CN220137294U - Distribution network overhead line defect detection sensing device based on electromagnetic field induction technology - Google Patents
Distribution network overhead line defect detection sensing device based on electromagnetic field induction technology Download PDFInfo
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- 230000005672 electromagnetic field Effects 0.000 title claims abstract description 47
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- 230000006698 induction Effects 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 81
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000009529 body temperature measurement Methods 0.000 claims description 11
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Abstract
The utility model relates to a distribution network overhead line defect detection sensing device based on an electromagnetic field induction technology, and belongs to the technical field of distribution network defect detection. The device comprises a radio frequency electromagnetic detection unit, a communication unit, a laser ranging unit, a monitoring machine body, a monitoring display unit, a charging unit, a function key and an image acquisition unit; the radio frequency electromagnetic detection unit can detect the electromagnetic field intensity of the circuit when detecting the circuit, the laser ranging unit can accurately measure the distance from the monitoring organism to the detection position, the electromagnetic field monitoring data size is inversely proportional to the monitoring distance, the electromagnetic field quantities at different positions can be accurately measured, the electromagnetic field quantities at different positions of the circuit are detected when the fault circuit is patrolled and examined, the detected data and the basic comparison data are automatically compared, and when the comparison result is abnormal, the fault or hidden danger point can be judged, and the fault point of the circuit can be accurately found.
Description
Technical Field
The utility model belongs to the technical field of distribution network defect detection, and particularly relates to a distribution network overhead line defect detection sensing device based on an electromagnetic field induction technology.
Background
With the development of urban, distribution network overhead lines are gradually increased year by year, and because distribution lines are outdoor and affected by wind, sun and geological changes, certain fault hidden dangers exist in distribution facilities, such as arc grounding problems caused by internal cracking of insulators and lightning arresters in distribution network equipment, high-resistance grounding problems are caused by the fact that trees are close to electrified lines, and the like, the characteristic quantity of the problems is quite unobvious, the influence of environmental factors is caused by adopting an ultrasonic detection mode, whether the problems exist or not cannot be judged qualitatively, and fault points cannot be detected accurately. The traditional infrared and ultraviolet temperature measuring equipment can identify the temperature change of a discharge position, but a plurality of hidden faults have small temperature change, and in the temperature range of 1-2 ℃, the faults cannot be accurately and qualitatively judged due to the problems of the station positions and the test distances of testers, and once faults occur, a plurality of groups of operation and maintenance staff are required for fault investigation, and the long-time power failure caused by the faults brings great obstruction to the reliability of a power supply office and the customer satisfaction degree. In order to solve the problems, the utility model provides the detection and sensing device for the operation defects of the distribution network overhead line based on the electromagnetic field induction technology, which can qualitatively detect the hidden danger of the distribution network line, process the hidden danger in time and avoid huge loss caused by the hidden danger after faults.
Disclosure of Invention
In order to overcome the problems in the background art, the utility model provides a detection sensing device for the operation defects of a distribution network overhead line based on an electromagnetic field induction technology. The radio frequency electromagnetic detection unit can detect the electromagnetic field intensity of the circuit when the circuit is detected, the laser ranging unit can accurately measure the distance from the monitoring machine body to the detection position, the electromagnetic field monitoring data size is inversely proportional to the monitoring distance, the electromagnetic field quantities at different positions can be accurately measured, the electromagnetic field quantities at different positions of the circuit can be detected when the fault circuit is inspected, the detected data and the basic comparison data are automatically compared, and when the comparison result is abnormal, the position can be judged to be a fault or hidden trouble point, and the fault point of the circuit can be accurately found out.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the detecting and sensing device for the defects of the network-allocated overhead line based on the electromagnetic field induction technology comprises a radio frequency electromagnetic detecting unit 100, a communication unit 101, a laser ranging unit 200, a monitoring machine body 300, a monitoring display unit 301, a charging unit 302, a function key 303 and an image acquisition unit 304, wherein the monitoring machine body 300 is a flat plate type machine body, a data processor 305 is arranged in the monitoring machine body 300, the radio frequency electromagnetic detecting unit 100, the communication unit 101, the laser ranging unit 200, the monitoring display unit 301, the charging unit 302, the function key 303 and the image acquisition unit 304 are all arranged on the monitoring machine body 300, the radio frequency electromagnetic detecting unit 100 is connected with the data processor 305 through the communication unit 101, and the laser ranging unit 200, the monitoring display unit 301, the charging unit 302, the function key 303 and the image acquisition unit 304 are all connected with the data processor 305.
