阅读说明：本技术 X射线光路调节系统及x射线光路调节装置 (X-ray light path adjusting system and X-ray light path adjusting device ) 是由 郭思明 王二彦 吴金杰 李乔新 于 2020-06-02 设计创作，主要内容包括：本发明涉及一种X射线光路调节装置,包括外框架、反光镜及调节支架。外框架设有容纳腔,外框架的两端延其轴向分别开设有第一连接孔及第二连接孔,外框架的侧壁设有与容纳腔相连通的入射孔。反光镜安装于容纳腔内,且反光镜与外框架的轴向形成夹角。调节支架通过多个螺纹紧固件安装于外框架的侧壁上,且多个螺纹紧固件沿调节支架的周向方向间隔设置。本发明还提供了一种X射线光路调节系统,包括上述X射线光路调节装置。这种X射线光路调节系统及X射线光路调节装置,可以通过调节螺纹紧固件的松紧程度,调整激光源的位置,进而可以保证反射后的激光从外框架的轴线射出,可以避免激光被准直管端部的光阑过多遮挡。(The invention relates to an X-ray light path adjusting device which comprises an outer frame, a reflector and an adjusting bracket. The outer frame is provided with an accommodating cavity, two ends of the outer frame are respectively provided with a first connecting hole and a second connecting hole along the axial direction of the outer frame, and the side wall of the outer frame is provided with an inlet hole communicated with the accommodating cavity. The reflector is arranged in the accommodating cavity, and an included angle is formed between the reflector and the axial direction of the outer frame. The adjusting bracket is mounted on the side wall of the outer frame through a plurality of threaded fasteners, and the plurality of threaded fasteners are arranged at intervals along the circumferential direction of the adjusting bracket. The invention also provides an X-ray light path adjusting system which comprises the X-ray light path adjusting device. The X-ray optical path adjusting system and the X-ray optical path adjusting device can adjust the position of the laser source by adjusting the tightness degree of the threaded fastener, further ensure that the reflected laser is emitted from the axis of the outer frame, and avoid the laser from being excessively shielded by the diaphragm at the end part of the collimator tube.)

1. An X-ray optical path adjustment device characterized by comprising:

the outer frame is provided with an accommodating cavity, two ends of the outer frame are respectively provided with a first connecting hole and a second connecting hole along the axial direction of the outer frame, the first connecting hole and the second connecting hole are communicated with the accommodating cavity, and the side wall of the outer frame is provided with an inlet hole communicated with the accommodating cavity;

the reflector is arranged in the accommodating cavity, and an included angle is formed between the reflector and the axial direction of the outer frame; and

the adjusting bracket is used for installing the laser source and is installed on the side wall of the outer frame through a plurality of threaded fasteners, and the plurality of threaded fasteners are arranged at intervals along the circumferential direction of the adjusting bracket.

2. The X-ray optical path adjusting apparatus according to claim 1, wherein the outer frame includes a main body and a cover plate, the receiving chamber, the first connecting hole and the second connecting hole are opened in the main body, a side wall of the main body is provided with an opening communicating with the receiving chamber, the cover plate is mounted on the main body and covers the opening, the incident hole is opened in the cover plate, and the adjusting bracket is mounted on the cover plate.

3. The X-ray optical path adjusting apparatus according to claim 1, further comprising a mounting frame, wherein the mounting frame is provided with an inclined surface, the mirror is mounted on the inclined surface, the mounting frame is provided with a light exit hole, the light exit hole penetrates through the inclined surface, and the mounting frame is provided with a through hole communicating the light entrance hole and the light exit hole.

4. The X-ray optical path adjusting apparatus according to claim 3, further comprising a fixing ring mounted on the inclined surface, the mirror being sandwiched between the inclined surface and the fixing ring.

5. The X-ray optical path adjusting apparatus according to claim 3, further comprising a shielding layer disposed in the accommodating chamber, wherein the mounting frame is disposed in the shielding layer, the shielding layer is provided with a middle hole communicating the entrance hole and the through hole, and the shielding layer is provided with a first communicating hole communicating with the first communicating hole and a second communicating hole communicating with the second communicating hole.

6. The X-ray optical path adjusting device according to claim 1, wherein the axis of the entrance hole is perpendicular to the axis of the outer frame, and the angle between the mirror and the axis of the outer frame is 45 °.

7. The X-ray optical path adjusting apparatus according to any one of claims 1 to 6, wherein the adjusting bracket includes a base and a fixed cylinder, the base being mounted on a side wall of the outer frame by a plurality of the threaded fasteners, the fixed cylinder being disposed on the base.

8. The X-ray optical path adjusting device of claim 7, wherein a mounting hole is formed in a side wall of the fixed cylinder, and a fixing member is disposed in the mounting hole and abutted against the laser source in the fixed cylinder.

9. The X-ray optical path adjusting apparatus according to claim 1, wherein side walls of the first connection hole and the second connection hole are each provided with a connection thread.

10. An X-ray optical path adjustment system, comprising:

the X-ray optical path adjusting apparatus according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of light path adjustment, in particular to an X-ray light path adjusting system and an X-ray light path adjusting device.

Background

At present, laser on the market mainly enables an X-ray machine and a probe of a detector to be on the same horizontal line, and some experiments need to simulate the laser of an X-ray light path, so that the experiments are very inconvenient. The fixed laser device can simulate the light path of X rays, the light pen is fixed on the collimator, and the fixed light pen can move along with the collimator when the level of the collimator is adjusted. The fixed laser device is also beneficial to shielding, and the whole interior is wrapped in the lead layer to prevent light leakage.

When the laser ray is used for simulating the light path formed by the X-ray on the double-crystal monochromator, the X-ray also hits the double-crystal monochromator from the inside of the collimator tube, and the X-ray light path is restored to the maximum extent. The tail end of the collimator is provided with diaphragms with different apertures, and the diaphragms are used for limiting the size of light spots so that laser can be emitted from the centers of the diaphragms with the limiting apertures. However, due to the influence of factors such as errors, the laser light in the collimator tube is likely not emitted from the center of the collimator tube, and the laser light is blocked by the diaphragm, thereby affecting the optical path of the device simulating the X-ray.

Disclosure of Invention

In view of the above, it is necessary to provide an X-ray optical path adjusting system and an X-ray optical path adjusting apparatus for solving the problem that the laser beam in the collimator tube is not emitted from the center of the collimator tube in the conventional fixed laser apparatus.

An X-ray optical path adjustment apparatus comprising:

the outer frame is provided with an accommodating cavity, two ends of the outer frame are respectively provided with a first connecting hole and a second connecting hole along the axial direction of the outer frame, the first connecting hole and the second connecting hole are communicated with the accommodating cavity, and the side wall of the outer frame is provided with an inlet hole communicated with the accommodating cavity;

the reflector is arranged in the accommodating cavity, and an included angle is formed between the reflector and the axial direction of the outer frame; and

the adjusting bracket is used for installing the laser source and is installed on the side wall of the outer frame through a plurality of threaded fasteners, and the plurality of threaded fasteners are arranged at intervals along the circumferential direction of the adjusting bracket.

According to the X-ray optical path adjusting device, the laser source is arranged on the adjusting bracket, laser emitted by the laser source can enter the reflector through the incident hole, and the reflector emits the laser from the axis of the outer frame. Because the laser source is installed on adjusting the support, a plurality of threaded fastener along the circumferential direction interval distribution who adjusts the support, the intersection point of reflector and outer frame axis is the reflection point, can adjust the position of laser source through the elasticity degree of adjusting threaded fastener, guarantees that the laser of laser source outgoing incides on the reflection point, and then can guarantee that the laser after the reflection jets out from the axis of outer frame, can avoid laser to be sheltered from by the diaphragm of collimator tip too much.

In one embodiment, the outer frame includes a main body and a cover plate, the accommodating chamber, the first connecting hole and the second connecting hole are all opened on the main body, an opening communicating with the accommodating chamber is formed on a side wall of the main body, the cover plate is installed on the main body and covers the opening, the incident hole is opened on the cover plate, and the adjusting bracket is installed on the cover plate.

In one embodiment, the installation frame is provided with an inclined plane, the reflector is installed on the inclined plane, the installation frame is provided with a light outlet hole, the light outlet hole penetrates through the inclined plane, and the installation frame is provided with a through hole communicating the light inlet hole and the light outlet hole.

In one embodiment, the mirror further comprises a fixing ring, the fixing ring is mounted on the inclined surface, and the mirror is clamped between the inclined surface and the fixing ring.

In one embodiment, the mounting frame further comprises a shielding layer, the shielding layer is arranged in the accommodating cavity, the mounting frame is arranged in the shielding layer, the shielding layer is provided with a middle hole communicated with the through hole and the through hole, and the shielding layer is provided with a first communicating hole communicated with the first communicating hole and a second communicating hole communicated with the second communicating hole.

In one embodiment, the axis of the entry hole is perpendicular to the axis of the outer frame, and the included angle between the reflector and the axis of the outer frame is 45 degrees.

In one embodiment, the adjusting bracket includes a base and a fixing cylinder, the base is mounted on the side wall of the outer frame through a plurality of the threaded fasteners, and the fixing cylinder is disposed on the base.

In one embodiment, the side wall of the fixed cylinder is provided with a mounting hole, and the fixing piece is arranged in the mounting hole in a penetrating manner and is abutted against the laser source in the fixed cylinder.

In one embodiment, the side walls of the first connecting hole and the second connecting hole are provided with connecting threads.

The invention also provides an X-ray light path adjusting system, comprising:

the X-ray optical path adjusting apparatus according to any one of the above.

The X-ray optical path adjusting system includes the X-ray optical path adjusting device in the above embodiment, and the structure of the X-ray optical path adjusting device may refer to the description in the above embodiment, and is not described herein again. Since the X-ray optical path adjusting system provided by the embodiment of the present invention includes the X-ray optical path adjusting device in the above embodiment, the X-ray optical path adjusting system provided by the present invention has all the beneficial effects of the X-ray optical path adjusting device in the above embodiment.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of an X-ray optical path adjusting device according to the present invention;

FIG. 2 is a half sectional view of the X-ray optical path adjusting apparatus shown in FIG. 1;

FIG. 3 is an exploded view of the X-ray optical path adjustment apparatus shown in FIG. 1;

fig. 4 is a schematic structural view of the mirror in fig. 3 mounted on a mounting bracket.

In the drawings, the components represented by the respective reference numerals are listed below:

10. an outer frame; 12. a main body; 14. a cover plate; 110. an accommodating chamber; 120. a first connection hole; 130. a second connection hole; 140. entering a perforation hole; 20. a reflective mirror; 30. adjusting the bracket; 32. a base plate; 34. a fixed cylinder; 36. a threaded fastener; 38. a fixing member; 40. a mounting frame; 42. an inclined surface; 44. a light exit hole; 46. a through hole; 50. a stationary ring; 60. a shielding layer; 62. a middle hole; 64. a first communication hole; 66. a second communication hole; 610. a load bearing support; 620. a first side plate; 630. a second side plate; 640. a top plate; 70. a laser source.

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and fig. 2, in an embodiment, an X-ray optical path adjusting system includes the X-ray optical path adjusting apparatus shown in fig. 1. Specifically, the X-ray optical path adjusting device includes an outer frame 10, a mirror 20, and an adjusting bracket 30.

