阅读说明：本技术 一种无人机风机叶片检测及故障分析装置及电流检测方法 (Unmanned aerial vehicle fan blade detection and fault analysis device and current detection method ) 是由 李壮 赵奇 尤飞 于 2021-04-09 设计创作，主要内容包括：一种无人机风机叶片检测及故障分析装置及电流检测方法,属于人工智能及光伏电站运维检测技术领域。风机的支撑柱连接风机头装置,风机头装置的电机的主轴通过轴承连接风机风叶,风机风叶有3只叶片,3只叶片的顶部、中部及底部分别连接第一避雷装置、第二避雷装置及第三避雷装置,第一避雷装置、第二避雷装置及第三避雷装置分别连接导线。本发明的优点是利用无人机就可以实现导通测量。(An unmanned aerial vehicle fan blade detection and fault analysis device and a current detection method belong to the technical field of artificial intelligence and photovoltaic power station operation and maintenance detection. The support column of fan connects fan head device, and the main shaft of the motor of fan head device passes through the bearing and connects the fan blade, and the fan blade has 3 blades, and first lightning arrester, second lightning arrester and third lightning arrester are connected respectively to the top, middle part and the bottom of 3 blades, and first lightning arrester, second lightning arrester and third lightning arrester are connected the wire respectively. The invention has the advantage that the conduction measurement can be realized by utilizing the unmanned aerial vehicle.)

1. The utility model provides an unmanned aerial vehicle fan blade detects and fault analysis device, the support column of its characterized in that fan connects fan head device, and the main shaft of the motor of fan head device passes through the bearing and connects the fan blade, and the fan blade has 3 blades, and first lightning arrester, second lightning arrester and third lightning arrester are connected respectively to the top, middle part and the bottom of 3 blades, and first lightning arrester, second lightning arrester and third lightning arrester are connecting wire respectively.

2. The method for detecting the fan blade and analyzing the fault of the unmanned aerial vehicle by current is characterized by comprising the following steps of: the unmanned aerial vehicle carries direct current, the flight angle of the unmanned aerial vehicle and a rotating blade of a fan reaches the horizontal position (the horizontal position of a rotating shaft), the fan rotates to generate a magnetic field, the unmanned aerial vehicle cuts magnetic lines of force by itself, both sides generate electromagnetism, the unmanned aerial vehicle rotates in the opposite direction of the fan to generate negative electromagnetism, the magnetic lines of force are cut, and complementary current is generated; when the current value is in a set interval and is higher than the current pulse generated by the rotation of the fan, the current detection device of the fan provides a current leading-out channel per se, the lightning protection system of the fan is conducted by utilizing the current leading-out channel, the current is led into the ground, and the alarm system of the fan receives voltage and current data.

Technical Field

The invention relates to an unmanned aerial vehicle fan blade detection and fault analysis device and a current detection method, and belongs to the technical field of artificial intelligence and photovoltaic power station operation and maintenance detection.

Background

With the support and the excitation of new energy field policies of the country in recent years, wind power energy becomes more severe, the wind power construction in coastal areas of China is more fierce, the carbon neutralization of the country and the development of new energy are achieved, the development project of new energy is vigorously built in the whole country at present, the difficulty of operation and maintenance is caused, and the operation and maintenance personnel work high above the ground, the investigation is inaccurate, and many fault hidden dangers are brought.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a device for detecting a fan blade of an unmanned aerial vehicle and analyzing faults and a current detection method.

The utility model provides an unmanned aerial vehicle fan blade detects and fault analysis device, the support column of fan connects fan head device, and the main shaft of the motor of fan head device passes through the bearing and connects the fan blade, and the fan blade has 3 blades, and first lightning arrester, second lightning arrester and third lightning arrester are connected respectively to the top, middle part and the bottom of 3 blades, and first lightning arrester, second lightning arrester and third lightning arrester connect the wire respectively.

An unmanned aerial vehicle fan blade detection and fault analysis current detection method comprises the following steps: the unmanned aerial vehicle carries direct current, the flight angle of the unmanned aerial vehicle and a rotating blade of a fan reaches the horizontal position (the horizontal position of a rotating shaft), the fan rotates to generate a magnetic field, the unmanned aerial vehicle cuts magnetic lines of force by itself, both sides generate electromagnetism, the unmanned aerial vehicle rotates in the opposite direction of the fan to generate negative electromagnetism, the magnetic lines of force are cut, and complementary current is generated; when the current value is in a set interval and is higher than the current pulse generated by the rotation of the fan, the current detection device of the fan provides a current leading-out channel per se, the lightning protection system of the fan is conducted by utilizing the current leading-out channel, the current is led into the ground, and the alarm system of the fan receives voltage and current data.

The invention has the advantages that the existing manual detection is solved, and the existing detection mode is that a conductor is manually additionally arranged on a lightning receptor on a fan blade, and then the conductor is guided to the ground for measurement. The invention can realize integral conduction measurement by utilizing the unmanned aerial vehicle.

Drawings

A more complete appreciation of the invention and many of the attendant advantages thereof will be readily obtained as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein the accompanying drawings are included to provide a further understanding of the invention and form a part of this specification, and wherein the illustrated embodiments of the invention and the description thereof are intended to illustrate and not limit the invention, as illustrated in the accompanying drawings, in which:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of a fan blade structure of the fan of the present invention.

The invention is further illustrated with reference to the following figures and examples.

Detailed Description

It will be apparent that those skilled in the art can make many modifications and variations based on the spirit of the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description, "plurality" means two or more unless specifically limited otherwise.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood by those skilled in the art that, unless otherwise defined, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art.

Example 1: as shown in fig. 1 and 2, the unmanned aerial vehicle fan blade detection and fault analysis device detects the rotation rule of the fan blade and the lightning protection function of the blade through the unmanned aerial vehicle.

The utility model provides an unmanned aerial vehicle fan blade detects and failure analysis device, fan head device is connected to 3 support columns of fan, fan head device's 1 main shaft of motor passes through bearing 2 and connects fan blade 4, fan blade 4 has 3 blades, the top of 3 blades, first lightning arrester 6 is connected respectively to middle part and bottom, second lightning arrester 7 and third lightning arrester 8, first lightning arrester 6, second lightning arrester 7 and third lightning arrester 8 are connecting wire 5 respectively.

Example 2: as shown in fig. 1 and 2, a fan blade detection and fault analysis device for an unmanned aerial vehicle is basically a first lightning arrester 6, a second lightning arrester 7 and a third lightning arrester 8, which are respectively distributed on the blade tip, the blade leaf and the blade tail of the blade, wherein the first lightning arrester 6, the second lightning arrester 7 and the third lightning arrester are connected through a fan wire, and then are communicated with a lightning protection network of a fan main body through a rotating mechanism (carbon brush or motor connection) of the fan, so that the transmission ground is conducted.

The composition of the loop is: the electric current that unmanned aerial vehicle and fan produced through first lightning arrester 6, second lightning arrester 7 and third lightning arrester 8 on the blade, later through fan rolling bearing, fan stand, leading-in to subaerial current detection device, detect to have the electric current after, show that a whole set of system circuit switches on, the operation is normal. And the unmanned aerial vehicle is utilized to carry out current pulse active release detection, and whether a conductive system of the fan system is complete or not is monitored and detected.

The unmanned aerial vehicle carries direct current, and with fan rotating vane flight angle reach level (with rotation axis horizontal position), the fan rotation produces the magnetic field, self cutting magnetic line, both sides produce the electromagnetism, unmanned aerial vehicle rotates according to the fan opposite direction, produces the negative electromagnetism, cuts the magnetic line, produces complementary current.

When the current value is in the set interval and is higher than the current pulse generated by the rotation of the fan, the current detection device of the fan provides a current leading-out channel of the fan. By utilizing the channel, the lightning protection system is conducted, the ground is introduced, and the alarm system of the fan is used for receiving current and voltage data.

The lower end of the fan is laid with a 1.5 m grounding point, and the detection loop is complete. The current leading-out channel is composed of a lightning protection conducting circuit of the fan, and the current is led out by utilizing the circuit.

The current detection device can be understood as an ammeter for detecting that a weak current passes through.

The unmanned aerial vehicle that detects the return circuit and the electric current that the fan produced, through the arrester on the blade (first lightning arrester 6, second lightning arrester 7 and third lightning arrester 8), later through fan rolling bearing, the fan stand, leading-in subaerial current detection device that arrives, detect to have the electric current after, show that a whole set of system line switches on, the operation is normal.

As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the spirit and scope of the present invention. Therefore, such modifications are also all included in the scope of protection of the present invention.