CN104916191A - Infrared temperature measurement simulation device - Google Patents
Infrared temperature measurement simulation device Download PDFInfo
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- CN104916191A CN104916191A CN201510253127.9A CN201510253127A CN104916191A CN 104916191 A CN104916191 A CN 104916191A CN 201510253127 A CN201510253127 A CN 201510253127A CN 104916191 A CN104916191 A CN 104916191A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/16—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for science of heat
Abstract
The invention discloses an infrared temperature measurement simulation device. The infrared temperature measurement simulation device is used for simulating the surface temperature of a hot-end component of an engine and measuring the surface temperature. The infrared temperature measurement simulation device includes a warm box, a buzz wheel, a probe, a probe motor, a probe connecting rod mechanism, a buzz wheel motor and a belt wheel or a transmission shaft. The device simulates the surface temperature of turbine rotor blades when the engine is under extremely high-temperature and high-pressure harsh environments, and measures the surface temperature in an all-dimensional covering manner, and at the same time, can make a motor avoid operating in a high-temperature environment assuredly. With the infrared temperature measurement simulation device adopted, high-temperature conditions can be simulated realistically, and test cost can be decreased, and measurement data are complete, and the service life of a test platform can be prolonged.
Description
Technical field
The present invention relates to infrared measurement of temperature field, particularly a kind of infrared measurement of temperature simulation device.
Background technology
In the development and reliable life research of aeromotor, be faced with a new action much more more and more, namely accurately the parameters such as parts entity temperature under stationary conditions, stress are measured, and relevant Calculation and check is provided, this has great importance to engine design, verification experimental verification and performance evaluation, and the measurement of numbers of hot-side engine component surface temperature is a wherein important content.
For engine thermal end pieces such as turbine rotor blade, along with the development of aero engine technology, owing to improving gas turbine inlet temperature, oneself becomes the main path improving engine performance, the thermal parameter of engine is improving constantly, 5th generation fighter engine turbine inlet temperature (TIT) will reach 2100K ~ 2300K, thus cause the temperature that turbine rotor blade bears and increase substantially, directly affect the turbine reliably working life-span at high operating temperatures.Therefore the Measurement accuracy of turbine rotor blade surface temperature evaluates its cooling effect, duty and serviceable life to correct, guarantees that the safety of engine has vital role.
Traditional high temperature test is based on contact method, due to engine interior bad environments, more difficult by directly measuring the surface temperature of hot-end component to evaluate its each side effect, and the experimentation cost of directly measuring hot-end component surface temperature is larger.
Current abroad of infrared thermometric test directly tests in actual engine, do not set up analogue means for blade surface temperature survey.Temperature measured by test can be made closer to actual temperature although directly measure actual engine Turbine Blade Temperature Field, but because the cost building a turbine engine laboratory is too huge, and it is also a lot of often to run resource spent by an engine, therefore invent a kind of cost lower and can the simulator of simulated engine hot-end component surface temperature be necessary.
Summary of the invention
The object of this invention is to provide a kind of infrared measurement of temperature simulation device, the surface temperature under the hot environment that turbine rotor blade produces when engine operation can be simulated, and this surface temperature is measured in comprehensive covering.
Another goal of the invention of the present invention is to provide the temp measuring method using above-mentioned infrared measurement of temperature analogue means.
The object of the invention is to be realized by following technical proposals:
A kind of infrared measurement of temperature simulation device, this device comprises incubator, hum wheel, hum wheel driving device, infrared temperature measurement apparatus, and wherein, described hum wheel is a disk being provided with multiple hole, simulates the shape during turbine rotor blade real work during rotation; Described incubator is positioned at the side of hum wheel; The hole of described hum wheel covers the metal net shaped shielding plate of different reticular density, when the thermal energy radiation that incubator produces is on described metal net shaped shielding plate, creates different heat-energy losses, simulate the difference of turbine rotor different leaves temperature; Described infrared temperature measurement apparatus is positioned at the opposite side of hum wheel, for measuring the surface temperature of hum wheel; Described hum wheel is taken turns driving device with hum and is connected, thus drives the rotation of hum wheel.
In one embodiment, described hum wheel drive unit comprises belt pulley and hum turbin generator, and described hum wheel is connected with hum turbin generator by belt pulley.Further, described hum turbin generator and incubator, not in same level, prevent the direct radiation motor of incubator high temperature, and protection motor is in safe working environment temperature range.
