CN107942482A - Omnidirectional imaging system and electronic equipment - Google Patents
Omnidirectional imaging system and electronic equipment Download PDFInfo
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- CN107942482A CN107942482A CN201711419811.5A CN201711419811A CN107942482A CN 107942482 A CN107942482 A CN 107942482A CN 201711419811 A CN201711419811 A CN 201711419811A CN 107942482 A CN107942482 A CN 107942482A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 46
- 241000251468 Actinopterygii Species 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims description 49
- 230000004907 flux Effects 0.000 claims description 12
- 239000011230 binding agent Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
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- Optics & Photonics (AREA)
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Abstract
The embodiment of the present application discloses omnidirectional imaging system and electronic equipment, the omnidirectional imaging system includes main body cartridge unit and two groups of fish eye lenses, every group of fish eye lens includes front lens group, isosceles right-angle reflecting prism and rear microscope group, preceding mirror end, the rear mirror end for microscope group after receiving and the cavity for accommodating the cemented prism formed by two isosceles right-angle reflecting prism gluings that main body cartridge unit includes being used to accommodate front lens group, cavity is provided with opening with the discontiguous side in preceding mirror end and rear mirror end, and cemented prism is placed in the cavities via opening.Omnidirectional imaging system assembling is simple, cost is low.
Description
Technical field
The invention relates to optical field, and in particular to optical imaging system technical field, more particularly to panorama into
As system and electronic equipment.
Background technology
Panoramic imagery refers to all image informations for disposably including whole diameter of Spherical Volume, specifically utilizing physical light
Spherical mirror transmissive plus reflective principle disposably by the image information of 360 ° of level and vertical 360 ° of three-dimensional space into
Picture, is then changed by software, and frame out is presented in a manner of human eye is accustomed to.
Since panoramic picture can give the space sense of viewer's 3 D stereo, the sense of reality on the spot in person, therefore, quilt are brought
It is widely used in various scenes, for example, monitoring, product introduction, video teaching, audio-visual amusement, virtual reality etc..
The omnidirectional imaging system of the prior art is usually spliced by multiple wide-angle lens, for example, by the wide-angle of more than 3
Camera lens is spliced, so that omnidirectional imaging system is complicated, assembling difficulty is big.
The content of the invention
The embodiment of the present application provides a kind of omnidirectional imaging system and electronic equipment.
In a first aspect, the embodiment of the present application provides a kind of omnidirectional imaging system, including main body cartridge unit and two groups of flakes
Camera lens；Every group of fish eye lens includes front lens group, isosceles right-angle reflecting prism and rear microscope group, and front lens group is located at isosceles right angle reflection rib
The incidence surface side of mirror, rear microscope group are located at the light extraction surface side of isosceles right-angle reflecting prism, the incidence surface of isosceles right-angle reflecting prism and
Light-emitting surface is vertical, and the reflecting surface of two isosceles right-angle reflecting prisms is mutually glued to form cemented prism, two groups of fish-eye preceding mirrors
Group is aligned on vertical optical axis and is aligned on horizon light axial symmetry, two groups of fish-eye rear microscope groups on horizontal optical axis simultaneously
It is and symmetrical on vertical optical axis；Main body cartridge unit include the preceding mirror end of two tubulars, two tubulars rear mirror end and be arranged on
Cavity between two preceding mirror ends and after two between mirror end, two preceding mirror ends are aligned in vertical optical axis, and mirror end is alignd after two
In horizontal optical axis, preceding mirror end is used to accommodate front lens group, and rear mirror end is used for microscope group after accommodating；Cavity it is equal with preceding mirror end and rear mirror end
Discontiguous side is provided with opening, and cemented prism is placed in the cavities via opening.
In certain embodiments, one of them preceding mirror end is provided with the first breasting face close to the side of cavity, one of them
Mirror end is provided with the second breasting face close to the side of cavity afterwards；First breasting face has the through hole connected with cavity, and second bears against
Face has the through hole connected with cavity；One of isosceles right-angle reflecting prism includes the first right-angle surface and the second right-angle surface, the
One right-angle surface is born against on the first breasting face, and the second right-angle surface is born against on the second breasting face；Wherein, the light of the first right-angle surface leads to
Measure the luminous flux effective diameter that effective diameter is more than the second right-angle surface；The part position that first right-angle surface is in contact with the first breasting face
Outside the luminous flux effective diameter of the first right-angle surface, the part that the second right-angle surface is in contact with the second breasting face is straight positioned at second
Outside the luminous flux effective diameter of edged surface.
