Summary of the invention
The present invention provides a kind of wind generator set blade nondestructive detection system based on infrared thermal wave.
The present invention provides following schemes:
A kind of wind generator set blade nondestructive detection system based on infrared thermal wave, comprising:
Remotely-piloted vehicle, infrared thermal wave detection components and control assembly;The infrared thermal wave detection components and the remote control fly
Row device is connected;The remotely-piloted vehicle and the infrared thermal wave detection components can communicate with the control assembly be connected respectively;
The remotely-piloted vehicle is used to receive the flight control instruction that the control assembly is sent, to be controlled according to the flight
Instruction delivers the infrared thermal wave detection components to preset detection position;
When the infrared thermal wave detection components reach the check bit, to postpone the infrared thermal wave detection components described for receiving
The detection instruction starting infrared thermal wave detection function that control assembly is sent carries out the real-time thermal map of detection generation to fan blade and will
The real-time thermal map is sent to the control assembly;
The real-time thermal map that the control assembly is used to receive carries out data processing, image analysis so as to the blower
Type, position and the size of depth of blade surface defect judge.
Preferably: the infrared thermal wave detection components include thermal excitation module and thermal infrared imager detecting module, described
Thermal excitation module is used to provide the heat source of impulse form using high-energy flashlamp, and the thermal infrared imager detecting module is for real-time
Record fan blade surface temperature simultaneously forms the real-time thermal map.
Preferably: the control assembly includes thermal image analysis system, and the thermal image analysis system includes image forming
Analysis module and memory module, described image forming Analysis module are used to carry out data processing, image to the real-time thermal map
Analysis judges so as to type, position and the size to the fan blade depth surface defect.
Preferably: the control assembly includes flight control modules.
Preferably: the flight control modules include manual flight control modules and automatic flight control modules.
Preferably: laser radar module and GPS positioning module are connected on the remotely-piloted vehicle;The laser radar
Module is calculated for realizing to the distance between fan blade and remotely-piloted vehicle, and the GPS positioning module is for realizing described
The position of remotely-piloted vehicle positions.
Preferably: the remotely-piloted vehicle is propeller type unmanned plane.
Preferably: the remotely-piloted vehicle and the infrared thermal wave detection components pass through with the control assembly low respectively
The realization of frequency Wireless microwave signal transmission assembly can communicate connected.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
By the invention it is possible to a kind of wind generator set blade nondestructive detection system based on infrared thermal wave be realized, in one kind
Under implementation, which may include remotely-piloted vehicle, infrared thermal wave detection components and control assembly;The infrared thermal wave
Detection components are connected with the remotely-piloted vehicle;The remotely-piloted vehicle and the infrared thermal wave detection components respectively with it is described
Control assembly can communicate connected;The remotely-piloted vehicle is used to receive the flight control instruction that the control assembly is sent, so as to
The infrared thermal wave detection components are delivered to preset detection position according to the flight control instruction;When the infrared thermal wave
Detection components reach the check bit and postpone the detection that the infrared thermal wave detection components are sent for receiving the control assembly
Instruction starting infrared thermal wave detection function carries out the real-time thermal map of detection generation to fan blade and is sent to the real-time thermal map
The control assembly;The real-time thermal map of the control assembly for that will receive carry out data processing, image analysis so as to
Type, position and the size of the fan blade depth surface defect are judged.It is provided by the present application to be based on infrared heat
The wind generator set blade nondestructive detection system of wave, may be implemented the acquisition of the real-time heat map data of wind generator set blade,
Leaf image analysis is completed, type, position, the size of automatic discrimination depth of blade surface defect are wind generator set blade
Maintenance personal provides accurate, reliable data foundation.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Embodiment
It is a kind of wind power generating set leaf based on infrared thermal wave provided in an embodiment of the present invention referring to Fig. 1, Fig. 2, Fig. 3
Piece nondestructive detection system, as shown in Figure 1, Figure 2, Figure 3 shows, the system may include remotely-piloted vehicle 1, infrared thermal wave detection components 2
And control assembly 3;The infrared thermal wave detection components 2 are connected with the remotely-piloted vehicle 1;The remotely-piloted vehicle 1 and
The infrared thermal wave detection components 2 can be communicated with the control assembly 3 respectively to be connected;Specifically, the remotely-piloted vehicle and
The infrared thermal wave detection components can be communicated with the control assembly by the realization of low-frequency wireless microwave signal transmission component respectively
It is connected.
The remotely-piloted vehicle 1 is used to receive the flight control instruction that the control assembly is sent, to be flown according to described
Row control instruction delivers the infrared thermal wave detection components 2 to preset detection position;It is connected on the remotely-piloted vehicle 1
Laser radar module 11 and GPS positioning module 12;The laser radar module 11 flies for realizing to fan blade 4 and remote control
The measuring and calculating of the distance between row device 1, the GPS positioning module 12 position for realizing the position of the remotely-piloted vehicle 1.It is described distant
Controlling aircraft 1 can be propeller type unmanned plane.
When the infrared thermal wave detection components postpone the infrared thermal wave detection components 2 for connecing up to 2 to the check bit
It receives the detection instruction starting infrared thermal wave detection function that the control assembly 3 is sent and detection generation heat in real time is carried out to fan blade
Scheme and the real-time thermal map is sent to the control assembly 3;
The real-time thermal map that the control assembly 3 is used to receive carries out data processing, image analysis so as to the wind
Type, position and the size of machine depth of blade surface defect judge.
Further, the infrared thermal wave detection components 2 include thermal excitation module 21 and thermal infrared imager detecting module
22, the thermal excitation module 21 is used to provide the heat source of impulse form using high-energy flashlamp, and the thermal infrared imager detects mould
Block 22 is for recording fan blade surface temperature in real time and forming the real-time thermal map.The thermal excitation module may include irradiation light
Case, the irradiation lamp box rear center are equipped with light source, are equipped with light source channel and Fresnel Lenses, the irradiation light inside the irradiation lamp box
The head of case is equipped with camera lens;The exciting bank further includes function wave modulation module, is connect with light source, the function wave modulation module
Different types of function wave is generated to control the frequency, amplitude and phase of light source;The light that light source irradiates by light source channel into
Row is corrected for the first time, is irradiated on Fei Nier lens by the light behind light source channel, is carried out second to light and is corrected, by the
Light after second-order correction projects on camera lens, carries out third time amendment to light, finally obtains uniform hot spot.The infrared thermal imagery
Instrument detecting module may include infrared detector, connect infrared detector acquisition device, connect acquisition device CPU device and
Frame structure;The infrared detector, acquisition device and CPU device are set on frame structure;The acquisition device includes connecting
The A/D conversion circuit of infrared detector and the Acquisition Circuit of connection A/D conversion circuit are connect, which connects CPU device.
In order to facilitate control while realizing that controllers can observe the broken bad situation of blade at any time, the control assembly includes
Thermal image analysis system 31, the thermal image analysis system 31 include image forming analysis module and memory module, the figure
As forming Analysis module is used to carry out data processing, image analysis to the real-time thermal map so as to the fan blade depthmeter
Type, position and the size of planar defect judge.Further, the control assembly includes flight control modules 32, institute
Stating flight control modules includes manual flight control modules and automatic flight control modules.
Infrared thermal wave detection components are transported in the air by system provided by the present application using remotely-piloted vehicle, reach blower leaf
Piece position, then control assembly control infrared thermal wave detection components provide the heat of impulse form using high-energy flashlamp
Source, and fan blade surface temperature is recorded in real time, real-time thermal map is formed, which is transferred to by infrared thermal wave detection components
Control assembly, the thermal image analysis system that control assembly includes carry out data processing, image analysis to the real-time thermal map so as to right
Type, position and the size of the fan blade depth surface defect judge.
Infrared thermal wave detection components provided by the present application carry out active thermal load to detected object using external excitation heat source,
After detected object surface heat source encounters defect in heat transfer process, surface region generates corresponding temperature difference, to generate
Detectable hot difference phenomenon.The application motivates hot idea to carry out heat load detection using widely used flash lamp.?
It, can be in conjunction with heat wave theory of conduction, digital signal simultaneous techniques in solid, the quick Processing Algorithm of image when specifically being judged
Deng reflecting defect information by the amplitude and corresponding information that continuously become.Heat wave equation solution can in system provided by the present application
To carry out numerical solution in the way of Green function or finite element.
System provided by the present application may include ground flying control system, infrared thermal wave detection system, thermal image analysis
System, unmanned plane during flying platform.
Wherein, ground flying control system manipulates unmanned plane during flying according to instruction, starts infrared thermal wave detection system to wind
Machine blade is detected;Infrared thermal wave detection system provides the heat source of impulse form using high-energy flashlamp, and records wind in real time
Machine blade surface temperature, forms real-time thermal map;Thermal image analysis system to real-time thermal map carry out data processing, image analysis, from
Dynamic type, position, the size for differentiating depth of blade surface defect.
Ground flying control system includes manual flight operational module, automatic flight control modules, and user passes through manipulator
Flight operational module is moved to unmanned aerial vehicle flight directive, when unmanned plane approaches wind generator set blade, starts infrared heat
Wave detection system detects fan blade.Automatic flight control modules are embedded in the automatic flight algorithm of unmanned plane, and user makes
When with the function, " one-key start " mode is pressed, unmanned plane flies along setting wind generator set blade path, opens automatically
Dynamic infrared thermal wave detection system, meanwhile, the automatic flight control modules of unmanned plane can be according to laser radar module, GPS positioning module
The data passed back correct flight path and flying distance automatically, it is ensured that the accuracy of blade inspection.
Infrared thermal wave detection system includes thermal excitation module, thermal infrared imager detecting module.Ground flying control system to
Thermal excitation module and thermal infrared imager detecting module send open command simultaneously, and thermal excitation module starts high-energy flashlamp and provides arteries and veins
The heat source of form is rushed, thermal infrared imager detecting module records fan blade surface temperature in real time, forms real-time thermal map.
Specifically, thermal excitation module and thermal infrared imager detecting module are fixed on unmanned machine head.
Thermal image analysis system includes image forming analysis module, memory module.Image forming analysis module is receiving
After the real-time thermal map of thermal infrared imager detecting module transmission, the functions such as log-on data processing, image analysis, automatic discrimination are generated
The type of depth of blade surface defect, position, size real time information, and store in a storage module.Unmanned plane completes blade
After set road row inspection, takeoff setting will be fallen on automatically, complete entire patrol task.
Laser radar module is fixed on unmanned machine head, and GPS positioning module is fixed in unmanned plane main body.
In short, the wind generator set blade nondestructive detection system provided by the present application based on infrared thermal wave, may be implemented
Leaf image analysis, automatic discrimination depth of blade surface defect are completed in the acquisition of the real-time heat map data of wind generator set blade
Type, position, size, provide accurate, reliable data foundation for wind generator set blade maintenance personal.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.