CN219434973U - Unmanned aerial vehicle airborne partial discharge ultrasonic detection device - Google Patents

Abstract

The utility model discloses an unmanned aerial vehicle-mounted partial discharge ultrasonic detection device, which relates to the technical field of partial discharge detection and comprises an unmanned aerial vehicle standard expansion interface used for being connected with an unmanned aerial vehicle, wherein the lower end of the unmanned aerial vehicle standard expansion interface is fixedly connected with an intelligent cradle head, the lower end of the intelligent cradle head is fixedly connected with a control box used for signal transmission with a controller in the unmanned aerial vehicle, the upper end of the control box is provided with a sensor group used for collecting noise, the front end of the control box is fixedly connected with a mounting ring, the center of the mounting ring is provided with an ultrasonic sensor interface, and the inner side surface of the mounting ring is fixedly connected with an ultrasonic conical wave collector. According to the utility model, by arranging the sensor group, interference signals generated by the unmanned aerial vehicle body and the environment can be better identified, and meanwhile, the angle adjustment of the ultrasonic conical wave collector by the intelligent cradle head is matched, so that the measurement result can be more accurate.

Description

Unmanned aerial vehicle airborne partial discharge ultrasonic detection device

Technical Field

The utility model relates to the technical field of partial discharge detection, in particular to an onboard partial discharge ultrasonic detection device of an unmanned aerial vehicle.

Background

With the development of economy and population increase of China, the number of generating sets is continuously increased, the number of power transmission and transformation projects is also increased, the number of times of faults caused by the influence of weather and environment (such as wind, lightning stroke, pollution, ice and snow) is also increased, in the process of running a line, if abnormal heating or abnormal temperature phenomenon occurs due to the action of current and voltage in the process of running the line, the continuous overheating can cause the ageing of equipment insulating materials, thereby generating partial discharge, the partial discharge can damage the insulativity of an overhead line and even cause complete loss of the overhead line, thereby causing faults of the line, causing serious power failure accidents and even endangering life and property safety, and in order to ensure the safety and quality of the operation of the overhead line and ensure the reliability of the power grid, the inspection of the distribution line is the main work of related professional daily operation and maintenance management.

The overhead line has wide coverage area and complex traversing terrain, the former manual regular inspection requires a large amount of manpower and material resources and deals with complex terrain or extreme weather, so that the overhead line is long in time consumption and low in efficiency, even serious potential safety hazards exist in some terrains and environments, and therefore, with the continuous sinking of the rotor unmanned aerial vehicle technology, the development of the unmanned aerial vehicle technology provides a new platform and thought for the inspection of the overhead line.

In China, patent application number: CN201810522322.0 discloses a portable partial discharge detector based on ultrasonic waves, which comprises an ultrasonic wave acquisition device and a host, wherein the ultrasonic wave acquisition device is connected with a fixing frame through a rotating shaft, and the rotating shaft is driven to rotate by a motor; the ultrasonic wave acquisition equipment comprises an ultrasonic wave acquisition circuit and is used for acquiring ultrasonic wave signals. Although the partial discharge detector can be mounted on a mobile carrier to perform detection in a large scale, the detection efficiency can be greatly improved, but the partial discharge detector cannot filter noise generated by the environment and the mobile carrier.

Therefore, it is necessary to provide an onboard partial discharge ultrasonic detection device for an unmanned aerial vehicle to solve the above problems.

Disclosure of Invention

(one) solving the technical problems

The utility model aims at: in order to solve the problem that noise generated by the environment and a mobile carrier cannot be filtered, the utility model provides an airborne partial discharge ultrasonic detection device of an unmanned aerial vehicle.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides an on-vehicle partial discharge ultrasonic detection device of unmanned aerial vehicle, is including being used for the unmanned aerial vehicle standard expansion interface of being connected with unmanned aerial vehicle, unmanned aerial vehicle standard expansion interface's lower extreme fixedly connected with intelligent cloud platform, intelligent cloud platform's lower extreme fixedly connected with is used for the control box with unmanned aerial vehicle internal control ware signal transmission, the upper end of control box is provided with the sensor group that is used for gathering the noise, the front end fixedly connected with collar of control box, the ultrasonic sensor interface has been seted up at the center of collar, the conical wave collector of medial surface fixedly connected with supersound of collar, the center of the conical wave collector of supersound is provided with the fourth ultrasonic sensor with ultrasonic sensor interface connection, electric connection between ultrasonic sensor interface and the control box.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up the sensor group, the interference signal that discernment unmanned aerial vehicle body that can be better and environment produced goes on, cooperates intelligent cloud platform simultaneously to the angle modulation of supersound conical wave collector, can make measuring result more accurate.

