CN107345849A - Eyeglass detects and calibration tool and method - Google Patents
Eyeglass detects and calibration tool and method Download PDFInfo
- Publication number
- CN107345849A CN107345849A CN201710747578.7A CN201710747578A CN107345849A CN 107345849 A CN107345849 A CN 107345849A CN 201710747578 A CN201710747578 A CN 201710747578A CN 107345849 A CN107345849 A CN 107345849A
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- eyeglass
- adjustment frame
- rangefinder
- calibration tool
- locating shaft
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Eyeglasses (AREA)
- Lens Barrels (AREA)
Abstract
The present invention relates to eyeglass detection field, more particularly, to a kind of detection of eyeglass and calibration tool and method.It is not high and detect the problem of data can not directly be read to alleviate accuracy of detection present in prior art.Including eyeglass adjustment frame, for installing eyeglass, the eyeglass can be driven to be moved in the horizontal plane along the axis direction perpendicular to the eyeglass, and the axis direction that can surround the eyeglass rotates the eyeglass.Locator is used for the horizontality for judging eyeglass.Rangefinder can move up and down and can be along the axis direction horizontal movement for the eyeglass being installed in the eyeglass adjustment frame, for reading the optical data of eyeglass.The positioning of eyeglass is realized by eyeglass adjustment frame and locator, the measurement of optical data is realized by rangefinder, and rangefinder can realize directly reading for optical data, and detection process more automates, the not high technical problem of the precision artificially measured is avoided.
Description
Technical field
The present invention relates to eyeglass detection field, more particularly, to a kind of detection of eyeglass and calibration tool and method.
Background technology
Galvanometer eyeglass be scanning galvanometer in the scan control application process to laser, pass through the pendulum of X and Y reflecting optics
It is dynamic, laser is realized in working face and is accurately positioned at a high speed.Because laser directly acts on galvanometer lens surface, so galvanometer
Adhesive reinforcement just become vibration mirror scanning application important foundation, and as the appraisal standards of galvanometer quality and optical property it
One, final Laser Processing effect will be directly influenced.
Conventional eyeglass detection method is reflection feux rouges swing method.But this mode can not accurately detect eyeglass to rotation
Turn the data such as the depth of parallelism of central shaft, symmetry, data can not directly be read, and accuracy of detection is not high.
Thus, it is not high and detect data and can not directly read etc. and ask accuracy of detection to be present in eyeglass of the prior art detection
Topic.
The content of the invention
It is an object of the invention to provide a kind of detection of eyeglass and calibration tool and method, exist in the prior art to alleviate
Accuracy of detection it is not high and detect the problem of data can not directly be read.
In order to solve the above technical problems, technical scheme provided by the invention is：
A kind of eyeglass detection and calibration tool, including：
Eyeglass adjustment frame, for installing eyeglass, can drive the eyeglass in the horizontal plane along perpendicular to the eyeglass
Axis direction moves, and the axis direction that can surround the eyeglass rotates the eyeglass；
Locator, for judging the horizontality of eyeglass；
Rangefinder, can move up and down and can be along the axis direction water for the eyeglass being installed in the eyeglass adjustment frame
Flat motion, for reading the optical data of eyeglass.
Further,
The eyeglass adjustment frame includes：
Adjustment frame housing, there is through hole；
Locating shaft, through the through hole, it is detachably connected with the adjustment frame housing by latch assembly and installation end
It is provided with jaws.
Further,
The latch assembly includes the first positioner and the second positioner,
First positioner includes clip and locking member, and two free ends of the clip are provided with perforate, institute
Locking member is stated through two perforates to adjust the tightness of clip；
Second positioner offsets through the adjustment frame housing and end with the locating shaft.
Further,
The eyeglass adjustment frame also includes the first sliding equipment, and first sliding equipment includes the first sliding block and first and slided
Rail, first sliding block are connected with the adjustment frame housing, and first sliding block is used to drive the adjustment frame along described first
Slide rail moves.
Further,
The locator includes retainer body and locating rod；
The locating rod is connected with the retainer body by telescopic component, the locating rod and the telescopic component
Telescopic direction is vertical and axial line is perpendicular to the plane where the eyeglass.
Further,
The rangefinder also includes height adjustment mechanism；
The height adjustment mechanism include fixed frame, the activity framework for being set in the fixed frame, top with it is described
The telescoping rod of the fixed frame is stretched into the connection of activity framework and bottom, wherein, the rangefinder and the activity framework
Connection.
Further,
The rangefinder also includes the second sliding equipment, and second sliding equipment includes the second sliding block and the second slide rail,
Second sliding block is connected by connecting plate with the fixed frame；Second slide rail extends perpendicularly to described first
The bearing of trend of slide rail.
Further,
The rangefinder also includes drive device, and the drive device acts on the second cunning of second sliding equipment
Block, for driving second sliding block to be slided along second slide rail.
Further,
The frock is provided with locating shaft and substitutes area, and the locating shaft substitutes the positioning that area is preset with multiple different models
Axle.
A kind of eyeglass detection and calibration method, including：
The locating shaft matched with eyeglass to be detected is selected, the locating shaft is installed on eyeglass adjustment frame, rotated locating shaft
Until the free end of the locating rod of the reflecting surface contact locator of eyeglass level and eyeglass, to complete horizontal just positioning；
Direction of the eyeglass adjustment frame along the first slide rail is driven to move until the eyeglass adjustment frame is located at rangefinder
Workspace；
The height of rangefinder is adjusted to meet ranging requirement, rangefinder is slided along the second slide direction, to read eyeglass axle
Every detection data in line direction；
Rotated locating shaft until eyeglass be in vertical state, read vertical state to the every of eyeglass detect data.
With reference to above technical scheme, the beneficial effect that the present invention can reach is：
During specifically used, eyeglass to be detected is installed on eyeglass adjustment frame, because eyeglass adjustment frame can surround
The axis rotation of eyeglass, thus rotary fine adjustment eyeglass can be passed through.Because locator can determine that the horizontality of eyeglass, thus
The cooperation of adjustment frame and locator enables to eyeglass keep level.After eyeglass level, mobile eyeglass is so that eyeglass is located at survey
The workspace of distance meter, namely positioned at rangefinder can test zone.Because rangefinder can move up and down, surveyed so as to adjust
Spacing between distance meter and eyeglass is to adapt to different measurement demands.After the completion of the height adjustment of rangefinder, rangefinder is driven
Along the axis direction horizontal movement for the eyeglass being installed in the eyeglass adjustment frame, to read each optics of eyeglass axis direction
Data.
It was found from the above-mentioned course of work, in technical scheme provided by the invention, pass through eyeglass adjustment frame and locator
The positioning of eyeglass is realized, the measurement of optical data is realized by rangefinder, and rangefinder can realize optical data
Directly read, detection process more automates, and avoids the not high technical problem of the precision artificially measured.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of eyeglass provided in an embodiment of the present invention detection and calibration tool；
Fig. 2 is the structural representation of eyeglass provided in an embodiment of the present invention detection and calibration tool；
Fig. 3 is the top view of eyeglass provided in an embodiment of the present invention detection and calibration tool；
Fig. 4 is the enlarged drawing of eyeglass provided in an embodiment of the present invention detection and the eyeglass adjustment frame in calibration tool.
