CN111770256A - Parallelism adjusting structure for scientific grade CMOS camera - Google Patents
Parallelism adjusting structure for scientific grade CMOS camera Download PDFInfo
- Publication number
- CN111770256A CN111770256A CN202010697883.1A CN202010697883A CN111770256A CN 111770256 A CN111770256 A CN 111770256A CN 202010697883 A CN202010697883 A CN 202010697883A CN 111770256 A CN111770256 A CN 111770256A
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- mounting surface
- parallelism
- adjusting
- scientific
- cmos camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
Abstract
The invention relates to the technical field of industrial cameras, in particular to a parallelism adjusting structure for a scientific grade CMOS camera, which comprises a camera main body, an adjustable plate and an adjusting component, wherein the adjustable plate is arranged on the camera main body; the camera body comprises an imaging surface and a first mounting surface which are parallel to each other, the adjustable plate comprises a second mounting surface, the first mounting surface is connected with the second mounting surface through an adjusting assembly, and the adjusting assembly is used for adjusting the distance between at least one adjusting point on the first mounting surface and the second mounting surface. The parallelism adjusting structure for the scientific grade CMOS camera provided by the invention adjusts the parallelism of the imaging surface and the mounting surface of the camera body after being assembled from the outside by using the adjusting component, reduces the parallelism deviation generated by assembly, and enables the industrial camera to obtain higher-quality images.
Description
Technical Field
The invention relates to the technical field of industrial cameras, in particular to a parallelism adjusting structure for a scientific grade CMOS camera.
Background
Scientific cameras generally take a target through a digital image and convert the target into an image signal, and the captured image is used for measurement and judgment instead of human eyes. There are many factors that affect the image quality of a scientific grade camera. The parallelism between the light-sensing surface of the chip and the camera mounting reference surface is one of the key factors influencing the image quality. Since the scientific camera chip has a certain parallelism deviation, a certain parallelism accumulated tolerance is inevitably generated between the parts in the assembly process of the parts, which affects the final quality of the image. Therefore, how to make scientific cameras obtain higher quality images is the current main research direction.
Disclosure of Invention
To overcome the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide a parallelism adjusting structure for a scientific grade CMOS camera that can improve image quality.
In order to solve the technical problems, the invention adopts the technical scheme that: a parallelism adjusting structure for a scientific grade CMOS camera comprises a camera body, an adjustable plate and an adjusting component;
the camera body comprises an imaging surface and a first mounting surface which are parallel to each other, the adjustable plate comprises a second mounting surface, the first mounting surface is connected with the second mounting surface through an adjusting assembly, and the adjusting assembly is used for adjusting the distance between at least one adjusting point on the first mounting surface and the second mounting surface.
The invention has the beneficial effects that: the parallelism adjusting structure for the scientific grade CMOS camera comprises a camera body, an adjustable plate and an adjusting assembly, wherein the camera body comprises an imaging surface and a first mounting surface which are parallel to each other, a second mounting surface of the adjustable plate is matched and mounted with the camera body through the adjusting assembly, the adjusting assembly is used for adjusting the parallelism of the imaging surface and the mounting surface of the camera body after the camera body is assembled from the outside, the parallelism deviation generated by assembly is reduced, and the industrial camera can obtain images with higher quality.
Drawings
FIG. 1 is a schematic structural diagram of a parallelism adjusting structure for a scientific grade CMOS camera according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a parallelism adjusting structure for a scientific grade CMOS camera according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another embodiment of a parallelism adjusting structure for a scientific grade CMOS camera;
description of reference numerals:
1. a camera body; 11. an imaging plane; 12. a first mounting surface; 121. a first screw hole; 122. positioning the boss; 13. a chip; 14. a housing; 141. mounting grooves; 1411. a first lock hole; 142. a third lock hole;
2. an adjustable plate; 21. a second mounting surface; 211. a first through hole; 212. a second screw hole; 213. positioning a groove;
3. an adjustment assembly; 31. a pressing part; 32. a support portion; 33. a compression member; 34. a support member;
4. a fixing assembly; 41. a glass fiber board; 411. a third mounting surface; 412. a second lock hole; 42. a PCB board; 421. a fourth mounting surface; 4211. and a fourth lock hole.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a parallelism adjusting structure for a scientific grade CMOS camera according to the present invention includes a camera body, an adjustable plate and an adjusting assembly;
the camera body comprises an imaging surface and a first mounting surface which are parallel to each other, the adjustable plate comprises a second mounting surface, the first mounting surface is connected with the second mounting surface through an adjusting assembly, and the adjusting assembly is used for adjusting the distance between at least one adjusting point on the first mounting surface and the second mounting surface.