Further, the control box comprises a bottom shell, a mounting plate, a main control board and a cover plate, wherein the cover plate is fixedly connected to the opening of the bottom shell, the bottom shell is fixedly connected to the lower end of the intelligent cradle head, the main control board is mounted on the mounting plate through screws, the mounting plate is mounted in the bottom shell through screws, and the main control board is used for processing ultrasonic signals and transmitting or receiving signals transmitted by the unmanned aerial vehicle to a controller in the unmanned aerial vehicle.

Further, the sensor group comprises a first ultrasonic sensor, a second ultrasonic sensor and a third ultrasonic sensor, wherein the first ultrasonic sensor and the second ultrasonic sensor are respectively and fixedly connected in two vertex angles at the upper end of the cover plate, and the third ultrasonic sensor is fixedly connected in the vertex angle at the rear end of the bottom shell.

Further, the sensor group and the fourth sensor are connected with the main control board.

In a word, adopt ultrasonic wave method to measure partial discharge, cooperation rotor unmanned aerial vehicle can easily realize overhead line's inspection, compares in traditional artifical inspection, and the ultrasonic wave partial discharge inspection appearance based on unmanned aerial vehicle is not restricted by the topography, receives less by the influence of weather, can effectually promote the benefit.

Drawings

Fig. 1 is a perspective exploded view of the structure of the present utility model.

Reference numerals: 1. an unmanned aerial vehicle standard expansion interface; 2. a bottom case; 3. a mounting plate; 4. a main control board; 5. a cover plate; 6. a first ultrasonic sensor; 7. an ultrasonic sensor interface; 8. an ultrasonic conical wave collector; 9. a second ultrasonic sensor; 10. an intelligent cradle head; 11. and a third ultrasonic sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an ultrasonic detection device for partial discharge on-board an unmanned aerial vehicle comprises an unmanned aerial vehicle standard expansion interface 1 for connection with the unmanned aerial vehicle, wherein the unmanned aerial vehicle can remotely control the unmanned aerial vehicle at the most, can easily cross complex terrains during inspection, can inspect an overhead line without being interfered by the terrains, is defined in fig. 1 of the specification, the direction of the reference numeral 1 is the upper end, the position of the reference numeral 8 is the front end, the position of the reference numeral 11 is the rear end, the lower end of the unmanned aerial vehicle standard expansion interface 1 is fixedly connected with an intelligent tripod head 10, the lower end of the intelligent tripod head 10 is fixedly connected with a control box for signal transmission with a controller in the unmanned aerial vehicle, the upper end of the control box is provided with a sensor group for collecting noise, the front end of the control box is fixedly connected with a mounting ring, the center of the installation ring is provided with an ultrasonic sensor interface 7, the inner side surface of the installation ring is fixedly connected with an ultrasonic conical wave collector 8, the center of the ultrasonic conical wave collector 8 is provided with a fourth ultrasonic sensor connected with the ultrasonic sensor interface 7, the ultrasonic sensor interface 7 is electrically connected with the control box, the sensor group comprises a first ultrasonic sensor 6, a second ultrasonic sensor 9 and a third ultrasonic sensor 11, the first ultrasonic sensor 6 and the second ultrasonic sensor 9 are respectively and fixedly connected in two top angles at the upper end of the cover plate 5, the third ultrasonic sensor 11 is fixedly connected in the top angle at the rear end of the bottom shell 2, the intelligent cradle head 10 can horizontally and vertically rotate, the ultrasonic conical wave collector 8 can aim at sensing ultrasonic signals in a large range, and the sensor group and the fourth sensor are connected with the main control plate.

In this embodiment, when the installation, be connected unmanned aerial vehicle standard expansion interface 1 with unmanned aerial vehicle, cooperation unmanned aerial vehicle carries out overhead line's inspection, use remote control device to control unmanned aerial vehicle inspection in-process by people, through setting up first ultrasonic sensor 6, second ultrasonic sensor 9 and third ultrasonic sensor 11, can gather unmanned aerial vehicle body and the interference signal that the environment produced, in the transfer to the control box, after information processing, then the control box gives unmanned aerial vehicle internal controller with signal transmission, the people controls remote control device and sends the adjustment instruction, make the angle of control box is adjusted to controller control intelligent cloud platform 10, and then adjust the angle of ultrasonic cone-shaped wave collector 8, make the probe position of fourth ultrasonic sensor cooperation unmanned aerial vehicle adjustment regulation measurement partial discharge, the course is simple effective.