Further, the rf electromagnetic detecting unit 100 includes an electric field monitoring sensor and a magnetic field monitoring sensor, which are installed on the top of the monitor body 300, and are connected with the data processor 305 through the communication unit 101.
Further, the laser ranging unit 200 includes a laser ranging sensor, which is installed on the top of the monitor body 300 and is connected to the data processor 305.
Further, the monitoring display unit 301 includes a liquid crystal display, the laser ranging sensor is installed on the front side of the monitoring body 300, and the liquid crystal display is connected with the data processor 305.
Further, the image acquisition unit 304 includes a high-definition camera and an infrared temperature measurement camera, the high-definition camera and the infrared temperature measurement camera are installed at the front side of the monitoring machine body 300, and the high-definition camera and the infrared temperature measurement camera are connected with the data processor 305.
Further, the communication unit 101 includes a communication connector, one end of the communication connector is connected to the rf electromagnetic detection unit 100, and the other end of the communication connector is connected to the data processor 305.
Further, the charging unit 302 includes a battery and a charging port, the battery is disposed in the monitoring body 300, the charging port is disposed at the front side of the monitoring body 300, the charging port is connected with the battery, and the battery is powered by the radio frequency electromagnetic detecting unit 100, the communication unit 101, the laser ranging unit 200, the monitoring display unit 301, the charging unit 302, the image collecting unit 304 and the data processor 305.
The data processor 305 includes a data storage unit, and the data storage unit is connected to the data processor 305.
Further, the monitoring body 300 is provided with a housing for protecting the monitoring body 300.
The utility model has the beneficial effects that:
the radio frequency electromagnetic detection unit can acquire line electromagnetic field intensity data, the laser ranging unit acquires distance data from equipment to a detection part, the two types of data are collected to a monitoring machine body, a data processor stores and analyzes the data, the size of electromagnetic field monitoring data is inversely proportional to the monitoring distance, the electromagnetic field monitoring data and the monitoring distance are matched with each other to accurately test electromagnetic field quantities of different positions of a line, the electromagnetic field quantities of the same distribution network line are in a certain range, if hidden danger or fault occurs at a certain point, the electric field and the magnetic field change by multiple times, and the hidden danger or fault point can be accurately judged through data change comparison; the utility model provides a professional detection means for the distribution network line inspection personnel, can discover different hidden dangers of the distribution network line in advance, provides scientific data support for subsequent defect elimination work, and can improve the distribution network line inspection efficiency, thereby improving the power supply reliability.
Drawings
Fig. 1 is a schematic front view of the structure of the present utility model.
Fig. 2 is a schematic top view of the present utility model.
Fig. 3 is a schematic side view of the present utility model.
Fig. 4 is a schematic diagram of the control flow of the present utility model.
Reference numerals: in the figure, a radio frequency electromagnetic detection unit 100, a communication unit 101, a laser ranging unit 200, a monitoring machine body 300, a monitoring display unit 301, a charging unit 302, a function key 303, an image acquisition unit 304 and a data processor 305 are included.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
As shown in fig. 1-4, the utility model discloses a distribution network overhead line defect detection sensing device based on an electromagnetic field induction technology, the distribution network overhead line defect detection sensing device based on the electromagnetic field induction technology comprises a radio frequency electromagnetic detection unit 100, a communication unit 101, a laser ranging unit 200, a monitoring machine body 300, a monitoring display unit 301, a charging unit 302, a function key 303 and an image acquisition unit 304, wherein the monitoring machine body 300 is a flat plate type machine body, a data processor 305 is arranged in the monitoring machine body 300, the radio frequency electromagnetic detection unit 100, the communication unit 101, the laser ranging unit 200, the monitoring display unit 301, the charging unit 302, the function key 303 and the image acquisition unit 304 are all arranged on the monitoring machine body 300, the radio frequency electromagnetic detection unit 100 is connected with the data processor 305 through the communication unit 101, and the laser ranging unit 200, the monitoring display unit 301, the charging unit 302, the function key 303 and the image acquisition unit 304 are all connected with the data processor 305; when a line is detected, a monitoring machine body is opened, the radio frequency electromagnetic detection unit can detect the electromagnetic field intensity of the line, the electromagnetic field intensity data is sent to the data processor through the communication unit for data processing, the laser ranging unit can accurately measure the distance from the monitoring machine body to the detection position, the electromagnetic field monitoring data size is inversely proportional to the monitoring distance, electromagnetic field quantities at different positions can be accurately measured, firstly, different positions of a fault-free distribution network line are selected for detection, the electromagnetic field data are obtained and used as basic comparison data, then a fault circuit is inspected, the electromagnetic field quantities at different positions of the line are detected in the inspection process, the detected data are automatically compared with the basic comparison data, if the real-time detected data are compared with the basic comparison data, the fault or hidden danger point can be judged, when the fault point is detected, the data processor controls the image acquisition unit to shoot the line condition at the position, the shot image is analyzed and stored, and detailed data information can be provided for operation and maintenance personnel for carrying out subsequent fault elimination processing.