The outer frame 10 has a receiving cavity 110, and both ends of the outer frame 10 are respectively provided with a first connecting hole 120 and a second connecting hole 130. Wherein, the first connection hole 120 and the second connection hole 130 extend along the axial direction of the outer frame 10, the first connection hole 120 and the second connection hole 130 are both communicated with the accommodation chamber 110, the first connection hole 120 and the second connection hole 130 are located at the center of the outer frame 10, and the first connection hole 120 and the second connection hole 130 are used for connecting the collimator. The side wall of the outer frame 10 is provided with an incident hole 140 communicating with the accommodating chamber 110.

In one embodiment, the outer frame 10 includes a main body 12 and a cover 14, and the receiving cavity 110, the first connecting hole 120 and the second connecting hole 130 are all opened on the main body 12. The sidewall of the body 12 is provided with an opening communicating with the accommodating chamber 110, so that the mirror 20 and the like can be conveniently mounted in the accommodating chamber 110. The first connection hole 120 penetrates through an end surface of one end of the main body 12, and the second connection hole 130 penetrates through an end surface of the other end of the main body 12. The sidewalls of the first coupling hole 120 and the second coupling hole 130 are provided with coupling threads for facilitating the coupling of both ends of the outer frame 10 with the collimator tubes. The cover plate 14 is mounted on the main body 12, and the cover plate 14 covers the opening of the receiving cavity 110. Specifically, the cover plate 14 is mounted to the body 12 by screws. Entry hole 140 opens into cover plate 14. In one embodiment, the axis of the incident hole 140 is perpendicular to the axis of the outer frame 10.

Referring to fig. 2 to 4, the reflective mirror 20 is installed in the accommodating cavity 110, and the reflective mirror 20 forms an angle with the axial direction of the outer frame 10. In a specific embodiment, the X-ray optical path adjusting apparatus further includes a mounting bracket 40, the mounting bracket 40 is disposed in the accommodating cavity 110, the mounting bracket 40 is a triangular bracket, the mounting bracket 40 is provided with an inclined surface 42, and the reflective mirror 20 is mounted on the inclined surface 42. The mounting bracket 40 is provided with a light exit hole 44, the light exit hole 44 penetrates the inclined surface 42, and the laser light reflected by the reflector 20 can exit through the light exit hole 44. The mounting frame 40 is further provided with a through hole 46 coaxial with the incident hole 140, and the through hole 46 is connected to the incident hole 140 and the light exit hole 44.

In this embodiment, the inclined surface 42 forms an angle of 45 ° with the axial direction of the outer frame 10 so that the angle between the reflective mirror 20 and the axis of the outer frame 10 is 45 °, and since the incident hole 140 and the through hole 46 are perpendicular to the axis of the outer frame 10, the angle at which the laser beam passing through the incident hole 140 and the through hole 46 can be incident on the reflective mirror 20 is 45 °, so that the reflective mirror 20 can reflect the laser beam along the axis of the outer frame 10 and further emit the laser beam from the center of the collimator tube. In one embodiment, the reflective mirror 20 is embodied as a reflective copper foil. It is understood that in other embodiments, the angle between the reflective mirror 20 and the axis of the outer frame 10 may be different from 45 °, the axes of the incident hole 140 and the through hole 46 are not perpendicular to the axis of the outer frame 10, and the incident angle of the laser and the angle of the reflective mirror 20 may be adjusted reasonably to ensure that the laser reflected by the reflective mirror 20 is emitted along the axis of the outer frame 10.

On the basis of the above embodiment, further, the X-ray optical path adjusting device further includes a fixing ring 50, the fixing ring 50 is mounted on the mounting frame 40, the reflective mirror 20 is clamped between the fixing ring 50 and the inclined surface 42, and the fixing ring 50 can prevent the reflective mirror 20 from being crushed. Specifically, the fixing ring 50 is mounted to the mounting bracket 40 by screws, so that the mirror 20 can be easily mounted and dismounted.

