CN204314235U - For container or the check system of vehicle and the alignment system for this check system - Google Patents
For container or the check system of vehicle and the alignment system for this check system Download PDFInfo
- Publication number
- CN204314235U CN204314235U CN201420784654.3U CN201420784654U CN204314235U CN 204314235 U CN204314235 U CN 204314235U CN 201420784654 U CN201420784654 U CN 201420784654U CN 204314235 U CN204314235 U CN 204314235U
- Authority
- CN
- China
- Prior art keywords
- detector
- module
- container
- detector module
- measurement module
- 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.)
- Expired - Fee Related
Links
- 238000005259 measurement Methods 0.000 claims abstract description 88
- 238000007689 inspection Methods 0.000 claims abstract description 38
- 239000013078 crystal Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 abstract description 11
- 230000002238 attenuated effect Effects 0.000 abstract 1
- 230000005251 gamma ray Effects 0.000 description 8
- 238000009826 distribution Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000016776 visual perception Effects 0.000 description 1
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The utility model discloses a kind of alignment system for container or vehicle inspection system and check system.The detector module that check system comprises radiographic source, collimating apparatus and is arranged on detector arm, radiographic source, collimating apparatus and detector module are arranged to be formed and check passage, the beam that radiographic source is launched incides inspected object through collimating apparatus, collects the beam that is attenuated to complete inspection by detector module.Alignment system comprises measurement module, and described measurement module is arranged to receive position and the direction that the beam sent from collimating apparatus also passes through to measure beam determination radiographic source and collimating apparatus.This alignment methods can measure the degree of registration of radiographic source central point, detector tip of the brushstyle of a writing or painting center line and collimating apparatus center line more exactly.
Description
Technical field
The present invention relates to X or Gamma ray safety and check field, especially for taking container or vehicle as X or the Gamma ray inspection system of tested object and alignment system thereof and alignment methods.
Background technology
" sight alignment " is the coplanar general name of accelerator target spot, detector tip of the brushstyle of a writing or painting center line, collimating apparatus center line, the object of adjustment " sight alignment " requires that accelerator target spot, detector tip of the brushstyle of a writing or painting center line, collimating apparatus center line (sometimes also comprising the center line etc. of calibrating installation) all occupy in a reference field, as Fig. 1 exactly.
Existing measuring method is the alignment case using laser transit manual measurement accelerator target spot, collimating apparatus center line and detector tip of the brushstyle of a writing or painting center line.The vertical line of transit cross curve overlaps with detector vertical arm upper and lower end detector center line, and makes the vertical line of transit cross curve align target spot center as far as possible.This kind of method is judged by human eye, objective and accurate not, and with placement, the debugging of instrument, and the visual perception measuring people has much relations.
Further, present many moveable check systems use detector arm support, and these moveable check systems need rapid stent to carry out the work after arriving new inspection place.But detector arm support needs adjustment further as physical construction, makes radiographic source, collimating apparatus and detector be positioned at a plane.Therefore, a kind of alignment system and the method that had not only accurately realized aiming at but also can completing to fast and reliable aligning is needed.
Summary of the invention
Given this, the object of the invention is to solve the problem, realize the beam of check system and the rapid alignment of detector module.
A first aspect of the present invention, provides a kind of alignment system for container or vehicle inspection system, comprises measurement module, and measurement module is the sensor array that multiple sensor is formed, and each sensor is configured to measure transmitted intensity; A sensor in measurement module is arranged on the longitudinal centre line of the detector module of container or vehicle inspection system, when the transmitted intensity value of the described sensor measurement be arranged on the longitudinal centre line of detector module of measurement module is the maximal value of transmitted intensity value curve, determine ray alignment detector module.
According to an aspect of the present invention, the detector module of described sensor array and container or vehicle inspection system relative to each other generally perpendicularly arranged.
A first aspect of the present invention, provides a kind of alignment system for container or vehicle inspection system, comprises measurement module, and described measurement module is the rows of sensors that multiple sensor is formed, and each sensor is configured to measure transmitted intensity; A sensor in described measurement module is arranged on the longitudinal centre line of the detector module of container or vehicle inspection system, when the transmitted intensity value of the described sensor measurement be arranged on the longitudinal centre line of detector module of measurement module is the maximal value of transmitted intensity value curve, determine ray alignment detector module.
