CN114125124B - Mobile phone middle frame corner detection device and detection method thereof - Google Patents
Mobile phone middle frame corner detection device and detection method thereof Download PDFInfo
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- CN114125124B CN114125124B CN202111311087.0A CN202111311087A CN114125124B CN 114125124 B CN114125124 B CN 114125124B CN 202111311087 A CN202111311087 A CN 202111311087A CN 114125124 B CN114125124 B CN 114125124B
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- mobile phone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a mobile phone middle frame corner detection device and a detection method thereof, wherein the detection device comprises a machine table and a detection part, the detection part comprises a middle frame loading table and a detection mechanism matched with the middle frame loading table, the detection mechanism comprises a detection traveling vehicle matched with the middle frame loading table and an optical detection assembly matched with the detection traveling vehicle, the detection traveling vehicle comprises a traveling vehicle and a detection head arranged at the vertex angle of the traveling vehicle, the optical detection assembly comprises an infrared beacon arranged on the detection head and a beacon mark projection screen matched with the infrared beacon, and the invention has the advantages that the detection of the mobile phone middle frame corner is realized by adopting the combination of the detection traveling vehicle with the optical detection assembly with a mechanical structure.
Description
Technical Field
The invention relates to the field of mobile phone production detection, in particular to a mobile phone middle frame corner detection device and a detection method thereof.
Background
With the continuous improvement of living standard, smartphones have been gradually popularized into each hand. The mobile phone made of metal is popular due to the high quality; the metal mobile phone middle frame is used as an important component part, and after a series of production processes, surface appearance defects are inevitably caused, so that the quality of mobile phone products is necessarily affected. Therefore, appearance detection is an indispensable link.
Many 2.5D and 3D curved screen cell phones are emerging due to the diversity development of cell phones. The middle frame of the mobile phone is often provided with a special-shaped curved surface such as radian and the like. In appearance defect detection of a mobile phone middle frame by using a machine vision detection method, imaging difficulty is high, particularly the mobile phone middle frame with a 3D curved surface screen is diversified, the shape of 4 corners of the mobile phone middle frame is special, and the imaging difficulty of the corners is also high. For example, when the radian of the mobile phone middle frame is different, the whole arc-shaped appearance surface of the mobile phone middle frame is difficult to image completely, a certain blind area exists, and the detection cannot be carried out, so that the outflow of defective products is caused. At present, the detection means mainly adopts a manual visual inspection mode, but the manual visual inspection mode has the defects of low detection precision, inconsistent standards, low speed, low efficiency and the like, and is difficult to meet the actual industrial production requirements.
Therefore, a corner detection device widely suitable for middle frames of various types of mobile phones is needed.
Disclosure of Invention
The invention aims to: the invention aims to overcome the defects of the prior art and provides a mobile phone middle frame corner detection device and a detection method thereof.
The technical scheme is as follows: the invention discloses a mobile phone middle frame corner detection device, which comprises a machine table and a detection part, wherein the detection part comprises a middle frame loading table and a detection mechanism matched with the middle frame loading table, the detection mechanism comprises a detection traveling vehicle matched with the middle frame loading table and an optical detection assembly matched with the detection traveling vehicle, the detection traveling vehicle comprises a traveling vehicle and a detection head arranged at the vertex angle of the traveling vehicle, the optical detection assembly comprises an infrared beacon arranged on the detection head and a beacon mark projection screen matched with the infrared beacon, the detection head comprises a detection roller and an elastic connecting rod connected between the detection roller and the traveling vehicle, and the infrared beacon is arranged at the circular center of the detection roller.
Preferably, the outer edge of the detection roller is in a cambered surface groove configuration.
Preferably, the outgoing direction of the transmitting end of the infrared beacon is perpendicular to the plane where the detecting roller is located.
Preferably, the middle frame loading platform comprises a plane loading sucker.
Preferably, the beacon identification projection screen includes an infrared signal projection screen and a line camera disposed behind the infrared signal projection screen.
Preferably, the plane loading sucker, the infrared signal projection screen and the linear array camera are in projection fit.
A detection method of a mobile phone middle frame corner detection device comprises the following steps:
s1, loading a middle frame of a mobile phone to be tested on a plane loading sucker, then detecting that a traveling trolley enters a working state, and driving a detection probe to enter a middle frame area of the mobile phone to be tested by the traveling trolley to perform test operation;
s2, after the detection head is detected to enter a middle frame area of the mobile phone to be detected, the traveling trolley abuts against the detection roller on the inner edge of the middle frame of the mobile phone to be detected through the elastic connecting rod and travels along with the inner edge of the middle frame of the mobile phone to be detected;
s3, the detection roller continuously transmits an infrared beacon in the process of advancing along the middle frame of the mobile phone to be detected, and the information is received by the beacon identification projection screen;
s4, the infrared signal is projected to the beacon mark projection screen, passes through the infrared signal projection screen and is received by the linear array camera, then the processing terminal combines the lattice signals received by the linear array camera into a line configuration and compares the line configuration with a pre-recorded standard configuration of the middle frame of the mobile phone so as to judge whether the processing of each corner part of the middle frame of the mobile phone to be detected meets the standard.