The rf electromagnetic detecting unit 100 includes an electric field monitoring sensor and a magnetic field monitoring sensor, which are installed at the top of the monitoring body 300 and are connected with the data processor 305 through the communication unit 101; the measuring range of the electric field monitoring sensor is 0.2V/m-680V/m, and the measuring range of the magnetic field monitoring sensor is 1 mA/m-10A/m, so that the electric field data and the magnetic field data of the detection position can be accurately measured, and the accuracy of the detection data is ensured.
The laser ranging unit 200 includes a laser ranging sensor, which is mounted on the top of the monitoring body 300 and is connected with the data processor 305.
The monitoring display unit 301 comprises a liquid crystal display screen, the laser ranging sensor is installed on the front side of the monitoring machine body 300, and the liquid crystal display screen is connected with the data processor 305; the measuring distance of the laser ranging sensor is longer, the error is smaller, the distance from the detecting machine body to the detecting line can be accurately measured, and electromagnetic field quantities at different positions of the line can be accurately tested in cooperation with the electric field monitoring sensor and the magnetic field monitoring sensor so as to find out fault points.
The image acquisition unit 304 comprises a high-definition camera and an infrared temperature measurement camera, the high-definition camera and the infrared temperature measurement camera are installed on the front side of the monitoring machine body 300, and the high-definition camera and the infrared temperature measurement camera are connected with the data processor 305; when the comparison result of the measured data and the basic comparison result exceeds more than 5 times, the measured position is judged to be a fault point, at the moment, the data processor controls the line condition of the position of the image acquisition unit to shoot, the high-definition camera can shoot a high-definition image of the line, the infrared temperature measurement camera can shoot a temperature image of the line, and the high-definition camera and the infrared temperature measurement camera send the shot image to the data processor to be analyzed and processed, so that data support is provided for follow-up defect elimination work.
The communication unit 101 comprises a communication connector, one end of the communication connector is connected with the radio frequency electromagnetic detection unit 100, and the other end of the communication connector is connected with the data processor 305; the radio frequency electromagnetic detection unit can detect the electromagnetic field intensity of the circuit and send the electromagnetic field intensity data to the data processor for data processing through the communication connector.
The charging unit 302 comprises a battery and a charging port, the battery is arranged in the monitoring machine body 300, the charging port is arranged at the front side of the monitoring machine body 300, the charging port is connected with the battery, and the battery is powered by the radio frequency electromagnetic detection unit 100, the communication unit 101, the laser ranging unit 200, the monitoring display unit 301, the charging unit 302, the image acquisition unit 304 and the data processor 305; the battery can supply power for each unit, and is used after charging, so that the carrying and the use of the monitoring machine body are facilitated.
The data processor 305 includes a data storage unit, and the data storage unit is connected to the data processor 305; the data storage unit can store various data, and can view the data when the follow-up defect is eliminated or other needs exist, so as to provide data support for the follow-up work.
The monitoring machine body 300 is provided with a shell which can protect the monitoring machine body 300; the shell can be dustproof, waterproof and anti-falling, so that the monitoring machine body can be protected and the damage to the machine body can be avoided.