According to an aspect of the present invention, the detector module relative to each other substantially vertical arranged of described rows of sensors and container or vehicle inspection system.
According to an aspect of the present invention, described sensor is minimonitor, the size of described minimonitor is less than the detector crystal size of the detector module of container or vehicle inspection system, and a minimonitor in described measurement module is arranged on the longitudinal centre line of the detector module of container or vehicle inspection system.
According to an aspect of the present invention, the described sensor be arranged on the longitudinal centre line of the detector module of container or vehicle inspection system is the sensor of described measurement module mid point.
According to an aspect of the present invention, the ray alignment detector module by collimating apparatus is determined when the transmitted intensity value being positioned at the sensor measurement of detector module midpoint on measurement module is maximum.
A first aspect of the present invention, a kind of check system for container or vehicle is provided, the detector module comprising radiographic source, collimating apparatus, detector arm and be arranged on detector arm, radiographic source, collimating apparatus and detector module are arranged to be formed and check passage, the ray that radiographic source is launched incides inspected object through collimating apparatus has collected inspection by detector module, also comprises above-mentioned alignment system.
Accompanying drawing explanation
Fig. 1 illustrates the plane residing for detector expectation that radiographic source, collimating apparatus and detector module distribute on detector arm;
Another view of detector that Fig. 2 is radiographic source, collimating apparatus and detector module distribute on detector arm;
Fig. 3 a is measurement module according to an embodiment of the invention, and it is transversely arranged on detector module;
Fig. 3 b is measurement module according to an embodiment of the invention, and it is transversely arranged on detector module;
Fig. 4 is the concrete size of measurement module according to an embodiment of the invention;
The ray density distribution that when Fig. 5 is collimator-alignment detector module midline position, measurement module is measured;
The ray density distribution that when Fig. 6 and 7 is collimating apparatus deviation detector module midline positions, measurement module is measured.
Embodiment
There is provided detailed reference to embodiments of the invention now, its example illustrates in the accompanying drawings, and numeral identical in figure all represents identical element.For explaining that the following embodiment of the present invention is described with reference to accompanying drawing.
In one embodiment of the invention, the detector module 3 that X or Gamma ray container or vehicle inspection system comprise radiographic source 1, collimating apparatus 2 and be arranged on detector arm is applied to.Radiographic source 1 can be X ray accelerator or gamma ray accelerator.And in order to obtain better collimated rays, collimating apparatus 2 can be set at accelerator exit portal place.It will be recognized by those skilled in the art that and also can use other devices to obtain the ray wanted, such as, directly launch the device of collimated rays.Detector module 3 is arranged on detector arm 4.Detector arm 4 comprises detector transverse arm 41 and detector vertical arm 42, when detector arm 4 launches, detector 3 in detector transverse arm 41 and detector vertical arm 42 receives the beam transmitted through inspected object after collimating via collimating apparatus 2, thus realizes the object that checks.That is, in use, radiographic source 1, collimating apparatus 2 and detector module 3 constitute inspection passage, as shown in Figure 2.
Be applied to X or Gamma ray container or vehicle inspection system comprises alignment system, alignment system is in order to aim at radiographic source 1, collimating apparatus 2 and detector module 3.
Alignment system comprises measurement module 5.Measurement module 5 is arranged on detector module 3.In one embodiment, measurement module 5 is arranged on detector module 3 arm 4 or frame 4.Measurement module 5 is arranged to the ray that reception radiographic source 1 sends.As shown in Figure 3, measurement module 5 extends transversely, and detector module 3 extends longitudinally.
In an embodiment of the present invention, in order to determine the position of detector module 3, measurement module 5 is arranged on the position of the detector module 3 of check system, to be measured the orientation of collimating apparatus 2 by measurement module 5, the i.e. drop point site of ray, and regulate collimating apparatus 2 towards detector module 3 by measurement result.In the present embodiment, measurement module 5 is arranged in and is provided with on the detector arm 4 of detector module 3, and ensure the center line of detector module 3 transverse direction or the center line in a lateral direction of detector arm 4 corresponding with a certain known position of measurement module 5, such as corresponding with the mid point of measurement module 5.The center line meaning of the center line of said detector module 3 and the detector arm 4 of detector module 3 or frame 4 is identical herein, and namely detector is vertically arranged, detector arm 4 is divided into equal two halves by center line vertically.
In an embodiment of the present invention, measurement module 5 is placed on detector arm 4, as shown in Figure 2.Measurement module 5 is made up of multiple detector crystal 6, these detector crystals 6 can be less than detector crystal 6 size of the imaging detector module 3 of check system, or can be minimonitor for the detector crystal 6 of the imaging detector module of check system.Preferably, in measurement module 5, the width of the detector crystal 6 that every block is little can be the 1/n of measurement module 5, as shown in Figure 3 a.N is integer, can select as required.That is, measurement module 5 can be arranged side by side by several little detector crystals 6, is combined to form a rectangular or elongated block body 6.The overall width of measurement module 5 is greater than the width of system detector module 3, as shown in Figure 4.The length direction of measurement module 5 is along the horizontal expansion of detector module 3.
Measurement module 5 is positioned on detector module 3 mechanically, and the measurement module 5 of strip can be arranged so that its mid point is positioned on the center line of detector arm 4, and the length bearing of trend of the measurement module 5 of strip is vertical with the length bearing of trend of detector arm 4.Thus, the particular location of beam center can be measured subtly, quantitatively.
The data that each measurement module 5 records can be transferred on computer to be analyzed.
In one embodiment of the invention, the overall width of measurement module 5 is 4 to 5 times of the width of system detector module 3.Such as, detector module 3 width is 10mm, and in measurement module 5, the width of the little detector crystal 6 of every block is 1.5mm, and whole measurement module 5 is made up of 32 pieces little detector crystals 6, and width is 32*1.5=48mm, as shown in Figure 4.
When radiographic source 1 divergent-ray, after collimating apparatus 2 collimates, beam irradiates measurement module 5, ray after collimation incides multiple detector crystals 6 of measurement module 5, wherein the transmitted intensity that receives of the detector crystal 6 of ray Normal Incidence is maximum, the energy of the ray that the detector crystal 6 near the detector crystal 6 of normal incidence receives reduces gradually, that is, the transmitted intensity that detector crystal 6 is measured leaves the distance increase of the detector crystal 6 at normal incidence place along with them and reduces.Fig. 5 illustrates when being centrally located on detector arm 4 center line of measurement module 5 time, the curve that the intensity level of the beam that 32 detector crystals 6 are measured respectively is formed.
Can be seen by Fig. 5, due to the center line of the ray alignment detector arm 4 after collimation, thus the transmitted intensity that the detector crystal 6 in the middle of the measurement module 5 detects is the strongest, i.e. the peak (in figure, Y-axis is the normalized value of transmitted intensity measured) of curve in figure.The transmitted intensity that the detector crystal 6 leaving measurement module 5 mid point measures increases with the distance leaving midpoint and reduces.According to embodiments of the invention, use curve as shown in Figure 5 to judge having favourable advantage on time, such as, operator can judge the position of the peak value of ray intuitively according to the position of curve, grasps the direction that will adjust intuitively.
When collimating apparatus 2 does not aim at the mid point of measurement module 5, during the center line of i.e. detector arm 4, by departing from the center being positioned at measurement module 5, (position because of detector crystal 6 is fixed the peak of the curve in Fig. 5, the position of the detector crystal 6 at center is known, and its transmitted intensity value measured drops in Y-axis).
The intensity curve that Fig. 6 and Fig. 7 measures when collimating apparatus 2 deviation detector arm 4 center line is shown respectively.Namely the peak value of using degree curve of the present invention departs from Y-axis can show collimating apparatus 2 or departing from of X ray (also can think the misalignment of detector module, those skilled in the art should understand that misalignment is relative, namely as the X ray of emitting side and collimator arrangement and the detector module as receiver side), and by regulating the direction of collimating apparatus 2 to make intensity peak be adjusted to Y-axis the direction of collimating apparatus 2 to be adjusted to the center line of detector arm 4.Owing to using this similar parabolical curve, operator can judge to depart from intuitively, and departing from Y-axis by the peak of curve approximately can estimate departure degree, makes alignment function easy.
