CN216594867U - Size calibration device and imaging detection system - Google Patents
Size calibration device and imaging detection system Download PDFInfo
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- CN216594867U CN216594867U CN202123072758.0U CN202123072758U CN216594867U CN 216594867 U CN216594867 U CN 216594867U CN 202123072758 U CN202123072758 U CN 202123072758U CN 216594867 U CN216594867 U CN 216594867U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses a size calibration device and an imaging detection system, wherein the size calibration device comprises: a base; the standard block is provided with a preset known shape and size, one end of the standard block is movably connected with the base, the other end of the standard block is far away from the base, and the standard block and the object to be detected are arranged between the ray source and the flat panel detector together; in the radiographic direction, the standard has a predetermined thickness. The base is provided with the standard part with the preset known thickness, and the standard part is used for being arranged between the ray source and the flat panel detector together with an object to be detected (such as a lithium battery), so that the standard part can be used as reference calibration of the object to be detected, the image scaling of the corresponding position of the object to be detected is calibrated through the image scaling of the standard part, and the actual size of the corresponding position of the object to be detected is obtained. The standard part is movably arranged, so that the standard part can calibrate the scaling of different positions of the same object to be measured, and further the actual sizes of the different positions of the object to be measured are obtained.
Description
Technical Field
The utility model relates to the technical field of lithium battery detection, in particular to a size calibration device and an imaging detection system.
Background
In the lithium cell production, for guaranteeing the quality of lithium cell, need carry out the formation of image with the ray to the inner structure of lithium cell and detect, nevertheless because the ray that the ray source sent is the toper on the whole and disperses, and the lithium cell has certain thickness again, under this condition, carry out the formation of image with the ray to the inner structure of lithium cell and detect, the different thickness positions of lithium cell can appear, the inconsistent phenomenon of formation of image proportion on flat panel detector just is difficult to obtain the accurate size of the different thickness positions of lithium cell.
SUMMERY OF THE UTILITY MODEL
The utility model provides a size calibration device and an imaging detection system, which are used for solving the problem of inaccurate sizes of different thickness positions in the imaging detection process of a lithium battery.
In one embodiment, a dimension calibration apparatus is provided, including:
a base; and
the standard block is provided with a preset known shape and size, one end of the standard block is movably connected with the base, the other end of the standard block is far away from the base, and the standard block is used for being placed between the ray source and the flat panel detector together with an object to be detected.
In one embodiment, the standard block is a cylindrical rod.
In one embodiment, one end of the standard block is connected with the base in a sliding mode along the thickness direction of the standard block.
In one embodiment, the base is provided with a guide groove, a guide block and a locking member, the guide block is slidably connected with the guide groove, one end of the standard block is fixedly connected with the guide block, the locking member is connected with the guide block and the base, and the locking member is used for fixing the position of the guide block relative to the guide groove.
In one embodiment, the base is provided with a connecting hole communicated with the guide groove, the connecting hole is a long hole extending along the length direction of the guide groove, the locking member is a locking bolt, and the locking bolt penetrates through the connecting hole to be connected with the guide block.
In one embodiment, the guide groove is a T-shaped groove or a dovetail groove, and the guide block has a connecting structure adapted to the guide groove.
In one embodiment, the base is provided with scale marks along the length direction of the guide groove, and the guide block is provided with a reading mark matched with the scale marks.
In one embodiment, one end of the standard block is connected with the base in a swinging mode.
In one embodiment, an imaging detection system is provided, comprising:
a radiation source for emitting a detection radiation;
the flat panel detector is vertical to the central line of the detection ray emitted by the ray source; and
in the above dimension calibration apparatus, the standard block is located in a detection region between the radiation source and the flat panel detector.
According to the dimension calibration device and the imaging detection system of the embodiment, the standard block with the known thickness is preset on the base and is used for being placed between the ray source and the flat panel detector together with the object to be measured (such as a lithium battery), so that the standard block can be used as reference calibration of the object to be measured, the image scaling of the corresponding position of the object to be measured is calibrated through the image scaling of the standard block, and further the actual dimension of the corresponding position of the object to be measured is obtained. The standard block is movably arranged, so that the standard block can calibrate the scaling of different positions of the same object to be measured, and further the actual sizes of the different positions of the object to be measured are obtained.
Drawings
FIG. 1 is a schematic structural diagram of a dimension calibration apparatus in one embodiment;
FIG. 2 is a front view of a dimension calibration apparatus in one embodiment;
FIG. 3 is a side view of a dimension calibration apparatus in one embodiment;
FIG. 4 is a rear view of a dimension calibration apparatus in one embodiment;
FIG. 5 is a top view of a dimension calibration apparatus in one embodiment;
FIG. 6 is a schematic diagram of an imaging detection system in one embodiment;
wherein the reference numbers are as follows:
the method comprises the following steps of 1-base body, 11-guide groove, 12-connecting hole, 13-scale mark, 2-standard block, 3-guide block, 31-reading mark, 4-locking piece, 5-ray source, 51-ray, 6-flat panel detector and 7-object to be detected.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
In one embodiment, the size calibration device is used for calibrating the scaling of objects to be measured such as lithium batteries during radiation detection so as to obtain the actual size of the objects to be measured.
Referring to fig. 1 to 5, the dimension calibration apparatus of the present embodiment mainly includes a base 1 and a standard block 2, the standard block 2 is mounted on the base 1, and the standard block 2 is movably adjustable, and the standard block 2 can relatively move with respect to the base 1 to adjust a position of the standard block 2 in a detection area. Wherein, standard block 2 is installed with unsettled mode, and the one end and the base 1 of standard block 2 are connected, and base 1 formation free end is kept away from to the other end of standard block 2, and unsettled mode installation standard block 2 divides into both sides with standard block 2 and base 1 for in the demarcation testing process, can be with standard block 2 as for in the detection area, outside base 1 placed the detection area in, and then can avoid base 1 to the interference of surveying.
The base 1 is provided with a guide block 3 and a locking member 4, and the guide block 3 and the locking member 4 are used for adjusting the position of the standard block 2 on the base 1.
The base 1 is a square structure, the base 1 is provided with a guide groove 11 from top to bottom, the base 1 is further provided with a connecting hole 12 communicated with the guide groove 11, and the connecting hole 12 is a long hole extending along the length direction (the vertical direction in the figure) of the guide groove 11. The coupling hole 12 is connected to the bottom surface (the surface opposite to the notch) in the guide groove 11, and the coupling hole 12 may be connected to the side surface of the guide groove 11. The base 1 is provided with a guide block 3, the guide block 3 is connected with the guide groove 11 in a sliding way, and the guide block 3 can slide up and down along the guide groove 11. The locking piece 4 is a locking bolt which passes through the connecting hole 12 and is fixedly connected with the guide block 3 in the guide groove 11. The retaining member 4 can slide up and down along with the guide block 3, and the retaining member 4 has a locking effect and can lock the guide block 3 in the guide groove 11. One end of the standard block 2 and the end face of the guide block 3, which faces away from the base 1, are arranged, and the standard block 2 is arranged vertically relative to the guide block 3. The control guide block 3 and the locking piece 4 can adjust the position of the standard block 2 on the base 1 to form movable adjustment of the position of the standard block 2.
In this embodiment, guide slot 11 is T type groove, and the notch narrows down the setting, and guide block 3 is equipped with the T type connecting portion with T type groove adaptation, and the setting in T type groove makes guide block 3 at the ascending degree of freedom of vertical sliding direction by the restriction, can improve the gliding stability of guide block 3.
In other embodiments, the guide groove 11 is a dovetail groove, and the guide block 3 is provided as a corresponding dovetail connection portion, so that the guide block 3 can be limited.
