CN205787331U - A kind of Optical devices for imaging compression - Google Patents
A kind of Optical devices for imaging compression Download PDFInfo
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- CN205787331U CN205787331U CN201620668669.2U CN201620668669U CN205787331U CN 205787331 U CN205787331 U CN 205787331U CN 201620668669 U CN201620668669 U CN 201620668669U CN 205787331 U CN205787331 U CN 205787331U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 109
- 238000003384 imaging method Methods 0.000 title claims abstract description 22
- 230000006835 compression Effects 0.000 title claims abstract description 17
- 238000007906 compression Methods 0.000 title claims abstract description 17
- 230000010287 polarization Effects 0.000 claims description 11
- 230000001154 acute effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012634 optical imaging Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010572 single replacement reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
This utility model relates to a kind of Optical devices for imaging compression, belongs to optical imaging field.Optical devices of the present utility model comprise first group of optical reflection unit and second group of optical reflection unit, the two left-right situs, and Optical devices of the present utility model are for becoming the image of two target objects of left-right situs into two images being arranged above and below.When utilizing Optical devices of the present utility model to detect, can be simplified by two stations is a station, takes full advantage of camera, the especially resolution of line-scan digital camera, also the entirety making detection equipment is reduced, and reduces the space of hold facility, has been greatly reduced production and application maintenance cost.
Description
Technical field
This utility model belongs to optical imaging field, is specifically related to a kind of Optical devices, in particular for imaging compression
Optical devices.
Background technology
In Machine Vision Detection field, detected object is varied, and the optical signature of its defect is also of a great variety.
In linear array detects, many times we for some reason, or algorithm process speed does not catches up with, or detection mode is equal,
Need to set up two stations.In the case of algorithm speed does not catches up with, our two stations will be respectively to product to be detected
Carry out odd even station reverse shot.So, it is desirable at least two set image capturing system, answering of detecting system is considerably increased
Miscellaneous degree, taken up space and production and application maintenance cost, be unfavorable for the popularization of product.Further, typically exist due to article to be checked
The when of reaching acquisition precision, occupying the pixel less than 1K, compared to common 2K camera, pixel has the biggest waste.
Such as, at medicine detection field, there is a critically important link to detect exactly in finished drag products and have free from admixture.This
Important detection ensure that the outgoing of medicine, protects the interests of numerous consumer simultaneously.At present, numerous detections set
The collection of image is carried out for using line-scan digital camera.Line-scan digital camera has the advantage that resolution is high.But high-resolution is simultaneously
Will also result in the increase of data processing amount.Therefore, in the design of station, we can use two collected by camera images to examine
Survey.Like this, the cost of detecting system can be greatly increased, and the most whole equipment also can become bulky complex, simultaneously linear array phase
The resolution of machine also has waste to a certain extent.
For another example, in vial stress mornitoring, its stress is likely to result in the change of polarization direction.So in order to examine all sidedly
Surveying polarization state, and then the scope of judgement stress, we use the station on two kinds of different polarization directions at present.Such
Although design can reach predetermined detection function, but causes the waste of camera pixel, too increase the manufacture of complete equipment,
Maintenance cost.Simultaneously because add the direction of detection polarized light, cause the increase of data processing amount, be unfavorable for examining at a high speed
Survey.
As can be seen here, during on-line checking, if can be in the case of ensureing that detection function is intact, simplifying station can be effective
Ground reduces the cost of equipment, the efficiency that raising simultaneously processes.But, there is presently no be suitable for use in industrial detection for work
The special equipment that position is simplified.
Utility model content
To detect, according to urgent need at present, the problem that station is simplified, this utility model provides a kind of optics for imaging compression
Device, two stations can be merged into a station by these Optical devices, and based on these Optical devices, we can be by two different merits
Can, or the station of identical function diverse location merges, thus set up a new station, and then two can be gathered simultaneously
Station image.
Specifically, this utility model provides a kind of Optical devices for imaging compression, it is characterised in that described optics
Device comprises first group of optical reflection unit and second group of optical reflection unit, and the two left-right situs, for by left-right situs
The image of two target objects is converted into two images being arranged above and below,
Described first group of optical reflection unit includes the first reflecting mirror and the second reflecting mirror, the minute surface of described first reflecting mirror
Towards the light direction that enters of described Optical devices, and minute surface is diagonally downward, the most described optics of minute surface of described second reflecting mirror
Device enter light direction, to described first reflecting mirror, and minute surface tilts upward；
Described second group of optical reflection unit includes the 3rd reflecting mirror and the 4th reflecting mirror, and described 3rd reflecting mirror is towards institute
State Optical devices enter light direction and with described enter light direction there is a horizontal acute angle, described 4th reflecting mirror institute dorsad
State into light direction, to the minute surface to described 3rd reflecting mirror, and the normal of its normal and described 3rd reflecting mirror has a water
Flat acute angle.
Further, the normal direction of described first reflecting mirror and horizontal direction have the angle of 45 degree obliquely；Described
The normal direction of the second reflecting mirror and horizontal direction have 41 degree of angles obliquely.
Further, the normal of described 3rd reflecting mirror and described enter angle between light direction be 22.4 degree, described
Angle between normal and the normal of described 3rd reflecting mirror of four reflecting mirrors is 22.4 degree.
Further, described Optical devices include shell and machinery mount, described first group of optical reflection unit and second
Group optical reflection unit is separately mounted on respective machinery mount, is placed in described shell.
Further, described shell is provided with light inlet and light-emitting window, is provided with cover plate at described light inlet, in institute
State and at light-emitting window, be provided with observation window.
Further, the front end of described cover plate is provided with installing rack, for installing the first polaroid or light filter, described
Observation window is provided with interface arrangement, is used for connecting linear array or area array cameras, or installs the second polaroid or light filter.
Further, the described first or second polaroid is linear polarizer, ellipsoidal polarizing plate or circular polarizing disk.
Further, 0 degree of linear polarizer and 45 degree of linear polarizer are installed in the front end of described installing rack, and described observation window is pacified
Filling 90 degree of linear polarizer and-45 degree linear polarizer, the polaroid on described observation window is arranged above and below.
Further, the front end of described installing rack is provided with the eyeglass of the different optical effects of two panels left-right situs, described
The eyeglass of the different optical effects that two panels is arranged above and below is installed on observation window.
Further, described Optical devices comprise the described optical reflection unit more than two groups.This utility model is previously mentioned
Represent that the term " obliquely " in direction, " obliquely " are for the placement direction of normal optical device, work as placement
When mode adjusts, the direction followability that above-mentioned term refers to adjusts.
The reflecting surface that " minute surface of reflecting mirror " that this utility model is previously mentioned refers to, this reflecting mirror is not limited to plane mirror,
Can be to be the reflecting mirror by prism form.
The polarization angle that this utility model is previously mentioned 45 degree, 90 degree, the setting on the basis of vertical direction of-45 degree.
" different optical effect " that this utility model is previously mentioned refers to the optical effects such as polarization, optical filtering.
The utility model has the advantages that:
After employing device of the present utility model, two original stations, can simplify is a station.Original two
The sample of left-right situs, after the process of this device, in being arranged above and below, takes full advantage of the resolution of line-scan digital camera.And
And, owing to decreasing a station, the volume of integral device is reduced a lot, and the space taken is greatly reduced.Make
This utility model is space-saving greatly reduces production and application maintenance cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the installation axonometric chart of the Optical devices in this utility model embodiment one；
Fig. 2 is the front view of the Optical devices in this utility model embodiment one；
Fig. 3 is the top view of the Optical devices in this utility model embodiment one；
Fig. 4 is the system schematic in a state of use of the Optical devices in this utility model embodiment one；
Fig. 5 is that the sample on this utility model embodiment one conveyer belt transmits schematic diagram；
Fig. 6 is the imaging results schematic diagram of the Optical devices of this utility model embodiment one；
Fig. 7 is the system schematic in a state of use of the Optical devices in this utility model embodiment two；
Fig. 8 is that the sample on this utility model embodiment two, three conveyer belt transmits schematic diagram；
Fig. 9 is first imaging schematic diagram of the Optical devices of this utility model embodiment two, three；
Figure 10 is second imaging schematic diagram of the Optical devices of this utility model embodiment two, three；
Figure 11 is the 3rd imaging schematic diagram of the Optical devices of this utility model embodiment two, three；
Figure 12 is the system schematic in a state of use of the Optical devices in this utility model embodiment three.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing the technical solution of the utility model is described in detail.
Embodiment one
The present embodiment describes a kind of Optical devices for imaging compression, and Optical devices 100 comprise at least two group optics
Reflection unit.Optical reflection unit can be prism, or reflecting mirror.As it is shown in figure 1, first group of optical reflection unit 101 is responsible for
Being moved from the top down by the image of product at first station, it comprises two panels plane mirror, the mirror of the first plane mirror
Facing to the light direction that enters of Optical devices, and its minute surface normal direction has the folder of the most about 45 degree with horizontal direction
Angle, the minute surface Optical devices dorsad of the second plane transmitting mirror enter light direction, to the first plane mirror, and the second plane
The normal direction of transmitting mirror and horizontal direction have the plane mirror of the most about 41 degree.Second group of optical reflection unit
102 are responsible for moving the image of product at second station from right to left, comprise two panels plane mirror, the 3rd plane mirror
Towards the light direction that enters of Optical devices, and the normal of the 3rd plane mirror and the horizontal acute angle entered between light direction are
22.4 degree, fourth plane reflecting mirror enters light direction dorsad, to the minute surface to the 3rd plane mirror, and its normal and the 3rd plane
Between the normal of reflecting mirror, acute angle is 22.4 degree.Image through Optical devices 100 reflection translate after, original left-right situs
The image of two target objects become two images being arranged above and below.4 of the optical reflection unit of these Optical devices 100
The angles and positions of eyeglass ensure that the balance of light path through strict calculating, such design, makes two pictures will not be by scape
Deep impact, it is ensured that as clear.
Above two groups of optical launchers 101,102 are installed on machinery mount, and the two left-right situs is placed on one
In shell 105 (see Fig. 2).
The cover plate 103 of a piece of high printing opacity high intensity can be installed at the light inlet of overall Optical devices 100, such as figure
Shown in 2 and Fig. 3, with water proof and dust proof, in order to protect the optics of the inside not damaged by the external world.The light inlet of cover plate
Place, can leave an installing rack 106 for polaroid or light filter, conveniently realize different optical function requirements.
At the light-emitting window of overall Optical devices, leaving an observation window 104, as shown in Figure 2, Figure 3 and Figure 4, it is permissible
Mounting interface screw thread 107, is connected directly between linear array or area array cameras 109 on these Optical devices 100, it is also possible to install light filter
Or polaroid.
The Optical devices of the present embodiment can detect by the two of these Optical devices targets simultaneously.As shown in Figure 4,
First by light source 112, the sample 114 on conveyer belt 113 is illuminated.Light source 112 can be strip light, ring light, face shape
Any type of light source such as light, wavelength can be any wavelength, can be unpolarized or polarized light, backlight can be used to shine simultaneously
Any required lighting system such as bright, frontlighting.In the present embodiment, on the observation window 104 of Optical devices 100, apolegamy
It is mounted with camera lens interface thread 107, camera lens 108 is directly installed on Optical devices.Connect after camera lens 108
Connecing the camera 109 of a linear array or face battle array, camera 109 is connected on computer 111 by connecting line 110.Sample to be detected
114 in pairs by the front of these Optical devices 100, as it is shown in figure 5, the camera 109 at these Optical devices 100 rear can be positioned at
Collect a picture being arranged above and below, as shown in Figure 6.
Embodiment two
Optical devices 100 in the present embodiment can be to the light by two polarization directions of same target exploitation of this device
Detect, as it is shown in fig. 7, sample 114A and 114B on conveyer belt 113 is illuminated (sample first by light source 112
The arrangement mode of product 114A and 114B is as shown in Figure 8).Light source 112 can be any type of light source such as strip light, plate light, ripple
Length can be any wavelength.Meanwhile, lighting system can by be back lighting, frontlighting etc. any required in the way of.
The present embodiment is essentially identical with the structure of embodiment one, and difference is, at the light inlet of Optical devices 100
Installing rack 106 front end, is provided with 0 degree of linear polarizer 119 and 45 degree of linear polarizer 120, and spread pattern is left-right situs, polaroid
Form be not limited to linear polarizer, it is also possible to being ellipsoidal polarizing plate or circular polarizing disk, the polarization angle of polaroid is also not necessarily limited to
State angle.In the present embodiment, at the light-emitting window of Optical devices 100 on observation window 104, match polaroid and light filter has been installed
Frame and camera lens interface thread 107, be directly installed on camera lens 108 on Optical devices.Polarization at light-emitting window
On sheet installing rack, top half is 90 degree of linear polarizer 121, and the latter half is-45 degree linear polarizer 122, the form of polaroid
Being not limited to linear polarizer, it is also possible to be ellipsoidal polarizing plate or circular polarizing disk, the polarization angle of polaroid is also not necessarily limited to above-mentioned angle.
Connecting a linear array or the camera 109 of face battle array after camera lens 108, camera 109 is connected to computer by connecting line 110
On 111.When sample 114B to be detected passes through 45 degree of linear polarizer 120 fronts of Optical devices 100, camera 109 gathers first
Zhang Tu, as shown in Figure 9.When sample 114B to be detected passes through 0 degree of linear polarizer 119 front of Optical devices 100, camera 109
Gather second figure, as shown in Figure 10.Sample 114A to be detected 0 degree of linear polarizer 119 front by Optical devices 100
Time, camera 109 gathers the 3rd figure, as shown in figure 11.In the picture of gained, the lower part picture of previous and afterwards a figure
The top half of sheet is one group, is the picture in the different polarization direction of same sample.
Embodiment three
Optical devices 100 in the present embodiment can enter by two optical effects of the same target of these Optical devices
Row detection, as shown in figure 12, is illuminated (sample first by light source 112 to sample 114A and 114B on conveyer belt 113
The arrangement mode of 114A and 114B is as shown in Figure 8).Light source 112 can be any type of light source such as strip light, plate light, wavelength
It can be any wavelength.Meanwhile, lighting system can by be back lighting, frontlighting etc. any required in the way of.
The present embodiment is essentially identical with the structure of embodiment one, and difference is, pacifies at the light inlet of Optical devices 100
Shelving the front end of 106, be provided with the eyeglass 115 and 116 of two kinds of different optical effects, spread pattern is left-right situs.In this reality
Execute in example, at the light-emitting window of Optical devices 100 on observation window 104, camera lens 108 is directly installed on these Optical devices.
In addition to the eyeglass 115 and 116 of two kinds of different optical effects is installed on the installing rack 106 at light inlet, it is possible at light-emitting window
Installing the eyeglass 117 and 118 of two kinds of different optical effects on the installing rack at place, spread pattern is for being arranged above and below.Camera lens 108
Connecting a linear array or the camera 109 of face battle array afterwards, camera is connected on computer 111 by connecting line 110.Sample to be detected
When product 114B passes through optical effect eyeglass 116 front of Optical devices 100, camera 109 gathers first figure, as shown in Figure 9.Treat
When the sample 114B of detection passes through optical effect eyeglass 115 front of Optical devices 100, camera 109 gathers second figure, such as figure
Shown in 10.When sample 114A to be detected is by optical effect eyeglass 115 front of these Optical devices 100, camera 109 gathers the
Three figures, as shown in figure 11.In the picture of gained, the top half of the lower part picture of previous and afterwards a pictures is one
Group, is the picture of the different optical effects of same sample.
It should be noted that embodiment two describes two kinds of different use scenes of the present utility model with three, owing to the two is main
Distinguish and be used eyeglass, so Fig. 8-11 all can be utilized to schematically illustrate the imaging contexts of the two.
Optical devices in above-mentioned three kinds of embodiments, carry out Product checking if, with become image, then need gained
To image process.Specifically, in the image that each width gathers, we use corrosion, expand scheduling algorithm computing, right
Sample defect that may be present detects, and provides measurement result.
Although principle of the present utility model being described in detail above in conjunction with preferred embodiment of the present utility model,
It should be appreciated by those skilled in the art that above-described embodiment is only the explanation to exemplary implementation of the present utility model, and
The non-restriction that this utility model is comprised scope.Details in embodiment is not intended that the restriction to this utility model scope,
In the case of spirit and scope of the present utility model, any equivalent transformations based on technical solutions of the utility model, letter
Single replacements etc. are obvious to be changed, within all falling within this utility model protection domain.
Claims (10)
1. the Optical devices for imaging compression, it is characterised in that it is anti-that described Optical devices (100) comprise first group of optics
Injection device (101) and second group of optical reflection unit (102), the two left-right situs, for by two objects of left-right situs
The image of body is converted into two images being arranged above and below,
Described first group of optical reflection unit (101) includes the first reflecting mirror and the second reflecting mirror, the mirror of described first reflecting mirror
Facing to the light direction that enters of described Optical devices, and minute surface is diagonally downward, the most described light of minute surface of described second reflecting mirror
Learn device enter light direction, to described first reflecting mirror, and minute surface tilts upward；
Described second group of optical reflection unit (102) includes the 3rd reflecting mirror and the 4th reflecting mirror, described 3rd reflecting mirror towards
Described Optical devices enter light direction and with described enter light direction there is a horizontal acute angle, described 4th reflecting mirror is dorsad
Described enter light direction, to the minute surface to described 3rd reflecting mirror, and the normal of its normal and described 3rd reflecting mirror has one
Horizontal acute angle.
Optical devices for imaging compression the most according to claim 1, it is characterised in that the method for described first reflecting mirror
Line direction and horizontal direction have the angle of 45 degree obliquely；The normal direction of described second reflecting mirror and horizontal direction have tiltedly
Upwards 41 degree of angles.
Optical devices for imaging compression the most according to claim 1, it is characterised in that the method for described 3rd reflecting mirror
Line and described enter angle between light direction be 22.4 degree, the normal of described 4th reflecting mirror and the normal of described 3rd reflecting mirror
Between angle be 22.4 degree.
Optical devices for imaging compression the most according to claim 1, it is characterised in that outside described Optical devices include
Shell and machinery mount, described first group of optical reflection unit (101) and second group of optical reflection unit (102) are separately mounted to respectively
From machinery mount on, in being placed in described shell (105).
Optical devices for imaging compression the most according to claim 4, it is characterised in that described shell sets on (105)
There are light inlet and light-emitting window, at described light inlet, are provided with cover plate (103), at described light-emitting window, are provided with observation window
(104)。
Optical devices for imaging compression the most according to claim 5, it is characterised in that described cover plate (103)
Front end be provided with installing rack (106), for installing the first polaroid or light filter, described observation window (104) is provided with interface dress
Put (107), be used for connecting linear array or area array cameras, or the second polaroid or light filter are installed.
Optical devices for imaging compression the most according to claim 6, it is characterised in that the described first or second polarization
Sheet is linear polarizer, ellipsoidal polarizing plate or circular polarizing disk.
Optical devices for imaging compression the most according to claim 6, it is characterised in that described installing rack (106)
0 degree of linear polarizer (119) and 45 degree of linear polarizer (120) are installed in front end, and described observation window (104) is upper installs 90 degree of linear polarizer
(121) and-45 degree linear polarizer (122), the polaroid on described observation window (104) is arranged above and below.
Optical devices for imaging compression the most according to claim 6, it is characterised in that described installing rack (106)
Front end is provided with the eyeglass (115,116) of the different optical effects of two panels left-right situs, and described observation window is provided with two on (104)
The eyeglass (117,118) of the different optical effects that sheet is arranged above and below.
Optical devices for imaging compression the most according to any one of claim 1 to 9, it is characterised in that described light
Learn device (100) and comprise the described optical reflection unit more than two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620668669.2U CN205787331U (en) | 2016-06-30 | 2016-06-30 | A kind of Optical devices for imaging compression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620668669.2U CN205787331U (en) | 2016-06-30 | 2016-06-30 | A kind of Optical devices for imaging compression |
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| CN205787331U true CN205787331U (en) | 2016-12-07 |
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| CN201620668669.2U Expired - Fee Related CN205787331U (en) | 2016-06-30 | 2016-06-30 | A kind of Optical devices for imaging compression |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647147A (en) * | 2017-02-15 | 2017-05-10 | 苏州德创测控科技有限公司 | Non-coplanar image acquisition device |
| CN113163188A (en) * | 2021-05-27 | 2021-07-23 | 杭州小肤科技有限公司 | 3D structured light full-face imaging device combined with optical reflection imaging |
-
2016
- 2016-06-30 CN CN201620668669.2U patent/CN205787331U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647147A (en) * | 2017-02-15 | 2017-05-10 | 苏州德创测控科技有限公司 | Non-coplanar image acquisition device |
| CN106647147B (en) * | 2017-02-15 | 2022-05-17 | 苏州德创测控科技有限公司 | Non-coplanar image acquisition device |
| CN113163188A (en) * | 2021-05-27 | 2021-07-23 | 杭州小肤科技有限公司 | 3D structured light full-face imaging device combined with optical reflection imaging |
| CN113163188B (en) * | 2021-05-27 | 2022-03-04 | 杭州小肤科技有限公司 | 3D structured light full-face imaging device combined with optical reflection imaging |
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