CN207315577U - Fan blade detecting system - Google Patents
Fan blade detecting system Download PDFInfo
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- CN207315577U CN207315577U CN201721184991.9U CN201721184991U CN207315577U CN 207315577 U CN207315577 U CN 207315577U CN 201721184991 U CN201721184991 U CN 201721184991U CN 207315577 U CN207315577 U CN 207315577U
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- blade
- thermal imaging
- detection device
- data transmission
- transmission device
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- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000001931 thermography Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000006854 communication Effects 0.000 claims abstract description 11
- 230000006378 damage Effects 0.000 claims abstract description 10
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007418 data mining Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Radiation Pyrometers (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model provides a kind of fan blade detecting system, including：Thermal imaging detection device, is arranged at blade interior, for carrying out damage testing to fan blade；First data transmission device, communicates to connect with the thermal imaging detection device, for the result of the detection to be exported；Blade fault monitoring terminal, communicates to connect with the first data transmission device.By upper, fault detect Maintenance free personnel's close-ups for blade, using the operation principle of thermal imaging detection device, heat forms hot-fluid communication process on fan blade, on fan blade it is defective with flawless region because pyroconductivity is different and caused by correspond to the temperature difference on surface, the defects of its corresponding infrared intensity is also different, and thermal imaging detection device can detect that whether there is crackle in workpiece, stripping, interlayer.Thus it is more convenient, efficient, and save human cost.
Description
Technical field
Wind power plant monitoring technology field is the utility model is related to, particularly a kind of fan blade detecting system.
Background technology
Blade is one of wind power generating set critical component, is subject to high wind loads, the grains of sand to wash away during the work time, air
Oxidation with humid air corrosion etc. factor influence, unavoidably occur stomata, crack, abrasion, corrosion the problems such as, such as can not
Detect the above situation in time and repaired, will cause leaf destruction, serious threat unit safety operation.
Blade is run on wind power tower top, and existing detection mainly includes the distant surveillance of maintenance personnel ground, including
Using observation devices such as telescopes, but blade common injury such as appearing in early stage, band, longitudinal cracking, unsticking still
It is not easy to be noticeable.Maintenance personnel is additionally included by close-ups such as climbing, hangers, but there are a Dingan County for above-mentioned detection
Full hidden danger, at the same it is time-consuming longer, it is difficult to the wind turbine of big density is detected one by one.
Utility model content
The main purpose of the utility model is that provide a kind of fan blade detecting system, realize for blade fault from
Dynamic detection, and eliminate the cumbersome of artificial detection.The detecting system includes：
Thermal imaging detection device, is arranged at blade interior, for carrying out damage testing to fan blade；
First data transmission device, communicates to connect with the thermal imaging detection device, for the result of the detection is defeated
Go out；
Blade fault monitoring terminal, communicates to connect with the first data transmission device.
By upper, fault detect Maintenance free personnel's close-ups for blade, using the work of thermal imaging detection device
Make principle, heat forms hot-fluid communication process on fan blade, and defective and flawless region is because of heat biography on fan blade
Conductance is different and causes the temperature difference on corresponding surface, its corresponding infrared intensity is also different, and thermal imaging detection device can
Detect whether there is crackle in workpiece, peel off, interlayer the defects of.Thus it is more convenient, efficient, and save human cost.
Wherein, the thermal imaging detection device includes being bonded the carbon fiber product heating dress of installation with the blade inner wall
Put；With
The thermal imaging system detection device set towards the blade inner wall.
By upper, the carbon molecules after energization in carbon fiber product heating unit does " Brownian movement ", while heat is produced,
85% or so far-infrared radiation heat can be produced, compared to routine techniques, heat conversion ratio higher.
Wherein, the heating unit is installed on the blade interior by ceramic base.
By upper, heat-conducting medium is served as by ceramic base, can be to avoid heating unit overheats and breaks down, so as to extend
Its service life.
Wherein, the ceramic base is arranged to the structure to match with blade bonding position.
By upper so that the compactness higher of ceramic base and blade, so as to be more advantageous to the propagation of radiations heat energy.
Wherein, the blade fault monitoring terminal is host computer.
By upper, fault type and failure rank can quickly be calculated by host computer.
Wherein, the blade fault monitoring terminal further includes mobile terminal；
The mobile terminal and the second data transmission device communicate to connect；
Second data transmission device is communicated to connect with the first data transmission device or the host computer.
By upper, compared to host computer, mobile terminal more flexibly gets the fault data of blade easy to staff.
Wherein, second data transmission device includes but not limited to one below：Wi-Fi communication modules and 4G communication moulds
Block.
By upper, more compatible different mobile terminals of communication module, data are received easy to it.
Brief description of the drawings
Fig. 1 is fan blade detecting system first embodiment principle schematic；
Fig. 2 is the schematic view of the mounting position of thermal imaging detection device；
Fig. 3 is fan blade detecting system second embodiment principle schematic.
Embodiment
Fan blade detecting system described in the utility model is described in detail referring to Fig. 1~Fig. 3.
Fig. 1 show the principle schematic of fan blade detecting system, including the thermal imaging detection dress communicated to connect successively
100, first data transmission device 200 and host computer 300 are put, the thermal imaging detection device 100 is used to carry out fan blade
Damage testing, and detection data are sent to first data transmission device 200, detection data are sent to host computer 300 by it,
Fault determination is finally carried out by host computer 300.
Fig. 2 show the scheme of installation of thermal imaging detection device 100, and the thermal imaging detection device 100 includes heating
Device 101 and thermal imaging system detection device 102.It is different that the structure of blade 10 can simply be divided into leading edge 11, trailing edge 13 and spar cap 12 etc.
Region.In 10 inside spar cap of blade, 12 bottom position, heating unit 101 is installed.
The heating unit 101 uses carbon fiber product heating unit, such as the carbon-fiber floor-heating piece for warming oneself, carbon fibre
Heating cable, carbon fibre radiator etc. are tieed up, the carbon molecules in carbon fiber after energization does " Brownian movement ", is producing the same of heat
When, can produce 85% or so far-infrared radiation heat, compared to routine techniques, heat conversion ratio higher.
Above-mentioned heat forms hot-fluid communication process on fan blade, on fan blade defective and flawless region because
Pyroconductivity is different and causes the temperature difference on corresponding surface, its corresponding infrared intensity is also different, after the principle
Thermal imaging system detection device 102 described in text can detect whether there is crackle, stripping, interlayer etc. in workpiece using thermo parameters method
Defect.
Preferably, the heating unit 101 is installed on the bottom position of spar cap 12 by ceramic base, pass through ceramic base
Heat-conducting medium is served as, can overheat and break down to avoid heating unit 101, so as to extend its service life.The ceramic bottom
Seat can use the modes such as bolt to carry out installation fixation, repeat no more.
Further, the ceramic base may be configured as the polymorphic structure to fit with the bottom of spar cap 12, so as to
To increase the fitting area of the two, so as to improve hot-fluid propagation efficiency.
Thermal imaging system detection device 102 is installed on 12 tip position of spar cap, is set towards the blade, for gathering blade
Hot-fluid communication process so that using internal algorithm carry out fault identification.Simultaneously as the light in thermal imaging system detection device 102
Fiber grating sensor is more fragile, is very easy to destroy in harsh environments, thus in thermal imaging system detection device 102
Fiber-optic grating sensor, which is packaged, to be conducive to prolong the service life.Fiber grating in the thermal imaging system detection device 102 passes
The encapsulation of sensor can use common substrate formula, tubular type or both ends based on tubular type clipping.
It is mostly fiberglass etc., thus even with to blade it should be noted that due to the special substance that blade uses
Internal heating is carried out, thermal imaging system detection device 102 still can detect the breakage of blade exterior by thermal imaging.
Above-mentioned heating unit 101 and thermal imaging system detection device 102 are using the power supply power supply inside fan blade, and the power supply is also
Thawing apparatus of blade interior etc. is provided to be powered.
The data transfer that thermal imaging system detection device 102 is gathered is to the first data transmission device 200 for communicating with connection.
The first data transmission device 200 is fiber optic cables, to realize the transmission of lossless signal.
The heating unit 101 of the present embodiment samples carbon fiber product heating unit and coordinates 102 solid line of thermal imaging system detection device
Detection for fan blade, in actual use, can also use ultrasonic action infrared thermal imaging, lock phase infrared thermal imaging, pulse
Phase imaging, Terahertz excitation thermal imaging etc..
Host computer 300 is communicated to connect with the first data transmission device 200, to obtain the thermal imaging system detection device
102 data gathered, the damaging impact signal of fan blade with Wavelet Packet Analysis extracted and identified, and is passed through
Data mining technology can automatically analyze blade injury type and damage rank.Wavelet Packet Analysis described in the present embodiment and
Data mining technology realizes that the application is not intended to that it is changed and protected using existing software.
Second data transmission device 400, communicates to connect with the host computer 300, is sent when receiving the host computer 300
Blade injury type with after damage ranks, above-mentioned data being carried out wireless-modulated, are held with sending to relevant staff
Mobile terminal 500.Second data transmission device 400 includes but not limited to following hardware module solid line：Wi-Fi communication moulds
Block, 4G communication modules.
The host computer 300 and mobile terminal 500 can be collectively referred to as blade fault monitoring terminal.
As shown in figure 3, in another embodiment, second data transmission device 400 can directly with first data
Transmitting device 200 communicates to connect, and the data that the thermal imaging system detection device 102 is gathered are sent directly to related work people
The mobile terminal 500 held of member, i.e., be integrated with the function of the host computer 300 in mobile terminal 500, so as to fulfill for
The monitoring of blade fault.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
- A kind of 1. fan blade detecting system, it is characterised in that including：Thermal imaging detection device, is arranged at blade interior, for carrying out damage testing to fan blade；First data transmission device, communicates to connect with the thermal imaging detection device, for the result of the detection to be exported；Blade fault monitoring terminal, communicates to connect with the first data transmission device.
- 2. system according to claim 1, it is characterised in that the thermal imaging detection device includes and the blade inner wall It is bonded the carbon fiber product heating unit of installation；WithThe thermal imaging system detection device set towards the blade inner wall.
- 3. system according to claim 2, it is characterised in that the heating unit is installed on the leaf by ceramic base Inside piece.
- 4. system according to claim 3, it is characterised in that the ceramic base is arranged to and blade bonding position phase The structure matched somebody with somebody.
- 5. system according to claim 1, it is characterised in that the blade fault monitoring terminal is host computer.
- 6. system according to claim 5, it is characterised in that the blade fault monitoring terminal further includes mobile terminal；The mobile terminal and the second data transmission device communicate to connect；Second data transmission device is communicated to connect with the first data transmission device or the host computer.
- 7. system according to claim 6, it is characterised in that second data transmission device includes but not limited to following One of：Wi-Fi communication modules and 4G communication modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184991.9U CN207315577U (en) | 2017-09-15 | 2017-09-15 | Fan blade detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184991.9U CN207315577U (en) | 2017-09-15 | 2017-09-15 | Fan blade detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315577U true CN207315577U (en) | 2018-05-04 |
Family
ID=62382803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721184991.9U Active CN207315577U (en) | 2017-09-15 | 2017-09-15 | Fan blade detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285161A (en) * | 2020-11-20 | 2021-01-29 | 西安热工研究院有限公司 | In-situ ultrasonic infrared thermal image detection device and method for gas turbine compressor blade |
-
2017
- 2017-09-15 CN CN201721184991.9U patent/CN207315577U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285161A (en) * | 2020-11-20 | 2021-01-29 | 西安热工研究院有限公司 | In-situ ultrasonic infrared thermal image detection device and method for gas turbine compressor blade |
| CN112285161B (en) * | 2020-11-20 | 2023-07-25 | 西安热工研究院有限公司 | In-situ ultrasonic infrared thermal image detection device and method for gas turbine compressor blade |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240229 Address after: F17, Block C, International Investment Building, No. 6-9, Fuchengmen North Street, Xicheng District, Beijing 100,034 Patentee after: Longyuan (Beijing) New Energy Engineering Technology Co.,Ltd. Country or region after: China Address before: No. 6-9 Fuchengmen North Street, Xicheng District, Beijing, 100034 (16th Floor, Building C, International Investment Building) Patentee before: ZHONGNENG POWER-TECH DEVELOPMENT Co.,Ltd. Country or region before: China |