In one embodiment, described hum wheel drive unit comprises transmission shaft and hum turbin generator, and described hum wheel is connected with hum turbin generator by transmission shaft.Further, described hum turbin generator increases the distance between hum turbin generator and incubator by transmission shaft, and transmission shaft does the process of increase area of dissipation, prevents the direct radiation motor of incubator high temperature, and protection motor is in safe working environment temperature range.
In one embodiment, described infrared temperature measurement apparatus comprises probe, probe linkage assembly and probe motor, its middle probe is connected with probe motor by probe linkage assembly, probe moves under in the vertical direction under the drive of probe motor, thus can measure the surface temperature of hum wheel by mulched ground when hum wheel rotates comprehensively.Namely, probe takes turns rear with the movement perpendicular to incubator thermal energy radiation direction at hum, and hum wheel reaches comprehensive covering measure analog blade surface temperature with the rotation that incubator thermal energy radiation direction is axle center.
Present invention also offers the temp measuring method using above-mentioned infrared measurement of temperature analogue means, comprise the following steps:
(1) open incubator, under the thermal energy radiation of incubator, the hole due to hum wheel is provided with the metal net shaped shielding plate of different reticular density, and hum wheel surface produces temperature difference;
(2) wait for Temperature of Warm Case be warming up to test temperature and held stationary constant after, start hum wheel driving device, drive hum wheel rotation;
(3) after hum wheel speed reaches testing requirements, start temperature measuring equipment, measure the hum wheel surface temperature of rotating.
Further, in described step (3), use temperature measuring equipment as claimed in claim 4, described probe passes through probe linkage assembly under probe driven by motor, to move up and down perpendicular to incubator thermal energy radiation direction, measure the hum wheel surface temperature of high-speed rotation.
Infrared measurement of temperature simulation device provided by the invention simulates the turbine rotor blade under duty realistically, and the surface temperature of the comprehensive mulched ground measure analog blade of energy, has saved experimentation cost.
Accompanying drawing explanation
Fig. 1: the structural representation of infrared measurement of temperature simulator of the present invention;
Fig. 2: the hum wheel construction schematic diagram in infrared measurement of temperature simulator of the present invention;
Fig. 3: the hum wheel kinematic train in infrared measurement of temperature simulator of the present invention;
Wherein, 1-incubator, 2-hum wheel, 3-probe, 4-probe linkage assembly, 5-probe motor, 6-belt pulley, 7-hum turbin generator, 8-metal net shaped shielding plate, 9-transmission shaft.
Embodiment
Below in conjunction with accompanying drawing 1-3, further illustrate the present invention and how to realize.
Embodiment 1
As shown in Figure 1, a kind of infrared measurement of temperature simulation device, comprise incubator 1, hum wheel 2, probe 3, probe linkage assembly 4, probe motor 5, belt pulley 6, hum turbin generator 7, wherein, described hum wheel 2 is the disks being provided with hole, simulates the shape during turbine rotor blade real work during rotation well.Described incubator 1 is positioned at the side of hum wheel 2, the surface temperature that the thermal energy radiation that incubator 1 produces produces on hum wheel 2 surface, simulates the surface temperature that turbine rotor blade produces.Described probe 3 is positioned at the opposite side of hum wheel 2, for detecting the surface temperature of hum wheel.Described probe 3 is connected with probe motor 5 by probe linkage assembly 4, moves under the drive of probe motor 5 at vertical direction.Described hum wheel 2 is connected with hum turbin generator 7 by belt pulley 6, under hum turbin generator 7 drive with incubator 2 thermal energy radiation direction for axis rotation.In use, probe 3 comprehensive mulched ground can measure the surface temperature of hum wheel to this simulation device.
As shown in Figure 2, hum takes turns the metal net shaped shielding plate 8 that 2 tappings cover different reticular density, the heat energy produced by incubator 1 heat energy when the metal net shaped shielding plate 8 through different reticular density has loss in various degree, probe 3 can receive different infrared radiation, the temperature contrast between each blade when simulating the work of turbine rotor blade.
Embodiment 2
As shown in Figure 3, transmission shaft 9 and hum turbin generator 7 can also be used to take turns driving device as hum replaces the hum in embodiment 1 to take turns driving device, hum wheel 2 is connected with hum turbin generator 7 by transmission shaft 9, transmission shaft 9 increases the distance between hum turbin generator 7 and incubator 1, and transmission shaft 9 does increases area of dissipation process, can well ensure that the working temperature of hum turbin generator 7 is in safe working environment temperature range.
