CN203365257U - High-temperature and super-long service life fatigue experiment system based on induction heating - Google Patents
High-temperature and super-long service life fatigue experiment system based on induction heating Download PDFInfo
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- CN203365257U CN203365257U CN 201320477008 CN201320477008U CN203365257U CN 203365257 U CN203365257 U CN 203365257U CN 201320477008 CN201320477008 CN 201320477008 CN 201320477008 U CN201320477008 U CN 201320477008U CN 203365257 U CN203365257 U CN 203365257U
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Abstract
The utility model discloses a high-temperature and super-long service life experiment system based on induction heating. The system comprises a computer, an ultrasonic signal generator, a piezoelectric transducer, a displacement magnifier, an extension rod and a fixing support, wherein the computer, the ultrasonic signal generator and the piezoelectric transducer are in signal connection in sequence; the piezoelectric transducer, the displacement magnifier and the extension rod are fixedly connected in sequence, and the piezoelectric transducer is fixed on the fixing support; and the system further comprises an induction heater arranged on the fixing support; and an induction coil is connected onto the induction heater and located at the lower part of the extension rod. With the adoption of the structure, a super-long service life fatigue experiment at the high temperature can be realized without a high-temperature heating box, and further, a rapid variable temperature experiment is very easy to realize.
Description
Technical field
The utility model relates to the fatigue experiment field, specifically the high-temperature ultra-long life-span fatigue experiment system based on induction heating.
Background technology
Fatigue at high temperature refers to that material or member are subject to the caused destruction of acting in conjunction of alterante stress and high-temperature oxydation under the condition higher than room temperature.In production, there are many device parts to be operated under high temperature and alternate load effect, as impeller and the aero-engine compressor blade of gas turbine, the nuclear power station high-temperature component, high temperature pressure vessel pipeline etc., and also these parts in the phase, bear 10 at long service
9the above pulsating stress of even more cycle.The high-temperature heating scheme that Chinese patent CN202256076U adopts is the airtight heating of high-temperature cabinet, and because heating cabinet is the system of sealing, and volume is larger, can only do constant temperature or alternating temperature experiment at a slow speed, is difficult to realize the experiment of quick changeable temperature.
The utility model content
The utility model provides the fatigue experiment system of the high-temperature ultra-long life-span based on induction heating, and the heating cabinet volume that has solved high-temperature ultra-long life-span fatigue experiment system in the past is larger, can only do constant temperature or alternating temperature experiment at a slow speed, is difficult to realize the problem of quick changeable temperature experiment.
The utility model is that the technical solution problem is achieved through the following technical solutions: the high-temperature ultra-long life-span fatigue experiment system based on induction heating, comprise computing machine, supersonic signal generator, piezoelectric transducer, displacement amplifier, extension rod, fixed support, computing machine, supersonic signal generator realizes that with piezoelectric transducer signal is connected successively, piezoelectric transducer, displacement amplifier and extension rod are fixedly connected sequentially, and piezoelectric transducer is fixed on fixed support, also comprise the induction heater be arranged on fixed support, be connected with inductive coil on described induction heater, described inductive coil is positioned at the below of extension rod.Computing machine is for controlling supersonic signal generator, make the ultrasonic sine wave signal of its output 20KHz, piezoelectric transducer converts this ultrasonic sine wave signal to mechanical oscillation signal, then displacement amplifier is by the vibration displacement Amplitude amplification of this mechanical oscillation signal, finally, by the output extensional vibration displacement of extension rod end, realize that Rapid Circulation loads; More than existing fatigue tester existing structure and test philosophy, traditional fatigue at high temperature experiment adopts the high-temperature heating case to realize, but the high-temperature heating case can't be realized quick changeable temperature, therefore this programme is in order to realize quick changeable temperature, increased induction heater on the original structure basis, by the inductive coil on induction heater, test specimen is heated, realized thus quick changeable temperature.
Further, as preferred version, the utility model also comprises temperature controller and infrared thermometer, and described temperature controller is connected with induction heater, computer realization signal respectively, described infrared thermometer is fixed on fixed support, and infrared thermometer is connected with the computer realization signal.Infrared thermometer carries out dynamic monitoring to the temperature of test specimen, and in real time by the temperature feedback of test specimen to computing machine, computing machine is according to Current Temperatures and target temperature, send corresponding steering order to temperature controller, and then the output power of control induction heater, finally the temperature of degree of realization test specimen is controlled.
Further, described infrared thermometer and induction heater are positioned at the same level height.
Further, described infrared thermometer and inductive coil are positioned at the same level height.
Further, as preferred version, the utility model also comprises circulating cooling water pipe, and an end of described circulating cooling water pipe penetrates in induction heater, and the other end passes induction heater.Because induction heater self can produce certain heat, if not cooling, induction heater may be because of overheated and burn out, and then affect the thermometric effect of infrared thermometer, therefore adopts recirculated cooling water to carry out cooling to induction heater.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model adopts induction heater to carry out heat temperature raising to test specimen, and because induction heating efficiency is higher, alternating temperature is controlled very fast, can reach 30 ℃/s, can carry out easily quick high-temp Very High Cycle fatigue experiment.