From the above description, the beneficial effects of the present invention are: the parallelism adjusting structure for the scientific grade CMOS camera comprises a camera body, an adjustable plate and an adjusting assembly, wherein the camera body comprises an imaging surface and a first mounting surface which are parallel to each other, a second mounting surface of the adjustable plate is matched and mounted with the camera body through the adjusting assembly, the adjusting assembly is used for adjusting the parallelism of the imaging surface and the mounting surface of the camera body after the camera body is assembled from the outside, the parallelism deviation generated by assembly is reduced, and the industrial camera can obtain images with higher quality.
Further, the adjusting assembly comprises a pressing part used for pressing the adjustable plate to the camera body and a supporting part used for supporting the adjustable plate to be far away from the camera body.
As can be seen from the above description, the pressing portion is used to adjust the adjustable plate to approach the camera body, the pressing portion is used to keep the adjustable plate away from the camera body, and the pressing portion and the supporting portion are designed independently, so as to facilitate the operation and adjustment.
Further, the adjusting assembly comprises a pressing piece and a supporting piece;
a first screw hole is formed in the first mounting surface;
a first through hole and a second screw hole are formed in the second mounting surface;
one end of the pressing piece penetrates through the first through hole and then is in threaded connection with the first screw hole, and the pressing part is arranged on the pressing piece;
the supporting part is in threaded connection with the second screw hole, and the supporting part is arranged on the supporting part.
As can be seen from the above description, the adjusting assembly includes a pressing member and a supporting member that are independent of each other, the pressing member passes through the first through hole on the second mounting surface and then is in threaded connection with the first screw hole on the first mounting surface, and then the pressing portion at the tail portion is used for restraining the adjustable plate; the support part is in threaded connection with the second screw hole on the second mounting surface, and the support part can abut against the support part so as to jack up the adjustable plate relative to the camera body.
Furthermore, more than two groups of first screw holes are arranged on the first mounting surface in an annular array, and more than two groups of first through holes and more than two groups of second screw holes are alternately arranged on the second mounting surface in an annular manner.
From the above description, the first screw holes are arranged in an annular array, and the first through holes and the second screw holes are alternately arranged in an annular shape, so that the first mounting surface and the second mounting surface can be flexibly adjusted at any position in the circumferential direction, and the adjusted parallelism error is less than or equal to 0.02/100.
Furthermore, a positioning boss is arranged on the first mounting surface, and a positioning groove in nested fit with the positioning boss is arranged on the second mounting surface.
From the above description, the positioning boss is nested and matched with the positioning groove, so that the relative position stability of the first mounting surface and the second mounting surface after matching is improved, and the parallelism adjustment between the mounting surface and the imaging surface is facilitated.
Further, the camera body comprises a chip and a shell, the chip is connected with the shell through a fixing assembly, the imaging surface is arranged on the chip, and the first mounting surface is arranged on the shell.
From the above description, the chip is mounted on the housing through the fixing component, and the parallelism between the imaging surface and the first mounting surface is ensured to be unchanged.
Furthermore, the fixing assembly comprises a glass fiber board, the glass fiber board is installed on the shell, a third installation surface is arranged on the glass fiber board, the third installation surface is parallel to the first installation surface, and the chip is installed on the third installation surface.
As is apparent from the above description, the chip is mounted on the third mounting surface of the glass fiber plate, and the third mounting surface of the glass fiber plate is designed to be parallel to the first mounting surface, so that the parallelism among the imaging surface, the first mounting surface, and the second mounting surface can be adjusted as long as the parallelism of the imaging surface of the chip and the third mounting surface of the glass fiber plate is maintained.
Furthermore, the casing is provided with a mounting groove, the inner wall of the mounting groove is provided with a first lock hole, the glass fiber board is embedded in the mounting groove, and the glass fiber board is provided with a second lock hole locked with the first lock hole.
From the above description, the glass fiber board is locked in the mounting groove of the housing, and the mounting groove plays a role in limiting and fixing.
Furthermore, the fixing assembly further comprises a PCB, the PCB is connected with the shell, and the PCB is used for fixing the chip on the third mounting surface.
From the above description, the PCB is used to make the chip tightly attached to the third mounting surface of the glass fiber board, thereby improving the parallelism adjusting accuracy.
Furthermore, a fourth mounting surface is arranged on the PCB and parallel to the first mounting surface, a third locking hole is arranged on the shell, and a fourth locking hole locked with the third locking hole is arranged on the fourth mounting surface.
