CN104568213A - Temperature field non-contact type probe system based on electromagnetic ultrasound - Google Patents
Temperature field non-contact type probe system based on electromagnetic ultrasound Download PDFInfo
- Publication number
- CN104568213A CN104568213A CN201510002336.6A CN201510002336A CN104568213A CN 104568213 A CN104568213 A CN 104568213A CN 201510002336 A CN201510002336 A CN 201510002336A CN 104568213 A CN104568213 A CN 104568213A
- Authority
- CN
- China
- Prior art keywords
- acoustic signal
- electromagnetic
- input end
- temperature field
- data processing
- 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.)
- Granted
Links
Abstract
The invention discloses a temperature field non-contact type probe system based on electromagnetic ultrasound. The temperature field non-contact type probe system comprises a micro controller, an emitting circuit, an electromagnetic ultrasound probe, a receiving switch, an acoustic signal collecting module, an echo data processing module and a display module, wherein the output end of the micro controller is connected with the input end of the emitting circuit, the output end of the emitting circuit is connected with the input end of the electromagnetic ultrasound probe, the output end of the electromagnetic ultrasound probe is connected with the input end of the receiving switch, one output end of the receiving switch is connected with the input end of the micro controller, the other output end of the receiving switch is connected with the input end of the acoustic signal collecting module, the output end of the acoustic signal collecting module is connected with the input end of the echo data processing module, and the output end of the echo data processing module is connected with the input end of the display module. The purpose of rapidly and accurately obtaining the surface temperature and an inner non-uniform temperature field of an object is realized.
Description
Technical field
The present invention relates to the harmless noncontact field of detecting of temperature, particularly, relate to the contactless detection system in a kind of temperature field based on electromagnetic acoustic.
Background technology
At present, the metal or alloy object temperature measuring technique generally used is contact, namely utilizes on testee surface and pastes or welding manner set temperature sensor measurement, or at inside configuration punching mounting temperature sensor.But the method for contact has a lot of limitation, the sensor pasted as surface is as very large in hot-fluid inlet flow conditions affects by external environment condition; The temperature variation that the original form destroying structure can cause material internal local is installed in punching, makes measurement there is comparatively big error, and the relatively slow speed of response also can bring error etc. to measuring in real time, this to a certain degree on limit its service condition.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose the contactless detection system in a kind of temperature field based on electromagnetic acoustic, when to realize not destroying body surface, obtain the advantage of body surface temperature and inner non-uniform temperature field fast and accurately.
For achieving the above object, the technical solution used in the present invention is:
The contactless detection system in temperature field based on electromagnetic acoustic, comprises microcontroller, radiating circuit, electromagnetic ultrasonic probe, receiving key, acoustic signal acquisition module, echo data processing module and display module, the output terminal of described microcontroller is connected with the input end of radiating circuit, the output terminal of described radiating circuit is connected with the input end of electromagnetic ultrasonic probe, the output terminal of described electromagnetic ultrasonic probe is connected with the input end of receiving key, an output terminal of described receiving key is connected with the input end of microcontroller, another output terminal of described receiving key is connected with the input end of acoustic signal acquisition module, the output terminal of described acoustic signal acquisition module is connected with the input end of echo data processing module, the described output terminal of echo data processing module is connected with the input end of display module.
Preferably, described electromagnetic ultrasonic probe adopts ultrasonic shear waves probe, for permanent wall temperature heat transfer problem, and the coupling sample frequency >=10MHz of described acoustic signal acquisition module.
Preferably, described electromagnetic ultrasonic probe adopts ultrasonic shear waves probe, for change wall temperature heat transfer problem, and coupling sample frequency >=100 MHz of described acoustic signal acquisition module.
Preferably, described electromagnetic ultrasonic probe adopts ultrasonic longitudinal wave probe, for permanent wall temperature heat transfer problem, and the coupling sample frequency >=50MHz of described acoustic signal acquisition module.
Preferably, described electromagnetic ultrasonic probe adopts ultrasonic longitudinal wave probe, for change wall temperature heat transfer problem, and coupling sample frequency >=500 MHz of described acoustic signal acquisition module.
Preferably, the spacing between described electromagnetic ultrasonic probe and testee is 0.5-1.5mm.
Preferably, described acoustic signal acquisition module includes the automatic record cell of Measuring Time/acoustic signal, the automatic record cell of described Measuring Time/acoustic signal, inscribes the synchronous recording of ultrasonic propagation time during for measuring overall process time and correspondence thereof.
Preferably, described echo data processing module includes the data processing unit of acoustic signal, the data processing unit of described acoustic signal, for the surface temperature of inverting testee or the internal temperature field distribution state of testee.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention, realizes the non-contact measurement to object temperature by electromagnetic acoustic, thus the interference of the destruction avoided body surface and external environment condition, reach the object obtaining body surface temperature and inner non-uniform temperature field fast and accurately.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the contactless detection system in the temperature field based on electromagnetic acoustic described in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
embodiment one:
As shown in Figure 1, the contactless detection system in a kind of temperature field based on electromagnetic acoustic, comprises microcontroller, radiating circuit, electromagnetic ultrasonic probe, receiving key, acoustic signal acquisition module, echo data processing module and display module; The output terminal of microcontroller is connected with the input end of radiating circuit, the output terminal of radiating circuit is connected with the input end of electromagnetic ultrasonic probe, the output terminal of electromagnetic ultrasonic probe is connected with the input end of receiving key, an output terminal of receiving key is connected with the input end of microcontroller, another output terminal of receiving key is connected with the input end of acoustic signal acquisition module, the output terminal of acoustic signal acquisition module is connected with the input end of echo data processing module, and the output terminal of echo data processing module is connected with the input end of display module.
Wherein, in permanent wall temperature heat transfer problem ± 1 DEG C of resolution requirement, electromagnetic ultrasonic probe adopt ultrasonic longitudinal wave probe, the coupling sample frequency >=50MHz of acoustic signal acquisition module.Spacing between electromagnetic ultrasonic probe and testee is 0.5-1.5mm.Acoustic signal acquisition module includes the automatic record cell of Measuring Time/acoustic signal, the automatic record cell of Measuring Time/acoustic signal, inscribes the synchronous recording of ultrasonic propagation time during for measuring overall process time and correspondence thereof.Echo data processing module includes the data processing unit of acoustic signal, the data processing unit of acoustic signal, for the surface temperature of inverting testee or the internal temperature field distribution state of testee.
embodiment two:
For in change wall temperature heat transfer problem ± 1 DEG C of resolution requirement, electromagnetic ultrasonic probe adopts ultrasonic longitudinal wave probe, coupling sample frequency >=500 MHz of acoustic signal acquisition module.
embodiment three:
For in permanent wall temperature heat transfer problem ± 1 DEG C of resolution requirement, electromagnetic ultrasonic probe adopt ultrasonic shear waves probe, the coupling sample frequency >=10MHz of acoustic signal acquisition module.
embodiment four:
For in change wall temperature heat transfer problem ± 1 DEG C of resolution requirement, electromagnetic ultrasonic probe adopts ultrasonic shear waves probe, coupling sample frequency >=100 MHz of acoustic signal acquisition module.
The data processing unit of the automatic record cell of Measuring Time/acoustic signal and acoustic signal adopts software approach programming realization.
The principle of work of technical solution of the present invention is: coherence's relation of demarcating testee different temperatures and ultrasonic propagation time in advance, the ultrasonic propagation time under testee current state is obtained according to ultrasound method, in conjunction with the synchronous recording of coherence's relation and Measuring Time/acoustic signal, utilize inversion method can obtain surface temperature or the internal temperature field distribution state of object rapidly and accurately.
In sum, the present invention also has following advantage and good effect:
1, the non-contact measurement to metal or alloy object temperature is realized by electromagnetic acoustic.
2, both can measure the surface temperature of metal or alloy object, also can obtain the surface temperature of object and the non-uniform temperature field of interior of articles simultaneously.
When 3, measuring the temperature of high temperature/superhigh temperature object and large sized object, there is better precision.
4, the measurement demand of the various metals such as molten steel, mould, boiler wall, pipeline and container and metal alloy object surface temperature or internal temperature field is applicable to.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. based on the contactless detection system in temperature field of electromagnetic acoustic, it is characterized in that, comprise microcontroller, radiating circuit, electromagnetic ultrasonic probe, receiving key, acoustic signal acquisition module, echo data processing module and display module, the output terminal of described microcontroller is connected with the input end of radiating circuit, the output terminal of described radiating circuit is connected with the input end of electromagnetic ultrasonic probe, the output terminal of described electromagnetic ultrasonic probe is connected with the input end of receiving key, an output terminal of described receiving key is connected with the input end of microcontroller, another output terminal of described receiving key is connected with the input end of acoustic signal acquisition module, the output terminal of described acoustic signal acquisition module is connected with the input end of echo data processing module, the described output terminal of echo data processing module is connected with the input end of display module.
2. the contactless detection system in the temperature field based on electromagnetic acoustic according to claim 1, it is characterized in that, described electromagnetic ultrasonic probe adopts ultrasonic shear waves probe, for permanent wall temperature heat transfer problem, and the coupling sample frequency >=10MHz of described acoustic signal acquisition module.
3. the contactless detection system in the temperature field based on electromagnetic acoustic according to claim 1, it is characterized in that, described electromagnetic ultrasonic probe adopts ultrasonic shear waves probe, for change wall temperature heat transfer problem, and coupling sample frequency >=100 MHz of described acoustic signal acquisition module.
4. the contactless detection system in the temperature field based on electromagnetic acoustic according to claim 1, it is characterized in that, described electromagnetic ultrasonic probe adopts ultrasonic longitudinal wave probe, for permanent wall temperature heat transfer problem, and the coupling sample frequency >=50MHz of described acoustic signal acquisition module.
5. the contactless detection system in the temperature field based on electromagnetic acoustic according to claim 1, it is characterized in that, described electromagnetic ultrasonic probe adopts ultrasonic longitudinal wave probe, for change wall temperature heat transfer problem, and coupling sample frequency >=500 MHz of described acoustic signal acquisition module.
6. the contactless detection system in the temperature field based on electromagnetic acoustic according to claim 2,3,4 or 5, is characterized in that, the spacing between described electromagnetic ultrasonic probe and testee is 0.5-1.5mm.
7. the contactless detection system in the temperature field based on electromagnetic acoustic according to claim 6, it is characterized in that, described acoustic signal acquisition module includes the automatic record cell of Measuring Time/acoustic signal, the automatic record cell of described Measuring Time/acoustic signal, inscribes the synchronous recording of ultrasonic propagation time during for measuring overall process time and correspondence thereof.
8. the contactless detection system in the temperature field based on electromagnetic acoustic according to claim 6, it is characterized in that: described echo data processing module includes the data processing unit of acoustic signal, the data processing unit of described acoustic signal, for the surface temperature of inverting testee or the internal temperature field distribution state of testee.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002336.6A CN104568213B (en) | 2015-01-05 | 2015-01-05 | The contactless detection system in temperature field based on electromagnetic acoustic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002336.6A CN104568213B (en) | 2015-01-05 | 2015-01-05 | The contactless detection system in temperature field based on electromagnetic acoustic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104568213A true CN104568213A (en) | 2015-04-29 |
| CN104568213B CN104568213B (en) | 2017-11-28 |
Family
ID=53084804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510002336.6A Active CN104568213B (en) | 2015-01-05 | 2015-01-05 | The contactless detection system in temperature field based on electromagnetic acoustic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104568213B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628790A (en) * | 2015-12-31 | 2016-06-01 | 中国空气动力研究与发展中心计算空气动力研究所 | Structure inside temperature field measuring method based on material physical property parameter change |
| CN112881536A (en) * | 2019-11-29 | 2021-06-01 | 哈尔滨工业大学 | Large-scale high-speed rotation equipment ultrasonic signal high-speed acquisition system based on acquisition and transmission integration |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4311614A1 (en) * | 1992-04-11 | 1993-10-14 | Elcometer Instr Ltd | Measuring instrument |
| WO2011112641A3 (en) * | 2010-03-09 | 2012-01-19 | California Institute Of Technology | In-service monitoring of steam pipe systems at high temperatures |
| CN202994326U (en) * | 2012-12-24 | 2013-06-12 | 西安创富电子科技有限公司 | Temperature monitoring system based on acoustic surface wave temperature sensor |
| CN103575423A (en) * | 2013-11-18 | 2014-02-12 | 电子科技大学 | Local temperature detecting device and method based on ultrasonic detection |
| CN203732175U (en) * | 2013-11-13 | 2014-07-23 | 南京信息工程大学 | Ultrasonic temperature measurer |
| CN204359454U (en) * | 2015-01-05 | 2015-05-27 | 中国空气动力研究与发展中心计算空气动力研究所 | The contactless detection system in temperature field based on electromagnetic acoustic |
-
2015
- 2015-01-05 CN CN201510002336.6A patent/CN104568213B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4311614A1 (en) * | 1992-04-11 | 1993-10-14 | Elcometer Instr Ltd | Measuring instrument |
| WO2011112641A3 (en) * | 2010-03-09 | 2012-01-19 | California Institute Of Technology | In-service monitoring of steam pipe systems at high temperatures |
| CN202994326U (en) * | 2012-12-24 | 2013-06-12 | 西安创富电子科技有限公司 | Temperature monitoring system based on acoustic surface wave temperature sensor |
| CN203732175U (en) * | 2013-11-13 | 2014-07-23 | 南京信息工程大学 | Ultrasonic temperature measurer |
| CN103575423A (en) * | 2013-11-18 | 2014-02-12 | 电子科技大学 | Local temperature detecting device and method based on ultrasonic detection |
| CN204359454U (en) * | 2015-01-05 | 2015-05-27 | 中国空气动力研究与发展中心计算空气动力研究所 | The contactless detection system in temperature field based on electromagnetic acoustic |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628790A (en) * | 2015-12-31 | 2016-06-01 | 中国空气动力研究与发展中心计算空气动力研究所 | Structure inside temperature field measuring method based on material physical property parameter change |
| CN105628790B (en) * | 2015-12-31 | 2018-05-22 | 中国空气动力研究与发展中心计算空气动力研究所 | A kind of inside configuration temperature field measurement method based on material property Parameters variation |
| CN112881536A (en) * | 2019-11-29 | 2021-06-01 | 哈尔滨工业大学 | Large-scale high-speed rotation equipment ultrasonic signal high-speed acquisition system based on acquisition and transmission integration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104568213B (en) | 2017-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204359454U (en) | The contactless detection system in temperature field based on electromagnetic acoustic | |
| CN104596667A (en) | Method for detecting sensitivity of transient non-uniform temperature field in object by using ultrasonic waves | |
| CN204730815U (en) | A kind of probe of the supersonic thickness meter with self-correcting function | |
| CN207180630U (en) | A kind of Ultrasonic Intelligent measuring thickness device | |
| CN104792875B (en) | Flexible electromagnetism ultrasonic testing system and detection method based on two coil configuration | |
| CN203732175U (en) | Ultrasonic temperature measurer | |
| CN109931896A (en) | A kind of high temperature or low temperature tested pipeline method for testing wall thickness, equipment and system | |
| CN104568213A (en) | Temperature field non-contact type probe system based on electromagnetic ultrasound | |
| CN201688893U (en) | Magnetostriction liquid level measuring instrument | |
| CN101587096A (en) | A kind of method that scale thickness in the stainless-steel tube is distributed and carries out Non-Destructive Testing | |
| Sivaprakasam et al. | Design and demonstration of a RADAR gauge for in-situ level measurement in furnace | |
| CN105675474B (en) | A method of detection pipe fitting extent of corrosion | |
| CN204964058U (en) | Wireless bayonet temperature measuring device based on ultrasonic wave | |
| CN104155362A (en) | Ultrasound imaging technology based method for detecting flow pattern of gas-liquid two-phase flow in micro channel | |
| CN106949860B (en) | Inner wall of the pipe detection system and method | |
| CN102980679A (en) | Device and method for measuring interior temperature of GIS equipment by surface acoustic wave sensor | |
| CN204807054U (en) | Ultrasonic thickness meter | |
| CN105403323A (en) | Structure internal temperature field measuring method based on phase detection | |
| CN204064395U (en) | A kind of radar levelmeter equipment | |
| Yadam et al. | Step frequency continuous wave RADAR sensor for level measurement of molten solids | |
| CN204101515U (en) | A kind of ultrasonic longitudinal wave detects the device of G. Iron Castings nodulizing grade | |
| CN210572042U (en) | Detection apparatus for hazardous liquid | |
| CN111829466A (en) | High-temperature electromagnetic ultrasonic thickness measuring probe | |
| Kang et al. | Low-power EMAT measurements for wall thickness monitoring | |
| JP2006250595A (en) | Ultrasonic measuring method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |