CN206147240U - Optics that can realize optical zoom moves to catch takes photograph camera - Google Patents
Optics that can realize optical zoom moves to catch takes photograph camera Download PDFInfo
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- CN206147240U CN206147240U CN201621126539.2U CN201621126539U CN206147240U CN 206147240 U CN206147240 U CN 206147240U CN 201621126539 U CN201621126539 U CN 201621126539U CN 206147240 U CN206147240 U CN 206147240U
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- zoom
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- video camera
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Abstract
The utility model is suitable for a take the photograph camera's technical field, provide an optics that can realize optical zoom moves to catch takes photograph camera, including optical lens, arrange the infrared light source of one side of optical lens in, arrange optical lens's opposite side and the light sensing device who corresponds with optical lens in, circuit control panel with light sensing device electric connection, the zooming liquid wafer spare and take place torsional drive arrangement with the liquid crystal layer that zooms the cooperation of liquid wafer spare electrical property and be used for the drive to zoom liquid wafer spare of focus of optical imaging system is located between light sensing device and the optical lens and be used for changing. The utility model discloses an optics that can realize optical zoom moves to catch takes photograph camera, but transient range does not receive the restriction of camera lens when zooming, the exterior structure that when zooming liquid wafer spare can not change, only is the rotation of liquid crystal layer, and consequently, but focus transient range is big, and the image quality is good.
Description
Technical field
This utility model belongs to the technical field of video camera, and dynamic the catching of more particularly to a kind of optics of achievable optical zoom is taken the photograph
Camera.
Background technology
Optics motion capture system is widely used in that Film Animation special technology making, big game make, life sciences grind
The field such as study carefully.Recently as the development of VR (Virtual Reality, i.e. virtual reality) technology, the system of grabbing is caught in optics action
Start to be applied to VR fields.The core devices of optics motion capture system are that optics is dynamic mends video camera.The video camera mainly by
Imageing sensor, camera lens, infrared bandpass filter unit, infrared light supply and camera control circuit composition.Infrared bandpass filter
Unit is used to filter out ambient light, only by the infrared light of certain wave band.The illumination that infrared light supply sends is mapped to the thing (people that is captured
With animal etc.) on, be bundled in the witch ball reflection being captured on thing, reflected light by camera lens, infrared bandpass filter unit, most
Afterwards by image recording sensor.
Optics is moved catches the of many uses of video camera, therefore, using area, scene are also different.Current optics is dynamic to catch shooting
Generally there is following technical problem in machine：Sometimes wish that video camera has the wider array of visual field, sometimes wish that video camera has farther
The visual field, and both can not get both simultaneously.Traditional method is to catch on video camera using zoom lens to realize optics optics is dynamic
Zoom, you can when the wider visual field is needed turning focal length down makes camera coverage wider, needs to tune up when the farther visual field
Focal length make shooting function capture it is farther where.
However, the optics of traditional achievable optical zoom moves and catches video camera by zoom lens to realize optical zoom
There is following technical problem in method：One is that focal length variable range is very little.Zoom lens are in zooming procedure due to interior lens
Group needs collaboration movement, camera lens present a certain degree of flexible.And wanting for video camera illumination direction is caught as optics is moved
Ask, it is relatively-stationary with the position of video camera light source that camera lens is, i.e., light source surrounding lens are arranged.When zoom lens contract inward
When, the partial field of view of camera lens is possible to be blocked by light source；And when zoom lens toward it is overhanging when, part source light
Illumination path is possible to be blocked by the part that camera lens is stretched, therefore so that the variable range of focal length is subject to what camera lens stretched
Limit.Two be zoom lens due to needing to take into account the imaging capability of each burnt section, its difference process distortion process be nothing like it is fixed
Zoom lens, comprehensive imaging capability are poorer than tight shot, so as to affect the dynamic seizure accuracy for catching video camera.
Utility model content
Main purpose of the present utility model is to provide that a kind of optics of achievable optical zoom is dynamic to catch video camera, it is intended to solved
The optics of certainly traditional achievable optical zoom move catch video camera presence focal length variable range it is little and image quality is poor asks
Topic.
