CN205545523U - Big target surface low light level whole day ball camera system - Google Patents
Big target surface low light level whole day ball camera system Download PDFInfo
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- CN205545523U CN205545523U CN201620054898.5U CN201620054898U CN205545523U CN 205545523 U CN205545523 U CN 205545523U CN 201620054898 U CN201620054898 U CN 201620054898U CN 205545523 U CN205545523 U CN 205545523U
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Abstract
The utility model relates to a big target surface low light level whole day ball camera system, including sensing chip, rectangular prism and two wide -angle lens, rectangular prism is last to be equipped with two plane of reflections, and plane of reflection that two wide -angle lens symmetries are divided the incident optical axis of locating rectangular prism both sides and every wide -angle lens and are corresponded the side becomes 45 degrees contained angle, and sensing chip and two plane of reflections all are 45 degrees contained angle, and wide -angle lens's the angle of vision is more than 220 degrees just that F - theta distorts, effective real cut -off distance of 15%, wide -angle lens is greater than 5.6mm. This system utilizes two wide -angle lens s of the angle of vision more than 220 degrees to assemble light, then forms images on same sensing chip after rolling over partially through rectangular prism, and a big target surface low light level whole day ball camera system is formed to sensing chip of two wide -angle lens sharings, has increased the effective aperture of system, has reduced the edge distortion of system, has improved the holistic resolution ratio of system greatly, and messenger system effect reaches all -round 720 visual effect.
Description
Technical field
This utility model relates to a kind of big target surface low-light (level) whole day ball camera system, it is adaptable to DV, moves, wave
Platform shooting and hotel etc..
Background technology
Along with the development of Chinese society economy, living standards of the people promote day by day, and people are to quality of the life
Require more and more higher.People to participate in travel, perform, motion etc. is increasingly made earnest efforts.Once beautiful in order to remember
Good memory, people use the tool records such as camera, DV to descend to make the moment of oneself excitement.But current city
On face, existing camera and the DV overwhelming majority can only record the picture of front certain angle, can not record at that time
Whole scenes of fine picture, also or owing to the most existing panorama camera price is the highest, and shoot figure
Picture element amount is barely satisfactory.And it is sorry to make fine memory stay.In order to allow people leave perfect returning
Recall, develop big target surface low-light (level) whole day ball camera system.
The full filed angle manufactured by full shot be similar at present reaches three-dimensional 720 °
System, the technology of use be full shot coordinate a sensing chip make one unidirectional 360 ° complete
Scape system, then with two unidirectional panorama systems, form the panorama system of a twocouese 720 °, this
Method uses two sensing chips.Or the sensing of corresponding more than three with the camera lens system of more than three
Chipset becomes panorama system, then splices multi-picture.System arranges loaded down with trivial details, cost intensive.No
It is suitable for promoting.
Utility model content
The purpose of this utility model is to overcome disadvantage mentioned above, it is provided that a kind of big target surface low-light (level) whole day ball shooting
System, this system utilizes the wide-angle lens of two angles of visual field more than 220 degree to converge light, then passes through right angle
After prism deviation on imaging extremely same sensing chip, two wide-angle lens share a sensing chip composition one
Plant big target surface low-light (level) whole day ball camera system, increase the effective aperture of system, reduce the edge of system
Distortion, substantially increases the resolution that system is overall, makes the visual effect that system effect reaches comprehensive 720 °.
This utility model is achieved in that a kind of big target surface low-light (level) whole day ball camera system, and its feature exists
In: including sensing chip, corner cube prism and two wide-angle lens, described corner cube prism is provided with two phases
The most vertical reflecting surface, said two wide-angle lens symmetry is divided into corner cube prism both sides and each wide-angle lens
Incident light axis become the angle of 45 degree with the reflecting surface of respective side, described sensing chip is anti-for receiving through two
Penetrate the incident ray after the deviation of face and with two reflectings surface all in the angle of 45 degree, the visual field of described wide-angle lens
Angle is more than 220 degree and distortion F-θ < 15%, and effective rear cut-off distance of described wide-angle lens is more than 5.6mm.
