CN114942510A - Ultra-thin wide angle robot lens of sweeping floor - Google Patents
Ultra-thin wide angle robot lens of sweeping floor Download PDFInfo
- Publication number
- CN114942510A CN114942510A CN202210129590.2A CN202210129590A CN114942510A CN 114942510 A CN114942510 A CN 114942510A CN 202210129590 A CN202210129590 A CN 202210129590A CN 114942510 A CN114942510 A CN 114942510A
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- China
- Prior art keywords
- lens
- close
- object side
- lens barrel
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010408 sweeping Methods 0.000 title claims abstract description 20
- 238000003384 imaging method Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0035—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having three lenses
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/008—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras designed for infrared light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/025—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The invention discloses an ultrathin wide-angle sweeping robot lens which comprises a lens barrel, an image side surface and an object side surface arranged outside the lens barrel relative to the image side surface, wherein a first lens, a second lens and a third lens are sequentially assembled inside the lens barrel from the object side surface to the image side surface, a lens hole is formed in the position, close to the axis of one end of the object side surface, of the lens barrel 1, one end, close to the image side surface, of the lens barrel is arranged in an open mode, and an IR optical filter is arranged on one side, close to the image side surface, of the lens barrel. The invention solves the difficulties and the defects of the prior art, widens the lens models in the field and enables wide consumers to have more choices; the invention has an ultra-large field angle of 137 degrees, so that the shooting picture is wider; the invention has compact and precise structure, avoids the mutual interference between the lenses and the installation of the same lens cone, avoids the influence of part flash and over-positioning, and increases the quality of the product; the total lens height TTL of the invention is less than or equal to 3.0mm, so that the lens and the sweeping robot are light, thin and small.
Description
Technical Field
The invention relates to the technical field of imaging lenses, in particular to an ultrathin wide-angle sweeping robot lens.
Background
The sweeping robot is an intelligent household appliance, can help people to automatically sweep dust on the ground and liberate hands of people, but like people, the dust on the ground can be seen clearly by eyes, and the optical lens is the eyes of the people. At present, the sweeping robot is loved by more and more people, and the sweeping robot walks into a plurality of families to become one of the families, so that the requirement of an optical lens applicable to the sweeping robot is large, the prospect is wide, and therefore, the research and development of the sweeping robot lens are very necessary.
At present, the field angle of an existing traditional single lens is small, the field angle is generally below 100 degrees, a wide field of view cannot be identified, a shooting blind area exists, the total height of the lens cannot be reduced, and the lens cannot be thinned and cannot meet the requirement of a sweeping robot lens.
Disclosure of Invention
The invention aims to provide a lens with an ultra-large field angle, wherein the maximum field angle FOV is 137 degrees, the total lens height TTL is ultra-thin, and the TTL is less than or equal to 3.0 mm; the imaging optical lens is clear in lens imaging, is adaptive to an 1/10-inch chip, has a short focal length EFL (effective range length) less than or equal to 0.62, meets the lens requirement of a sweeping robot, widens the lens model in the field, better serves consumers and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ultra-thin wide angle robot lens of sweeping floor, includes lens cone, looks like the side and arranges the object side in the lens cone outside for the side of looking like the side, the inside of lens cone is equipped with lens one, lens two and lens three by object side to the side of looking like the side in proper order, the axle center position department that lens cone 1 is close to object side one end is equipped with the lens hole, the one end that the lens cone is close to the side of looking like the side is the opening form and arranges, one side that the lens cone is close to the side of looking like the side is equipped with the IR light filter.
The utility model discloses a lens, including lens one, lens two, lens three, lens one, lens two and lens three are all aspheric surface face types, one side that lens one is close to the object side is arranged for the convex surface form, one side that lens one is close to the image side is arranged for the concave surface form, and is equipped with the clearance groove between the die joint that lens one side is close to object side and the lens hole, one side that lens two is close to the object side is arranged for the convex surface form, one side that lens two is close to the image side is arranged for the concave surface form, one side that lens three is close to the object side is arranged for the convex surface form, one side that lens three is close to the image side is arranged for the convex surface form, and is equipped with a bit glue groove between one side that lens three is close to the image side and the lens cone inner wall.
And a first shading sheet is arranged in the lens barrel between the second lens and the first lens, a second shading sheet is arranged in the lens barrel between the second lens and the third lens, and through holes for light to pass through are arranged at the axle center positions of the first shading sheet and the second shading sheet in a penetrating way.
Preferably, the distance TTL between the side wall of the lens barrel on the side close to the object side and the imaging plane is less than or equal to 3.0mm, and the focal length EFL is less than or equal to 0.62.
Preferably, the first lens, the second lens and the third lens are all made of plastic materials, and parting surfaces of the second lens and the third lens are arranged on the inner wall of the lens barrel at intervals.
Preferably, the first lens, the second lens and the third lens are arranged at intervals, the interval size of the intervals is a fixed value, and the interval size is consistent with the thickness size of the first anti-dazzling screen and the second anti-dazzling screen.
Preferably, the dispensing slot is triangular, and the outer side of the lens barrel is integrally formed with a screw thread.
Compared with the prior art, the invention has the beneficial effects that: the invention solves the difficulties and the defects of the prior art, widens the lens models in the field and enables wide consumers to have more choices; the invention has an ultra-large field angle of 137 degrees, so that the shooting picture is wider; the invention has compact and precise structure, avoids the mutual interference between the lenses and the installation of the same lens cone, avoids the influence of part flash and over-positioning, and increases the quality of the product; the total lens height TTL of the invention is less than or equal to 3.0mm, so that the lens and the sweeping robot are light, thin and small.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
In the figure: 1. a lens barrel; 2. a first lens; 3. a second shading sheet; 4. an IR filter; 5. an image side; 6. a third lens; 7. dispensing a glue groove; 8. a first shading sheet; 9. a second lens; 10. a lens hole; 11. and (5) avoiding a clearance groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention: the utility model provides an ultra-thin wide angle robot lens of sweeping floor, includes lens cone 1, looks like side 5 and arranges the object side in the lens cone 1 outside for looking like side 5, the inside of lens cone 1 is equipped with lens one 2, two 9 of lens and three 6 of lens by object side to look like side 5 in proper order, the biggest field angle of imaging system reaches 137, can shoot broader picture, lens cone 1 is close to the interval between the lateral wall of object side one side and the imaging surface, and lens total height TTL ≦ 3.0mm promptly, and focus EFL ≦ 0.62, the axle center position department that lens cone 1 is close to object side one end is equipped with lens hole 10, lens cone 1 is close to the one end of looking like side and is the open form and arranges, one side that lens cone 1 is close to the looks like side is equipped with IR light filter 4.
The first lens 2, the second lens 9 and the third lens 6 are aspheric surface type, the first lens 2, the second lens 9 and the third lens 6 are made of plastic material, mass production is convenient to realize, production efficiency is improved, one side of the first lens 2 close to the object side is arranged in a convex surface shape, one side of the first lens 2 close to the image side is arranged in a concave surface shape, a flat position of the first lens 2 close to one side of the object side is attached to the inside of the lens barrel 1, a clearance groove 11 is arranged between a parting surface of the first lens 2 close to one side of the object side and the lens hole 10, interference and over positioning between the two are effectively prevented, assembly precision is improved, one side of the second lens 9 close to the object side is arranged in a convex surface shape, one side of the second lens 9 close to the image side is arranged in a concave surface shape, one side of the third lens 6 close to the object side is arranged in a convex surface shape, one side of the third lens 6 close to the image side is arranged in a convex surface shape, be equipped with some glue groove 7 between one side that lens three 6 is close to like side and lens cone 1 inner wall, some glue groove 7 is the triangle-shaped form for the encapsulation is glued to the point after the equipment, and lens cone 1's outside integrated into one piece has the thread, conveniently assembles together with the base, and the die joint of lens two 9 and lens three 6 all arranges in lens cone 1 inner wall at an interval, and lens cone 1 inner wall has not been opened to die joint department of lens two 9 and lens three 6 everywhere, prevents to drape over one's shoulders and influences off-centre, has improved the assembly precision.
The utility model discloses a lens, including lens two 9, lens two 6, lens two 9, lens two 8, lens two 6, lens two 8, lens two 3's axle center position department has all run through the arrangement and has been used for the through-hole that light passes through the use, lens one 2, lens two 9 and lens three 6 are all interval arrangement each other, and the interval size of interval is the definite value, and the interval size is unanimous with lens one 8 and lens two 3 thickness size, then lens one 8 and lens two 3 not only are used for the shading, avoid the miscellaneous light to influence the use, more importantly guarantee the purpose that fixed interval used between two adjacent lenses, increase the imaging stability that the camera lens used.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides an ultra-thin wide angle robot lens of sweeping floor, includes lens cone (1), looks like side (5) and arranges the object side in the lens cone (1) outside for looking like side (5), its characterized in that: a first lens (2), a second lens (9) and a third lens (6) are sequentially assembled in the lens barrel (1) from the object side surface to the image side surface (5), a lens hole (10) is formed in the position, close to the axis of one end of the object side surface, of the lens barrel (1), one end, close to the image side surface, of the lens barrel (1) is arranged in an open mode, and an IR filter (4) is arranged on one side, close to the image side surface, of the lens barrel (1);
the lens comprises a lens body (1), a lens I (2), a lens II (9) and a lens III (6), wherein the lens I (2), the lens II (9) and the lens III (6) are all aspheric surface types, one side of the lens I (2) close to an object side surface is arranged in a convex surface shape, one side of the lens I (2) close to an image side surface is arranged in a concave surface shape, a clearance groove (11) is formed between a parting surface of the lens I (2) close to one side of the object side surface and a lens hole (10), one side of the lens II (9) close to the object side surface is arranged in a convex surface shape, one side of the lens II (9) close to the image side surface is arranged in a concave surface shape, one side of the lens III (6) close to the object side surface is arranged in a convex surface shape, and a glue groove (7) is formed between one side of the lens III (6) close to the image side surface and the inner wall of the lens barrel (1);
the lens barrel is characterized in that a first light shading sheet (8) is arranged inside the lens barrel (1) between the second lens (9) and the first lens (2), a second light shading sheet (3) is arranged inside the lens barrel (1) between the second lens (9) and the third lens (6), and through holes for light to pass through are arranged at the axle center positions of the first light shading sheet (8) and the second light shading sheet (3) in a penetrating mode.
2. The lens of the ultra-thin wide-angle sweeping robot of claim 1, wherein: the distance TTL between the side wall of the lens barrel (1) close to the object side and the imaging surface is less than or equal to 3.0mm, and the focal length EFL is less than or equal to 0.62.
3. The lens of the ultra-thin wide-angle sweeping robot of claim 1, wherein: the first lens (2), the second lens (9) and the third lens (6) are all made of plastic materials, and parting surfaces of the second lens (9) and the third lens (6) are arranged on the inner wall of the lens barrel (1) at intervals.
4. The lens of the ultra-thin wide-angle sweeping robot of claim 1, wherein: the first lens (2), the second lens (9) and the third lens (6) are arranged at intervals, the interval size is a fixed value, and the interval size is consistent with the thickness of the first anti-dazzling screen (8) and the second anti-dazzling screen (3).
5. The lens of the ultra-thin wide-angle sweeping robot of claim 1, wherein: the dispensing groove (7) is triangular, and the outer side of the lens cone (1) is integrally formed with screw teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129590.2A CN114942510A (en) | 2022-02-11 | 2022-02-11 | Ultra-thin wide angle robot lens of sweeping floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129590.2A CN114942510A (en) | 2022-02-11 | 2022-02-11 | Ultra-thin wide angle robot lens of sweeping floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114942510A true CN114942510A (en) | 2022-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210129590.2A Pending CN114942510A (en) | 2022-02-11 | 2022-02-11 | Ultra-thin wide angle robot lens of sweeping floor |
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| Country | Link |
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| CN (1) | CN114942510A (en) |
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| CN215006043U (en) * | 2021-01-27 | 2021-12-03 | 浙江舜宇智能光学技术有限公司 | Optical system, optical lens and TOF camera module |
| CN214474171U (en) * | 2021-03-30 | 2021-10-22 | 江西晶超光学有限公司 | Camera module and mobile terminal equipment |
| CN214474172U (en) * | 2021-03-31 | 2021-10-22 | 江西晶超光学有限公司 | Lens, lens module and electronic equipment |
| CN113093369A (en) * | 2021-04-13 | 2021-07-09 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN113671667A (en) * | 2021-05-18 | 2021-11-19 | 苏州马谷光学有限公司 | Ultra-wide-angle infrared confocal lens |
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