This utility model is achieved in that a kind of optics of achievable optical zoom is dynamic and catches video camera, including：
Optical lens；
It is placed in the infrared light supply of the side of the optical lens；
It is placed in the opposite side and sensor devices corresponding with the optical lens of the optical lens；
The circuit control panel being electrically connected with the sensor devices；
The zoom of the focal length between the sensor devices and the optical lens and for changing optical imaging system
Liquid crystal cell and electrically coordinate and for driving the liquid crystal layer of the Zoom liquid crystal element to occur with the Zoom liquid crystal element
The driving means of torsion.
As optimal technical scheme of the present utility model：
Further, the Zoom liquid crystal element is set in laminar monomer liquid crystal lens.Further, the optics
It is provided between camera lens and the Zoom liquid crystal element for light is risen the working condition phase being biased to the Zoom liquid crystal element
The polarizer matched somebody with somebody.
Further, in flake, the laminar polarizer is angularly arranged on described the polarizer
On Zoom liquid crystal element.
Further, it is additionally provided between the sensor devices and the optical lens first for filtering the optical filtering of ambient light
Part.
Further, the filter element is set to infrared fileter.
Further, the Zoom liquid crystal element and the filter element are connected in a framework.
Further, the optical lens include the base cooperated with the circuit control panel, the Zoom liquid crystal
Element is connected with the base by the bracing frame for arranging.
Further, the infrared light supply includes infrared light supply pcb board, and the infrared light supply pcb board is provided with multiple
Every the lamp bead of distribution.
Further, the driving means include power supply and for by the Power convert into driving voltage to drive
State the voltage driven element that the liquid crystal layer of Zoom liquid crystal element twists.
Further, the driving means are arranged on the circuit control panel.
Further, the circuit control panel, the sensor devices and the Zoom liquid crystal element are placed in a video camera
In housing, the video camera housing is connected with the optical lens.
Further, the video camera housing is spun with the optical lens.
Further, be provided between the video camera housing and the infrared light supply for connect the video camera housing with
The connecting rod of the infrared light supply.
The optics of the achievable optical zoom that this utility model is provided is dynamic to catch video camera, using achievable optical zoom
Optics is dynamic when catching video camera, by the Zoom liquid crystal element that arranges between sensor devices and optical lens and itself and drive dress
In the presence of the electrical cooperation put, driving means change the direction of rotation of the liquid crystal of Zoom liquid crystal element using electric field, that is, drive
The liquid crystal layer of dynamic Zoom liquid crystal element twists, and by the focal length for changing Zoom liquid crystal element, reaches the conversion of focus point,
So that the focal length of whole optical imaging system changes.Compared with prior art, during zoom, variable range is not limited by camera lens,
I.e. zoom when zoom liquid crystal cell external structure will not change, the only rotation of liquid crystal layer, therefore, the variable model of focal length
Enclose big, and good imaging quality.
Description of the drawings
Fig. 1 is that the optics of the achievable optical zoom that this utility model embodiment is provided moves and catches the internal structure of video camera and show
It is intended to；
Fig. 2 is that the optics of the achievable optical zoom that this utility model embodiment is provided moves the profile for catching video camera；
Fig. 3 is that the optics of the achievable optical zoom that this utility model embodiment is provided moves the framework position for catching video camera
Structural representation.
In figure：1- optical lens, 11- bases, 2- infrared light supplies, 21- lamp beads, 3- frameworks, the first draw-in grooves of 31-, 32- second
Draw-in groove, 33- filter elements, 34- Zoom liquid crystal elements, 35- polarizers, 4- sensor devices, 5- circuit control panels, 6- video cameras
Housing, 7- bracing frames, 8- connecting rods.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit this utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is referred to as " being connected to " another element, it can be with
It is directly to another element or is indirectly connected to another element.
A kind of optics of achievable optical zoom of this utility model offer is dynamic to catch video camera, by sensor devices 4 and light
In the presence of learning the Zoom liquid crystal element 34 and its electrical cooperation with driving means arranged between camera lens 1, become by changing
The focal length of burnt liquid crystal cell 34, reaches the conversion of focus point, therefore, focal length variable range is big, and good imaging quality.
1～Fig. 3 of accompanying drawing is referred to, the optics of the achievable optical zoom is dynamic to catch video camera includes optical lens 1, is placed in light
Learn camera lens 1 side infrared light supply 2, be placed in optical lens 1 opposite side and with 1 corresponding sensor devices 4 of optical lens, and
Circuit control panel 5 that sensor devices 4 are electrically connected with, between sensor devices 4 and optical lens 1 and for changing optical imagery
The focal length of system 3 and electrically coordinate and for driving the liquid crystal layer of Zoom liquid crystal element 34 to occur with Zoom liquid crystal element 34
The driving means of torsion.
The optics of the achievable optical zoom that this utility model embodiment is provided is dynamic to catch video camera, using achievable optics
The optics of zoom is dynamic when catching video camera, by the Zoom liquid crystal element 34 that arranges between sensor devices 4 and optical lens 1 and
In the presence of its electrical cooperation with driving means, driving means change the rotation of the liquid crystal of Zoom liquid crystal element 34 using electric field
Turn direction, that is, drive the liquid crystal layer of Zoom liquid crystal element 34 to twist, by the focal length for changing Zoom liquid crystal element 34, reach
To the conversion of focus point, so that the focal length of whole optical imaging system changes.Compared with prior art, variable range during zoom
Do not limited by camera lens, i.e., zoom when zoom liquid crystal cell 34 external structure will not change, the only rotation of liquid crystal layer
Turn, therefore, focal length variable range is big, and good imaging quality.
Preferably, Zoom liquid crystal element 34 is set in laminar monomer liquid crystal lens, when in use, is easy to pass through
Change the focal length of monomer liquid crystal lens itself realizing zoom.Specifically, change the light being reflected back by monomer liquid crystal lens
Light path.It should be noted that, monomer liquid crystal lens can adopt existing conventional techniques.Further, monomer liquid crystal lens are set to
The structure of the rectangular shape in cross section, so that liquid crystal lens degree of stability is high, and increases impact of the electric field to monomer liquid crystal lens
Ability.
Further, it is provided between optical lens 1 and Zoom liquid crystal element 34 and is biased to and Zoom liquid crystal unit for light is risen
The polarizer 35 that the working condition of part 34 matches, specifically, in flake, the laminar polarization is first for polarizer 35
Part 35 is angularly arranged on the Zoom liquid crystal element 34.It should be noted that, in the present embodiment, polarizer 35 is set to partially
Shake piece, and polaroid can adopt existing conventional techniques, and polaroid can be the optical element for making natural light become polarized light.Polarization
Piece has masking and the function of passing through to incident illumination, can make longitudinal light or a kind of transmission of lateral light, a kind of masking.Prior art
Polaroid is the composite being laminated by polarizing coating, inner protection film, pressure-sensitive adhesive layer and outer protecting film.Preferably, in order to just
In polaroid is connected with Zoom liquid crystal element 34, and light is risen by polaroid be biased to needed for cooperation Zoom liquid crystal element 34
Polarization angle, polaroid is angularly pasted onto on Zoom liquid crystal element 34.It should be noted that, polaroid is not embodied in figure
Angled to be arranged on Zoom liquid crystal element 34, light can be risen to be biased to according to polaroid and can coordinate liquid crystal lens functions institute by the angle
The being actually needed during polarization angle for needing is designed.
Additionally, being additionally provided between sensor devices and optical lens for filtering the filter element 33 of ambient light.Further,
Zoom liquid crystal element 34 and filter element 33 are connected in a framework 3.Specifically, framework 3 is provided with the first draw-in groove 31 and second
Draw-in groove 32, Zoom liquid crystal element 34 and polarizer 35 are clamped in the first draw-in groove 31, and filter element 33 is clamped on the second draw-in groove
In 32.Additionally, it should be noted that, filter element 33 can also adopt bonding or existing other routine techniquess means and Zoom liquid crystal
Element 34 is attached.Filter element 33 is preferably arranged to infrared fileter.Infrared fileter filters out ambient light, only passes through one
The infrared light of standing wave section, it is to avoid occur impurity during shooting, so as to ensure shooting picture quality.
Specifically, optical lens 1 include the base 11 cooperated with circuit control panel 5, and Zoom liquid crystal element 34 can be with
It is connected with base 11 by the bracing frame 7 for arranging.It is easy to, by the firm connection of Zoom liquid crystal element 34, be further ensured that optics
The effect of zoom.Specifically, after the Zoom liquid crystal element 34 in the present embodiment is connected in framework 3, then by framework 3 by supporting
Frame 7 is connected with base 11.Additionally, for the ease of connection, base 11 can be being connected with video camera housing 6.
It should be noted that, sensor devices 4 are typically set to imageing sensor.Additionally, by monomer liquid crystal lens in the present embodiment
5mm is preferably arranged to the spacing of sensor devices 4.It should be noted that, the spacing of Zoom liquid crystal element 34 and sensor devices 4 may be used also
To be set to other arbitrary values according to actual needs.Preferably, when the spacing of monomer liquid crystal lens and sensor devices 4 is set to 5mm,
Optical lens 1 preferably adopt 12.5mm focal length lenses.It should be noted that, when monomer liquid crystal lens are not powered, which is equivalent to one
Block sheet glass, now the monomer liquid crystal focal length of lens is just infinite, i.e., the focal length of whole optical imaging system is still 12.5mm.When
We add a driving voltage, and monomer liquid crystal lens liquid crystal layer can twist, and the monomer liquid crystal focal length of lens changes, now whole
The focal length of individual optical imaging system also changes therewith.Additionally, it should be noted that, optical lens are can also adjust after zoom
Focusing, further enable imageing sensor record clear bright and sharp picture.
Specifically, infrared light supply 2 includes infrared light supply pcb board, and infrared light supply pcb board is provided with multiple lamps being spaced apart
Pearl 21.Specifically, when shooting, the light sent from infrared light supply is reflected into video camera by reflective small ball, due to
Reflective small ball is higher to the former road reflectance of light, further helps in and avoids occurring impurity when shooting, and then ensures what is shot
Image quality.It should be noted that, PCB (Printed Circuit Board), Chinese is printed circuit board, also known as printing
Wiring board, it is the supporter of electronic devices and components, is the carrier of electronic devices and components electrical connection.
Specifically, driving means include power supply and for by Power convert into driving voltage to drive Zoom liquid crystal element
The voltage driven element that 34 liquid crystal layer twists.It should be noted that, driving means can adopt existing conventional techniques.Typically
For, it is also possible to booster driving circuit is used, and drives Zoom liquid crystal element 34 driving voltage is produced according to input voltage
Liquid crystal layer twists.In the present embodiment, driving means are preferably provided on circuit control panel 5, are easy to control driving voltage to drive
The liquid crystal layer of dynamic Zoom liquid crystal element 34 twists.
Further, circuit control panel 5, sensor devices 4 and Zoom liquid crystal element 34 are placed in a video camera housing 6,
Video camera housing 6 is connected with optical lens 1, with preferably protection circuit panel 5, sensor devices 4 and Zoom liquid crystal element 34.
Specifically, video camera housing 6 is spun with optical lens 1, in order to video camera housing 6 is mounted and dismounted with optical lens 1.This
Outward, may be provided for connecting the connecting rod of video camera housing 6 and infrared light supply 2 between video camera housing 6 and infrared light supply 2
8, it is easy to be connected video camera housing 6 with infrared light supply 2 by connecting rod 8, and contributes to protecting optical lens 1.
Preferred embodiment of the present utility model is these are only, it is not to limit this utility model, all in this practicality
Any modification, equivalent or improvement for being made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (14)
1. a kind of optics of achievable optical zoom is dynamic catches video camera, it is characterised in that include：
Optical lens；
It is placed in the infrared light supply of the side of the optical lens；
It is placed in the opposite side and sensor devices corresponding with the optical lens of the optical lens；
The circuit control panel being electrically connected with the sensor devices；
The Zoom liquid crystal of the focal length between the sensor devices and the optical lens and for changing optical imaging system
Element and electrically coordinate and for driving the liquid crystal layer of the Zoom liquid crystal element to twist with the Zoom liquid crystal element
Driving means.
2. the optics of achievable optical zoom as claimed in claim 1 is dynamic catches video camera, it is characterised in that the Zoom liquid crystal
Element is set in laminar monomer liquid crystal lens.
3. the optics of achievable optical zoom as claimed in claim 1 is dynamic catches video camera, it is characterised in that the optical lens
It is provided between the Zoom liquid crystal element and matches with the working condition of the Zoom liquid crystal element for rising to be biased to light
Polarizer.
4. the optics of achievable optical zoom as claimed in claim 3 is dynamic catches video camera, it is characterised in that the polarizer
In flake, the laminar polarizer is angularly arranged on the Zoom liquid crystal element.
5. the optics of the achievable optical zoom as described in any one of Claims 1 to 4 is dynamic catches video camera, it is characterised in that institute
State and be additionally provided between sensor devices and the optical lens for filtering the filter element of ambient light.
6. the optics of achievable optical zoom as claimed in claim 5 is dynamic catches video camera, it is characterised in that the filter element
It is set to infrared fileter.
7. the optics of achievable optical zoom as claimed in claim 6 is dynamic catches video camera, it is characterised in that the Zoom liquid crystal
Element and the filter element are connected in a framework.
8. the optics of the achievable optical zoom as described in any one of Claims 1 to 4 is dynamic catches video camera, it is characterised in that institute
State the base that optical lens include cooperating with the circuit control panel, a support of the Zoom liquid crystal element by setting
Frame is connected with the base.
9. the optics of the achievable optical zoom as described in any one of Claims 1 to 4 is dynamic catches video camera, it is characterised in that institute
Stating infrared light supply includes infrared light supply pcb board, and the infrared light supply pcb board is provided with multiple lamp beads being spaced apart.
10. the optics of the achievable optical zoom as described in any one of Claims 1 to 4 is dynamic catches video camera, it is characterised in that institute
State driving means include power supply and for by the Power convert into driving voltage to drive the liquid of the Zoom liquid crystal element
The voltage driven element that crystal layer twists.
The optics of 11. achievable optical zooms as claimed in claim 10 is dynamic to catch video camera, it is characterised in that the driving dress
Put and be arranged on the circuit control panel.
The optics of the 12. achievable optical zooms as described in any one of Claims 1 to 4 is dynamic to catch video camera, it is characterised in that institute
State circuit control panel, the sensor devices and the Zoom liquid crystal element to be placed in a video camera housing, outside the video camera
Frame is connected with the optical lens.
The optics of 13. achievable optical zooms as claimed in claim 12 is dynamic to catch video camera, it is characterised in that the video camera
Housing is spun with the optical lens.
The optics of 14. achievable optical zooms as claimed in claim 12 is dynamic to catch video camera, it is characterised in that the video camera
It is provided between housing and the infrared light supply for connecting the connecting rod of the video camera housing and the infrared light supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126539.2U CN206147240U (en) | 2016-10-14 | 2016-10-14 | Optics that can realize optical zoom moves to catch takes photograph camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126539.2U CN206147240U (en) | 2016-10-14 | 2016-10-14 | Optics that can realize optical zoom moves to catch takes photograph camera |
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| Publication Number | Publication Date |
|---|---|
| CN206147240U true CN206147240U (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621126539.2U Active CN206147240U (en) | 2016-10-14 | 2016-10-14 | Optics that can realize optical zoom moves to catch takes photograph camera |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068305A1 (en) * | 2016-10-14 | 2018-04-19 | 深圳市瑞立视多媒体科技有限公司 | Optical motion capture camera capable of realizing optical zooming |
| CN110149466A (en) * | 2019-05-31 | 2019-08-20 | 深圳前海达闼云端智能科技有限公司 | Optical filtering variable focus package, camera module and terminal |
-
2016
- 2016-10-14 CN CN201621126539.2U patent/CN206147240U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068305A1 (en) * | 2016-10-14 | 2018-04-19 | 深圳市瑞立视多媒体科技有限公司 | Optical motion capture camera capable of realizing optical zooming |
| CN110149466A (en) * | 2019-05-31 | 2019-08-20 | 深圳前海达闼云端智能科技有限公司 | Optical filtering variable focus package, camera module and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An optical motion capture camera capable of optical zooming Effective date of registration: 20200117 Granted publication date: 20170503 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: SHENZHEN REALIS MULTIMEDIA TECHNOLOGY Co.,Ltd. Registration number: Y2020990000077 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220401 Granted publication date: 20170503 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: SHENZHEN REALIS MULTIMEDIA TECHNOLOGY Co.,Ltd. Registration number: Y2020990000077 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |