CN203479398U - Dynamic verifying device of radiation thermodetector - Google Patents
Dynamic verifying device of radiation thermodetector Download PDFInfo
- Publication number
- CN203479398U CN203479398U CN201320270016.5U CN201320270016U CN203479398U CN 203479398 U CN203479398 U CN 203479398U CN 201320270016 U CN201320270016 U CN 201320270016U CN 203479398 U CN203479398 U CN 203479398U
- Authority
- CN
- China
- Prior art keywords
- heating
- test piece
- temperature
- radiation
- acquisition system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Radiation Pyrometers (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model belongs to temperature detection technologies, and relates to a dynamic verifying device of a radiation thermodetector. The dynamic verifying device of the radiation thermodetector includes a rotation simulation test-bed, an infrared pyrometer, a data acquisition system, a heating test piece and a heating temperature control device. The rotation simulation test-bed includes a motor, a rotating speed sensor and a metal disc. The metal disc is provided with uniform notches and arranged on the motor; the infrared pyrometer is arranged at the notches of the metal disc and connected with the rotating speed sensor after being connected with the data acquisition system; and the heating test piece is heated by the heating temperature control device through a thermocouple, and a temperature acquisition system is connected with the thermocouple of the heating test piece. The dynamic verifying device of the radiation thermodetector can simulate work states of real blade discs, the response time of the verify apparatus is microsecond, operation is convenient, the cost is low, and a big practical application value is achieved.
Description
Technical field
The utility model belongs to temperature detection technology, relates to a kind of Radiation Temperature Measurement Instrument dynamic checkout unit.
Background technology
The domestic measurement standard relevant for Radiation Temperature Measurement Instrument static verification system or relevant paper, such as playing the standard < < Radiation Temperature Measurement Instrument > > of JJG2004-87 of enforcement on October 1st, 1988, in literary composition, set forth technical parameter and the workflow block diagram of the required utensil of working; The principle of work of the < < infrared thermometer that the Zhang Qin of Chengdu metrological supervision verification test institute write in 2008 in addition and calibrating data processing method are inquired into > >, have set forth environment, points for attention and the data processing method of calibrating infrared thermometer in literary composition.
About Radiation Temperature Measurement Instrument dynamic calibration technology, the Hao Xiao of Northcentral University sword has been delivered PhD dissertation < < transient state surface high-temp and has been measured and Dynamic Calibration Technique research > > in 2005, studied transient high temperature sensor dynamic calibration method, object is exactly dynamic response that utilization can be traced to the source, that fast-changing temperature signal is verified all kinds of temperature sensors, and the transient high temperature sensor response time of research use is at 10～(2) the s orders of magnitude.The people such as the Fan Yi of Harbin Institute of Technology have delivered paper < < and have utilized the Dynamic Thermal detection device of physical property of integrating sphere reflectometry to develop > > in 2002.The high-speed and high-temperature meter response time of utilizing is only 0.1ms, does not have explanation whether can detect the higher response time.The people such as the Li Jiabo of Fluid Physics Inst., China Engineering Physics Academy have delivered paper < < transient radiation pyrometer dynamic linear responding range and have measured > > in 2011, the impact of structure, bleeder circuit and the operating voltage of having studied photomultiplier on dynamic linear responding range, not mentioned to the response time.
Utility model content
The purpose of this utility model is: a kind of Radiation Temperature Measurement Instrument dynamic checkout unit that can realize the kinetic measurement of temperature Microsecond grade is provided.
The technical solution of the utility model is: a kind of Radiation Temperature Measurement Instrument dynamic checkout unit, and it comprises rotary simulation testing table, infrared pyrometer, data acquisition system (DAS), the test piece of heating, the temperature controlling instruments of heating, wherein, described rotary simulation testing table comprises motor, speed probe, rosette.Rosette is arranged on motor, on described rosette, be evenly provided with fluting, infrared pyrometer is arranged on rosette fluting exit, and infrared pyrometer connects speed probe after data acquisition system (DAS), in addition, the temperature controlling instruments of heating heats by thermopair the test piece of heating, and temperature acquisition system connects the thermopair of heating in test piece.
