CN212804985U

CN212804985U - Multi-view image acquisition device

Info

Publication number: CN212804985U
Application number: CN202021741286.6U
Authority: CN
Inventors: 叶田; 李勇; 王荣喜
Original assignee: Suzhou Zhenzhi Jinggong Technology Co Ltd
Current assignee: Suzhou Zhenzhi Jinggong Technology Co Ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-26
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a multi-view image acquisition device, including the support that has the sample platform, be located one side of sample platform, multi-view image acquisition device still is provided with camera device and lighting device, camera device includes a plurality of camera link that mutually support have microscler main part I and set up the camera on the camera link at the extending direction activity of main part I, lighting device includes a plurality of illumination link that mutually support have microscler main part II and set up the light source on the illumination link at the extending direction activity of main part II, camera link and illumination link set up side by side. The utility model discloses an acquisition device through the adjustable structure that sets up, has realized carrying out camera device and lighting mechanism from a plurality of angles that need and has arranged, carries out the image data acquisition discernment of multi-angle, can reach multiunit data acquisition, and the image data of comprehensive discernment collection object.

Description

Multi-view image acquisition device

Technical Field

The utility model belongs to the technical field of on-line monitoring, image recognition's multi-view image acquisition device, concretely relates to multi-view image acquisition device.

Background

At present, a single-angle image acquisition device is mostly adopted in the market, a camera device and an illumination mechanism are placed in the vertical direction of an identification object, and single-angle identification is carried out on the identification object, so that an identification image is obtained. The mode identification mode is single, only one group of identification data can be obtained, and multi-view data acquisition cannot be carried out on other angles of an identification object, so that misjudgment and missing discs in visual identification can be caused, and the final identification data comparison is influenced.

Disclosure of Invention

An object of the utility model is to provide a multi-view image acquisition device to camera device and lighting device, through the adjustable structure that sets up for the relative position of light source and camera can be adjusted on adjusting track, has realized carrying out camera device and lighting mechanism from a plurality of angles that need and has arranged, carries out the image data acquisition discernment of multi-angle, can reach multiunit data acquisition, and the image data of comprehensive discernment collection object.

The utility model discloses a multi-view image acquisition device, which comprises a bracket with a sample platform, is positioned at one side of the sample platform, and is also provided with a camera device and a lighting device, wherein the camera device comprises a plurality of mutually matched camera connecting frames with long shape (the long shape refers to that an object is placed in the space range of a three-dimensional coordinate system, the length in one axial direction is larger than the lengths in other two axial directions, the same is true below) and a camera movably arranged on the camera connecting frames in the extending direction of the main body I (the lens orientation of the camera and the irradiating direction of a light source are both directed to the sample platform, which is necessary internal requirement, otherwise, the light source light supplementing and shooting function can not be realized), the lighting device comprises a plurality of mutually matched lighting connecting frames with long shape of the main body II and a light source movably arranged on the lighting connecting frames in the extending direction of the main body II, the camera connecting frame and the lighting connecting frame are arranged in parallel.

The utility model discloses a multi-view image acquisition device's an improvement, camera link and illumination link parallel arrangement.

The utility model discloses a multi-view image acquisition device's an improvement, camera link at least part is curved, and the illumination link at least part is curved.

The utility model discloses a multi-view image acquisition device's an improvement, the camera link is curved, and the illumination link is curved.

The utility model discloses a multi-view image acquisition device's an improvement, camera link are still including setting up the camera frame on the main part I, have the limited groove I that sets up along I extending direction in main part on the main part I, are provided with on the camera frame with I matched with retaining member I in limited groove, and the camera sets up the camera frame.

The utility model discloses a multi-view image acquisition device's an improvement has in the main part I along the I extending direction of main part setting limit groove I have a plurality of.

The utility model discloses a multi-view image acquisition device's an improvement, when having the restriction groove I that sets up along I extending direction of main part on the main part I and having many, be parallel to each other between the restriction groove I.

The utility model discloses a multi-view image acquisition device's an improvement, lighting connection frame still has along II extending direction of main part along the limited groove II that sets up on the main part II including setting up the light source seat on the main part II, is provided with on the light source seat and limits II matched with retaining member II in groove, and the light source sets up the light source seat.

The utility model discloses a multi-view image acquisition device's an improvement, main part II is gone up to have along II extending direction of main part setting limit groove II have a plurality of.

The utility model discloses a multi-view image acquisition device's an improvement, main part II is last to have along II extending direction of main part set up limit groove II when having many, and it is parallel to each other between the limit groove II.

This scheme provides a multi-view image acquisition device, can carry out camera device and lighting mechanism to discernment object from a plurality of angles that need and arrange at certain angle within range, carries out the image data collection discernment of multi-angle, further reaches multiunit data contrast, the image data of the object of overall discernment collection.

Compared with the prior art, the utility model provides a pair of multi-view image acquisition device's beneficial effect lies in: the camera device and the illuminating mechanism are placed on the two concentric circular rails, so that the arrangement of the camera device and the illuminating mechanism can be carried out from a plurality of required angles aiming at an identified object within a certain angle range without being limited by a single image acquisition mechanism, the working efficiency is finally improved, the manufacturing cost of the whole device is saved, and the assembly and debugging cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of an embodiment of a multi-view image capturing device according to the present application;

fig. 2 is a front view of the embodiment of fig. 1.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

The utility model discloses a multi-view image acquisition device, an embodiment thereof, including the support that has the sample platform, the product or the sample that is used for gathering the image is placed or is fixed on the sample platform, here in order to satisfy the needs of image acquisition, be located one side of sample platform, multi-view image acquisition device still is provided with the camera device that is used for taking a picture and the lighting device that is used for providing the illumination to product/sample when needs, the camera device includes the camera link that has elongated main part I and sets up the camera on the camera link movably in the extending direction of main part I, that is to say the camera can carry out position adjustment on main part I this moment, lighting device includes the illumination link that has elongated main part II and sets up the light source on the illumination link movably in the extending direction of main part II, that is to say the light source can carry out position adjustment on main part II this moment, the camera connecting frame and the lighting connecting frame are arranged in parallel, it is noted that the main body I and the main body II can be arranged in parallel or in a mode that extension lines are intersected in space or plane, and the requirements for selection of different visual angles in the application can be met by adjusting the positions of the camera or the light source on the main body I or the main body II respectively when images are collected. It should be noted that, on the same collection device, the main body i of the camera device and the camera thereon may be provided with at least one set to meet the test requirements, and similarly, the main body ii of the lighting device and the light source thereon may be provided with at least one set to meet the illumination requirements under different conditions, for example, to perform light supplement at different angles and the like. The figure shows a case where the camera device and the light source device are respectively provided with one group, but the case where more groups are provided is not necessarily an example, and it should be noted that each group may be matched one by one or may be matched one by one, and the example of the one-to-many matching is the main body i of the camera device and 2 cameras movably arranged thereon.

In the above scheme, in order to meet the selection and coordination of the viewing angle, the camera connecting frame is at least partially arc-shaped, the lighting connecting frame is at least partially arc-shaped, and the arc-shaped structures between the camera connecting frame and the lighting connecting frame are matched with each other, namely the camera connecting frame and the lighting connecting frame can be in a concentric circle system; more particularly within the same arc in a concentric circle system. More preferably, the main body I of the camera connecting frame is arc-shaped, the main body II of the illumination connecting frame is arc-shaped, and through the matching of concentric arc-shaped structures of the camera connecting frame and the illumination connecting frame, the focusing position of the light source or the camera lens can be towards the center direction of the concentric circle. More preferably, the sample stage can be positioned at the center of the concentric circles.

In above-mentioned scheme, in each group's structure, in order to satisfy the installation and the regulation of camera and light source to provide stable shooting environment, thereby obtain more stable video acquisition and adjust, the camera link is still including setting up the camera frame on main part I, has the restriction groove I that sets up along I extending direction of main part on the main part I, be provided with on the camera frame with I matched with retaining member I in restriction groove, the camera sets up the camera frame. The main body I is provided with a plurality of limiting grooves I arranged along the extending direction of the main body I. Preferably, when the main body I is provided with a plurality of limiting grooves I arranged along the extending direction of the main body I, the limiting grooves I are parallel to each other. In the figure is shown the case where the delimiting groove 1 has two on the body i.

Similarly, illumination link still has along II extending direction of main part along the limited groove II that set up on the main part II including setting up the light source seat on the main part II, be provided with on the light source seat with limited groove II matched with retaining member II, the light source sets up the light source seat. The main body II is provided with a plurality of limiting grooves II arranged along the extending direction of the main body II. Preferably, when the main body II is provided with a plurality of limiting grooves II arranged along the extending direction of the main body II, the limiting grooves II are parallel to each other. In the figure, the case is shown where the delimiting groove ii has two on the body ii.

In an embodiment shown in fig. 1 and fig. 2, the image capturing device is provided with a support for supporting other functional structures, the support includes two vertically arranged support columns, a sample stage 031 is horizontally connected between the support columns and divides the support columns into two parts, namely an upper column 05 and a lower column 01, and a support leg 022 is arranged below the lower column 01.

As shown in the figures, the lower column 01 may also be provided with a telescopic structure, which includes a sleeve 012 with a tubular structure having a hollow slide rail and a telescopic rod 011 movably disposed in the sleeve 012, wherein the telescopic rod 011 can perform a telescopic operation along the rail in the sleeve 012, and the telescopic operation is performed to meet the requirements of fixing or shooting. In order to enable the telescopic structure to have an adjusted stable structure, the sleeve 012 is further provided with a limiting groove penetrating through the wall of the sleeve, the telescopic rod 011 is provided with a locking hole which is cooperatively arranged, and a limiting pin 013 which is cooperatively used for limiting the locking hole and the limiting groove is arranged on the telescopic rod 011, and after the telescopic rod 011 extends to a proper position, the limiting pin 013 is inserted into the locking hole and the limiting groove, so that the telescopic rod 011 can limit and lock the telescopic rod and the limiting groove. Of course, to meet further locking requirements, the retainer pin 013 can also have a threaded configuration that provides a mating thread that matingly engages the locking hole or is matingly provided with a locking nut, for further limiting purposes by a threaded fastener. The support foot 022 is now connected to the lower end of the telescopic rod 011. In addition, a walking wheel 023 can be arranged on the lower upright column 01, and the walking wheel 023 can be connected to the lower part of the sleeve 012. The traveling wheel 023 is connected to the sleeve 012 through a traveling wheel seat 021. Through supporting legs 022 and walking wheel 023 cooperation setting on telescopic link 011 and sleeve 012 in the picture, can realize that a supporting legs 022 is fixed under the fixed state, then carry out the purpose of walking with walking wheel 023 under the walking state.

Sample platform 031 then mainly used provides the platform of bearing the sample 04 or the product of waiting to shoot, and sample platform 031 in the picture is including being connected to the platform frame on the support, and the platform main part sets up on platform frame 033, still is provided with protecting frame 034 in platform frame top, that is exactly at platform border position for the effective space on the restriction platform, this effect that can play the protection. The platform, which may have a structure obtained by a roller structure 032 attached to the platform frame and a belt surface supported by the roller structure 032, may be movably attached to the platform frame by means of a roller shaft provided so that the roller structure 032 may be pivoted on the platform frame about the roller shaft (where the pivoting may be driven by a motor attached thereto) so that the sample 04 may be moved thereon by pivoting about the belt surface attached to the roller structure 032.

Above the sample stage 031, the illumination device and the camera device are arranged from near to far from the sample stage 031, in order to realize the arrangement, an illumination beam and a camera beam are respectively arranged on the upper upright column 05 bracket to correspondingly install the illumination device and the camera device respectively, and the arc main body II 051 of the illumination device and the arc main body I061 of the camera device are respectively connected to the camera beam 062 through an illumination connector, which can be a plate structural member, connected to the illumination beam and a camera connector 063, which can also be a seat plate structural member. The main body II 051 and the main body I061 are located in the same vertical plane and are of two concentric circular arc structures. The light source is namely the lamp is connected to the main body II 051 through the light source seat 053, two limiting grooves II which are parallel to each other and are arranged along the extending direction of the main body are arranged on the main body II 051, two light source seat 053 pins which are respectively matched with the two limiting grooves II are arranged on the light source seat 053 at the moment, the light source seat 053 is limited at a proper position through a nut matched with the surface threads of the light source seat 053 pins, and the limited position can be adjusted through the nut. In the figure, the light source seat 053 is a hollow ring structure, the light source is arranged on the ring body of the edge part, and the light source can be limited on the ring body by fasteners such as screws and the like, and the position can be adjusted. The camera is connected to the main body I061 through the camera base 064, the main body I061 is provided with two mutually parallel limiting grooves I which are arranged along the extending direction of the main body, two camera base pins which are respectively matched with the two limiting grooves I are arranged on the camera base 064, the camera base 064 is limited at a proper position through nuts which are matched with the surfaces of the camera base pins in a threaded mode, and the limited position can be adjusted through the nuts. The activity is set here in order to obtain the required viewing angle.

In fig. 1, only a partial structure of the collecting device may be shown, the stability design of the bracket or the further setting of the camera device or the light source device may be only a reasonable arrangement of the repetitive structure, and in practical applications, the corresponding functional structure may be selected for replication, for example, in order to support the sample stage 031, two parallel lower pillar 01 structures may be provided, so as to form a stable support, which is not repeated here.

In the testing process, the relative positions of the camera device and the lighting device are kept unchanged. The camera device performs corresponding data acquisition and image comparison on the identification object (sample on the sample table) under certain light conditions provided by the lighting device. The camera device and the illumination device will typically be arranged in a straight line in order to take relatively accurate data. When a plurality of angles are needed for data acquisition, the position of the lighting device on the bracket can be adjusted firstly, a corresponding angle is found, the lighting device needs to be adjusted at the moment, and the lighting device is fixed on the lighting device rotating bracket by screws after the optimal angle is found. And secondly, correspondingly rotating the base of the camera device, and fixing the camera device on the rotating bracket by using a screw after the camera device and the lighting device are concentric.

In this device, the lighting device rotating bracket is kept concentric with the mounting slot of the camera device rotating bracket, and the center of the slot is positioned on the identification object. The camera device and the lighting device can be easily adjusted and guaranteed to be basically positioned on the same straight line, so that the data of the identified object can be more accurately collected. The sticker of corresponding angle is pasted on lighting device runing rest and camera device runing rest can read the shooting angle value fast.

The working principle of the embodiment is as follows: the mounting notches of the lighting device rotating bracket and the camera device rotating bracket are concentric circles. When camera device and lighting device are carrying out angular adjustment along runing rest, can be fast accurate guarantee original shooting light intensity and discernment focus isoparametric.

The focusing driving structure of the double guide rails has the advantages that: the concentric circular notches of the lighting device rotating support and the camera device rotating support can be used for quickly and accurately adjusting the shooting angle and guaranteeing the original shooting light intensity, the identification focal length and other parameters, the structure is simple, the adjustment is convenient and reliable, the labor intensity in the experimental process is reduced, the labor cost is saved, the error rate is low, and the conveying result is stable and reliable.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a multi-view image acquisition device, is including the support that has the sample platform, its characterized in that, is located one side of sample platform, multi-view image acquisition device still is provided with camera device and lighting device, camera device includes a plurality of camera link that have microscler main part I that mutually support and sets up the camera on the camera link at the extending direction activity of main part I, lighting device includes a plurality of illumination link that mutually support have microscler main part II and set up the light source on the illumination link at the extending direction activity of main part II, camera link and illumination link set up side by side.

2. The multi-view image capturing device of claim 1, wherein the camera link and the illumination link are disposed in parallel.

3. The multi-view image capturing device of claim 2, wherein said camera interface is at least partially arcuate and said illumination interface is at least partially arcuate.

4. The multi-view image capturing device of claim 3, wherein said camera link is curved and said illumination link is curved.

5. The multi-view image capturing device as claimed in any one of claims 1 to 4, wherein the camera connecting frame further comprises a camera base disposed on the main body I, the main body I has a limiting groove I disposed along the extending direction of the main body I, the camera base is disposed with a locking member I cooperating with the limiting groove I, and the camera is disposed to the camera base.

6. The apparatus according to claim 5, wherein said body I has a plurality of defining slots I along the extension direction of the body I.

7. The apparatus according to claim 6, wherein said first body has a plurality of first defining grooves disposed along the extending direction of said first body, said first defining grooves being parallel to each other.

8. The multi-view image capturing device as claimed in any one of claims 1 to 4, wherein the illumination connecting frame further comprises a light source base disposed on the main body II, the main body II has a limiting groove II disposed along the extending direction of the main body II, the light source base is disposed with a locking member II matching with the limiting groove II, and the light source is disposed on the light source base.

9. The multi-view image capturing device as claimed in claim 8, wherein the body ii has a plurality of defining slots ii disposed along an extending direction of the body ii.

10. The multi-view image capturing device as claimed in claim 9, wherein the plurality of the second defining grooves are parallel to each other when the second defining grooves are disposed along the extending direction of the second main body.