Thus, technical scheme of the present invention avoids the uncertainty of manual adjustments and randomness and this randomness to the impact of subsequent examination, and method of the present invention is simple and clear, adjustment process is intuitively rapid, and handled easily person completes the preliminary work before inspection rapidly.When operator observes, detector module, on the right side of Y-axis, namely can adjust by peak of curve to the right.If the support residing for detector module is fixed, then can regulate X ray and collimating apparatus, be beam or beam left.In practical operation, it is directly perceived that operator passes through the judgement of observation curve, and need not grope the direction of adjustment, makes the preliminary work of inspection easy and quick.
In order to regulate the orientation of collimating apparatus 2, regulating device can be set to regulate the orientation of collimating apparatus 2.Such as, motor and pivoting device can be set, motor driving pivoting device pivotable collimating apparatus 2 regulate collimating apparatus 2 towards.Thus, realize robotization to regulate.
According to embodiments of the invention, be applied to the method for X or Gamma ray container or vehicle inspection system aligning accelerator and detector, comprise: 1) utilize accelerator divergent-ray; 2) measurement module 5 is utilized to measure ray density distribution; 3) judge the relative position of radiographic source 1, collimating apparatus 2 and arm 4, regulate; 4) 2,3 steps are repeated, until through the beam alignment detector module 3 of collimating apparatus 2.
Particularly, such as, when showing the curve of Fig. 6, collimating apparatus 2 can regulate to the right by operator, and the intensity peak of the curve in Fig. 6 is moved to Y-axis.When showing the curve of Fig. 7, collimating apparatus 2 can regulate left by operator, and the intensity peak of the curve in Fig. 7 is moved to Y-axis.
When accelerator target spot, detector tip of the brushstyle of a writing or painting center line, collimating apparatus 2 center line are completely on time, in each measurement module 5, the signal intensity of X or the Gamma ray that each detector crystal 6 receives should be as shown in Figure 5, what namely beam center can be got at each measurement module 5 is middle, i.e. the tip of the brushstyle of a writing or painting center line of each detector module 3.
The ray density distribution obtained is measured according to each detector module 3 on arm 4 or frame 4, the relative position relation of radiographic source 1, collimating apparatus 2 and arm 4 or frame 4 can be judged, and calculate the amount of deflection of position offset and angle, revise system, it is parabola shaped curve as shown in Figure 5 that final all detector modules 3 measure the intensity distributions obtained.
In another embodiment in accordance with the invention, certain detector crystal 6 of measurement module 5 is positioned on the center line of detector module 3.Because this detector crystal 6 known is positioned on center line, therefore, namely the position only needing to regulate the orientation of collimating apparatus 2 to make the transmitted intensity maximal value detected appear at this known detector crystal 6 can be known the center line of collimating apparatus 2 alignment detector module 3.That is, in the present embodiment, the center of measurement module 5 is not on the center line of detector module 3.
In another embodiment in accordance with the invention, measurement module 5 is an entirety.Measurement module 5 is measurement modules 5 of strip, can be the array of one group of sensor, the position of each sensor in sensor array be determine and be known.Thus, the ray beam intensity that each sensor receives is known.That is, the intensity of the beam each position received is known.Thus, by observing the position of the peak value of ray beam intensity, the orientation of collimating apparatus 2 can be determined.Similar with the above embodiments, the orientation of collimating apparatus 2 can be adjusted, the beam that collimating apparatus 2 is launched towards the position wanted, such as, towards the center line of detector module 3.
In another embodiment in accordance with the invention, as shown in Figure 3 b, for the alignment system of container or vehicle inspection system, comprise measurement module 5, measurement module 5 is sensor arraies that multiple sensor is formed, and each sensor is configured to measure transmitted intensity.A sensor in measurement module is arranged on the longitudinal centre line of the detector module of container or vehicle inspection system.When described one on the longitudinal centre line of detector module that be arranged in of measurement module arranges (when the little sensor bulk of measurement module is more much smaller than detector module, can be the sensor that multiple row is little) the transmitted intensity value of sensor measurement is when being the maximal value of transmitted intensity value curve, determines that ray is alignment detector module.
Those skilled in the art it will be appreciated that, detector crystal 6 can have certain volume, measurement module 5 is along the cardinal principle lateral arrangement of detector arm 4, the angle formed between measurement module 5 and detector arm 4 close in the certain limit of 90 degree time, technical scheme of the present invention remains and can realize.
According to one embodiment of present invention, the alignment methods of the check system of accurate container or vehicle is provided for.The detector module 3 that check system comprises radiographic source 1, collimating apparatus 2 and is arranged on detector arm 4, radiographic source 1, collimating apparatus 2 and detector module 3 are arranged to be formed and check passage, and the ray that radiographic source 1 is launched incides inspected object through collimating apparatus 2 has collected inspection by detector module 3.Alignment methods comprises, and arranges measurement module 5, and described measurement module 5 is arranged to receive and sends and through the ray of collimating apparatus 2 from radiographic source 1.Alignment methods also comprises the position of the transmitted intensity peak value determination ray main beam measured by measurement module 5.When measurement module 5 measure display be positioned at ray beam intensity maximum (i.e. the ray main beam) that detector module 3 longitudinal centre line place detects time, determine that the ray that radiographic source 1 sends targeted by detector module 3 through the ray main beam of collimating apparatus 2.
It should be appreciated by those skilled in the art that the X ray that the present invention mentions and gamma-ray source can be other radiographic sources.The present invention mention beam and refer to the radiation forms of any form for irradiating, can be lip pencil bundle, can be fan ray, also can be other any required radiation forms.
Although with reference to exemplary embodiments of the present invention, specifically illustrate and describe the present invention, but those of ordinary skill in the art are to be understood that, when not departing from the spirit and scope of the present invention that claims limit, the multiple change in form and details can be carried out to these embodiments.
Claims (8)
1., for an alignment system for container or vehicle inspection system, it is characterized in that,
Comprise measurement module, measurement module is the sensor array that multiple sensor is formed, and each sensor is configured to measure transmitted intensity;
A sensor in measurement module is arranged on the longitudinal centre line of the detector module of container or vehicle inspection system, when the transmitted intensity value of the described sensor measurement be arranged on the longitudinal centre line of detector module of measurement module is the maximal value of transmitted intensity value curve, determine ray alignment detector module.
2., as claimed in claim 1 for the alignment system of container or vehicle inspection system, it is characterized in that,
The detector module of described sensor array and container or vehicle inspection system relative to each other generally perpendicularly arranged.
3., for an alignment system for container or vehicle inspection system, it is characterized in that,
Comprise measurement module, described measurement module is the rows of sensors that multiple sensor is formed, and each sensor is configured to measure transmitted intensity;
A sensor in described measurement module is arranged on the longitudinal centre line of the detector module of container or vehicle inspection system, when the transmitted intensity value of the described sensor measurement be arranged on the longitudinal centre line of detector module of measurement module is the maximal value of transmitted intensity value curve, determine ray alignment detector module.
4., as claimed in claim 3 for the alignment system of container or vehicle inspection system, it is characterized in that,
The detector module relative to each other substantially vertical arranged of described rows of sensors and container or vehicle inspection system.
5. the alignment system for container or vehicle inspection system as described in claim 3 or 4, is characterized in that,
Described sensor is minimonitor, the size of described minimonitor is less than the detector crystal size of the detector module of container or vehicle inspection system, and a minimonitor in described measurement module is arranged on the longitudinal centre line of the detector module of container or vehicle inspection system.
6. the alignment system for container or vehicle inspection system as described in claim 3 or 4, is characterized in that,
The described sensor be arranged on the longitudinal centre line of the detector module of container or vehicle inspection system is the sensor of described measurement module mid point.
7., as claimed in claim 6 for the alignment system of container or vehicle inspection system, it is characterized in that,
The ray alignment detector module by collimating apparatus is determined when the transmitted intensity value being positioned at the sensor measurement of detector module midpoint on measurement module is maximum.