The working process comprises the following steps:
the working principle of the utility model is as follows: when a line is detected, the monitoring machine body 300 is opened, the radio frequency electromagnetic detection unit 100 can detect the electromagnetic field intensity of the line, the electromagnetic field intensity data is sent to the data processor 305 through the communication unit for data processing, the laser ranging unit 200 can accurately measure the distance from the monitoring machine body 300 to the detection position, the electromagnetic field monitoring data size is inversely proportional to the monitoring distance, electromagnetic field quantities at different positions can be accurately measured, firstly, different positions of a fault-free distribution network line are selected for detection, electromagnetic field data are obtained and used as basic comparison data, then a fault circuit is inspected, the electromagnetic field quantities at different positions of the line are detected in the inspection process, the detected data are automatically compared with the basic comparison data, if the real-time detected data exceeds 5 times of the basic comparison result, the position is judged to be a fault or hidden trouble point, and when the fault point is detected, the data processor 305 controls the image acquisition unit 304 to shoot the line condition at the position, the shot image is analyzed and stored, and detailed data information can be provided for operation and maintenance personnel for subsequent elimination processing.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides a join in marriage network overhead line defect detection perception device based on electromagnetic field induction technique which characterized in that: the utility model provides a join in marriage network overhead line defect detection sensing device based on electromagnetic field induction technique include radio frequency electromagnetic detection unit (100), communication unit (101), laser rangefinder unit (200), monitor organism (300), monitor display element (301), charging unit (302), function button (303), image acquisition unit (304), monitor organism (300) be the flat organism, monitor organism (300) in be equipped with data processor (305), radio frequency electromagnetic detection unit (100), communication unit (101), laser rangefinder unit (200), monitor display element (301), charging unit (302), function button (303), image acquisition unit (304) all install on monitor organism (300), radio frequency electromagnetic detection unit (100) be connected with data processor (305) through communication unit (101), laser rangefinder unit (200), monitor display element (301), charging unit (302), function button (303), image acquisition unit (304) all be connected with data processor (305).
2. The electromagnetic field induction technology-based distribution network overhead line defect detection sensing device as claimed in claim 1, wherein: the radio frequency electromagnetic detection unit (100) comprises an electric field monitoring sensor and a magnetic field monitoring sensor, wherein the electric field monitoring sensor and the magnetic field monitoring sensor are arranged at the top of the monitoring machine body (300), and the electric field monitoring sensor and the magnetic field monitoring sensor are connected with the data processor (305) through the communication unit (101).
3. The electromagnetic field induction technology-based distribution network overhead line defect detection sensing device as claimed in claim 2, wherein: the laser ranging unit (200) comprises a laser ranging sensor, the laser ranging sensor is arranged at the top of the monitoring machine body (300), and the laser ranging sensor is connected with the data processor (305).
4. A distribution network overhead line defect detection sensing device based on electromagnetic field induction technology as claimed in claim 3, wherein: the monitoring display unit (301) comprises a liquid crystal display screen, the laser ranging sensor is arranged on the front side of the monitoring machine body (300), and the liquid crystal display screen is connected with the data processor (305).
5. The distribution network overhead line defect detection sensing device based on the electromagnetic field induction technology as claimed in any one of claims 1-4, wherein: the image acquisition unit (304) comprises a high-definition camera and an infrared temperature measurement camera, the high-definition camera and the infrared temperature measurement camera are installed on the front side of the monitoring machine body (300), and the high-definition camera and the infrared temperature measurement camera are connected with the data processor (305).
6. The distribution network overhead line defect detection sensing device based on the electromagnetic field induction technology as claimed in any one of claims 1-4, wherein: the communication unit (101) comprises a communication connector, one end of the communication connector is connected with the radio frequency electromagnetic detection unit (100), and the other end of the communication connector is connected with the data processor (305).
7. The distribution network overhead line defect detection sensing device based on the electromagnetic field induction technology as claimed in any one of claims 1-4, wherein: the charging unit (302) comprises a battery and a charging port, the battery is arranged in the monitoring machine body (300), the charging port is arranged at the front side of the monitoring machine body (300), the charging port is connected with the battery, and the battery is powered by the radio frequency electromagnetic detection unit (100), the communication unit (101), the laser ranging unit (200), the monitoring display unit (301), the charging unit (302), the image acquisition unit (304) and the data processor (305).
8. The distribution network overhead line defect detection sensing device based on the electromagnetic field induction technology as claimed in any one of claims 1-4, wherein: the data processor (305) comprises a data storage unit, and the data storage unit is connected with the data processor (305).
9. The distribution network overhead line defect detection sensing device based on the electromagnetic field induction technology as claimed in any one of claims 1-4, wherein: the monitoring machine body (300) is provided with a shell capable of protecting the monitoring machine body (300).
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| CN202321487068.8U CN220137294U (en) | 2023-06-12 | 2023-06-12 | Distribution network overhead line defect detection sensing device based on electromagnetic field induction technology |
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| CN202321487068.8U CN220137294U (en) | 2023-06-12 | 2023-06-12 | Distribution network overhead line defect detection sensing device based on electromagnetic field induction technology |
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