From the above description, it can be known that the fourth mounting surface is used for pressing the chip, the PCB is connected with the housing in a locking manner, and the parallelism between the fourth mounting surface and the first mounting surface is ensured, so that the parallelism adjustment quality between the final imaging surface and the first mounting surface is ensured.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: a parallelism adjusting structure for a scientific grade CMOS camera comprises a camera body 1, an adjustable plate 2 and an adjusting component 3; the camera body 1 comprises an imaging surface 11 and a first mounting surface 12 which are parallel to each other, the adjustable plate 2 comprises a second mounting surface 21, the first mounting surface 12 is connected with the second mounting surface 21 through an adjusting component 3, the adjusting component 3 is used for adjusting the distance between at least one adjusting point on the first mounting surface 12 and the second mounting surface 21 so as to adjust the parallelism between the first mounting surface 12 and the second mounting surface 21, and the parallelism error between the adjusted first mounting surface 12 and the adjusted second mounting surface 21 is 0.02/100.
The adjustment assembly 3 includes a pressing portion 31 to press the adjustable plate 2 toward the camera body 1 and a support portion 32 to support the adjustable plate 2 away from the camera body 1. The adjusting assembly 3 comprises a pressing piece 33 and a supporting piece 34; the pressing piece 33 and the supporting piece 34 are both hexagon socket head cap screws, the specification of the pressing piece 33 is M3 multiplied by 12, and the specification of the supporting piece 34 is M3 multiplied by 8; a first screw hole 121 is formed in the first mounting surface 12; the second mounting surface 21 is provided with a first through hole 211 and a second screw hole 212; the first through hole 211 and the second screw hole 212 are both counter bores; one end of the pressing piece 33 penetrates through the first through hole 211 and then is in threaded connection with the first screw hole 121, the pressing part 31 is arranged at one end, far away from the first mounting surface 12, of the pressing piece 33, and the pressing part 31 is an annular boss clamped with the counter bore; the supporting member 34 is in threaded connection with the second screw hole 212, the supporting portion 32 is disposed at one end of the supporting member 34 close to the first mounting surface 12, and the supporting portion 32 is in a column shape. More than two groups of the first screw holes 121 are arranged on the first mounting surface 12 in an annular array, and more than two groups of the first through holes 211 and more than two groups of the second screw holes 212 are arranged on the second mounting surface 21 in an annular alternating manner. The adjustable ring is rectangular ring-shaped, and any side edge of the adjustable ring is provided with a first through hole 211 and a second screw hole 212. The first mounting surface 12 is provided with a positioning boss 122, and the second mounting surface 21 is provided with a positioning groove 213 which is nested and matched with the positioning boss 122. The positioning boss 122 is located in the middle of the first mounting surface 12, and the positioning boss 122 is in a frustum pyramid shape. The camera body 1 comprises a chip 13 and a shell 14, wherein the chip 13 is connected with the shell 14 through a fixing component 4, the imaging surface 11 is arranged on the chip 13, and the first mounting surface 12 is arranged on the shell 14. The fixing component 4 comprises a glass fiber plate 41, the glass fiber plate 41 is installed on the housing 14, a third installation surface 411 is arranged on the glass fiber plate 41, the third installation surface 411 is parallel to the first installation surface 12, and the chip 13 is installed on the third installation surface 411. The housing 14 is provided with a mounting groove 141 in a direction perpendicular to the first mounting surface 12, the inner wall of the mounting groove 141 is provided with a first locking hole 1411, the glass fiber plate 41 is embedded in the mounting groove 141, and the glass fiber plate 41 is provided with a second locking hole 412 locked with the first locking hole 1411. The first locking hole 1411 and the second locking hole 412 are locked by a screw with a specification of M3 × 4. The fixing assembly 4 further comprises a PCB board 42, the PCB board 42 is connected with the housing 14, and the PCB board 42 is used for fixing the chip 13 on the third mounting surface 411. A fourth mounting surface 421 is arranged on the PCB 42, the fourth mounting surface 421 is parallel to the first mounting surface 12, pins are arranged on the chip 13, and pinholes for the pins to be inserted into are arranged on the fourth mounting surface 421; the side wall of the mounting groove 141 is provided with a limiting column, the limiting column is provided with a third locking hole 142 in a direction perpendicular to the first mounting surface 12, the fourth mounting surface 421 is provided with a lug, and the lug is provided with a fourth locking hole 4211 locked with the third locking hole 142. The third locking hole 142 and the fourth locking hole 4211 are locked by a screw with a specification of M3 × 6. And avoidance grooves are formed in the positions, corresponding to the limiting columns, of the edges of the glass fiber plates 41. The middle of the glass fiber plate 41 is hollowed, and the chip 13 is provided with a limit boss embedded in the hollowed part of the glass fiber plate 41.
