阅读说明：本技术 用于对物体进行光学检查的检查设备和物体检查装置 (Inspection equipment and object check device for being optically inspected to object ) 是由 A.托贝 M.贝格尔 于 2018-02-23 设计创作，主要内容包括：经常在表面和/或形状的基础上对制造过程的物体和工件的品质进行评估。提出一种用于对物体(7)进行光学检查的检查设备(1),尤其是进行偏转度量检查,该检查设备具有：壳体(3),其中所述壳体(3)是具有开口(4)的空心体,其中所述物体(7)能够定位在所述开口(4)中以进行检查；主摄像机(2),其中该主摄像机(2)具有拍摄方向和拍摄平面,其中所述主摄像机(2)以拍摄方向朝着所述壳体(3)的开口(4)来布置,其中所述检查设备(1)包括多个光源(6),其中所述光源(6)围绕着所述开口(4)来布置,其中所述光源(6)构造用于对拍摄平面进行可变的照明,其中所述主摄像机(2)构造用于为处于所述拍摄平面中的物体(7)拍摄多张物像；评估单元(10),其中所述评估单元(10)构造用于在物像的基础上确定物体(7)的形貌。(Often the quality of the object of manufacturing process and workpiece is assessed on the basis of surface and/or shape.It is proposed a kind of inspection equipment (1) for being optically inspected to object (7), deflection measurement is especially carried out to check, the inspection equipment includes shell (3), wherein the shell (3) is the hollow body with opening (4), wherein the object (7) can be located in the opening (4) to be checked；Main camera (2), wherein the main camera (2) has shooting direction and camera plane, wherein the main camera (2) is arranged with shooting direction towards the opening (4) of the shell (3), wherein the inspection equipment (1) includes multiple light sources (6), wherein the light source (6) is arranged around the opening (4), wherein the light source (6) is configured to carry out camera plane variable illumination, wherein the main camera (2) is configured to shoot multiple images for the object (7) in the camera plane；Assessment unit (10), wherein the assessment unit (10) is configured to determine the pattern of object (7) on the basis of image.)

1. the inspection equipment (1) for being optically inspected to object (7) especially carries out deflection measurement and checks, the inspection Equipment includes

Shell (3), wherein the shell (3) is the hollow body with opening (4), wherein the object (7) can be located in institute It states in opening (4) to be checked；

Main camera (2), wherein the main camera (2) have shooting direction and camera plane, wherein the main camera (2) with Shooting direction arranges towards the opening (4) of the shell (3),

Wherein the inspection equipment (1) includes multiple light sources (6), wherein the light source (6) carrys out cloth around the opening (4) It sets, wherein the light source (6) is configured to: variable illumination is carried out to the camera plane,

Wherein the main camera (2) is configured to: shooting multiple images for the object (7) in the camera plane；

It is characterized in that assessment unit (10), wherein the assessment unit (10) is configured to: on the basis of the image really The pattern of earnest body (7).

2. inspection equipment (1) according to claim 1, which is characterized in that the shell (1) has recess portion (8), wherein institute State the receiving unit and/or guide portion of retainer and/or commanding apparatus that recess portion (8) are formed for the object (7).

3. inspection equipment (1) according to claim 2, which is characterized in that the recess portion (8) and the opening (4) are adjacent.

4. inspection equipment (1) according to claim 2 or 3, which is characterized in that the recess portion (8) is circular and/or ellipse Shape.

5. inspection equipment (1) according to any one of claim 2 to 4, which is characterized in that light source (6) moon sweet osmanthus Annularly and/or by the recess portion (8) interruptedly arranged around the opening (4).

6. inspection equipment (1) according to any one of claim 2 to 4, which is characterized in that inspection equipment (1) tool Have special inspection state, wherein the retainer and/or the commanding apparatus be partially positioned in the recess portion (8) and The object (7) is located in the camera plane.

7. inspection equipment (1) according to any one of the preceding claims, which is characterized in that the light source (6) surrounds institute It states opening (4) equably and/or is arranged equally spaced.

8. inspection equipment (1) according to any one of the preceding claims, which is characterized in that the light source (6) has spoke Direction is penetrated, wherein the radiation direction of each light source (6) and the shooting direction are respectively enclosed to a light angle, wherein the light source (6) light angle of at least one light source in is variable.

9. inspection equipment (1) according to any one of the preceding claims, which is characterized in that the shell (3) is dome Shape and/or hemisphere.

10. inspection equipment (1) according to any one of the preceding claims, it is characterised in that multiple auxiliary cameras (9, 9a, 9b), wherein the auxiliary camera (9,9a, 9b) is arranged in the shell around the main camera, wherein described Auxiliary camera (9,9a, 9b) is configured to shoot the assistant images of the object (7), wherein the assessment unit (10) constructs For: the pattern of the object (7) is determined on the basis of the assistant images and/or improves specific pattern.

11. inspection equipment (1) according to claim 10, which is characterized in that the auxiliary camera (9,9a, 9b) has Different focal lengths and/or different shooting areas is imaged.

12. inspection equipment (1) according to any one of the preceding claims, which is characterized in that the auxiliary camera (9, 9a, 9b) there is electronic circuit board (13) and camera unit (11), wherein the electronic circuit board (13) and the video camera list First (11) are connected by means of connector flexible (12), wherein the camera unit (11) is arranged in the shell (3) And the electronic circuit board (13) is arranged in the outside of the shell (3).

13. inspection equipment (1) according to any one of the preceding claims, which is characterized in that the shell (3) is in inside It is reflexive or absorbability on face.

14. inspection equipment (1) according to any one of the preceding claims, which is characterized in that the opening (4) limits and opens Mouth plane, wherein the plane of the opening and the camera plane are overlapped.

15. object check device, it is characterised in that inspection equipment (1) described in any one of -14 and be used for according to claim 1 The commanding apparatus of the object (7) is manipulated and/or keeps, wherein the commanding apparatus is configured to: making the object (7) in institute It states in camera plane and at least partly rotates and/or pivot.

Technical field

The inspection equipment that the present invention relates to a kind of for being optically inspected to object especially carries out deflection measurement inspection It looks into, which includes shell, wherein the shell is the hollow body with opening, wherein the object can be located in To be checked in the opening；Main camera, wherein the main camera has shooting direction and camera plane, wherein the master Video camera is arranged with shooting direction towards the opening of the shell, wherein the inspection equipment includes multiple light sources, wherein institute Light source is stated around the opening to arrange, wherein the configurations of light sources is used to carry out camera plane variable illumination, wherein The main camera is configured to shoot multiple images for the object in the camera plane.

Background technique

The surface characteristic of object is often measured and/or checked by means of lighting apparatus.In this case, video camera is used The image of object is shot, wherein by means of vault diffusing globe (Diffusorkuppel) come to object illumination.

196 23 949 A1 of open source literature DE for being likely to form the newest prior art discloses a kind of be used for object The equipment that is optically inspected of surface, the equipment includes lighting apparatus, and the lighting apparatus is by vault diffusing globe to being in Object below is illuminated；Video camera, objective lens arrangement is on the end of the upper surface of the vault diffusing globe；And Assessment device comprising computer, it is described assessment device in save the object the face limited in advance nominal image or Nominal grey value will be compared by the image of the shot by camera with the nominal image or nominal grey value, be used Emission signal is generated when the deviation between real image and nominal image has previously given size (Auswerfsignal), wherein the lighting apparatus has the white light being persistently switched on.

Summary of the invention

Within the scope of the invention, propose a kind of feature with claim 1, for being optically inspected to object Inspection equipment, especially carry out deflection measurement check.In addition, propose a kind of feature with claim 13, there is institute State the object check device for checking equipment.Preferred and/or advantageous embodiment of the invention is from dependent claims, following It is obtained in the description and the appended drawings.

According to the present invention it is proposed that a kind of inspection equipment for being optically inspected to object, especially progress deflection Amount checks.Especially check that equipment is configured to automatically check object.The object is, for example, workpiece and/or component, Wherein the object especially has shinny and/or reflection surface.For object deflection measurement inspection be, for example, for The optical check on the surface of object.Especially check that equipment is configured to that the inspection of deflection measurement can be carried out for variable object spectra It looks into.

The inspection equipment has shell.Shell is the hollow body with opening.Especially shell has inner space.Shell The hollow body being e.g. broken away, wherein the hollow body being broken away has section, the midsagittal plane forms the opening of hollow body.This Outside, shell preferably has medial surface and lateral surface.Object can position in the opening to be checked.Especially object can It is located at the center of opening to be checked, the center in split shed is preferably optimal inspection for object It looks into and/or operating position.The opening of shell especially has seamed edge, wherein hollow body described in the seamed edge limit.Opening is in shell In be, for example, round, ellipse, triangle or arbitrary polygon.

Check that equipment has main camera.Especially main camera is pancratic video camera, and wherein main camera has The image district and/or enlargement ratio being adjustable.Main camera is preferably video camera, and main camera is single as an alternative Image camera.Especially main camera is CCD camera and especially colour TV camera and/or B/W camera.As replacing For scheme, main camera is cmos camera.Main camera has shooting direction and camera plane.Especially shooting direction perpendicular to Camera plane.Especially shooting direction is following direction, and main camera shoots image towards the direction.Camera plane is preferably following Plane, object can be clearly imaged by main camera in the plane.For example, camera plane has the maximal field depth Plane.

Main camera is arranged with shooting direction towards the opening of shell.Especially main camera passes through shell with shooting direction Opening observe.Main camera is preferably arranged so that main camera medially passes through the opening of shell with shooting direction To observe.Furthermore it is preferred that regulation, main camera is arranged so that shooting direction is distracted flat perpendicular to the opening by shell Face.

Check that equipment has multiple light sources.Equipment tool is especially checked there are five above light source, preferably have 20 with On light source, and especially with 50 or more light sources.Light source is preferably LEDs.Light source especially white light source or colour Light source and especially rgb light source.Light source is preferably point light source, and as an alternative and/or additional project, light source are planars Light source.Light source is preferably thermal light source, wherein thermal light source have for example based on Planck's law of radiation, in wide wave-length coverage Radiation feature.As an alternative and/or additional project, light source are non-thermal light sources, wherein non-thermal light source it is especially linear and/ Or stripline radiator.

Opening of the light source in shell is arranged.Especially light source is arranged along the seamed edge of opening.As alternative Case and/or additional project, light source are arranged on the medial surface of shell.Configurations of light sources is for carrying out variable photograph to camera plane It is bright.As variable illumination, the illumination of the transformation carried out by light source is referred in particular to.Variable illumination is, for example, to be sent out by light source The variation of the color composition for the light penetrated and/or the variation of the illumination direction generated by multiple light sources.For example, shooting area in moment t1 Domain is illuminated by all light sources, is illuminated in another moment t2 shooting area by a part of light source in multiple light sources, and when T3 camera plane is carved to be illuminated by another part light source in multiple light sources.Especially light source is arranged so that main camera can It is bright, clear and/or high contrastively shoot camera plane and/or make its imaging.

Main camera is configured to shoot multiple images for the object in camera plane.Especially main camera construction is used In the image for shooting two or more, preferably ten or more and/or especially 50 or more for the object in camera plane. It is preferred that image is temporally spaced, particularly is equally spaced in time, wherein the time between such as two images On interval be greater than one millisecond and/or less than one second.Especially main camera is video camera and is configured to in bat The object taken the photograph in plane shoots multiple images especially as video sequence.

Check that equipment has assessment unit.Especially assessment unit is connected in terms of data technique with main camera, wherein Image is provided to assessment unit by data technique.Assessment unit is configured to determine the pattern of object on the basis of image. Especially assessment unit is configured to, and determines that inclination figure is used as pattern on the basis of the image of object.Especially assessment unit construction is used In the surface for rebuilding object on the basis of image, pattern and/or inclination figure (Neigungskarte).

The present invention is based on considered below: a kind of inspection equipment is provided, it can rapidly, automatically and/or reliably really The surface topography and/or inclination figure of earnest body.The advantage is that can by check equipment come reliably and quickly determine surface shape Looks, wherein all elements required thus are all incorporated in an inspection equipment.

In a kind of particularly preferred design scheme of the invention, shell includes recess portion.Recess configuration is for object The receiving unit and/or guide portion (Durchfuehrung) of retainer and/or commanding apparatus.Especially recess portion is connecing for object Receipts portion and/or guide portion.Retainer is, for example, axle system.Commanding apparatus is, for example, robot and/or robot arm.Retainer And/or commanding apparatus is configured to keep object, positioned and/or made its rotation.The especially true construction of recess portion, so that object Body can be located in multiple positions in camera plane, is preferably all for determining the relevant and/or required position of pattern In.This design scheme is based on such consideration, it may be assumed that provides a kind of inspection equipment with shell, the inspection equipment is in order to true The pattern of earnest body can be used together with the retainer of object and/or commanding apparatus without collision, wherein the object can It is positioned in mutiple positions in camera plane.

Especially recess portion is directly adjacent with the opening of shell.Especially recess portion and opening is separated from each other not over material.Example Such as, recess portion can be considered as the direct enlarging section of opening.This design scheme is based on considered below, it may be assumed that for example can be opposite Retainer and/or commanding apparatus are used in all angle positions of recess portion.

In a kind of possible design scheme of the invention, recess portion is circular and/or oval.Especially recess portion is round Bow, such as half circular.As an alternative, recess portion is arbitrary polygon, as such as triangle, rectangle or hexagon.Especially Recess portion so constructs, so that as big as possible by the distracted remaining Space Angle of shell.Especially recess portion can adapt to retainer and/ Or shape and/or the object of commanding apparatus.Particular around opening arrangement, for the light source of the shell with recess portion be in Arrange to laurel garland shape.It is preferred that recess portion is at least partially disposed at by being open except distracted plane and/or camera plane.This Kind design scheme is based on considered below, it may be assumed that provides a kind of inspection equipment with shell, the shell to the greatest extent may be used by the recess portion It can be affected and/or reduce less, so that such as astigmatism as few as possible and/or interference light fall on video camera and/or shooting In plane.

In a kind of particularly preferred design scheme of the invention, light source surrounds the opening in shell equably and/or waits It is arranged away from ground.Especially light source equably and/or is arranged equally spaced on the seamed edge, and the seamed edge is formed from opening to shell Limit.Preferred light source so arranges around opening, so that light source is in contact with each other and/or tangent.Furthermore, it is possible to light source It equidistantly and/or is uniformly distributed in the entire shell for checking equipment, such as in each space angle part Δ θ (Δ Ω) Light source as many is set.This design scheme is based on considered below, it may be assumed that provides a kind of inspection equipment, which can Illumination as uniform as possible and constant is carried out to the object in camera plane.

In a kind of possible design scheme, light source has radiation direction.Radiation direction especially light source transmitting is maximum strong The direction of the light of degree.The radiation direction of each light source and the shooting direction of main camera are respectively enclosed to a light angle.It can change Become the light angle of at least one light source in the light source, can especially change the light angle of all light sources.It is preferred that according to Bright angle can orient, and especially can reversibly orient.For example, light source includes pedestal and/or lamp holder, wherein pedestal and/or Lamp holder is can be pivotably arranged on shell and/or seamed edge, for changing light angle.This design scheme be based on Lower consideration, it may be assumed that provide a kind of inspection equipment, the light angle of light source can adjust and/or can for the inspection equipment Adjustment best possible illuminated and/or is illuminated hence for being able to carry out during checking for object.

It is particularly preferred that shell is cheese and/or is hemisphere.Shell especially domeshape.Furthermore possible It is that shell is for example configured to cylindricality, cone and/or taper.Especially cheese and/or hemispheric shell there is opening, The opening for example represents flat section.This design scheme is based on considered below, it may be assumed that provides a kind of with as spacious as possible Inner space shell, to can preferably be manipulated in the inner space and/or rotating object.

It is particularly preferred that checking that equipment has multiple auxiliary cameras.Especially check that equipment is auxiliary with ten or more Help the auxiliary camera and preferably 30 or more auxiliary cameras of video camera, particularly 20 or more.Second camera Machine especially digital camera and/or imaging sensor.Auxiliary camera is for example configured to colour TV camera or B/W camera. Especially auxiliary camera is respectively provided with camera unit, and wherein camera unit includes the imaging sensor for shooting image. It is preferred that camera unit has the diameter less than five millimeters and especially less than two millimeters.Auxiliary camera is arranged in shell In.Especially auxiliary camera is arranged in around main camera.It is particularly preferred that auxiliary camera is arranged in the opening of shell Around.

Auxiliary camera is configured to the assistant images of shooting object.Especially assistant images are in shooting area to part area Domain and/or whole object are imaged.Assistant images especially have with a wherein at least image Chong Die at least one.It is especially auxiliary Video camera is helped arranged so that it clearly and/or high contrastively can be imaged the object in camera plane. As an alternative and/or additional project, auxiliary camera is arranged so that it can be except camera plane clearly And/or height is contrastively imaged the object.Optimization selection evaluation unit is configured to determine object on the basis of assistant images The pattern of body.Especially assessment unit is configured to carry out the pattern determined on the basis of image on the basis of assistant images Refinement and/or supplement.As an alternative and/or additional project, assessment unit be configured on the basis of assistant images The pattern of object is not supplemented in the region of image covering.It is preferred that auxiliary camera is arranged so that it can change Become the visual angle of the shooting of object.This design scheme is based on considered below, it may be assumed that provides a kind of inspection equipment, the inspection equipment is logical The use of auxiliary camera is crossed to provide multiple images, perspective view and/or the view of object, wherein in this way can be in assistant images With determine pattern on the basis of image, so that for example particularly accurate measurement can be carried out to the pattern of object.

It is provided in a kind of possible design scheme of the invention, auxiliary camera has different focal lengths and/or makes not Same shooting face imaging.Auxiliary camera especially has focal length that is being adjustable and/or can setting.It is preferred that the bat of auxiliary camera Take the photograph region be greater than and/or equal to main camera shooting area.This design scheme is based on considered below, it may be assumed that by multiple auxiliary The use of video camera is helped to provide a kind of inspection equipment, the inspection equipment can with different focal length and/or object section come pair Object is imaged, wherein checking that the service life of equipment is not limited by the maximum zoom cycle-index of main camera.

Auxiliary camera preferably has electronic circuit board and camera unit.Camera unit especially include lens unit, As such as object lens and/or lens and imaging sensor.Camera unit is and/or including such as CCD or cmos camera.Electricity Sub-circuit board be configured to control camera unit, to its power supply and/or to captured image archives data and/or by its It is supplied to user.Electronic circuit board is connected preferably by means of connector flexible with camera unit.Connector example flexible Flexible cable in this way.Especially camera unit is arranged in the shell for checking equipment, and wherein electronic circuit board is arranged in inspection and sets The outside of standby shell, wherein connector flexible connects the camera unit in shell and the electronic circuit board of hull outside Get up.This design scheme is based on considered below, it may be assumed that with the smallest area of coverage of main camera and/or covers auxiliary camera Lid degree arranges that method is that the electronic component of the camera unit is arranged in the outside of shell, thus the electricity in the housing Visual field of the subassembly without limitation on main camera.

It is particularly preferred that the inside of shell is reflexive.For example, the inside of shell is mirror surface, as such as silvered mirror. As an alternative, shell is absorbability on medial surface, as being such as furvous and being configured to interference light and/or astigmatism Light trap.Especially absorption coefficient of the shell on medial surface is about 1.On the one hand this design scheme is based on providing one kind Particularly well scatter light and consideration that the inspection equipment that is illuminated in camera plane to object as well as possible is such, And on the other hand based on considered below, it may be assumed that trap astigmatism, as well as possible so as to rebuild object as easily as possible Pattern.

It is particularly preferred that the limited opening plane of the opening in shell.It is preferred that plane of the opening is flat and/or flat flat Face.As an alternative, plane of the opening is curved face.Especially plane of the opening and camera plane are overlapped.As an alternative and/ Or additional project, plane of the opening and camera plane deviate in parallel with each other.This design scheme is based on considered below, it may be assumed that provides A kind of inspection equipment, for the inspection equipment when being measured to object the inspection equipment ambient light as few as possible In plane of the opening and therefore the measurement is interfered, wherein object is when checking just at partly enclosing plane of the opening.

Another theme of the invention is object check device.Object check device includes according to claim 1 in 12 Inspection equipment described in any one and/or preceding description and at least one be used to manipulating and/or keeping the commanding apparatus of object. Commanding apparatus is, for example, robot, robots arm and/or axle system, and wherein object can be such as clamped in steerable system.Behaviour It is longitudinally set with for being configured to keep object, positioned and/or made its rotation.In addition, commanding apparatus is configured to that object is made to exist It at least partly rotates and/or pivots in camera plane, wherein when object is maintained in camera plane by commanding apparatus, The inspection equipment shoots the pattern of object.Especially commanding apparatus is configured to by checking that equipment determines pattern Period rotates object, so that the object check device is configured to determine whole object and/or similar whole object Pattern.The especially described object check device is configured to execute comprehensive inspection for object.The object check device is therefore Provide following feasible program, it may be assumed that it is manipulated when by inspection device measuring object with commanding apparatus and/or fixed object, Middle commanding apparatus can interact with equipment is checked without collision.

Detailed description of the invention

Other feature, advantage and effect of the invention is from below in description made by a preferred embodiment of the present invention It obtains.Herein:

Fig. 1 shows a kind of inspection equipment；

Fig. 2 shows the auxiliary cameras with electronic circuit board and camera unit.

Specific embodiment

Fig. 1 shows the inspection equipment 1 with main camera 2 and shell 3.Shell 3 is the hollow body of cheese, this It is hemispheric hollow body in embodiment.Hemispheric hollow body is especially cut in plane under the line.Shell 3 has opening 4, It is wherein circular opening 4 in a this split shed 4 of applying.Shell 3 has perimeter and interior zone, wherein interior zone Preferably reflexive, as an alternative and/or additional project interior zone is absorbability.In shell 3 and opening 4 pairs Main camera 2 is disposed on the side set, in such an embodiment in the pole of hemispheric shell 3.

Main camera 2 has shooting direction, and wherein the shooting direction of main camera 2 is directed toward the direction of the opening 4 of shell 3. Especially video camera 2 has focal length, enable shell 3 opening 4 region by main camera 2 come clearly and/or high right It is imaged than ground.Especially main camera 2 has electronic component, and wherein the electronic component is arranged in the outside of shell 3, so that especially only Only the lens of main camera 2 and/or object lens are arranged in the shell 3 with the visual direction towards opening 4.

Shell 3 has seamed edge 5, and wherein seamed edge 5 forms boundary of the shell 3 relative to opening 4.In such an embodiment, rib Side 5 is constructed in circle.Light source 6 is arranged along seamed edge 5, particularly around opening 4.The especially light emitting diode of light source 6. Light source 6 has radiation direction, wherein the radiation direction of light source 6 is directed toward the center of ring shape opening 4 between two parties in such an embodiment. Especially light source 6 is can be pivotably arranged on seamed edge 5, so that the radiation direction of the shooting direction of main camera 2 and light source 6 Between angle be variable.In such an embodiment, it is enclosed by the shooting direction of the radiation direction of light source 6 and main camera 2 At angle, particularly light angle be 90 degree.The light angle of preferred light source 6 can be adjusted electronically and/or again It adjusts.Light source 6 is configured to illuminate the region of opening 4, wherein the whole of light source 6 and/or only only a part can be used in illuminating.Especially Its light source 6 is configured to for example to carry out opening 4 by the photochromic and/or active this mode of light source 6 of change different Illumination.

Opening 4 especially struts a plane, and wherein this plane is overlapped with the camera plane of main camera 2.In main camera 2 Camera plane in can arrange object 7.Object 7 is, for example, electronic component or mechanical component.Especially object 7 includes shinny table Face.Preferred object 7 can be pivoted and/or can be rotated in the region of camera plane.

Check that equipment 1 and/or shell 3 have recess portion 8.The recess portion of the especially shell 3 of recess portion 8.Recess portion 8 especially directly with open Mouth 4 is adjacent.In such an embodiment, recess portion 8 is the semicircular recess portion in shell.Recess portion 8 is configured to that object 7 can be received Retainer and/or for object 7 commanding apparatus, for example by object 7 be maintained at opening 4 in axle system.It is preferred that recess portion 8 is small In or equal to object 7 diameter, center dant 8 is only configured to receive steerable system and/or retainer herein.

Check that equipment 1 includes multiple auxiliary camera 9a and 9b.Auxiliary camera 9a and 9b are configured to digital camera simultaneously And so be arranged in shell 3, so as to high make clearly and/or contrastively object in shooting area and/or opening 4 7 imagings.Auxiliary camera 9a is directly adjacent with main camera 2 and flat with its shooting direction and the shooting direction of main camera 2 Capable mode orients.Auxiliary camera 9a especially has the focal length and/or the depth of field different from main camera 2.Auxiliary camera 9b is especially arranged in the region of seamed edge 5 of shell 3.Auxiliary camera 9a and 9b are equally directed at object 7 with shooting direction.Especially The shooting direction of auxiliary camera 9b and the shooting direction of main camera 2 surround the angle greater than 80 degree.Auxiliary camera 9b structure Make the assistant images for shooting object 7.Main camera 2 is configured to the image of shooting object 7.

Check that equipment 1 has assessment unit 10, wherein assessment unit 10 is configured in the object as captured by main camera 2 Pattern and/or the inclination of the object 7 are determined on the basis of picture and the assistant images as captured by auxiliary camera 9a, 9b Figure.Assessment unit 10 is such as configured to microchip, microcontroller and/or computer unit.Especially assessment unit 10 can be collected At into main camera 2.

Fig. 2 shows auxiliary cameras 9.Auxiliary camera 9 has camera unit 11, connector flexible 12 and electronics Circuit board 13.Camera unit 11 includes especially camera sensor, as such as CCD or CMOS chip.In addition, camera unit 11 include object lens, and wherein object lens are for example including lens.Object lens are configured to be imaged into making image clearly and take the photograph On camera sensor.Preferably, camera unit 11 has the diameter less than ten millimeters.

Electronic circuit board 13 is configured to control camera unit 11 and/or powers to it.Especially electronic circuit board 13 wraps Include all electronic building bricks required for being controlled or assessed for the data to camera unit 11.Preferred electronic circuitry plate 13 include circuit board interface 14.Circuit board interface 14 is configured to provide in terms of data technique by auxiliary camera 9 and spy It is not the assistant images provided by camera unit 11.Especially circuit board interface 14 can in terms of data technique with check equipment 1 assessment unit 10 couples.

Electronic circuit board 13 is connected by connector 12 flexible with camera unit 11.Connector 12 flexible is for example It is flexible cable, connects camera unit 11 and electronic circuit board 13 in terms of data technique and/or electronics.Especially Its connector 12 flexible is configured to orient camera unit 11.Connector 12 flexible is preferably inflexible, makees It is (biegeschlaff) being readily bent for alternative solution connector 12 flexible.Connector 12 flexible is configured to from shell 3 medial surface to check equipment shell 3 lateral surface guide portion, wherein connector flexible will be in shell 3 inside Camera unit 11 in face is connected with the electronic circuit board 13 on the lateral surface in shell 3.