CN210426958U - Curved surface screen detection equipment - Google Patents

Curved surface screen detection equipment Download PDF

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Publication number
CN210426958U
CN210426958U CN201921667495.8U CN201921667495U CN210426958U CN 210426958 U CN210426958 U CN 210426958U CN 201921667495 U CN201921667495 U CN 201921667495U CN 210426958 U CN210426958 U CN 210426958U
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distance
bracket
curved screen
detector
slide
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CN201921667495.8U
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Chinese (zh)
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朱建兴
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Yungu Guan Technology Co Ltd
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Yungu Guan Technology Co Ltd
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Abstract

The utility model provides a curved surface screen check out test set, including image collector, optical detector, distance detector, drive arrangement and treater, image collector, optical detector, distance detector, drive arrangement all with treater communication connection, image collector is used for gathering the surface profile information of waiting to detect curved surface screen, the treater is used for receiving the profile information that image collector gathered and sends drive command to drive arrangement, drive arrangement is connected with optical detector and distance detector, drive arrangement is used for driving optical detector and distance detector and removes in three-dimensional space, distance detector is used for feeding back the distance information of test point to the treater. The utility model discloses a curved surface screen check out test set can guarantee the light-emitting direction coincidence of test direction and curved surface screen, improves the test rate of accuracy.

Description

Curved surface screen detection equipment
Technical Field
The utility model relates to an optical detection technical field especially relates to a curved surface screen check out test set.
Background
In the manufacturing process of the display screen, in order to ensure the quality of the display screen, the uniformity of brightness and chromaticity at various positions of the screen is generally required to be detected.
However, the display screen detection device in the prior art can only detect a plane area, and when a curved screen is detected, the test direction is not coincident with the light emergent direction of the curved screen, so that the problem of inaccurate test result exists.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect under the prior art, the utility model aims to provide a curved surface screen check out test set, the utility model discloses a curved surface screen check out test set can guarantee the light-emitting direction coincidence of test direction and curved surface screen, improves the test rate of accuracy.
An embodiment of the utility model provides a curved surface screen check out test set, including image collector, optical detector, distance detector, drive arrangement and treater, image collector, optical detector, distance detector, drive arrangement all with treater communication connection, image collector is used for gathering the surface profile information of waiting to detect curved surface screen, the treater is used for receiving the profile information that image collector gathered and to drive arrangement sends drive instruction, drive arrangement with optical detector and distance detector are connected, drive arrangement is used for the drive optical detector and distance detector remove in three-dimensional space, distance detector be used for to the distance information of treater feedback test point.
In the embodiment, the surface profile information of the curved screen to be tested can be collected in advance through the image collector, the processor calculates the actual surface profile of the curved surface to be tested according to the surface profile information collected by the image collector, the processor sends a driving instruction to the driving device according to the actual surface profile of the curved surface to be tested, and the driving device controls the optical detector and the distance detector to move and rotate after receiving the driving instruction, so that the testing direction of the optical detector is adapted to the surface of the curved screen and is overlapped with the light emitting direction of the testing point, and the testing precision is ensured; meanwhile, the distance detector feeds back the distance information of the test point to the processor for distance calibration, and the processor further controls the driving device to drive the optical detector to move after receiving the calibration information so as to further ensure the test precision.
The curved screen detection device optionally further comprises a base, a first support, a second support and a third support, wherein the first support is vertically arranged at the first end of the base, a detection platform used for placing the curved screen to be detected is arranged at the second end of the base, the second support and the third support are arranged above the base and are parallel to the base, the second support and the third support are vertically connected with the first support and are mutually perpendicular to the third support, an installation platform is arranged at one end, away from the first support, of the second support, an image collector, an optical detector and a distance detector are arranged on one side, facing the detection platform, of the installation platform, and a driving device and a processor are arranged on one side, away from the detection platform, of the installation platform.
