CN220543197U - Wide-angle vehicle-mounted lens - Google Patents
Wide-angle vehicle-mounted lens Download PDFInfo
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- CN220543197U CN220543197U CN202321899600.7U CN202321899600U CN220543197U CN 220543197 U CN220543197 U CN 220543197U CN 202321899600 U CN202321899600 U CN 202321899600U CN 220543197 U CN220543197 U CN 220543197U
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- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 238000003384 imaging method Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 abstract description 4
- 230000004075 alteration Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000005308 flint glass Substances 0.000 description 2
- 229910052747 lanthanoid Inorganic materials 0.000 description 2
- 150000002602 lanthanoids Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of optical equipment, and particularly discloses a wide-angle vehicle-mounted lens, which comprises a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from an object side to an image side along an optical axis; the first lens has negative focal power, the second lens has negative focal power and the image side surface is concave; the third lens has positive focal power, and the object side surface of the third lens is a concave surface and the image side surface is a convex surface; the fourth lens has positive focal power, the object side surface of the fourth lens is a concave surface, the image side surface of the fourth lens is a convex surface, the fifth lens has positive focal power, and the object side surface and the image side surface of the fifth lens are both convex surfaces; the sixth lens has negative focal power, the object side surface and the image side surface of the sixth lens are concave, the seventh lens has positive focal power, and the object side surface and the image side surface of the seventh lens are convex. The vehicle-mounted lens can adopt invisible light of human eyes to carry out light supplementing shooting, namely, when shooting is carried out at night, the rest of drivers and passengers cannot be influenced.
Description
Technical Field
The utility model relates to the technical field of optical equipment, in particular to a wide-angle vehicle-mounted lens.
Background
At present, the network car is a preferred choice of a plurality of people's travel modes, so that driver and passenger safety is always a concern, most of camera modules used in the intelligent driving technology are used for optimizing and improving the driving technology and calculating difficulty, and fewer camera modules are used for monitoring the driver and passenger conditions in the car. The existing in-car camera is small in angle and not wide enough in coverage range, cannot completely capture the in-car condition, and in-car light is required to carry out light supplementing shooting when driving at night, so that the rest of drivers and passengers is influenced.
Disclosure of Invention
The purpose of the utility model is that: the wide-angle vehicle-mounted lens is provided, so that the technical problems that in the prior art, the angle of a camera in a vehicle is small, the coverage area is not wide enough, the condition in the vehicle cannot be completely captured, and in addition, light supplement shooting is carried out by the light in the vehicle when the vehicle runs at night, and the rest of drivers and passengers is influenced are solved.
In order to achieve the above object, the present utility model provides a wide-angle in-vehicle lens comprising: a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, and a seventh lens which are sequentially arranged from an object side to an image side along an optical axis;
the first lens has negative focal power and a concave image side surface, and the focal length of the first lens ranges from-8.2 mm to-3.5 mm;
the second lens has negative focal power and a concave image side surface, and the focal length of the second lens ranges from-11 mm to-5 mm;
the third lens has positive focal power, the object side surface of the third lens is a concave surface, the image side surface of the third lens is a convex surface, and the focal length range of the third lens is 4.5mm to 10mm;
the fourth lens has positive focal power, the object side surface of the fourth lens is a concave surface, the image side surface of the fourth lens is a convex surface, and the focal length range of the fourth lens is 10mm to 20mm;
the fifth lens has positive focal power, the object side surface and the image side surface of the fifth lens are both convex surfaces, and the focal length range of the fifth lens is 2.5mm to 7mm;
the sixth lens is provided with negative focal power, the object side surface and the image side surface of the sixth lens are concave surfaces, and the focal length range of the sixth lens is-4.5 mm to-2.5 mm;
the seventh lens has positive focal power, the object side surface and the image side surface of the seventh lens are both convex, and the focal length range of the seventh lens is 3mm to 8mm.
Preferably, the thickness of the first lens ranges from 0.6mm to 1.0mm;
the thickness of the second lens ranges from 0.5mm to 0.8mm;
the thickness of the third lens ranges from 1.3mm to 1.8mm;
the thickness of the fourth lens ranges from 1.6mm to 2.0mm;
the thickness of the fifth lens ranges from 1.3mm to 1.5mm;
the thickness of the sixth lens is in the range of 0.4mm to 0.55mm;
the seventh lens has a thickness in the range of 1.8mm to 2.1mm.
Preferably, a space between a center of an image side surface of the first lens and a center of an object side surface of the second lens is 1.5mm to 2.0mm;
a space between a center of an image side surface of the second lens and a center of an object side surface of the third lens is 0.6mm to 1.0mm;
a space between a center of an image side surface of the third lens and a center of an object side surface of the fourth lens is 0.1mm to 0.5mm;
the center of the image side surface of the fourth lens and the center of the diaphragm are spaced from 0.1mm to 0.3mm;
a space between the center of the diaphragm and the center of the object side surface of the fifth lens is 0.3mm to 0.6mm;
a space between a center of an image side surface of the fifth lens and a center of an object side surface of the sixth lens is 0.1mm to 0.3mm;
the interval between the center of the image side surface of the sixth lens and the center of the object side surface of the seventh lens is 0.2mm to 0.5mm.
Preferably, the method further comprises: an imaging surface; the imaging surface is positioned on one side of the seventh lens, which faces away from the sixth lens.
Preferably, the method further comprises: a light filter; the filter is positioned between the imaging surface and the seventh lens.
Preferably, the method further comprises: a protective glass; the protective glass is positioned between the optical filter and the imaging surface.
Preferably, a distance between a center of an object side surface of the first lens and the imaging surface is 16mm.
Preferably, the refractive index of the material of the first lens is 1.69<N d1 <1.85; the Abbe number of the first lens is 35<V d1 <50；
The refractive index of the material of the second lens is 1.45<N d2 <1.65; the Abbe number of the second lens is 45<V d2 <64；
The refractive index of the material of the third lens is 1.85<N d3 <1.96; the Abbe number of the third lens is 30<V d3 <40。
Preferably, the material refractive index of the fourth lens is 1.45<N d4 <1.7; the Abbe number of the fourth lens is 70<V d4 <90；
The refractive index of the material of the fifth lens is 1.50<N d5 <1.68; the Abbe number of the fifth lens is 50<V d5 <65；
The refractive index of the material of the sixth lens is 1.55<N d6 <1.7; the Abbe number of the sixth lens is 17<V d6 <35；
The saidThe refractive index of the seventh lens is 1.45<N d6 <1.60; the Abbe number of the seventh lens is 50<V d6 <65。
Preferably, the second lens, the fifth lens, the sixth lens and the seventh lens are aspherical mirrors.
The wide-angle vehicle-mounted lens provided by the utility model has the beneficial effects that: the vehicle-mounted lens is provided with a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from the object side to the image side along the optical axis; the first lens has negative focal power and the image side surface is concave, and the second lens has negative focal power and the image side surface is concave; the third lens has positive focal power, and the object side surface of the third lens is a concave surface and the image side surface is a convex surface; the fourth lens has positive focal power, the object side surface of the fourth lens is a concave surface, the image side surface of the fourth lens is a convex surface, the fifth lens has positive focal power, and the object side surface and the image side surface of the fifth lens are both convex surfaces; the sixth lens has negative focal power, the object side surface and the image side surface of the sixth lens are concave surfaces, the seventh lens has positive focal power, the object side surface and the image side surface of the seventh lens are convex surfaces, the use angle of the combined vehicle-mounted lens is large, the monitoring range of the large angle is provided, and the vehicle-mounted lens can adopt 940nm human eye invisible light to carry out light supplementing shooting, namely, when shooting is carried out at night, the rest of driver and passenger cannot be influenced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of a wide-angle vehicle-mounted lens according to an embodiment of the present utility model;
FIG. 2 is an optical distortion diagram of a wide-angle onboard lens of an embodiment of the present utility model;
FIG. 3 is a field curvature of a wide-angle onboard lens according to an embodiment of the present utility model;
FIG. 4 is a graph of spherical aberration of a wide-angle onboard lens according to an embodiment of the present utility model;
FIG. 5 is a graph of aberration of light from a wide-angle onboard lens according to an embodiment of the present utility model;
fig. 6 is a visible light MTF graph of a wide-angle in-vehicle lens of an embodiment of the present utility model;
fig. 7 is an infrared light MTF graph of a wide-angle in-vehicle lens of an embodiment of the present utility model;
FIG. 8 is a graph of the wide angle on-vehicle lens of an embodiment of the present utility model at-40℃as measured by Wen Lijiao;
FIG. 9 is a defocus plot of a wide-angle vehicle lens of an embodiment of the present utility model at 20deg.C;
fig. 10 is a graph of the height Wen Lijiao of the wide-angle onboard lens at 80 ℃ according to an embodiment of the utility model;
fig. 11 is a schematic diagram of X, H parameters of an aspherical lens of a wide-angle in-vehicle lens according to an embodiment of the present utility model.
In the figure, 01, a first lens; 02. a second lens; 03. a third lens; 04. a fourth lens; 05. a diaphragm; 06. a fifth lens; 07. a sixth lens; 08. a seventh lens; 09. a light filter; 10. a protective glass; 11. an imaging surface.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 10, a wide-angle vehicle lens according to an embodiment of the utility model will be described.
As shown in fig. 1, the wide-angle vehicle-mounted lens of the embodiment of the present utility model includes: the first lens 01, the second lens 02, the third lens 03, the fourth lens 04, the diaphragm 05, the fifth lens 06, the sixth lens 07, the seventh lens 08, the optical filter 09, the protective glass 10 and the imaging surface 11 are sequentially arranged from the object side to the image side along the optical axis, namely, after light rays obliquely enter from the first lens 01, the light rays pass through the second lens 02, the third lens 03, the fourth lens 04, the diaphragm 05, the fifth lens 06, the sixth lens 07, the seventh lens 08, the optical filter 09 and the protective glass 10, and finally reach the imaging surface 11, so that a picture meets the resolution requirement of a photosensitive chip and the imaging picture is full of the effective packaging area of the photosensitive chip;
wherein the first lens 01 has negative focal power and a concave image side surface, and the focal length of the first lens 01 ranges from-8.2 mm to-3.5 mm; the second lens 02 has negative focal power and a concave image side surface, and the focal length of the second lens 02 ranges from-11 mm to-5 mm; the third lens 03 has positive focal power, the object side surface of the third lens 03 is a concave surface, the image side surface of the third lens 03 is a convex surface, and the lens focal length of the third lens 03 ranges from 4.5mm to 10mm; the fourth lens 04 has positive focal power, the object side surface of the fourth lens 04 is a concave surface, the image side surface of the fourth lens 04 is a convex surface, and the lens focal length range of the fourth lens 04 is 10mm to 20mm; the fifth lens 06 has positive focal power, the object side surface and the image side surface of the fifth lens 06 are both convex, and the lens focal length range of the fifth lens 06 is 2.5mm to 7mm; the sixth lens 07 has negative focal power, the object side surface and the image side surface of the sixth lens 07 are concave, and the focal length of the sixth lens 07 ranges from-4.5 mm to-2.5 mm; the seventh lens 08 has positive optical power, both the object side surface and the image side surface of the seventh lens 08 are convex, and the focal length of the seventh lens 08 ranges from 3mm to 8mm.
The first lens 01 can be made of lanthanide flint glass, and the lanthanide flint glass has extremely high hardness and extremely low abrasion, and is arranged on the first piece of the optical system of the lens to play a good role in protection; the front end of the first lens 01 with negative focal power on the object side can improve the large-angle light collection capability of the system, and provides a first basis for large-field imaging.
Further, the thickness of the first lens 01 ranges from 0.6mm to 1.0mm; the thickness of the second lens 02 ranges from 0.5mm to 0.8mm; the thickness of the third lens 03 ranges from 1.3mm to 1.8mm; the thickness of the fourth lens 04 ranges from 1.6mm to 2.0mm; the thickness of the fifth lens 06 ranges from 1.3mm to 1.5mm; the thickness of the sixth lens 07 ranges from 0.4mm to 0.55mm; the thickness of the seventh lens 08 ranges from 1.8mm to 2.1mm.
Further, as shown in fig. 1, the surfaces of the lenses of the vehicle-mounted lens, along which the light sequentially passes through along the optical axis, are sequentially S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17, S18; the interval between the center of the image side surface of the first lens element 01 and the center of the object side surface of the second lens element 02 is 1.5mm to 2.0mm, i.e., the interval between S2 to S3 in fig. 1 is 1.5mm to 2.0mm; the interval between the center of the image side surface of the second lens element 02 and the center of the object side surface of the third lens element 03 is 0.6mm to 1.0mm, i.e., the interval between S4 to S5 in fig. 1 is 0.6mm to 1.0mm; the interval between the center of the image side surface of the third lens 03 and the center of the object side surface of the fourth lens 04 is 0.1mm to 0.5mm, that is, the interval between S6 to S7 in fig. 1 is 0.1mm to 0.5mm;
the distance between the center of the image side surface of the fourth lens 04 and the center of the diaphragm 05 is 0.1mm to 0.3mm, that is, the distance between S8 and the diaphragm 05 in fig. 1 is 0.1mm to 0.3mm; the interval between the center of the diaphragm 05 and the center of the object side surface of the fifth lens 06 is 0.3mm to 0.6mm, that is, the interval of the diaphragms 05 to S9 in fig. 1 is 0.3mm to 0.6mm; a space between the center of the image side surface of the fifth lens 06 and the center of the object side surface of the sixth lens 07 is 0.1mm to 0.3mm, that is, a space between S10 to S11 in fig. 1 is 0.1mm to 0.3mm; the interval between the center of the image side surface of the sixth lens element 07 and the center of the object side surface of the seventh lens element 08 is 0.2mm to 0.5mm, that is, the interval of S12 to S13 in fig. 1 is 0.2mm to 0.5mm;
further, the refractive index of the material of the first lens 01 is 1.69<N d1 <1.85; the Abbe number of the first lens 01 is 35<V d1 <50; the refractive index of the material of the second lens 02 is 1.45<N d2 <1.65; the Abbe number of the second lens 02 is 45<V d2 <64; the refractive index of the material of the third lens 03 is 1.85<N d3 <1.96; the Abbe number of the third lens 03 is 30<V d3 <40. The refractive index of the material of the fourth lens 04 is 1.45<N d4 <1.7; the Abbe number of the fourth lens 04 is 70<V d4 <90; the refractive index of the material of the fifth lens 06 is 1.50<N d5 <1.68; the Abbe number of the fifth lens 06 is 50<V d5 <65. The refractive index of the material of the sixth lens 07 is 1.55<N d6 <1.7; the Abbe number of the sixth lens 07 is 17<V d6 <35; the refractive index of the material of the seventh lens 08 is 1.45<N d6 <1.60; the Abbe number of the seventh lens 08 is 50<V d6 <65。
Further, the second lens 02, the fifth lens 06, the seventh lens 08, and the sixth lens 07 are injection molded of an optical resin material, and are aspherical mirrors, and the shapes and the surface shapes of the second lens 02, the fifth lens 06, the seventh lens 08, and the sixth lens 07 satisfy the following aspherical formulas:
referring to fig. 11, where X is the displacement along the optical axis, H is the height along the Y axis, relative to a point (X, H) on the radius of curvature of the lens;
the surfaces of the X calculation factors corresponding to the second lens 02 are S3 and S4, and the surfaces of the X calculation factors corresponding to the fifth lens 06 are S9 and S10; the surfaces of the X calculation factors corresponding to the sixth lens 07 are S11 and S12, and the surfaces of the X calculation factors corresponding to the seventh lens 08 are S13 and S14;
the following tables are S3, S4, S9, S10, S11, S12, S13, S14, which can bring in the calculated aspherical parameters.
The parameters of the implementation of the wide-angle vehicle lens of this embodiment are as follows:
the total focal power phi of the lens system is 0.4, and the aperture F# is 2.05; the total length defines the system length from the S1 surface of the first lens 01 to the imaging surface 11 to be 16mm; the maximum field angle DFOV is 168 °; the imaging circle diameter D was 6.3mm.
Referring to fig. 2 to 4, fig. 2, 3 and 4 are graphs of optical distortion, curvature of field and spherical aberration of the on-vehicle lens according to the present embodiment, so that it is known that the imaging quality of the present embodiment is in the multispectral range, and the longitudinal chromatic aberration and curvature of field are well corrected.
Referring to fig. 5, fig. 5 is a graph of aberration of light of the vehicle lens in this embodiment, where the result of this embodiment is less than 0.01mm in the visible spectrum, the consistency of the imaging quality center and the periphery is good, the consistency of the imaging quality center and the periphery is less than 0.02mm in the infrared spectrum, and the night vision imaging effect meets the resolution requirement of the photosensitive chip.
Referring to fig. 6 to 7, fig. 6 and 7 are graphs of a graph of a visible light MTF (modulation transfer function) and an infrared light MTF (modulation transfer function) of the in-vehicle lens of the present embodiment in order, and fig. 6 and 7 are good in combination with the alignment Jiao Xing of each field of view illustrating the multispectral of the in-vehicle lens of the present embodiment.
Referring to fig. 8 to 10, fig. 8, 9 and 10 are graphs of-40 ℃, +20 ℃, +80 ℃ and Wen Lijiao of the vehicle-mounted lens of the embodiment of the utility model, respectively, it can be seen that the defocusing amount of the vehicle-mounted lens does not affect the imaging definition in the temperature range from-40 ℃ to +80 ℃, and the vehicle-mounted lens is suitable for the temperature environment of day and night driving of an automobile.
In summary, the use angle of the vehicle-mounted lens of the embodiment is large, the monitoring range of the angle is large, and the vehicle-mounted lens can adopt 940nm human eye invisible light to carry out light supplementing shooting, namely, when shooting is carried out at night, the rest of drivers and passengers cannot be influenced.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (10)
1. A wide-angle vehicle-mounted lens, comprising: a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, and a seventh lens which are sequentially arranged from an object side to an image side along an optical axis;
the first lens has negative focal power and a concave image side surface, and the focal length of the first lens ranges from-8.2 mm to-3.5 mm;
the second lens has negative focal power and a concave image side surface, and the focal length of the second lens ranges from-11 mm to-5 mm;
the third lens has positive focal power, the object side surface of the third lens is a concave surface, the image side surface of the third lens is a convex surface, and the focal length range of the third lens is 4.5mm to 10mm;
the fourth lens has positive focal power, the object side surface of the fourth lens is a concave surface, the image side surface of the fourth lens is a convex surface, and the focal length range of the fourth lens is 10mm to 20mm;
the fifth lens has positive focal power, the object side surface and the image side surface of the fifth lens are both convex surfaces, and the focal length range of the fifth lens is 2.5mm to 7mm;
the sixth lens is provided with negative focal power, the object side surface and the image side surface of the sixth lens are concave surfaces, and the focal length range of the sixth lens is-4.5 mm to-2.5 mm;
the seventh lens has positive focal power, the object side surface and the image side surface of the seventh lens are both convex, and the focal length range of the seventh lens is 3mm to 8mm.
2. The wide-angle in-vehicle lens as claimed in claim 1, wherein,
the thickness of the first lens ranges from 0.6mm to 1.0mm;
the thickness of the second lens ranges from 0.5mm to 0.8mm;
the thickness of the third lens ranges from 1.3mm to 1.8mm;
the thickness of the fourth lens ranges from 1.6mm to 2.0mm;
the thickness of the fifth lens ranges from 1.3mm to 1.5mm;
the thickness of the sixth lens is in the range of 0.4mm to 0.55mm;
the seventh lens has a thickness in the range of 1.8mm to 2.1mm.
3. The wide-angle in-vehicle lens as claimed in claim 1, wherein,
a space between a center of an image side surface of the first lens and a center of an object side surface of the second lens is 1.5mm to 2.0mm;
a space between a center of an image side surface of the second lens and a center of an object side surface of the third lens is 0.6mm to 1.0mm;
a space between a center of an image side surface of the third lens and a center of an object side surface of the fourth lens is 0.1mm to 0.5mm;
the center of the image side surface of the fourth lens and the center of the diaphragm are spaced from 0.1mm to 0.3mm;
a space between the center of the diaphragm and the center of the object side surface of the fifth lens is 0.3mm to 0.6mm;
a space between a center of an image side surface of the fifth lens and a center of an object side surface of the sixth lens is 0.1mm to 0.3mm;
the interval between the center of the image side surface of the sixth lens and the center of the object side surface of the seventh lens is 0.2mm to 0.5mm.
4. The wide-angle in-vehicle lens of claim 1, further comprising: an imaging surface; the imaging surface is positioned on one side of the seventh lens, which faces away from the sixth lens.
5. The wide-angle in-vehicle lens of claim 4, further comprising: a light filter; the filter is positioned between the imaging surface and the seventh lens.
6. The wide-angle in-vehicle lens of claim 5, further comprising: a protective glass; the protective glass is positioned between the optical filter and the imaging surface.
7. The wide-angle in-vehicle lens of claim 4, wherein a distance between a center of an object side surface of the first lens and the imaging surface is 16mm.
8. The wide-angle in-vehicle lens as claimed in claim 1, wherein,
the refractive index of the material of the first lens is 1.69<N d1 <1.85; the Abbe number of the first lens is 35<V d1 <50；
The refractive index of the material of the second lens is 1.45<N d2 <1.65; the Abbe number of the second lens is 45<V d2 <64；
The refractive index of the material of the third lens is 1.85<N d3 <1.96; the Abbe number of the third lens is 30<V d3 <40。
9. The wide-angle vehicle mirror of claim 1The head is characterized in that the refractive index of the material of the fourth lens is 1.45<N d4 <1.7; the Abbe number of the fourth lens is 70<V d4 <90；
The refractive index of the material of the fifth lens is 1.50<N d5 <1.68; the Abbe number of the fifth lens is 50<V d5 <65；
The refractive index of the material of the sixth lens is 1.55<N d6 <1.7; the Abbe number of the sixth lens is 17<V d6 <35；
The refractive index of the seventh lens is 1.45<N d6 <1.60; the Abbe number of the seventh lens is 50<V d6 <65。
10. The wide-angle in-vehicle lens of claim 1, wherein the second, fifth, sixth, and seventh lenses are aspherical mirrors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321899600.7U CN220543197U (en) | 2023-07-19 | 2023-07-19 | Wide-angle vehicle-mounted lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321899600.7U CN220543197U (en) | 2023-07-19 | 2023-07-19 | Wide-angle vehicle-mounted lens |
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| Publication Number | Publication Date |
|---|---|
| CN220543197U true CN220543197U (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321899600.7U Active CN220543197U (en) | 2023-07-19 | 2023-07-19 | Wide-angle vehicle-mounted lens |
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| CN (1) | CN220543197U (en) |
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2023
- 2023-07-19 CN CN202321899600.7U patent/CN220543197U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wide-angle car mounted lens Granted publication date: 20240227 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2024980009887 |