In this embodiment, the standard block 2 is preferably a cylindrical rod, and the standard block 2 has a predetermined known diameter, i.e., a known thickness in the probing direction. The cylinder rod structure is at the detection in-process, and the image of projecting on the flat panel detector only has two sidelines in length direction, and the formation of image is clear, can avoid the interference of unnecessary projection line. Of course, the standard block 2 can also be an elliptical rod or a square rod, and the calibration size can also be realized.
The calibration principle of the dimension calibration device of the embodiment is as follows:
referring to fig. 6, the object to be measured 7 (lithium battery) and the standard block 2 are placed between the radiation source 5 and the flat panel detector 6, the object to be measured 7 (lithium battery) and the standard block 2 are closer to the flat panel detector 6, and the middle positions of the object to be measured 7 and the standard block 2 are aligned on one surface. The ray source 5 emits a conical ray 51, the ray 51 penetrates through the object to be measured 7 and projects onto the flat panel detector 6 to form an image of the object to be measured, the ray 51 penetrates through the standard block 2 and projects onto the flat panel detector 6 to form an image of the standard block, the scaling of the standard block 2 can be calculated according to the actual thickness of the standard block 2 and the image of the standard block, and the scaling of projection imaging of the middle position of the object to be measured 7 is the same as that of the standard block 2 due to the fact that the standard block 2 and the middle position of the object to be measured 7 are located on the same plane, and the actual thickness size of the object to be measured 7 can be calculated through the scaling and the image of the object to be measured.
The actual thickness dimension of the object to be measured 7 is mainly obtained through calculation processing of the processor, so that automatic measurement is realized, and the measurement efficiency and accuracy can be improved. Of course, after the dimension calibration device is imaged by the ray source 5 and the flat panel detector 6, the scaling of the standard block 2 and the actual thickness dimension of the object to be measured 7 can be calculated in a manual calculation mode. Namely, the setting of the size calibration device can assist the thickness measurement of the object to be measured 7 without depending on a processing algorithm.
In this embodiment, the standard block 2 can move and adjust along the central line direction of the ray bundle, so that the standard block 2 can adjust the position relation between the relative objects to be measured 7, and further calibrate the actual thickness dimension of the corresponding position of the object to be measured 7.
In other embodiments, one end of the standard block 2 may be connected to the guide block 3 or the base 1 through a damping rotating shaft in a swinging manner, so that the standard block 2 can perform adaptive calibration on the irregular object 7 to be measured. Or, one end of the standard block 2 can be connected with the guide block 3 or the base 1 in a swinging mode through a universal head with damping, so that the freedom degree of the standard block 2 is further improved, and the standard block 2 can be used for carrying out adaptive calibration on the irregular object 7 to be measured.
Referring to fig. 1 and 2, in the embodiment, the base 1 is provided with the scale mark 13 on the surface of the notch of the guide groove 11, the scale mark 13 is arranged along the length of the guide groove 11, the guide block 3 is provided with the reading mark 31, the reading mark 31 is a mark line, and the reading mark 31 may also be a mark symbol or other mark symbols. During the moving adjustment process of the guide block 3 and the standard block 2 along the guide groove 11, the moving amount of the guide block 3 and the standard block 2 can be controlled through the scale marks 13, so that the position of the standard block 2 can be controlled more accurately.
In this embodiment, the standard block 2 with a preset known thickness is disposed on the base 1, and the standard block 2 is used to be placed between the radiation source 5 and the flat panel detector 6 together with the object to be measured 7 (such as a lithium battery), so that the standard block 2 can be used as a reference calibration of the object to be measured 7, and the image scaling of the corresponding position of the object to be measured 7 is calibrated according to the image scaling of the standard block 2, thereby obtaining the actual size of the corresponding position of the object to be measured 7. The standard block 2 is movably arranged, so that the standard block 2 can calibrate the scaling of different positions of the same object to be measured 7, and further obtain the actual sizes of the different positions of the object to be measured.