The described temperature controlling instruments of heating comprises high-power transformer, PID adjusting apparatus, thermopair, electric thermo-couple temperature collection system, by electrical heating, test piece is heated, and form regulated power supply by PID adjusting apparatus, thyristor module and ac arc wedling machine, high-power transformer provides large electric current, PID automation control apparatus and thermopair are used in conjunction with, realization is to the measurement of temperature, conversion, demonstration, communication and control, and the test piece of heating is used as resistance, controls the temperature of the test piece of heating by regulation voltage.
The described test piece of heating is T-shaped test piece, narrow in the middle of its two head breadth.
The beneficial effects of the utility model are: the utility model Radiation Temperature Measurement Instrument dynamic checkout unit is simulated actual leaf dish duty, the validation instrument response time can reach Microsecond grade, need to be in actual tests unit check instrument performance and index, easy to operate, save the energy; And rosette is easy to make, the quantity of adjusting hole according to the actual requirements, cost is well below actual leaf dish; In addition, the T-shaped specimen preparation adopting is simple, with low cost, and Temperature Distribution is rule relatively, and measured Data Comparison gets up more directly perceived; Test piece temperature control method is simple, wider range; Can be used for instrument performance research, be familiar with instrumental function, accelerate the application of instrument in engineering.
Accompanying drawing explanation
The structural representation of Fig. 1 the utility model Radiation Temperature Measurement Instrument dynamic checkout unit;
Fig. 2 is the thermometric schematic diagram of demarcating test piece;
Fig. 3 is the structural representation of rosette,
Wherein, the 1-test piece of heating; 3-infrared pyrometer; 4-rosette; 5-probe visual angle; 6-rotating shaft; 7-motor; 9-thermopair; 10-temperature acquisition system; 11-the temperature controlling instruments of heating; 12-data acquisition system (DAS); 13-speed probe.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
Refer to Fig. 1, it is the structural representation of the utility model Radiation Temperature Measurement Instrument dynamic checkout unit.The utility model Radiation Temperature Measurement Instrument dynamic checkout unit comprises rotary simulation testing table, infrared pyrometer, data acquisition system (DAS), the test piece of heating, the temperature controlling instruments of heating.
Wherein, described rotary simulation testing table comprises motor, speed probe, rosette.Rosette is arranged on motor.Refer to Fig. 2, on described rosette, be evenly provided with fluting.Infrared pyrometer is arranged on rosette fluting exit, and infrared pyrometer connects speed probe after data acquisition system (DAS).
The temperature controlling instruments of heating heats by thermopair the test piece of heating, and meanwhile, temperature acquisition system connects the thermopair of heating in test piece.The utility model temperature controlling instruments of heating is comprised of high-power transformer, PID adjusting apparatus, thermopair, electric thermo-couple temperature collection system etc.Utilize principle of electric-heating to heat to test piece, by PID adjusting apparatus, thyristor module and ac arc wedling machine, form regulated power supply, high-power transformer provides large electric current, and PID automation control apparatus and thermopair are used in conjunction with, and can realize measurement, conversion, demonstration, communication and control to temperature.And the test piece of heating is used as resistance, by regulation voltage, control the temperature of the test piece of heating.
Refer to Fig. 3, described in the test piece of heating be T-shaped test piece, adopt metallic conduction design of material to become to have the narrow test pieces of heating in the middle of two head breadths of thermograde, size is adjusted according to leaf dish hole size; Because each cross-sectional width of test piece is different, the temperature that is electrified each xsect after stream is distribution gradient, and center temperature controlling point temperature is the highest.