Claims (8)
1. an infrared measurement of temperature simulation device, comprise incubator, hum wheel, hum wheel driving device, infrared temperature measurement apparatus, it is characterized in that, described hum wheel is a disk being provided with multiple hole, the hole of described hum wheel covers the metal net shaped shielding plate of different reticular density, described incubator is positioned at the side of hum wheel, and described infrared temperature measurement apparatus is positioned at the opposite side of hum wheel, and described hum wheel is taken turns driving device with hum and is connected.
2. infrared measurement of temperature simulation device according to claim 1, is characterized in that, described hum wheel drive unit comprises belt pulley and hum turbin generator, and described hum wheel is connected with hum turbin generator by belt pulley.
3. infrared measurement of temperature simulation device according to claim 2, is characterized in that, described hum turbin generator and incubator be not in same level.
4. according to according to infrared measurement of temperature simulation device according to claim 1, it is characterized in that, described hum wheel drive unit comprises transmission shaft and hum turbin generator, and described hum wheel is connected with hum turbin generator by transmission shaft.
5. according to according to infrared measurement of temperature simulation device according to claim 4, it is characterized in that, described hum turbin generator increases the distance between hum turbin generator and incubator by transmission shaft, and transmission shaft does the process of increase area of dissipation.
6. infrared measurement of temperature simulation device according to claim 1, is characterized in that, described infrared temperature measurement apparatus comprises probe, probe linkage assembly and probe motor, and its middle probe is connected with probe motor by probe linkage assembly.
7. use the infrared measurement of temperature simulation device in claim described in 1 to carry out a method for thermometric, it is characterized in that, comprise the following steps:
(1) open incubator, the thermal energy radiation of incubator is on hum wheel, and the hole due to hum wheel is provided with the metal net shaped shielding plate of different reticular density, and hum wheel surface produces temperature difference;
(2) wait for Temperature of Warm Case be warming up to test temperature and held stationary constant after, start hum wheel drive unit, drive the rotation of hum wheel;
(3) after hum wheel speed reaches testing requirements, start temperature measuring equipment, measure the hum wheel surface temperature of rotating.
8. the method for thermometric according to claim 5, it is characterized in that, in described step (3), use infrared temperature measurement apparatus as claimed in claim 6, described probe passes through probe linkage assembly under probe driven by motor, to move up and down perpendicular to incubator thermal energy radiation direction, measure the hum wheel surface temperature of rotating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510253127.9A CN104916191B (en) | 2015-05-18 | 2015-05-18 | A kind of infrared measurement of temperature simulation device |
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| CN201510253127.9A CN104916191B (en) | 2015-05-18 | 2015-05-18 | A kind of infrared measurement of temperature simulation device |
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| CN104916191B CN104916191B (en) | 2017-07-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115346A (en) * | 2018-06-20 | 2019-01-01 | 中国科学院深圳先进技术研究院 | A kind of rotatable parts temperature monitoring system |
| CN109307599A (en) * | 2018-10-15 | 2019-02-05 | 北京矿冶科技集团有限公司 | Test hot environment simulation system, abradable testing machine and temprature control method |
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| CN203773807U (en) * | 2014-04-10 | 2014-08-13 | 内蒙古民族大学 | Thermal convection demonstration apparatus |
| CN204189378U (en) * | 2014-10-29 | 2015-03-04 | 嘉善恒杰热管科技有限公司 | A kind of Stirling engine model adopting phase transformation plume low temperature to drive |
| CN204720053U (en) * | 2015-05-18 | 2015-10-21 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of infrared measurement of temperature simulation device |
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2015
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| US3346969A (en) * | 1964-07-01 | 1967-10-17 | Communications Patents Ltd | Helicopter ground resonance simulator |
| CN2715280Y (en) * | 2004-05-26 | 2005-08-03 | 华南理工大学 | A motor teaching demo experimental device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109115346A (en) * | 2018-06-20 | 2019-01-01 | 中国科学院深圳先进技术研究院 | A kind of rotatable parts temperature monitoring system |
| WO2019241977A1 (en) * | 2018-06-20 | 2019-12-26 | 中国科学院深圳先进技术研究院 | Rotating component temperature monitoring system |
| CN109307599A (en) * | 2018-10-15 | 2019-02-05 | 北京矿冶科技集团有限公司 | Test hot environment simulation system, abradable testing machine and temprature control method |
| CN109307599B (en) * | 2018-10-15 | 2020-03-20 | 北京矿冶科技集团有限公司 | High-temperature environment simulation system for test, abradable tester and temperature control method |
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| CN104916191B (en) | 2017-07-21 |
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