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CN209017154U - A kind of video camera - Google Patents

A kind of video camera Download PDF

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Publication number
CN209017154U
CN209017154U CN201821786891.8U CN201821786891U CN209017154U CN 209017154 U CN209017154 U CN 209017154U CN 201821786891 U CN201821786891 U CN 201821786891U CN 209017154 U CN209017154 U CN 209017154U
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China
Prior art keywords
lens
video camera
zoom
lens module
focal length
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CN201821786891.8U
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Chinese (zh)
Inventor
沈辰弋
杨坤
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Hangzhou Hikvision Digital Technology Co Ltd
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Hangzhou Hikvision Digital Technology Co Ltd
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Abstract

The utility model embodiment provides a kind of video camera, is applied to technical field of image processing, above-mentioned video camera includes: processor and a plurality of lenses mould group;Lens module includes zoom lens and imaging sensor, and the equivalent focal length range of zoom lens is different in each lens module;Imaging sensor is connect with processor.The video camera of the utility model embodiment includes a plurality of lenses mould group, and in each lens module zoom lens equivalent focal length range it is different, the focus adjustment range of video camera can be increased, effective coverage of video camera can be increased.

Description

A kind of video camera
Technical field
The utility model relates to technical field of image processing, more particularly to a kind of video camera.
Background technique
Video camera is a kind of image capture device of profession, its working principle is that optical image signal is changed into telecommunications Number, in order to storage or transmission.When shooting object, the light reflected on the object is collected by camera lens, the light beam of collection The light-receiving surface of picture pick-up device is focused on, such as on the photosurface of imaging sensor, then by the way that optical signal is changed into electric signal, i.e., Image data is obtained.Video camera can also amplify electric signal, handled and adjusted using various circuits, with The standard signal arrived, and the standard signal is transferred in the recording mediums such as video recorder and is recorded, or to be transferred to screen enterprising Row display.
Video camera, for the clearer image for obtaining object, needs the zoom lens to video camera when shooting object Focal length be adjusted.Existing camera structure is as shown in Figure 1, include a lens module and a processor, lens module Including zoom lens and imaging sensor, zoom lens is for being imaged, and the focus adjustable of zoom lens, and imaging sensor is by light Signal is converted into electric signal, and electric signal is exported to processor, and processor carries out processing and defeated to the image that electric signal characterizes Out.Existing camera lens focus adjustment range is small, and the effective coverage for capableing of shooting clear image of video camera is small.
Utility model content
The utility model embodiment is designed to provide a kind of video camera, to realize the effective shooting model for increasing video camera It encloses.Specific technical solution is as follows:
The utility model embodiment provides a kind of video camera, and the video camera includes:
Processor and a plurality of lenses mould group;
The lens module includes zoom lens and imaging sensor, the equivalent coke of zoom lens in each lens module Away from range difference;
Described image sensor is connected to the processor.
Optionally, the processor is system level chip SoC, and multiple described image sensors connect with a SoC It connects.
Optionally, the video camera further include:
Controller and multiple motors;
The controller is connect with each motor, wherein the controller sends electric signal to the motor to control The operation or closing of the motor;
The motor is connect with the zoom lens, wherein and the motor drives the zoom lens to link when operating, with Realize zoom and the focusing of the zoom lens.
Optionally, the controller includes micro-control unit and motor control chip, the micro-control unit and the electricity Machine controls chip connection, and the micro-control unit is connected to the processor, and the motor control chip is connect with the motor.
Optionally, the zoom lens includes: zoom group, focusing group and aperture assemblies.
Optionally, the video camera includes two lens modules.
Optionally, the video camera includes three lens modules.
Optionally, the lens module in multiple lens modules at least in multiple lens modules remove described one There are overlapping intervals for the equivalent focal length range of another lens module outside lens module.
A kind of video camera provided by the embodiment of the utility model, comprising: processor and a plurality of lenses mould group;Lens module packet Zoom lens and imaging sensor are included, the equivalent focal length range of zoom lens is different in each lens module;Imaging sensor and place Manage device connection.The video camera includes a plurality of lenses mould group, and in each lens module zoom lens equivalent focal length range it is different, energy The focus adjustment range for enough increasing video camera, can increase effective coverage of video camera.Certainly, implement the utility model Any product or method do not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of video camera in the prior art;
Fig. 2 is the first schematic diagram of the video camera of the utility model embodiment;
Fig. 3 is second of schematic diagram of the video camera of the utility model embodiment;
Fig. 4 is the third schematic diagram of the video camera of the utility model embodiment;
Fig. 5 is the 4th kind of schematic diagram of the video camera of the utility model embodiment;
Fig. 6 is the 5th kind of schematic diagram of the video camera of the utility model embodiment;
Fig. 7 is the 6th kind of schematic diagram of the video camera of the utility model embodiment;
Fig. 8 is the 7th kind of schematic diagram of the video camera of the utility model embodiment;
Fig. 9 a is a kind of schematic diagram of the equivalent focal length of the video camera of the utility model embodiment;
Fig. 9 b is another schematic diagram of the equivalent focal length of the video camera of the utility model embodiment
Figure 10 is the 8th kind of schematic diagram of the video camera of the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Inventor has found under study for action, only includes a lens module in existing video camera, focus adjustment range is small, influences Effective coverage of video camera.
In view of this, the utility model embodiment provides a kind of video camera, referring to fig. 2, which includes:
Processor 101 and a plurality of lenses mould group 102;
Above-mentioned lens module 102 includes zoom lens 1021 and imaging sensor 1022, is become in each above-mentioned lens module 102 The focal range of zoom lens 1021 is different;
Above-mentioned imaging sensor 1022 is connect with above-mentioned processor 101.
Wherein, above-mentioned processor 101 receives the image data transmitted by above-mentioned imaging sensor 1022, and after exporting processing Image data.
The same time of processor 101 only receives the image data of an imaging sensor 1022 transmission, and the mesh being taken It is marked in the coverage for the lens module that video camera is being currently used, the lens module that video camera is being currently used is place Manage the lens module where the imaging sensor of the reception image data of device 101.
For example, video camera includes lens module A and lens module B, effective coverage of lens module A is 1 meter -5 meters, Effective coverage of lens module B is 5 meters -20 meters, when the distance for the target range video camera being taken is 3 meters, processing Device receives the image data of imaging sensor transmission in lens module A;When the distance for the target range video camera being taken is 13 Meter Shi, processor receive the image of imaging sensor transmission in lens module B.
Because the parameter of each lens module photosensitive element is different, calculates and illustrate for convenience, by the coke of each lens module 135 cameras (one kind is converted into away from the focal length being converted under identical parameters, i.e. equivalent focal length, such as by the focal length of each lens module Camera model) on lens focus corresponding to same imaged viewing angle, the focal length after this conversion is exactly equivalent focal length.Each camera lens mould The range of the equivalent focal length of group is different, indicates that effective coverage of each lens module is also different.
For example, video camera includes lens module A and lens module B, effective coverage of lens module A is 1 meter -5 meters, Effective coverage of lens module B is 5 meters -20 meters, then effective coverage of video camera is 1 meter -20 meters, compared to independent Using the camera of lens module A or exclusive use lens module B, effective shooting distance is increased.
In the video camera of the utility model embodiment, video camera includes a plurality of lenses mould group, and is become in each lens module The equivalent focal length range of zoom lens is different, can increase the focus adjustment range of video camera, can increase effective bat of video camera Take the photograph range.
Optionally, above-mentioned processor is system level chip SoC, and multiple above-mentioned imaging sensors and an above-mentioned SoC connect It connects.
SoC (System on Chip, system level chip), also referred to as system on chip, SoC are the collection for having application-specific target At circuit, wherein including holonomic system and the full content for having embedded software.SoC is passed for obtaining specified imaging sensor 1022 Defeated image data, and the image data is handled and exported.For example, video camera includes lens module A and lens module Effective coverage of B, lens module A are 1 meter -5 meters, and effective coverage of lens module B is 5 meters -20 meters, then work as quilt When photographic subjects are apart from 3 meters of video camera, SoC receives the image of lens module A acquisition, is being taken 10 meters of target range video camera When, SoC receives the image of lens module B acquisition.
Optionally, referring to Fig. 3, above-mentioned video camera further include:
Controller 103 and multiple motors 104;
Above controller 103 is connect with each above-mentioned motor 104, wherein above controller 103 is sent to above-mentioned motor 104 Electric signal is to control the operation or closing of above-mentioned motor 104;
Above-mentioned motor 104 is connect with above-mentioned zoom lens 1021, wherein above-mentioned motor 104 drives above-mentioned zoom when operating Camera lens linkage, to realize zoom and the focusing of above-mentioned zoom lens.
Controller 103 controls the operation and closing of each motor 104 by electric signal, and motor 104 causes zoom at runtime The linkage of camera lens internal structure, to realize the adjusting of zoom lens focal length.
Optionally, referring to fig. 4, above controller 103 includes micro-control unit 1031 and motor control chip 1032, on It states micro-control unit 1031 to connect with above-mentioned motor control chip 1032, above-mentioned micro-control unit 1031 and above-mentioned processor 101 Connection, above-mentioned motor control chip 1032 are connect with above-mentioned motor 104.
Micro-control unit 1031 from processor 101 or can take the parameter of zoom lens 1022, and pass through motor control The operation and stopping of the control motor 104 of chip 1032.
General all-in-one machine camera lens is zoom (zoom) camera lens, i.e. camera lens needs to adjust focusing group again after zoom It focuses to realize image clearly of the original away under.For such camera lens during zoom, zoom group and focusing group are according to spy What fixed focusing curve was moved, guaranteed during zoom with this, whole process is clearly when image of the fixture away under.Therefore The zoom group and focusing group of zoom lens are needed while controlled when using all-in-one machine camera lens in zoom.Some big multiplying powers Motorized zoom lens are parfocal (waiting focal planes) camera lens, or referred to as varifocal (varifocal) camera lens, i.e. camera lens are becoming After coke, adjustment focusing group is not needed, it is ensured that image of the original away under is clearly.Therefore power zoom mirror is being used Head is in zoom, it is only necessary to control zoom group.
Optionally, above-mentioned zoom lens 1021 includes: zoom group, focusing group and aperture assemblies.
Zoom lens may include zoom group and focus (focusing) group and aperture assemblies.Motor is drawn in rotation The movement of zoom group, focusing group or aperture assemblies in zoom lens, to realize the zoom of zoom lens, focusing and aperture It adjusts.A motor can be separately configured for each zoom group, focusing group and aperture assemblies, to realize the independence of each parameter It adjusts.
Optionally, above-mentioned video camera includes two lens modules 102.
The video camera of the utility model embodiment can be real for twin-lens spherical camera shown in Fig. 5 or the utility model The video camera for applying example can be twin-lens PTZ camera shown in Fig. 6 etc..
Optionally, above-mentioned video camera includes three lens modules 102.
The video camera of the utility model embodiment can be real for three-lens spherical camera shown in Fig. 7 or the utility model The video camera for applying example can be three-lens PTZ camera shown in Fig. 8 etc..
Optionally, the lens module in multiple above-mentioned lens modules at least in multiple above-mentioned lens modules remove above-mentioned one There are overlapping intervals for the equivalent focal length range of another lens module outside lens module.
For example, being ranked up according to the ascending sequence of the equivalent focal length of each lens module to each lens module, obtain Sequence be followed successively by lens module 1 to lens module N.When N is the positive integer greater than 2, as illustrated in fig. 9, lens module N- The overlapping interval of M-1 and lens module N-M is fBW-fAT, the overlapping interval of lens module N-M and lens module N-M+1 is fCW- fBT, wherein M is the positive integer less than N-1.It is as shown in figure 9b, overlapping between lens module A and lens module B when n is 2 Section is fBW-fAT
Before the focal length of current lens mould group reaches default focal length threshold value, this is preset into corresponding two camera lenses of focal length threshold value In mould group, another lens module in addition to current lens mould group is as target lens module.For example, presetting coke shown in Fig. 9 b Equivalent focal length away from threshold value is fAB, this is preset focal length threshold value and corresponds to lens module A and lens module head B.If lens module A is Current lens mould group, before the focal length of lens module A reaches default focal length threshold value, using lens module B as target camera lens mould Group;If lens module B is current lens mould group, before the focal length of lens module B reaches default focal length threshold value, by lens module A is as target lens module.
A lens module in a plurality of lenses mould group at least with it is another in addition to a lens module in a plurality of lenses mould group There are overlapping intervals for the equivalent focal length range of lens module, facilitate smoothly switching for target lens module, can be improved camera lens The flatness of picture in handoff procedure.
It is as shown in Figure 10 in the video camera that the another embodiment of the utility model provides, comprising:
It is SoC, MCU (Microcontroller Unit, micro-control unit), multiple motor control chips, multiple motors, more A lens module, wherein lens module includes imaging sensor and zoom lens, and the equivalent focal length range of each zoom lens is not Together;
SoC is connect with MCU, and MCU is connect with each motor control chip, and motor control chip is connected to motor, motor and change Zoom lens connection, SoC are connect with each imaging sensor.
SoC is used to receive the image of specified lens module acquisition, while SoC can also obtain the parameter of each lens module. MCU can obtain the parameter of each lens module from SoC, and control each motor by motor control chip, to realize each zoom The adjusting of the focal length of camera lens.Imaging sensor is used to convert electric signal for the optical signal that zoom lens acquires.
SoC can determine the image for receiving which lens module acquisition, handle the image, and treated for output Image.The exposure parameter and white balance parameter of image are also by controlling, wherein and electronic shutter and analog gain are sensor parameter, Digital gain and white balance parameter are the Image Processing parameter in SoC.
MCU can obtain the parameter of each zoom lens from SoC, and control each motor by motor control chip, with reality Now to the adjusting of zoom lens.
General all-in-one machine camera lens is zoom camera lens, i.e. camera lens needs to adjust focusing group and focus to come again after zoom Realize image clearly of the original away under.For such camera lens during zoom, zoom group and focusing group are according to specific poly- What burnt curve was moved, guaranteed during zoom with this, whole process is clearly when image of the fixture away under.Therefore it is using All-in-one machine camera lens needs in zoom while controlling the zoom group and focusing group of zoom lens.The electronic change of some big multiplying powers Zoom lens are parfocal (waiting focal planes) camera lens, or referred to as varifocal (varifocal) camera lens, i.e., camera lens is in zoom mistake Afterwards, adjustment focusing group is not needed, it is ensured that image of the original away under is clearly.Therefore exist using motorized zoom lens When zoom, it is only necessary to control zoom group.
Optionally, SoC is also used to: the setting parameter of current zoom camera lens is obtained, by the setting parameter of current zoom camera lens It is synchronized in be switched target zoom lens, wherein setting parameter includes at least one in exposure parameter and white balance parameter Kind, current zoom camera lens is the zoom lens for acquiring the image that SoC is being exported.
The specific workflow of the video camera of the utility model embodiment can be such that
Step 1 meets during adjusting the focal length of current lens mould group in the focal length of above-mentioned current lens mould group When default switching condition, determine object of the above-mentioned current lens mould group in default focal length threshold value away from and target mirror to be converted Head mould group, wherein above-mentioned current lens mould group is the lens module for the image that the above-mentioned video camera of acquisition is exporting.
Default focal length threshold value can be set according to the real focal length range of zoom lens, for example, default focal length threshold value The maximum value or default focal length threshold value that are set as zoom lens focal length are set as the minimum value etc. of zoom lens focal length.
Optionally, the equivalent focal length range of above-mentioned current zoom camera lens and above-mentioned target zoom lens is there are overlapping interval, And the equivalent focal length of above-mentioned default focal length threshold value is in above-mentioned overlapping interval.
Optionally, above-mentioned determination target lens module to be converted, comprising:
According to the corresponding relationship of preset above-mentioned default focal length threshold value and zoom lens, target mirror to be converted is determined Head mould group.
There are corresponding relationships with lens module for default focal length threshold value.For example, including default focal length threshold by equivalent focal length range It is worth the lens module of equivalent focal length, presets the corresponding lens module of focal length threshold value, a default focal length threshold value corresponding two as this A lens module.
For example, being ranked up according to the ascending sequence of the equivalent focal length of each lens module to each lens module, obtain Sequence be followed successively by lens module 1 to lens module N.In N=2, the default focal length threshold value of lens module 1 corresponds to lens module 2, the default focal length threshold value of lens module 2 corresponds to lens module 1.When N is the positive integer greater than 2, lens module N-M includes Two default focal length threshold values, M are the positive integer less than N, and as illustrated in fig. 9, the equivalent focal length of biggish default focal length threshold value is fBC, the equivalent focal length of lesser default focal length threshold value is fAB, the default focal length threshold value of lens module 1 corresponds to lens module 2, mirror The default focal length threshold value of head mould group N corresponds to lens module N-1, and the biggish default focal length threshold value of lens module N-M corresponds to camera lens The lesser default focal length threshold value of mould group N-M+1, lens module N-M correspond to lens module N-M-1.In current lens mould group When focal length reaches default focal length threshold value, this is preset into the corresponding lens module of focal length threshold value, as target lens module.
Before the focal length of current lens mould group reaches default focal length threshold value, this is preset into corresponding two camera lenses of focal length threshold value In mould group, another lens module in addition to current lens mould group is as target lens module.For example, presetting coke shown in Fig. 9 b Equivalent focal length away from threshold value is fAB, this is preset focal length threshold value and corresponds to lens module A and lens module head B.If lens module A is Current lens mould group, before the focal length of lens module A reaches default focal length threshold value, using lens module B as target camera lens mould Group;If lens module B is current lens mould group, before the focal length of lens module B reaches default focal length threshold value, by lens module A is as target lens module.
Step 2, according to above-mentioned object away from the object distance of above-mentioned target lens module being adjusted, so that above-mentioned target camera lens mould Group object distance be above-mentioned object away from.
Adjust target zoom lens focal length, by the object distance of target zoom lens be adjusted to object away from.
Step 3 exports above-mentioned target camera lens mould when the focal length of above-mentioned current lens mould group reaches default focal length threshold value The image of group acquisition.
The object distance of target zoom lens is being adjusted to above-mentioned object away from preceding, the mirror for exporting image can't be switched Head mould group, after the completion of the focal length of target lens module and focusing distance are adjusted, i.e. the object distance of target lens module is adjusted to mesh After marking object distance, then the image that the output image of video camera is acquired by above-mentioned current lens mould group, it is changed to target lens module The image of acquisition.The focal length and focusing distance of target lens module are adjusted, and need to reach default in the focal length of current lens mould group It is completed before focal length threshold value, the image when the focal length of current lens mould group reaches default focal length threshold value by video camera output switches For the image of target lens module acquisition.
Optionally, the setting of above-mentioned overlapping region and the selection of above-mentioned default focal length threshold value meet the braking item of above-mentioned motor Part.
Zoom lens may include zoom group and focusing group.The shifting of motor lens in traction zoom lens in rotation It is dynamic, to realize zoom and the focusing of zoom lens.
Because the parameter of the photosensitive element of each lens module is different, for convenience of explanation, by the focal length etc. of each lens module Effect is the equivalent focal length under identical parameters photosensitive element.As shown in figure 9b, the equivalent focal length range of lens module A is fAW-fAT, The equivalent focal length range of lens module B is fBW-fBT, the equivalent focal length for presetting focal length threshold value is fAB
When lens module A is current lens mould group, and lens module B is target lens module, meet the braking item of motor Part refers to: in fAB-fATZooming procedure in, for lens module A zoom group and focusing group in each group, should The stroke of group decelerates to static required stroke from most high speed not less than the group, in fBW-fABZooming procedure in, for Each group in the zoom group and focusing group of lens module B, the stroke of the group is not less than the group by static acceleration Stroke needed for maximum speed.
When lens module A is target lens module, and lens module B is current lens mould group, meet the braking item of motor Part refers to: in fAB-fBWZooming procedure in, for lens module B zoom group and focusing group in each group, should The stroke of group decelerates to static required stroke from most high speed not less than the group, in fAT-fABZooming procedure in, for Each group in the zoom group and focusing group of lens module A, the stroke of the group is not less than the group by static acceleration Stroke needed for maximum speed.
The flatness of picture when optionally, in order to guarantee cutaway needs the setting parameter to zoom lens to carry out same Step, comprising:
The setting parameter for obtaining above-mentioned current zoom camera lens, by the setting parameter synchronization of above-mentioned current zoom camera lens to above-mentioned Target zoom lens, wherein above-mentioned setting parameter includes at least one of exposure parameter and white balance parameter.
Before the Focussing to default focal length threshold value of current zoom camera lens, for example, the Focussing of current zoom camera lens Received reciprocal before the Focussing to default focal length threshold value of 0.1 second before to default focal length threshold value or current zoom camera lens Three frame video frames etc. (can be calculated) according to the adjustment speed of zoom lens, or be arrived in the Focussing of current zoom camera lens When a certain default focal length before default focal length threshold value, the setting parameter of current zoom camera lens is obtained.It includes exposure ginseng that parameter, which is arranged, At least one of several and white balance parameter can also include other and shoot related parameter, wherein exposure parameter includes: Electronic shutter parameter, gain parameter and aperture parameters.
In embodiments of the present invention, the setting parameter synchronization of current zoom camera lens can be subtracted into target zoom lens Before and after few Shot change, the difference of brightness of image and color helps to export smoothly switching for image.
Optionally, there is quadrangle image problem of different sizes when output pattern switching to reduce, need to varifocal mirror The TV distortion of head is corrected, comprising:
Step 1 measures above-mentioned current zoom camera lens and TV of the above-mentioned target zoom lens in above-mentioned object away under in advance Distortion obtains the first TV distortion and the 2nd TV distortion, wherein in above-mentioned current zoom camera lens and above-mentioned target zoom lens upper Object is stated in the TV distortion away under, distortion value is biggish to distort for above-mentioned first TV, and lesser distortion value is above-mentioned 2nd TV Distortion.
Step 2 carries out distortion correction to the corresponding zoom lens of above-mentioned first TV distortion, so that after the distortion correction TV distortion of the zoom lens in above-mentioned object away under, is less than default distortion error with the difference of above-mentioned 2nd TV distortion.
Default distortion error can be set according to actual needs, such as default distortion error is set as 0.5%, 0.4% or 0.3% etc..
Optionally, there are quadrangle brightness of image different problems when output pattern switching to reduce, need to varifocal mirror The relative luminance of head is corrected, comprising:
Step 1, measure in advance above-mentioned current zoom camera lens and above-mentioned target zoom lens above-mentioned object away under and Relative luminance under same image height obtains the first relative luminance and the second relative luminance, wherein in above-mentioned current zoom camera lens With above-mentioned target zoom lens in above-mentioned object away under and in the relative luminance under same image height, brightness value is biggish to be Above-mentioned first relative luminance, lesser brightness value is above-mentioned second relative luminance.
Step 2 carries out gamma correction to the corresponding zoom lens of above-mentioned second relative luminance, so that after the gamma correction Relative luminance of the zoom lens in above-mentioned object away under and under above-mentioned same image height, with above-mentioned first relative luminance Difference is less than predetermined luminance error.
Predetermined luminance error can be set according to actual needs, for example, predetermined luminance error be set as 5%, 4% or 3% etc..
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality With in novel protection scope.

Claims (8)

1. a kind of video camera, which is characterized in that the video camera includes:
Processor and a plurality of lenses mould group;
The lens module includes zoom lens and imaging sensor, the equivalent focal length model of zoom lens in each lens module Enclose difference;
Described image sensor is connected to the processor.
2. video camera according to claim 1, which is characterized in that the processor is system level chip SoC, multiple described Imaging sensor is connect with a SoC.
3. video camera according to claim 1 or 2, which is characterized in that the video camera further include:
Controller and multiple motors;
The controller is connect with each motor, wherein the controller controls described to motor transmission electric signal The operation or closing of motor;
The motor is connect with the zoom lens, wherein the motor drives the zoom lens to link when operating, to realize The zoom of the zoom lens and focusing.
4. video camera according to claim 3, which is characterized in that the controller includes micro-control unit and motor control Chip, the micro-control unit are connect with the motor control chip, and the micro-control unit is connected to the processor, described Motor control chip is connect with the motor.
5. video camera according to claim 1, which is characterized in that the zoom lens includes: zoom group, focusing group And aperture assemblies.
6. video camera according to claim 1, which is characterized in that the video camera includes two lens modules.
7. video camera according to claim 1, which is characterized in that the video camera includes three lens modules.
8. video camera according to claim 1, which is characterized in that the lens module in multiple lens modules is at least There are overlay regions with the equivalent focal length range of another lens module in multiple lens modules in addition to a lens module Between.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110536055A (en) * 2019-08-28 2019-12-03 北京拙河科技有限公司 A kind of video camera
CN112770041A (en) * 2019-11-05 2021-05-07 杭州海康威视数字技术股份有限公司 Image processing method for switching multiple zoom lenses and camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110536055A (en) * 2019-08-28 2019-12-03 北京拙河科技有限公司 A kind of video camera
CN112770041A (en) * 2019-11-05 2021-05-07 杭州海康威视数字技术股份有限公司 Image processing method for switching multiple zoom lenses and camera

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