CN106679825A - Rotation machinery blade surface heat radiant quantity measuring method and apparatus - Google Patents
Rotation machinery blade surface heat radiant quantity measuring method and apparatus Download PDFInfo
- Publication number
- CN106679825A CN106679825A CN201611153961.1A CN201611153961A CN106679825A CN 106679825 A CN106679825 A CN 106679825A CN 201611153961 A CN201611153961 A CN 201611153961A CN 106679825 A CN106679825 A CN 106679825A
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- blade surface
- infrared probe
- probe
- measuring method
- drive mechanism
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000005855 radiation Effects 0.000 claims abstract description 16
- 230000011514 reflex Effects 0.000 claims description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 abstract 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JUWSSMXCCAMYGX-UHFFFAOYSA-N gold platinum Chemical compound [Pt].[Au] JUWSSMXCCAMYGX-UHFFFAOYSA-N 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention belongs to the high speed rotation machinery blade surface temperature measuring technology, and relates to a high speed rotation machinery blade surface heat radiation quantity measuring method. The hardware corresponding to the rotation machinery blade surface heat radiation quantity measuring method comprises an infrared probe and a driving mechanism wherein the infrared probe is provided with a built-in small motor, a reversible light reflection lens, and a photodetector. The driving mechanism consists of an electromagnetic valve and an air cylinder. Under the control of the electromagnetic valve to realize the switching of the air cylinder, the infrared probe is driven to be extended or stretched. When the infrared probe scans, the driving mechanism drives the probe into the high temperature flow channel and then, the small motor inside the probe pulls the light reflection lens to be turned over so that the radiation quantity on the surface of the blade can be reflected onto the photodetector. Through the electric signal to analyze the radiation quantity distribution on the surface of the blade, the temperature distribution on the surface of the blade could be figured out so as to provide data support for the estimation of the service lifetime of the high speed rotation machinery blade. After the scanning process is over, the electromagnetic valve controls the switching of the air cylinder valve so as to drive the probe to be retracted to its original position.
Description
Technical field
The invention belongs to high-speed rotating machine blade surface temperature measurement technology, is related to a kind of high-speed rotating machine blade table
Fever sensation of the face radiant quantity measurement method.
Background technology
Deceleration supercharging due to gas or high temperature and high pressure gas decompressing speed-increasing in high-speed rotating machine so that select in machinery
Portion's solid, gas converting heat phenomenon are complicated, and high-speed rotating machine blade is just operated in extremely complex rugged environment.In order to comment
Estimate the life-span of high-speed rotating machine blade, need to measure blade surface temperature, with this complexity of the technique study of theory analysis
Heat transfer phenomenon, holds heat transfer heat exchange rule in rotating machinery, it is critical only that setting up rotor blade truly conducts heat the mathematics thing of heat exchange
Reason model, and mathematical model is ultimately from test data.Only by test, detailed measurements rotor blade surface temperature, ability
Stream heat transfer mechanism in real understanding high-speed rotating machine, effectively assessment high-speed rotating machine leaf longevity.
The content of the invention
The purpose of the present invention is：A kind of rotating machinery blade surface thermal exposure measuring method and device are provided, to the greatest extent may be used
On the premise of can guarantee that test safety, can quick obtaining high-speed rotating machine blade surface amount of radiation.
The technical scheme is that：A kind of rotating machinery blade surface thermal exposure measuring method, its hardware includes driving
Motivation structure and infrared probe, wherein, drive mechanism includes electromagnetic valve, cylinder and height pressure gas channel, and solenoid valve control height is calmed the anger
Road switches, and when high-pressure gas circuit is switched to, drives infrared probe to stretch into rotating machinery runner by cylinder, when switching to low pressure gas
Lu Shi, infrared probe retraction, infrared probe includes photodetector and motor and illuminator, and illuminator is arranged on infrared probe head
Portion, material is platinum, and the illuminator can freely overturn in the presence of motor-driven pull bar, and flip angle is 45 °~71 °
(illuminator normal direction and probe axial direction angle), completes single pass.Illuminator is in switching process by the amount of radiation of blade surface
Reflex on photodetector, the distribution of blade surface amount of radiation analyzed by the signal of telecommunication, and then analyze blade surface Temperature Distribution,
Data are provided for the assessment of high-speed rotating machine leaf longevity to support, when drive mechanism solenoid switches to low pressure gas circuit, vapour
Cylinder drives infrared probe to bounce back to casing wall (initial position), terminates scanning.
The drive mechanism needs 1MPa and 0.5MPa two-way sources of the gas, by solenoid valve control, coordinates cylinder to drive probe to stretch
Contracting, distance of stretch out and draw back is 30mm.
A kind of rotating machinery blade surface thermal exposure measurement apparatus, including drive mechanism and infrared probe, wherein, drive
Mechanism includes electromagnetic valve, cylinder and height pressure gas channel, and solenoid valve control height pressure gas channel switches, when high-pressure gas circuit is switched to,
Infrared probe is driven to stretch into rotating machinery runner by cylinder, when low pressure gas circuit is switched to, infrared probe retraction.
Infrared probe includes photodetector, motor and illuminator, and illuminator is arranged on infrared probe head, and material is platinum
Gold, the illuminator can freely overturn in the presence of motor-driven pull bar, and flip angle is 45 °~71 ° (illuminator normal direction
With probe axial direction angle), complete single pass.The amount of radiation of blade surface is reflexed to light electrical resistivity survey by illuminator in switching process
Survey on device, the distribution of blade surface amount of radiation is analyzed by the signal of telecommunication, and then analyze blade surface Temperature Distribution, be quick peeler
The assessment of tool leaf longevity provides data and supports, when drive mechanism solenoid switches to low pressure gas circuit, cylinder drives infrared spy
Pin bounces back to casing wall (initial position), terminates scanning.
The invention has the beneficial effects as follows：Drive mechanism of the present invention can be according to test instruction, when measurement is needed, driving machine
Structure drives probe to stretch into high temperature inner flow passage, and test bounces back to casing wall (initial position) when completing.Not only reduce probe sudden and violent
The dew time in high temperature environments, probe service life is effectively extended, at utmost ensure the peace of sensor and measurand
Entirely, flow field is no longer affected after the completion of test, can get a lift completely test, saves experimental test cost.In addition, passing through probe
The form of the illuminator upset of head, reduces the length that probe stretches into runner, can not only scan whole blade surface radiation
Amount, also at utmost reduces impact of the test to former flow field.Meanwhile, the technology is in some other special blade surface characteristic
Detection field also has important application value and reference significance.
Description of the drawings
Fig. 1 high-speed rotating machine blade surface thermal exposure measuring method structured flowcharts of the present invention；
Wherein：1- drive mechanisms, 2- drive gas circuit, 3- photodetectors and motor, 4- illuminators.
Specific embodiment
Below in conjunction with the accompanying drawings 1 the present invention is described in detail.
Fig. 1 is the structured flowchart of invention high-speed rotating machine blade surface thermal exposure measuring method.
The hardware of high-speed rotating machine blade surface thermal exposure measuring method of the present invention includes drive mechanism and infrared spy
Pin, wherein, drive mechanism includes electromagnetic valve, cylinder and height pressure gas channel, it is desirable to provide 1MPa and 0.5MPa two-way sources of the gas, by electricity
Magnet valve switches over control to two-way high-low pressure, drives probe to stretch, and distance of stretch out and draw back is 30mm.Electromagnetic valve switches to high-pressure gas circuit
When, control cylinder drives infrared probe to stretch into rotating machinery runner, and the motor control pull bar in probe pulls illuminator upset, turns over
Gyration is 45 °~71 ° (illuminator normal direction and probe axial direction angles), completes single pass.Illuminator will in switching process
The amount of radiation of blade surface is reflexed on photodetector, and by the signal of telecommunication distribution of blade surface amount of radiation is analyzed, and then is analyzed
Blade surface Temperature Distribution, provides data and supports for the assessment of high-speed rotating machine leaf longevity.When drive mechanism solenoid is cut
When shifting to low pressure gas circuit, cylinder drives infrared probe to bounce back to casing wall (initial position), terminates scanning.
Claims (7)
1. a kind of rotating machinery blade surface thermal exposure measuring method, it is characterised in that：Hardware includes drive mechanism and infrared
Probe, wherein, drive mechanism includes electromagnetic valve, cylinder and height pressure gas channel, solenoid valve control cylinder valve switching, when being switched to
During high-pressure gas circuit, infrared probe is driven to stretch into rotating machinery runner, when low pressure gas circuit is switched to, infrared probe is bounced back to initially
Position, infrared probe includes photodetector and motor and reflex reflector lens, and reflex reflector lens are arranged on infrared probe head, and this is reflective
Eyeglass can freely overturn in the presence of motor-driven pull bar, and flip angle is 45 °~71 ° (reflex reflector lens normal direction and spies
Needle shaft is to angle), single pass is completed, the amount of radiation of blade surface is reflexed to photodetection by reflex reflector lens in switching process
On device, the distribution of blade surface amount of radiation is analyzed by the signal of telecommunication, and then analyze blade surface Temperature Distribution, be high-speed rotating machine
Leaf longevity assessment provides data and supports, when drive mechanism solenoid switches to low pressure gas circuit, cylinder drives infrared probe
Initial position is bounced back to, terminates scanning.
2. high-speed rotating machine blade surface thermal exposure measuring method according to claim 1, it is characterised in that：It is described
Drive mechanism needs to provide 1MPa and 0.5MPa two-way sources of the gas, by solenoid valve control, coordinates cylinder to drive probe to stretch, telescopic distance
From for 30mm.
3. high-speed rotating machine blade surface thermal exposure measuring method according to claim 1, it is characterised in that：It is reflective
Lens materials are platinum.
4. a kind of device of the high-speed rotating machine blade surface thermal exposure measuring method realized described in claim 1, it is special
Levy and be：Including drive mechanism and infrared probe, wherein, drive mechanism includes electromagnetic valve, cylinder and height pressure gas channel, electromagnetic valve
Control cylinder valve switching, when high-pressure gas circuit is switched to, drives infrared probe to stretch into rotating machinery runner, when being switched to low pressure
During gas circuit, infrared probe bounces back to initial position, and infrared probe includes photodetector and motor and reflex reflector lens, reflex reflector lens
Installed in infrared probe head, the reflex reflector lens can freely overturn in the presence of motor-driven pull bar, and flip angle is
45 °~71 ° (reflex reflector lens normal direction and probe axial direction angle), completes single pass, and reflex reflector lens are in switching process by blade
The amount of radiation on surface is reflexed on photodetector, and by the signal of telecommunication distribution of blade surface amount of radiation is analyzed, and then analyzes blade
Surface temperature distribution, provides data and supports for the assessment of high-speed rotating machine leaf longevity.
5. high-speed rotating machine blade surface thermal exposure measuring method according to claim 1, it is characterised in that：It is described
Drive mechanism needs to provide 1MPa and 0.5MPa two-way sources of the gas, by solenoid valve control, coordinates cylinder to drive probe to stretch, telescopic distance
From for 30mm.
6. high-speed rotating machine blade surface thermal exposure measurement apparatus according to claim 4, it is characterised in that：It is reflective
Lens materials are platinum.
7. high-speed rotating machine blade surface thermal exposure measurement apparatus according to claim 4, it is characterised in that：It is described
Drive mechanism needs to provide 1MPa and 0.5MPa two-way sources of the gas, is switched by solenoid valve control height pressurized air source, under cylinder action
Probe is driven to stretch, distance of stretch out and draw back is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153961.1A CN106679825A (en) | 2016-12-14 | 2016-12-14 | Rotation machinery blade surface heat radiant quantity measuring method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153961.1A CN106679825A (en) | 2016-12-14 | 2016-12-14 | Rotation machinery blade surface heat radiant quantity measuring method and apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN106679825A true CN106679825A (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611153961.1A Pending CN106679825A (en) | 2016-12-14 | 2016-12-14 | Rotation machinery blade surface heat radiant quantity measuring method and apparatus |
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| CN (1) | CN106679825A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260919A (en) * | 2019-06-20 | 2019-09-20 | 电子科技大学 | Method that is a kind of while measuring turbo blade blade tip temperature and strain |
| CN111103059A (en) * | 2019-12-02 | 2020-05-05 | 电子科技大学 | Probe device for full-field scanning of engine turbine blade |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588119A (en) * | 2010-10-28 | 2012-07-18 | 通用电气公司 | Smart radiation thermometry system for real time gas turbine control and prognosis |
| CN102967377A (en) * | 2012-11-14 | 2013-03-13 | 中国科学院工程热物理研究所 | Method and device for carrying out non-contact measuring and positioning on surface temperature of rotating blades |
| CN103128735A (en) * | 2011-11-30 | 2013-06-05 | 北京五洲中兴机电设备开发有限公司 | Z axis power assisting system of rectangular coordinate robot |
| CN103364088A (en) * | 2013-07-12 | 2013-10-23 | 安徽晋源电缆有限公司 | Plug-in infrared radiating thermodetector based on wifi |
| CN204988511U (en) * | 2015-09-30 | 2016-01-20 | 中国航空工业集团公司沈阳发动机设计研究所 | Infrared pyrometer |
-
2016
- 2016-12-14 CN CN201611153961.1A patent/CN106679825A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588119A (en) * | 2010-10-28 | 2012-07-18 | 通用电气公司 | Smart radiation thermometry system for real time gas turbine control and prognosis |
| CN103128735A (en) * | 2011-11-30 | 2013-06-05 | 北京五洲中兴机电设备开发有限公司 | Z axis power assisting system of rectangular coordinate robot |
| CN102967377A (en) * | 2012-11-14 | 2013-03-13 | 中国科学院工程热物理研究所 | Method and device for carrying out non-contact measuring and positioning on surface temperature of rotating blades |
| CN103364088A (en) * | 2013-07-12 | 2013-10-23 | 安徽晋源电缆有限公司 | Plug-in infrared radiating thermodetector based on wifi |
| CN204988511U (en) * | 2015-09-30 | 2016-01-20 | 中国航空工业集团公司沈阳发动机设计研究所 | Infrared pyrometer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260919A (en) * | 2019-06-20 | 2019-09-20 | 电子科技大学 | Method that is a kind of while measuring turbo blade blade tip temperature and strain |
| CN111103059A (en) * | 2019-12-02 | 2020-05-05 | 电子科技大学 | Probe device for full-field scanning of engine turbine blade |
| CN111103059B (en) * | 2019-12-02 | 2021-04-30 | 电子科技大学 | Probe device for full-field scanning of engine turbine blade |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170517 |
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