CN109269981B - CCD module for detection - Google Patents
CCD module for detection Download PDFInfo
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- CN109269981B CN109269981B CN201811216719.3A CN201811216719A CN109269981B CN 109269981 B CN109269981 B CN 109269981B CN 201811216719 A CN201811216719 A CN 201811216719A CN 109269981 B CN109269981 B CN 109269981B
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- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Studio Devices (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
The invention relates to the CCD module related technical field, and discloses a CCD module for detection, which comprises at least one detection unit, wherein the detection unit comprises a CCD, a lens electrically connected with the CCD, a motor for driving the lens to rotate relative to the CCD, and a belt pulley structure for connecting an output end of the motor and the lens; the detection unit further comprises a position determination assembly, wherein the position determination assembly is used for detecting whether the lens is located at a preset position or not, the position determination assembly is arranged on one radial side of the mounting piece, and the position determination assembly and the belt pulley structure are distributed along the axial direction of the lens. The position determining assembly and the belt pulley structure are distributed along the axial direction of the lens, namely the position determining assembly and the belt pulley structure are distributed in a staggered manner, so that the problem of interference between the belt pulley structure and the position determining assembly due to shaking in the rotation process of the belt pulley structure can be effectively solved.
Description
Technical Field
The invention relates to the technical field of CCD (charge coupled device) modules, in particular to a CCD module for detection.
Background
In the prior art, a workpiece is usually shot through a CCD module, in order to improve the accuracy of a detection position, a motor belt pulley structure is used for driving a lens to rotate and an induction piece is used for enabling the lens to recover to an initial position, but the existing CCD module has the following technical problems:
the response piece sets up in one side of belt pulley structure, and camera lens pivoted in-process exists to rock, and the camera lens can produce the interference with the belt, influences the camera lens normal work then, can make the position of response piece take place the skew moreover.
Disclosure of Invention
The invention aims to provide a CCD module for detection, which can solve the problem that a lens in the existing CCD module can interfere with a belt.
To achieve the purpose, the invention adopts the following technical scheme:
the CCD module for detection comprises at least one detection unit, wherein the detection unit comprises a CCD, a lens electrically connected with the CCD, a motor for driving the lens to rotate relative to the CCD, and a belt pulley structure for connecting an output end of the motor and the lens; the detection unit further includes:
and the position determining component is used for detecting whether the lens is positioned at a preset position or not, and is arranged on one radial side of the mounting piece, and the position determining component and the belt pulley structure are distributed along the axial direction of the lens.
Further, still include the support frame, the position determination subassembly includes:
the detection plate is arranged on the outer wall of the lens;
the mounting block is arranged on the support frame and provided with a mounting groove; and
A detection device for detecting whether the detection plate is positioned in the mounting groove;
in the process of rotating the lens, whether the lens component is located at a preset position can be confirmed according to whether the detection plate is located in the mounting groove.
Further, the lens is rotatably installed in the installation through hole, and the CCD is installed at one axial end of the installation part and is located at the rear end of the lens.
Further, the support frame comprises a bottom plate, side plates arranged on two sides of the bottom plate, and a back plate connected with the two side plates and the bottom plate; the mounting piece is rotatably connected to the bottom plate.
Further, the device also comprises an adjusting bracket, wherein the adjusting bracket is connected with the backboard through at least one first screw.
Further, an arc-shaped groove is formed in the back plate, and the second screw can penetrate through the arc-shaped groove and is connected to the adjusting support, so that the back plate abuts against the adjusting support.
Further, the adjusting bracket comprises a mounting frame body and a connecting plate connected with the back plate, a sliding rail is arranged on one side of the mounting frame body, and a sliding groove matched with the sliding rail is formed in the connecting plate.
Further, the third screw penetrates through the mounting frame body and then stretches into the sliding groove to be pressed against the connecting plate.
Further, the radial maximum load of the motor is more than or equal to 75N, and the axial maximum load is more than or equal to 15N.
The invention has the beneficial effects that: the position determining assembly and the belt pulley structure are distributed along the axial direction of the lens, namely the position determining assembly and the belt pulley structure are distributed in a staggered manner, so that the problem of interference between the belt pulley structure and the position determining assembly due to shaking in the rotation process of the belt pulley structure can be effectively solved.
Drawings
FIG. 1 is a view I of a CCD module for detection according to the present invention;
fig. 2 is a second view of the detecting CCD module of the present invention.
In the figure:
11. a mounting member; 12. a motor; 131. a first pulley; 132. a second pulley; 133. a belt; 141. a detection plate; 142. a mounting block; 1421. a mounting groove; 15. a mounting base;
21. a lens; 22. a CCD;
31. a bottom plate; 32. a side plate; 33. a back plate; 331. an arc-shaped groove;
41. a mounting frame body; 411. a slide rail; 42. a connecting plate; 421. and a sliding groove.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
As shown in fig. 1 and 2, the present embodiment provides a CCD module for detection, which includes an adjusting bracket, a supporting bracket, and two detecting units disposed on the supporting bracket. The support frame comprises a bottom plate 31, side plates 32 arranged on two sides of the bottom plate 31, and a back plate 33 connected with the two side plates 32 and the bottom plate 31; the detection unit may be connected to the back plate 33 and the adjustment bracket by two first screws when in the vertical position.
