CN114544130A - Wireless earphone drop test method and device - Google Patents
Wireless earphone drop test method and device Download PDFInfo
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- CN114544130A CN114544130A CN202210094122.6A CN202210094122A CN114544130A CN 114544130 A CN114544130 A CN 114544130A CN 202210094122 A CN202210094122 A CN 202210094122A CN 114544130 A CN114544130 A CN 114544130A
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- H—ELECTRICITY
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Abstract
The invention discloses a wireless earphone drop test method and a device, wherein the device comprises a workbench, an industrial personal computer and a mechanical arm; the base of the mechanical arm is fixedly arranged above the workbench, and a material taking area, a rotating area and a falling area are further arranged above the workbench; the working end of the mechanical arm is provided with a camera mounting part and a suction nozzle mounting part, the camera mounting part is used for mounting an industrial camera, the suction nozzle mounting part is used for mounting a plurality of groups of suction nozzles, and the lens of the industrial camera and the plurality of groups of suction nozzles are in the same direction; the mechanical arm is used for controlling the movement of the camera mounting part and the suction nozzle mounting part, the industrial camera is used for shooting images of the wireless earphones, and each group of suction nozzles is used for sucking one wireless earphone; a plurality of first accommodating grooves are formed on the material taking area; the rotating area comprises a plurality of rotating bases, a receiving piece is arranged above each rotating base, and a second receiving groove is formed in each receiving piece; the drop zone comprises a plurality of test cylinders, and the bottom end of the interior of each test cylinder is provided with a lifting platform.
Description
Technical Field
The invention relates to the field of drop tests, in particular to a wireless headset drop test method and device.
Background
With the advance of technology, wireless earphones gradually replace wired earphones due to the convenience and high performance of the wireless earphones. This has also led to an increasing market for wireless headsets, and many smart device manufacturers have begun developing their own brands of wireless headsets. In order to examine the capability of the product to resist accidental impact due to the possible accidental fall of the earphone during use, a fall test is required in the production process of a wireless earphone and a matching product of the wireless earphone, and a smooth and hard rigid surface made of steel is fallen at the falling height according to the product weight and the possible falling probability serving as a reference standard. Earphone drop test equipment is the equipment that is used for specially carrying out the detection to foretell test product, falls through earphone drop test equipment and repeats falling many times, and whether inspection product shell, inside components and parts reach standard.
At present, the earphone drop test is usually carried out by adopting a manual test mode, the mode is troublesome, the labor is wasted, and the subjectivity is strong when the test result is obtained. In addition, some existing earphone drop test devices exist in the market, but the existing earphone drop test devices can only test one group at a time, when drop experiments need to be compared, the operation is inconvenient, the two tests are not beneficial to ensuring the consistency of the two test environments and the comparison accuracy; the orientation state of the test product is the same when the test product is released, and the collision between the test product and the falling surface is single, so that the falling test result of the test product has limited meaning; the falling height of the common device is manually adjusted, the adjustment efficiency is low and inaccurate, the operation efficiency is low, tests with different heights are generally carried out by manually watching the height, the adjustment process is time-consuming and labor-consuming, and the operation difficulty is increased; the automation degree of the equipment is not high, the visual detection capability is low, and the normal operation of the test is influenced or the accuracy of the test data is reduced due to the special conditions that the earphone is not sucked correctly or the earphone falls off, stands and the like in the test process.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a wireless earphone drop test method, which adopts a wireless earphone drop test device comprising a workbench, an industrial personal computer and a mechanical arm, and comprises the following steps:
s1, presetting required drop test requirement data, wireless earphone template data and related parameters in the industrial personal computer;
s2, controlling the mechanical arm to work by the industrial personal computer, driving a plurality of groups of suction nozzles at the working end of the mechanical arm to move to a material taking area on the workbench, and sucking a plurality of wireless earphones to be tested through the suction nozzles;
s3, the mechanical arm drives the wireless earphones to be tested to move to a rotating area on the workbench, and then the suction nozzle is loosened, so that the wireless earphones to be tested are respectively placed in the receiving pieces on the rotating platforms on the rotating area;