(2) the utility model passes through to increase infrared thermometer and temperature controller, has realized the Dynamic High-accuracy monitoring and control of temperature, and can monitor the temperature field distribution of whole test specimen.
(3) the utility model is by increasing circulating cooling water pipe, and the introducing recirculated cooling water carries out cooling to induction heater, and the heat of avoiding induction heater to produce exerts an influence to experimental result.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment:
As shown in Figure 1, the present embodiment comprises computing machine 1, supersonic signal generator 2, piezoelectric transducer 3, displacement amplifier 4, extension rod 5, fixed support 12, computing machine 1, supersonic signal generator 2 realizes that with piezoelectric transducer 3 signal is connected successively, piezoelectric transducer 3, displacement amplifier 4 is fixedly connected sequentially with extension rod 5, and piezoelectric transducer 3 is fixed on fixed support 12, in the time of experiment, test specimen 10 is fixed on to extension rod 5 lower ends, computing machine 1 is controlled supersonic signal generator 2, make the ultrasonic sine wave signal of its output 20KHz, piezoelectric transducer 3 converts this ultrasonic sine wave signal to mechanical oscillation signal, then displacement amplifier 4 is by the vibration displacement Amplitude amplification of this mechanical oscillation signal, finally by extension rod 5 end output extensional vibration displacements, realize that Rapid Circulation loads, in order to create the condition of high temperature, the present embodiment arranges induction heater 8 on fixed support 12, is connected with inductive coil 9 on induction heater 8, and inductive coil 9 is positioned at the below of extension rod 5, and, around the test specimen 10 of extension rod 5 belows, test specimen 10 is carried out to heat temperature raising.
For the ease of realizing the accurate control of temperature, as preferably, the present embodiment also comprises temperature controller 7 and infrared thermometer 6, temperature controller 7 respectively with induction heater 8, computing machine 1 realizes that signal connects, infrared thermometer 6 is fixed on fixed support 12, infrared thermometer 6 realizes that with computing machine 1 signal is connected, the temperature of 6 pairs of test specimens 10 of infrared thermometer is carried out dynamic monitoring, and in real time by the temperature feedback of test specimen 10 to computing machine 1, computing machine 1 is according to Current Temperatures and target temperature, send corresponding steering order to temperature controller 7, and then the output power of control induction heater 8, finally the temperature of degree of realization test specimen 10 is controlled.
As preferably, infrared thermometer 6 and the induction heater 8 of the present embodiment are positioned at the same level height.
As preferably, infrared thermometer 6 and the inductive coil 9 of the present embodiment are positioned at the same level height.
For fear of 8 pairs of thermometrics of induction heater, exert an influence, as preferably, the present embodiment increases circulating cooling water pipe 11, and an end of circulating cooling water pipe 11 penetrates in induction heater 8, and the other end passes induction heater 8, and induction heater 8 is cooled.
Principle of work of the present utility model: computing machine 1 is controlled supersonic signal generator 2, make the ultrasonic sine wave signal of its output 20KHz, piezoelectric transducer 3 converts this ultrasonic sine wave signal to mechanical oscillation signal, then displacement amplifier 4 is by the vibration displacement Amplitude amplification of this mechanical oscillation signal, finally, by extension rod 5 end output extensional vibration displacements, realize that Rapid Circulation loads; In addition, infrared thermometer 6 realizes that with computing machine 1 signal is connected, the temperature of 6 pairs of test specimens 10 of infrared thermometer is carried out dynamic monitoring, and in real time by the temperature feedback of test specimen 10 to computing machine 1, computing machine 1 is according to Current Temperatures and target temperature, send corresponding steering order to temperature controller 7, and then control the output power of induction heater 8, finally the temperature of degree of realization test specimen 10 is controlled.
The utility model is illustrated by above-described embodiment, but should be understood that, above-described embodiment is the purpose for giving an example and illustrating just, but not is intended to the utility model is limited in described scope of embodiments.In addition; it will be understood by those skilled in the art that; the utility model is not limited to above-described embodiment, according to instruction of the present utility model, can also make more kinds of variants and modifications, and these variants and modifications all drop in the utility model scope required for protection.
Claims (5)
1. the high-temperature ultra-long life-span fatigue experiment system based on induction heating, comprise computing machine (1), supersonic signal generator (2), piezoelectric transducer (3), displacement amplifier (4), extension rod (5), fixed support (12), computing machine (1), supersonic signal generator (2) realizes that with piezoelectric transducer (3) signal is connected successively, piezoelectric transducer (3), displacement amplifier (4) is fixedly connected sequentially with extension rod (5), and piezoelectric transducer (3) is fixed on fixed support (12), it is characterized in that: also comprise the induction heater (8) be arranged on fixed support (12), be connected with inductive coil (9) on described induction heater (8), described inductive coil (9) is positioned at the below of extension rod (5).
2. the high-temperature ultra-long life-span fatigue experiment system based on induction heating according to claim 1, it is characterized in that: also comprise temperature controller (7) and infrared thermometer (6), described temperature controller (7) realizes that with induction heater (8), computing machine (1) signal is connected respectively, it is upper that described infrared thermometer (6) is fixed on fixed support (12), and infrared thermometer (6) realizes that with computing machine (1) signal is connected.
3. the high-temperature ultra-long life-span fatigue experiment system based on induction heating according to claim 2 is characterized in that: described infrared thermometer (6) is positioned at the same level height with induction heater (8).
4. the high-temperature ultra-long life-span fatigue experiment system based on induction heating according to claim 2 is characterized in that: described infrared thermometer (6) is positioned at the same level height with inductive coil (9).
5. the high-temperature ultra-long life-span fatigue experiment system based on induction heating according to claim 1, it is characterized in that: also comprise circulating cooling water pipe (11), one end of described circulating cooling water pipe (11) penetrates in induction heater (8), and the other end passes induction heater (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320477008 CN203365257U (en) | 2013-08-06 | 2013-08-06 | High-temperature and super-long service life fatigue experiment system based on induction heating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320477008 CN203365257U (en) | 2013-08-06 | 2013-08-06 | High-temperature and super-long service life fatigue experiment system based on induction heating |
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| CN203365257U true CN203365257U (en) | 2013-12-25 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698098A (en) * | 2013-12-27 | 2014-04-02 | 天津航天瑞莱科技有限公司苏州分公司 | Heat engine coupling combined environment testing method and system |
| CN104614228A (en) * | 2014-12-19 | 2015-05-13 | 西南交通大学 | A device for testing ultrasonic vibration extra-long life fatigue of a material under a high-pressure state |
| CN105510443A (en) * | 2015-12-28 | 2016-04-20 | 四川大学 | Low-temperature ultrasonic vibration fatigue experiment system |
| CN105784515A (en) * | 2015-12-08 | 2016-07-20 | 四川大学 | Vacuum ultrasonic vibration fatigue experimental system |
| CN106404566A (en) * | 2016-12-13 | 2017-02-15 | 天津旁耘科技有限公司 | Bed fatigue test controller for light, mechanical and electronic integration medical instrument |
| CN111024349A (en) * | 2019-12-23 | 2020-04-17 | 北京工业大学 | High-temperature multi-axis vibration fatigue test method |
| CN111879635A (en) * | 2020-07-31 | 2020-11-03 | 天津中德应用技术大学 | Ultrasonic fatigue test specimen heating system |
| CN112666018A (en) * | 2020-11-03 | 2021-04-16 | 四川大学 | Ultrasonic frequency mechanical loading fatigue test system for dissimilar metal welded joint |
| CN113804379A (en) * | 2021-08-20 | 2021-12-17 | 北京工业大学 | Composite material ultra-high temperature vibration fatigue test method |
| CN115266434A (en) * | 2022-09-26 | 2022-11-01 | 常州岚玥新材料科技有限公司 | Carbon-carbon composite material anti-fatigue detection equipment |
-
2013
- 2013-08-06 CN CN 201320477008 patent/CN203365257U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698098A (en) * | 2013-12-27 | 2014-04-02 | 天津航天瑞莱科技有限公司苏州分公司 | Heat engine coupling combined environment testing method and system |
| CN104614228A (en) * | 2014-12-19 | 2015-05-13 | 西南交通大学 | A device for testing ultrasonic vibration extra-long life fatigue of a material under a high-pressure state |
| CN105784515A (en) * | 2015-12-08 | 2016-07-20 | 四川大学 | Vacuum ultrasonic vibration fatigue experimental system |
| CN105510443A (en) * | 2015-12-28 | 2016-04-20 | 四川大学 | Low-temperature ultrasonic vibration fatigue experiment system |
| CN106404566A (en) * | 2016-12-13 | 2017-02-15 | 天津旁耘科技有限公司 | Bed fatigue test controller for light, mechanical and electronic integration medical instrument |
| CN111024349A (en) * | 2019-12-23 | 2020-04-17 | 北京工业大学 | High-temperature multi-axis vibration fatigue test method |
| CN111879635A (en) * | 2020-07-31 | 2020-11-03 | 天津中德应用技术大学 | Ultrasonic fatigue test specimen heating system |
| CN112666018A (en) * | 2020-11-03 | 2021-04-16 | 四川大学 | Ultrasonic frequency mechanical loading fatigue test system for dissimilar metal welded joint |
| CN113804379A (en) * | 2021-08-20 | 2021-12-17 | 北京工业大学 | Composite material ultra-high temperature vibration fatigue test method |
| CN113804379B (en) * | 2021-08-20 | 2024-04-02 | 北京工业大学 | Composite material ultra-high temperature vibration fatigue test method |
| CN115266434A (en) * | 2022-09-26 | 2022-11-01 | 常州岚玥新材料科技有限公司 | Carbon-carbon composite material anti-fatigue detection equipment |
| CN115266434B (en) * | 2022-09-26 | 2022-11-29 | 常州岚玥新材料科技有限公司 | Carbon-carbon composite material anti-fatigue detection equipment |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20180806 |