CN115361498A - Automatic focusing device of code scanning camera and working method thereof - Google Patents
Automatic focusing device of code scanning camera and working method thereof Download PDFInfo
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- CN115361498A CN115361498A CN202210947181.3A CN202210947181A CN115361498A CN 115361498 A CN115361498 A CN 115361498A CN 202210947181 A CN202210947181 A CN 202210947181A CN 115361498 A CN115361498 A CN 115361498A
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- code scanning
- scanning camera
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 8
- 230000005389 magnetism Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses an automatic focusing device of a code scanning camera and a working method thereof, belonging to the field of camera focusing; the camera comprises a lens box, wherein a lens component and focusing components arranged on two sides of the lens component are arranged on the lens box, the camera is focused, when the lens body needs to be focused in use, a lifting motor is started through electric connection, the lifting motor moves upwards to push two transverse supporting plates away from two sides, and the two focus adjusting plates are driven to move upwards by the movement of the transverse supporting plates; move up through the elevator motor in the focusing subassembly and push away two horizontal faggings to both sides, the removal of horizontal fagging drives two focus regulating plates and shifts up, it drives the camera lens body and removes to trigger after fixing the supplementary piece removal at camera lens body lateral wall, accomplish preliminary focusing, this kind of focusing mode has been avoided focusing in the past through the friction between the circle in the cylinder cam sleeve and the camera lens excircle, bring resistance and unstable factor for whole rotary motion, the card phenomenon appears, make the focusing mode simplistic.
Description
Technical Field
The invention relates to the technical field of automatic focusing of cameras, in particular to an automatic focusing device of a code scanning camera and a working method thereof.
Background
To take full advantage of the limited space, prior art code scanning devices typically project a projected image onto an opposing wall surface or projection screen. With the difference of using scenes, the position of the code scanning device and the wall surface or the projection screen projected by the projection image are changed, so that the distance between the code scanning device and the projection wall or the projection screen is changed. Therefore, a common projection apparatus is provided with a corresponding focusing device for adjusting the focal length of the lens.
The lens focusing is the most commonly used function when the lens scans codes, and the lens focusing realizes the linear motion of the lens cone by manually or electrically rotating a focusing ring on the lens, so that the focusing function of the lens is realized; at present, industrial and commercial lens focusing is generally realized through a cylindrical cam sleeve, linear motion of a lens barrel needing the linear motion is realized through rotation of the cylindrical cam sleeve relative to the lens barrel, so that a focusing function is realized, and the rotation of the cylindrical cam sleeve generally has two modes of electric and manual operation; the first mode can cause friction between the inner circle of the cylindrical cam sleeve and the outer circle of the lens, so that resistance and unstable factors are brought to the whole rotation movement, the hand feeling and the precision of rotation are further influenced, and even a blocking phenomenon occurs; although the second method avoids the direct contact between the inner circle of the cylindrical cam sleeve and the outer circle of the lens, the sliding friction is changed into rolling friction, but the caliber size of the whole structure is increased due to the fact that a large number of steel balls are uniformly distributed on the circumference, the assembly complexity is increased due to a large number of steel balls, and the reliability of the system is reduced;
therefore, a new design scheme needs to be provided to solve the problem of high focusing complexity of the code scanning camera in the background art.
Disclosure of Invention
The invention aims to provide an automatic focusing device of a code scanning camera and a working method thereof, which are used for solving the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme:
an automatic focusing device of a code scanning camera comprises a lens box, wherein a lens component and focusing components arranged on two sides of the lens component are arranged on the lens box;
the lens assembly includes a lens housing and a lens body, the lens body is movably mounted on the lens housing, a steering connecting plate is provided below the lens body, more specifically, the lens housing can block the external light in the picture after being mounted, and in addition, the lens assembly is helpful to protect the lens from being damaged to prevent the user from accidentally hitting the lens assembly, and as long as a simple fitting is placed on the lens, the user can greatly improve the image quality and prolong the service life of the lens.
Further, the both sides that turn to the connecting plate all are equipped with the slope subassembly, and the slope subassembly is equipped with two guide bars including turning to the piece, turns to the top of piece, and the one end of two guide bars all rotates with turning to the piece to be connected, and the other end of guide bar is detained with two magnetism respectively and is rotated to be connected, fixedly connected with spring between the guide bar, and magnetism is detained the slip setting and is seting up in the removal intracavity of camera lens body bottom.
Furthermore, two electromagnetic coils are symmetrically arranged on two sides of the lens body, each electromagnetic coil is respectively matched with the magnetic buckle for use, a waist groove is formed in the lens body, and a ring is sleeved in the waist groove; the focusing assembly comprises focus adjusting plates symmetrically arranged at two sides of the lens shell, the inner walls of the focus adjusting plates are provided with fixing blocks, and the focus adjusting plates are fixedly connected with the ring through the fixing blocks; the bottom of the focal length adjusting plate is correspondingly provided with transverse supporting plates, and a lifting motor is arranged between the two transverse supporting plates; the horizontal bracing plate is parallelogram, and the face that the focus regulating plate and horizontal bracing plate butt connect corresponds with horizontal bracing plate shape.
Furthermore, the outside of lens box still is provided with protective assembly, and protective assembly includes that two symmetries set up the protection backup pad at the lens box lateral wall, and the top of protection backup pad is all seted up flutedly, all is equipped with the fender rod in the recess, is connected with the protection between two fender rods and passes through the piece, fixes being provided with a plurality of auxiliary block in the outside of camera lens body.
The protective transparent sheet can be high-transparency glass, and the imaging effect is not influenced by the protective transparent sheet; also can select the UV mirror, the UV mirror filters the influence that the ultraviolet ray produced, and other aspects are little to the quality influence, also use as the protection transparency more, also can be for multiple colour in the colour of protection transparency is selected, for example yellow filter can increase the colour of dusk, and the sky effect can be strengthened to blue filter, when user's specific use, can produce positive influence to the effect of shooing, improves the effect of shooing.
Further, the method comprises the following steps:
the method comprises the following steps: when the lens body needs to be focused in use, the lifting motor is started through electric connection, the lifting motor moves upwards to push the two transverse supporting plates away from two sides, and the movement of the transverse supporting plates drives the two focus adjusting plates to move upwards;
step two: the ring moves upwards under the driving of the focal length adjusting plate, and an auxiliary block fixed on the side wall of the lens body is triggered to move and then drives the lens body to move, so that the primary focusing is completed;
step three: the lower side of camera lens body is equipped with turns to the connecting plate, turns to the connecting plate both sides and is equipped with the slope subassembly, and under electric power state, the magnetism detains to solenoid slope, accomplishes and zooms.
Compared with the prior art, the invention has the beneficial effects that:
(1) The lens assembly and the focusing assembly are arranged, a lifting motor in the focusing assembly moves upwards to push two transverse supporting plates away from two sides, the transverse supporting plates move to drive two focus adjusting plates to move upwards, a ring moves upwards under the driving of the focus adjusting plates, and an auxiliary block fixed on the side wall of the lens body is triggered to drive the lens body to move after moving, so that preliminary focusing is completed;
(2) Through the setting of solenoid, when the camera lens need rotatory focusing, connect the power, isomorphism magnetism detains and solenoid's cooperation, and magnetism detains and drives the guide bar and remove at the removal intracavity, the partial deviation of control camera lens body, and the spring that sets up at the guide bar quality inspection simultaneously plays the injecing to the guide bar, and the control deviation is accomplished the focusing.
(3) Through setting up the protection through the piece, select different materials, filter unnecessary ultraviolet ray, and the colour of the piece is selected on the protection through the selectable scope very big, shoots or sweeps a yard scene to the difference and produce different positive effects, has improved the use impression of user to the product.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a perspective view of the shield assembly of the present invention;
FIG. 3 is a side view of the overall three-dimensional structure of the present invention;
FIG. 4 is a cross-sectional view of the lens assembly of the present invention;
FIG. 5 is an enlarged view of the invention at A in FIG. 4.
In the figure: 1. a lens box; 2. a lens assembly; 3. a focusing assembly; 4. a guard assembly; 21. a lens housing; 22. a lens body; 23. an auxiliary block; 24. a loop; 25. a guide rod; 26. an electromagnetic coil; 27. a steering link plate; 28. a turning block; 29. a spring; 210. magnetic buckling; 211. a moving chamber; 31. a focal length adjusting plate; 32. a fixed block; 33. a transverse supporting plate; 34. a lifting motor; 41. a protective support plate; 42. rotating the rod; 43. a guard bar; 44. a protective transdermal patch.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 5, an automatic focusing device for a code scanning camera includes a lens box 1, where the lens box 1 is provided with a lens assembly 2 and focusing assemblies 3 disposed at two sides of the lens assembly 2, and focuses a camera;
the lens assembly 2 includes a lens housing 21 and a lens body 22, and the lens body 22 is movably mounted on the lens housing 21, and more particularly, the lens housing 21 can block external light in a picture after being mounted, and in addition, it helps to protect the lens from being injured to prevent a user from being accidentally bumped against it, and the user can greatly improve image quality and prolong the life of the lens itself by putting a simple accessory on the lens. The lens hood is installed in front of the lens to block external light in the photograph. The steering connecting plate 27 is arranged below the lens body 22, a plurality of auxiliary blocks 23 are fixedly arranged outside the lens body 22, two electromagnetic coils 26 are symmetrically arranged on two sides of the lens body 22, each electromagnetic coil 26 is respectively matched with a magnetic buckle 210 for use, the magnetic buckles 210 are electrically driven to move towards the left end and the right end, the lens body 22 is rotated, the left and the right movement of the lens body 22 is adjusted, the magnetic buckles 210 arranged in the moving cavity 211 have fixed moving ranges and move in the moving ranges, the phenomenon that code scanning cannot be smoothly carried out due to the fact that the lens body 22 rotates too much is avoided, a waist groove is formed in the lens body 22, a ring 24 is sleeved in the waist groove, the focusing assembly 3 comprises focus adjusting plates 31 symmetrically arranged on two sides of the lens housing 21, fixing blocks 32 are arranged on the inner walls of the focus adjusting plates 31, the focus adjusting plates 31 are fixedly connected with the ring 24 through the fixing blocks 32, transverse supporting plates 33 are correspondingly arranged at the bottoms of the focus adjusting plates 31, a lifting motor 34 is arranged between the two transverse supporting plates 33, the side view cross sections of the transverse supporting plates 33 are parallelogram, the focus adjusting plates 31, the abutting surfaces of the focus adjusting plates 31 and the transverse supporting plates 33 correspond to the transverse supporting plates 33, and the focus adjusting plates move up and down, and down movement of the focus adjusting plates 31 is driven by the lifting motor 34.
The both sides that turn to connecting plate 27 all are equipped with the slope subassembly, and the slope subassembly is equipped with two guide bars 25 including turning to piece 28, and the top that turns to piece 28 all rotates with turning to piece 28 and is connected, and the other end of guide bar 25 rotates with two magnetism respectively and is connected, fixedly connected with spring 29 between the guide bar 25, and magnetism is detained 210 and is slided the setting and seting up in the removal chamber 211 in camera lens body 22 bottom.
The protection component 4 is further arranged on the outer side of the lens box 1, the protection component 4 comprises two protection supporting plates 41 symmetrically arranged on the side wall of the lens box 1, the protection supporting plates 41 are rotatably arranged on the outer wall of the lens box 1 through rotating rods 42, grooves are formed in the tops of the protection supporting plates 41, protection rods 43 are arranged in the grooves, and a protection transparent sheet 44 is connected between the two protection rods 43;
the protective transparent sheet 44 can be high-transparency glass, and the imaging effect is not influenced by the protective transparent sheet; also can select the UV mirror, the UV mirror filters the influence that the ultraviolet ray produced, and other aspects are little to the quality influence, also use as protection transparency 44 more, also can be multiple colour in the colour of protection transparency 44 is selected, for example yellow filter can increase the colour of dusk, and the sky effect can be strengthened to blue filter, when user specific use, can produce positive influence to the effect of shooing, improves the effect of shooing.
The working principle is as follows:
the lens assembly 2 and the focusing assembly 3, the lifting motor 34 in the focusing assembly 3 moves upwards to push the two transverse supporting plates 33 away towards two sides, the movement of the transverse supporting plates 33 drives the two focal length adjusting plates 31 to move upwards, the ring 24 moves upwards under the driving of the focal length adjusting plates 31, and the auxiliary blocks 23 fixed on the side walls of the lens body 22 are triggered to move and then drive the lens body 22 to move, so that the primary focusing is completed, the friction between the inner circle of the cylindrical cam sleeve and the outer circle of the lens during the previous focusing is avoided, resistance and unstable factors are brought to the whole rotary motion, the rotary hand feeling and precision are further influenced, even the blocking phenomenon occurs, and the focusing mode is simplified;
through the setting of solenoid 26, when the camera lens need rotatory focusing, connect the power, isomorphism magnetic buckle 210 and solenoid 26's cooperation, magnetic buckle 210 drives guide bar 25 and removes in removing the chamber 211, controls the partial deviation of lens body 22, sets up spring 29 at guide bar 25 quality control simultaneously and plays the limited to guide bar 25, and the control deviation accomplishes the focusing.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An automatic focusing device of a code scanning camera comprises a lens box (1), and is characterized in that a lens component (2) and focusing components (3) arranged on two sides of the lens component (2) are arranged on the lens box (1);
the lens component (2) comprises a lens housing cover (21) and a lens body (22), the lens body (22) is movably arranged on the lens housing cover (21), and a steering connecting plate (27) is arranged below the lens body (22).
2. The automatic focusing device for the code scanning camera according to claim 1, wherein two sides of the steering connecting plate (27) are respectively provided with a tilting assembly, the tilting assembly comprises a steering block (28), two guide rods (25) are arranged above the steering block (28), one ends of the two guide rods (25) are respectively rotatably connected with the steering block (28), the other ends of the guide rods (25) are respectively rotatably connected with two magnetic buckles (210), a spring (29) is fixedly connected between the guide rods (25), and the magnetic buckles (210) are slidably arranged in a moving cavity (211) formed in the bottom of the lens body (22).
3. The automatic focusing device for a code scanning camera according to claim 2, wherein two electromagnetic coils (26) are symmetrically arranged on two sides of the lens body (22), each electromagnetic coil (26) is respectively matched with the magnetic buckle (210), and a waist groove is formed on the lens body (22), and a ring (24) is sleeved in the waist groove.
4. The automatic focusing device of a code-scanning camera according to claim 1, wherein the focusing assembly (3) comprises focus adjusting plates (31) symmetrically arranged at two sides of the lens housing (21), fixing blocks (32) are arranged on the inner walls of the focus adjusting plates (31), and the focus adjusting plates (31) are fixedly connected with the ring rings (24) through the fixing blocks (32).
5. The automatic focusing device of a code scanning camera head according to claim 4, wherein the bottom of the focus adjusting plate (31) is correspondingly provided with a horizontal supporting plate (33), and a lifting motor (34) is arranged between the two horizontal supporting plates (33).
6. A code scanning camera autofocus device according to claim 5, wherein the lateral support plate (33) is a parallelogram, and the surface of the focus adjustment plate (31) abutting against the lateral support plate (33) corresponds to the shape of the lateral support plate (33).
7. The automatic focusing device for the code scanning camera according to claim 1, wherein a protection assembly (4) is further disposed on an outer side of the lens box (1), the protection assembly (4) comprises two protection support plates (41) symmetrically disposed on side walls of the lens box (1), the protection support plates (41) are rotatably disposed on an outer wall of the lens box (1) through rotating rods (42), a groove is formed in the top of each protection support plate (41), a protection rod (43) is disposed in each groove, and a protection transparent sheet (44) is connected between the two protection rods (43).
8. A code scanning camera autofocus device according to claim 3, wherein a plurality of auxiliary blocks (23) are fixed to the outside of the lens body (22).
9. A working method of an automatic focusing device of a code scanning camera is characterized by comprising the following steps:
the method comprises the following steps: when the lens body (22) needs focusing in use, the lifting motor (34) is started through electric connection, the lifting motor (34) moves upwards to push the two transverse supporting plates (33) away towards two sides, and the movement of the transverse supporting plates (33) drives the two focus adjusting plates (31) to move upwards;
step two: under the drive of a focal length adjusting plate (31), the ring (24) moves upwards, an auxiliary block (23) fixed on the side wall of the lens body (22) is triggered to move, and then the lens body (22) is driven to move, so that primary focusing is completed;
step three: a steering connecting plate (27) is arranged below the lens body (22), inclined assemblies are arranged on two sides of the steering connecting plate (27), and the magnetic buckle (210) inclines towards the electromagnetic coil (26) in an electric power state to finish zooming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210947181.3A CN115361498B (en) | 2022-08-09 | 2022-08-09 | Automatic focusing device of code scanning camera and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210947181.3A CN115361498B (en) | 2022-08-09 | 2022-08-09 | Automatic focusing device of code scanning camera and working method thereof |
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| Publication Number | Publication Date |
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| CN115361498A true CN115361498A (en) | 2022-11-18 |
| CN115361498B CN115361498B (en) | 2023-11-24 |
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| CN202210947181.3A Active CN115361498B (en) | 2022-08-09 | 2022-08-09 | Automatic focusing device of code scanning camera and working method thereof |
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| CN201116960Y (en) * | 2007-11-14 | 2008-09-17 | 比亚迪股份有限公司 | Camera lens die set capable of automatic focusing |
| CN201266269Y (en) * | 2008-08-26 | 2009-07-01 | 比亚迪股份有限公司 | Focusing equipment for pick-up head |
| KR101072404B1 (en) * | 2010-07-22 | 2011-10-11 | 넥스타테크놀로지 주식회사 | Yoke-free automatic focus control device for a camera |
| KR20130015666A (en) * | 2011-08-04 | 2013-02-14 | 마이크로엑츄에이터(주) | Auto focusing apparatus for micro camera module |
| CN204362173U (en) * | 2015-02-06 | 2015-05-27 | 北京经纬恒润科技有限公司 | A kind of vehicle-mounted camera of focus adjustable |
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-
2022
- 2022-08-09 CN CN202210947181.3A patent/CN115361498B/en active Active
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|---|---|---|---|---|
| CN201116960Y (en) * | 2007-11-14 | 2008-09-17 | 比亚迪股份有限公司 | Camera lens die set capable of automatic focusing |
| CN201266269Y (en) * | 2008-08-26 | 2009-07-01 | 比亚迪股份有限公司 | Focusing equipment for pick-up head |
| KR101072404B1 (en) * | 2010-07-22 | 2011-10-11 | 넥스타테크놀로지 주식회사 | Yoke-free automatic focus control device for a camera |
| KR20130015666A (en) * | 2011-08-04 | 2013-02-14 | 마이크로엑츄에이터(주) | Auto focusing apparatus for micro camera module |
| CN204362173U (en) * | 2015-02-06 | 2015-05-27 | 北京经纬恒润科技有限公司 | A kind of vehicle-mounted camera of focus adjustable |
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| Title |
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