s4, the mechanical arm drives the industrial camera at the working end to move, images of one surface of a plurality of wireless earphones to be tested in a rotating area are respectively shot, and image information is transmitted to the industrial personal computer;
s5, the industrial personal computer compares the shot surface image of the wireless headset to be tested with a pre-stored template image by using a positive and negative detection algorithm to judge whether the orientation of each wireless headset to be tested meets the preset requirement, and if the wireless headset to be tested which does not meet the requirement exists, the corresponding rotary platform is rotated by 180 degrees until the orientation of each wireless headset to be tested meets the requirement;
s6, driving the groups of suction nozzles to suck the wireless earphones again by the mechanical arm, conveying the wireless earphones to be tested to the upper part of the falling area on the workbench, and enabling each wireless earphone to be tested to be in a preset angle and height;
s7, loosening the groups of suction nozzles to enable each wireless headset to be tested to fall into the test cylinders in the falling area respectively;
s8, after the test is finished, the lifting platform in each test cylinder works to lift the wireless earphones to be tested to a preset height;
s9, the industrial camera respectively collects images of a plurality of wireless earphones to be tested and transmits image information to the industrial personal computer;
s10, processing the image acquired in the step S9 by using an image processing algorithm, comparing the processed image with a pre-stored template image, if the similarity difference between the processed wireless earphone image to be detected and the pre-stored template image is larger than a preset threshold value, judging that an abnormality exists, sending prompt information, stopping the current flow, waiting for manual processing, and if the abnormality does not exist, entering the step S11;
s11, driving the plurality of groups of suction nozzles to suck the plurality of wireless earphones to be tested again by the mechanical arm, and descending the lifting platform of the test cylinder to the initial position of the bottom end after the suction is finished;
and S12, according to the preset drop test requirements, if all the preset drop test operations are completed, conveying the tested wireless earphones to an external production line, finishing all the processes, and if other drop test operations are required to be performed on the wireless earphones, returning to the step S3 until all the preset drop test operations are completed.
In some embodiments, step S10 specifically includes the following steps:
for the image of the wireless headset to be tested acquired in step S9, preprocessing the image, extracting the area where the wireless headset is located in each image by using an image segmentation and edge processing algorithm, calculating the area of the wireless headset, determining whether the calculated area data is within a preset area threshold range, if the area data is not within the preset area threshold range, stopping the current process and sending an abnormality identification prompt message, and if the area data corresponding to each image is within the preset area threshold range, entering step S11.
In some embodiments, in step S10, if the area data corresponding to each image is within the preset area threshold range, before step S11, the following steps are further performed:
obtaining a central point and an offset angle of each wireless earphone by using the area of the wireless earphone in each extracted image;
in step S11, the industrial personal computer calculates a corresponding suction position and suction angle by using the obtained central point and offset angle of each wireless headset, and then controls the movement of the robot arm and the suction nozzle to suck a plurality of wireless headsets according to the calculated suction position and suction angle
The invention also provides a wireless earphone drop test device, which adopts the wireless earphone drop test method and comprises a workbench, an industrial personal computer and a mechanical arm;
the industrial personal computer is used for controlling the work of the wireless earphone drop test device;
the base of the mechanical arm is fixedly arranged above the workbench, and a material taking area, a rotating area and a falling area are further arranged above the workbench;
the working end of the mechanical arm is provided with a camera mounting part and a suction nozzle mounting part, the camera mounting part is used for mounting an industrial camera, the suction nozzle mounting part is used for mounting a plurality of groups of suction nozzles, and the lens of the industrial camera and the plurality of groups of suction nozzles are in the same direction;
the industrial camera is used for shooting images of the wireless earphones, and each group of suction nozzles is used for sucking one wireless earphone;
a plurality of first accommodating grooves are formed in the material taking area;
the rotating area comprises a plurality of rotating bases, a receiving piece is arranged above each rotating base, and a second receiving groove is formed in each receiving piece;
the drop zone comprises a plurality of test cylinders, and the bottom end of the interior of each test cylinder is provided with a lifting platform.
In some embodiments, the size and shape of the first receiving groove correspond to the size and shape of the wireless headset when the wireless headset is laid flat, and the size and shape of the second receiving groove correspond to the size and shape of the wireless headset when the wireless headset is laid upright.
In some embodiments, the receiving member is formed with a U-shaped notch at the middle of the front and rear ends.
In some embodiments, the number of the first receiving slots, the number of the second receiving slots, and the number of the test cartridges are the same as the number of the sets of the suction nozzles, the plurality of sets of suction nozzles are arranged side by side and equidistantly, the plurality of first receiving slots are arranged side by side and equidistantly, the plurality of second receiving slots are arranged side by side and equidistantly, and the plurality of test cartridges are arranged side by side and equidistantly.
In some embodiments, the number of the first receiving slots, the number of the second receiving slots, the number of the test cartridges, and the number of the sets of the suction nozzles are three.
In some embodiments, a white ring light source is disposed in front of the lens of the industrial camera.
Compared with the prior art, the invention has the beneficial effects that:
the wireless earphone drop test method and the device provided by the invention can automatically realize the drop test of the wireless earphone, and greatly reduce the workload of workers compared with the traditional manual test mode; compared with the existing earphone drop test equipment, the multifunctional earphone drop test equipment has the advantages that the mechanical arm, the material taking area, the rotating area and the drop area are reasonably arranged on the workbench, and in combination with related algorithms, multiple functions can be realized, multiple wireless earphones can be simultaneously detected, and the test efficiency and the experimental significance are increased; the structural characteristics of the invention determine that the invention can be flexibly configured on an automatic production line and is suitable for the construction of future intelligent factories, unmanned production lines and the like.
Drawings
Fig. 1 is a schematic flow chart of a wireless headset drop test method provided by the present invention;
fig. 2 is a schematic top view of a wireless headset drop test apparatus provided in the present invention;
FIG. 3 is a schematic view of a robotic arm and associated structures;
fig. 4 is a schematic view of a receptacle.
Description of reference numerals: 1. a work table; 2. a mechanical arm; 3. a material taking area; 4. a rotation zone; 5. a drop zone; 6. a camera mounting section; 7. a suction nozzle mounting part; 31. a first receiving groove; 41. a receiving member; 42. a second receiving groove; 43. rotating the base; 51. a test cartridge; 61. an industrial camera; 71. a suction nozzle.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the following description further explains how the invention is implemented by combining the attached drawings and the detailed implementation modes.
Referring to fig. 1, a wireless headset drop test method adopts a wireless headset drop test device including a workbench 1, an industrial personal computer and a mechanical arm 2, and includes the following steps:
s1, presetting required drop test requirement data, wireless earphone template data and related parameters in the industrial personal computer;
s2, controlling the mechanical arm 2 to work by the industrial personal computer, enabling the mechanical arm 2 to drive a plurality of groups of suction nozzles 71 at the working end of the mechanical arm to move to the material taking area 3 on the workbench 1, and sucking a plurality of wireless earphones to be tested through the suction nozzles 71;
s3, the mechanical arm 2 drives the wireless earphones to be tested to move to the rotating area 4 on the workbench 1, and then the suction nozzle 71 is loosened, so that the wireless earphones to be tested are respectively placed in the accommodating parts 41 on the rotating platforms 43 on the rotating area 4;
s4, the mechanical arm 2 drives the industrial camera 61 at the working end to move, images of one surface of the wireless earphones to be tested in the rotating area 4 are respectively shot, and image information is transmitted to the industrial personal computer;
s5, the industrial personal computer compares the shot surface image of the wireless headset to be tested with a pre-stored template image by using a positive and negative detection algorithm to judge whether the orientation of each wireless headset to be tested meets the preset requirement, and if the wireless headset to be tested which does not meet the requirement exists, the corresponding rotary platform 43 is rotated by 180 degrees until the orientation of each wireless headset to be tested meets the requirement;
s6, the mechanical arm 2 drives the groups of suction nozzles 71 to suck the wireless earphones to be tested again, and the wireless earphones to be tested are conveyed to the position above the falling area 5 on the workbench 1 and are positioned at a preset angle and height;
s7, loosening the groups of suction nozzles 71 to enable each wireless headset to be tested to fall into the test barrels 51 of the falling area 5 respectively;
