CN206020792U - The day and night camera lens of the confocal wide-angle high pixel optics system of low distortion and its application - Google Patents
The day and night camera lens of the confocal wide-angle high pixel optics system of low distortion and its application Download PDFInfo
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- CN206020792U CN206020792U CN201620936877.6U CN201620936877U CN206020792U CN 206020792 U CN206020792 U CN 206020792U CN 201620936877 U CN201620936877 U CN 201620936877U CN 206020792 U CN206020792 U CN 206020792U
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Abstract
The utility model embodiment discloses a kind of high pixel optics system of the low distortion of day and night confocal wide-angle, at least includes from object plane to image planes successively along optical axis：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.On the other hand, the utility model embodiment additionally provides a kind of camera lens.The utility model embodiment, is applied on the equipment such as intelligent monitoring, drive recorder, and which is mainly made up of 7 pieces of lens, and lens piece number is few, simple structure；It is mutually combined using different lens, with ultra-wide angle, low distortion, high pixel and the day and night favorable optical performance such as confocal.
Description
Technical field：
The utility model is related to the camera lens of a kind of optical system and its application, and especially one kind is applied to intelligent monitoring, OK
The high pixel optics system of the low distortion of day and night confocal wide-angle on the equipment such as car recorder and its camera lens of application.
Background technology：
Existing optical system or camera lens, the optical system being particularly applied on the equipment such as intelligent monitoring, drive recorder
Or camera lens, there is baroque defect.
Content of the invention：
For the problem for overcoming existing optical system or lens construction complicated, the utility model embodiment is on the one hand there is provided one
Plant the high pixel optics system of the low distortion of day and night confocal wide-angle.
Day and night the high pixel optics system of the low distortion of confocal wide-angle, at least includes from object plane to image planes successively along optical axis：First
Lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；
The object plane side of first lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of second lens is plane, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 3rd lens is concave surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of the 4th lens is convex surface, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 5th lens is concave surface, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 6th lens is concave surface, and image planes side is convex surface, and its focal power is negative；
The object plane side of the 7th lens is convex surface, and image planes side is convex surface, and its focal power is for just.
On the other hand, the utility model embodiment additionally provides a kind of camera lens.
A kind of camera lens, is provided with the high pixel optics system of the low distortion of day and night confocal wide-angle described above in camera lens.
The utility model embodiment, is applied on the equipment such as intelligent monitoring, drive recorder, and which is mainly by 7 pieces of lens structures
Into lens piece number is few, simple structure；It is mutually combined using different lens, with ultra-wide angle, low distortion, high pixel and day and night
The favorable optical performance such as confocal.
Description of the drawings：
For the technical scheme being illustrated more clearly that in the utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of optical system of the present utility model or camera lens；
Fig. 2 is the curvature of field, the distortion curve figure of optical system of the present utility model or camera lens；
Fig. 3 is the chromaticity difference diagram of optical system of the present utility model or camera lens；
Fig. 4 is optical system of the present utility model or camera lens MTF curve figure under visible light；
Fig. 5 is the MTF curve figure of optical system of the present utility model or camera lens under infrared light；
Fig. 6 is the relative illumination figure of optical system of the present utility model or camera lens.
Specific embodiment：
In order that technical problem, technical scheme and beneficial effect that the utility model is solved become more apparent, below
In conjunction with drawings and Examples, the utility model is further elaborated.It should be appreciated that described herein be embodied as
Example only in order to explain the utility model, is not used to limit the utility model.
As shown in figure 1, the day and night high pixel optics system of the low distortion of confocal wide-angle, along optical axis from object plane to image planes successively at least
Including：First lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6 and the 7th lens
7.
The object plane side of first lens 1 is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of second lens 2 is plane, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 3rd lens 3 is concave surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of the 4th lens 4 is convex surface, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 5th lens 5 is concave surface, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 6th lens 6 is concave surface, and image planes side is convex surface, and its focal power is negative；
The object plane side of the 7th lens 7 is convex surface, and image planes side is convex surface, and its focal power is for just.
The utility model embodiment, is applied on the equipment such as intelligent monitoring, drive recorder, and which is mainly by 7 pieces of lens structures
Into lens piece number is few, simple structure；It is mutually combined using different lens, with ultra-wide angle, low distortion, high pixel and day and night
The favorable optical performance such as confocal.
Further, the first lens 1 are made using glass material, and its focal length f1 meets：-0.6<f/f1<- 0.3, f are whole
The focal length of individual optical system.Simple structure, it is ensured that good optical property.
Yet further, the second lens 2 are made using heavy-lanthanide flint glass material, its Refractive Index of Material Nd2, material Abbe
Constant Vd2, focal length f2 meet：Nd2 ＞ 1.91, Vd2 ＜ 22,0<f/f2<0.3, f is the focal length of whole optical system.Structure letter
Single compact, it is ensured that good optical property.
Further, the 3rd lens 3 are made using light crown glass material, its Refractive Index of Material Nd3, material Abbe constant
Vd3 meets：Nd3 ＜ 1.50, Vd3 ＞ 70.Simple and compact for structure, it is ensured that good optical property.
Further, the 4th lens 4 are made using heavy-lanthanide flint glass material, its Refractive Index of Material Nd4, material Abbe
Constant Vd4, focal length f4 meet：Nd4 ＞ 1.88, Vd4 ＜ 40,0.44<f/f4<0.67, f is the focal length of whole optical system.Knot
Structure is simple, it is ensured that good optical property.
Further, the 5th lens 5 and the 6th lens 6 are made using glass material, and its mutually glued formation combines thoroughly
Mirror, the focal length f56 of compound lens meet：0.1<f/f56<0.23, f is the focal length of whole optical system.Simple and compact for structure, can
Ensure good optical property.
Yet further, the 7th lens 7 are made using heavy-lanthanide flint glass material, its Refractive Index of Material Nd7, material Abbe
Constant Vd7, focal length f7 meet：Nd7 ＞ 1.905, Vd7 ＜ 38,0.2mm<f/f7<0.31mm, f are Jiao of whole optical system
Away from.Simple structure, it is ensured that good optical property.
Further, the diaphragm 10 of optical system is located between the 4th lens 4 and the 5th lens 5, near the 4th lens 4
Side.Simple structure, for adjusting the intensity of light beam.
First lens, 1 to the 7th lens 7 are glass lens, it is ensured that good optical property.
Specifically, in the present embodiment, the focal length f of this optical system is 2.34mm, and stop index FNo. is 2.0, level
2 ω=147 ° of the direction angle of visual field, 2 ω=181 ° of the diagonally opposed angle of visual field.Every basic parameter of this optical system such as following table institute
Show：
In upper table, along optical axis from object plane to image planes, S1, S2 correspond to two surfaces of the first lens 1；S3, S4 are corresponded to
Two surfaces of the second lens 2；S5, S6 correspond to two surfaces of the 3rd lens 3；S7, S8 correspond to two of the 4th lens 4
Surface；STO is 10 position of diaphragm；S9, S10 correspond to two surfaces of the 5th lens 5；It is saturating that S10, S11 correspond to the 6th
Two surfaces of mirror 6；S12, S13 correspond to two surfaces of the 7th lens 7；Surfaces of the S14 for optical filter 8.
In from Fig. 2 to Fig. 6 as can be seen that the present embodiment in optical system have ultra-wide angle, low distortion, high pixel, with
And the day and night favorable optical performance such as confocal.
A kind of camera lens, is provided with the high pixel optics system of the low distortion of day and night confocal wide-angle described above in camera lens.
One or more embodiment provided with reference to particular content is provided, does not assert tool of the present utility model
Body is implemented to be confined to these explanations.All approximate, identical with method of the present utility model, structure etc., or for this practicality new
Some technology deduction or replace are made under type concept thereof, should all be considered as protection domain of the present utility model.
Claims (9)
1. the day and night high pixel optics system of the low distortion of confocal wide-angle, at least includes from object plane to image planes successively along optical axis：First is saturating
Mirror, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens；Characterized in that,
The object plane side of first lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of second lens is plane, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 3rd lens is concave surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of the 4th lens is convex surface, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 5th lens is concave surface, and image planes side is convex surface, and its focal power is for just；
The object plane side of the 6th lens is concave surface, and image planes side is convex surface, and its focal power is negative；
The object plane side of the 7th lens is convex surface, and image planes side is convex surface, and its focal power is for just.
2. the high pixel optics system of the low distortion of day and night confocal wide-angle according to claim 1, it is characterised in that the 5th lens
With the mutually glued formation compound lens of the 6th lens.
3. the high pixel optics system of the low distortion of day and night confocal wide-angle according to claim 1, it is characterised in that the second lens
Refractive Index of Material Nd2, material Abbe constant Vd2 meet：Nd2 ＞ 1.91, Vd2 ＜ 22.
4. the high pixel optics system of the low distortion of day and night confocal wide-angle according to claim 1, it is characterised in that the 3rd lens
Refractive Index of Material Nd3, material Abbe constant Vd3 meet：Nd3 ＜ 1.50, Vd3 ＞ 70.
5. the high pixel optics system of the low distortion of day and night confocal wide-angle according to claim 1, it is characterised in that the 4th lens
Refractive Index of Material Nd4, material Abbe constant Vd4 meet：Nd4 ＞ 1.88, Vd4 ＜ 40.
6. the high pixel optics system of the low distortion of day and night confocal wide-angle according to claim 1, it is characterised in that the 7th lens
Refractive Index of Material Nd7, material Abbe constant Vd7 meet：Nd7 ＞ 1.905, Vd7 ＜ 38.
7. the high pixel optics system of the low distortion of day and night confocal wide-angle according to claim 1, it is characterised in that optical system
Diaphragm be located between the 4th lens and the 5th lens, near the 4th lens side.
8. the high pixel optics system of the low distortion of day and night confocal wide-angle according to claim 1, it is characterised in that the optical system
Each lens of system meet following condition：
(1)-0.6<f/f1<-0.3；
(2)0<f/f2<0.3；
(3)0.44<f/f4<0.67；
(4)0.1<f/f56<0.23；
(5)0.2<f/f7<0.31；
Wherein, f is the focal length of whole optical system, and f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f4 is the 4th
The focal length of lens, f56 are the combined focal length of the 5th lens and the 6th lens, and f7 is the focal length of the 7th lens.
9. a kind of camera lens, it is characterised in that the day and night confocal wide-angle being provided with camera lens described in any one of claim 1-8 is low abnormal
Uprise pixel optics system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620936877.6U CN206020792U (en) | 2016-08-25 | 2016-08-25 | The day and night camera lens of the confocal wide-angle high pixel optics system of low distortion and its application |
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| CN201620936877.6U CN206020792U (en) | 2016-08-25 | 2016-08-25 | The day and night camera lens of the confocal wide-angle high pixel optics system of low distortion and its application |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456480A (en) * | 2019-08-02 | 2019-11-15 | 佛山科学技术学院 | It is a kind of to minimize high pixel panorama day and night confocal optical system |
| US11067777B2 (en) | 2017-11-02 | 2021-07-20 | Zhejiang Sunny Optical Co., Ltd | Optical imaging system |
| CN115220183A (en) * | 2022-06-17 | 2022-10-21 | 广东省三目汽车电子有限公司 | On-vehicle panorama camera of super wide angle and CMS system |
-
2016
- 2016-08-25 CN CN201620936877.6U patent/CN206020792U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11067777B2 (en) | 2017-11-02 | 2021-07-20 | Zhejiang Sunny Optical Co., Ltd | Optical imaging system |
| CN110456480A (en) * | 2019-08-02 | 2019-11-15 | 佛山科学技术学院 | It is a kind of to minimize high pixel panorama day and night confocal optical system |
| CN110456480B (en) * | 2019-08-02 | 2024-04-30 | 佛山科学技术学院 | Miniaturized high-pixel panoramic day-night confocal optical system |
| CN115220183A (en) * | 2022-06-17 | 2022-10-21 | 广东省三目汽车电子有限公司 | On-vehicle panorama camera of super wide angle and CMS system |
| CN115220183B (en) * | 2022-06-17 | 2023-11-21 | 广东省三目汽车电子有限公司 | Ultra-wide-angle vehicle-mounted panoramic camera and CMS system |
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| C14 | Grant of patent or utility model | ||
| 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: High pixel optical system of low distortion of confocal wide angle of day night and camera lens of using thereof Effective date of registration: 20190108 Granted publication date: 20170315 Pledgee: China Co. truction Bank Corp Zhongshan branch Pledgor: GUANGDONG HONGJING OPTOELECTRONIC TECHNOLOGY Inc. Registration number: 2019990000021 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220622 Granted publication date: 20170315 Pledgee: China Co. truction Bank Corp Zhongshan branch Pledgor: GUANGDONG HONGJING OPTOELECTRONIC TECHNOLOGY Inc. Registration number: 2019990000021 |