CN206790590U - High-speed image sampling device - Google Patents
High-speed image sampling device Download PDFInfo
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- CN206790590U CN206790590U CN201720498169.3U CN201720498169U CN206790590U CN 206790590 U CN206790590 U CN 206790590U CN 201720498169 U CN201720498169 U CN 201720498169U CN 206790590 U CN206790590 U CN 206790590U
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Abstract
One high-speed image sampling device, including：One lens assembly；One acquisition component, wherein the acquisition component further comprises at least two imaging sensors；An and control assembly, wherein described acquisition component is communicatively connected with the control assembly, so that the acquisition component is controlled the collection for carrying out view data by the control assembly, wherein described control assembly controls the collecting work sequential of each described image sensor so that each described image sensor of the acquisition component is controlled in the collection period of described image sensor and triggered successively.
Description
Technical field
A kind of high-speed image sampling device is the utility model is related to, it is particularly a kind of that there is high frame frequency, high-resolution figure
As harvester.
Background technology
High-speed image sampling has become the research detection device of multi-field application, is currently the focus of each Corporation R ＆ D
Product.Especially high-speed camera has been widely used for military field, such as priming system action, shell transmitting, MISSILE LAUNCHING
Field, and space target analysis, such as space junk analysis, Space Particle Crash research.Should in addition, also having in scientific research field
With such as astronomical observation, lightning probing are studied.
But for traditional high-speed image sampling, frame frequency and resolution ratio can not get both.Because work as resolution ratio
When high, necessarily cause the reduction of frame frequency.But for some specific application environments, that is, high resolution ratio is needed, obtains mesh
The texture information that logo image becomes apparent from.Moreover, needing faster frame frequency simultaneously, the finer and smoother change rail of target is obtained
Mark.Traditional image capture device obviously can not meet the needs of high-end.
For IMAQ, mainly sensitive component, that is, necessarily working of bringing at work of sensor
Time.Especially for for high-speed camera, it is necessary to have time for exposure, transfer time and read access time.It is a kind of below to pass
The timing diagram of system image acquiring sensor.
As can be seen here, the time (Read-out time) of readout sequence is the key factor for restricting imaging sensor frame frequency.
In order to improve image output frame, that is, the readout sequence time is reduced, multichannel can be used and improve output
Pixel clock frequency two ways.At present, different enterprises are defeated using much channel communication in order to improve the frame frequency of imaging sensor
Go out.But much channel communication needs all to spend research and development energy on hardware and software, and accurate structure is for production
Also increase difficulty.
So, when imaging sensor is under its highest output pixel clock frequency, and full tunnel exports, can not still meet to appoint
During business demand, the high-speed image sampling equipment of single image Sensor Design is restricted.
Utility model content
A purpose of the present utility model is to provide a kind of high-speed image sampling device, particularly a kind of to have high frame
Frequently, high-resolution high-speed image sampling and processing unit.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, it include a lens assembly,
One acquisition component and a control assembly, coordinated by the lens assembly and the acquisition component and realize that high frame frequency gathers.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, and the lens assembly uses rib
The optical design of mirror light splitting, ensures there is high resolution ratio while high frame frequency.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, the acquisition component with it is described
Control assembly is mutually communicatively coupled, and the control assembly will control the acquisition component to work, and by the acquisition component
Image procossing, storage and the communication of collection.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, and the acquisition component uses more
Individual imaging sensor, control is acquired using the control assembly so that the work of the acquisition component collection view data
It is distribution accurately controlled.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, and the acquisition component is described
Control assembly control carries out IMAQ with certain sequential, keeps each imaging sensor to be carried in the case where frame frequency works
The frame frequency that height integrally gathers.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, and the acquisition component will be with height
Frame frequency gathers view data, and the control assembly can in real time store and propose processing for further analysis.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, and the acquisition component ensures to adopt
Collection view data has high-resolution, and view data is transmitted by the control assembly when needed.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, the lens assembly and described
Acquisition component connects corresponding to mutually so that overall structure is clear, and production difficulty is low.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, and the control assembly can root
According to the frame frequency of needs, the acquisition component is controlled, and then obtains the image of demand frame frequency.
Another purpose of the present utility model is to provide a kind of high-speed image sampling device, by the lens assembly,
The control assembly and the acquisition component are in turn connected so that the high-speed image sampling apparatus structure is compact, is having
Have it is high performance simultaneously, resulting structure Relatively centralized.
According to one side of the present utility model, the utility model further provides for a high-speed image sampling device, including：
One lens assembly, wherein optical design of the lens assembly using light splitting；
One acquisition component；And
One control assembly, wherein the lens assembly is accordingly set with the acquisition component, wherein the collection
Component is communicatively connected with the control assembly so that the acquisition component is controlled by the control assembly and carries out view data
Collection, so as to the acquisition component pass through the lens assembly gather view data.
According to one embodiment of the present utility model, the collecting work of the acquisition component is by the control assembly control
System so that the collecting work of the acquisition component has certain high frame frequency.
According to one embodiment of the present utility model, the control assembly is carried out by trigger signal to the acquisition component
Control.
According to one embodiment of the present utility model, the view data collected is reached the control by the acquisition component
Component, to be stored, handled and communication operation.
According to one embodiment of the present utility model, before the lens assembly further comprises one, object lens and a prism be wherein
The preceding object lens are placed on the thing side of the prism so that the light that the preceding object lens receive reaches the prism, the rib
Light is divided by mirror, and then the light being split is gathered by the acquisition component.
According to one embodiment of the present utility model, the lens assembly further comprise an at least speculum and with it is described
Speculum it is corresponding at least one after object lens, wherein the speculum and it is described after object lens it is corresponding with the faceted pebble of the prism
Set so that guided by the light of prismatic decomposition by the speculum and the rear object lens to the acquisition component.
According to one embodiment of the present utility model, the acquisition component further comprises at least one imaging sensor,
Wherein each described image sensor receives the light of the lens assembly light splitting, and gathers light and obtain view data.
According to one embodiment of the present utility model, the acquisition component further comprises at least one imaging sensor,
Wherein each described image sensor receives the light of the lens assembly light splitting, and gathers light and obtain view data.
According to one embodiment of the present utility model, each described image sensor is placed in each of the lens assembly
The image side of object lens after described.
According to one embodiment of the present utility model, each described image sensor is divided to the corresponding prism
Light is acquired view data.
According to one embodiment of the present utility model, the prism is 16 prisms.
According to one embodiment of the present utility model, each described image sensor uses single chip CMOS image sensor.
According to one embodiment of the present utility model, when controlling the control of described image sensor by the control assembly
Sequence, the described image sensor that staggers triggering sequential so that the described image sensor of the acquisition component carries out the figure of high frame frequency
As data acquisition.
According to one embodiment of the present utility model, the control assembly selects the collection group according to certain high frame frequency
The working quantity and control sequential of the described image sensor of part.
According to one embodiment of the present utility model, the control assembly further comprises that a control unit, a processing are single
Member, a storage element and a communication unit, wherein the described control unit of the control assembly, the processing unit, described
Storage element and the communication unit are mutually communicatively connected, wherein described control unit and each acquisition component
Described image sensor connection, to control the collecting work of described image sensor.
According to one embodiment of the present utility model, the processing unit is connected to the described of each acquisition component
Imaging sensor, view data reading and processing will be carried out to each described image sensor of the acquisition component.
According to one embodiment of the present utility model, described control unit is adopted according to certain high frame frequency determines control
Collect the working quantity and control sequential of the described image sensor of component.
According to one embodiment of the present utility model, the storage element is to the view data after the processing unit processes
Stored, the communication unit is when needed communicated view data to outside.
According to one embodiment of the present utility model, the storage element uses DDR3 holders.
According to one embodiment of the present utility model, the communication unit uses gigabit ethernet interface, to gather
And the view data handled is to external communication.
According to one side of the present utility model, the utility model further provides for a high-speed image sampling device, its feature
It is, including：
One lens assembly；
One acquisition component, wherein the acquisition component further comprises at least two imaging sensors；And
One control assembly, wherein the acquisition component is communicatively connected with the control assembly so that the collection
Component is controlled the collection for carrying out view data by the control assembly, wherein the control assembly controls each described image sensing
The collecting work sequential of device so that each described image sensor of the acquisition component is controlled in described image sensor
Triggered successively in collection period.
According to one embodiment of the present utility model, the trigger interval time between described image sensor is identical.
According to one embodiment of the present utility model, object lens and a prism before the lens assembly further comprises one, its
Described in preceding object lens be placed on the thing side of the prism so that the light that the preceding object lens receive reaches the prism, described
Light is divided by prism, and then the light being split is gathered by the acquisition component.
According to one embodiment of the present utility model, the lens assembly further comprise an at least speculum and with it is described
Speculum it is corresponding at least one after object lens, wherein the speculum and it is described after object lens it is corresponding with the faceted pebble of the prism
Set so that guided by the light of prismatic decomposition by the speculum and the rear object lens to the acquisition component.
According to one embodiment of the present utility model, each described image sensor is placed in each of the lens assembly
The image side of object lens after described, wherein the light that each described image sensor is divided to the corresponding prism is acquired figure
As data.
According to one embodiment of the present utility model, the high-speed image sampling device further comprises storage assembly, institute
State acquisition component to be communicatively connected with the control assembly, store at least two imaging sensor sequentially in time and adopt
The view data of collection.
According to one embodiment of the present utility model, the control assembly selects the acquisition component according to certain frame frequency
The working quantity of the working quantity of described image sensor, wherein described image sensor is z, and its calculation formula isWherein z is integer more than or equal to 2, and demand frame frequency is x frames/s, the highest of each described image sensor
Frame frequency is y frames/s.
According to one embodiment of the present utility model, frame frequency determines the acquisition component to the control assembly according to demand
The triggered time interval t of described image sensorinterval, wherein
According to one embodiment of the present utility model, according to interval time tintervalWith time for exposure texposure, the control
Component processed determines the collecting work sequential of described image sensor, and the time for exposure is that outside exposure time series rising edge touches with frame
Send out the time between sequential rising edge.
According to one embodiment of the present utility model, time for exposure texposureLess than interval time tinterval。
Brief description of the drawings
Fig. 1 is the overall schematic according to the high-speed image sampling device of a preferred embodiment of the present utility model.
Fig. 2 is illustrated according to the internal structure of the high-speed image sampling device of a preferred embodiment of the present utility model
Figure.
Fig. 3 is the lens assembly according to the high-speed image sampling device of a preferred embodiment of the present utility model
Side schematic view.
Fig. 4 is the lens assembly according to the high-speed image sampling device of a preferred embodiment of the present utility model
Front schematic view.
Fig. 5 is the piecemeal schematic diagram according to the high-speed image sampling device of a preferred embodiment of the present utility model.
Fig. 6 is the specific schematic diagram according to the high-speed image sampling device of a preferred embodiment of the present utility model.
Embodiment
Describe to be used to disclose the utility model so that those skilled in the art can realize the utility model below.Retouch below
Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.Retouched following
The general principle of the present utility model defined in stating can apply to other embodiments, deformation program, improvement project, etc. Tongfang
Case and the other technologies scheme without departing from spirit and scope of the present utility model.
It will be understood by those skilled in the art that in exposure of the present utility model, term " longitudinal direction ", " transverse direction ", " on ",
" under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the orientation or position of the instruction such as " outer "
Relation is to be based on orientation shown in the drawings or position relationship, and it is for only for ease of description the utility model and simplified and describes, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
Above-mentioned term is it is not intended that to limitation of the present utility model.
It is understood that term " one " be interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is no
It is understood that as the limitation to quantity.
The utility model provides a kind of high-speed image sampling device, and specific preferred embodiment is set forth in Fig. 1 to Fig. 6.
Originally the high-speed image sampling device in being preferable to carry out, including a lens assembly 10, an acquisition component 20 and a control group
Part 30, wherein the lens assembly 10 is accordingly set with the acquisition component 20, wherein the acquisition component 20 and institute
State control assembly 30 communicatively to be connected so that the acquisition component 20 is controlled by the control assembly 30 and carries out view data
Collection, so as to which the acquisition component 20 gathers view data by the lens assembly 10.It is noted that the lens group
Part 10 is using the optical design being divided so that the acquisition component 20 can realize high-resolution IMAQ and reach described
Control assembly 30, and then the control assembly 30 such as is stored, analyzed and communicated at the operation to view data.It is in addition, described
Control assembly 30 will be controlled to the collecting work of the acquisition component 20 so that the collecting work tool of the acquisition component 20
There is high frame frequency, to meet the needs of high-speed image sampling.The entirety of the high-speed image sampling device of this preferred embodiment is shown
It is intended to as shown in Figure 1.
In this preferred embodiment, the high-speed image sampling device is applicable to high frame frequency and high-resolution is provided simultaneously with
Image capture environment.The problem of can not unifying to improve to frame frequency and resolution ratio in conventional art to break through, originally it is preferable to carry out
Example employs the lens assembly 10 and the acquisition component 20 and is mutually arranged in correspondence with, to be adopted at high speed to same object plane
Collection, in the case where not reducing the resolution ratio of the acquisition component 20, realizes high-resolution collection.Also, the control group
Part 30 is controlled to the collecting work of the acquisition component 20 so that the acquisition component 20 is according to demand for control with high frame frequency
Carry out the collection of view data.More specifically, the control assembly 30 by the acquisition component 20 gather sequential control,
So that the acquisition component 20 is accurately controlled to collect the view data of high frame frequency.Preferably, the control assembly 30
The acquisition component 20 is controlled by trigger signal, to trigger the collecting work of the acquisition component 20.That is,
The control assembly 30 is controlled to the triggering sequential of the acquisition component 20 so that the acquisition component 20 is with certain height
Frame frequency carries out the collection of view data.Certainly, the acquisition component 20 can keep the acquisition component 20 while collection
Resolution ratio, then the acquisition component 20 can be to collect high-resolution view data from high-resolution device.
Preferably, the control assembly 30 controls the work of the acquisition component 20 by electronic signal, and the acquisition component 20 will
The view data collected reaches the control assembly 30 and is stored, handled and communicated etc. operation.Certainly, enumerate here
Storage, processing and communication etc. operation may be permuted and select, arranged according to the operation of view data requirement.Can
To be appreciated that, the lens assembly 10, the acquisition component 20 and the control assembly 30 are that collaboration is completed to picture number
According to collection, and after the lens assembly 10, the acquisition component 20 and the control assembly 30, view data
With high frame frequency and high-resolution.
In addition, frame frequency according to demand, the control assembly 30 can control the acquisition component 20 according to demand
Gather frame frequency.That is, the frame frequency of frame frequency and the acquisition component 20 is adjusted according to demand.Specifically, the control
Frame frequency adjusts triggering sequential of the component 30 to the acquisition component 20 according to demand so that the acquisition component 20 is as desired
Frame frequency works.For the view data collected, the control assembly 30 will do real-time storage.Because high frame frequency and high-resolution
The storage capacity of view data can be very big, the control assembly 30 also does appropriate processing to view data.Moreover, the control
The view data that the acquisition component 20 is collected is transmitted by component 30, can be entered by communicating view data
The analysis and utilization of one step.Therefore, the high-speed image sampling device can complete from gather, handle, be stored into communication etc.
Operation to view data.
The internal structure of the high-speed image sampling device of this preferred embodiment is as shown in Figure 2.The lens assembly 10
In turn placed with the acquisition component 20 so that the acquisition component 20 gathers the figure of object plane by the lens assembly 10
As data.The control assembly 30 is communicatively connected in a network in the acquisition component 20, and so described control assembly 30 can be right
The collecting work of the acquisition component 20 is controlled, and the view data that the acquisition component 20 collects is by the control
Component 30 is received and further operated.It should be understood by those skilled in the art that the optics of the lens assembly 10 is set
Meter is arranged in correspondence with the acquisition component 20, so that the acquisition component 20 can gather high-resolution picture number
According to.In addition, though acquisition component 20 described in this preferred embodiment and the control assembly 30 are in turn placed, but described adopt
Collection component 20 and the position relationship of the control assembly 30 have no effect on the technical characteristics of the utility model.In this preferred embodiment
Other Feasible Mode in, the control assembly 30 is fixed integrally to the acquisition component 20, to facilitate the control group
Part 30 mutually communicates with the acquisition component 20.
More, the structural representation of the lens assembly 10 is as shown in Figure 3.The lens assembly 10 further comprises one
Object lens 14 after preceding object lens 11, a prism 12, an at least speculum 13 and corresponding with the speculum 13 at least one.It is described
Preceding object lens 11 are placed on the front of the prism 12 so that the preceding object lens 11 receive the light that an object plane A is sent and reached
The prism 12.The light of the object plane A is divided by the prism 12.The speculum 13 be placed in the prism 12 with
After described between object lens 14 so that the light separated by the prism 12 is reflected onto the rear object lens 14, and by the rear thing
Mirror 14 receives.It is noted that the prism 12 is polygon prism, the faceted pebble of the speculum 13 and the prism 12 is mutually right
Should.That is, after the preceding object lens 11 and the prism 12, the light of the object plane A is split.What is be split is described
Object plane A light all keeps complete per a, and has and keep high-resolution.The light reflected by the speculum 13 is described
Object lens 14 receive and are directed to the acquisition component 20 afterwards.
In this preferred embodiment, the light by the object plane A of the preceding object lens 11 is divided by the prism 12,
So as to which the lens assembly 10 can carry out light-splitting processing.Light splitting design of the lens assembly 10 for the object plane A is main
Dependent on the structure of prism 12.The light being split is reached follow-up eyeglass by the prism 12, until the acquisition component 20.
In order to reduce the volume of the lens assembly 10, light is guided using the speculum 13 in this preferred embodiment, then
The light divided is gone into the acquisition component 20 by the rear object lens 14.Light splitting and the speculum by the prism 12
13 with it is described after object lens 14 guiding, the acquisition component 20 can collect every part of thing be split, high-resolution
Face A light.And then the acquisition component 20 can collect the view data of the object plane A, and it is according to the collection
The high-resolution view data that the performance of component 20 can collect.It is noted that the prism 12 is average light splitting
, that is to say, that the performance of every part the be split image of the object plane A is all consistent.Those skilled in the art can manage
Solution, in order to which the light that the preceding object lens 11 receive averagely is divided by the prism 12, the prism 12 and the preceding object lens
11 are coaxially set.More, the focus of the prism 12 and the preceding object lens 11 is all coaxially to be set.This is excellent
Select in embodiment, the speculum 13 and the rear object lens 14 guide the light being split to the acquisition component 20.It is preferred that
Ground, the speculum 13 are placed vertically by relative focal axis, in order to fully reflex to the light that the prism 12 separates
Object lens 14 after described.And it is described after object lens 14 in order to be efficiently received the light divide, it is described after object lens 14 focal axis and
The focal axis of the preceding object lens 11 is parallel.So, the light that the acquisition component 20 intactly, effectively can be split to every part
Line is acquired.
In another feasible pattern of this preferred embodiment, in the case where volume does not limit, it can save described anti-
Penetrate mirror 13.The light being split is guided by the rear object lens 14.The acquisition component 20 also correspondingly carries out position
Adjustment, but still to be carried out with the rear object lens 14 corresponding so that the light guided the rear object lens 14 is acquired.It is excellent
Selection of land, the rear object lens 14 carry out certain adjustment and filtering to light so that the acquisition component 20 can realize high-resolution
The IMAQ of rate simultaneously reaches the control assembly 30.
Preferably, as shown in figure 4, the prism 12 in this preferred embodiment is 16 prisms.Correspondingly, the reflection
Mirror 13 and the rear object lens 14 are respectively 16.That is, it is divided into by the light of the preceding object lens 11 by the prism 12
Ten six directions are divided.Corresponding to each faceted pebble of the prism 12, the speculum 13 and it is described after object lens 14 by according to
Secondary placement.Every part is all independently to be directed to the acquisition component 20 by the light that the prism 12 is divided, and is high frame frequency
Collection provides architecture basics.Moreover, every part is all complete, property identical by the light that the prism 12 is divided.Every part of light
Line by the speculum 13 and it is described after the guiding of object lens 14 gathered by the acquisition component 20.That is, every part by institute
Prism 12 is stated to be divided, by the speculum 13 and it is described after the light of guiding of object lens 14 there is no substantial difference.Need
Illustrate, the shape and rib number of the prism 12 can frame frequency as needed be adjusted, it is described in the case of needs
Prism 12 can be six prisms, ten prisms, 12 prisms, 20 prisms etc..In this preferred embodiment, it is with the prism 12
16 prisms are done to explain and illustrate.
The acquisition component 20 in this preferred embodiment further comprises at least one imaging sensor 200, wherein often
Individual described image sensor 200 receives the light that the lens assembly 10 guides, and gathers light and obtain view data.Each institute
It is photo-electric conversion element to state imaging sensor 200, and each described image sensor 200 is placed in the picture of the lens assembly 10
Side.More specifically, each described image sensor 200 is placed in the picture of each rear object lens 14 of the lens assembly 10
Side.That is, the setting that each described image sensor 200 is corresponding with the rear object lens 14.Each described image sensing
The light that object lens 14 guide described afterwards is acquired by device 200, so as to obtain the picture number that accordingly the rear object lens 14 guide
According to.Therefore, the light of the object plane A, by the collection of the preceding object lens 11, the light splitting of the prism 12, and the reflection
The guiding of mirror 13 and the rear object lens 14, is gathered by each described image sensor 200 of the acquisition component 20.Namely
Say, each described image sensor 200 gathers the every part of light for the object plane A being divided by the prism 12.Each figure
As sensor 200 gathers the view data that light switchs to it object plane A.According to the performance of described image sensor 200,
Each described image sensor 200 can ensure to collect high-resolution view data.It is each described in this preferred embodiment
Imaging sensor 200 preferably uses single chip CMOS image sensor, and uses high-resolution cmos image sensor, ensures institute
State acquisition component 20 and collect high-resolution view data.According to 16 faceted pebbles of the prism 12 of the lens assembly 10
Design, the acquisition component 20 use 16 described image sensors 200.Each described image sensor 200 is to corresponding
The light that the prism 12 is divided is acquired view data.That is, the light being divided by the prism 12 passes through phase
The speculum 13 and the rear object lens 14 answered, are finally gathered by corresponding described image sensor 200.Each figure
Separated light is divided as sensor 200 correspondingly gathers the prism 12, because the light that the prism 12 separates has been
It is whole, high resolution, so described image sensor 200 gathers the light separated by the prism 12 of the camera lens 10 and had
There is high-resolution.Also, all described image sensors 200 in this preferred embodiment can collect complete image simultaneously
Data, the light being divided using the prism 12 of the lens assembly 10 can collect complete view data simultaneously.That
By controlling the control sequential of described image sensor 200, the described image sensor that staggers 200 triggers sequential so that described
The described image sensor 200 of acquisition component 20 can carry out the image data acquiring of high frame frequency.Frame frequency as needed, it is determined that
How many individual described image sensors 200 are needed to be acquired work.Specifically, the control assembly 30 is dynamic to needing to be acquired
The collecting work of the described image sensor 200 of work is controlled.The trigger collection of described image sensor 200 is by the control
Component 30 is controlled, and the collection of described image sensor 200, which is read, is read by the control assembly 30 and handled, stores up
The operation such as deposit, communicate.
As shown in figure 5, the control assembly 30 in this preferred embodiment further comprises that a control unit 31, one is handled
Unit 32, a storage element 33 and a communication unit 34.The described control unit 31 of the control assembly 30, the processing are single
Member 32, the storage element 33 and the communication unit 34 mutually communicatively connect, wherein described control unit 31 with often
The described image sensor 200 of the individual acquisition component 20 connects, to control the collecting work of described image sensor 200.Institute
The described image sensor 200 that processing unit 32 is stated with each acquisition component 20 is connected, by the acquisition component 20
Each described image sensor 200 carries out view data reading and processing.The storage element 33 to the processing unit 32 at
View data after reason is stored.Preferably, described image sensor 200 gathers high-resolution view data, collects
View data be possible to very big, then the storage element 33 is preferably by DDR3 holders.The communication unit 34 can
So that view data to be communicated to outside when needed.Preferably for the view data of big data quantity, the communication unit
34 use gigabit ethernet interface, so that the view data that will gather and handle is to external communication.Therefore, such as Fig. 5 structure institute
Show, the lens assembly 10 is corresponding with the acquisition component 20 to be connected, and the control assembly 30 can with the acquisition component 20
Communicatively connect so that the control assembly 30 control the acquisition component 20 collect via the lens assembly 10 light splitting and
Light after guiding is simultaneously handled, stored, being communicated etc. operation, so as to realize high-resolution, high frame frequency IMAQ.Institute
The frame frequency as needed of control assembly 30 is stated to control the described image sensor 200 of the corresponding acquisition component 20.Specifically
Ground, determine that described control unit 31 controls the method for the sequential of described image sensor 200 to be：
Step 1：Determine the resolution ratio of demand frame frequency and demand；
Demand frame frequency resolution ratio is m × n, and the frame frequency of demand is x frames/s.
Step 2：According to highest frame frequency of each described image sensor 200 under the resolution ratio, it is determined that needing the figure
As the number of sensor 200；
For monolithic described image sensor 200 when resolution ratio is m × n, highest frame frequency is y frames/s
The quantity of described image sensor 200 needed is：
Wherein：X is demand frame frequency；Y is highest frame frequency of the monolithic described image sensor 200 when resolution ratio is m × n.
Z is the quantity for needing described image sensor 200.
Step 3：Frame frequency as requested calculates the frame requesting interval time (relative position)；
Because demand frame frequency is x frames/s, therefore, the interval time of each frame.
Neighbouring described image sensor frame request sequential (Frame_REQ) rising edge interval time is the time.Such as the
A piece of described image sensor frame request sequential (Frame_REQ) rising edge and second described image sensor frame request sequential
(Frame_REQ) rising time is at intervals of tinterval；Second Frame_REQ rising edge and the 3rd Frame_REQ rise
It is t along time intervalinterval；The like.
Step 4：Design time for exposure and frame request sequential；
Time for exposure is the time between outside exposure time series (T_EXP) rising edge and frame request sequential (Frame_REQ)
texposure.The time for exposure all same of 16 described image sensors 200.
Remarks：In order to prevent picture from having coincidence phenomenon, it is desirable to time for exposure texposureLess than interval time tinterval。
Step 5：The sequential designed according to step 3 and step 5, complete SECO design.
Specifically, described control unit 31 is by the collecting work of the described image sensor 200 of the acquisition component 20
It is controlled.Preferably, described control unit 31 controls the triggering sequential of each described image sensor 200 so that Mei Gesuo
State and be acquired according to certain frame frequency between imaging sensor 200.In this preferred embodiment, described image sensor 200 is
16, then the frame frequency of described control unit 31 as requested, it is determined that needing how many individual described image sensors 200 to be adopted
Collect work, and in turn trigger described image sensor 200 so that frame frequency carries out picture number to the acquisition component 20 as requested
According to collection.Such as demand frame frequency is x frames/s, and each described image sensor 200, highest frame frequency is y frames/s, then is needed
The quantity of described image sensor 200 be：Z is the quantity for needing described image sensor 200.The figure
As sensor 200 by the lens assembly 10 gathers view data.The prism 12 of the lens assembly 10 will pass through
The light of the preceding object lens 11 is divided.Each described image sensor 200 correspondingly gathers the prism 12 and divided
The light gone out, because the light that the prism 12 separates is complete, high resolution, so described image sensor 200 is adopted
Collection has high-resolution by the light that the prism 12 of the camera lens 10 separates.Because each described image sensor 200 can
To gather the corresponding light separated by the prism 12, so the frame frequency when described control unit 31 as requested is triggered
During described image sensor 200, described image sensor 200 can be acquired according to frame frequency.All imaging sensors 200
It is acquired simultaneously by control, frame frequency as requested is triggered.Prism 12 described in this preferred embodiment uses 16 ribs
Mirror, and correspondingly described image sensor 200 has 16.When needing whole described image sensors 200 to work, the control
The sequential that unit 31 processed is controlled for described image sensor 200 is preferably：
So described control unit 31 in turn triggers described image sensor 200 according to frame frequency so that the collection group
The described image sensor 200 of part 20 as requested frame frequency carry out view data collection.
The overall structure of this preferred embodiment is as shown in Figure 6.The lens assembly 10 is using the optical design being divided so that
The acquisition component 20 can realize high-resolution IMAQ and reach the control assembly 30, and then the control assembly
30 pairs of view data such as are stored, analyzed and communicated at the operation.In addition, the control assembly 30 will be to the acquisition component 20
Collecting work be controlled so that the collecting work of the acquisition component 20 has high frame frequency, to meet high-speed image sampling
Needs.The preceding object lens 11 receive the light that an object plane A is sent and reach the prism 12.The prism 12 is by the object plane
A light is divided.The speculum 13 is placed between the prism 12 and the rear object lens 14 so that by the prism
12 light separated are reflected onto the rear object lens 14, and are received by the rear object lens 14.The light for the object plane A being split
All keep complete per a, and have and keep high-resolution.Connect by the light that the speculum 13 reflects by the rear object lens 14
Receive and be directed to the acquisition component 20.Therefore, the light of the object plane A, by the collection of the preceding object lens 11, the rib
The light splitting of mirror 12, and the guiding of the speculum 13 and the rear object lens 14, by each figure of the acquisition component 20
As sensor 200 gathers.That is, each described image sensor 200 gathers the object plane A being divided by the prism 12
Every part of light.
Described control unit 31 is connected with the described image sensor 200 of each acquisition component 20, with described in control
The collecting work of imaging sensor 200.The described image sensor 200 of the processing unit 32 and each acquisition component 20
Connection, will carry out view data reading and processing to each described image sensor 200 of the acquisition component 20.The storage
Unit 33 stores to the view data after the processing unit 32 processing.Preferably, described image sensor 200 gathers height
The view data of resolution ratio, the view data collected are possible to very big, then the storage element 33 is preferably by DDR3
Holder.The communication unit 34 when needed can be communicated view data to outside.Preferably for big data quantity
View data, the communication unit 34 uses gigabit ethernet interface, so that the view data that will gather and handle is to outside
Communication.Specifically, it is determined that the frame frequency and resolution ratio of demand, such as demand frame frequency resolution ratio is m × n, the frame frequency of demand for x frames/
s.According to highest frame frequency of each described image sensor 200 under the resolution ratio, it is determined that needing described image sensor 200
How many described image sensor 200 are selected to control according to the number of described image sensor 200 for number, described control unit 31
It is acquired work.Such as monolithic described image sensor 200, when resolution ratio is m × n, highest frame frequency is y frames/s, then need
The quantity of described image sensor 200 wanted is：Z is the quantity for needing described image sensor 200.According to
It is required that frame frequency calculates the frame requesting interval time (relative position)；Because demand frame frequency is x frames/s, therefore, during the interval of each frame
BetweenNeighbouring described image sensor frame request sequential (Frame_REQ) rising edge interval time is the time.Than
Such as, first described image sensor frame request sequential (Frame_REQ) rising edge and second described image sensor frame please
Sequential (Frame_REQ) rising time is sought at intervals of tinterval；Second Frame_REQ rising edge and the 3rd Frame_
REQ rising times are at intervals of tinterval；The like.Time for exposure is that outside exposure time series (T_EXP) rising edge please with frame
Seek the time t between sequential (Frame_REQ)exposure.The time for exposure all same of 16 described image sensors 200.Especially
Ground, in order to prevent picture from having coincidence phenomenon, it is desirable to time for exposure texposureLess than interval time tinterval.It is that is, described
The frame frequency as needed of control assembly 30 and resolution ratio control the described image sensor of the corresponding acquisition component 20
200.Connected by the way that the lens assembly 10 is corresponding with the acquisition component 20, the control assembly 30 and the acquisition component
20 communicatively connect so that the control assembly 30 controls the acquisition component 20 to collect via the lens assembly 10 to divide
Light after light and guiding is simultaneously handled, stored, communicate etc. and operated, and so as to realize high-resolution, the image of high frame frequency adopts
Collection.
It should be understood by those skilled in the art that the embodiment of the present utility model shown in foregoing description and accompanying drawing is only used as
Illustrate and be not intended to limit the utility model.The purpose of this utility model completely and effectively realizes.Work(of the present utility model
Energy and structural principle show and illustrated in embodiment, under without departing from the principle, embodiment of the present utility model
Can there are any deformation or modification.
Claims (10)
- A 1. high-speed image sampling device, it is characterised in that including：One lens assembly；One acquisition component, wherein the acquisition component further comprises at least two imaging sensors；AndOne control assembly, wherein the acquisition component is communicatively connected with the control assembly so that the acquisition component The collection for carrying out view data is controlled by the control assembly, wherein the control assembly controls each described image sensor Collecting work sequential so that each described image sensor of the acquisition component is controlled in the collection of described image sensor Triggered successively in cycle.
- 2. high-speed image sampling device according to claim 1, during trigger interval wherein between described image sensor Between be identical.
- 3. high-speed image sampling device according to claim 1, wherein the lens assembly further comprise one before object lens With a prism, wherein the preceding object lens are placed on the thing side of the prism so that the light that the preceding object lens receive reaches institute Prism is stated, light is divided by the prism, and then the light being split is gathered by the acquisition component.
- 4. high-speed image sampling device according to claim 3, wherein the lens assembly further comprises that at least one is anti- Penetrate object lens after mirror and corresponding with the speculum at least one, wherein the speculum and it is described after object lens and the prism The corresponding setting of faceted pebble so that guided by the light of prismatic decomposition by the speculum and the rear object lens to the collection group Part.
- 5. high-speed image sampling device according to claim 4, wherein each described image sensor is placed in the mirror The image side of each rear object lens of head assembly, wherein the light that each described image sensor is divided to the corresponding prism Line is acquired view data.
- 6. the high-speed image sampling device described in claim 2, wherein, the high-speed image sampling device further comprises storing Component, the acquisition component are communicatively connected with the control assembly, store at least two image sequentially in time The view data of sensor collection.
- 7. high-speed image sampling device according to claim 2, wherein the control assembly selects institute according to certain frame frequency The working quantity of the described image sensor of acquisition component is stated, the wherein working quantity of described image sensor is z, and it calculates public Formula isWherein z is the integer more than or equal to 2, and demand frame frequency is x frames/s, each described image sensor Highest frame frequency is y frames/s.
- 8. high-speed image sampling device according to claim 7, wherein frame frequency determines institute to the control assembly according to demand State the triggered time interval t of the described image sensor of acquisition componentinterval, wherein
- 9. high-speed image sampling device according to claim 8, wherein according to interval time tintervalAnd the time for exposure texposure, the control assembly determines the collecting work sequential of described image sensor, when the time for exposure exposes for outside Time between sequence rising edge and frame triggering sequential rising edge.
- 10. according to the high-speed image sampling device described in claim 8 or 9, wherein time for exposure texposureDuring less than interval Between tinterval。
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