In a specific embodiment, the X-ray optical path adjusting apparatus further includes a shielding layer 60, the shielding layer 60 is disposed in the accommodating cavity 110, and the mounting frame 40 is installed in the shielding layer 60 to prevent light leakage. Specifically, the mounting bracket 40 is mounted on top of the shielding layer 60 to suspend the mirror 20 within the shielding layer 60. The top of the shielding layer 60 is provided with a middle hole 62 coaxial with the incident hole 140, the middle hole 62 is communicated with the incident hole 140 and the through hole 62, and the incident hole 140, the middle hole 62 and the through hole 46 form an incident channel. One side of the shielding layer 60 is provided with a first connection hole 64, and the first connection hole 64 is communicated with the first connection hole 120. The other side of the shield layer 60 is provided with a second communication hole 66, and the second communication hole 66 communicates with a second connection hole 130.

On the basis of the above embodiment, further, the shielding layer 60 is formed by splicing a plurality of lead blocks. Specifically, the shielding layer 60 includes a carrier bracket 610, a first side plate 620, a second side plate 630 and a top plate 640. The carrier bracket 610 is provided with a mounting groove to mount the reflective mirror 20. The first side plate 620 and the second side plate 630 are respectively disposed at two sides of the bearing bracket 610 to respectively plug two ends of the mounting groove. The top plate 640 is disposed on the top of the supporting bracket 610, and the top plate 640 is connected to the cover plate 14, and the top plate 640 is used for sealing the opening on the top of the mounting groove. The middle hole 62 is opened on the top plate 640, the first communication hole 64 is opened on the first side plate 620, and the second communication hole 66 is opened on the second side plate 630.

Referring to fig. 1 and 2, the adjustment bracket 30 is mounted to the side wall of the outer frame 10 by a plurality of threaded fasteners 36, and the laser source 70 is mounted to the adjustment bracket 30. The laser light emitted from the laser source 70 is incident on the mirror 20 through the incident hole 140 and is emitted from the axis of the outer frame 10. The intersection point of the reflective mirror 20 and the axis of the outer frame 10 is a reflection point, and the posture of the adjusting bracket 30 can be adjusted by adjusting the tightness degree of the threaded fastener 36, so that the position of the laser source 70 can be adjusted, and the laser generated by the laser source 70 can be ensured to be incident on the reflection point. In particular, the laser source 70 may be a light pen.

In one embodiment, the adjustment bracket 30 includes a base 32 and a stationary barrel 34. The base 32 is mounted to the side wall of the outer frame 10 by a plurality of threaded fasteners 36. Specifically, the base 32 is fixedly mounted on the cover plate 14 by three bolts, and the three bolts are uniformly distributed along the circumferential direction of the chassis. The stationary canister 34 is mounted on the base 32 and the laser source 70 is mounted within the stationary canister 34. On the basis of the above embodiment, further, the side wall of the fixed cylinder 34 is opened with an installation hole, and the fixing member 38 is inserted into the installation hole and abuts against the laser source 70, so as to fix the laser source 70 in the fixed cylinder 34. Specifically, the fixing pieces 38 are screws, the number of the fixing pieces 38 is two, and the two fixing pieces 38 are provided at intervals in the circumferential direction of the fixed barrel 34.

In the X-ray optical path adjusting system and the X-ray optical path adjusting apparatus, the laser beam emitted from the laser source 70 sequentially passes through the entrance hole 140, the intermediate hole 62, and the through hole 46 to enter the reflective mirror 20, and the laser beam reflected by the reflective mirror 20 passes through the exit hole 44, the second communication hole 66, and the second connection hole 130 to be emitted from the center of the collimator. The intersection point of the reflective mirror 20 and the axis of the outer frame 10 is a reflection point, and the position of the laser source 70 can be adjusted by adjusting the tightness degree of the threaded fastener 36, so that the laser emitted from the laser source 70 is incident on the reflection point, the reflected laser can be emitted from the axis of the outer frame 10, and the laser can be prevented from being shielded by a diaphragm at the end of the collimator tube.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes, substitutions and alterations can be made without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the claims.