In summary, the invention provides a parallelism adjusting structure for a scientific grade CMOS camera, which comprises a camera body, an adjustable plate and an adjusting assembly, wherein the camera body comprises an imaging surface and a first mounting surface which are parallel to each other, a second mounting surface of the adjustable plate is mounted in cooperation with the camera body through the adjusting assembly, and the adjusting assembly is used for adjusting the parallelism between the imaging surface and the mounting surface of the camera body after being assembled from the outside, so that the parallelism deviation generated by assembly is reduced, and the industrial camera can obtain images with higher quality.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A parallelism adjusting structure for a scientific grade CMOS camera is characterized by comprising a camera body, an adjustable plate and an adjusting component;
the camera body comprises an imaging surface and a first mounting surface which are parallel to each other, the adjustable plate comprises a second mounting surface, the first mounting surface is connected with the second mounting surface through an adjusting assembly, and the adjusting assembly is used for adjusting the distance between at least one adjusting point on the first mounting surface and the second mounting surface.
2. The parallelism adjustment structure for a scientific-grade CMOS camera according to claim 1, wherein the adjustment assembly comprises a pressing portion to press the adjustable plate toward the camera body and a support portion to support the adjustable plate away from the camera body.
3. The parallelism adjustment structure for a scientific-grade CMOS camera according to claim 2, wherein the adjustment assembly comprises a pressing member and a support member;
a first screw hole is formed in the first mounting surface;
a first through hole and a second screw hole are formed in the second mounting surface;
one end of the pressing piece penetrates through the first through hole and then is in threaded connection with the first screw hole, and the pressing part is arranged on the pressing piece;
the supporting part is in threaded connection with the second screw hole, and the supporting part is arranged on the supporting part.
4. The parallelism adjustment structure for a scientific-grade CMOS camera according to claim 3, wherein two or more sets of said first screw holes are arranged in an annular array on the first mounting surface, and two or more sets of said first through holes and two or more sets of said second screw holes are arranged alternately in an annular array on the second mounting surface.
5. The parallelism adjusting structure for the scientific-grade CMOS camera according to claim 1, wherein a positioning boss is arranged on the first mounting surface, and a positioning groove which is nested and matched with the positioning boss is arranged on the second mounting surface.
6. The parallelism adjustment structure for a scientific-grade CMOS camera according to claim 1, wherein the camera body comprises a chip and a housing, the chip being connected to the housing by a fixing member, the imaging surface being provided on the chip, and the first mounting surface being provided on the housing.
7. The parallelism adjustment structure for a scientific-grade CMOS camera according to claim 6, wherein the fixing member comprises a glass fiber plate, the glass fiber plate is mounted on the housing, a third mounting surface is provided on the glass fiber plate, the third mounting surface is parallel to the first mounting surface, and the chip is mounted on the third mounting surface.
8. The parallelism adjusting structure for the scientific-grade CMOS camera according to claim 7, wherein a mounting groove is formed in the housing, a first locking hole is formed in the inner wall of the mounting groove, the glass fiber plate is embedded in the mounting groove, and a second locking hole which is locked with the first locking hole is formed in the glass fiber plate.
9. The parallelism adjustment structure for a scientific-grade CMOS camera according to claim 7, wherein the fixing member further comprises a PCB board connected to the housing, the PCB board being configured to fix the chip to the third mounting surface.
10. The parallelism adjusting structure for the scientific-grade CMOS camera according to claim 9, wherein a fourth mounting surface is provided on the PCB, the fourth mounting surface is parallel to the first mounting surface, a third locking hole is provided on the housing, and a fourth locking hole that is locked with the third locking hole is provided on the fourth mounting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697883.1A CN111770256A (en) | 2020-07-20 | 2020-07-20 | Parallelism adjusting structure for scientific grade CMOS camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697883.1A CN111770256A (en) | 2020-07-20 | 2020-07-20 | Parallelism adjusting structure for scientific grade CMOS camera |
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| CN111770256A true CN111770256A (en) | 2020-10-13 |
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| CN202010697883.1A Pending CN111770256A (en) | 2020-07-20 | 2020-07-20 | Parallelism adjusting structure for scientific grade CMOS camera |
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