CN108398114A - Curved surface side edge thereof curvature measurement device, measuring system and measurement method - Google Patents
Curved surface side edge thereof curvature measurement device, measuring system and measurement method Download PDFInfo
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- CN108398114A CN108398114A CN201810147337.3A CN201810147337A CN108398114A CN 108398114 A CN108398114 A CN 108398114A CN 201810147337 A CN201810147337 A CN 201810147337A CN 108398114 A CN108398114 A CN 108398114A
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- curved surface
- side edge
- range sensor
- surface side
- curvature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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Abstract
The invention discloses a kind of curved surface side edge thereof curvature measurement device, measuring system and measurement methods, the measuring device includes substrate and flexible membrane, the range sensor of multiple fixed settings is implanted in the flexible membrane, the range sensor is for measuring the distance between each range sensor and substrate.The present invention in flexible membrane by being implanted into range sensor, flexible membrane whole face is attached in curved surface lid surface to be measured, the measurement of curved surface side edge thereof curvature can be realized in the distance measured according to range sensor, flexible membrane contacts the deformation that will not cause curved surface lid surface with curved surface lid surface, the measurement accuracy of curved surface side edge thereof curvature is improved, and curved surface lid surface will not be damaged.
Description
Technical field
The present invention relates to flexible display technologies fields, more particularly to a kind of curved surface side edge thereof curvature of whole face cover type
Measuring device, measuring system and measurement method.
Background technology
With the mature of flexible display screen manufacturing technology, display panel edge becomes Curved from conventional planar (2D)
The design of (3D) is also more and more, and the concept of Curved Cover Glass (hereinafter referred to as CCG) is following, i.e., a kind of bending
Bend glass cover board.The CCG steps of cover board manufacturer production at present include mother matrix glass CNC sawing sheets, edging, hot bending, chemistry
The technological processes such as reinforcing.
Current curved surface side edge thereof curvature measurement method is divided into contactless and two kinds of contact.
Join shown in Fig. 1, non-contact measurement is beaten one by one by the relative distance of measurement laser head 20' and curved surface cover board 10'
Point comes the track that recording laser head is advanced, to simulate the curvature of curved surface cover board, but due to light glass surface have refraction with it is anti-
The phenomenon that penetrating causes the edge measured can be variant with actual numerical value.
Join shown in Fig. 2, in contact measurement method, probe 30' with curved surface cover board 10' while contacting, due to curved surface
Lid surface generates deformation and probe the contact factors such as built on the sand, also leads to the edge measured inaccuracy.
Therefore, in view of the above technical problems, it is necessary to which a kind of curved surface side edge thereof curvature measurement of whole face cover type is provided
Device, measuring system and measurement method.
Invention content
In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a kind of curved surface side edge thereof curvature measurement dresses
It sets, measuring system and measurement method, is measured by the way of whole face covering, improve the measurement accuracy of edge.
To achieve the goals above, the technical solution that one embodiment of the invention provides is as follows：
A kind of curved surface side edge thereof curvature measurement device, the measuring device include substrate and flexible membrane, the flexible membrane
In be implanted with the range sensors of multiple fixed settings, the range sensor is for measuring between each range sensor and substrate
Distance.
As a further improvement on the present invention, the edge of at least covering surface cover board of the range sensor in the flexible membrane
Part.
As a further improvement on the present invention, the Young's modulus of the flexible membrane is less than or equal to predetermined threshold value.
As a further improvement on the present invention, the range sensor is set to the bottom of flexible membrane.
As a further improvement on the present invention, the flexible membrane includes intermediate region and fringe region, fringe region middle-range
Distribution density from sensor is more than the distribution density of range sensor in intermediate region.
The technical solution that another embodiment of the present invention provides is as follows：
A kind of curved surface side edge thereof curvature measuring system, the measuring system include measuring device and data processing unit,
Wherein,
The measuring device is above-mentioned measuring device；
Each range sensor and substrate the distance between of the data processing unit for being measured according to range sensor
Curved surface side edge thereof curvature is calculated.
The technical solution that yet another embodiment of the invention provides is as follows：
A kind of curved surface side edge thereof curvature measurement method, the measurement method include：
S1, curved surface cover board to be measured is placed on substrate, is being implanted with the flexible membrane of the range sensor of multiple fixed settings just
Face paste invests curved surface lid surface to be measured, obtains the measurement distance between each range sensor and substrate；
S2, it is fitted to obtain curved surface side edge thereof curvature according to measurement distance.
As a further improvement on the present invention, further include before the step S1：
The flexible membrane for the range sensor for being implanted with multiple fixed settings is positioned on substrate, each range sensor is obtained
Initial distance between substrate.
As a further improvement on the present invention, the initial distance between the range sensor and substrate is 0.
As a further improvement on the present invention, the step S2 is specially：
According to the difference of measurement distance and initial distance, fitting obtains curved surface side edge thereof curvature.
The present invention is attached at curved surface lid surface to be measured by being implanted into range sensor in flexible membrane, by flexible membrane whole face
On, the measurement of curved surface side edge thereof curvature, flexible membrane and curved surface cover board table can be realized in the distance measured according to range sensor
Face contacts the deformation that will not cause curved surface lid surface, improves the measurement accuracy of curved surface side edge thereof curvature, and will not damage
Curved surface lid surface.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in invention, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram of non-contact measurement curved surface side edge thereof curvature in the prior art.
Fig. 2 is the schematic diagram of contact type measurement curved surface side edge thereof curvature in the prior art.
Fig. 3 is the structural schematic diagram of 1 mean camber side edge thereof curvature measurement device of the embodiment of the present invention.
Structural schematic diagram when Fig. 4 is measuring device measurement curved surface side edge thereof curvature in the embodiment of the present invention 1.
Fig. 5 is the particular flow sheet of 2 mean camber side edge thereof curvature measurement method of the embodiment of the present invention.
Fig. 6 is matched curve figure in the embodiment of the present invention 2.
Fig. 7 is the module diagram of 3 mean camber side edge thereof curvature measuring system of the embodiment of the present invention.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work, should all belong to protection of the present invention
Range.
The invention discloses a kind of curved surface side edge thereof curvature measurement device, measuring device includes substrate and flexible membrane, soft
Property film in be implanted with the range sensors of multiple fixed settings, the range sensor is for measuring each range sensor and substrate
The distance between.
Correspondingly, the invention discloses a kind of curved surface side edge thereof curvature measuring system, measuring system includes measuring device
And data processing unit, wherein
Measuring device is above-mentioned measuring device；
The distance between each range sensor and substrate that data processing unit is used to be measured according to range sensor calculate
Obtain curved surface side edge thereof curvature.
In addition, the invention also discloses a kind of curved surface side edge thereof curvature measurement method, measurement method includes：
S1, curved surface cover board to be measured is placed on substrate, is being implanted with the flexible membrane of the range sensor of multiple fixed settings just
Face paste invests curved surface lid surface to be measured, obtains the measurement distance between each range sensor and substrate；
S2, it is fitted to obtain curved surface side edge thereof curvature according to measurement distance.
Wherein, the curved surface cover board in the present invention can be that bend glass cover board (CCG, Curved Cover Glass) also may be used
Think the cover board of other bendings.
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1：
To join shown in Fig. 3, the curved surface side edge thereof curvature measurement device in present embodiment includes substrate 10 and flexible membrane 20,
The range sensor 21 of multiple fixed settings is implanted in flexible membrane 20, in conjunction with shown in Fig. 4, curved surface cover board 30 to be measured is placed in substrate
Between 10 and flexible membrane 20, range sensor is for measuring the distance between each range sensor and substrate.
Wherein, the flexible membrane in the present embodiment can front be covered in curved surface cover board and substrate surface to be measured, it is preferable that it is flexible
The Young's modulus (Young's modulus) of film is less than or equal to predetermined threshold value E0.What Young's modulus was weighed is one respectively to same
Property elastomer rigidity (stiffness), be defined as Hooke's law be applicable in range in, between simple stress and Uniaxial Deformation
Ratio.Different setting predetermined threshold value E according to demand0, when the Young's modulus E for meeting flexible membrane is less than or equal to predetermined threshold value E0
When, you can realize whole face covering of the flexible face on curved surface cover board.
Further, in this embodiment flexible membrane at least lower surface have weak viscosity, so can both ensure that front was covered
Stability when being placed on curved surface cover board to be measured, and can ensure that flexible membrane can be removed easily from curved surface lid surface, and
Curved surface lid surface to be measured will not be damaged.
In order to measure curved surface side edge thereof curvature to be measured when in the present embodiment, therefore, as shown in figure 4, in flexible membrane 20
Range sensor 21 at least covers the marginal portion of curved surface cover board 30 to be measured.
Due to apart from sensor measurement being the distance between each range sensor and substrate in the present embodiment, in order to improve
Each range sensor 21, is preferably set to the bottom of flexible membrane 20 by measurement accuracy, and the distance measured at this time is regarded as soft
Property the distance between film and substrate.
In addition, flexible membrane includes intermediate region and fringe region, the intermediate region of flexible membrane is covered in the piece of curved surface cover board
Face part, the fringe region of flexible membrane are covered in the fringe region of curved surface cover board, in order to improve the survey of curved surface side edge thereof curvature
Accuracy of measurement, it is preferable that the distribution density of range sensor is close more than the distribution of range sensor in intermediate region in fringe region
Degree.
Embodiment 2：
Join shown in Fig. 5, the curved surface side edge thereof curvature measurement method in the present embodiment specifically includes following steps：
1, in conjunction with shown in Fig. 3, the flexible membrane 20 for the range sensor 21 for being implanted with multiple fixed settings is positioned over substrate
On 10, the initial distance l between each range sensor 21 and substrate 10 is obtained；
2, curved surface cover board 30 to be measured is placed on substrate 10, is implanted with the flexibility of the range sensor 21 of multiple fixed settings
20 front of film is attached at 30 surface of curved surface cover board to be measured, obtains the measurement distance L between each range sensor 21 and substrate 10；
3, according to the difference L-l of measurement distance L and initial distance l, fitting obtains curved surface side edge thereof curvature.
As shown in fig. 6, after the difference L-l of the measurement distance L and initial distance l of acquisition range sensor, two are fitted within
In dimension coordinate system, the curvature of fringe region, as curved surface side edge thereof curvature are calculated according to the curve being fitted to.
The initial distance between each range sensor and substrate is obtained in the present embodiment first, it is preferable that work as Distance-sensing
When device is set to flexible membrane bottom, which is 0, can also omit the step, and fitting surface cover board side in such cases
Edge curvature only can be realized by measurement distance.
Certainly, the step 1 in the present embodiment and step 2 can also replace sequence, first obtain measurement distance L, then obtain just
Begin distance l, can equally obtain curved surface side edge thereof curvature.
Embodiment 3：
Join shown in Fig. 7, the curved surface side edge thereof curvature measuring system in the present embodiment, including measuring device 100 and data
Processing unit 200, wherein
Measuring device 100 is identical with the measuring device in embodiment 1, is no longer repeated herein；
Data processing unit 200 is connected with each range sensor, to obtain the distance that each range sensor measurement obtains, root
Curved surface side edge thereof curvature, data are calculated in the distance between each range sensor and substrate for being measured according to range sensor
The process that processing obtains curved surface side edge thereof curvature has been illustrated in example 2, is no longer described in detail herein.
Compared with prior art, the invention has the advantages that：
The present invention is attached at curved surface lid surface to be measured by being implanted into range sensor in flexible membrane, by flexible membrane whole face
On, the measurement of curved surface side edge thereof curvature, flexible membrane and curved surface cover board table can be realized in the distance measured according to range sensor
Face contacts the deformation that will not cause curved surface lid surface, improves the measurement accuracy of curved surface side edge thereof curvature, and will not damage
Curved surface lid surface.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of curved surface side edge thereof curvature measurement device, which is characterized in that the measuring device includes substrate and flexible membrane, institute
State the range sensor that multiple fixed settings are implanted in flexible membrane, the range sensor for measure each range sensor with
The distance between substrate.
2. curved surface side edge thereof curvature measurement device according to claim 1, which is characterized in that in the flexible membrane away from
Marginal portion from sensor at least covering surface cover board.
3. curved surface side edge thereof curvature measurement device according to claim 1, which is characterized in that the Young of the flexible membrane
Modulus is less than or equal to predetermined threshold value.
4. curved surface side edge thereof curvature measurement device according to claim 1, which is characterized in that the range sensor is set
In the bottom of flexible membrane.
5. curved surface side edge thereof curvature measurement device according to claim 1, which is characterized in that during the flexible membrane includes
Between region and fringe region, the distribution density of range sensor is more than the distribution of range sensor in intermediate region in fringe region
Density.
6. a kind of curved surface side edge thereof curvature measuring system, which is characterized in that the measuring system includes measuring device and data
Processing unit, wherein
The measuring device is measuring device according to any one of claims 1 to 5；
The distance between each range sensor and substrate that the data processing unit is used to be measured according to range sensor calculate
Obtain curved surface side edge thereof curvature.
7. a kind of curved surface side edge thereof curvature measurement method, which is characterized in that the measurement method includes：
S1, curved surface cover board to be measured is placed on substrate, is implanted with the positive face paste of flexible membrane of the range sensor of multiple fixed settings
Curved surface lid surface to be measured is invested, the measurement distance between each range sensor and substrate is obtained；
S2, it is fitted to obtain curved surface side edge thereof curvature according to measurement distance.
8. curved surface side edge thereof curvature measurement method according to claim 1, which is characterized in that also wrapped before the step S1
It includes：
The flexible membrane for the range sensor for being implanted with multiple fixed settings is positioned on substrate, each range sensor and base are obtained
Initial distance between plate.
9. curved surface side edge thereof curvature measurement method according to claim 8, which is characterized in that the range sensor with
Initial distance between substrate is 0.
10. curved surface side edge thereof curvature measurement method according to claim 8, which is characterized in that the step S2 is specific
For：
According to the difference of measurement distance and initial distance, fitting obtains curved surface side edge thereof curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147337.3A CN108398114B (en) | 2018-02-12 | 2018-02-12 | Device, system and method for measuring curvature of edge of curved cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147337.3A CN108398114B (en) | 2018-02-12 | 2018-02-12 | Device, system and method for measuring curvature of edge of curved cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108398114A true CN108398114A (en) | 2018-08-14 |
| CN108398114B CN108398114B (en) | 2020-09-18 |
Family
ID=63095649
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810147337.3A Active CN108398114B (en) | 2018-02-12 | 2018-02-12 | Device, system and method for measuring curvature of edge of curved cover plate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109520389A (en) * | 2018-12-12 | 2019-03-26 | 科立视材料科技有限公司 | A kind of 3D bend glass CNC machining center coordinate measuring method |
| CN109539972A (en) * | 2019-01-29 | 2019-03-29 | 重庆镭宝激光科技有限公司 | A kind of curvature measurement device of unidirectional curve surface work pieces |
| CN112304243A (en) * | 2020-11-12 | 2021-02-02 | 北京机电研究所有限公司 | Contour detection device and detection method for plate stamping part |
| CN113483716A (en) * | 2021-05-21 | 2021-10-08 | 重庆大学 | Curved surface part machining method based on flexible sensor |
| CN115218856A (en) * | 2022-09-19 | 2022-10-21 | 江苏新恒基特种装备股份有限公司 | R angle dimension reduction accurate measurement system and measurement method for forward and reverse spiral bent pipe |
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| CN113483716A (en) * | 2021-05-21 | 2021-10-08 | 重庆大学 | Curved surface part machining method based on flexible sensor |
| CN113483716B (en) * | 2021-05-21 | 2022-08-30 | 重庆大学 | Curved surface part machining method based on flexible sensor |
| CN115218856A (en) * | 2022-09-19 | 2022-10-21 | 江苏新恒基特种装备股份有限公司 | R angle dimension reduction accurate measurement system and measurement method for forward and reverse spiral bent pipe |
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|---|---|
| CN108398114B (en) | 2020-09-18 |
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