Compared with the prior art, the invention has the following beneficial effects: the detection traveling vehicle and the optical detection assembly are combined to realize detection of the corners of the middle frame of the mobile phone, compared with detection by a single optical element matched with an algorithm, the detection flow is simple, and the equipment cost and the maintenance cost are greatly reduced.
Drawings
FIG. 1 is a schematic diagram of a device for detecting a corner of a middle frame of a mobile phone and a detecting method thereof;
fig. 2 is a schematic diagram of a structure of a detection head inserted into a mobile phone center corner detection device and a detection method thereof.
In the figure: 1. a machine table; 2. a middle frame loading table; 3. detecting a traveling vehicle; 31. a traveling trolley; 32. detecting the probe; 321. detecting a roller; 322. an elastic connecting rod; 323. an infrared beacon; 4. a beacon identification projection screen; 41. an infrared signal projection screen; 42. a line camera.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; either directly, or indirectly, through intermediaries, may be in communication with each other, or may be in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The technical scheme of the invention is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
The utility model provides a cell-phone center turning detection device, includes board 1 and detection portion, and detection portion includes the detection mechanism that center loading platform 2 and cooperation center loading platform 2 set up, and detection mechanism is including the detection car 3 that cooperation center loading platform 2 set up and the optical detection subassembly that the cooperation detected car 3 that marches, and detection car 3 is including marching trolley 31 and installing the detection head 32 that detects in going trolley 31 apex angle department, and optical detection subassembly is including installing the infrared beacon 323 on detection head 32 and the beacon sign projection screen 4 that cooperation infrared beacon 323 set up. The technical scheme has the advantages that the detection of the corner of the middle frame of the mobile phone is realized by adopting the combination of the detection travelling vehicle 3 with the mechanical structure and the optical detection assembly, compared with the detection of a single optical element matched algorithm, the detection flow is simple, and the equipment cost and the maintenance cost are greatly reduced.
The specific structure of the penetration detection head 32 is as follows: the detection head 32 comprises a detection roller 321 and an elastic connecting rod 322 connected between the detection roller 321 and the travelling trolley 31, an infrared beacon 323 is arranged at the circular center part of the detection roller 321, and during actual test, a beacon mark projection screen 4 acquires a signal sent by the infrared beacon 323, and a post-processing terminal expands a signal receiving point by one radius length according to the radius of the detection roller 321 to obtain an actual contact point; in order to ensure that the outer edge of the detection roller 321 is tightly attached to the inner edge of the middle frame of the mobile phone to be detected, the outer edge of the detection roller 321 is provided with a cambered surface groove configuration; in order to ensure stable projection of the outgoing signal of the infrared beacon 323, the outgoing direction of the transmitting end of the infrared beacon 323 is perpendicular to the plane of the detection roller 321.
The specific configuration of the part is as follows: the middle frame loading table 2 comprises a plane loading sucker; the beacon identification projection screen 4 includes an infrared signal projection screen 41 and a line camera 42 disposed behind the infrared signal projection screen 41; the plane loading sucker, the infrared signal projection screen 41 and the linear array camera 42 are in projection fit.
When the detection flow is executed, the specific implementation mode of the mobile phone middle frame corner detection device is as follows, and the detection method comprises the following steps:
s1, loading a middle frame of a mobile phone to be tested on a plane loading sucker, then detecting that a travelling trolley 3 enters a working state, and driving a detection probe 32 to enter a middle frame area of the mobile phone to be tested by a travelling trolley 31 to perform test operation;
s2, after the detection head 32 is detected to enter a middle frame area of the mobile phone to be detected, the traveling trolley 31 abuts against the detection roller 321 on the inner edge of the middle frame of the mobile phone to be detected through the elastic connecting rod 322 and travels along with the inner edge of the middle frame of the mobile phone to be detected;
s3, the detection roller 321 continuously transmits an infrared beacon 323 in the process of advancing along the middle frame of the mobile phone to be detected, and the information is received by the beacon identification projection screen 4;
s4, the infrared signals are projected to the beacon mark projection screen 4, pass through the infrared signal projection screen 41 and are received by the linear array camera 42, then the processing terminal combines the dot matrix signals received by the linear array camera 42 into a line configuration and compares the line configuration with a pre-recorded standard configuration of the middle frame of the mobile phone so as to judge whether the processing of each corner part of the middle frame of the mobile phone to be detected meets the standard.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact between the first feature and the second feature, or an indirect contact between the first feature and the second feature through an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is at a lower level than the second feature. In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example.
Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features can be replaced equivalently; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. The utility model provides a mobile phone middle frame turning detection device, includes board and detection portion, its characterized in that: the detection portion comprises a middle frame loading table and a detection mechanism matched with the middle frame loading table, the detection mechanism comprises a detection traveling vehicle matched with the middle frame loading table and an optical detection assembly matched with the detection traveling vehicle, the detection traveling vehicle comprises a traveling trolley and a detection head installed at the vertex angle of the traveling trolley, the optical detection assembly comprises an infrared beacon installed on the detection head and a beacon identification projection screen matched with the infrared beacon, the detection head comprises a detection roller and an elastic connecting rod connected between the detection roller and the traveling trolley, and the infrared beacon is installed at the circular center of the detection roller.
2. The mobile phone middle frame corner detection device according to claim 1, wherein: the outer edge of the detection roller is arranged to be in a cambered surface groove configuration.
3. The mobile phone middle frame corner detection device according to claim 1, wherein: the outgoing direction of the transmitting end of the infrared beacon is perpendicular to the plane where the detection roller is located.
4. The mobile phone middle frame corner detection device according to claim 1, wherein: the middle frame loading platform comprises a plane loading sucker.
5. The mobile phone middle frame corner detection device according to claim 1, wherein: the beacon sign projection screen comprises an infrared signal projection screen and a linear array camera arranged behind the infrared signal projection screen.
6. The mobile phone middle frame corner detection device according to claim 4, wherein: the plane loading sucker, the infrared signal projection screen and the linear array camera are in projection fit.
7. The detection method adopting the mobile phone middle frame corner detection device according to any one of claims 1-6 is characterized in that: the method comprises the following steps:
s1, loading a middle frame of a mobile phone to be tested on a plane loading sucker, then detecting that a traveling trolley enters a working state, and driving a detection probe to enter a middle frame area of the mobile phone to be tested by the traveling trolley to perform test operation;
s2, after the detection head is detected to enter a middle frame area of the mobile phone to be detected, the traveling trolley abuts against the detection roller on the inner edge of the middle frame of the mobile phone to be detected through the elastic connecting rod and travels along with the inner edge of the middle frame of the mobile phone to be detected;
s3, the detection roller continuously transmits an infrared beacon in the process of advancing along the middle frame of the mobile phone to be detected, and the information is received by the beacon identification projection screen;
s4, the infrared signal is projected to the beacon mark projection screen, passes through the infrared signal projection screen and is received by the linear array camera, then the processing terminal combines the lattice signals received by the linear array camera into a line configuration and compares the line configuration with a pre-recorded standard configuration of the middle frame of the mobile phone so as to judge whether the processing of each corner part of the middle frame of the mobile phone to be detected meets the standard.
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| CN202111311087.0A CN114125124B (en) | 2021-11-08 | 2021-11-08 | Mobile phone middle frame corner detection device and detection method thereof |
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Citations (5)
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|---|---|---|---|---|
| EP0593067A1 (en) * | 1992-10-16 | 1994-04-20 | SCHENCK-KOMEG PRÜF- und AUTOMATISIERUNGSTECHNIK GmbH | Procedure and device for the determination of the orientation and position of objects with laserbeams |
| EP2026169A1 (en) * | 2007-05-29 | 2009-02-18 | British Telecommunications Public Limited Company | Detection means |
| CN106027730A (en) * | 2016-07-18 | 2016-10-12 | 苏州派斯威尔自动化科技有限公司 | Automatic smart detection system for mobile phone shell |
| CN107894540A (en) * | 2017-10-10 | 2018-04-10 | 郑州市轨道交通有限公司运营分公司 | BPP beacon portable packet detection means |
| CN112697804A (en) * | 2020-12-30 | 2021-04-23 | 广东奥普特科技股份有限公司 | Mobile phone middle frame visual detection system and detection method thereof |
-
2021
- 2021-11-08 CN CN202111311087.0A patent/CN114125124B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0593067A1 (en) * | 1992-10-16 | 1994-04-20 | SCHENCK-KOMEG PRÜF- und AUTOMATISIERUNGSTECHNIK GmbH | Procedure and device for the determination of the orientation and position of objects with laserbeams |
| EP2026169A1 (en) * | 2007-05-29 | 2009-02-18 | British Telecommunications Public Limited Company | Detection means |
| CN106027730A (en) * | 2016-07-18 | 2016-10-12 | 苏州派斯威尔自动化科技有限公司 | Automatic smart detection system for mobile phone shell |
| CN107894540A (en) * | 2017-10-10 | 2018-04-10 | 郑州市轨道交通有限公司运营分公司 | BPP beacon portable packet detection means |
| CN112697804A (en) * | 2020-12-30 | 2021-04-23 | 广东奥普特科技股份有限公司 | Mobile phone middle frame visual detection system and detection method thereof |
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