Irradiation target detection device

Abstract

An embodiment of the present invention provides an irradiated target detection device, comprising: a shielding body; a detection device, which is arranged in the shielding body, the detection device comprising a transmitter and a receiver, and a detection space is formed between the transmitter and the receiver; a target inlet, which passes through the shielding body and communicates with the detection space; a rotating clamping part, which is arranged outside the shielding body, and the rotating clamping part can drive the irradiated target to rotate; and a translational clamping part, which is arranged outside the shielding body, and the rotating clamping part can drive the irradiated target to translate; wherein the target inlet, the rotating clamping part and the translational clamping part are coaxially arranged.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of detection equipment, and in particular to an irradiated target detection device. Background Art

[0002] The irradiated target is produced under irradiation conditions. Under the irradiation conditions, structural changes may occur inside the irradiated target. In order to monitor the internal structure of the irradiated target, the irradiated target needs to be inspected.

[0003] Since the production cost of the irradiated target is relatively high, the irradiated target cannot be destroyed when it is detected. In addition, the irradiated target has a special shape, so a device dedicated to detecting the irradiated target is needed. Summary of the invention

[0004] To solve at least one aspect of the above problems, an embodiment of the present invention provides an irradiated target detection device, comprising: a shielding body; a detection device, which is arranged in the shielding body, and the detection device includes a transmitter and a receiver, and a detection space is formed between the transmitter and the receiver; a target inlet, which passes through the shielding body and communicates with the detection space; a rotating clamping part, which is arranged outside the shielding body, and the rotating clamping part can drive the irradiated target to rotate; and a translational clamping part, which is arranged outside the shielding body, and the rotating clamping part can drive the irradiated target to translate; wherein the target inlet, the rotating clamping part and the translational clamping part are coaxially arranged. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0006] Figure 1 is a schematic diagram of an irradiated target detection device according to an embodiment of the present invention;

[0007] Figure 2 is a schematic diagram of an irradiated target detection device according to an embodiment of the present invention;

[0008] Figure 3 The figure is a flow chart of the irradiated target detection method according to an embodiment of the present invention.

[0009] It should be noted that the drawings are not necessarily drawn to scale, but are merely shown in a schematic manner that does not affect the reader's understanding. DETAILED DESCRIPTION

[0010] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0011] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in this application should be the usual meanings understood by people with general skills in the field to which this application belongs. If the full text involves descriptions such as "first" and "second", the descriptions such as "first" and "second" are only used to distinguish similar objects, and cannot be understood as indicating or implying their relative importance, order of precedence, or implicitly indicating the number of technical features indicated. It should be understood that the data described by "first" and "second" can be interchangeable under appropriate circumstances. If "and / or" appears in the full text, its meaning is to include three parallel schemes, taking "A and / or B" as an example, including scheme A, or scheme B, or schemes that A and B meet at the same time. In addition, for the convenience of description, spatial relative terms such as "above", "below", "top", "bottom", etc. can be used here, which are only used to describe the spatial position relationship between a device or feature as shown in the figure and other devices or features, and should be understood to also include different orientations in use or operation except for the orientation shown in the figure.

[0012] See also Figure 1 An embodiment of the present invention provides an irradiation target detection device, comprising: a shielding body 10; a detection device, the detection device is arranged in the shielding body 10, the detection device comprises a transmitter 21 and a receiver 22, and a detection space 11 is formed between the transmitter 21 and the receiver 22; a target inlet 31, the target inlet 31 passes through the shielding body 10 and communicates with the detection space 11; a rotating clamping part, which is arranged outside the shielding body 10 and can drive the irradiation target 60 to rotate; a translation clamping part, which is arranged outside the shielding body 10 and can drive the irradiation target 60 to translate; wherein the target inlet 31, the rotating clamping part and the translation clamping part are coaxially arranged.

[0013] In the embodiment of the present invention, the irradiation target 60 is detected by the detection device. The irradiation target 60 is driven to rotate by the rotating clamping part to detect the irradiation target 60 from different angles, and the irradiation target 60 is driven to translate by the translation clamping part to detect the structure of different positions of the irradiation target 60. The diameter of the irradiation target 60 is relatively small, about 10 mm, but the length of the irradiation target 60 can reach several meters. Therefore, in order to keep the irradiation target 60 in a straight state during the detection, in the embodiment of the present invention, the target inlet 31, the rotating clamping part and the translation clamping part are coaxially arranged, and the target inlet 31, the rotating clamping part and the translation clamping part are all coaxial with the target axis, which can avoid bending the irradiation target 60 and prevent damage to the irradiation target 60.

[0014] The shielding body 10 may be made of a material capable of absorbing radiation, such as lead. A cavity is formed in the shielding body 10 to accommodate a detection device and provide a detection space 11. The detection device may be a device that detects the irradiated target 60 by emitting radiation, such as a computed tomography (CT) device. The shielding body 10 may shield the radiation emitted by the detection device, and may also shield a portion of the radiation of the irradiated target 60 when the irradiated target 60 is detected.

[0015] When the irradiated target detection device detects the irradiated target 60, the irradiated target 60 enters the detection space 11 formed by the transmitter 21 and the receiver 22 of the detection device to detect the irradiated target 60. The transmitter 21 and the receiver 22 can be arranged relative to each other, the transmitter 21 can be arranged at one end of the inner cavity of the shielding body 10, and the receiver 22 can be arranged at the other end of the inner cavity of the shielding body 10. Figure 1 In the illustrated embodiment, the transmitter 21 is disposed above the inner cavity of the shielding body 10, and the receiver 22 is disposed below the inner cavity of the shielding body 10. The transmitter 21 emits radiation, and the receiver 22 receives the radiation emitted by the transmitter 21. When the radiation passes through the irradiation target 60, the structure inside the irradiation target 60 can be determined through the radiation received by the receiver 22.

[0016] In a preferred embodiment of the present invention, the rotating clamping portion is disposed at a position of the shielding body 10 where the target inlet 31 is provided, and is coaxially disposed with the target inlet 31 .

[0017] The rotating clamping part is arranged at the position where the shielding body 10 has the target inlet 31, that is, the rotating clamping part is arranged on the outer wall of the shielding body 10, and the rotating clamping part is connected and communicated with the target inlet 31. By arranging the rotating clamping part at the position where the shielding body 10 has the target inlet 31 and arranging it coaxially with the target inlet 31, the rotating clamping part and the target inlet 31 can form a longer support length together, thereby preventing the irradiated target 60 from bending.

[0018] In a preferred embodiment of the present invention, the rotating clamping part includes a rotating driving part 42 and a rotating part 41. The rotating driving part 42 is fixedly arranged at a position where the shielding body 10 has a target inlet 31. The rotating part 41 is rotatably connected to the rotating driving part 42. The rotating driving part 42 can drive the rotating part 41 to rotate. The rotating part 41 is used to clamp the irradiation target 60.

[0019] The rotating clamping part includes a rotating driving part 42 and a rotating part 41 rotatably connected to the rotating driving part 42. The rotating driving part 42 is fixedly arranged at a position having a target inlet 31 on the outer wall of the shielding body 10. The rotating driving part 42 can drive the rotating part 41 to rotate. The rotating part 41 has a structure for clamping the irradiated target 60. When the rotating driving part 42 drives the rotating part 41 to rotate, the rotating part 41 drives the irradiated target 60 to rotate together so as to detect the irradiated target 60 from different angles.

[0020] The rotating driving part 42 has a through hole through which the irradiation target 60 can pass, and the rotating part 41 has a clamping part whose size can be adjusted and through which the irradiation target 60 can pass. The irradiation target 60 can be clamped by adjusting the size of the clamping part. The clamping part of the rotating part 41 can clamp the irradiation target 60 in the circumferential direction to prevent damage to the irradiation target 60.

[0021] In a preferred embodiment of the present invention, the translation clamping portion includes a translation driving portion 52 and a translation clamping portion 51, and the translation clamping portion 51 is fixedly connected to the translation driving portion 52. The translation driving portion 52 can drive the translation clamping portion 51 to move along the axial direction of the target inlet 31, and the translation clamping portion 51 is used to clamp the irradiation target 60.