Referring to fig. 6, in an embodiment, an imaging detection system is provided, and the imaging detection system mainly includes a radiation source 5, a flat panel detector 6, and a size calibration apparatus in any of the above embodiments.
In this embodiment, the radiation source 5 and the flat panel detector 6 are spaced apart, and the flat panel detector 6 is perpendicular to the central line of the radiation 51 emitted from the radiation source 5, i.e. the flat panel detector 6 is perpendicular to the cone-shaped radiation 51 emitted from the radiation source 5. A space for placing the object to be measured 7 and the standard block 2 is arranged between the flat panel detector 6 and the radiation source 5. The radiation source 5 is used for emitting conical rays 51 for detection, and irradiating the rays 51 onto the object to be detected 7 and the standard block 2, and the flat panel detector 6 is used for acquiring rays projected by the object to be detected 7 and the standard block 2 to form an object image and a standard block image.
In this embodiment, the end of the standard block 2 connected to the guide block 3 on the base 1 and the base 1 are located outside the tapered detection area between the radiation source 5 and the flat panel detector 6, wherein the guide block 3 and the locking member 4 on the base 1 are located outside the detection area, and only the end of the standard block 2 away from the base 1 and the middle portion of the standard block 2 are located inside the detection area. That is, only the standard block 2 in the size calibration device is placed in the detection area, and all the components outside the standard block 2 are positioned outside the detection area, so as to avoid the interference of other components on the projection imaging.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the utility model and are not intended to be limiting. For a person skilled in the art to which the utility model pertains, several simple deductions, modifications or substitutions may be made according to the idea of the utility model.
Claims (9)
1. A dimension calibration device, comprising:
a base; and
the standard block is provided with a preset known shape and size, one end of the standard block is movably connected with the base, the other end of the standard block is far away from the base, and the standard block is used for being placed between the ray source and the flat panel detector together with an object to be detected.
2. The dimension calibration device as recited in claim 1, wherein the standard block is a cylindrical rod.
3. The dimension calibration device as recited in claim 1, wherein one end of the standard block is slidably connected with the base along a thickness direction of the standard block.
4. The dimension calibration device as recited in claim 3, wherein the base is provided with a guide groove, a guide block and a locking member, the guide block is slidably connected with the guide groove, one end of the standard block is fixedly connected with the guide block, the locking member is connected with the guide block and the base, and the locking member is used for fixing the position of the guide block relative to the guide groove.
5. The dimension calibration device according to claim 4, wherein the base is provided with a connecting hole communicated with the guide groove, the connecting hole is a long hole extending along the length direction of the guide groove, the locking member is a locking bolt, and the locking bolt penetrates through the connecting hole to be connected with the guide block.
6. The dimension calibration device of claim 4, wherein the guide groove is a T-shaped groove or a dovetail groove, and the guide block is provided with a connecting structure matched with the guide groove.
7. The dimension calibration device as claimed in claim 4, wherein the base is provided with scale marks along the length direction of the guide groove, and the guide block is provided with reading marks matched with the scale marks.
8. The dimension calibration device as recited in claim 1, wherein one end of said standard block is pivotally connected to said base.
9. An imaging inspection system, comprising:
a radiation source for emitting a detection radiation;
the flat panel detector is vertical to the central line of the detection ray emitted by the ray source; and
the dimension calibration device as recited in any one of claims 1 to 8, wherein the standard block is located in a detection area between the radiation source and the flat panel detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072758.0U CN216594867U (en) | 2021-12-08 | 2021-12-08 | Size calibration device and imaging detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072758.0U CN216594867U (en) | 2021-12-08 | 2021-12-08 | Size calibration device and imaging detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216594867U true CN216594867U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123072758.0U Active CN216594867U (en) | 2021-12-08 | 2021-12-08 | Size calibration device and imaging detection system |
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| Country | Link |
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| CN (1) | CN216594867U (en) |
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2021
- 2021-12-08 CN CN202123072758.0U patent/CN216594867U/en active Active
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