CN113295309A - Strong X-ray pulse mechanical effect testing device based on point emission source - Google Patents
Strong X-ray pulse mechanical effect testing device based on point emission source Download PDFInfo
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- CN113295309A CN113295309A CN202110601697.8A CN202110601697A CN113295309A CN 113295309 A CN113295309 A CN 113295309A CN 202110601697 A CN202110601697 A CN 202110601697A CN 113295309 A CN113295309 A CN 113295309A
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- ray pulse
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 230000000694 effects Effects 0.000 title claims abstract description 31
- 239000013307 optical fiber Substances 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003471 anti-radiation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses a strong X-ray pulse mechanical effect testing device based on a point emission source, which comprises a testing channel, wherein the testing channel comprises a testing cylinder, a sample box and a collimating lens, the sample box is arranged at the end part of the testing cylinder, the collimating lens is positioned in the testing cylinder, the sample box is used for placing a sample to be tested, the collimating lens is opposite to the sample box, and the collimating lens is connected with an optical fiber box through an optical fiber. The invention has the beneficial effects that: the mechanical effect generated by strong X-ray irradiation on the material is detected by adopting an optical method, the anti-interference capability is strong, the response of the multi-channel material can be measured simultaneously, and the test efficiency is high.
Description
Technical Field
The invention relates to the technical field of ray pulse, in particular to a strong X-ray pulse mechanical effect testing device based on a point emission source.
Background
The strong X-ray pulse irradiation can generate mechanical effect on the material, namely physical damage such as cracks, holes and the like are formed on the surface of the device. The method can accurately evaluate the mechanical effect of the strong X-ray pulse, and has very important effect on the anti-radiation reinforcement design of the equipment.
In the prior art, the mechanical effect of a testing device is tested based on the piezoelectric effect principle, the piezoelectric device and a transmission line thereof are subjected to irradiation interference under strong X-ray irradiation, strong X-ray induced current is generated, and the accurate measurement of the mechanical effect is seriously interfered.
Disclosure of Invention
In view of the above, the present invention provides a strong X-ray pulse mechanical effect testing apparatus based on a point emission source, so as to solve the technical problems pointed out in the background art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a strong X ray pulse mechanics effect testing arrangement based on point sends the source, its key lies in: the test device comprises a test channel, wherein the test channel comprises a test barrel, a sample box arranged at the end part of the test barrel and a collimating lens positioned inside the test barrel, the sample box is used for placing a sample to be tested, the collimating lens is opposite to the sample box, and the collimating lens is connected with an optical fiber box through an optical fiber.
By adopting the structure, the X-ray pulse radiation source is arranged at a far position of the central line of the test cylinder, the detection laser enters the test cylinder from the optical fiber, irradiates on a test sample through the collimating lens, and then is reflected back to the optical fiber and enters the optical fiber box to be recorded. When X-ray is irradiated on a test sample, a mechanical effect is generated, so that the phase of the detection laser is changed, and the mechanical effect parameters generated by the X-ray can be obtained by measuring the change of optical signals. The method detects the mechanical effect generated by strong X-ray irradiation on the sample through the optical principle, and has stronger anti-interference capability.
Preferably, the method comprises the following steps: still include shielding baffle, two are no less than to the test passage, each the test passage is along shielding baffle's circumference edge array distribution. The testing device is characterized in that a conical barrel is installed on one side of the shielding baffle, a supporting pipe is installed on the other side of the shielding baffle, a laser is arranged in the supporting pipe, a laser beam emitted by the laser can be emitted out from the end portion of the conical barrel, the testing barrel is adjustably assembled on the shielding baffle through a base, and the base can be adjusted to change the installation angle of the testing barrel. By adopting the structure, the response of the multi-channel material can be measured simultaneously, and the test efficiency is high.
Preferably, the method comprises the following steps: the shielding baffle is a circular plate, and the conical cylinder, the supporting tube and the laser are all arranged on the axis of the shielding baffle. Adopt above-mentioned structure to installation is convenient for.
Preferably, the method comprises the following steps: the optical fiber comprises an inner transmission optical fiber section and an outer transmission optical fiber section, the inner transmission optical fiber section is located inside the testing cylinder, the outer transmission optical fiber section is located outside the testing cylinder, an optical fiber connector is installed at one end, far away from the sample box, of the testing cylinder, and the inner transmission optical fiber section is connected with the outer transmission optical fiber section through the optical fiber connector. The structure is adopted, so that the assembly is convenient.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the strong X-ray pulse mechanical effect testing device based on the point emission source, which is provided by the invention, the mechanical effect generated on the material by strong X-ray irradiation is detected by adopting an optical method, the anti-interference capability is strong, the response of a multi-channel material can be measured simultaneously, and the testing efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of a mechanical effect testing device with multiple groups of testing channels;
FIG. 2 is a schematic diagram of a single test channel;
FIG. 3 is a schematic diagram showing the distribution of a plurality of sets of test channels on a shielding baffle.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 and 2, the strong X-ray pulse mechanical effect testing device based on the point emission source comprises at least one testing channel a, wherein the single testing channel a relates to the following main components: the test tube 5, the sample box 11, collimating lens 12, wherein the one end tip at the test tube 5 is installed to sample box 11, collimating lens 12 sets up inside the test tube 5, and just right with sample box 11, collimating lens 12 has optical fiber box 10 through fiber connection, in this embodiment, optic fibre comprises interior transmission optical fiber section 13 and outer transmission optical fiber section 8, wherein, interior transmission optical fiber section 13 is located inside the test tube 5, outer transmission optical fiber section 8 is located outside the test tube 5, optical fiber splice 6 is installed at the one end of keeping away from sample box 11 to the test tube 5, connect through optical fiber splice 6 between interior transmission optical fiber section 13 and the outer transmission optical fiber section 8.
After the sample 14 is placed in the sample box 11, the X-ray pulse radiation source 9 is arranged at a position far from the axial direction of the test cylinder 5, and the X-ray irradiation on the sample 14 can cause the sample 14 to show a mechanical effect. The detection laser enters the test cylinder 5 through the optical fiber box 10, the outer transmission optical fiber section 8 and the optical fiber connector 6, irradiates a sample 14 through the collimating lens 12, then is reflected back to the inner transmission optical fiber section 13, enters the optical fiber box 10 through the optical fiber connector 6 and the outer transmission optical fiber section 8 and is recorded, the phase of the detection laser is changed due to the fact that the sample 14 generates a mechanical effect through the X-ray pulse radiation source 9, and mechanical effect parameters generated by the X-ray can be obtained through the change of an optical signal measured by external equipment. The method detects the mechanical effect generated on the sample 14 by the strong X-ray irradiation through an optical method, and has the technical advantage of strong anti-interference capability.
As shown in fig. 1 and 3, the testing apparatus provided in this embodiment further includes a shielding baffle B, the number of the testing channels a is eight, the eight testing channels a are distributed along the circumferential edge array of the shielding baffle B, the tapered tube 1 is installed on one side of the shielding baffle B, the supporting tube 2 is installed on the other side, the laser 7 is arranged in the supporting tube 2, the laser beam 71 emitted by the laser 7 can be emitted from the end of the tapered tube 1, the base 4 is sleeved on one end of the testing tube 5, which is far away from the sample box 11, the base 4 is adjustably assembled on the shielding baffle B, and the pointing angle of the testing tube 5 can be changed by adjusting the installation inclination angle of the base 4.
The laser beam 71 emitted by the laser 7 can be used for device collimation, specifically: the X-ray pulse radiation source 9 is arranged at a far position of the central line of the conical cylinder 1, after a laser beam 71 irradiates the X-ray pulse radiation source 9 through a small hole at the end part of the conical cylinder 1, the distance between the conical cylinder 1 and the X-ray pulse radiation source 9 is adjusted to a preset value, the inclination angle of each conical cylinder 1 is adjusted, and the axial line of each conical cylinder 1 is enabled to point to the X-ray pulse radiation source 9, so that the testing and positioning of the device can be realized.
The testing device with eight groups of testing channels A can measure the response of various materials simultaneously, and has the technical advantage of high testing efficiency. And all the test samples can be ensured to be arranged at the positions equidistant from the X-ray pulse radiation source 9 through collimation adjustment, and the radiation intensity is uniform and consistent.
In this embodiment, the base 4 can be rotatably connected to the shielding baffle B by a spherical hinge, so as to facilitate quick adjustment of the pointing angle of the cone 1.
As shown in fig. 1 and 3, for the convenience of assembly, the shielding plate B provided in this embodiment is preferably a circular plate, and the conical cylinder 1, the support tube 2 and the laser 7 are all mounted on the axis of the shielding plate B. In order to ensure the structural integrity of the testing device, one end of the supporting tube 2 far away from the shielding baffle B is fixed on the optical fiber box 10.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a strong X ray pulse mechanics effect testing arrangement based on send source a little which characterized in that: including test channel (A), test channel (A) is including test section of thick bamboo (5), install sample box (11) at test section of thick bamboo (5) tip to and be located inside collimating lens (12) of test section of thick bamboo (5), wherein, sample box (11) are used for placing sample (14) of awaiting measuring, collimating lens (12) with sample box (11) just right, collimating lens (12) have optic fibre box (10) through fiber connection.
2. The strong X-ray pulse mechanical effect testing device based on point emission source according to claim 1, characterized in that: the test device is characterized by further comprising a shielding baffle (B), wherein the number of the test channels (A) is not less than two, and each test channel (A) is distributed along the circumferential edge array of the shielding baffle (B).
3. The strong X-ray pulse mechanical effect testing device based on point emission source according to claim 2, characterized in that: a cone-shaped cylinder (1) is installed on one side of the shielding baffle plate (B), a supporting pipe (2) is installed on the other side of the shielding baffle plate (B), a laser (7) is arranged in the supporting pipe (2), a laser beam (71) emitted by the laser (7) can be emitted from the end portion of the cone-shaped cylinder (1), the testing cylinder (5) is adjustably assembled on the shielding baffle plate (B) through a base (4), and the mounting angle of the testing cylinder (5) can be changed through the base (4).
4. The strong X-ray pulse mechanical effect testing device based on the point emission source according to claim 3, characterized in that: the shielding baffle (B) is a circular plate, and the conical cylinder (1), the supporting tube (2) and the laser (7) are all installed on the axis of the shielding baffle (B).
5. The strong X-ray pulse mechanical effect testing device based on the point emission source according to claim 3, characterized in that: one end of the supporting tube (2) far away from the shielding baffle (B) is fixed on the optical fiber box (10).
6. The strong X-ray pulse mechanical effect testing device based on the point emission source according to claim 3, characterized in that: one end of the testing cylinder (5) far away from the sample box (11) is sleeved on the base (4) in a threaded manner.
7. The strong X-ray pulse mechanical effect testing device based on point emission source according to claim 1, characterized in that: the optical fiber comprises an inner transmission optical fiber section (13) located inside the testing cylinder (5) and an outer transmission optical fiber section (8) located outside the testing cylinder (5), an optical fiber connector (6) is installed at one end, far away from the sample box (11), of the testing cylinder (5), and the inner transmission optical fiber section (13) and the outer transmission optical fiber section (8) are connected through the optical fiber connector (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110601697.8A CN113295309B (en) | 2021-05-31 | 2021-05-31 | Strong X-ray pulse mechanical effect testing device based on point emission source |
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| CN202110601697.8A CN113295309B (en) | 2021-05-31 | 2021-05-31 | Strong X-ray pulse mechanical effect testing device based on point emission source |
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| CN113295309B CN113295309B (en) | 2022-06-07 |
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|---|---|---|---|---|
| EP0420692A2 (en) * | 1989-09-29 | 1991-04-03 | Kabushiki Kaisha Toshiba | Nonlinear optical crystal damage measuring method and damage recovering apparatus |
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| CN1826518A (en) * | 2003-06-19 | 2006-08-30 | 麻省理工学院 | System and method for measuring phase |
| CN101726496A (en) * | 2008-10-24 | 2010-06-09 | 中国科学院微电子研究所 | Optical system for representing interfacial characteristics of silicon and silicon dioxide and method |
| DE102009005972A1 (en) * | 2009-01-23 | 2010-10-07 | Laser-Laboratorium Göttingen eV | Creating a periodic pattern on or in a processing substrate, comprises exposing the processing substrate to an interfering radiation field, which forms itself in a space area by interacting partial fields of different diffraction orders |
| CN103076287A (en) * | 2013-01-25 | 2013-05-01 | 中国人民解放军陆军军官学院 | Method for detecting damage of first wall of tokamak fusion reactor with polarized light |
| JP2015072171A (en) * | 2013-10-02 | 2015-04-16 | 三菱重工業株式会社 | X-ray stress measurement method and x-ray stress measurement apparatus |
| CN108594289A (en) * | 2018-07-19 | 2018-09-28 | 中国工程物理研究院激光聚变研究中心 | Fiber coupling Reflection X-ray pulse detection device |
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2021
- 2021-05-31 CN CN202110601697.8A patent/CN113295309B/en active Active
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| DE102009005972A1 (en) * | 2009-01-23 | 2010-10-07 | Laser-Laboratorium Göttingen eV | Creating a periodic pattern on or in a processing substrate, comprises exposing the processing substrate to an interfering radiation field, which forms itself in a space area by interacting partial fields of different diffraction orders |
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