[0022] The translation clamping part has a translation driving part 52, and the translation clamping part 51 is arranged on the translation driving part 52. The translation driving part 52 can drive the translation clamping part 51 to move along the axial direction of the target inlet 31. In this way, when the translation clamping part 51 clamps the irradiation target 60, the irradiation target 60 can be moved along the axial direction of the target inlet 31 to prevent the irradiation target 60 from being damaged when it moves in other directions. The position of the translation driving part 52 can be adjusted so that the clamping part of the translation clamping part 51 arranged on the translation driving part 52 is coaxial with the target inlet 31 and the rotation driving part 42.

[0023] The translation clamping portion 51 may be composed of two semicircular upper and lower parts, which match the outer contour of the irradiation target. By moving the upper and lower parts of the semicircle closer or farther away, the translation clamping portion 51 can grasp or release the irradiation target 60. When the translation clamping portion 51 releases the irradiation target 60, the lower part of the semicircle can hold up the irradiation target 60 to prevent the irradiation target 60 from bending.

[0024] In some embodiments, when the irradiation target 60 is rotated, the rotating clamping part clamps the irradiation target 60 and the translating clamping part releases the irradiation target 60 ; when the irradiation target is translated, the translating clamping part clamps the irradiation target 60 and the rotating clamping part releases the irradiation target 60 .

[0025] In a preferred embodiment of the present invention, the translation clamp further comprises a sensor, which is configured to sense the position of the end of the irradiation target 60. By sensing the position of the end of the irradiation target 60, the translation distance of the translation clamp can be determined.

[0026] In a preferred embodiment of the present invention, it also includes a target outlet 32 ​​arranged opposite to the target inlet 31, the target outlet 32 ​​penetrates the shielding body 10 and communicates with the detection space 11, and the target outlet 32, the target inlet 31, the rotating clamping part and the translation clamping part are coaxially arranged.

[0027] The irradiated target detection device in the embodiment of the present invention is usually used in conjunction with an irradiated target 60 puncturing device and an irradiated target cutting device. When the detection device completes the detection of the irradiated target 60, the internal structural information of the irradiated target 60 can be obtained. This information can be used for subsequent puncturing or cutting steps. By setting a target outlet 32, the irradiated target 60 can enter the next process after the detection is completed, so as to achieve the continuity of the related processes of the irradiated target 60.

[0028] See also Figure 2 In a preferred embodiment of the present invention, the transmitter 21, the receiver 22 and the shielding body 10 form a slit-shaped detection space 11, the slit of the slit-shaped detection space 11 extends along the axial direction of the target inlet 31, and the width of the slit is equal to the diameter of the irradiated target 60. The two opposite walls of the shielding body 10 can be arranged adjacent to each other to form a slit with a diameter substantially equal to the diameter of the irradiated target 60 between the two walls, and the transmitter 21 and the receiver 22 can detect the irradiated target 60 in the slit. Through this arrangement, the two opposite walls of the shielding body 10 can form a collimated structure to improve the detection accuracy.

[0029] See also Figure 3 The embodiment of the present invention further provides a method for detecting an irradiated target, which can be performed using the device provided by the embodiment of the present invention. The method includes:

[0030] S101, determining an expected position of a seam in an irradiated target;

[0031] S102, determining a first translation distance for irradiating the target based on the expected position;

[0032] S103, based on the first translation distance, the portion of the irradiated target having the seam is translated into the detection space 11;

[0033] S104, detecting the actual position of the seam in the irradiated target;

[0034] S105, calculating the deviation between the actual position and the expected position;

[0035] S106, determining a second translation distance for irradiating the target based on the deviation.

[0036] The interior of the irradiation target is composed of multiple sections of lithium ceramics, and there are seams between the multiple sections of lithium ceramics. As mentioned above, after checking the internal structure of the irradiation target, the irradiation target needs to be punctured or cut. When cutting the irradiation target, the cutting position needs to be consistent with the position of the internal seam of the irradiation target. Before irradiating the irradiation target, the position of the seam in the irradiation target can be determined in advance, that is, the expected position of the seam of the irradiation target. However, after the irradiation target is irradiated, the irradiation target will deform to a certain extent, and the position of the seam will change to a certain extent. Therefore, it is necessary to determine the actual position of the seam, and based on the deviation between the actual position and the expected position, determine the translation distance of the irradiation target to achieve cutting of the irradiation target from the seam position of the irradiation target.