Be equipped with arc wall 331 on the backplate 33, can rotate the support frame and change the relative position of adjusting support and support frame, pass arc wall 331 and connect in adjusting support through the second screw, make backplate 33 butt in adjusting support to satisfy the requirement of shot object to every detecting element shooting angle. Preferably, two arc grooves 331 are provided to improve stability of the connection between the adjusting bracket and the supporting bracket.
The adjusting bracket comprises a mounting bracket body 41 and a connecting plate 42 connected with the backboard 33, wherein a sliding rail 411 is arranged on one side of the mounting bracket body 41, and a sliding groove 421 matched with the sliding rail 411 is arranged on the connecting plate 42. The relative movement between the connecting plate 42 and the mounting frame body 41 is realized through the cooperation of the sliding rail 411 and the sliding groove 421, so that the distance between the detection unit and the photographed object is changed; and then the third screw penetrates through the mounting frame body 41 and then stretches into the sliding groove 421 to be pressed against the connecting plate 42.
The detection unit comprises a mounting piece 11, a lens 21 and a CCD22 electrically connected with the lens 21, wherein a mounting through hole is formed in the mounting piece 11, the lens 21 is rotatably mounted in the mounting through hole, and the CCD22 is mounted at one axial end of the mounting piece 11 and positioned at the rear end of the lens 21. The installation through hole is milled, so that the diameter tolerance of the installation through hole is in the range of 0mm-0.5mm, the installation part 11 with the installation through hole is formed by bending a sheet metal part in the prior art, the concave-convex change of the inner wall of the installation through hole formed by bending the sheet metal part is large, the inner wall of the installation through hole is easy to interfere in the process of rotating the lens 21, and the problem that the inner wall of the installation through hole is easy to interfere in the process of rotating the lens 21 can be effectively solved by milling the installation through hole through the milling cutter.
The detection unit further comprises a motor 12 for driving the lens 21 to rotate relative to the CCD, a belt pulley structure for connecting the output end of the motor 12 and the lens 21, a through groove is formed in one side of the bottom plate 31 opposite to the back plate 33, the CCD22 and the back plate 33 are located on the same side of the bottom plate 31, a mounting seat 15 is arranged on the other side of the bottom plate 31, the motor 12 is fixed on the mounting seat 15, the belt pulley structure comprises a first belt pulley 131 arranged at the output end of the motor 12, a second belt pulley 132 arranged on the outer wall of the mounting piece 11, and a belt 133 for connecting the first belt pulley 131 and the second belt pulley 132. The rotation of the motor 12 drives the first belt pulley 131 to rotate, the first belt pulley 131 drives the second belt pulley 132 to rotate through the belt 133, and the mounting member 11 rotates along with the second belt pulley 132 relative to the bottom plate 31, so as to drive the lens 21 to rotate.
The radial maximum load of the motor 12 is more than or equal to 75N, the axial maximum load is more than or equal to 15N, repeated experiments prove that the motor 12 with the model can be suitable for lenses 21 and CCD22 with different models, the requirements of the weights of the lenses 21 and the CCD22 on the load of the motor 12 are met, and the overload condition of the motor 12 is not easy to occur. Preferably, the motor 12 is a stepper motor 12, and the radial maximum load of the motor 12 is equal to 75N and the axial maximum load is equal to 15N.
The detection unit further includes a position determining assembly for detecting whether the lens is located at a preset position, the position determining assembly being provided at one radial side of the mount 11, the position determining assembly and the belt pulley structure being distributed along the axial direction of the lens 21. Specifically, the position determining assembly is located between the back plate 33 and the second pulley 132. The position determining assembly comprises a detecting plate 141 arranged on the outer wall of the lens 21, a mounting block 142 arranged on the supporting frame and provided with a mounting groove 1421, and a detecting device for detecting whether the detecting plate 141 is positioned in the mounting groove 1421. The detection device is preferably an induction piece, and the detection plate 141 is fixed on the outer wall of the lens 21 by a screw.
The mounting block 142 is made of a sheet metal part by bending, the bending amplitude is large, the machining precision is difficult to ensure, and the mounting block 142 in the prior art is arranged opposite to the belt 133 due to axial shaking in the rotating process of the belt 133, so that the mounting block 142 is easy to collide with the belt 133, and the screw for connecting the mounting block 142 and the mounting part 11 is also easy to interfere with the second belt pulley 132; in this embodiment, the mounting block 142 is disposed on the lens 21 between the back plate 33 and the second pulley 132, so that the problem that the belt 133 is easy to interfere with the mounting block 142 and the screw connecting the mounting block 142 and the mounting member 11 is easy to interfere with the second pulley 132 is effectively solved.
In this embodiment, two position determining components are provided, the two position determining components are disposed 180 degrees apart, during the rotation of the lens 21, the detecting plate 141 rotates along with the lens 21, and the detecting plate 141 passes through the mounting groove 1421, when the detecting plate 141 is located in the mounting groove 1421, the sensing piece can detect a signal, so that whether the detecting plate 141 is located in the mounting groove 1421 can be determined according to whether the sensing piece detects the signal, and when the detecting plate 141 is located in the mounting groove 1421, the lens 21 is located at a preset position. The above-mentioned preset position is actually the initial position of the lens 21, and before each detection, the detection plate 141 is made to be positioned in one of the mounting grooves 1421 so as to confirm the position after the rotation of the motor 12 by controlling the rotation angle of the motor 12.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. The CCD module for detection comprises at least one detection unit, wherein the detection unit comprises a CCD, a lens (21) electrically connected with the CCD, a motor (12) for driving the lens to rotate relative to the CCD, and a belt pulley structure for connecting an output end of the motor (12) and the lens; characterized in that the detection unit further comprises:
the position determining component is used for detecting whether the lens (21) is located at a preset position or not, and the position determining component and the belt pulley structure are distributed along the axial direction of the lens (21);
the mounting piece (11) is arranged on the supporting frame, and the position determining component is arranged on one radial side of the mounting piece (11).
2. The CCD module for detection according to claim 1, further comprising a support frame, said position determining assembly comprising:
a detection plate (141) arranged on the outer wall of the lens (21);
the mounting block (142) is arranged on the support frame and provided with a mounting groove (1421); and
A detection device for detecting whether the detection plate (141) is located in the mounting groove (1421);
in the process of rotating the lens (21), whether the lens (21) component is located at a preset position can be confirmed according to whether the detection plate (141) is located in the mounting groove (1421).
3. The CCD module for detection according to claim 1, wherein the mounting member (11) is provided with a mounting through hole, the lens (21) is rotatably mounted in the mounting through hole, and the CCD (22) is mounted at one axial end of the mounting member (11) and located at a rear end of the lens (21).
4. The CCD module for detection according to claim 1, wherein the supporting frame includes a bottom plate (31), side plates (32) provided on both sides of the bottom plate (31), and a back plate (33) connecting both of the side plates (32) and the bottom plate (31); the mounting member (11) is rotatably connected to the base plate (31).
5. The CCD module for detection according to claim 4, further comprising an adjustment bracket, said adjustment bracket and said back plate (33) being connected by at least one first screw.
6. The detection CCD module according to claim 5, wherein the back plate (33) is provided with an arc groove (331), and a second screw can pass through the arc groove (331) and be connected to the adjusting bracket, so that the back plate (33) abuts against the adjusting bracket.
7. The detection CCD module according to claim 5, wherein the adjusting bracket comprises a mounting frame body (41) and a connecting plate (42) connected with the back plate (33), a sliding rail (411) is arranged on one side of the mounting frame body (41), and a sliding groove (421) matched with the sliding rail (411) is arranged on the connecting plate (42).
8. The detecting CCD module according to claim 7, wherein a third screw passes through the mounting frame body (41) and then extends into the chute (421) and abuts against the connecting plate (42).
9. The CCD module for detection according to claim 1, wherein the radial maximum load of the motor (12) is 75N or more and the axial maximum load is 15N or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216719.3A CN109269981B (en) | 2018-10-18 | 2018-10-18 | CCD module for detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216719.3A CN109269981B (en) | 2018-10-18 | 2018-10-18 | CCD module for detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109269981A CN109269981A (en) | 2019-01-25 |
| CN109269981B true CN109269981B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811216719.3A Active CN109269981B (en) | 2018-10-18 | 2018-10-18 | CCD module for detection |
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| Country | Link |
|---|---|
| CN (1) | CN109269981B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950022789A (en) * | 1993-12-29 | 1995-07-28 | 이헌조 | Focus lens automatic driving device and method |
| CN104570264A (en) * | 2014-12-02 | 2015-04-29 | 爱彼思（苏州）自动化科技有限公司 | Device integrating three functions of lens assembly, segment difference detection and gap detection |
| CN105423998A (en) * | 2015-11-07 | 2016-03-23 | 陕西科技大学 | Lens distance measurement device and measurement method thereof |
| CN209640185U (en) * | 2018-10-18 | 2019-11-15 | 苏州精濑光电有限公司 | A kind of detection CCD mould group |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL157012A (en) * | 2003-07-17 | 2008-08-07 | Rafael Advanced Defense Sys | Temperature compensation device for optical instruments |
-
2018
- 2018-10-18 CN CN201811216719.3A patent/CN109269981B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950022789A (en) * | 1993-12-29 | 1995-07-28 | 이헌조 | Focus lens automatic driving device and method |
| CN104570264A (en) * | 2014-12-02 | 2015-04-29 | 爱彼思（苏州）自动化科技有限公司 | Device integrating three functions of lens assembly, segment difference detection and gap detection |
| CN105423998A (en) * | 2015-11-07 | 2016-03-23 | 陕西科技大学 | Lens distance measurement device and measurement method thereof |
| CN209640185U (en) * | 2018-10-18 | 2019-11-15 | 苏州精濑光电有限公司 | A kind of detection CCD mould group |
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| Publication number | Publication date |
|---|---|
| CN109269981A (en) | 2019-01-25 |
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