During the real work of the utility model Radiation Temperature Measurement Instrument dynamic checkout unit, as shown in Figure 1, by heating to simulation test piece (static), rosette rotates by driven by motor.On rosette, evenly open several grooves, by relative motion principle, can regard blade as in rotation by scan blade by rotating metallic dish groove at every turn, and to infrared pyrometer measuring system, provide synchronization trigger pip and tach signal at rosette side installation synchronization sensor.Simulation test piece temperature controlling point (central point) is set a temperature (such as 1000 ° of C), test piece temperature distribution gradient after heating is evenly arranged several thermopairs and with temperature polling instrument, monitors the temperature output of each thermopair below the temperature controlling point of simulation test piece.Infrared pyrometer probe is 95mm with the distance of simulation test piece, and rosette rotates by driven by motor, and this tach signal can record and be sent to computer acquisition system by speed probe.Computer acquisition is carried out temperature survey according to the course of work of engine to simulation test piece.When computer acquisition system records temperature data, record the temperature output of whole thermopairs.
Radiation Temperature Measurement Instrument data sampling rate is fixed on per second 10
6individual sampled point, namely the response time can reach Microsecond grade.Such as, motor speed is 12000rpm(200rev/s), the number in rosette hole is 50, sampling rate is for often turning 5000 sampled points, it is 100 that the collection that each blade often turns is counted, by the data that computer acquisition system is recorded, process post analysis temperature field and distribute, and test findings conforms to the Temperature Distribution trend of thermocouple measurement.
Through practical application, the utility model Radiation Temperature Measurement Instrument dynamic checkout unit performance is obvious, and has obtained good effect, and concrete advantage is as follows:
(1) simulate actual leaf dish duty, the validation instrument response time can reach Microsecond grade, need to be in actual tests unit check instrument performance and index, and easy to operate, save the energy;
(2) rosette is easy to make, the quantity of adjusting hole according to the actual requirements, and cost is well below actual leaf dish;
(3) T-shaped specimen preparation is simple, with low cost, and Temperature Distribution is rule relatively, and measured Data Comparison gets up more directly perceived;
(4) test piece temperature control method is simple, wider range;
(5) can be used for instrument performance research, be familiar with instrumental function, accelerate the application of instrument in engineering.
Claims (3)
1. a Radiation Temperature Measurement Instrument dynamic checkout unit, it is characterized in that: comprise rotary simulation testing table, infrared pyrometer, data acquisition system (DAS), the test piece of heating, the temperature controlling instruments of heating, wherein, described rotary simulation testing table comprises motor, speed probe, rosette, rosette is arranged on motor, on described rosette, be evenly provided with fluting, infrared pyrometer is arranged on rosette fluting exit, and infrared pyrometer connects speed probe after data acquisition system (DAS), in addition, the temperature controlling instruments of heating heats by thermopair the test piece of heating, temperature acquisition system connects the thermopair of heating in test piece.
2. Radiation Temperature Measurement Instrument dynamic checkout unit according to claim 1, it is characterized in that: described in the temperature controlling instruments of heating comprise high-power transformer, PID adjusting apparatus, thermopair, electric thermo-couple temperature collection system, by electrical heating, test piece is heated, and by PID adjusting apparatus, thyristor module and ac arc wedling machine form regulated power supply, high-power transformer provides large electric current, PID automation control apparatus and thermopair are used in conjunction with, the measurement of realization to temperature, conversion, show, communication and control, and resistance is used as in the test piece of heating, by regulation voltage, control the temperature of the test piece of heating.