Specifically, the control box comprises a bottom shell 2, a mounting plate 3, a main control board 4 and a cover plate 5, wherein the cover plate 5 is fixedly connected to the opening of the bottom shell 2, the bottom shell 2 is fixedly connected to the lower end of an intelligent cradle head 10, the main control board 4 is mounted on the mounting plate 3 through screws, the mounting plate 3 is mounted in the bottom shell 2 through screws, the main control board 4 is used for processing ultrasonic signals and transmitting or receiving signals transmitted by the unmanned aerial vehicle to a controller in the unmanned aerial vehicle, the main control board 4 is used for transmitting signals with the controller in the unmanned aerial vehicle, the main control board 4 internally comprises a signal amplifying circuit, a filter circuit and a high-speed sampling circuit, ultrasonic signals enter a singlechip through the signal amplifying circuit, the filter circuit and the high-speed sampling circuit, the singlechip performs corresponding signal processing and transmits required data to the unmanned aerial vehicle through a network port, the unmanned aerial vehicle transmits data to the remote controller again, display the required atlas or real-time data on the remote controller, wherein amplifying circuit, filter circuit and high-speed sampling circuit are conventional circuit, the course of operation is the opening orientation of the conical wave collector of supersound 8 by the check out test set for receive the ultrasonic wave of check out test set, because the characteristic of sound wave conductivity, the noise that the unmanned aerial vehicle sent and the noise of surrounding equipment can be gathered to the fourth ultrasonic sensor of conical wave collector of supersound 8, the noise that the three ultrasonic sensor that sets up on apron 5 mainly is the noise that gathers environment and unmanned aerial vehicle equipment and produces, after the ultrasonic signal of gathering is amplified by signal amplifying circuit, the signal that three ultrasonic sensor gathered on the filter circuit filtering apron.

Specifically, the ultrasonic conical wave collector 8 is coated with a sound absorbing material, so that interference signals generated by the unmanned aerial vehicle can be effectively reduced.

The present utility model is not limited to the preferred embodiments, but the patent protection scope of the utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings are included in the scope of the utility model.

Claims (4)

1. The utility model provides an on-board partial discharge ultrasonic detection device of unmanned aerial vehicle, is including being used for the unmanned aerial vehicle standard expansion interface of being connected with unmanned aerial vehicle, its characterized in that: the intelligent cloud platform is characterized in that the lower end of the standard expansion interface of the unmanned aerial vehicle is fixedly connected with the intelligent cloud platform, the lower end of the intelligent cloud platform is fixedly connected with a control box for signal transmission with an internal controller of the unmanned aerial vehicle, the upper end of the control box is provided with a sensor group for collecting noise, the front end of the control box is fixedly connected with a mounting ring, the center of the mounting ring is provided with an ultrasonic sensor interface, the inner side surface of the mounting ring is fixedly connected with an ultrasonic conical wave collector, the center of the ultrasonic conical wave collector is provided with a fourth ultrasonic sensor connected with the ultrasonic sensor interface, and the ultrasonic sensor interface is electrically connected with the control box.

2. The unmanned aerial vehicle-mounted partial discharge ultrasonic detection device according to claim 1, wherein: the control box comprises a bottom shell, a mounting plate, a main control board and a cover plate, wherein the cover plate is fixedly connected to the opening of the bottom shell, the bottom shell is fixedly connected to the lower end of the intelligent cradle head, the main control board is mounted on the mounting plate through screws, the mounting plate is mounted in the bottom shell through screws, and the main control board is used for processing ultrasonic signals and transmitting or receiving signals transmitted by the unmanned aerial vehicle to a controller in the unmanned aerial vehicle.

3. The unmanned aerial vehicle-mounted partial discharge ultrasonic detection device according to claim 2, wherein: the sensor group comprises a first ultrasonic sensor, a second ultrasonic sensor and a third ultrasonic sensor, wherein the first ultrasonic sensor and the second ultrasonic sensor are respectively and fixedly connected in two vertex angles at the upper end of the cover plate, and the third ultrasonic sensor is fixedly connected in the vertex angle at the rear end of the bottom shell.

4. A partial discharge ultrasonic testing device on board an unmanned aerial vehicle according to claim 3, wherein: and the sensor group and the fourth sensor are connected with the main control board.