CN104483333A - Combined ray energy calibration driving device and ray energy calibration device - Google Patents
Combined ray energy calibration driving device and ray energy calibration device Download PDFInfo
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- CN104483333A CN104483333A CN201410853021.8A CN201410853021A CN104483333A CN 104483333 A CN104483333 A CN 104483333A CN 201410853021 A CN201410853021 A CN 201410853021A CN 104483333 A CN104483333 A CN 104483333A
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Abstract
The invention discloses a combined ray energy calibration driving device and a combined ray energy calibration device. The combined ray energy calibration driving device comprises a pressure plate configured to be capable of moving in a first direction to press a plurality of calibration blocks in a second direction perpendicular to the first direction. The combined ray energy calibration device can integrate the calibration blocks together, achieves multistage energy calibration and a compact structure, is suitable for a vehicle-mounted inspection system, and has a good commercial value.
Description
Technical field
The present invention relates to ray nondestructive inspection (NDI) field, particularly, the combination ray energy relating to high endothelial venules check system demarcates drive unit and combination ray energy caliberating device.
Background technology
In radial imaging process, need often to demarcate ray penetrating material performance, suitably to adjust, obtain rational detected image.Caliberating device is placed between radiographic source and detector, and existing calibrating block comprises collimating plate and multiple calibrating block, its volume, weight due to its construction features general larger.
Along with the generally application of vehicle-mounted container detection system, and the requirement that many kinds of substance is demarcated, it is desirable to caliberating device to do little, and integrate with accelerator.This just needs energy calibration apparatus structure compact, takes up room all little with general assembly (TW).
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, a kind of combination ray energy is provided to demarcate drive unit, for combining the demarcation of ray energy, comprising: briquetting, being configured to can by depressing at least one in multiple prodger along the mobile edge second direction vertical with first direction of first direction.
According to an aspect of the present invention, combining ray energy demarcation drives dress also to comprise: Flexible Reset device, configures the initial position in order to not to be depressed by making prodger return to along the elastic force of second direction.
According to an aspect of the present invention, briquetting is the plate with certain area, makes briquetting pass through movement and can depress multiple prodgers that interval on the third direction perpendicular to first direction and second direction separates.
According to an aspect of the present invention, the shape of briquetting is formed as the prodger along with the pressure predetermined number of advancing of briquetting and can discharges the prodger of predetermined quantity.
According to an aspect of the present invention, the end of briquetting is configured at briquetting along contacting with prodger in first direction moving process and allowing prodger smoothly from the surface sliding of this end to the bottom surface adjacent with this end of briquetting, and described prodger is under pressure and mobile preset distance in a second direction thus.
According to an aspect of the present invention, the described end cross-sectional shape of briquetting is configured to wedge shape.
According to an aspect of the present invention, the described end cross-sectional shape of briquetting is configured to cambered surface.
According to an aspect of the present invention, briquetting translating device comprises the screw thread coordinated with screw mandrel on screw mandrel and briquetting, drives briquetting along first direction translation by rotary screw.
According to an aspect of the present invention, briquetting is a pair briquetting, and described a pair briquetting is configured to be movable relative to each other to depress described prodger two positions along second direction.
According to an aspect of the present invention, combining ray energy demarcation drives dress also to comprise: guide piece, is arranged so that described prodger moves along guide piece along second direction under pressure.
According to an aspect of the present invention, combination ray energy is demarcated and is driven dress also to comprise: motor, is configured to the rotary motion driving screw mandrel.
According to an aspect of the present invention, combining ray energy demarcation drives dress also to comprise: multiple calibrating block, each calibrating block is connected with corresponding prodger.
According to an aspect of the present invention, described first direction is parallel with ray fan-beam plane and vertical with ray fladellum central ray exit direction.
According to an aspect of the present invention, a kind of combination ray energy caliberating device is provided, comprise: multiple support plate, each support plate comprises the corresponding prodger that connects with support plate and is connected to the corresponding calibrating block of support plate, and each of described multiple calibrating block realizes demarcation or the correction of ray by region blocks ray to simulate the decay of ray for entering ray; Wherein, multiple calibrating block of described multiple support plate and correspondence thereof are configured to interval on the third direction perpendicular to first direction and second direction and arrange dividually, when prodger is depressed, support plate is depressed thereupon, therefore calibrating block enters ray by region, and demarcates drive unit with combination ray energy as above.
Combination ray energy caliberating device according to an aspect of the present invention, each prodger connects slidably with corresponding support plate, when selected one or more calibrating block that will use, prodger on the support plate corresponding with this selected calibrating block is slid into the position be preferentially depressed, the movement of briquetting is made preferentially to depress this prodger, thus support plate and the calibrating block be connected on support plate are depressed, calibrating block enters ray and passes through region.
According to an aspect of the present invention, described multiple calibrating block comprises multiple material calibrating block, and such as described multiple calibrating block at least comprises calibrating block, the calibrating block of graphite formation and the calibrating block of aluminium formation that multiple iron is formed.These calibrating block have multi-thickness.
According to an aspect of the present invention, described calibrating block in a first direction interval is separated, and on the third direction perpendicular to first direction and second direction, interval separates, so that described briquetting depresses calibrating block one by one when moving along first direction.
According to an aspect of the present invention, there is associated apparatus or not there is associated apparatus between adjacent two correcting blocks of described multiple calibrating block.
Multiple calibrating block can integrate by combination ray energy caliberating device of the present invention, realizes the demarcation of multilevel energy, and can realize cramped construction, is suitable for using in vehicle mounted checking system, has good commercial value.
Accompanying drawing explanation
Fig. 1 illustrates the side view combining ray energy caliberating device and combination ray energy demarcation drive unit according to an embodiment of the invention;
Fig. 2 is the front elevation combining ray energy caliberating device and combination ray energy demarcation drive unit according to an embodiment of the invention;
Fig. 3 is the fragmentary perspective view combining ray energy caliberating device according to an embodiment of the invention, and a kind of embodiment of ten grades of calibrating block arrangements is shown.
Fig. 4 shows vertical view and the side cutaway view of the calibrating block of multiple material.
Fig. 5 illustrates briquetting according to an embodiment of the invention.
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 the first embodiment of the present invention, as shown in Figure 1, combine ray energy demarcation drive unit and may be used for combination ray energy caliberating device 100.Combination ray energy is demarcated drive unit and is comprised briquetting 12, and in one embodiment of the invention, briquetting 12 is a pair briquetting 12.The briquetting 12 of below can move along direction upwards as shown in the figure, and the briquetting 12 of top can move in a downward direction, by the movement of briquetting 12, prodger 50 is depressed in paper direction left.Prodger 50 is arranged on support plate 10, thus support plate 10 is depressed.Demarcate in an embodiment of drive unit 100 at this combination ray energy, support plate 10 is arranged two prodgers 50, for the support plate 10 with certain length, it is favourable for arranging two prodgers 50, applies pressure so more balance from two positions to prodger 50.
In embodiment as illustrated, combination ray energy caliberating device 100 comprises collimating plate 61,62, and collimating plate 61,62 is relatively arranged to form ray between which and passed through space S.Propagate in the space S of ray between the collimating plate 61,62 relatively arranged.Ray at ray by forming ray fan-beam plane in space S.In other words, propagate in the perpendicular that ray or ray fan-beam plane illustrate in the drawings.In one embodiment, the exit direction of ray is vertical direction from top to bottom.In one embodiment, the exit direction of ray is direction from the bottom to top.In one embodiment, the exit direction of ray, along vertical paper direction, can be direction outside in paper, also can be from paper direction outside to inside.In one embodiment, the moving direction of briquetting can be parallel with ray fan-beam plane and vertical with ray fladellum central ray exit direction.In one embodiment, the moving direction of briquetting can be parallel with ray fan-beam plane and parallel with ray fladellum central ray exit direction.In one embodiment, the moving direction of briquetting is vertical with ray fladellum central ray exit direction is favourable, we's invention adopts inclined-plane pressure plate structure, the moving direction of pressing plate and directions of rays less perpendicular, enough spaces can be left to motion and avoid ray, structure again can be as far as possible compact simultaneously, reduces volume and weight.
As shown in Figure 1, calibrating block 20 is arranged on support plate 10, and when the prodger 50 on support plate 10 is depressed, support plate 10 is mobile along paper direction (being direction shown in arrow in the present embodiment) left along with being depressed, and calibrating block 20 is moved to the left thereupon.Calibrating block 20 (being moved to the left in FIG) enters ray by stopping ray after space S, simulates the decay of ray thus, realizes demarcation or the correction of ray.Demarcate in drive unit at the combination ray energy of the present embodiment, pressing plate is a pair pressing plate, is respectively used to depress the prodger 50 near support plate 10 two ends.The installation site of calibrating block 20 on support plate 10 can specifically be arranged as required.The position of the calibrating block shown in figure is to illustrate instead of limiting.
Calibrating block is the block formed by different materials.Comprise multiple calibrating block at combination ray energy caliberating device of the present invention, these calibrating block can be the calibrating block that different materials is formed, and multiple calibrating block can have sizes, and this can set as required.Between multiple calibrating block is to be mutually related.Independently can not associate between multiple calibrating block, namely not there is associated apparatus.Such as, multiple calibrating block is made up of identical or different material, and be of different sizes, this can be favourable, because the layout of calibrating block does not retrain more flexibly, carrying out many kinds of substance timing signal can optimize distribution, and that reduces mechanism's width and pressing plate slides stroke, organization volume and weight are reduced as much as possible, and this is especially favourable in vehicle-mounted detecting system.Certainly, this is conducive to the cost of reducing mechanism.
Demarcate in an embodiment of drive unit at combination ray energy of the present invention, combination ray energy is demarcated drive unit and is also provided with back-moving spring 71,72.Back-moving spring 71,72 is arranged in the lower surface place of support plate 10, and when support plate 10 moves in the direction of the arrow, back-moving spring 71,72 is provided reciprocal elastic force by compressing.Thus, when the pressure of pressing plate removes, recovered shape by the back-moving spring 71,72 compressed, support plate 10 jack-up is returned to the initial position of support plate 10 by its elastic force edge and arrow reverse direction, removes calibrating block thus from ray by space S.Herein, back-moving spring 71,72 is a pair back-moving spring 71,72, near the two ends being arranged in support plate 10.Demarcate at combination ray energy of the present invention in the embodiment of drive unit, preferably, back-moving spring 71,72 can be arranged on the below of prodger 50.But, one skilled in the art will appreciate that back-moving spring 71,72 can be arranged on other positions of support plate 10, and with prodger 50 not at same position.
Demarcate at combination ray energy of the present invention in an embodiment of drive unit, support plate 10 is connected across on guide piece.As shown in the figure, support plate 10 is arranged in guide piece 40, and slide in the two ends of support plate 10 in guide piece 40, thus the movement of support plate 10 receives restriction and the guiding of guide piece 40, realizes the smooth motion of support plate 10.Guide piece 40 has groove, and the end of support plate 10 is stuck in groove.The end of support plate 10 can arrange pulley.Guide piece 40 also can have guide rail, and support plate 10 end arranges wheel, takes turns the moving on rails at guide piece 40.Between support plate 10 and guide piece 40 can with other slidably mode coordinate, such as, while the thrust of back-moving spring 71,72, support plate 10 is through the groove of guide piece 40, and slides in the end of support plate 10 in this strip groove.
Combination ray energy of the present invention demarcates drive unit can also comprise briquetting 12 translating device, configures in order to move briquetting 12 along above-below direction in figure.In the embodiment shown in the drawings, briquetting 12 translating device comprises screw mandrel, the threaded engagement that screw mandrel and pressing plate are formed, and when screw mandrel rotates, the convert rotational motion of screw mandrel is the upper and lower translation motion of pressing plate.Screw mandrel can be driven by motor 80 by gear.
Demarcate in an embodiment of drive unit at combination ray energy, briquetting 12 is a pair briquetting 12, and screw mandrel also can be set to a pair screw mandrel.It will be recognized by those skilled in the art that screw mandrel can be holistic screw mandrel.When briquetting 12 is a pair briquetting 12 time, briquetting 12 is along direction translation toward each other, that is, the briquetting 12 of figure middle and upper part moves down, and the briquetting 12 of bottom moves up.Thus, a pair briquetting 12 contacts prodger 50 simultaneously, and then promotes prodger 50 along direction shown in arrow along with the motion of briquetting 12, and thus support plate 10 moves left mutually, and calibrating block is moved to the left along with support plate 10.A pair corresponding a pair prodger 50 of briquetting 12 and a pair back-moving spring 71,72, make support plate 10 more steady with the movement of the calibrating block being connected to support plate 10.
Demarcate in an embodiment of drive unit at combination ray energy, the end of briquetting 12 be configured to (briquetting 12 of bottom) briquetting 12 along upwards or (briquetting 12 on top) in downward direction contact with prodger 50 in moving process, and, allow prodger 50 smoothly from the surface sliding of the end of briquetting 12 to the bottom surface adjacent with this end of briquetting 12, prodger 50 is under pressure and moves preset distance in the direction of the arrow on direction shown in arrow thus.The described end cross-sectional shape of briquetting 12 can be configured to wedge shape.The described end cross-sectional shape of briquetting 12 can be configured to cambered surface, the cambered surface such as concaved, and also can be outwardly cambered surface.The described end of briquetting 12 can be inclined-plane.
Demarcate in an embodiment of drive unit at combination ray energy, briquetting 12 can be pressing plate 12, and the pressing plate 12 with certain area is favourable, when pressing plate 12 translation, pressing plate 12 can depress multiple prodger 50, thus realizes a pressing plate 12 and depress multiple calibrating block 20.And then, when a use drive unit, multiple calibrating block 20 can be integrated, make to combine the compact conformation that ray energy demarcates drive unit, reduce the volume of ray caliberating device.And, owing to can integrated multiple calibrating block make the working range of calibrating block increase, ray can be demarcated more accurately.
According to a second embodiment of the present invention, combine ray energy caliberating device and comprise calibrating block 20.Calibrating block 20 is well known to those skilled in the art for demarcating ray energy.In the prior art, often volume is comparatively large due to itself attribute for calibrating block 20, causes the volume of the caliberating device can demarcating multiple ray large, is unfavorable for maneuverability.
Multiple calibrating block is combined by combination ray energy caliberating device 100 of the present invention, reduces the volume of caliberating device.Combine ray energy caliberating device 100 simultaneously and comprise above-mentioned combination ray energy demarcation drive unit.Multiple calibrating block is in withdrawn position in a non-operative state, and namely calibrating block is left ray and passed through space S.When calibrating block 20 is in running order, calibrating block 20 is moved and enters ray and pass through space S.Calibrating block is moved together along with corresponding support plate 10.
Combination ray energy caliberating device of the present invention can comprise multiple calibrating block.In figure 3, calibrating block along interval, direction from left to right separately, thus when pressing plate 12 moves forward, can depress calibrating block 20 one by one.Particularly, prodger 50 is separated along the interval, direction of (from front to back) from bottom to top of the paper shown in Fig. 3, when pressing plate 12 moves forward, depresses prodger 50 one by one.Calibrating block 20 has certain volume, and when thus calibrating block 20 is superimposed, the support plate 10 be connected with multiple calibrating block 20 is spaced apart on the direction of (from front to back) from bottom to top of paper.Fig. 3 shows a kind of arrangement form of prodger 50.In figure 3, when pressing plate 12 moves from left to right, prodger 50 is depressed one by one, thus calibrating block 20 is depressed the space entering ray and pass through one by one, and nominal thickness constantly increases.Ten grades can be realized in the embodiment of Fig. 3 and demarcate arrangement.
In one embodiment of the invention, the shape of briquetting can be formed as given shape as required.Fig. 5 illustrates a kind of briquetting of given shape.The advantage of this briquetting is, along with the two ends of briquetting along the device in Fig. 3 are moved to centre, and briquetting pressure prodger 50.As shown in Figure 5, first the front lozenges 12-1 of briquetting abuts prodger 50, thus pressure prodger 50.Be noted that calibrating block and on the layout of prodger 50 can be various ways, Fig. 3 is only a kind of particular form, is exemplarily described calibrating block.