In the embodiment, the detection platform is arranged on the base, so that the curved screen to be tested and the mechanical device of the test part can be arranged on the same base, and the test precision is improved; the first bracket, the second bracket and the third bracket are arranged, and the mounting platform is arranged on the second bracket, so that the operation of workers is facilitated; the image collector, the optical detector and the distance detector are arranged on one side, facing the detection platform, of the mounting platform, the driving device and the processor are arranged on one side, facing away from the detection platform, of the mounting platform, and therefore measurement accuracy is guaranteed, and meanwhile workers can observe measurement data in real time through display equipment on the surface of the processor.
Optionally, the driving device includes a lifting device, a connecting rod hinged to the lifting device, a rotating device driving the connecting rod to rotate, and a controller respectively connected to the lifting device and the rotating device in communication, and the controller is connected to the processor in communication.
Through the arrangement, the processor can control the actions of the lifting device and the rotating device through the controller, so that the movement of the optical detector and the distance detector is controlled, and the measuring precision is ensured.
According to the curved surface screen detection equipment, optionally, a first slide way is arranged on the first support, a second slide way is arranged on the second support, a third slide way is arranged on the third support, the first slide way, the second slide way and the third slide way are connected through a sliding block, and the sliding block can slide in the first slide way, the second slide way and the third slide way at the same time.
The first slide way is arranged on the first support, the second slide way is arranged on the second support, the third slide way is arranged on the third support, and the first slide way, the second slide way and the third slide way are connected through the sliding block, so that a worker can conveniently control the spatial position of the mounting platform, and the use convenience is improved.
Optionally, the optical detector, the distance detector and the driving device are all multiple, and the multiple optical detectors, the multiple distance detectors and the multiple driving devices are in one-to-one correspondence and are uniformly distributed on the mounting platform.
The installation platform is provided with the plurality of optical detectors, the distance detector and the driving device, and the optical detectors, the distance detector and the driving device are uniformly distributed on the installation platform, and the processor can simultaneously control different optical detectors to rotate different angles, so that the purpose of measuring a plurality of test points at one time can be realized, and the test efficiency is improved.
Optionally, each of the optical detectors is provided with a plurality of distance detectors, and the plurality of distance detectors surround the optical detectors uniformly.
The plurality of distance detectors are arranged on the outer side of the optical detector, and the processor obtains final distance data by fitting the distance data detected by the plurality of distance detectors, so that the precision of distance calibration can be improved, and the accuracy of measurement is further ensured.
Optionally, the detection platform is provided with a fixture for fixing the curved screen to be detected.
Optionally, the image collector includes a CCD sensor or a three-dimensional profile measuring instrument.
The curved screen detection apparatus as described above, optionally, the optical detector includes a screen brightness tester and a screen chromaticity tester.
Optionally, the distance detector includes an infrared emitter and an infrared receiver, the infrared emitter is configured to emit infrared light to the curved screen to be detected, and the infrared receiver is configured to receive infrared light reflected from the curved screen to be detected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a curved-surface screen detection device according to an embodiment of the present invention;
fig. 2 is a schematic view of a structure of the curved-surface screen detection apparatus according to an embodiment of the present invention.
Reference numerals:
100-braking a clamp boom;
200-an optical detector;
300-distance detector;
400-a drive device;
500-a processor;
600-a base;
610-a first support;
611-a first slideway;
620-a second support;
621-a second slide;
630-a detection platform;
640-a mounting platform;
650-sliding block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Fig. 1 is a schematic diagram of a curved-surface screen detection device according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a curved-surface screen detection device according to an embodiment of the present invention; please refer to fig. 1-2. The embodiment provides curved surface screen detection equipment, which comprises an image collector 100, an optical detector 200, a distance detector 300, a driving device 400 and a processor 500, wherein the image collector 100, the optical detector 200, the distance detector 300 and the driving device 400 are all in communication connection with the processor 500, the image collector 100 is used for collecting surface profile information of a curved surface screen to be detected, the processor 500 is used for receiving the profile information collected by the image collector and sending a driving instruction to the driving device 400, the driving device 400 is connected with the optical detector 200 and the distance detector 300, the driving device 400 is used for driving the optical detector 200 and the distance detector 300 to move in a three-dimensional space, and the distance detector 300 is used for feeding back distance information of a test point to the processor 500.
Specifically, in this embodiment, the image collector 100 may include a CCD sensor or a three-dimensional profile measuring instrument, etc. which are commonly used in the prior art; the optical probe 200 includes at least a screen brightness tester and a screen chromaticity tester to measure the uniformity of the surface brightness and chromaticity of the curved screen to be detected; the distance detector 300 may be, for example, an infrared distance detector, and specifically includes an infrared emitter and an infrared receiver, where the infrared emitter is configured to emit infrared light to the curved screen to be detected, and the infrared receiver is configured to receive the infrared light reflected from the curved screen to be detected, and measure the distance between the points to be detected according to the interval between the emitted infrared light and the received infrared light; the processor 500 may be, for example, a computer, a tablet, a mobile phone, a single chip, or the like.
In the embodiment, when the device is used, the image collector 100 can be used for collecting the surface profile information of the curved screen to be detected in advance, the processor 500 calculates the actual surface profile of the curved surface to be detected according to the surface profile information collected by the image collector 100, the processor 500 sends a driving instruction to the driving device 400 according to the actual surface profile of the curved surface to be detected, and the driving device 400 receives the driving instruction and then controls the optical detector 200 and the distance detector 300 to move and rotate, so that the testing direction of the optical detector 200 is adapted to the surface of the curved screen and is overlapped with the light emitting direction of the testing point, and the testing precision is ensured; meanwhile, the distance detector 300 feeds back the distance information of the test point to the processor 500 for distance calibration, and the processor 500 further controls the driving device 400 to drive the optical detector 200 to move after receiving the calibration information, so as to further ensure the test precision.
In this embodiment, the method for detecting the surface profile of the curved screen by the image acquisition device 100 may be as follows: the driving device 400 controls the image collector 100 to rotate on the same straight line, and detects a plurality of (for example, 3) positions on the curved screen to be detected corresponding to the straight line, so as to fit a curve equation of the surface to be detected corresponding to the straight line; then, the image collector 100 is driven by controlling the driving device 400 to move for a certain distance, and then a plurality of (for example, 3) positions on the curved surface screen to be detected on the straight line are collected again, and a curve equation of the corresponding surface to be detected on the other straight line is fitted; repeating the steps so as to fit the surface profile of the curved surface to be measured according to the obtained multiple curve equations; and the processor 500 can obtain the normal position of each point according to the fitted curve equation, and further obtain the rotation angle of the shooting lens when the point is measured, so that the coincidence of the test direction and the light emitting direction of the curved screen is ensured, and the test accuracy is improved.
Further, as shown in fig. 2, in an optional implementation manner, the curved screen detection apparatus of this embodiment includes a base 600, a first support 610, a second support 620, and a third support (not shown in the drawings), the first support 610 is vertically disposed at a first end of the base 600, a second end of the base 600 is provided with a detection platform 630 for placing a curved screen to be detected, the second support 620 and the third support are disposed above the base 600 and are parallel to the base 600, the second support 620 and the third support are both vertically connected to the first support 610, and the second bracket 620 is perpendicular to the third bracket, a mounting platform 640 is provided at one end of the second bracket 620 far from the first bracket 610, the image collector 100, the optical detector 200 and the distance detector 300 are disposed on a side of the mounting platform 640 facing the detection platform 630, and the driving device 400 and the processor 500 are disposed on a side of the mounting platform 640 facing away from the detection platform 630.
In this embodiment, the detection platform 630 is disposed on the base 600, so that the curved screen to be tested and the mechanical device of the testing part are disposed on the same base 600, thereby ensuring the uniformity of the initial position and improving the testing precision. The first bracket 610, the second bracket 620 and the third bracket are arranged, and the mounting platform 640 is arranged on the second bracket 620, so that the operation of workers is facilitated. The image collector 100, the optical detector 200 and the distance detector 300 are arranged on one side of the mounting platform 640 facing the detection platform 630, so that surface data of the curved screen to be tested can be collected conveniently, and the measurement accuracy is guaranteed. The driving device 400 and the processor 500 are arranged on one side of the mounting platform 640, which is far away from the detection platform 630, so that a worker can observe measurement data in real time through a display device of the processor 500 and master a detection result.
Alternatively, the driving device 500 of the present embodiment may include a lifting device, a connecting rod hinged to the lifting device, and a rotating device for driving the connecting rod to rotate, and a controller in communication with the lifting device and the rotating device, respectively, and in communication with the processor.
The lifting device can comprise a sleeve, a lifting rod arranged in the sleeve and a first motor used for driving the lifting rod to lift, wherein the first motor is in communication connection with the controller. The rotating device may include a connection ball hinged to an end of the lifting rod, a rotation arm hinged to the connection ball, and a second motor for driving the rotation arm to rotate, the second motor being in communication with the controller.
Through the above arrangement, the processor 500 can control the actions of the lifting device and the rotating device through the controller, so as to control the movement of the optical detector 200 and the distance detector 300, and ensure the measurement accuracy.
Further, in this embodiment, a first slide rail 611 is disposed on the first support 610, a second slide rail 621 is disposed on the second support 620, a third slide rail is disposed on the third support, the first slide rail, the second slide rail and the third slide rail are connected by a slide block 650, and the slide block 650 can slide in the first slide rail 611, the second slide rail 621 and the third slide rail at the same time.
Through setting up first slide 611 on first support 610, set up second slide 621 on second support 620, set up the third slide on the third support to make first slide 611, second slide 621 and third slide be connected through slider 650, the staff accessible this mechanism is convenient adjusts the spatial position of mounting platform 640, has improved the convenience of use.
In this embodiment, optionally, the optical detector 200, the distance detector 300, and the driving device 400 include a plurality of optical detectors 200, distance detectors 300, and driving devices 400, which are in one-to-one correspondence and uniformly distributed on the mounting platform 640, that is, each driving device 400 drives one optical detector 200 and one distance detector 300 to form one measuring unit, so as to implement a test on one test point on the curved-surface screen.
By arranging the plurality of optical detectors 200, the distance detector 300 and the driving device 400 on the mounting platform 640 and uniformly distributing the optical detectors on the mounting platform 640, the processor 500 can simultaneously control different optical detectors 200 to rotate at different angles, so that a plurality of test points can be measured at one time, and the test efficiency is improved.
Further, on the basis of the above embodiment, a plurality of distance detectors 300 may be disposed on each optical detector 200, and the plurality of distance detectors 300 may uniformly surround the optical detector 200.
By arranging the plurality of distance detectors 300 outside the optical detector 200, the processor 500 obtains final distance data by fitting the distance data detected by the plurality of distance detectors 300, so that the precision of distance calibration can be improved, and the accuracy of measurement is further ensured.
Optionally, a fixture for fixing the curved screen to be detected is disposed on the detection platform 630 of this embodiment, where the fixture may be a conventional structure used for clamping the curved screen in the prior art, and this embodiment is not described herein again.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that, in the description of the present invention, the terms "first" and "second" are only used for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The curved screen detection device is characterized by comprising an image collector, an optical detector, a distance detector, a driving device and a processor, wherein the image collector, the optical detector, the distance detector and the driving device are in communication connection with the processor, the image collector is used for collecting surface contour information of a curved screen to be detected, the processor is used for receiving the contour information collected by the image collector and sending a driving instruction to the driving device, the driving device is connected with the optical detector and the distance detector, the driving device is used for driving the optical detector and the distance detector to move in a three-dimensional space, and the distance detector is used for feeding back the distance information of a test point to the processor.
2. The curved screen detection apparatus of claim 1, further comprising a base, a first bracket, a second bracket, and a third bracket, the first bracket is vertically arranged at the first end of the base, the second end of the base is provided with a detection platform for placing the curved screen to be detected, the second bracket and the third bracket are arranged above the base and are parallel to the base, the second bracket and the third bracket are both vertically connected with the first bracket, the second bracket and the third bracket are mutually vertical, one end of the second bracket far away from the first bracket is provided with a mounting platform, the image collector, the optical detector and the distance detector are arranged on one side of the mounting platform facing the detection platform, the driving device and the processor are arranged on one side, away from the detection platform, of the mounting platform.
3. The curved screen detection apparatus according to claim 2, wherein the driving device comprises a lifting device, a connecting rod hinged to the lifting device, a rotating device for driving the connecting rod to rotate, and a controller in communication connection with the lifting device and the rotating device respectively, and the controller is in communication connection with the processor.
4. The curved screen detection apparatus according to claim 3, wherein a first slide is provided on the first support, a second slide is provided on the second support, a third slide is provided on the third support, the first slide, the second slide and the third slide are connected by a slider, and the slider can slide in the first slide, the second slide and the third slide at the same time.
5. The curved screen detection device according to claim 2, wherein the optical detector, the distance detector and the driving device are provided in plurality, and the plurality of optical detectors, the plurality of distance detectors and the plurality of driving devices are one-to-one and are uniformly distributed on the mounting platform.
6. The curved screen detection apparatus according to claim 5, wherein a plurality of distance detectors are disposed on each of the optical detectors, and the plurality of distance detectors surround the optical detectors uniformly.
7. The curved screen detection apparatus according to claim 2, wherein a fixture for fixing the curved screen to be detected is disposed on the detection platform.
8. The curved screen detection apparatus of claim 1, wherein the image collector comprises a CCD sensor or a three-dimensional profile gauge.
9. The curved screen detection apparatus of claim 1, wherein the optical detector comprises a screen brightness tester and a screen chromaticity tester.
10. The curved screen detection apparatus according to claim 1, wherein the distance detector includes an infrared emitter for emitting infrared light toward the curved screen to be detected and an infrared receiver for receiving the infrared light reflected back from the curved screen to be detected.
CN201921667495.8U 2019-09-30 2019-09-30 Curved surface screen detection equipment Active CN210426958U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111638041A (en) * 2020-05-28 2020-09-08 云谷(固安)科技有限公司 Position adjusting device, curved surface display screen testing equipment and testing method
CN111650201A (en) * 2020-07-15 2020-09-11 Oppo(重庆)智能科技有限公司 Detection device and detection method
CN111982474A (en) * 2020-08-21 2020-11-24 维信诺科技股份有限公司 Optical characteristic detection device and detection method for curved surface display panel
CN112268686A (en) * 2020-10-22 2021-01-26 合肥维信诺科技有限公司 Method and device for measuring optical parameters of curved screen
CN114384092A (en) * 2021-12-16 2022-04-22 苏州镁伽科技有限公司 Panel detection device and panel detection method
CN115546111A (en) * 2022-09-13 2022-12-30 武汉海微科技有限公司 Curved screen detection method, device, equipment and storage medium

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111638041A (en) * 2020-05-28 2020-09-08 云谷(固安)科技有限公司 Position adjusting device, curved surface display screen testing equipment and testing method
CN111650201A (en) * 2020-07-15 2020-09-11 Oppo(重庆)智能科技有限公司 Detection device and detection method
CN111982474A (en) * 2020-08-21 2020-11-24 维信诺科技股份有限公司 Optical characteristic detection device and detection method for curved surface display panel
CN111982474B (en) * 2020-08-21 2022-07-22 维信诺科技股份有限公司 Optical characteristic detection device and detection method for curved surface display panel
CN112268686A (en) * 2020-10-22 2021-01-26 合肥维信诺科技有限公司 Method and device for measuring optical parameters of curved screen
CN114384092A (en) * 2021-12-16 2022-04-22 苏州镁伽科技有限公司 Panel detection device and panel detection method
CN115546111A (en) * 2022-09-13 2022-12-30 武汉海微科技有限公司 Curved screen detection method, device, equipment and storage medium
CN115546111B (en) * 2022-09-13 2023-12-05 武汉海微科技有限公司 Curved surface screen detection method, device, equipment and storage medium

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