[0037] In a preferred embodiment of the present invention, the position of the end of the irradiated target is determined, and the first translation distance is determined according to the position of the end of the irradiated target and the expected position. The position of the end of the irradiated target can be determined by a sensor disposed on the translation clamp.

[0038] In some embodiments, when calculating the deviation between the actual position and the expected position, the detection equipment can be calibrated to obtain the axis position of the detection equipment. When the irradiated target is moved a first moving distance, the expected position of the irradiated target can be moved to the axis position of the detection equipment. Then, the actual position of the joint is detected by the detection equipment. At this time, the difference between the actual position and the axis of the detection equipment is the deviation between the actual position and the expected position.

[0039] In some embodiments, when determining the second translation distance of the irradiation target based on the deviation, the distance between the irradiation target detection device and the irradiation target cutting device can be determined first, and then the second translation distance can be determined based on the distance, so that the cutting position of the irradiation target by the irradiation target cutting device is the actual position of the seam position.

[0040] Regarding the embodiments of the present application, it should also be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other to obtain new embodiments.

[0041] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An irradiated target detection device, comprising: Shielding body; A detection device, the detection device is arranged in the shielding body, the detection device comprises a transmitter and a receiver, and a detection space is formed between the transmitter and the receiver; a target inlet, the target inlet passing through the shielding body and communicating with the detection space; A rotating clamping part, disposed outside the shielding body, and capable of driving the irradiation target to rotate; A translation clamping part is arranged outside the shielding body, and the rotation clamping part can drive the irradiation target to translate; Wherein, the target inlet, the rotating clamping part and the translating clamping part are coaxially arranged; The detection equipment is a computer tomography detection equipment.

2. The device according to claim 1, wherein: The rotating clamping portion is disposed at a position where the shielding body has the target inlet, and is coaxially disposed with the target inlet.

3. The device according to claim 2, wherein: The rotating clamping part includes a rotating driving part and a rotating part. The rotating driving part is fixedly arranged at a position where the shielding body has the target inlet. The rotating part is rotatably connected to the rotating driving part. The rotating driving part can drive the rotating part to rotate. The rotating part is used to clamp the irradiation target.

4. The device according to claim 1, wherein: The translation clamping part includes a translation driving part and a translation clamping part, the translation clamping part is fixedly connected to the translation driving part, the translation driving part can drive the translation clamping part to move along the axial direction of the target inlet, and the translation clamping part is used to clamp the irradiation target.

5. The device according to claim 4, wherein: The translation clamp also includes a sensor configured to sense a position of an end of the irradiation target.

6. The device according to claim 1, wherein: It also includes a target outlet arranged opposite to the target inlet, the target outlet passes through the shielding body and communicates with the detection space, and the target outlet, the target inlet, the rotating clamping part and the translatory clamping part are coaxially arranged.

7. The device according to claim 1, wherein: The transmitter, the receiver and the shielding body form a slit-shaped detection space, the slit of the slit-shaped detection space extends along the axial direction of the target inlet, and the width of the slit is equal to the diameter of the irradiated target.

8. A method for detecting an irradiated target, the method being performed using the apparatus according to any one of claims 1 to 7, the method comprising: determining an expected location of a seam of the irradiated target; Based on the expected position, determining a first translation distance of the irradiation target; Based on the first translation distance, the portion of the irradiation target having the seam is translated into the detection space; detecting an actual position of a seam of the irradiated target in the detection space; Calculating a deviation between the actual position and the expected position; Based on the deviation, a second translation distance of the irradiation target is determined.

9. The method according to claim 8, wherein: Based on the expected position, determining a first translation distance of the irradiation target comprises: determining a position of an end of the irradiation target; The first translation distance is determined according to the position of the end of the irradiation target and the expected position.

Images