In arranging with the calibrating block of other arranged in form, the briquetting as Fig. 5 is pushed ahead, and depresses multiple prodger 50.Such as depress 8 prodgers 50.Briquetting continues to push ahead, the lozenges 12-3 that briquetting is arranged and 12-5 place, and prodger is upspring along lozenges, and thus, the calibrating block number be depressed reduces two.Briquetting continues to push ahead, and upsprings at lozenges 12-2 and 12-4 place prodger 50, and the calibrating block quantity be depressed continues minimizing two.By such briquetting, such as three process selection that move forward that can realize a briquetting depress 8 calibrating block, 6 calibrating block, 4 calibrating block.When the cloth postpone of further preset calibrations block, in the advance that can continue at briquetting, depress the combination of another calibrating block.
Combination ray energy caliberating device of the present invention can also comprise support, and combination ray energy drive unit is rack-mount.Support can be various ways, and those skilled in the art can adopt suitable rack form as required.
The following describes according to another preferred embodiment of the present invention, only the part different from above-described embodiment is described for the sake of simplicity.In the present embodiment, support plate 10 comprises the corresponding prodger 50 connected with support plate 10 and the corresponding calibrating block 20 being connected to support plate 10, each calibrating block 20 can enter ray and stop ray by space S, can simulate the decay of ray thus, realizes demarcation or the correction of ray.Well known to those skilled in the art about the demarcation of calibrating block or correction.
Multiple calibrating block 50 of multiple support plate 10 and correspondence thereof are configured to interval and arrange dividually, and Fig. 3 shows a kind of arrangement, and calibrating block can be intensive and be arranged together compactly thus, and can combinationally use.When prodger 50 is depressed, support plate 10 is depressed thereupon, and therefore calibrating block 50 enters ray and pass through region.
Described multiple calibrating block comprises multiple material calibrating block.Fig. 4 shows the calibrating block of multiple material, the calibrating block that such as iron material is as shown in the figure formed, the calibrating block that graphite material is formed, the calibrating block that aluminum is formed.As required, the calibrating block of other materials can be set.
According to embodiments of the invention, advantageously, each prodger 50 connects slidably with corresponding support plate 10." connecting slidably " refers to when needs prodger 50 moves, prodger 50 can be slided along the length direction of support plate 10 on support plate 10, and after sliding into the position that support plate 10 is expected, the relative position between prodger 50 and support plate 10 can be fixed by tab or miscellaneous part (can use existing locking device in prior art).After the relative position of prodger 50 and support plate 10 is locked, pressing plate 12 moves and then can depress prodger 50 smoothly.By layout of the present invention, when the selected calibrating block 20 that will use, the support plate 10 corresponding with this calibrating block 20, such as, prodger 50 on support plate 10a slides into the position be preferentially depressed, such as, before the position that pressing plate 12 sets out, the briquetting 12 that such movement is come preferentially can depress this prodger 50 on support plate 10a, and support plate 10a and the calibrating block 20 be arranged on support plate 10a are depressed, and calibrating block 20 enters ray and passes through space S.Equally, when the calibrating block needing to depress on such as support plate 10d, then can move the prodger 50 on support plate 10d, the calibrating block on support plate 10d can be depressed like this.Now, because the prodger 50 on other support plates (such as 10b, 10c, 10e, 10f) is moved into the position be not depressed, the calibrating block thus on support plate (such as 10b, 10c, 10e, 10f) and support plate is not depressed.By such layout, the combination needing the calibrating block used can be combined neatly, utilize limited different materials and the calibrating block of thickness, the array mode of a large amount of calibrating block can be obtained.Relative to the situation that prodger is fixed and arranged, the present embodiment substantially increases the flexible use of calibrating block, improve caliberating device precision and can calibration range.
In the present invention program, can the shape of inclined-plane pressing plate and the setting on inclined-plane be passed through, realize the multistage demarcation of multi-thickness, multiple material.As described above, coordinate layout reset inclined-plane and calibrating block, it is free that demarcation material and thickness put in order, and can optimize structure.Each calibrating block self-movement, does not interfere with each other.The setting of calibrating block two ends guiding, can make this passive energy-storage travelling wave tube reliably working of back-moving spring.
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 (19)
1. combine ray energy and demarcate a drive unit, for combining the demarcation of ray energy, it is characterized in that, comprising:
Briquetting, is configured to depress at least one in multiple prodger by the movement along first direction along the second direction vertical with first direction.
2. combination ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that, also comprises:
Flexible Reset device, configures the initial position in order to not to be depressed by making prodger return to along the elastic force of second direction.
3. combination ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that,
Briquetting is the plate with certain area, makes briquetting pass through movement and can depress multiple prodgers that interval on the third direction perpendicular to first direction and second direction separates.
4. combination ray energy as claimed in claim 2 demarcates drive unit, it is characterized in that,
The shape of briquetting is formed as the prodger along with the pressure predetermined number of advancing of briquetting and can discharges the prodger of predetermined quantity.
5. combination ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that,
The end of briquetting is configured at briquetting along contacting with prodger in first direction moving process and allowing prodger smoothly from the surface sliding of this end to the bottom surface adjacent with this end of briquetting, and described prodger is under pressure and mobile preset distance in a second direction thus.
6. combination ray energy as claimed in claim 5 demarcates drive unit, it is characterized in that,
The described end cross-sectional shape of briquetting is configured to wedge shape.
7. combination ray energy as claimed in claim 5 demarcates drive unit, it is characterized in that,
The described end cross-sectional shape of briquetting is configured to cambered surface.
8. combination ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that,
Briquetting translating device comprises the screw thread coordinated with screw mandrel on screw mandrel and briquetting, drives briquetting along first direction translation by rotary screw.
9. combination ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that,
Briquetting is a pair briquetting, and described a pair briquetting is configured to be movable relative to each other to depress described prodger two positions along second direction.
10. combination ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that, also comprises:
Guide piece, is arranged so that described prodger moves along guide piece along second direction under pressure.
11. combine ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that, also comprises:
Motor, is configured to the rotary motion driving screw mandrel.
12. combine ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that, also comprises:
Multiple calibrating block, each calibrating block is connected with corresponding prodger.
13. combine ray energy as claimed in claim 1 demarcates drive unit, it is characterized in that,
Described first direction is parallel with ray fan-beam plane and vertical with ray fladellum central ray exit direction.
14. 1 kinds of combination ray energy caliberating devices, is characterized in that, comprising:
Multiple support plate, each support plate comprises the corresponding prodger that connects with support plate and is connected to the corresponding calibrating block of support plate, and each of described multiple calibrating block realizes demarcation or the correction of ray by region blocks ray to simulate the decay of ray for entering ray;
Wherein, multiple calibrating block of described multiple support plate and correspondence thereof are configured to interval on the third direction perpendicular to first direction and second direction and arrange dividually, and when prodger is depressed, support plate is depressed thereupon, and therefore calibrating block enters ray by region, and
Combination ray energy as described in aforementioned any one of claim demarcates drive unit.
15. combine ray energy caliberating device as claimed in claim 14, it is characterized in that,
Each prodger connects slidably with corresponding support plate, when selected one or more calibrating block that will use, prodger on the support plate corresponding with this selected calibrating block is slid into the position be preferentially depressed, the movement of briquetting is made preferentially to depress this prodger, thus support plate and the calibrating block be connected on support plate are depressed, calibrating block enters ray and passes through region.
16. combine ray energy caliberating device as claimed in claim 14, it is characterized in that,
Described multiple calibrating block comprises multiple material calibrating block.
17. combine ray energy caliberating device as claimed in claim 14, it is characterized in that,
Described multiple calibrating block at least comprises calibrating block, the calibrating block of graphite formation and the calibrating block of aluminium formation that multiple iron is formed.
18. combine ray energy caliberating device as claimed in claim 14, it is characterized in that,
Each of the calibrating block that the calibrating block that described iron is formed, graphite are formed and the calibrating block that aluminium is formed has the calibrating block of multiple different-thickness respectively.
19. combine ray energy caliberating device as claimed in claim 14, it is characterized in that,
Onrelevant device between adjacent two calibrating block of described multiple calibrating block.
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| CN107576675A (en) * | 2017-09-19 | 2018-01-12 | 同方威视技术股份有限公司 | Ray energy caliberating device, ray energy scaling method and radiation imaging system |
| CN113031042A (en) * | 2019-12-24 | 2021-06-25 | 清华大学 | Ray calibration device and method |
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