CN114112310B - Method for analyzing state change of display screen during radiation immunity test by utilizing spectrum transformation - Google Patents
Method for analyzing state change of display screen during radiation immunity test by utilizing spectrum transformation Download PDFInfo
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- CN114112310B CN114112310B CN202111339488.7A CN202111339488A CN114112310B CN 114112310 B CN114112310 B CN 114112310B CN 202111339488 A CN202111339488 A CN 202111339488A CN 114112310 B CN114112310 B CN 114112310B
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- 238000001228 spectrum Methods 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000008859 change Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000009466 transformation Effects 0.000 title claims abstract description 20
- 230000005855 radiation Effects 0.000 title claims abstract description 19
- 230000036039 immunity Effects 0.000 title claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims abstract description 83
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 34
- 230000003595 spectral effect Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 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
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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- Spectrometry And Color Measurement (AREA)
Abstract
The application relates to a method for analyzing state change of a display screen during radiation immunity test by utilizing spectrum transformation, which comprises the following steps: step one: a plurality of optical fibers simultaneously penetrate through one side wall of the anechoic chamber, so that one end of the optical fibers, on which the optical fiber probes are arranged, is positioned outside the anechoic chamber; step two: placing the clamping device outside the anechoic chamber, so that the clamping device simultaneously clamps one end of the plurality of optical fibers extending out of the anechoic chamber; step three: placing a spectrum analyzer and measuring equipment outside the anechoic chamber, and enabling one end of the plurality of optical fibers, on which the optical fiber probes are arranged, to be aligned with the spectrum analyzer; step four: the spectrum analyzer and the measuring equipment are controlled by software, light emitted by the plurality of optical fiber probes passes through the spectrum analyzer, and the spectrum analyzer automatically records the light parameters and the color parameters at each frequency point; step five: and checking the change conditions of the optical parameters and the color parameters to judge whether the optical fiber is qualified. The application improves the detection efficiency of the optical fiber.
Description
Technical Field
The application relates to a method for testing a spectrum transformation analysis display screen, in particular to a method for utilizing the spectrum transformation analysis display screen to change state during radiation immunity test.
Background
The optical fiber is the foremost part of the received signal in the optical fiber sensor. The quality of the optical fiber has a great influence on the optical fiber sensor. And the quality of the fiber is generally closely related to optical, color, electrical parameters, etc.
In the related art, in the process of testing the related parameters of the optical fiber, the optical fiber is generally arranged in an anechoic chamber, a signal source sent by the optical fiber is amplified, interference signals with different frequency bands are sent to the signal source of the lamp through an antenna, and whether the working state of the lamp is normal or not is observed. The intensity of the optical fiber emitted by the optical fiber under the interference condition of different voltages is detected by the illuminometer.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: since the quality of the optical fiber is generally closely related to optical parameters, color parameters, electrical parameters, etc., if the signal of the lamp is tested only by the change of voltage, many parameters cannot be intuitively seen, and meanwhile, the overall detection efficiency is reduced due to the long period of each measurement.
Disclosure of Invention
In order to improve the detection efficiency of the optical fiber, the application provides a method for analyzing the state change of the display screen during the radiation disturbance rejection test by utilizing spectral transformation.
The method for analyzing the state change of the display screen during the radiation immunity test by utilizing the spectrum transformation adopts the following technical scheme:
a method for analyzing a state change of a display screen during a radiation immunity test using spectral transformation, comprising the steps of:
Step one: a plurality of optical fibers simultaneously penetrate through one side wall of the anechoic chamber, so that one end of the optical fibers, on which the optical fiber probes are arranged, is positioned outside the anechoic chamber;
Step two: placing a clamping device outside the anechoic chamber, so that the clamping device simultaneously clamps one end of a plurality of optical fibers extending out of the anechoic chamber;
Step three: placing a spectrum analyzer and measuring equipment outside the anechoic chamber, and enabling one end of the plurality of optical fibers, on which the optical fiber probes are arranged, to be aligned with the spectrum analyzer;
Step four: the spectrum analyzer and the measuring equipment are controlled by software, light emitted by the optical fiber probes passes through the spectrum analyzer, and the spectrum analyzer automatically records light parameters and color parameters at each frequency point;
Step five: and checking the change conditions of the optical parameters and the color parameters, and comparing the optical parameters with the color parameters so as to judge whether the optical fiber is qualified.
By adopting the technical scheme, a worker places the clamping device outside the electric wave suggestion, the worker is convenient to clamp a plurality of optical fibers simultaneously in the process of detecting the optical fiber parameters, the optical fiber probes on the optical fibers are aligned to the spectrum analyzer, the spectrum analyzer automatically records the optical parameters and the color parameters of each frequency point, the worker directly observes and observes the numerical value change condition of the optical parameters and the color parameters through the spectrum analyzer, if the numerical values of the optical parameters and the color parameters are not changed, the quality of the optical fibers is qualified, and if the numerical values of the optical parameters and the color parameters are changed, the quality of the optical fibers is unqualified; compared with the testing method in the background technology, the optical fiber detection efficiency is improved.
Preferably, the clamping device comprises a support, a clamping mechanism and an adjusting mechanism; the clamping mechanism comprises a positioning rod and two clamping rods, wherein the positioning rod is fixed on the support, the two clamping rods are slidably arranged on the support, a plurality of first positioning grooves are formed in two side walls of the positioning rod, which face the clamping rods, respectively, a plurality of second positioning grooves are formed in the side walls of the two clamping rods, which face the positioning rods, respectively, and the first positioning grooves and the second positioning grooves are in one-to-one correspondence;
the adjusting mechanism is used for driving the two clamping rods to slide towards a direction approaching to or away from the positioning rod.
By adopting the technical scheme, a worker drives the two clamping rods to slide towards the directions away from each other through the adjusting mechanism, and then places one end of each optical fiber extending out of the anechoic chamber in the first positioning groove or the second positioning groove, so that the preliminary positioning of the optical fibers is realized; then the two clamping rods are driven to slide towards the direction close to each other through the adjusting mechanism, so that the two clamping rods and the positioning rod clamp a plurality of optical fibers simultaneously, the fixing of the plurality of optical fibers is realized simultaneously, and the quality of the plurality of optical fibers is convenient for the staff to detect simultaneously.
Preferably, the adjusting mechanism comprises two sliding pieces, an adjusting piece and a fastening piece; the two sliding parts are arranged on the support in a sliding manner, and the two clamping rods are respectively fixed on the two sliding parts; the adjusting piece slides and sets up in on the support, the adjusting piece is used for driving two the clamping lever is towards being close to each other or the direction of keeping away from each other slides, the fastener is used for fixing the adjusting piece.
Through adopting above-mentioned technical scheme, when the staff need adjust the distance between two clamping bars, at first remove the fixed action of fastener to the regulating part, through manual slip regulating part, the regulating part drives two sliders simultaneously towards being close to each other or the direction slip that keeps away from each other at gliding in-process to drive two clamping bars towards being close to each other or the direction slip that keeps away from each other, increased the convenience that the staff fixed many optic fibers.
Preferably, the support comprises a bearing block, a first support rod and a second support rod, wherein the bottom ends of the first support rod and the second support rod are fixedly connected with the bearing block;
The sliding piece comprises a driving inclined block, a sliding block and a mounting block, wherein the driving inclined block is respectively fixed at two ends of the sliding block in the mounting block; the first support rod is provided with a sliding groove, the two sliding blocks are in sliding fit with the sliding groove, the driving oblique block and the mounting block are respectively abutted to two sides of the first support rod, and the clamping rod is fixed on the mounting block;
the adjusting piece comprises a linkage block, two driving parts are fixedly arranged on the linkage block, driving grooves are formed in the inclined planes of the driving inclined blocks, and the two driving parts are respectively matched with the two driving grooves in a sliding mode.
By adopting the technical scheme, a worker slides the linkage block towards the direction approaching or far away from the first support rod, and slides and cooperates with the driving grooves on the two driving inclined blocks through the two driving parts on the linkage block, so that the two driving inclined blocks are driven to slide towards the direction approaching or far away from each other, the two driving inclined blocks respectively drive the two sliding parts to slide towards the direction approaching or far away from each other, and the two sliding parts respectively drive the two clamping rods to slide towards the direction approaching or far away from each other, so that the distance between the two clamping rods and the positioning rod is adjusted; because the driving oblique block and the mounting block are respectively abutted to the two sides of the first supporting rod, the driving oblique block and the mounting block have clamping effect on the first supporting rod, and the sliding stability of the sliding piece is improved.
Preferably, the adjusting piece further comprises an adjusting rod, and the adjusting rod is fixedly connected with the linkage block; the second support rod is provided with an adjusting hole, the adjusting rod penetrates through the adjusting hole, the adjusting rod is in sliding fit with the second support rod, and the fastener is used for fixing the adjusting rod on the second support rod.
By adopting the technical scheme, the adjusting hole has a guiding effect on the adjusting rod so that the adjusting rod slides towards a direction close to or far from the first supporting rod, and simultaneously, the two driving grooves respectively have a guiding effect on the two driving parts, thereby having a guiding effect on the two driving inclined blocks and further having a guiding effect on the linkage block; meanwhile, the linkage block is fixedly connected with the adjusting rod, so that the adjusting piece stably slides towards the direction close to or far away from the first supporting rod, and convenience in adjusting the distance between the two clamping rods by a worker is improved.
Preferably, the fastener comprises a screw rod, the screw rod is in threaded fit with the second supporting rod, and the end part of the screw rod is abutted to the adjusting rod.
Through adopting above-mentioned technical scheme, the staff passes through rotatory screw rod to make the screw rod towards being close to or keeping away from the direction removal of adjusting the pole, increased the convenience that the staff fixed the pole of adjusting.
Preferably, the fastener further comprises a knob, and the knob is fixedly connected with the screw rod.
Through adopting above-mentioned technical scheme, the staff rotates the screw rod through rotatory knob, compares in direct rotatory screw rod, has laborsaving effect.
Preferably, the clamping rod is fixedly provided with a fixing part, and the fixing part is provided with a guide groove; the installation block is fixedly provided with a guide part, the guide part is in sliding fit with the guide groove, a bolt is in threaded fit with the fixing part, and the end part of the bolt is abutted to the installation block.
Through adopting above-mentioned technical scheme, frictional force between bolt and the installation piece has fixed action to the fixed part to be fixed in the installation piece with the fixed part on, and then be fixed in the installation piece with the clamping lever on, the staff can slide two fixed parts along the length direction of guide part through relieving the fixed action of bolt to the fixed part, thereby adjusts the distance between two clamping levers to the locating lever.
Preferably, the clamping mechanism further comprises a sleeve, and the sleeve is sleeved at one end, far away from the support, of the clamping mechanism.
Through adopting above-mentioned technical scheme, after the staff passes through fixture with many optic fibre centre gripping, locates the sleeve cover in fixture one end of keeping away from the support, has increased the fastness of fixture centre gripping many optic fibre.
In summary, the present application includes at least one of the following beneficial technical effects:
The method comprises the steps that a worker places a clamping device outside an electric wave suggestion, the worker is convenient to clamp a plurality of optical fibers simultaneously in the process of detecting optical fiber parameters, an optical fiber probe on the plurality of optical fibers is aligned to a spectrum analyzer, the spectrum analyzer automatically records the optical parameters and color parameters of each frequency point, the worker directly observes and observes the numerical value change conditions of the optical parameters and the color parameters through the spectrum analyzer, if the numerical values of the optical parameters and the color parameters are not changed, the quality of the optical fibers is qualified, and if the numerical values of the optical parameters and the color parameters are changed, the quality of the optical fibers is unqualified; compared with the testing method in the background technology, the optical fiber detection efficiency is improved;
The staff drives the two clamping rods to slide towards the directions away from each other through the adjusting mechanism, and then the optical fibers extend out of one end of the anechoic chamber and are placed in the first positioning groove or the second positioning groove, so that the optical fibers are initially positioned; then the two clamping rods are driven to slide towards the directions close to each other through the adjusting mechanism, so that the two clamping rods and the positioning rod clamp a plurality of optical fibers at the same time, the plurality of optical fibers are fixed at the same time, and the quality of the plurality of optical fibers is convenient for workers to detect at the same time;
When the distance between two clamping rods needs to be adjusted by the staff, the fixing effect of the fastener on the adjusting piece is firstly relieved, the adjusting piece is manually slid, and the two sliding pieces are simultaneously driven to slide towards the directions close to each other or away from each other in the sliding process, so that the two clamping rods are driven to slide towards the directions close to each other or away from each other, and the convenience of fixing a plurality of optical fibers by the staff is improved.
Drawings
FIG. 1 is a schematic diagram of a system for testing state changes of a display screen during radiation immunity testing by using spectral transformation according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a clamping device according to an embodiment of the present application.
Fig. 3 is a schematic structural view of a clamping device according to another embodiment of the application.
Fig. 4 is a half cross-sectional view of a clamping device according to an embodiment of the application.
Reference numerals illustrate:
1. An anechoic chamber; 2. a spectrum analyzer; 3. a clamping device; 31. a support; 311. a bearing block; 312. a first support bar; 3121. a slip groove; 313. a second support bar; 3131. an adjustment aperture; 314. a reinforcing rod; 32. a clamping mechanism; 321. a positioning rod; 3211. a first positioning groove; 3212. a clamping block; 322. a clamping rod; 3221. a second positioning groove; 3222. a fixing part; 3223. a guide groove; 323. a sleeve; 33. an adjusting mechanism; 331. a slider; 3311. driving the inclined block; 3312. a sliding block; 3313. a mounting block; 3314. a driving groove; 3315. a guide part; 332. an adjusting member; 3321. a linkage block; 3322. an adjusting rod; 3323. a grip block; 3324. a driving section; 333. a fastener; 3331. a screw; 3332. a knob; 4. an optical fiber.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a testing system for testing the state change of a display screen during radiation immunity test by utilizing spectral transformation, which is used for testing the quality of an optical fiber 4. Referring to fig. 1, the test system includes an anechoic chamber 1, a spectrum analyzer 2, and a holding device 3. The clamping device 3 is located between the anechoic chamber 1 and the spectrum analyzer 2, one end of the optical fibers 4 is located in the anechoic chamber 1, one end of the optical fibers 4 provided with the optical fiber probes penetrates through one side wall of the anechoic chamber 1, and the clamping device 3 is used for clamping one end of the optical fibers 4 extending out of the anechoic chamber.
Referring to fig. 1 and 2, the clamping device 3 includes a support 31, a clamping mechanism 32 and an adjusting mechanism 33, the support 31 is fixed on the ground, the clamping mechanism 32 and the adjusting mechanism 33 are both mounted on the support 31, and the clamping mechanism 32 is used for clamping one end of the plurality of optical fibers 4 extending out of the anechoic chamber 1, so as to fix the plurality of optical fibers 4. The adjusting mechanism 33 is used for controlling the clamping mechanism 32, which increases the convenience for the staff to clamp the plurality of optical fibers 4.
Referring to fig. 2, the support 31 includes a bearing block 311, a first support bar 312, a second support bar 313, and a reinforcement bar 314, the bearing block 311 is horizontally disposed, and the bearing block 311 is fixed to the ground by two bolts. The first support rod 312 and the second support rod 313 extend along the vertical direction, the first support rod 312 is located between the anechoic chamber 1 and the second support rod 313, and the bottom ends of the first support rod 312 and the second support rod 313 are integrally formed with the bearing block 311. The reinforcing rod 314 extends along the horizontal direction, the top ends of the first supporting rod 312 and the second supporting rod 313 are respectively integrally formed with two ends of the reinforcing rod 314, and the reinforcing rod 314 connects the top ends of the first supporting rod 312 and the second supporting rod 313 together, so that the integral strength of the support 31 is increased.
Referring to fig. 2 and 3, the adjusting mechanism 33 includes two sliders 331, each slider 331 including a driving inclined block 3311, a sliding block 3312, and a mounting block 3313, the driving inclined block 3311 and the mounting block 3313 being integrally formed with both ends of the sliding block 3312, respectively. The first support bar 312 is provided with a sliding groove 3121 near the side wall of the second support bar 313, the sliding groove 3121 extends along the vertical direction, the top end of the sliding groove 3121 is flush with the lower surface of the reinforcing bar 314, and the bottom end of the sliding groove 3121 is flush with the upper surface of the bearing block 311. The two sliding blocks 3312 are in sliding fit with the sliding grooves 3121, the driving inclined block 3311 and the mounting block 3313 are respectively abutted to two sides of the first supporting rod 312, so that the sliding stability of the sliding piece 331 along the length direction of the first supporting rod 312 is increased, and meanwhile, the side wall of the driving inclined block 3311, which is close to the second supporting rod 313, is abutted to the side wall of the second supporting rod 313, so that the sliding stability of the sliding piece 331 is further increased.
Referring to fig. 3 and 4, the adjusting mechanism 33 further includes an adjusting member 332, where the adjusting member 332 includes a linkage block 3321, an adjusting rod 3322 and a holding block 3323, the sections of the two driving inclined blocks 3311 are all trapezoidal, the two driving inclined blocks 3311 are symmetrically arranged, the inclined planes of the two driving inclined blocks 3311, which are close to each other, are all provided with a driving groove 3314, the section of the driving groove 3314 is trapezoidal, and both ends of the driving groove 3314 are all provided with openings. The cross section of the linkage block 3321 is also trapezoid, two inclined planes of the linkage block 3321 are respectively abutted against the inclined planes of the two driving inclined blocks 3311, the driving parts 3324 are integrally formed on the two inclined planes of the linkage block 3321, the cross section of the driving part 3324 is trapezoid, and the two driving parts 3324 are respectively in sliding fit with the driving grooves 3314 on the two driving inclined blocks 3311.
With continued reference to fig. 3 and 4, the adjusting rod 3322 is integrally formed on the side wall of the linkage block 3321, which is close to the second supporting rod 313, the side wall of the second supporting rod 313, which is close to the linkage block 3321, is provided with an adjusting hole 3131, the adjusting rod 3322 passes through the adjusting hole 3131, the adjusting rod 3322 is slidingly matched with the first supporting rod 312, and the holding block 3323 is integrally formed on one end of the adjusting rod 3322, which is far from the linkage block 3321. By holding the holding block 3323, the operator drives the adjusting rod 3322 to slide in the adjusting hole 3131 through the holding block 3323, and the adjusting rod 3322 drives the linkage block 3321 to slide in a direction approaching or separating from the first supporting rod 312, so that the two driving inclined blocks 3311 slide in a direction approaching or separating from each other, and the two sliding pieces 331 slide in a direction approaching or separating from each other.
Referring to fig. 3, the adjusting mechanism 33 further includes a fastener 333, the fastener 333 includes a screw 3331 and a knob 3332, the knob 3332 is welded to one end of the screw 3331, one end of the screw 3331 away from the knob 3332 is in threaded engagement with the second support rod 313, and the end of the screw 3331 abuts against the adjusting rod 3322. The screw 3331 and the first support bar 312 have a clamping action on the adjusting bar 3322, so that the adjusting bar 3322 is fixed on the first support bar 312, thereby realizing the fixation of the two sliding pieces 331. In this embodiment, the knob 3332 is a wing nut, which is welded to the screw 3331. The worker rotates the screw 3331 by rotating the knob 3332, thereby saving labor.
With continued reference to fig. 3, the clamping mechanism 32 includes a positioning rod 321 and two clamping rods 322, the positioning rod 321 extends along a horizontal direction, one end of the positioning rod 321, which is close to the support 31, is integrally formed on a side wall of the first support rod 312, which is away from the second support rod 313, the two clamping rods 322 both extend along the horizontal direction, and one end of the two clamping rods 322, which is close to the support 31, is fixedly connected with the two sliding parts 331 respectively. The upper surface and the lower surface of the positioning rod 321 are provided with a plurality of first positioning grooves 3211, and the first positioning grooves 3211 are uniformly distributed at equal intervals along the length direction of the positioning rod 321. A plurality of second positioning grooves 3221 are formed in the side walls, close to the positioning rods 321, of the two clamping rods 322, and the second positioning grooves 3221 correspond to the first positioning grooves 3211 one by one. In this embodiment, the first positioning groove 3211 and the second positioning groove 3221 are arc-shaped grooves, and the first positioning groove 3211 and the second positioning groove 3221 are adapted to the outer side walls of the optical fibers 4, so that the firmness of the clamping mechanism 32 for clamping the optical fibers 4 is increased.
With continued reference to fig. 3, in order to increase the convenience of installing and dismantling the clamping rods 322 by the staff, one end of each clamping rod 322 close to the sliding piece 331 is provided with a fixing portion 3222 integrally, each fixing portion 3222 is provided with a guide groove 3223, both ends of each guide groove 3223 are provided with an opening, each mounting block 3313 is provided with a guide portion 3315, and the guide portions 3315 on the mounting blocks 3313 are in sliding fit with the guide grooves 3223 on the fixing portions 3222. Each fixing portion 3222 is threaded with two bolts, and the ends of the two bolts are abutted against the surfaces of the mounting blocks 3313, so that the two fixing portions 3222 are respectively fixed on the two mounting blocks 3313, and the two clamping rods 322 are respectively fixed on the two mounting blocks 3313. Not only increases the convenience of the staff in installing and removing the two clamping bars 322, but also facilitates the staff in adjusting the positions of the clamping bars 322 along the length direction of the guide portion 3315.
Referring to fig. 3 and 4, the clamping mechanism 32 further includes a sleeve 323, and the sleeve 323 is sleeved at an end of the clamping mechanism 32 away from the support 31. The sleeve 323 has a fixing effect on the positioning rod 321 and the two clamping rods 322, and the firmness of clamping the plurality of optical fibers 4 by the positioning rod 321 and the two clamping rods 322 is improved.
By adopting the structure, the method for analyzing the state change of the display screen during the radiation disturbance rejection test by utilizing the spectrum transformation comprises the following steps:
Step one: the optical fibers 4 penetrate through one side wall of the anechoic chamber 1 at the same time, so that one end of the optical fibers 4 provided with the optical fiber probe is positioned outside the anechoic chamber 1;
step two: placing the clamping device 3 outside the anechoic chamber 1, and placing the optical fiber 4 between the first positioning groove 3211 and the second positioning groove 3221 through one end of the anechoic chamber 1;
Step three: by pulling the adjusting member 332 in a direction away from the first supporting rod 312, the adjusting member 332 drives the two sliding members 331 to slide in a direction approaching each other, and the two sliding members 331 respectively drive the two clamping rods 322 to slide in a direction approaching the positioning rod 321, so that the two clamping rods 322 and the positioning rod 321 simultaneously clamp the plurality of optical fibers 4, thereby simultaneously realizing the fixation of the plurality of optical fibers 4;
Step four: placing the spectrum analyzer 2 and the measuring equipment outside the anechoic chamber 1, and aligning one end of the plurality of optical fibers 4, on which the optical fiber probes are arranged, with the spectrum analyzer 2;
Step five: controlling the spectrum analyzer 2 and the measuring equipment through software, wherein light emitted by a plurality of optical fiber probes passes through the spectrum analyzer 2, and the spectrum analyzer 2 automatically records light parameters and color parameters at each frequency point;
step five: and by checking the change conditions of the optical parameters and the color parameters and comparing the optical parameters with the color parameters, whether the optical fiber 4 is qualified or not is judged.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. A method for analyzing the state change of a display screen during a radiation immunity test by utilizing spectral transformation, comprising the steps of:
Step one: a plurality of optical fibers (4) penetrate through one side wall of the anechoic chamber (1) at the same time, so that one end of the optical fibers (4) provided with the optical fiber probe is positioned outside the anechoic chamber (1);
Step two: placing a clamping device (3) outside the anechoic chamber (1), and enabling the clamping device (3) to simultaneously clamp one end of the plurality of optical fibers (4) extending out of the anechoic chamber (1); the clamping device (3) comprises a support (31), a clamping mechanism (32) and an adjusting mechanism (33); the clamping mechanism (32) comprises a positioning rod (321) and two clamping rods (322), the positioning rod (321) is fixed on the support (31), the two clamping rods (322) are slidably arranged on the support (31), a plurality of first positioning grooves (3211) are formed in the two side walls of the positioning rod (321) facing the clamping rods (322), a plurality of second positioning grooves (3221) are formed in the two side walls of the two clamping rods (322) facing the positioning rod (321), and the first positioning grooves (3211) and the second positioning grooves (3221) are in one-to-one correspondence;
the adjusting mechanism (33) is used for driving the two clamping rods (322) to slide towards a direction approaching or separating from the positioning rod (321);
Step three: placing a spectrum analyzer (2) and measuring equipment outside the anechoic chamber (1), and aligning one end of the plurality of optical fibers (4) provided with the optical fiber probes with the spectrum analyzer (2);
Step four: the spectrum analyzer (2) and the measuring equipment are controlled through software, light emitted by a plurality of optical fiber probes passes through the spectrum analyzer (2), and the spectrum analyzer (2) automatically records light parameters and color parameters at each frequency point;
step five: and judging whether the optical fiber (4) is qualified or not by checking the change condition of the optical parameter and the color parameter and comparing the optical parameter with the color parameter.
2. A method for analyzing a state change of a display screen during a radiation immunity test using spectral transformation according to claim 1, wherein: the adjusting mechanism (33) comprises two sliding parts (331), an adjusting part (332) and a fastening part (333); the two sliding parts (331) are slidably arranged on the support (31), and the two clamping rods (322) are respectively fixed on the two sliding parts (331); the adjusting piece (332) is slidably arranged on the support (31), the adjusting piece (332) is used for driving the two clamping rods (322) to slide towards the directions approaching to each other or away from each other, and the fastening piece (333) is used for fixing the adjusting piece (332).
3. A method for analyzing a state change of a display screen during a radiation immunity test using spectral transformation according to claim 2, wherein: the support (31) comprises a bearing block (311), a first supporting rod (312) and a second supporting rod (313), wherein the bottom ends of the first supporting rod (312) and the second supporting rod (313) are fixedly connected with the bearing block (311);
The sliding piece (331) comprises a driving inclined block (3311), a sliding block (3312) and a mounting block (3313), wherein the driving inclined block (3311) is respectively fixed at two ends of the sliding block (3312) at the mounting block (3313); the first support rod (312) is provided with a sliding groove (3121), the two sliding blocks (3312) are in sliding fit with the sliding groove (3121), the driving inclined block (3311) and the mounting block (3313) are respectively abutted to the two sides of the first support rod (312), and the clamping rod (322) is fixed on the mounting block (3313);
The adjusting piece (332) comprises a linkage block (3321), two driving parts (3324) are fixedly arranged on the linkage block (3321), driving grooves (3314) are formed in inclined planes of the two driving inclined blocks (3311), and the two driving parts (3324) are respectively in sliding fit with the two driving grooves (3314).
4. A method of analyzing a state change of a display screen during a radiation immunity test using spectral transformation according to claim 3, wherein: the adjusting piece (332) further comprises an adjusting rod (3322), and the adjusting rod (3322) is fixedly connected with the linkage block (3321); the second support rod (313) is provided with an adjusting hole (3131), the adjusting rod (3322) penetrates through the adjusting hole (3131), the adjusting rod (3322) is in sliding fit with the second support rod (313), and the fastening piece (333) is used for fixing the adjusting rod (3322) on the second support rod (313).
5. A method for analyzing a state change of a display screen during a radiation immunity test using spectral transformation as recited in claim 4, wherein: the fastener (333) comprises a screw (3331), the screw (3331) is in threaded fit with the second supporting rod (313), and the end part of the screw (3331) is abutted on the adjusting rod (3322).
6. A method for analyzing a state change of a display screen during a radiation immunity test using spectral transformation as recited in claim 5, wherein: the fastener (333) further comprises a knob (3332), and the knob (3332) is fixedly connected with the screw (3331).
7. A method for analyzing a state change of a display screen during a radiation immunity test using spectral transformation as recited in claim 5, wherein: the adjusting rod (3322) is fixedly provided with a holding block (3323).
8. A method of analyzing a state change of a display screen during a radiation immunity test using spectral transformation according to claim 3, wherein: a fixing part (3222) is fixedly arranged on the clamping rod (322), and a guide groove (3223) is formed in the fixing part (3222); the mounting block (3313) is fixedly provided with a guide part (3315), the guide part (3315) is in sliding fit with the guide groove (3223), the fixing part (3222) is in threaded fit with a bolt, and the end part of the bolt is abutted to the mounting block (3313).
9. A method for analyzing a state change of a display screen during a radiation immunity test using spectral transformation according to claim 2, wherein: the clamping mechanism (32) further comprises a sleeve (323), and the sleeve (323) is sleeved at one end, far away from the support (31), of the clamping mechanism (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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