8. the check system for container or vehicle, the detector module comprising radiographic source, collimating apparatus, detector arm and be arranged on detector arm, radiographic source, collimating apparatus and detector module are arranged to be formed and check passage, the ray that radiographic source is launched incides inspected object through collimating apparatus has collected inspection by detector module, it is characterized in that
Also comprise the alignment system according to any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784654.3U CN204314235U (en) | 2014-12-11 | 2014-12-11 | For container or the check system of vehicle and the alignment system for this check system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784654.3U CN204314235U (en) | 2014-12-11 | 2014-12-11 | For container or the check system of vehicle and the alignment system for this check system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204314235U true CN204314235U (en) | 2015-05-06 |
Family
ID=53136541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420784654.3U Expired - Fee Related CN204314235U (en) | 2014-12-11 | 2014-12-11 | For container or the check system of vehicle and the alignment system for this check system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204314235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634796A (en) * | 2014-12-11 | 2015-05-20 | 清华大学 | Alignment system and alignment method for container or vehicle inspection system |
| CN106053499A (en) * | 2016-07-20 | 2016-10-26 | 同方威视技术股份有限公司 | X-ray examination system and method |
-
2014
- 2014-12-11 CN CN201420784654.3U patent/CN204314235U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634796A (en) * | 2014-12-11 | 2015-05-20 | 清华大学 | Alignment system and alignment method for container or vehicle inspection system |
| WO2016091132A1 (en) * | 2014-12-11 | 2016-06-16 | 清华大学 | Alignment system and alignment method for container or vehicle detection system |
| US9910184B2 (en) | 2014-12-11 | 2018-03-06 | Tsinghua University | Alignment system and method for container or vehicle inspection system |
| CN106053499A (en) * | 2016-07-20 | 2016-10-26 | 同方威视技术股份有限公司 | X-ray examination system and method |
| CN106053499B (en) * | 2016-07-20 | 2019-07-05 | 同方威视技术股份有限公司 | Ray inspection system and radiological survey X method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104634796A (en) | Alignment system and alignment method for container or vehicle inspection system | |
| CN104316293B (en) | Device and method for determining parallelism of continuous zooming television optical axis | |
| CN103308006B (en) | A kind of guide rail calibration, detection method | |
| CN104848785B (en) | A kind of vehicle complete vehicle parameter test system | |
| CN104567738B (en) | Parallelism of optical axis accurate measuring systems and method | |
| CN103308005B (en) | The Photoperiodic effects method of the anti-photoelectric observing collimation device of linear array | |
| CN103857478B (en) | The device and method of the guidance pass of milling train and rolling groove or guidance base for determining the mill stand in multistand mill | |
| CN105424322A (en) | Self-calibration optical axis parallelism detector and detection method | |
| MX2015004816A (en) | Apparatus and method for determining the target position deviation of two bodies. | |
| CN106840023B (en) | The complex-curved optical parametric of heavy caliber is accurately tested and caliberating device and method | |
| CN103852035B (en) | Hollow thread thin bar linearity or the measuring mechanism of axiality and use this mechanism to realize the measuring method of linearity or axiality | |
| CN104006892B (en) | Device, method and the light path collimation method of a kind of measuring laser beam quality | |
| CN204314235U (en) | For container or the check system of vehicle and the alignment system for this check system | |
| EP2105738A2 (en) | Calibration for a system to check materials without destroying them | |
| CN107037007A (en) | A kind of glass-reflected with automatic calibration function is than measurement apparatus and method | |
| US20100271477A1 (en) | Spray Angle Measurement Apparatus and Method | |
| CN105223211A (en) | Collimator apparatus and ray inspection arrangement | |
| CN103645494B (en) | Measure the method for the energy of accelerator beam | |
| CN107817094A (en) | A kind of high accuracy double optical axises and more plain shaft parallelism adjusting process in the same direction | |
| CN104655027B (en) | The detection method and system of little height | |
| CN103727962B (en) | Big visual field infrared electro theodolite precision calibration method | |
| CN102998096A (en) | Method for measuring focal distance of convex lens | |
| CN206019603U (en) | A kind of novel photoelectric school axle instrument | |
| CN102813525B (en) | Digital radiography (DR) center calibration device and calibration method thereof | |
| CN108362276A (en) | A kind of more optical axis school axle systems of large-span space and its calibration apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20201211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |