CN207123648U - Inexpensive large aperture 4MP is without thermalization tight shot - Google Patents
Inexpensive large aperture 4MP is without thermalization tight shot Download PDFInfo
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- CN207123648U CN207123648U CN201721185955.4U CN201721185955U CN207123648U CN 207123648 U CN207123648 U CN 207123648U CN 201721185955 U CN201721185955 U CN 201721185955U CN 207123648 U CN207123648 U CN 207123648U
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Abstract
Lens technology field is the utility model is related to, more particularly to inexpensive large aperture 4MP includes successively without thermalization tight shot along light incident direction：The lens of plastics first of an one convex recessed negative power, the lens of plastics second of concave-concave negative power, the lens of glass the 3rd of biconvex positive light coke, the lens of glass the 4th of biconvex positive light coke, the lens of plastics the 5th of biconvex positive light coke, the lens of plastics the 6th of concave-concave negative power, the lens of plastics the 7th of biconvex positive light coke.Visible ray 4MP pixels of the present utility model, combined by reasonable employment glass and optical plastic, image quality is good, and so that infrared can also reach 4MP pixels on the premise of not focusing on again, clearly bright monitored picture can be also realized under night low-light (level), it can also reach simultaneously under 30~+80 degree environment using Jiao is not run, reach the requirement of low-cost and high-performance.
Description
Technical field
Lens technology field, more particularly to inexpensive large aperture 4MP be the utility model is related to without thermalization tight shot.
Background technology
With the development of data transfer and storing technology, in monitoring field, the monitoring for possessing high definition or full HD pixel is taken the photograph
As the gradual occuping market of head, full HD camera chip has 1920*1080 pixel i.e. 1080p, also in the presence of some 4MP and 6MP
Pixel request, meanwhile, the size requirement to chip differs, and main flow size is 1/3 inch or 1/2.7 inch.
The specification of chip determines the design requirement of camera lens, and 4MP, 1/2.7 inch of chip can be realized more preferably enough
As matter, but at present such camera lens also exist as matter it is bad the problem of, resolution ratio has much room for improvement, and put forward high-resolution method can be with
Increase number of lenses, or clear aperature is reduced using less eyeglass, thus the problem of performance is difficult to balance with cost be present.
For this reason, it is necessary to inexpensive large aperture 4MP is provided without thermalization tight shot to overcome drawbacks described above.
Utility model content
The utility model provides inexpensive large aperture 4MP without thermalization tight shot, it is seen that light 4MP pixels, by reasonable
Combined using glass and optical plastic, image quality is good, and so that infrared can also reach 4MP on the premise of not focusing on again
Pixel, clearly bright monitored picture can be also realized under night low-light (level), while can also reached in -30~+80 degree
Using Jiao is not run under environment, the requirement of low-cost and high-performance is reached.
In order to solve the above-mentioned technical problem, technical solution adopted in the utility model is：
Inexpensive large aperture 4MP includes successively without thermalization tight shot along light incident direction：An one convex recessed negative power
The lens of plastics first, the lens of plastics second of concave-concave negative power, the lens of glass the 3rd of biconvex positive light coke, the positive light focus of biconvex
The lens of glass the 4th of degree, the lens of plastics the 5th of biconvex positive light coke, the lens of plastics the 6th of concave-concave negative power, biconvex is just
The lens of plastics the 7th of focal power.
Preferably, the 3rd lens, focal length and the inexpensive large aperture 4MP of the 5th lens focus without thermalization
The focal length of the whole camera lens of camera lens meets relationship below：
2.94<∣f3/f∣<4.35；
1.37<∣f5/f∣<2.53；
Wherein, the f3 represents the focal length of the 3rd lens, and the f5 represents the focal length of the 5th lens, the f
Represent the inexpensive focal lengths of the large aperture 4MP without the whole camera lens of thermalization tight shot.
Preferably, first lens pass through soma close-fittings, second lens and the described 3rd with second lens
Lens are by spacer ring close-fitting, and the 3rd lens and the 4th lens are by spacer ring close-fitting, the 4th lens and described the
Five lens by spacer ring close-fitting, the 5th lens and the 6th lens by soma close-fittings, the 6th lens with it is described
7th lens pass through spacer ring close-fitting.
Compared with prior art, inexpensive large aperture 4MP of the present utility model is without thermalization tight shot, along light incident direction
Include successively：The lens of plastics first of an one convex recessed negative power, the lens of plastics second of concave-concave negative power, the positive light focus of biconvex
The lens of glass the 3rd of degree, the lens of glass the 4th of biconvex positive light coke, the lens of plastics the 5th of biconvex positive light coke, concave-concave are born
The lens of plastics the 6th of focal power, the lens of plastics the 7th of biconvex positive light coke, by using 2 glass spheric glasses and 5
The combination of plastic aspherical element eyeglass, the purpose of low cost is not only realized, it is infrared not again also with good imaging quality
Also the function of 4MP pixels can be reached on the premise of focusing, in addition, also causing the utility model to make in the environment of -30~+80 degree
With also not running Jiao.
Brief description of the drawings
Fig. 1 is inexpensive structural representations of the large aperture 4MP without thermalization tight shot of the present utility model.
Fig. 2 is inexpensive index paths of the large aperture 4MP without thermalization tight shot of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings, embodiment of the present utility model is specifically illustrated, accompanying drawing is only for reference and explanation uses, not structure
The limitation of paired the utility model patent protection domain.
Refer to Fig. 1 and 2, inexpensive large aperture 4MP of the present utility model without thermalization tight shot, along light incident direction according to
It is secondary including, the 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, wherein, first lens 1 pass through soma close-fittings, second lens 2 and the 3rd lens 3 with second lens 2
By spacer ring close-fitting, the 3rd lens 3 pass through spacer ring close-fitting, the 4th lens 4 and the described 5th with the 4th lens 4
Lens 5 pass through soma close-fittings, the 6th lens 6 and institute by spacer ring close-fitting, the 5th lens 5 with the 6th lens 6
The 7th lens 7 are stated by spacer ring close-fitting, specifically, first lens 1 are the plastic lens of a convex recessed negative power, described
Second lens 2 are the plastic lens of concave-concave negative power, and the 3rd lens 3 are the glass lens of biconvex positive light coke, described
4th lens 4 are the glass lens of biconvex positive light coke, and the 5th lens 5 are the plastic lens of biconvex positive light coke, described
6th lens 6 are the plastic lens of concave-concave negative power, and the 7th lens 7 are the plastic lens of biconvex positive light coke.More
Body, first lens 1, two lens 2, the 5th lens 5, the 6th lens 6 and the 7th lens 7 are non-
Spheric glass, three lens 3 and the 4th lens 4 are spheric glass.
Further, the 3rd lens 3, the focal length of the 5th lens 5 and the inexpensive large aperture 4MP are without thermalization
The focal length of the whole camera lens of tight shot meets relationship below：
2.94<∣f3/f∣<4.35；
1.37<∣f5/f∣<2.53；
Wherein, the f3 represents the focal length of the 3rd lens 3, and the f5 represents the focal length of the 5th lens 5, described
F represents the inexpensive focal lengths of the large aperture 4MP without the whole camera lens of thermalization tight shot.The relational expression of above-mentioned focal length is set, and is made
Obtain the utility model and also reach miniaturization and high performance requirement.
Further, the physical parameter of first lens 1 to the 7th lens 7 meets table 1 below relation：
| F1=-3.45~-5.83 | N1=1.50~1.7 | R1=22.56~56.82 | R2=1.35~4.56 |
| F2=-4.75~12.48 | N2=1.48~1.74 | R3=-4.54~-9.82 | R4=25.58~112.82 |
| F3=8.12~12.20 | N3=1.75~1.88 | R5=6.27~18.52 | R6=-14.57~59.53 |
| F4=8.1~16.45 | N4=1.42~1.63 | R7=15.82~50.57 | R8=-4.53~-9.23 |
| F5=4.85~7.45 | N5=1.42~1.63 | R9=2.82~7.57 | R10=-4.53~-10.23 |
| F6=-4.05~-7.45 | N6=1.52~1.73 | R11=-2.82~-7.57 | R12=14.53~41.23 |
| F7=4.85~7.45 | N7=1.42~1.63 | R13=2.82~7.57 | R14=-4.53~-10.23 |
Table 1
Wherein, the f1 to the f7 corresponds the focal length to the 7th lens 7 for first lens 1, described
N1 to the n7 correspond for first lens 1 to the refractive index of the lens 7, the R1 and R2 correspond to described first
The radius of curvature on the two sides of lens 1, the R3 and R4 correspond to described and the radius of curvature on the two sides of lens 2, the R5 and R6 pairs
Should be described and the radius of curvature on the two sides of lens 3, the R7 and R8 correspond to described and the radius of curvature on the two sides of lens 4,
The R9 and R10 correspond to described and the radius of curvature on the two sides of lens 5, and the R11 and R12 correspond to described and lens 6
The radius of curvature on two sides, the R13 and R14 correspond to described the and the radius of curvature on the two sides of lens 7, "-" represent that direction is negative.
First lens 1, two lens 2, the 5th lens 5, the 6th lens 6 and the 7th lens 7
Meet below equation：
Y represents the radial coordinate value of vertical lens optical axis, and Z is that the non-spherical lens along optical axis direction is highly being y's
During position, away from non-spherical lens summit apart from rise, c=1/R, R represent the curvature half at corresponding non-spherical lens face type center
Footpath, k represent circular cone coefficient, and parameter A, B, C, D, E, F are high order aspheric surface coefficient.
Yet further, first lens 1 of the present utility model are corresponding to the two sides of the 7th lens 7, and diaphragm
Physical parameter meet the relation of table 2：
Table 2
Wherein, R is radius of curvature, and D is the thickness at corresponding lens axle center, and nd is refractive index, and K represents circular cone coefficient, PL
Plane is represented, "-" represents that direction is negative.
Parameter during the corresponding physical parameter aforesaid equation of non-spherical lens corresponding surface sequence number of the present utility model meets
The data area of table 3：
Table 3
From the above, it can be seen that inexpensive camera lenses of the large aperture 4MP without thermalization tight shot of the present utility model is adopted
Add the optical texture of the glass modeling combination of 5 plastic aspherical element eyeglasses with 2 glass spheric glasses so that the utility model is reaching
It is high performance also effectively to control production cost simultaneously, with reference to the 3rd lens 3 described in the utility model, the 5th lens 5
Focal length and the setting of the relational expression of the focal lengths of the inexpensive large aperture 4MP without the whole camera lens of thermalization tight shot so that this reality
There is miniaturization and high performance feature with new, further, the utility model has reached visible ray 4MP pixels, is imaged matter
Amount is good, and cause it is infrared can also reach 4MP pixels on the premise of not focusing on again, also can be real under night low-light (level)
The monitored picture now clearly to become clear, while can also reach under -30~+80 degree environment using the function of not running Jiao.
Above disclosed is only preferred embodiment of the present utility model, it is impossible to limits right of the present utility model with this
Protection domain, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the model that the utility model is covered
Enclose.
Claims (3)
1. inexpensive large aperture 4MP is without thermalization tight shot, it is characterised in that includes successively along light incident direction：One convex one is recessed
The lens of plastics first of negative power, the lens of plastics second of concave-concave negative power, the lens of glass the 3rd of biconvex positive light coke,
The lens of glass the 4th of biconvex positive light coke, the lens of plastics the 5th of biconvex positive light coke, the plastics the 6th of concave-concave negative power
Lens, the lens of plastics the 7th of biconvex positive light coke.
2. inexpensive large aperture 4MP as claimed in claim 1 is without thermalization tight shot, it is characterised in that the 3rd lens,
The focal length of 5th lens meets with ShiShimonoseki with focal lengths of the inexpensive large aperture 4MP without the whole camera lens of thermalization tight shot
It is formula：
2.94<∣f3/f∣<4.35；
1.37<∣f5/f∣<2.53；
Wherein, the f3 represents the focal length of the 3rd lens, and the f5 represents the focal length of the 5th lens, and the f is represented
The inexpensive focal lengths of the large aperture 4MP without the whole camera lens of thermalization tight shot.
3. inexpensive large aperture 4MP as claimed in claim 1 is without thermalization tight shot, it is characterised in that first lens
It is saturating by spacer ring close-fitting, the described 3rd by soma close-fittings, second lens and the 3rd lens with second lens
Mirror and the 4th lens are by spacer ring close-fitting, and the 4th lens and the 5th lens are by spacer ring close-fitting, and the described 5th
Lens pass through spacer ring close-fitting by soma close-fittings, the 6th lens with the 6th lens with the 7th lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721185955.4U CN207123648U (en) | 2017-09-15 | 2017-09-15 | Inexpensive large aperture 4MP is without thermalization tight shot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721185955.4U CN207123648U (en) | 2017-09-15 | 2017-09-15 | Inexpensive large aperture 4MP is without thermalization tight shot |
Publications (1)
| Publication Number | Publication Date |
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| CN207123648U true CN207123648U (en) | 2018-03-20 |
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| CN201721185955.4U Active CN207123648U (en) | 2017-09-15 | 2017-09-15 | Inexpensive large aperture 4MP is without thermalization tight shot |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519634A (en) * | 2018-04-17 | 2018-09-11 | 泰州市艾瑞克新型材料有限公司 | A kind of smart machine of the patrol monitoring of day and night |
| CN110045486A (en) * | 2019-05-14 | 2019-07-23 | 厦门力鼎光电股份有限公司 | A kind of optical imaging lens |
-
2017
- 2017-09-15 CN CN201721185955.4U patent/CN207123648U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519634A (en) * | 2018-04-17 | 2018-09-11 | 泰州市艾瑞克新型材料有限公司 | A kind of smart machine of the patrol monitoring of day and night |
| CN110045486A (en) * | 2019-05-14 | 2019-07-23 | 厦门力鼎光电股份有限公司 | A kind of optical imaging lens |
| CN110045486B (en) * | 2019-05-14 | 2024-03-29 | 厦门力鼎光电股份有限公司 | Optical imaging lens |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Pinguang Inventor after: Liu Zhenquan Inventor after: He Jianwei Inventor after: Liu Guanlu Inventor after: Mao Caiying Inventor before: He Jianwei |