3. Radiation Temperature Measurement Instrument dynamic checkout unit according to claim 1, is characterized in that: described in the test piece of heating be T-shaped test piece, narrow in the middle of its two head breadth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320270016.5U CN203479398U (en) | 2013-05-17 | 2013-05-17 | Dynamic verifying device of radiation thermodetector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320270016.5U CN203479398U (en) | 2013-05-17 | 2013-05-17 | Dynamic verifying device of radiation thermodetector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479398U true CN203479398U (en) | 2014-03-12 |
Family
ID=50227711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320270016.5U Expired - Lifetime CN203479398U (en) | 2013-05-17 | 2013-05-17 | Dynamic verifying device of radiation thermodetector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203479398U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768357A (en) * | 2016-12-06 | 2017-05-31 | 河南星光机械制造有限公司 | A kind of infrared high-speed temperature transducer response time measuring method and measuring system |
| CN110244200A (en) * | 2019-05-22 | 2019-09-17 | 国家电网有限公司 | A kind of simulation system and its method of energization rotating structural elements fusing process |
| CN111735488A (en) * | 2020-05-28 | 2020-10-02 | 黑龙江建筑职业技术学院 | Tool for measuring and calibrating environmental temperature and humidity equipment |
-
2013
- 2013-05-17 CN CN201320270016.5U patent/CN203479398U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768357A (en) * | 2016-12-06 | 2017-05-31 | 河南星光机械制造有限公司 | A kind of infrared high-speed temperature transducer response time measuring method and measuring system |
| CN110244200A (en) * | 2019-05-22 | 2019-09-17 | 国家电网有限公司 | A kind of simulation system and its method of energization rotating structural elements fusing process |
| CN110244200B (en) * | 2019-05-22 | 2024-08-02 | 国家电网有限公司 | Simulation system and method for fusing process of electrified rotary structural member |
| CN111735488A (en) * | 2020-05-28 | 2020-10-02 | 黑龙江建筑职业技术学院 | Tool for measuring and calibrating environmental temperature and humidity equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104458799B (en) | A kind of method and apparatus of on-line measurement IGBT module transient thermal resistance | |
| CN102944824B (en) | Test method for testing rectifier diode transient high temperature reverse leakage current | |
| CN103134833B (en) | A kind of material heat transfer analysis device based on fluorescence method | |
| CN203479398U (en) | Dynamic verifying device of radiation thermodetector | |
| CN103675017A (en) | Device and method for testing heat conductivity coefficient of material | |
| CN102384928A (en) | Device and method for measuring thermal conductivity of high-conductivity thermal solid material | |
| CN103512379B (en) | Constant-temperaturezone zone of high-temperature combustion chamber rapid assay methods and device | |
| CN103675217A (en) | Gas detection method and device | |
| CN103323284A (en) | Thermoelectric refrigeration performance measuring device and method | |
| CN103759870B (en) | A kind of measuring method for intermittent work device output power value and system | |
| CN105699897A (en) | Motor rotation blockage winding measurement device | |
| CN203365163U (en) | Thermoelectricity refrigeration performance measuring device | |
| CN104006983A (en) | Intelligent test system for heat resistance of CPU radiator and test method of intelligent test system | |
| CN206161182U (en) | Electronic components tests constant temperature system | |
| CN207067377U (en) | A kind of test device of voltage sensor | |
| CN108548844A (en) | The hot physical property sensor and measurement method of annulus heating excitation central point thermometric | |
| CN203502367U (en) | Device for testing heat conductivity coefficient of material by transient plane heat source method | |
| CN204945123U (en) | The test unit of oil leak detector | |
| CN204154667U (en) | Graphite flake heat radiation soaking measuring mechanism | |
| CN105372292A (en) | Plane table thermo-conductivity meter based on guarded hot plate method | |
| CN203249751U (en) | Intelligent wind tunnel wind speed adjustment and data acquisition system | |
| CN203069710U (en) | System for electrical transport property measurement on material | |
| CN110895151A (en) | High-temperature performance verification system and method for engine blade tip sensor | |
| CN207318394U (en) | A kind of Measured Results of Thermal Conductivity experimental system | |
| CN202974902U (en) | Material thermal conductivity coefficient testing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 999, Xuefu Road, Xindu, Chengdu, Sichuan 610500 Patentee after: AECC SICHUAN GAS TURBINE Research Institute Address before: 621703 operation monitoring department, Jiangyou 305 mailbox, Mianyang City, Sichuan Province Patentee before: CHINA GAS TURBINE EST |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |