CN214844856U

CN214844856U - Screen detection equipment and system

Info

Publication number: CN214844856U
Application number: CN202120130878.2U
Authority: CN
Inventors: 赵同印; 李小虎
Original assignee: Suzhou HYC Technology Co Ltd
Current assignee: Suzhou HYC Technology Co Ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-23
Anticipated expiration: 2031-01-18

Abstract

The utility model provides a screen check out test set and system. The detection apparatus includes: the lens assembly comprises a channel for light to penetrate through, and the image acquisition assembly acquires an image of a screen to be detected through the channel; and be equipped with one in the passageway and encircle the light source that the passageway formed, the light source is used for providing the dark field light that can shine the screen that awaits measuring, the utility model discloses a good effect of polishing of light source and the enlarged image acquisition of micro-lens can present and detect the micron order crackle bad to optimize the bad effect of presenting of microcrack, simultaneously, the light source is built-in, has both realized the dark field effect of polishing, has avoided the less unable drawback of installing of micro-lens object distance again, and is small, simple to operate, and the high-speed high accuracy operation platform of cooperation and the operation orbit of settlement can effectively accomplish fast and fly to clap the concatenation.

Description

Screen detection equipment and system

Technical Field

The utility model relates to a machine vision outward appearance detects technical field, and is more specific relates to a screen check out test set and system.

Background

With the development of science and technology, mobile intelligent terminals such as mobile phones become one of the most frequently used intelligent tools in daily life of people, and a screen is one of the most important parts of the mobile phone, so that the harmful phenomenon of microcracks is prevented by detecting for many times in the production process of the mobile phone.

At present, due to the fact that a microcrack size program of a mobile phone screen is small and requirements for light rays of a light path are high, the defects are generally detected manually by using a microscope. However, the efficiency is low due to the slow speed of manual inspection and unstable factors such as the emotion of personnel, which is the place where manual intelligence and mechanical automation must replace human resources. The industrial microscope is adopted to detect the microcracks of the mobile phone screen, although the detection efficiency can be improved, the general size of the industrial microscope is large, various light sources are combined and switched, the industrial microscope is difficult to be directly installed and grafted on automatic detection equipment, and the object distance of the industrial microscope is small due to the magnification factor, so that a light source cannot be added between the lens and a detection product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screen detection equipment and system to solve at least one in the problem that prior art exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses the first aspect provides a screen check out test set, include:

the lens assembly comprises a channel for light to penetrate through, and the image acquisition assembly acquires an image of a screen to be detected through the channel; and the number of the first and second electrodes,

and a light source formed around the channel is arranged in the channel and used for providing dark field light capable of irradiating the screen to be tested.

In one possible implementation, the lens assembly includes:

one end of the lens barrel is combined on the surface of one side of the collection end of the image collection assembly;

one side of the annular fixing piece is fixedly combined with the end face of the other end of the lens barrel, and the light source is arranged on the annular fixing piece; and

and the microscope lens is combined on the other side of the annular fixing piece.

In one possible implementation, the light source comprises a plurality of lamp beads arranged on the annular surface of the annular fixture, or the light source comprises an annular lamp tube arranged on the annular surface of the annular fixture.

In a possible implementation manner, the light source is coupled to a brightness adjuster, the brightness adjuster is coupled to a controller, and the controller outputs a brightness adjustment instruction to the brightness adjuster to adjust the brightness of the light source.

In one possible implementation, the controller is a knob controller fixed on the outer side wall of the annular fixing member.

In one possible implementation, the micro lens further includes:

and one end of the lens cone is fixedly combined with the annular fixing piece, and the inner side of the other end of the lens cone is fixedly combined with the micro lens.

In one possible implementation, the micro lens further includes:

and the reflector is positioned on a light path formed by the irradiation of the light source and is used for converging the dark field light in a set range.

In one possible implementation, the micro lens further includes:

and the light reflecting adjuster is coupled with the light reflector and used for adjusting the convergence range of the dark field light by adjusting the angle of the light reflector.

In one possible implementation manner, the aspect ratio of the acquisition target surface of the image acquisition assembly is 1: 1; and/or the presence of a gas in the gas,

the light source includes: and the lamp beads are uniformly arranged on the annular surface of the annular fixing piece.

The utility model discloses the second aspect provides a screen detecting system, including the host computer with the utility model discloses the screen check out test set that the first aspect provided, the host computer is used for handling the image that the image acquisition subassembly gathered.

The utility model has the advantages as follows:

technical scheme passes through the good enlarged image acquisition of polishing effect and micro-lens of light source, can present and detect the micron order crackle bad, and simultaneously, the passageway that the light source cooperation supplied the light to see through can optimize the bad presentation effect of crazing line, and the light source is built-in moreover, has both realized the dark field and has polished the effect, has avoided the less unable drawback of installing of micro-lens object distance again, and small, simple to operate, the high-speed high accuracy operation platform of cooperation and the orbit of settlement can effectively accomplish fast and fly the concatenation.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 shows a schematic structural diagram of a screen detection device provided by an embodiment of the present invention;

fig. 2 is a schematic view illustrating a light source structure of a screen inspection apparatus according to an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a lens barrel and a micro lens of a screen inspection device provided by an embodiment of the present invention.

Reference numerals: 1. an image acquisition component; 2. a lens barrel; 3. a light source; 4. a micro-lens; 5. a lens barrel; 6. a controller; 7. a reflector; 8. a reflective regulator; 9. a screen to be tested; 10. and a ring-shaped fixing piece.

Detailed Description

In order to explain the present invention more clearly, the present invention will be further described with reference to the following embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

Based on this, as shown in fig. 1, the utility model discloses a first aspect provides a screen detection device, includes:

the device comprises an image acquisition component 1 and a lens component combined on the surface of one side of an acquisition end of the image acquisition component 1, wherein the lens component comprises a channel for light to penetrate through, and the image acquisition component 1 acquires an image of a screen 9 to be detected through the channel; and the number of the first and second electrodes,

a light source 3 formed around the channel is arranged in the channel, and the light source 3 is used for providing dark field light capable of irradiating a screen 9 to be measured.

It can be understood, the passageway comprises a light source passageway and an image acquisition passageway, the light source passageway is located image acquisition passageway's week side, through the good enlarged image acquisition of lighting effect and microscope head of light source, can present and detect micron order crackle badly, and simultaneously, the passageway that the light source cooperation supplied the light to permeate through, can optimize the crackle badly and present the effect, and the light source is built-in, both realized dark field lighting effect, the less unable drawback of installing of microscope head object distance has been avoided again, and is small, simple to operate, cooperate the high-speed high accuracy operation platform and the orbit of settlement, can effectively accomplish fast and fly to shoot the concatenation.

Those skilled in the art can know that the image capturing assembly 1 employs an industrial camera, and can perform fast flying shooting in a state of stroboscopic light source switch and high-speed operation of a product, the light source 3 in the channel can be located at two ends of the channel, or at any position in the middle of the channel, and it should be noted that no matter where the light source 3 is located in the channel, dark field light capable of illuminating the screen 9 to be measured can be provided.

In some embodiments, as shown in fig. 1, the lens assembly includes:

a lens barrel 2, one end of which is combined on one side surface of the collecting end of the image collecting component 1;

one side of the annular fixing piece 10 is fixedly combined with the end face of the other end of the lens barrel 2, and the light source 3 is arranged on the annular fixing piece 10; and

and a micro lens 4 combined on the other side of the annular fixing member 10.

It can be understood that, in this embodiment, the light source 3 is installed between the microscope lens 4 and the lens barrel 2 according to an actual situation, and this installation manner makes the microscope lens 4 closer to the screen 9 to be detected, and simultaneously ensures the light source brightness required for detection, so that the image acquisition assembly 1 can more clearly acquire the image of the screen 9 to be detected; the lens barrel 2 is a customized optical design lens barrel, the diameter of a light transmission channel inside the lens barrel is consistent with the diameter of a lens of the microscope lens 4, the annular fixing piece 10 is a concentric ring, the outer diameter of the annular fixing piece is consistent with the diameters of the lens barrel 2 and the microscope lens, and the inner diameter of the annular fixing piece is consistent with the diameter of the lens of the microscope lens 4, so that an acquisition loop of the image acquisition assembly 1 is formed, and the image acquisition assembly 1 can completely shoot a screen 9 to be detected in the largest area. When the microscope 4 is selected, a bright-dark field microscope with high resolution and the objective lens with the working distance as large as possible should be selected, so that interference and friction with the screen 9 to be detected in the running detection process are avoided.

In some embodiments, as shown in fig. 2, the light source 3 comprises a plurality of light beads arranged on the annular surface of the annular fixture 10, or the light source 3 comprises an annular light tube arranged on the annular surface of the annular fixture 10.

It can be understood that image acquisition subassembly 1 when the collection of shooing is accomplished in the short time, exposure time can not be too big, and the exposure needs certain shooting luminance, and lamp pearl or fluorescent tube can both form high bright annular light source, can accomplish the switch stroboscopic in the time of the utmost point, can reach detection image luminance and stability again.

In some other embodiments, the light source 3 is coupled to a brightness adjuster, the brightness adjuster is coupled to a controller 6, and the controller 6 outputs a brightness adjustment command to the brightness adjuster to adjust the brightness of the light source 3.

It can be understood that, because the size of the screen 9 to be detected is different, or the distance between the screen 9 to be detected and the microscope lens 4 is different, the microcrack condition of the screen 9 to be detected is different, and the required light source brightness is also different, the brightness of the light source 3 needs to be adjusted according to the actual condition, so that the detection accuracy is ensured; the controller 6 may be an external control component, such as a remote controller, a mobile phone app, etc., or may be installed on the detection device, and is directly controlled by a worker during the detection process.

In some embodiments, the controller 6 is a knob controller fixed to the outer sidewall of the ring fixture 10. Adopt the knob controller to adjust luminance, with knob controller direct mount on check out test set, can directly adjust light source 3, easy operation is convenient, avoids some emergency to lead to luminance unable regulation.

In some embodiments, as shown in fig. 3, the microscope lens 4 further includes: and one end of the lens cone 5 is fixedly combined with the annular fixing piece 10, and the inner side of the other end of the lens cone 5 is fixedly combined with the micro lens 4. The lens cone 5 is positioned outside the micro lens 4, has the same diameter as the outer diameter of the annular fixing part 10, and is matched with the light source 3 to form a loop for the light source to pass through, so that the light source can be ensured to stably irradiate the screen 9 to be measured.

In some embodiments, a reflector 7, wherein the reflector 7 is located on a light path formed by the light source for converging the dark field light in a set range.

It can be understood that reflector 7 is located the one end that lens cone 5 is close to the screen 9 that awaits measuring, the one end of reflector 7 combines fixedly with lens cone 5, thus, reflector 7 has formed the contained angle with the inner wall of lens cone 5, when the light source shines on reflector 7, the reflection takes place for the light source, the contained angle size that reflection angle and reflector 7 and the inner wall of lens cone 5 formed is unanimous, the light source that will originally the straight line shine assembles certain within range, the position of the screen 9 that awaits measuring of cooperation adjustment simultaneously, make the image of image acquisition subassembly 1 collection more clear.

In some other embodiments, a reflector adjuster 8, coupled to the reflector 7, is used for adjusting the convergence range of the dark field light by adjusting the angle of the reflector 7.

It can be understood that the smaller the angle formed by the reflector 7 and the inner wall of the lens barrel 5 is, the larger the convergence range of the dark field light is, the larger the angle formed by the reflector 7 and the inner wall of the lens barrel 5 is, and the smaller the convergence range of the dark field light is. On the one hand, when the other end of the reflector 7 is attached to the microscope lens 4, the maximum angle that can be adjusted by the reflective adjuster 8 is the maximum angle, and when the other end of the reflector 7 is attached to the lens barrel 5, the minimum angle that can be adjusted by the reflective adjuster 8 is the minimum angle. The adjustment of the reflector 7 comprises the following ways: in the first mode, the reflective regulator 8 is an adjusting knob and is arranged on the outer side wall of the lens cone 5, and an operator can directly and manually regulate the screen of the mobile phone during detection; in the second mode, the reflective regulator 8 is a remote controller, and an operator inputs the included angle of the reflective regulator 7 through the remote controller to perform remote regulation.

In a specific example, the aspect ratio of the acquisition target surface of the image acquisition assembly 1 is 1: 1; and/or, the light source 3 comprises: and the lamp beads are uniformly arranged on the annular surface of the annular fixing piece 10.

It can be understood that when light source 3 is the lamp pearl, the interval difference between a plurality of lamp pearls can lead to light source 3's local luminance different, and light and shade difference appears in the different condition of light and shade on the same image that light source 3's local luminance difference can lead to image acquisition subassembly 1 to gather, influences the testing result, consequently evenly arranges the lamp pearl on annular fixed part 10, can improve the accuracy of testing result.

The utility model discloses a second aspect provides an optical detection system, including the host computer with the utility model discloses the screen crack screen check out test set that the first aspect provided, the host computer is used for handling the image that the image acquisition subassembly gathered.

It can be understood that the upper computer can be a computer, the image acquisition assembly 1 transmits the acquired image to the upper computer, and the upper computer processes the image according to an image processing algorithm set in advance and judges whether the screen 9 to be detected has microcracks.

The screen crack optical detection system that this embodiment provided cooperatees through host computer and check out test set, can effectively accomplish fast and fly to clap the concatenation, has improved detection efficiency and detection precision, reduces the condition such as artificial false retrieval leak hunting, has reduced the human cost.

The utility model discloses a screen detection device and system, combine fixed lens barrel 2 on the surface of one side of collection end of image acquisition subassembly 1, fixed light source 3 below lens barrel 2, fixed micro lens 4 below light source 3, fixed lens cone 5 outside micro lens 4, lens cone 5 is close to the one end fixed reflector 7 of the screen to be measured; this check out test set is at the during operation, open light source 3 through controller 6, light passes through the return circuit that lens cone 5 and micro lens 4 formed, through the reflector 7 that is located the lens cone 5 and is close to the one end of the screen that awaits measuring, take place the reflection, assemble on the screen 9 that awaits measuring, light source output direction accessible reflection of light regulator 8 is adjusted, through adjusting the light source return circuit, change reflection angle and realize the illumination field of vision change, match different illumination area demands, image acquisition subassembly 1, lens cone 2, light source 3, micro lens 4 mutually supports and has formed the image acquisition return circuit, image acquisition subassembly 1 transmits the image of gathering to the host computer, the host computer is according to the image processing algorithm that sets up in advance, handle the image, judge whether screen 9 that awaits measuring has the crazing crack.

Can know from above-mentioned embodiment, the utility model provides a screen detection equipment and system. The detection apparatus includes: the device comprises an image acquisition component 1 and a lens component combined on the surface of one side of an acquisition end of the image acquisition component 1, wherein the lens component comprises a channel for light to penetrate through, and the image acquisition component acquires an image of a screen 9 to be detected through the channel; and be equipped with one in the passageway and encircle the light source 3 that the passageway formed, light source 3 is used for providing the dark field light that can shine the screen 9 that awaits measuring, the utility model discloses a good effect of polishing of light source and the enlarged image acquisition of microscope head can present and detect micron order crackle badly to optimize the crackle badly and present the effect, simultaneously, the light source is built-in, has both realized the dark field effect of polishing, has avoided the less unable drawback of installing of microscope head object distance again, and is small, simple to operate, and the high-speed high accuracy operation platform of cooperation and the orbit of settlement can effectively accomplish fast and fly to shoot the concatenation.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for a person skilled in the art to make other variations or changes based on the above description, and all embodiments cannot be exhaustive here, and all obvious variations or changes that belong to the technical solutions of the present invention are still in the scope of protection of the present invention.

Claims

1. A screen detecting apparatus, comprising:

2. The screen detecting apparatus according to claim 1, wherein the lens assembly includes:

3. The screen detecting apparatus of claim 2, wherein the light source comprises a plurality of light beads disposed on an annular face of the annular fixture, or wherein the light source comprises an annular light tube disposed on an annular face of the annular fixture.

4. The screen detecting apparatus according to claim 2 or 3, wherein the light source is coupled to a brightness adjuster, the brightness adjuster is coupled to a controller, and the controller outputs a brightness adjusting command to the brightness adjuster to adjust the brightness of the light source.

5. The screen detecting apparatus of claim 4, wherein the controller is a knob controller fixed on an outer sidewall of the ring fixture.

6. The screen detecting device according to claim 2, wherein the micro-lens further comprises:

7. The screen detecting device of claim 6, wherein the micro-lens further comprises:

8. The screen detecting device of claim 7, wherein the micro-lens further comprises:

9. The screen detecting apparatus of claim 2, wherein the aspect ratio of the capture target surface of the image capture assembly is 1: 1; and/or the presence of a gas in the gas,

10. A screen detection system, comprising: the apparatus of any one of claims 1-9, and a host computer for processing images acquired by the image acquisition assembly.