Described wide-angle lens includes that body tube and the light being set in turn in body tube along light direction are burnt
Degree is positive rear mirror group for negative front lens group, fixed diaphram, focal power, and the focal range of described front lens group exists
Between-40~-70mm, the focal range of described rear mirror group is between 4~20mm.
Described front lens group by the first lens, the second lens, the 3rd lens and the 4th lens along light direction
Being arranged in order composition, wherein the first lens and the second lens are positive selenodont lens, and the 3rd lens are that plano-concave is saturating
Mirror, the 4th lens are biconvex lens;Described rear mirror group by the 5th lens, the 6th lens and the 7th lens along light
Line incident direction is arranged in order composition, wherein the 5th lens double concave type lens, and the 6th lens are lenticular lens,
7th lens are lenticular lens, described 5th lens and glued group of the 6th lens composition contiguity.
Each lens of described front lens group need to meet following optical condition:
1.8 < n1 < 1.95,33 < v1 < 36.5;
1.7 < n2 < 1.85,40 < v2 < 47;
1.58 < n3 < 1.7,50 < v3 < 62;
1.82 < n4 < 1.95,18 < v4 < 25;
Wherein n1-n4 is followed successively by the refractive index of first lens the-the four lens, v1-v4 be followed successively by the first lens-
The Abbe number of the 5th lens;
Each lens of described rear mirror group need to meet following optical condition:
1.88 < n5 < 1.92,18.5 < v5 < 22;
1.6 < n6 < 1.75,50 < v6 < 57;
1.8 < n7 < 1.9,40 < v7 < 48;
Wherein n5-n7 is followed successively by the refractive index of the 5th lens the-the seven lens, v5-v7 be followed successively by the 5th lens-
The Abbe number of the 7th lens.
The air gap between described first lens and the second lens is 3 ± 0.3mm, described second lens and
The air gap between three lens is 7.9 ± 0.3mm, between the air between described 3rd lens and the 4th lens
Gap is 0.2 ± 0.1mm, and the air gap between described fixed diaphram and rear mirror group is 1.6 ± 0.3mm, described
The air gap between 6th lens and the 7th lens is 0.14 ± 0.1mm.
Described wide-angle lens also include front trim ring, first machinery spacer ring, second machinery spacer ring, the 3rd machinery every
Circle and the 4th machinery spacer ring, described first lens are fixedly installed in the front end nozzle of body tube, described front pressure
Circle is fixedly installed in outside the front end nozzle of body tube and the front position of the first lens is risen position-limiting action;Described
Second lens, the 3rd lens, the 4th lens, the 5th lens, described 6th lens and the 7th lens are along light
Incident direction is fixedly installed in body tube body successively;Described first machinery spacer ring is fixedly installed in body tube
Front cylinder inwall and between the second lens and the 3rd lens with limit both airspace;Described
Two machinery spacer rings are fixedly installed in the back cylinder inwall of body tube and with limit between the 4th lens and light hurdle
Determine both airspaces;Described 3rd machinery spacer ring is fixedly installed in back cylinder inwall the position of body tube
With the airspace of both restrictions between light hurdle and the 5th lens;Described 4th machinery spacer ring is fixedly installed in
The back cylinder inwall of body tube and between the 6th lens and the 7th lens with the air both limiting between
Every.
Described first machinery spacer ring inwall is provided with delustring screw thread.
It is coated with high-reflecting film on each reflecting surface and the luminous reflectance to wave band 400~650nm is more than 95%.
For prior art, this utility model has the advantage that
(1) the big target surface low-light (level) whole day ball camera system that this utility model provides, utilizes two angles of visual field 220
More than Du wide-angle lens converges light, then by imaging after corner cube prism deviation to same sensing chip
On, increase the effective aperture of system, reduce the marginal distortion of system, substantially increase system entirety
Resolution, makes the visual effect that system effect reaches comprehensive 720 °;
(2) the big target surface low-light (level) whole day ball camera system that this utility model provides, the first lens use material
Refractive index n1 scope 1.8 to 1.95, the heavy-lanthanide flint glass of Abbe number V1 scope 33-36.5, by height
Refractive index, the heavy-lanthanide flint glass of low dispersion, increase the ability of system aggregates light, increase system
Clearance aperture, and effectively reduce the volume of first eyeglass, thus effectively reduce the volume of whole system;
(3) the big target surface low-light (level) whole day ball camera system that this utility model provides, the second lens use material
Refractive index n2 scope 1.7 to 1.85, the heavy-lanthanide flint glass of Abbe number scope 40-47, converge further by
By the light of the first lens, and the aberration such as the astigmatism that produces of active balance first eyeglass;
(4) the big target surface low-light (level) whole day ball camera system that this utility model provides, the 4th lens use material
Scope 1.82 to 1.95 in refractive index, the heavy-lanthanide flint glass of Abbe number v4 scope 18-25, eyeglass is set
Biconvex shape, the high index of refraction active balance coma of system, promote systemic resolution;
(5) the big target surface low-light (level) whole day ball camera system that this utility model provides, the 5th lens use material
Refractive index n5 scope be 1.88 to 1.92, Abbe number V5 scope 18.5 to 22, eyeglass double concave is set
Shape so that curved surface bends towards face, light hurdle, effectively reduces the curvature of field and the distortion of system;
(6) the big target surface low-light (level) whole day ball camera system that this utility model provides, the 6th lens use material
Refractive index n6 scope 1.6 to 1.75, the lanthanum flint glass of Abbe number scope 50 to 57, C-1 and C-2
The aberration of the glued group active balance system of contiguity and astigmatism;
(7) the big target surface low-light (level) whole day ball camera system that this utility model provides, the 7th lens use material
Refractive index n7 scope be 1.8 to 1.9, Abbe number V7 scope 40 to 48, eyeglass biconvex shape is set,
Purpose is effectively to reduce system chief ray incident angle, and promotes the effectively usable back focal length of system, reduces system
System distortion;
(8) the big target surface low-light (level) whole day ball camera system that this utility model provides, the first machinery spacer ring inwall
It is provided with delustring screw thread, effectively reduces the impact of system veiling glare.
Accompanying drawing explanation
The utility model is described in further detail the most in conjunction with the embodiments:
Fig. 1 is the index path of this utility model big target surface low-light (level) whole day ball camera system;
Fig. 2 is the structure chart of this utility model big target surface low-light (level) whole day ball camera system;
Fig. 3 is the structure chart of wide-angle lens in Fig. 2.
Symbol description in figure: 1, sensing chip, 2, corner cube prism, 21, reflecting surface, 3, wide-angle lens,
31, body tube, the 32, first lens, the 33, second lens, the 34, the 3rd lens, the 35, the 4th lens,
36, the 5th lens, the 37, the 6th lens, the 38, the 7th lens, 39, front trim ring, the 310, first machinery every
Circle, the 311, second machinery spacer ring, the 312, the 3rd machinery spacer ring, the 313, the 4th machinery spacer ring, A, front mirror
Group, B, fixed diaphram, C, rear mirror group.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, this utility model content is described in detail:
As Figure 1-3, a kind of big target surface low-light (level) whole day ball camera system provided for this utility model,
Including sensing chip 1, corner cube prism 2 and two wide-angle lens 3, described corner cube prism 2 is provided with two
Orthogonal reflecting surface 21, said two wide-angle lens 3 symmetry is divided into corner cube prism 2 both sides and each
The incident light axis of wide-angle lens 3 becomes the angle of 45 degree, described sensing chip 1 with the reflecting surface 21 of respective side
For receiving the incident ray after two reflecting surface 21 deviations and with two reflectings surface 21 all in the folder of 45 degree
Angle, the angle of visual field of described wide-angle lens 3 is more than 220 degree and distortion F-θ < 15%, described wide-angle lens
Effectively rear cut-off distance is more than 5.6mm.The angular accuracy processing needs of corner cube prism 2 control 3 " within, to ensure
The optical axis positioning precision of two wide-angle lens 3.
As shown in Figure 1, Figure 3, described wide-angle lens 3 includes body tube 31 and depends on along light direction
The secondary focal power that is arranged in body tube 31 be negative front lens group A, fixed diaphram B, focal power be positive after
Mirror group C, the focal range of described front lens group A between-40~-70mm, the focal length model of described rear mirror group C
It is trapped among between 4~20mm.
As shown in Figure 1, Figure 3, described front lens group A is by first lens the 32, second lens the 33, the 3rd lens
34 and the 4th lens 35 be arranged in order composition along light direction, wherein the first lens 32 and the second lens
33 is positive selenodont lens, and the 3rd lens 34 are planoconcave lens, and the 4th lens 35 are biconvex lens;Described
Rear mirror group C is arranged in order along light direction by the 5th lens the 36, the 6th lens 37 and the 7th lens 38
Composition, wherein the 5th lens 36 double concave type lens, the 6th lens 37 are lenticular lens, the 7th lens 38
For lenticular lens, described 5th lens 36 and glued group of the 6th lens 37 composition contiguity.
Each lens of described front lens group A need to meet following optical condition:
1.8 < n1 < 1.95,33 < v1 < 36.5;
1.7 < n2 < 1.85,40 < v2 < 47;
1.58 < n3 < 1.7,50 < v3 < 62;
1.82 < n4 < 1.95,18 < v4 < 25;
Wherein n1-n4 is followed successively by the refractive index of the first lens 32-the 4th lens 35, and v1-v4 is followed successively by
The Abbe number of one lens 32-the 5th lens 35;
Each lens of described rear mirror group C need to meet following optical condition:
1.88 < n5 < 1.92,18.5 < v5 < 22;
1.6 < n6 < 1.75,50 < v6 < 57;
1.8 < n7 < 1.9,40 < v7 < 48;
Wherein n5-n7 is followed successively by the refractive index of the 5th lens 36-the 7th lens 38, and v5-v7 is followed successively by
The Abbe number of five lens 36-the 7th lens 38.
The air gap between described first lens 32 and the second lens 33 is 3 ± 0.3mm, described second saturating
The air gap between mirror 33 and the 3rd lens 34 is 7.9 ± 0.3mm, and described 3rd lens 34 and the 4th are saturating
The air gap between mirror 35 is 0.2 ± 0.1mm, between the air between described fixed diaphram B and rear mirror group C
Gap is 1.6 ± 0.3mm, the air gap between described 6th lens 37 and the 7th lens 38 is 0.14 ±
0.1mm。
As it is shown on figure 3, described wide-angle lens 3 also includes front trim ring the 39, first machinery spacer ring 310, second
Machinery spacer ring the 311, the 3rd machinery spacer ring 312 and the 4th machinery spacer ring 313, described first lens 32 are fixed
Being installed in the front end nozzle of body tube 31, described front trim ring 39 is fixedly installed in the front end cylinder of body tube 31
Outside mouthful and the front position of the first lens 32 is played position-limiting action;Described second lens the 33, the 3rd lens 34,
4th lens the 35, the 5th lens 36, described 6th lens 37 and the 7th lens 38 depend on along light direction
Secondary it is fixedly installed in body tube 31 body;Described first machinery spacer ring 310 is fixedly installed in body tube 31
Front cylinder inwall and between the second lens 33 and the 3rd lens 34 with limit both airspace;
Described second machinery spacer ring 311 is fixedly installed in the back cylinder inwall of body tube 31 and is positioned at the 4th lens 35
And with the airspace of both restrictions between light hurdle B;Described 3rd machinery spacer ring 312 is fixedly installed in primary mirror
Cylinder 31 back cylinder inwall and between light hurdle B and the 5th lens 36 with limit both airspace;
Described 4th machinery spacer ring 313 is fixedly installed in the back cylinder inwall of body tube 31 and is positioned at the 6th lens 37
And the 7th between lens 38 with the airspace both limiting.Body tube 31 is designed with a cutter molding, has
Effect reduces the mismachining tolerance that parts cause in machining because of lathe tool changing, promotes the assembling yield of system.
Described first machinery spacer ring 310 inwall is provided with delustring screw thread.
Be coated with high-reflecting film on each reflecting surface 21 and the luminous reflectance to wave band 400~650nm be 95% with
On.
The big target surface low-light (level) whole day ball camera system that this utility model provides, utilizes two angles of visual field 220 degree
Above wide-angle lens converges light, then by imaging after corner cube prism deviation to same sensing chip,
Two wide-angle lens share an a kind of big target surface low-light (level) whole day ball camera system of sensing chip composition, increase
The effective aperture of system, reduces the marginal distortion of system, substantially increases the resolution that system is overall,
Make the visual effect that system effect reaches comprehensive 720 °.
The technical solution of the utility model is simply explained in detail by above-mentioned detailed description of the invention, and this practicality is new
Type is not only limited only to above-described embodiment, every any improvement according to this utility model principle or replacement,
All should be within protection domain of the present utility model.
Claims (8)
1. a big target surface low-light (level) whole day ball camera system, it is characterised in that: include sensing chip (1),
Corner cube prism (2) and two wide-angle lens (3), described corner cube prism (2) is provided with two and mutually hangs down
Straight reflecting surface (21), said two wide-angle lens (3) symmetry is divided into corner cube prism (2) both sides and every
The incident light axis of individual wide-angle lens (3) becomes the angle of 45 degree, described biography with the reflecting surface (21) of respective side
Sense chip (1) for receive incident ray after two reflecting surface (21) deviations and with two reflectings surface (21)
All in the angle of 45 degree, the angle of visual field of described wide-angle lens (3) be more than 220 degree and F-θ distortion < 15%,
Effective rear cut-off distance of described wide-angle lens is more than 5.6mm.
Big target surface low-light (level) whole day ball camera system the most according to claim 1, it is characterised in that: institute
State wide-angle lens (3) include body tube (31) and be set in turn in body tube (31) along light direction
In focal power be negative front lens group (A), fixed diaphram (B), focal power be positive rear mirror group (C), institute
Stating the focal range of front lens group (A) between-40~-70mm, the focal range of described rear mirror group (C) exists
Between 4~20mm.
Big target surface low-light (level) whole day ball camera system the most according to claim 2, it is characterised in that: institute
State front lens group (A) by the first lens (32), the second lens (33), the 3rd lens (34) and the 4th lens
(35) it is arranged in order composition along light direction, wherein the first lens (32) and the second lens (33)
For positive selenodont lens, the 3rd lens (34) are planoconcave lens, and the 4th lens (35) are biconvex lens;
Described rear mirror group (C) by the 5th lens (36), the 6th lens (37) and the 7th lens (38) along light
Incident direction is arranged in order composition, wherein the 5th lens (36) double concave type lens, and the 6th lens (37) are
Lenticular lens, the 7th lens (38) are lenticular lens, described 5th lens (36) and the 6th lens
(37) glued group of composition contiguity.
Big target surface low-light (level) whole day ball camera system the most according to claim 3, it is characterised in that: institute
State each lens of front lens group (A) and need to meet following optical condition:
1.8 < n1 < 1.95,33 < v1 < 36.5;
1.7 < n2 < 1.85,40 < v2 < 47;
1.58 < n3 < 1.7,50 < v3 < 62;
1.82 < n4 < 1.95,18 < v4 < 25;
Wherein n1-n4 is followed successively by the refractive index of the first lens (32)-the four lens (35), and v1-v4 depends on
Secondary is the Abbe number of the first lens (32)-the five lens (35);
Each lens of described rear mirror group (C) need to meet following optical condition:
1.88 < n5 < 1.92,18.5 < v5 < 22;
1.6 < n6 < 1.75,50 < v6 < 57;
1.8 < n7 < 1.9,40 < v7 < 48;
Wherein n5-n7 is followed successively by the refractive index of the 5th lens (36)-the seven lens (38), and v5-v7 depends on
Secondary is the Abbe number of the 5th lens (36)-the seven lens (38).
Big target surface low-light (level) whole day ball camera system the most according to claim 3, it is characterised in that: institute
Stating the air gap between the first lens (32) and the second lens (33) is 3 ± 0.3mm, described second saturating
The air gap between mirror (33) and the 3rd lens (34) is 7.9 ± 0.3mm, described 3rd lens (34)
With the air gap that the 4th between lens (35) is 0.2 ± 0.1mm, described fixed diaphram (B) and rear mirror group
(C) the air gap between is 1.6 ± 0.3mm, described 6th lens (37) and the 7th lens (38) it
Between the air gap be 0.14 ± 0.1mm.
Big target surface low-light (level) whole day ball camera system the most according to claim 3, it is characterised in that: institute
State wide-angle lens (3) also include front trim ring (39), first machinery spacer ring (310), second machinery spacer ring (311),
3rd machinery spacer ring (312) and the 4th machinery spacer ring (313), described first lens (32) are fixedly installed in
In the front end nozzle of body tube (31), before described front trim ring (39) is fixedly installed in body tube (31)
End nozzle is outer and the front position of the first lens (32) is risen position-limiting action;Described second lens (33),
Three lens (34), the 4th lens (35), the 5th lens (36), described 6th lens (37) and the 7th are saturating
It is internal that mirror (38) is fixedly installed in body tube (31) successively along light direction;Described first machinery every
Circle (310) is fixedly installed in the front cylinder inwall of body tube (31) and is positioned at the second lens (33) and the
With the airspace of both restrictions between three lens (34);Described second machinery spacer ring (311) fixed installation
In the back cylinder inwall of body tube (31) and be positioned between the 4th lens (35) He Guanglan (B) to limit
Both airspaces;Described 3rd machinery spacer ring (312) is fixedly installed in the rear barrel of body tube (31)
Internal wall is also positioned between light hurdle (B) and the 5th lens (36) with the airspace of both restrictions;Described
Four machineries spacer ring (313) are fixedly installed in the back cylinder inwall of body tube (31) and are positioned at the 6th lens (37)
And the 7th between lens (38) with the airspace both limiting.
Big target surface low-light (level) whole day ball camera system the most according to claim 6, it is characterised in that: institute
State the first machinery spacer ring (310) inwall and be provided with delustring screw thread.
8., according to the big target surface low-light (level) whole day ball camera system according to any one of claim 1-7, it is special
Levy and be: be coated with high-reflecting film on each reflecting surface (21) and to the luminous reflectance of wave band 400~650nm be
More than 95%.
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CN201620054898.5U CN205545523U (en) | 2016-01-20 | 2016-01-20 | Big target surface low light level whole day ball camera system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106572288A (en) * | 2016-10-19 | 2017-04-19 | 广东容祺智能科技有限公司 | Unmanned aerial vehicle image transmission integrated camera |
CN107238913A (en) * | 2017-07-18 | 2017-10-10 | 信利光电股份有限公司 | A kind of full shot and panoramic shooting module |
WO2019015625A1 (en) * | 2017-07-19 | 2019-01-24 | Lo Tim Fu | Apparatus for assisting mobile terminal in capturing multi-directional image and application method thereof |
CN105530415B (en) * | 2016-01-20 | 2019-01-29 | 福建福特科光电股份有限公司 | Big target surface low-light (level) whole day ball camera system |
CN113687510A (en) * | 2021-07-19 | 2021-11-23 | 沈阳理工大学 | Light path folding reflection type large-view-field compound eye imaging optical system and method thereof |
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2016
- 2016-01-20 CN CN201620054898.5U patent/CN205545523U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105530415B (en) * | 2016-01-20 | 2019-01-29 | 福建福特科光电股份有限公司 | Big target surface low-light (level) whole day ball camera system |
CN106572288A (en) * | 2016-10-19 | 2017-04-19 | 广东容祺智能科技有限公司 | Unmanned aerial vehicle image transmission integrated camera |
CN107238913A (en) * | 2017-07-18 | 2017-10-10 | 信利光电股份有限公司 | A kind of full shot and panoramic shooting module |
WO2019015625A1 (en) * | 2017-07-19 | 2019-01-24 | Lo Tim Fu | Apparatus for assisting mobile terminal in capturing multi-directional image and application method thereof |
CN113687510A (en) * | 2021-07-19 | 2021-11-23 | 沈阳理工大学 | Light path folding reflection type large-view-field compound eye imaging optical system and method thereof |
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