In certain embodiments, another preceding mirror end is provided with the first septal surface close to the side of cavity, another rear mirror
End is provided with the second septal surface close to the side of cavity；First septal surface has the through hole connected with cavity, the second spacer mask
There is the through hole connected with cavity；Have between first septal surface and the incidence surface of another isosceles right-angle reflecting prism between first
There is the second gap between the light-emitting surface of gap, the second septal surface and the isosceles right-angle reflecting prism.
In certain embodiments, main body cartridge unit further includes at least one groove, and groove is upwardly extended in third party, glued
The edge along third direction extension of prism is located in groove, and third direction is vertical with horizontal optical axis and vertical optical axis；Glued rib
Mirror is bonded on main body cartridge unit by the binding agent being arranged in groove；Groove is arranged at least one in region below
Place：The region that first breasting face is intersected with the second breasting face；The region that first breasting face is intersected with the second septal surface；Second bears against
The region that face is intersected with the first septal surface；And first region intersected with the second septal surface of septal surface.
In certain embodiments, front lens group and/or rear microscope group are in contact with each other with cemented prism.
In certain embodiments, front lens group and/or rear microscope group are not contacted with cemented prism.
In certain embodiments, front lens group includes at least one optical element；Near the light of cemented prism in front lens group
Orthographic projection of the element to cemented prism is learned to be located within the scope of cemented prism.
In certain embodiments, the reflecting surface size of two isosceles right-angle reflecting prisms is identical.
In certain embodiments, horizontal optical axis is overlapped with the intersection point of vertical optical axis with the geometric center of cemented prism.
In certain embodiments, the distance between two gores of isosceles right-angle reflecting prism are reflected with isosceles right angle
The length of the right-angle side of the gore of prism is unequal.
Second aspect, the embodiment of the present application provide a kind of electronic equipment, including camera, and camera includes above-mentioned panorama
Imaging system.
Omnidirectional imaging system and electronic equipment provided by the embodiments of the present application, using two groups of fish eye lenses and straight by isosceles
Corner reflection prism is turned back light, reduces number of shots and every group of fish-eye structure size, and pass through integral structure
Main body cartridge unit fish eye lens is fixed and protected, assembling is simple, cost is low.
Brief description of the drawings
Non-limiting example is described in detail with reference to what the following drawings was made by reading, other features,
Objects and advantages will become more apparent upon：
Fig. 1 is the schematic diagram of the omnidirectional imaging system of the application one embodiment；
Fig. 2 is the dimensional structure diagram of the main body cartridge unit of omnidirectional imaging system shown in Fig. 1；
Fig. 3 is the cross-sectional view of main body cartridge unit shown in Fig. 2；
Fig. 4 is the overlooking the structure diagram of main body cartridge unit shown in Fig. 2；
Fig. 5 is the overlooking the structure diagram of omnidirectional imaging system shown in Fig. 1；
Fig. 6 is the structure diagram of the cemented prism of the omnidirectional imaging system of the application one embodiment；
Fig. 7 is the schematic diagram of the electronic equipment of the application one embodiment.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
It illustrate only easy to describe, in attached drawing and invent relevant part with related.
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Please refer to Fig.1 and Fig. 2, Fig. 1 show the application one embodiment omnidirectional imaging system 100 schematic structure
Figure, Fig. 2 is the dimensional structure diagram of the main body cartridge unit of omnidirectional imaging system 100 shown in Fig. 1.
As depicted in figs. 1 and 2, omnidirectional imaging system 100 include main body cartridge unit and in main body cartridge unit two
Group fish eye lens.Every group of fish-eye field angle is more than 180 °, for example, 190 °, 200 ° etc., two groups of fish-eye field angles
The sum of more than 360 °.Two groups of fish eye lenses can receive the incident ray from two symmetrical hemisphere object spaces respectively, and each
From imaging surface on form the images of the two hemisphere object spaces, and handle by image mosaic that to ultimately generate whole round empty
Between panoramic picture.
One of which fish eye lens includes front lens group 11a, the isosceles right-angle reflecting prism being arranged in order by thing side to image side
13a and rear microscope group 12a, front lens group 11a are located at the incidence surface side of isosceles right-angle reflecting prism 13a, and it is straight that rear microscope group 12a is located at isosceles
The light extraction surface side of corner reflection prism 13a, the incidence surface and light-emitting surface of isosceles right-angle reflecting prism 13a are mutually perpendicular to.
Similarly, another group of fish eye lens includes front lens group 11b, the reflection of isosceles right angle being arranged in order by thing side to image side
Prism 13b and rear microscope group 12b, front lens group 11b are located at the incidence surface side of isosceles right-angle reflecting prism 13b, rear microscope group 12b positioned at etc.
The light extraction surface side of waist right-angle reflecting prism 13b, the incidence surface and light-emitting surface of isosceles right-angle reflecting prism 13b are also mutually perpendicular to.
The reflecting surface of two isosceles right-angle reflecting prism 13a and 13b are mutually glued to form cemented prism, front lens group 11a and 11b
It is aligned on vertical optical axis and on horizon light axial symmetry, rear microscope group 12a and 12b is aligned on horizontal optical axis and on hanging down
Direct light axial symmetry.Wherein, horizontal optical axis is mutually perpendicular to vertical optical axis.
When the omnidirectional imaging system 100 of the present embodiment carries out Image Acquisition, the incident ray of front lens group 11a and 11b reception
By isosceles direct reflecting prism 13a and 13b carry out 90 degree turn back incide afterwards after in microscope group 12a and 12b so that rear microscope group
12a/12b is rolled over relative to front lens group 11a/11b to be turn 90 degrees, not only realize two groups it is fish-eye be symmetrical arranged, also one
Determine to reduce every group of fish-eye structure length in degree.
Before main body cartridge unit may include mirror end 15a, 15b after two preceding mirror end 14a, 14b and two and be arranged on two
Cavity 16 between mirror end 14a, 14b and after two between mirror end 15a, 15b.
Preceding mirror end 14a, 14b are cylindrical in shape, and are respectively used to accommodate front lens group 11a and 11b, and two preceding mirror end 14a, 14b
It is aligned in vertical optical axis.Mirror end 15a, 15b are also cylindrical in shape afterwards, are respectively used to microscope group 12a and 12b after accommodating, and mirror after two
15a, 15b are aligned in horizontal optical axis at end.
Cavity 16 is provided with opening with preceding mirror end 14a, 14b and the rear discontiguous side of mirror end 15a, 15b, two etc.
The cemented prism that waist right-angle reflecting prism 13a and 13b gluing forms is placed in the cavities via opening.
In the present embodiment, omnidirectional imaging system is more than 180 ° of two groups of fish eye lenses using field angle, reduces camera lens
Quantity, and light is carried out by isoceles triangle right-angle prism and is turned back, reduce every group of fish-eye structure size and make two
Group fish eye lens is symmetrically disposed in hollow main body cartridge unit to form integral structure, effectively to two groups of fish eye lenses
It is fixed and protects；In addition, integrated main body cartridge unit is easy to process and assembles, so as to reduce omnidirectional imaging system
Production cost.
In some optional implementations of the present embodiment, one of them preceding mirror end is provided with close to the side of cavity
One bears against face, one of them rear mirror end is provided with the second breasting face close to the side of cavity, as shown in figure 3, it illustrates Fig. 2 institutes
Show the cross-sectional view of main body cartridge unit.
In figure 3, preceding mirror end 14a is provided with the first breasting face close to the side of cavity (for example, cavity 16 in Fig. 2)
S1, rear mirror end 15a are provided with the second breasting face S2 close to the side of cavity.Wherein, the first breasting face S1 has connects with cavity
Through hole (for example, through hole CH in Fig. 2), second breasting face S2 also have connect with cavity through hole (for example, in Fig. 2 leading to
Hole CH).
Isosceles right-angle reflecting prism 13a includes the first right-angle surface and the second right-angle surface, and the first right-angle surface bears against first and holds
By on the S1 of face, second right-angle surface is born against on the second breasting face S2.Wherein, the first right-angle surface is incidence surface, with front lens group
14a is oppositely arranged, and the second right-angle surface is light-emitting surface, is oppositely arranged with rear microscope group 15a, the luminous flux effective diameter of the first right-angle surface
More than the luminous flux effective diameter of the second right-angle surface.Herein, the part position that the first right-angle surface is in contact with the first breasting face S1
Outside the luminous flux effective diameter of the first right-angle surface, the second right-angle surface is located at second with the second breasting face S2 parts being in contact
Outside the luminous flux effective diameter of right-angle surface.In this manner it is ensured that light will not bear against face S1 and second by first bears against face S2
Block and cause image quality to decline.
In some optional implementations of the present embodiment, another preceding mirror end is provided with first close to the side of cavity
Septal surface, another rear mirror end are provided with the second septal surface close to the side of cavity, as shown in figure 4, it illustrates main shown in Fig. 2
The overlooking the structure diagram of body cartridge unit.
In Fig. 4, preceding mirror end 14b is provided with the first septal surface close to the side of cavity (for example, cavity 16 in Fig. 2)
S3, rear mirror end 15b are provided with the second septal surface S4 close to the side of cavity.Wherein, the first septal surface S3 has and is connected with cavity
Through hole (not shown), the second septal surface S4 also has the through hole (not shown) that is connected with cavity.
There is the first gap, the second septal surface between the incidence surface of first septal surface S3 and isosceles right-angle reflecting prism 13b
There is the second gap between the light-emitting surface of S4 and isosceles right-angle reflecting prism 13b.That is, preceding mirror end 14a and 14b are on water
Zero diopter axis HL is asymmetric, and rear mirror end 15a and 15b is asymmetric on vertical optical axis VL.Here, the first gap and the second gap can be with
Equal or unequal, the application does not limit this.
Cemented prism is placed on the first breasting face S1 by the omnidirectional imaging system of the present embodiment when being assembled, and
Be close to the second breasting face S2, the cemented prism being bonded due to isosceles right-angle reflecting prism 13a and 13b and preceding mirror end 14b and
There is gap between the 15b of mirror end afterwards, easily cemented prism can be placed into cavity.
In some optional implementations of the present embodiment, main body cartridge unit further includes at least one groove 18, groove
18 upwardly extend in third party, the edge (edge extended along third direction, for example, four of cemented prism are straight of cemented prism
The arm of angle) in groove 18.Here, third direction is vertical with vertical optical axis VL and horizontal optical axis HL.
Groove 18 may be provided at least one place in region below：First breasting face S1 intersects with the second breasting face S2
Region that region, the first breasting face S1 intersect with the second septal surface S4, second bear against the areas intersected of face S2 and the first septal surface S3
The region that domain and the first septal surface S3 intersect with the second septal surface S4.
Binding agent is provided with groove 18, cemented prism is bonded on main body cartridge unit by binding agent.Specifically, filling
During matching somebody with somebody, cemented prism is born against into the first breasting face S1 and second first and is born against on the S2 of face, is then added in groove 18
Binding agent (for example, glue) simultaneously cures, to fix cemented prism, in this way, can not only be securely fixed cemented prism, Er Qieneng
Simplify the assembling process of cemented prism, and reduce the production cost of omnidirectional imaging system.
In some optional implementations of the present embodiment, front lens group and/or rear microscope group are in contact with each other with cemented prism.
For example, preceding mirror end 14a and 14b is in contact with each other with cemented prism, rear mirror end 15a and 15b connects each other with cemented prism
Touch.So can as far as possible reduce before mirror end 14a and 14b between object plane (that is, the thing side of two front lens groups 11a and 11b)
Distance, to reduce the region that optical system is blocked and cannot be imaged due to itself camera lens.
For example, in assembling process, first, cemented prism can be fixed in cavity (for example, cavity 16 of Fig. 2) and be made
Be close to the first breasting face S1 and second bear against face S2；Then, before front lens group 11a and 11b being respectively assembled to mirror end 14a and
In 14b and press on cemented prism, rear microscope group 12a and 12b can be respectively assembled in rear mirror end 15a and 15b and pressed to
On cemented prism.
In some optional implementations of the present embodiment, front lens group and/or rear microscope group are not contacted with cemented prism.
In some optional implementations of the present embodiment, front lens group includes at least one optical element, in front lens group
Within the scope of orthographic projection of the optical element to cemented prism of cemented prism is located at cemented prism, as shown in figure 5, its
Show the overlooking the structure diagram of omnidirectional imaging system shown in Fig. 1.
In Figure 5, front lens group 11a/11b may include at least one optical element, wherein, optical element 111 is front lens group
Near the optical element of cemented prism in 11a/11b.(that is, optical element 111 is in horizontal optical axis for the outside diameter of optical element 111
Length on direction) L2 is less than the right-angle side length of side L1 of cemented prism, and orthographic projection position of the optical element 111 to cemented prism
Within the scope of cemented prism, it thereby may be ensured that the extraneous light that front lens group 11a/11b is received will not incide glued rib
Image quality is caused to decline outside the incidence surface of mirror.
Although Fig. 5 shows that optical element 111 is arranged on the step of front lens group 11a/11b, do not contacted with cemented prism,
But this is only schematical.It is understood that optical element 111 can be in contact with each other with cemented prism, the skill of this area
Art personnel can be configured according to the needs of practical application scene.
In some optional implementations of the present embodiment, the reflecting surface of two isosceles right-angle reflecting prisms 13a and 13b
Size it is identical.It is identical and anti-by two by the way that two isosceles right-angle reflecting prism 13a and 13b are designed as reflecting surface size
Penetrate that face is glued together, in the case where ensureing the specular cross section of same size, effectively reduce omnidirectional imaging system
Size.
In some optional implementations of the present embodiment, the intersection point of horizontal optical axis HL and vertical optical axis VL and glued rib
The geometric center O of mirror is overlapped, as shown in Figure 4 and Figure 5.By the way that front lens group 11a and 11b are arranged on vertical optical axis VL, rear mirror
Group 12a and 12b is arranged on horizontal optical axis HL, and two optical axises is vertically intersected on the geometric center O of cemented prism, after being easy to
Microscope group 12a and 12b receive the light after reflection, arrange each optical element in fish eye lens compacter, so that further
Reduce the size of omnidirectional imaging system, while avoid light from producing unnecessary loss in transmitting procedure, ensure imaging effect.
In some optional implementations of the present embodiment, between two gores of isosceles right-angle reflecting prism
Distance and the length of the right-angle side of the gore of isosceles right-angle reflecting prism are unequal, as shown in fig. 6, it illustrates the application
The structure diagram of the cemented prism of the omnidirectional imaging system of one embodiment.
In figure 6, two of isosceles right-angle reflecting prism (for example, isosceles right-angle reflecting prism 13a/13b in Fig. 1) put down
The distance between capable gore PT is different from the right angle edge lengths PW length of the gore of isosceles right-angle reflecting prism.
In actual application scenarios, those skilled in the art can be incided according to light the luminous flux effective diameter of cemented prism with
And the structure and size of omnidirectional imaging system are needed to be set to the distance between right angle edge lengths PW and two gores PT
Meter.
The omnidirectional imaging system of the present embodiment has integrated main body barrel structure, is easily assembled and cost is relatively low.
The embodiment of the present application additionally provides a kind of electronic equipment 700, as shown in Figure 7.Wherein, electronic equipment 700 may include
Camera 701, camera 701 include the omnidirectional imaging system of above-described embodiment description.It will be understood by those of skill in the art that
Electronic equipment 700 can also include some other known structures in addition to including omnidirectional imaging system as above.In order to
The emphasis of not fuzzy the application, no longer will be described further these known structures.
The electronic equipment of the application can be any equipment for including omnidirectional imaging system as above, including but not limited to such as
Smart mobile phone 700, automobile data recorder, panorama camera shown in Fig. 7 etc..As long as electronic equipment contains disclosed in the present application complete
The structure of scape imaging system, has just been contemplated as falling within the protection domain of the application.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms
Scheme, while should also cover in the case where not departing from foregoing invention design, carried out by above-mentioned technical characteristic or its equivalent feature
The other technical solutions for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical solution that the technical characteristic of energy is replaced mutually and formed.
Claims (11)
1. a kind of omnidirectional imaging system, it is characterised in that including main body cartridge unit and two groups of fish eye lenses；
Fish eye lens described in every group includes front lens group, isosceles right-angle reflecting prism and rear microscope group, and the front lens group is positioned at described etc.
The incidence surface side of waist right-angle reflecting prism, it is described after microscope group be located at the light extraction surface side of the isosceles right-angle reflecting prism, it is described etc.
The incidence surface and light-emitting surface of waist right-angle reflecting prism are vertical, and the reflecting surface of two isosceles right-angle reflecting prisms is mutually glued to be formed
Cemented prism, two groups of fish-eye front lens groups are aligned on vertical optical axis and on horizon light axial symmetry, and described two
Microscope group is aligned on the horizontal optical axis and symmetrical on the vertical optical axis after group is fish-eye；
The main body cartridge unit include the preceding mirror end of two tubulars, two tubulars rear mirror end and be arranged on two preceding mirrors
Cavity between end between two rear mirror ends, two preceding mirror ends are aligned in vertical optical axis, two rear mirror ends
Horizontal optical axis is aligned in, the preceding mirror end is used to accommodate the front lens group, and the rear mirror end is used to accommodate the rear microscope group；
The cavity is provided with opening, the cemented prism warp with the preceding mirror end and the rear discontiguous side in mirror end
It is placed on by the opening in the cavity.
2. omnidirectional imaging system according to claim 1, it is characterised in that one of them described preceding mirror end is close to the sky
The side of chamber is provided with the first breasting face, and mirror end is provided with the second breasting close to the side of the cavity after one of them is described
Face；
The first breasting face has the through hole connected with the cavity, and the second breasting face has what is connected with the cavity
Through hole；
One of them described isosceles right-angle reflecting prism includes the first right-angle surface and the second right-angle surface, and first right-angle surface is born against
On the first breasting face, second right-angle surface is born against on the second breasting face；
Wherein, the luminous flux effective diameter of first right-angle surface is more than the luminous flux effective diameter of second right-angle surface；
The luminous flux that the part that first right-angle surface is in contact with the first breasting face is located at first right-angle surface is effective
Outside diameter, the part that second right-angle surface is in contact with the second breasting face is located at the luminous flux of second right-angle surface
Outside effective diameter.
3. omnidirectional imaging system according to claim 2, it is characterised in that another described preceding mirror end is close to the cavity
Side be provided with the first septal surface, another it is described after mirror end the side of the cavity is provided with the second septal surface；
First septal surface has the through hole connected with the cavity, and second septal surface has what is connected with the cavity
Through hole；
There is the first gap between first septal surface and the incidence surface of another isosceles right-angle reflecting prism, described
There is the second gap between two septal surfaces and the light-emitting surface of the isosceles right-angle reflecting prism.
4. omnidirectional imaging system according to claim 3, it is characterised in that the main body cartridge unit further includes at least one
Groove, the groove are upwardly extended in third party, and the edge along third direction extension of the cemented prism is positioned at described
In groove, the third direction is vertical with the horizontal optical axis and the vertical optical axis；
The cemented prism is bonded on the main body cartridge unit by the binding agent being arranged in the groove；
The groove is arranged at least one place in region below：
The region that the first breasting face is intersected with the second breasting face；
The region that the first breasting face is intersected with second septal surface；
The region that the second breasting face is intersected with first septal surface；And
The region that first septal surface intersects with second septal surface.
5. according to the omnidirectional imaging system described in one of claim 1-4, it is characterised in that the front lens group and/or it is described after
Microscope group is in contact with each other with the cemented prism.
6. according to the omnidirectional imaging system described in one of claim 1-4, it is characterised in that the front lens group and/or it is described after
Microscope group is not contacted with the cemented prism.
7. according to the omnidirectional imaging system described in one of claim 1-4, it is characterised in that the front lens group includes at least one
Optical element；
Orthographic projection of the optical element to the cemented prism in the front lens group near the cemented prism is located at the glue
Within the scope of conjunction prism.
8. according to the omnidirectional imaging system described in one of claim 1-4, it is characterised in that two isosceles right angle reflection ribs
The reflecting surface size of mirror is identical.
9. omnidirectional imaging system according to claim 8, it is characterised in that the horizontal optical axis and the vertical optical axis
Intersection point is overlapped with the geometric center of the cemented prism.
10. omnidirectional imaging system according to claim 9, it is characterised in that two of the isosceles right-angle reflecting prism
The distance between gore and the length of the right-angle side of the gore of the isosceles right-angle reflecting prism are unequal.
11. a kind of electronic equipment, it is characterised in that the electronic equipment includes camera, and the camera includes right such as will
Seek 1-10 any one of them omnidirectional imaging systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419811.5A CN107942482A (en) | 2017-12-25 | 2017-12-25 | Omnidirectional imaging system and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419811.5A CN107942482A (en) | 2017-12-25 | 2017-12-25 | Omnidirectional imaging system and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107942482A true CN107942482A (en) | 2018-04-20 |
Family
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| CN201711419811.5A Pending CN107942482A (en) | 2017-12-25 | 2017-12-25 | Omnidirectional imaging system and electronic equipment |
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