Icon：100- eyeglass adjustment frames；200- locators；300- rangefinders；400- locating shafts substitute area；110-
Adjustment frame housing；120- locating shafts；130- latch assemblies；The positioners of 131- first；The positioners of 132- second；
The sliding equipments of 140- first；The sliding blocks of 141- first；The slide rails of 142- first；210- retainer bodies；220- locating rods；310-
Height adjustment mechanism；311- fixed frames；312- activity frameworks；The sliding equipments of 320- second.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment 1 and embodiment 2 are described in detail below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of eyeglass provided in an embodiment of the present invention detection and calibration tool；Fig. 2 is implemented for the present invention
The eyeglass detection and the structural representation of calibration tool that example provides；Fig. 3 is that eyeglass provided in an embodiment of the present invention is detected and calibrated
The top view of frock；Fig. 4 is the enlarged drawing of eyeglass provided in an embodiment of the present invention detection and the eyeglass adjustment frame in calibration tool.
Embodiment 1
A kind of eyeglass detection and calibration tool are present embodiments provided, including：
Eyeglass adjustment frame 100, for installing eyeglass, can drive eyeglass in the horizontal plane along perpendicular to the axis side of eyeglass
To motion, and the axis direction rotation eyeglass of eyeglass can be surrounded；
Locator 200, for judging the horizontality of eyeglass；
Rangefinder 300, can move up and down and can be along the axis direction for the eyeglass being installed in eyeglass adjustment frame 100
Horizontal movement, for reading the optical data of eyeglass.
During specifically used, eyeglass to be detected is installed on eyeglass adjustment frame 100, due to the energy of eyeglass adjustment frame 100
Axis enough around eyeglass rotates, thus can pass through rotary fine adjustment eyeglass.Because locator 200 can determine that the level of eyeglass
State, thus the cooperation of adjustment frame and locator 200 enables to eyeglass keep level.After eyeglass level, mobile eyeglass with
Eyeglass is located at the workspace of rangefinder 300, namely positioned at rangefinder 300 can test zone.Due to rangefinder 300 can on
Lower motion, so as to adjust the spacing between rangefinder 300 and eyeglass to adapt to different measurement demands.In rangefinder 300
Height adjustment after the completion of, the horizontal fortune of axis direction of the driving rangefinder 300 along the eyeglass being installed in eyeglass adjustment frame 100
It is dynamic, to read each optical data of eyeglass axis direction.
It was found from the above-mentioned course of work, in the technical scheme that the present embodiment provides, by eyeglass adjustment frame 100 and determine
Position device 200 realizes the positioning of eyeglass, the measurement of optical data is realized by rangefinder 300, and rangefinder 300 can be real
Existing optical data is directly read, and detection process more automates, and avoids the not high technical problem of the precision artificially measured.
In the alternative of the present embodiment, more preferably,
Eyeglass adjustment frame 100 includes adjustment frame housing 110 and locating shaft 120.Adjustment frame housing 110 is provided with through hole.
Locating shaft 120 passes through through hole, is detachably connected with adjustment frame housing 110 by latch assembly 130 and installation end is provided with folder
Mouthful.Further, locating shaft 120 includes bar portion and head, and bar portion is fixedly connected with head, and the free end of bar portion is provided with
Jaws, jaws are used for clipped lens.
In the alternative of the present embodiment, more preferably,
Latch assembly 130 includes the first positioner 131 and the second positioner 132.
First positioner 131 includes clip and locking member, and two free ends of clip are provided with perforate, and locking member is worn
Two perforates are crossed to adjust the tightness of clip.Clip is located between adjustment frame housing 110 and the head of locating shaft 120, also
It is capable of head and the adjustment frame housing 110 of positioned at intervals axle 120.Further, locking member can be bolt.
Second positioner 132 offsets through adjustment frame housing 110 and end with locating shaft 120.Further,
Two positioners 132 are arranged to bolt, and the bar portion of bolt passes through the bar portion after adjustment frame housing 110 with locating shaft 120 to offset.
In the alternative of the present embodiment, more preferably,
Eyeglass adjustment frame 100 also includes the first sliding equipment 140, and the first sliding equipment 140 includes the first sliding block 141 and the
One slide rail 142, the first sliding block 141 are connected with adjustment frame housing 110, and the first sliding block 141 is used to drive adjustment frame along the first slide rail
142 movements.Further, the type of drive of the first sliding block 141 is manual actuation, holds the first sliding block 141 or with first
Position of the adjustment frame housing 110 that sliding block 141 connects with the first sliding block 141 of fine setting relative to the first slide rail 142.Adjust manually
Mode flexibility is higher, and cost is lower.Further, the type of drive of the first sliding block 141 is automatically controlled driving, such as the
One sliding block 141 is connected with spindle motor mechanism, and motor driving guide screw movement, leading screw promotes the first sliding block 141 along the first slide rail 142
Slide.The mode precision of automatically controlled driving is higher, and adaptability is stronger.
In the alternative of the present embodiment, more preferably,
Locator 200 includes retainer body 210 and locating rod 220；Locating rod 220 passes through with retainer body 210
Telescopic component connects, and locating rod 220 is vertical with the telescopic direction of telescopic component and axial line is perpendicular to flat where eyeglass
Face.Telescopic component is for example including the first slide plate and the second slide plate.One end of first slide plate is installed on retainer body 210, separately
One end is connected with the second slide plate, and one end away from the first slide plate of the second slide plate is connected with locating rod 220, and locating rod 220 is vertical
Plane where the second slide plate.Pulley is provided with first slide plate, slide rail is provided with the second slide plate, or, the first slide plate
On be provided with slide rail, be provided with pulley on the second slide plate.Certainly, above-mentioned pulley structure can also pass through the other structures such as axle sleeve
Substitute.
In the alternative of the present embodiment, more preferably,
Rangefinder 300 also includes height adjustment mechanism 310；Height adjustment mechanism 310 includes fixed frame 311, is set in
Activity framework 312, top and the activity framework 312 of fixed frame 311 connect and the expansion link of fixed frame 311 is stretched into bottom
Part, wherein, rangefinder 300 is connected with activity framework 312.
In the alternative of the present embodiment, more preferably,
Rangefinder 300 also includes the second sliding equipment 320, and the second sliding equipment 320 includes the second sliding block and the second slide rail,
Second sliding block is connected by connecting plate with fixed frame 311；The extension for extending perpendicularly to the first slide rail 142 of second slide rail
Direction.Further, the type of drive of the second sliding block is manual actuation, hand-held second sliding block or is connected with the second sliding block
Position of the fixed frame 311 with the second sliding block of fine setting relative to the second slide rail.The mode flexibility adjusted manually is higher, and into
This is lower.Further, the type of drive of the second sliding block is automatically controlled driving, such as the second sliding block and spindle motor mechanism phase
Even, motor driving guide screw movement, leading screw promote the second sliding block to be slided along the second slide rail.The mode precision of automatically controlled driving is higher, fits
Answering property is stronger.
In the alternative of the present embodiment, more preferably,
Rangefinder 300 also includes drive device, and drive device acts on the second sliding block of the second sliding equipment 320, is used for
The second sliding block is driven to be slided along the second slide rail.Drive device for example can be spindle motor mechanism, or hydraulic mechanism.
In the alternative of the present embodiment, more preferably,
Frock is provided with locating shaft 120 and substitutes area 400, and locating shaft 120 substitutes area 400 and is preset with determining for multiple different models
Position axle 120.Because the afterbody of different eyeglasses needs various sizes of jaws to clamp eyeglass, thus needed for different eyeglasses
It is equipped with different locating shafts 120.Locating shaft 120 is set to substitute area 400, being capable of convenient use personnel's unrestricted choice.It is specific and
Speech, locating shaft 120, which substitutes area 400, includes mounting cylinder, and multiple mounting grooves are provided with mounting cylinder, locating shaft is accommodated in mounting groove
120。
Embodiment 2
A kind of eyeglass detection and calibration method are present embodiments provided, including：
S1：The locating shaft 120 matched with eyeglass to be detected is selected, locating shaft 120 is installed on eyeglass adjustment frame 100, is revolved
Turn locating shaft 120 until the reflecting surface of eyeglass level and eyeglass contacts the free end of the locating rod 220 of locator 200, with complete
Just positioned into level；
S2：Driving eyeglass adjustment frame 100 is moved along the direction of the first slide rail 142 until eyeglass adjustment frame 100 is located at ranging
The workspace of instrument 300；
S3：The height of rangefinder 300 is adjusted to meet ranging requirement, rangefinder 300 is slided along the second slide direction, to read
Every detection data of appearance piece axis direction；
S4：Rotated locating shaft 120 until eyeglass be in vertical state, reading vertical state to eyeglass every testing number
According to.
It was found from the above-mentioned course of work, in the technical scheme that the present embodiment provides, by eyeglass adjustment frame 100 and determine
Position device 200 realizes the positioning of eyeglass, the measurement of optical data is realized by rangefinder 300, and rangefinder 300 can be real
Existing optical data is directly read, and detection process more automates, and avoids the not high technical problem of the precision artificially measured.
Further, in above-mentioned steps S1, more specifically, the first positioner 131 and the second positioner are rotated
132 with locking positioning axle 120 in eyeglass adjustment frame 100.
Further, in above-mentioned steps S2, more specifically, manual actuation eyeglass adjustment frame 100 is along the first slide rail 142
Direction motion until eyeglass adjustment frame 100 is located at the workspace of rangefinder 300；Or the automatically controlled edge of driving eyeglass adjustment frame 100
The direction motion of first slide rail 142 is until eyeglass adjustment frame 100 is located at the workspace of rangefinder 300；
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of eyeglass detection and calibration tool, it is characterised in that including：
Eyeglass adjustment frame, for installing eyeglass, can drive the eyeglass in the horizontal plane along the axis perpendicular to the eyeglass
Direction is moved, and the axis direction that can surround the eyeglass rotates the eyeglass；
Locator, for judging the horizontality of eyeglass；
Rangefinder, it can move up and down and can be transported along the axis direction level for the eyeglass being installed in the eyeglass adjustment frame
It is dynamic, for reading the optical data of eyeglass.
2. eyeglass detection according to claim 1 and calibration tool, it is characterised in that
The eyeglass adjustment frame includes：
Adjustment frame housing, there is through hole；
Locating shaft, through the through hole, it is detachably connected with the adjustment frame housing by latch assembly and installation end is set
There is jaws.
3. eyeglass detection according to claim 2 and calibration tool, it is characterised in that
The latch assembly includes the first positioner and the second positioner,
First positioner includes clip and locking member, and two free ends of the clip are provided with perforate, the lock
Tight part passes through two perforates to adjust the tightness of clip；
Second positioner offsets through the adjustment frame housing and end with the locating shaft.
4. eyeglass detection according to claim 2 and calibration tool, it is characterised in that
The eyeglass adjustment frame also includes the first sliding equipment, and first sliding equipment includes the first sliding block and the first slide rail,
First sliding block is connected with the adjustment frame housing, and first sliding block is used to drive the adjustment frame along first slide rail
It is mobile.
5. eyeglass detection according to claim 4 and calibration tool, it is characterised in that
The locator includes retainer body and locating rod；
The locating rod is connected with the retainer body by telescopic component, and the locating rod is flexible with the telescopic component
Direction is vertical and axial line is perpendicular to the plane where the eyeglass.
6. eyeglass detection according to claim 5 and calibration tool, it is characterised in that
The rangefinder also includes height adjustment mechanism；
The height adjustment mechanism includes fixed frame, the activity framework for being set in the fixed frame, top and the activity
The telescoping rod of the fixed frame is stretched into framework connection and bottom, wherein, the rangefinder is connected with the activity framework.
7. eyeglass detection according to claim 6 and calibration tool, it is characterised in that
The rangefinder also includes the second sliding equipment, and second sliding equipment includes the second sliding block and the second slide rail, described
Second sliding block is connected by connecting plate with the fixed frame；Second slide rail extends perpendicularly to first slide rail
Bearing of trend.
8. eyeglass detection according to claim 7 and calibration tool, it is characterised in that
The rangefinder also includes drive device, and the drive device acts on the second sliding block of second sliding equipment, uses
Slided in driving second sliding block along second slide rail.
9. eyeglass detection according to claim 1 and calibration tool, it is characterised in that
The frock is provided with locating shaft and substitutes area, and the locating shaft substitutes the locating shaft that area is preset with multiple different models.
10. a kind of eyeglass detection and calibration method, it is characterised in that including：
Select the locating shaft that is matched with eyeglass to be detected, the locating shaft be installed on eyeglass adjustment frame, rotated locating shaft up to
The free end of the locating rod of the reflecting surface contact locator of the eyeglass level and eyeglass, to complete horizontal just positioning；
Direction of the eyeglass adjustment frame along the first slide rail is driven to move until the eyeglass adjustment frame is located at the work of rangefinder
Area；
The height of rangefinder is adjusted to meet ranging requirement, rangefinder is slided along the second slide direction, to read eyeglass axis side
To every detection data；
Rotated locating shaft until eyeglass be in vertical state, read vertical state to the every of eyeglass detect data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710747578.7A CN107345849B (en) | 2017-08-25 | 2017-08-25 | Lens detection and calibration tool and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710747578.7A CN107345849B (en) | 2017-08-25 | 2017-08-25 | Lens detection and calibration tool and method |
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| CN110146448A (en) * | 2019-05-16 | 2019-08-20 | 佛山科学技术学院 | A kind of architectural engineering detection mirror |
| CN110153923A (en) * | 2019-06-28 | 2019-08-23 | 江苏金海创科技有限公司 | Eight station eyeglass adhesive tool of rotating disc type |
| CN110515171A (en) * | 2019-09-09 | 2019-11-29 | 广东中科奥辉科技有限公司 | A kind of adjustable optical filtering bar |
| CN110954135A (en) * | 2019-12-11 | 2020-04-03 | 小狗电器互联网科技（北京）股份有限公司 | Tool for detecting rotation of IMU (inertial measurement Unit) assembly and IMU assembly rotation detection method |
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| CN112240824A (en) * | 2019-07-16 | 2021-01-19 | 三赢科技（深圳）有限公司 | Testing device |
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| CN108871737B (en) * | 2018-07-23 | 2023-10-13 | 中国工程物理研究院激光聚变研究中心 | Multifunctional optical element mounting and leveling platform |
| CN110146448A (en) * | 2019-05-16 | 2019-08-20 | 佛山科学技术学院 | A kind of architectural engineering detection mirror |
| CN110153923A (en) * | 2019-06-28 | 2019-08-23 | 江苏金海创科技有限公司 | Eight station eyeglass adhesive tool of rotating disc type |
| CN110153923B (en) * | 2019-06-28 | 2024-02-06 | 江苏金海创科技有限公司 | Eight station lenses of carousel formula bond frock |
| CN112240824A (en) * | 2019-07-16 | 2021-01-19 | 三赢科技（深圳）有限公司 | Testing device |
| CN110515171A (en) * | 2019-09-09 | 2019-11-29 | 广东中科奥辉科技有限公司 | A kind of adjustable optical filtering bar |
| CN110954135A (en) * | 2019-12-11 | 2020-04-03 | 小狗电器互联网科技（北京）股份有限公司 | Tool for detecting rotation of IMU (inertial measurement Unit) assembly and IMU assembly rotation detection method |
| CN111141744A (en) * | 2019-12-31 | 2020-05-12 | 广州维思车用部件有限公司 | Lens detection device |
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