CN201298003Y - Low-temperature device for fatigue crack test - Google Patents
Low-temperature device for fatigue crack test Download PDFInfo
- Publication number
- CN201298003Y CN201298003Y CNU2008201779569U CN200820177956U CN201298003Y CN 201298003 Y CN201298003 Y CN 201298003Y CN U2008201779569 U CNU2008201779569 U CN U2008201779569U CN 200820177956 U CN200820177956 U CN 200820177956U CN 201298003 Y CN201298003 Y CN 201298003Y
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- temperature
- low
- environmental chamber
- low temperature
- vacuum pump
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Abstract
The utility model relates to a low-temperature device for fatigue crack test, which belongs to the technology of fatigue crack tests and relates to the improvement on the low-temperature device for fatigue crack test. The low-temperature device for fatigue crack test comprises a temperature sensor [5] and a temperature controller [3], and is characterized in that the low-temperature device comprises the temperature sensor [5], the temperature controller [3], a low temperature environmental chamber [1], a vacuum pump [2] and a cold source [4]. The utility model can achieve lower test temperature, has higher temperature control accuracy and meets the requirements of engineering tests.
Description
Technical field
The utility model belongs to the fatigue break measuring technology, relates to the improvement to fatigue break test for low temperature device.
Background technology
At present, the Cryo Equipment of fatigue break test adopts dry ice refrigeration or semiconductor cooling device more, and its shortcoming is: the temperature range of low temperature is less, generally about 0～-40 ℃.The temperature-controlled precision of these devices is relatively poor in addition.And in engineering, often need lower test temperature and the temperature-controlled precision of Geng Gao.
Summary of the invention
The purpose of this utility model is: propose a kind of Cryo Equipment that is used for the fatigue break test that can reach lower test temperature and Geng Gao temperature-controlled precision, to satisfy the needs of engineering test.
The technical solution of the utility model is: a kind of Cryo Equipment that is used for the fatigue break test, comprise a temperature sensor and temperature controller, it is characterized in that Cryo Equipment is made up of temperature sensor, temperature controller, environmental chamber at low temperature, vacuum pump and low-temperature receiver; Environmental chamber at low temperature is a casing that is made of the double Shell that has chamber door, cavity between the double Shell of environmental chamber at low temperature vacuumizes, temperature sensor is installed in the environmental chamber at low temperature, draw output lead by the pinout connector that is fixed on the low temperature environment box body, this output lead is connected with the input end of temperature controller, on the low temperature environment box body, be fixed with the low-temperature receiver joint that is communicated with the inner chamber of environmental chamber at low temperature, this low-temperature receiver joint is communicated with low-temperature receiver by pipeline, on the low temperature environment box body, be fixed be communicated with the inner chamber of environmental chamber at low temperature vacuum pump adapter, this vacuum pump adapter is communicated with the bleeding point of vacuum pump by pipeline; The output terminal of temperature controller is connected with the control end of vacuum pump.
The utility model has the advantages that: can reach lower test temperature, and have higher temperature-controlled precision, satisfy the needs of engineering test.Test temperature of the present utility model can reach below-120 ℃, and test accuracy improves greatly.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below the utility model is described in further details.Referring to Fig. 1, a kind of Cryo Equipment that is used for the fatigue break test comprises a temperature sensor 5 and temperature controller 3, it is characterized in that Cryo Equipment is made up of temperature sensor 5, temperature controller 3, environmental chamber at low temperature 1, vacuum pump 2 and low-temperature receiver 4; Environmental chamber at low temperature 1 is a casing that is made of the double Shell that has chamber door, cavity between the double Shell of environmental chamber at low temperature 1 vacuumizes, temperature sensor 5 is installed in the environmental chamber at low temperature 1, draw output lead by the pinout connector 1c that is fixed on environmental chamber at low temperature 1 casing, this output lead is connected with the input end of temperature controller 3, on environmental chamber at low temperature 1 casing, be fixed with the low-temperature receiver joint 1a that is communicated with the inner chamber of environmental chamber at low temperature 1, this low-temperature receiver joint 1a is communicated with low-temperature receiver 4 by pipeline, on environmental chamber at low temperature 1 casing, be fixed be communicated with the inner chamber of environmental chamber at low temperature 1 vacuum pump adapter 1b, this vacuum pump adapter 1b is communicated with by the bleeding point of pipeline with vacuum pump 2; The output terminal of temperature controller 3 is connected with the control end of vacuum pump 2.
Principle of work of the present utility model is: during test, open the chamber door of environmental chamber at low temperature 1, close chamber door after will being put into environmental chamber at low temperature 1 by testpieces, energized, vacuum pump 2 is from the interior chamber pumping of environmental chamber at low temperature 1, low-temperature receiver 4 interior cold medium are entered in the environmental chamber at low temperature 1 lower the temperature, when the temperature in the environmental chamber at low temperature 1 reached the design temperature of temperature controller 3, vacuum pump 2 quit work.Low-temperature receiver 4 is low-temperature (low temperature) vessels such as liquid nitrogen container, and vacuum pump 2 and temperature controller 3 are finished parts.
Claims (1)
1, a kind of Cryo Equipment that is used for the fatigue break test, comprise a temperature sensor [5] and temperature controller [3], it is characterized in that Cryo Equipment is made up of temperature sensor [5], temperature controller [3], environmental chamber at low temperature [1], vacuum pump [2] and low-temperature receiver [4]; Environmental chamber at low temperature [1] is a casing that is made of the double Shell that has chamber door, cavity between the double Shell of environmental chamber at low temperature [1] vacuumizes, temperature sensor [5] is installed in the environmental chamber at low temperature [1], draw output lead by the pinout connector [1c] that is fixed on environmental chamber at low temperature [1] casing, this output lead is connected with the input end of temperature controller [3], on environmental chamber at low temperature [1] casing, be fixed with the low-temperature receiver joint [1a] that is communicated with the inner chamber of environmental chamber at low temperature [1], this low-temperature receiver joint [1a] is communicated with low-temperature receiver [4] by pipeline, on environmental chamber at low temperature [1] casing, be fixed be communicated with the inner chamber of environmental chamber at low temperature [1] vacuum pump adapter [1b], this vacuum pump adapter [1b] is communicated with by the bleeding point of pipeline with vacuum pump [2]; The output terminal of temperature controller [3] is connected with the control end of vacuum pump [2].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201779569U CN201298003Y (en) | 2008-11-18 | 2008-11-18 | Low-temperature device for fatigue crack test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201779569U CN201298003Y (en) | 2008-11-18 | 2008-11-18 | Low-temperature device for fatigue crack test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298003Y true CN201298003Y (en) | 2009-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201779569U Expired - Lifetime CN201298003Y (en) | 2008-11-18 | 2008-11-18 | Low-temperature device for fatigue crack test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298003Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879364A (en) * | 2010-07-06 | 2010-11-10 | 北京化工大学 | Device and method for indirectly testing performance of fire detection tube |
| CN102645377A (en) * | 2012-04-19 | 2012-08-22 | 中国科学院理化技术研究所 | Fatigue performance testing device for 4.2-300K temperature zone |
| CN102944464A (en) * | 2012-09-24 | 2013-02-27 | 大连理工大学 | Visual cryogenic mechanical testing device |
| CN103076221A (en) * | 2013-01-12 | 2013-05-01 | 南昌航空大学 | Device for testing mechanical property of material at low temperature |
| CN105784515A (en) * | 2015-12-08 | 2016-07-20 | 四川大学 | Vacuum ultrasonic vibration fatigue experimental system |
| CN113253361A (en) * | 2021-04-14 | 2021-08-13 | 哈尔滨工业大学 | Testing device for extreme low-temperature physical properties of lunar soil water ice |
-
2008
- 2008-11-18 CN CNU2008201779569U patent/CN201298003Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879364A (en) * | 2010-07-06 | 2010-11-10 | 北京化工大学 | Device and method for indirectly testing performance of fire detection tube |
| CN102645377A (en) * | 2012-04-19 | 2012-08-22 | 中国科学院理化技术研究所 | Fatigue performance testing device for 4.2-300K temperature zone |
| CN102944464A (en) * | 2012-09-24 | 2013-02-27 | 大连理工大学 | Visual cryogenic mechanical testing device |
| CN102944464B (en) * | 2012-09-24 | 2014-07-23 | 大连理工大学 | Visual cryogenic mechanical testing device |
| CN103076221A (en) * | 2013-01-12 | 2013-05-01 | 南昌航空大学 | Device for testing mechanical property of material at low temperature |
| CN105784515A (en) * | 2015-12-08 | 2016-07-20 | 四川大学 | Vacuum ultrasonic vibration fatigue experimental system |
| CN113253361A (en) * | 2021-04-14 | 2021-08-13 | 哈尔滨工业大学 | Testing device for extreme low-temperature physical properties of lunar soil water ice |
| CN113253361B (en) * | 2021-04-14 | 2024-04-26 | 哈尔滨工业大学 | Lunar soil water ice extreme low temperature physical property testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAN AVIATION POWER CO., LTD. Free format text: FORMER OWNER: XI'AN AERONAUSTIC ENGINE (GROUP) CO., LTD. Effective date: 20140526 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140526 Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: Xian Aviation Power Co., Ltd. Address before: 710021 Beijiao, Shaanxi province Xu Bay Patentee before: Xi' an Aero-Engine (Group) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |