CN207504991U - Prism system - Google Patents
Prism system Download PDFInfo
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- CN207504991U CN207504991U CN201721682850.XU CN201721682850U CN207504991U CN 207504991 U CN207504991 U CN 207504991U CN 201721682850 U CN201721682850 U CN 201721682850U CN 207504991 U CN207504991 U CN 207504991U
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- prism
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- accommodating chamber
- light splitting
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- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000178 monomer Substances 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 238000003384 imaging method Methods 0.000 description 11
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model is related to a kind of prism system, including prism, the prism has a prism and light splitting body, and the light splitting body allows incident visible light to be transmitted through and by infrared reflection；The outgoing smooth surface of the prism is equipped with the accommodating chamber to prism inner recess, and optical mirror slip is equipped in the accommodating chamber.By setting accommodating chamber on prism, and optical mirror slip in accommodating chamber is installed, so as to which the inner space of prism rationally be utilized, reduces the volume of the prism system of the utility model.Therefore, it is efficiently reduced using the volume of the camera module of the prism system of the utility model.
Description
Technical field
The utility model is related to optical imaging field more particularly to a kind of prism systems.
Background technology
With the fast development of auto industry and the made rapid progress of body electronic technology, vehicle-mounted pick-up module is increasingly wider
It has been applied to generally on various automobiles.But existing vehicle-mounted pick-up module is difficult to play its work in the case where visible ray is weaker
With, for example, in the case that at night, visible ray is weaker, existing vehicle-mounted pick-up module leads to fuzzy pictures formed by imaging system,
Clarity is inadequate, and driver is difficult that the things on periphery is done real-time and accurately to judge so that does not have enough peaces in driving procedure
All risk insurance hinders.Meanwhile existing vehicle-mounted pick-up module image quality in the environment of visible ray becomes apparent easily is affected.Especially
It is in the transition of daytime to night, since visible ray gradually dies down, existing vehicle-mounted pick-up module can not be according to visible ray
Variation carries out photosensitive conversion, and therefore, the image quality of vehicle-mounted pick-up module can become worse and worse with the change of environment.
In recent years, also occur using the vehicle-mounted pick-up mould under the weak environmental condition of visible ray in vehicle-mounted pick-up module
Group realizes the separation of visible ray and infrared light in this vehicle-mounted pick-up module, so as to fulfill the not same feeling by using prism system
The imaging of optical chip realizes imaging under the weak environmental condition of visible ray according to fusion is carried out to the formed image do not shared the same light.
But due to using prism system volume big, make entire its volume of vehicle-mounted pick-up module big, it is difficult to popular universal.
Utility model content
The purpose of this utility model is to provide a kind of prism systems, solve the problems, such as that prism system is bulky.
To realize above-mentioned purpose of utility model, the utility model provides prism system, and including prism, the prism has rib
Mirror body and light splitting body, the light splitting body allow incident visible light to be transmitted through and by infrared reflection；The outgoing of the prism
Smooth surface is equipped with the accommodating chamber to prism inner recess, and optical mirror slip is equipped in the accommodating chamber.
One side according to the present utility model, the prism are monomer right-angle prismatic column, and triangular prism inclined-plane is light
The line plane of incidence, the face vertical with incident ray be visible light-emitting face, the accommodating chamber perpendicular to the visible light-emitting face to
It is extended vertically in the prism, and accommodating chamber bottom setting alternate with the light splitting body.
One side according to the present utility model, the prism is made of the first prism and the second prism, described
First prism and second prism are respectively square triangular prism, the inclined-plane of first prism and the second prism
It is mutually oppositely arranged, for the light splitting body between first prism and the inclined-plane of the second prism, the light splitting body is anti-
It penetrates infrared light and allows visible transmission, the face vertical with the visible ray from light splitting body is visible ray on second prism
Exit facet, the accommodating chamber extend vertically, and the receiving perpendicular to the visible light-emitting face into second prism
The setting alternate with the light splitting body of bottom of chamber portion.
One side according to the present utility model, the accommodating chamber be hollow stepped cylindrical body, the diameter of each cylinder
It is reduced successively inside from the visible light-emitting face towards prism, the center line of the cylinder passes through the prism light
The geometrically symmetric center of the plane of incidence or the accommodating chamber are hollow cylinder, and the center line of the hollow cylinder is described in
The geometrically symmetric center of prism plane of light incidence.
One side according to the present utility model, the optical mirror slip are made of 5 aspherical lens, are realized within 3mm
Short operating distance, back focal length is imaged within 3mm.
One side according to the present utility model, the prism are equipped with anti-reflection film.
One side according to the present utility model, the light splitting body are light splitting plated film, and the light splitting plated film allows visible ray
By and reflect infrared light, the wave-length coverage of the visible ray is 410~650nm, the wave-length coverage of the infrared light for 850 ±
20nm。
One side according to the present utility model, the plated film are made of optical interference film group.
A scheme according to the present utility model, by setting accommodating chamber on prism, and installs optics in accommodating chamber
Eyeglass so as to which the inner space of prism rationally be utilized, reduces the volume of the prism system of the utility model.Therefore, it uses
The volume of the camera module of the prism system of the utility model is efficiently reduced.Meanwhile the prism system for passing through the utility model
The distance between prism and sensitive chip can effectively be changed, so as to be conducive to adjustment using the prism system of the utility model
The imaging size of camera module.
A scheme according to the present utility model, prism are carried out at light splitting the light Jing Guo camera lens incidence by being divided body
Reason so as to which visible ray and infrared light be made to pass through different direction transmission, ensure that the prism system of the utility model in visible ray
With it is mutual indepedent in infrared optical transmission process, avoid interfering with each other for visible ray and infrared light, ensure that the clear of imaging.
Light splitting body is made of optical interference film group.By above-mentioned setting, the loss by being divided body glazed thread is reduced, ensure that this
The imaging clearly of utility model.By above-mentioned setting, it ensure that wave-length coverage can be penetrated for the visible ray of 410~650nm and divide
Body of light, and the transmitance of visible ray reaches more than 90%, and the prism system output for further ensuring the utility model is enough
Visible ray, be conducive to improve sensitive chip image quality.Meanwhile by above-mentioned setting, ensure that wave-length coverage for 850 ±
The infrared light of 20nm can be split body reflection, and the reflectivity of infrared light reaches more than 90%, further ensures this reality
Enough infrared lights are exported with novel prism system, are conducive to improve the image quality of sensitive chip.
Description of the drawings
Fig. 1 schematically shows a kind of structure chart of the prism system of embodiment according to the present utility model；
Fig. 2 schematically shows the structure chart of the prism system of another embodiment according to the present utility model.
Specific embodiment
It, below will be to implementing in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Attached drawing is briefly described needed in mode.It should be evident that the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skills, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
When the embodiment for the utility model is described, term " longitudinal direction ", " transverse direction ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation expressed by " outer " or position relationship are
Based on the orientation or position relationship shown in relevant drawings, it is for only for ease of description the utility model and simplifies description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore on
Term is stated it is not intended that limitation to the utility model.
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot herein one
One repeats, but therefore the embodiment of the utility model is not defined in implementation below.
As shown in Figure 1, a kind of embodiment according to the present utility model, the prism system of the utility model includes prism 1.
In the present embodiment, prism 1 has prism 11 and light splitting body 12.In the present embodiment, the light quilt received by camera lens 1
It is transmitted on the light splitting body 12 of prism 1, light splitting body 12 allows incident visible light to be transmitted through and by infrared reflection.
As shown in Figure 1, a kind of embodiment according to the present utility model, prism 11 is monomer right-angle prismatic column.At this
In embodiment, the triangular prism inclined-plane of prism 11 is plane of light incidence 111, and the face vertical with incident ray is emitted for visible ray
Face 112.Light splitting body 12 is located on the plane of light incidence 111 of prism 11, the projecting direction of the infrared ray of the body 12 that is split reflection
The face that incident light is parallel to prism 11 is perpendicular.In the present embodiment, light reaches light splitting body 12, it is seen that incident light leads to
Excessive body of light 12 reaches plane of light incidence 111, and visible light-emitting face 112 is reached, and lead to by the visible ray of plane of light incidence 111
The visible ray for crossing visible light-emitting face 112 is projected onto the external world.The infrared light body 12 that is directly split reflects, so as to avoid infrared light
By reaching visible light-emitting face 112, being sufficiently separated for visible ray and infrared light is realized.
As shown in Figure 1, a kind of embodiment according to the present utility model, set on the visible light-emitting face 112 of prism 11
The accommodating chamber 113 of oriented 11 inner recess of prism in the present embodiment, is equipped with optical mirror slip 1131 in accommodating chamber 113.Hold
Chamber 113 of receiving is extended vertically perpendicular to visible light-emitting face 112 into prism 11, and 113 bottom of accommodating chamber is with being divided 12 phase of body
Between set, i.e., it is spaced between the bottom of accommodating chamber 113 and plane of light incidence 111.
As shown in Fig. 2, another embodiment according to the present utility model, prism 11 is by the first prism 11a and
Two prism 11b are formed.In the present embodiment, the first prism 11a and the second prism 11b is respectively square trigone
The inclined-plane of column, the first prism 11a and the second prism 11b are mutually oppositely arranged, light splitting body 12 be located at the first prism 11a with
Between the inclined-plane of second prism 11b.In the present embodiment, light splitting body 12 reflects infrared light and allows visible transmission, the
The face vertical with the visible ray from light splitting body 12 is visible light-emitting face 112 on two prism 11b.On first prism 11a
The face vertical with incident ray is plane of light incidence 111, and the upper infrared rays with being divided the reflection of body 12 of the first prism 11a are perpendicular
And the face for passing through infrared ray is infrared light-emitting face 214.In the present embodiment, light reaches plane of light incidence 111, passes through
The light of plane of light incidence 111 is transferred on light splitting body 12, it is seen that incident light reaches visible light-emitting face by being divided body 12
112, the external world can be projected by the visible ray of visible light-emitting face 112.The infrared ray reflected by being divided body 12 reaches
Infrared light-emitting face 214 is projected the external world by the infrared ray of infrared light-emitting face 214.
As shown in Fig. 2, another embodiment according to the present utility model, the visible light-emitting face of the second prism 11b
112 are equipped with the accommodating chamber 113 to the second prism 11b inner recess, in the present embodiment, light are equipped in accommodating chamber 113
Learn eyeglass 1131.Accommodating chamber 113 extends vertically, and accommodating chamber perpendicular to visible light-emitting face 112 into the second prism 11b
113 bottoms are with being divided 12 alternate setting of body, i.e., spaced between the bottom of accommodating chamber 113 and the inclined-plane of the second prism 11b.
As shown in Figure 1, a kind of embodiment according to the present utility model, accommodating chamber 113 is hollow cylinder.In this implementation
In mode, the hollow circuit cylinder cavity constant for diameter of accommodating chamber 113.The center line of accommodating chamber 113 passes through the light of prism 11
The geometrically symmetric center of the plane of incidence 111.By above-mentioned setting, ensure the optical axis and rib of the optical mirror slip 1131 in accommodating chamber 113
The geometrically symmetric center of 11 plane of light incidence 111 of mirror body overlaps, and so as to avoid the deflection of extraneous visible ray is projected onto, protects
Demonstrate,proving sensitive chip being capable of blur-free imaging.
Another embodiment according to the present utility model, accommodating chamber 113 are hollow stepped cylindrical body.In this embodiment party
In formula, the diameter of each cylinder in the stairstepping cavity of accommodating chamber 113 from visible light-emitting face 112 towards prism 11 inside
It reduces successively.The center line of accommodating chamber 113 passes through the geometrically symmetric center of 11 plane of light incidence 111 of prism.It is set by above-mentioned
It puts, ensures the optical axis of optical mirror slip 1131 and the geometrically symmetric center weight of 11 plane of light incidence 111 of prism in accommodating chamber 113
It closes, so as to avoid the deflection of extraneous visible ray is projected onto, ensures that sensitive chip being capable of blur-free imaging.
A kind of embodiment according to the present utility model, optical mirror slip 1131 are made of 5 aspherical lens, realize 3mm
Within short operating distance, back focal length is imaged within 3mm.
A kind of embodiment according to the present utility model, light splitting body 12 are light splitting plated film.In the present embodiment, light splitting plating
Film allow visible ray by and reflect infrared light.Light splitting plated film allow by visible ray wave-length coverage be 410~650nm.
Light splitting plated film allow by infrared light wave-length coverage be 850 ± 20nm.In the present embodiment, light splitting body 12 is done by optics
Film group composition is related to, optical interference film is at least two layers in optical interference film group, can be three layers, four layers or more
It is more.
As shown in Figure 1, a kind of embodiment according to the present utility model, prism 11 is equipped with anti-reflection film.Pass through setting
Anti-reflection film is the transmitance higher of prism 11, so as to reduce the loss that light is transmitted in prism system, is conducive to output foot
Enough light intensities.
According to the utility model, prism 1 carries out light-splitting processing by being divided body 12 to the light by 1 incidence of camera lens, from
And make visible ray and infrared light passes through different direction transmission, it ensure that the prism system of the utility model in visible ray and infrared
It is mutual indepedent in optical transmission process, interfering with each other for visible ray and infrared light is avoided, ensure that the clear of imaging.It is divided body
12 are made of optical interference film group.By above-mentioned setting, the loss by being divided 12 glazed thread of body is reduced, ensure that this reality
With novel imaging clearly.By above-mentioned setting, it ensure that the visible ray that wave-length coverage is 410~650nm can penetrate light splitting
Body 12, and the transmitance of visible ray reaches more than 90%, and the prism system output for further ensuring the utility model is enough
Visible ray, be conducive to improve sensitive chip image quality.Meanwhile by above-mentioned setting, ensure that wave-length coverage for 850 ±
The infrared light of the 20nm body 12 that can be split reflects, and the reflectivity of infrared light reaches more than 90%, further ensures this
The prism system of utility model exports enough infrared lights, is conducive to improve the image quality of sensitive chip.
According to the utility model, by setting accommodating chamber 113 on prism 1, and optical mirror slip is installed in accommodating chamber 113
1131, so as to which the inner space of prism 1 rationally be utilized, reduce the volume of the prism system of the utility model.Therefore, it uses
The volume of the camera module of the prism system of the utility model is efficiently reduced.Meanwhile the prism system for passing through the utility model
The distance between prism 1 and sensitive chip can effectively be changed, so as to be conducive to prism system of the adjustment using the utility model
Camera module imaging size.
The above is only enumerating for the concrete scheme of the utility model, for the equipment and knot of wherein not detailed description
Structure, it should be understood that the existing common apparatus in this field and universal method is taken to be practiced.
The foregoing is merely a schemes of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. prism system, including prism, the prism has prism and light splitting body, and the light splitting body allows incident visible light saturating
It penetrates by and by infrared reflection；It is characterized in that, the outgoing smooth surface of the prism is equipped with to prism inner recess
Accommodating chamber is equipped with optical mirror slip in the accommodating chamber.
2. prism system according to claim 1, which is characterized in that the prism is monomer right-angle prismatic column, thirdly
Prism inclined-plane be plane of light incidence, the face vertical with incident ray be visible light-emitting face, the accommodating chamber perpendicular to it is described can
See that light-emitting face is extended vertically into the prism, and accommodating chamber bottom setting alternate with the light splitting body.
3. prism system according to claim 1, which is characterized in that the prism is by the first prism and the second prism
Body forms, and first prism and second prism are respectively square triangular prism, first prism and second
The inclined-plane of prism is mutually oppositely arranged, it is described light splitting body between first prism and the inclined-plane of the second prism,
The light splitting body reflection infrared light simultaneously allows visible transmission, vertical with the visible ray from light splitting body on second prism
Face for visible light-emitting face, the accommodating chamber is vertically prolonged perpendicular to the visible light-emitting face into second prism
It stretches, and accommodating chamber bottom setting alternate with the light splitting body.
4. the prism system according to Claims 2 or 3, which is characterized in that the accommodating chamber is hollow stepped cylindrical body,
The diameter of each cylinder from the visible light-emitting face towards prism inside reduce successively, the center line of the cylinder passes through
The geometrically symmetric center of the prism plane of light incidence or the accommodating chamber are hollow cylinder, the hollow cylinder
Center line passes through the geometrically symmetric center of the prism plane of light incidence.
5. prism system according to claim 4, which is characterized in that the optical mirror slip is made of 5 aspherical lens,
Realize short operating distance within 3mm, back focal length is imaged within 3mm.
6. according to the prism system described in one of claim 1,2 or 3, which is characterized in that the prism is equipped with anti-reflection film.
7. according to the prism system described in one of claim 1,2 or 3, which is characterized in that the light splitting body is is divided plated film, institute
State light splitting plated film allow visible ray by and reflect infrared light, the wave-length coverage of the visible ray is 410~650nm, described red
The wave-length coverage of outer light is 850 ± 20nm.
8. prism system according to claim 7, which is characterized in that the plated film is made of optical interference film group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682850.XU CN207504991U (en) | 2017-12-06 | 2017-12-06 | Prism system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682850.XU CN207504991U (en) | 2017-12-06 | 2017-12-06 | Prism system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504991U true CN207504991U (en) | 2018-06-15 |
Family
ID=62508323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721682850.XU Withdrawn - After Issue CN207504991U (en) | 2017-12-06 | 2017-12-06 | Prism system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207504991U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055429A (en) * | 2017-12-06 | 2018-05-18 | 宁波维森智能传感技术有限公司 | Prism system |
| CN110213471A (en) * | 2019-06-28 | 2019-09-06 | 维沃移动通信（杭州）有限公司 | Terminal device |
| CN111556233A (en) * | 2020-05-13 | 2020-08-18 | RealMe重庆移动通信有限公司 | Light conversion element, lens assembly, and electronic device |
-
2017
- 2017-12-06 CN CN201721682850.XU patent/CN207504991U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055429A (en) * | 2017-12-06 | 2018-05-18 | 宁波维森智能传感技术有限公司 | Prism system |
| CN108055429B (en) * | 2017-12-06 | 2024-03-01 | 浙江舜宇智领技术有限公司 | Prism system |
| CN110213471A (en) * | 2019-06-28 | 2019-09-06 | 维沃移动通信（杭州）有限公司 | Terminal device |
| CN110213471B (en) * | 2019-06-28 | 2021-01-08 | 维沃移动通信（杭州）有限公司 | Terminal device |
| CN111556233A (en) * | 2020-05-13 | 2020-08-18 | RealMe重庆移动通信有限公司 | Light conversion element, lens assembly, and electronic device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315400 No. 1918, Shinan West Road, Yuyao, Ningbo, Zhejiang. Patentee after: NINGBO WISSEN INTELLIGENT SENSING TECHNOLOGY Co.,Ltd. Address before: 315400 No. 1918, Shinan West Road, Yuyao, Ningbo, Zhejiang. Patentee before: NINGBO WISSEN INTELLIGENT SENSING TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315400 No. 67-69 Fengle Road, Yangming Street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Zhejiang SunYu Zhiling Technology Co.,Ltd. Address before: 315400 No. 1918, Shinan West Road, Yuyao, Ningbo, Zhejiang. Patentee before: NINGBO WISSEN INTELLIGENT SENSING TECHNOLOGY Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180615 Effective date of abandoning: 20240301 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180615 Effective date of abandoning: 20240301 |