s8, after the test is completed, the lifting platform in each test cylinder 51 works to lift the wireless earphones to be tested to a preset height;
s9, the industrial camera 61 respectively collects images of a plurality of wireless earphones to be tested and transmits image information to the industrial personal computer;
s10, processing the image acquired in the step S9 by using an image processing algorithm, comparing the processed image with a pre-stored template image, if the similarity difference between the processed wireless earphone image to be detected and the pre-stored template image is larger than a preset threshold value, judging that an abnormality exists, sending prompt information, stopping the current flow, waiting for manual processing, and if the abnormality does not exist, entering the step S11;
s11, the mechanical arm 2 drives the plurality of groups of suction nozzles 71 to suck the plurality of wireless earphones to be tested again, and after the suction is finished, the lifting platform of the test cylinder 51 descends to the initial position of the bottom end;
and S12, according to the preset drop test requirements, if all the preset drop test operations are completed, conveying the tested wireless earphones to an external production line, finishing all the processes, and if other drop test operations are required to be performed on the wireless earphones, returning to the step S3 until all the preset drop test operations are completed.
Further, step S10 specifically includes the following steps:
for the image of the wireless headset to be tested acquired in step S9, preprocessing the image, extracting the area where the wireless headset is located in each image by using an image segmentation and edge processing algorithm, calculating the area of the wireless headset, determining whether the calculated area data is within a preset area threshold range, if the area data is not within the preset area threshold range, stopping the current process and sending an abnormality identification prompt message, and if the area data corresponding to each image is within the preset area threshold range, entering step S11.
Further, in step S10, if the area data corresponding to each image is within the preset area threshold range, before proceeding to step S11, the following steps are further performed:
obtaining a central point and an offset angle of each wireless earphone by using the area of the wireless earphone in each extracted image;
in step S11, the industrial personal computer calculates a corresponding suction position and suction angle by using the obtained central point and offset angle of each wireless headset, and then controls the movement of the robot arm 2 and the suction nozzle 71 to suck a plurality of wireless headsets according to the calculated suction position and suction angle.
Therefore, the wireless earphone drop test method provided by the invention not only can accurately read information such as the position, the deflection angle and the like of the wireless earphone in the test, greatly enhances the accuracy of the wireless earphone in the test, but also can detect abnormal conditions (such as falling off and standing) which may exist in the test of the wireless earphone and send wrong information, and increases the test stability of the equipment. Compared with the traditional manual detection mode and other mechanical detection modes, the work load of workers is greatly reduced, the economic benefit of enterprises is also improved, and the detection of various wireless earphones can be adapted as long as corresponding wireless earphone templates are made, and the detection precision is flexible and adjustable.
Referring to fig. 2 to 4, the invention further provides a wireless headset drop test device, which adopts the wireless headset drop test method and comprises a workbench 1, an industrial personal computer and a mechanical arm 2; the industrial personal computer is used for controlling the work of the wireless earphone drop test device; the base of the mechanical arm 2 is fixedly arranged above the workbench 1, and a material taking area 3, a rotating area 4 and a falling area 5 are further arranged above the workbench 1; the working end of the mechanical arm 2 is provided with a camera mounting part 6 and a suction nozzle mounting part 7, the camera mounting part 6 is used for mounting the industrial camera 61, the suction nozzle mounting part 7 is used for mounting a plurality of groups of suction nozzles 71, and the lens of the industrial camera 61 and the plurality of groups of suction nozzles 71 are in the same direction; the mechanical arm 2 is used for controlling the movement of the camera mounting part 6 and the suction nozzle mounting part 7, the industrial camera 61 is used for shooting images of the wireless earphones, and each group of suction nozzles 71 is used for sucking one wireless earphone; a plurality of first accommodating grooves 31 are formed on the material taking area 3; the rotating area 4 comprises a plurality of rotating bases 43, a receiving member 41 is mounted above each rotating base 43, and a second receiving groove 42 is formed on each receiving member 41; the drop zone 5 comprises a plurality of test cartridges 51, and the inside bottom end of each test cartridge 51 is provided with a lifting platform.
It is understood that the industrial personal computer may be arranged on the workbench 1, or arranged below the workbench 1, or arranged in other areas outside the workbench 1, as long as the industrial personal computer is electrically connected with each controlled device. In addition, the industrial personal computer can be respectively in wired connection with each controlled device through the concentrator. An industrial control panel connected with an industrial personal computer can be arranged on the workbench 1 or outside the workbench 1 so as to facilitate the work debugging of workers.
As shown in fig. 3, the robot arm 2 may be of a conventional robot arm structure, as long as it is ensured that the end (i.e., the working end) thereof can move within a desired range under the control of the industrial personal computer 1. The camera mounting part 6 can be fixed on a shaft at the tail end of the mechanical arm 2 so as to perform translational motion and rotation along with the tail end of the mechanical arm 2; the suction nozzle mount 7 is fixed to the other side of the camera mount 6 to move together therewith. Each group of suction nozzles 71 can be fixedly arranged on the suction nozzle mounting part 7 through a rotating shaft structure and is provided with a corresponding motor, so that each group of suction nozzles 71 can rotate.
Preferably, the size and shape of the first receiving groove 31 correspond to the size and shape of the wireless headset when the wireless headset is laid flat, and the size and shape of the second receiving groove 42 correspond to the size and shape of the wireless headset when the wireless headset is laid upright. Additionally, the test cartridge 51 may be sized slightly larger than the size of the wireless headset. Through the arrangement, in the testing process, special conditions such as improper earphone absorption or falling-off and standing of the earphone after falling are not easy to occur, normal testing is facilitated, and the accuracy of testing data is improved
Further, as shown in fig. 4, a U-shaped notch is formed in the middle of the front and rear ends of the receptacle 41 to facilitate automatic placement of the wireless headset into the second receptacle 42, and when the wireless headset is placed in the second receptacle 42, the middle of the two main surfaces of the wireless headset is exposed and can be photographed by the industrial camera 61.
Preferably, the number of the first receiving grooves 31, the second receiving grooves 42, and the test cartridges 51 is the same as the number of the sets of the suction nozzles 71, the plurality of sets of the suction nozzles 71 are arranged side by side at equal intervals, the plurality of first receiving grooves 31 are arranged side by side at equal intervals, the plurality of second receiving grooves 42 are arranged side by side at equal intervals, and the plurality of test cartridges 51 are arranged side by side at equal intervals. Through the arrangement, the drop test of a plurality of wireless earphones can be simultaneously realized through a plurality of groups of suction nozzles 71 conveniently.
In the illustrated embodiment, the number of the first receiving grooves 31, the second receiving grooves 42, and the test cartridges 51 and the number of the sets of the suction nozzles 71 are three.
Preferably, a white ring light source 62 is disposed in front of the lens of the industrial camera 61. In addition, the surface color of the lifting platform of the test cylinder 51 is preferably black, and the white annular light source 62 is matched to enable the industrial camera 61 to obtain clear and bright images, so that the complexity and difficulty of subsequent processing are reduced
In one embodiment, the working principle of the invention is as follows: in the initial condition, the three wireless earphones are respectively flatly placed in the three first accommodating grooves 31 of the material taking area 3 through front-end equipment or manual operation; next, the industrial personal computer 1 controls the mechanical arm 2 to work, so that the mechanical arm 2 drives the three groups of suction nozzles 71 to move to preset positions, respectively sucks the three wireless earphones in the three first accommodating grooves 31, respectively reaches and vertically places the three wireless earphones in the three second accommodating grooves 42 through translation movement and rotation, and then releases the suction nozzles 71; then, the industrial personal computer 1 controls the white annular light source 62 to be turned on, the industrial camera 61 collects images of one surface of the three wireless earphones and transmits the collected images to the industrial personal computer 1, the industrial personal computer judges whether the orientation of each wireless earphone meets preset requirements or not through a preset positive and negative detection algorithm, and if not, the corresponding rotary base 43 is controlled to rotate for 180 degrees; after the orientations of the three wireless earphones meet the requirements, automatically controlling the three groups of suction nozzles 71 to suck the three wireless earphones again, respectively reaching the preset height and angle above the three test cylinders 51, and then loosening the suction nozzles 71 to enable the three wireless earphones to fall into the three test cylinders 51 respectively; after the wireless earphones fall off, the lifting platform of the testing cylinder 51 works to lift the three wireless earphones to a preset height, so that the shooting and the sucking of the wireless earphones are facilitated; then, the white ring light source 62 is turned on again, and the industrial camera 61 collects images of three wireless earphones respectively, so as to facilitate subsequent automatic or manual detection; thereafter, the three wireless earphones are sucked again by the mechanical arm 2 and the three sets of suction nozzles 71, and the lifting platform of the test tube 51 is lowered to the initial position of the bottom end after the suction is completed. Then, if all the preset drop test operations are completed, directly conveying the three wireless earphones to an external production line; if the wireless earphone needs to be subjected to drop tests of other orientations, heights or angles, the operations of turning, dropping, photographing and the like of the wireless earphone are completed again according to the steps similar to the steps until all preset drop test operations are completed.
In conclusion, the wireless headset drop test method and device provided by the invention can automatically realize the drop test of the wireless headset, and greatly reduce the workload of workers compared with the traditional manual test mode; compared with the existing earphone drop test equipment, the multifunctional earphone drop test equipment has the advantages that the mechanical arm, the material taking area, the rotating area and the drop area are reasonably arranged on the workbench, and in combination with related algorithms, multiple functions can be realized, multiple wireless earphones can be simultaneously detected, and the test efficiency and the experimental significance are increased; the structural characteristics of the invention determine that the invention can be flexibly configured on an automatic production line and is suitable for the construction of future intelligent factories, unmanned production lines and the like.
Finally, the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. A wireless earphone drop test method is characterized in that a wireless earphone drop test device comprising a workbench (1), an industrial personal computer and a mechanical arm (2) is adopted, and the method comprises the following steps:
s1, presetting required drop test requirement data, wireless earphone template data and related parameters in the industrial personal computer;
s2, controlling the mechanical arm (2) to work by the industrial personal computer, enabling the mechanical arm (2) to drive a plurality of groups of suction nozzles (71) at the working end of the mechanical arm to move to a material taking area (3) on the workbench (1), and sucking a plurality of wireless earphones to be tested through the suction nozzles (71);
s3, the mechanical arm (2) drives the wireless earphones to be tested to move to a rotating area (4) on the workbench (1), and then the suction nozzle (71) is loosened, so that the wireless earphones to be tested are respectively placed in the accommodating parts (41) on a plurality of rotating platforms (43) on the rotating area (4);
s4, the mechanical arm (2) drives the industrial camera (61) at the working end to move, images of one surface of the wireless earphones to be tested in the rotating area (4) are respectively shot, and image information is transmitted to the industrial personal computer;
s5, the industrial personal computer compares the shot surface image of the wireless headset to be tested with a pre-stored template image by using a positive and negative detection algorithm to judge whether the orientation of each wireless headset to be tested meets the preset requirement, and if the wireless headset to be tested which does not meet the requirement exists, the corresponding rotary platform (43) is rotated 180 degrees until the orientation of each wireless headset to be tested meets the requirement;
s6, driving the plurality of groups of suction nozzles (71) to suck the plurality of wireless earphones to be tested again by the mechanical arm (2), conveying the plurality of wireless earphones to be tested to the upper part of the falling area (5) on the workbench (1), and enabling each wireless earphone to be tested to be at a preset angle and height;
s7, loosening a plurality of groups of suction nozzles (71) to enable each wireless earphone to be tested to fall into a plurality of test cylinders (51) of the falling area (5) respectively;
s8, after the test is finished, the lifting platform in each test cylinder (51) works to lift the wireless earphones to be tested to a preset height;
s9, the industrial camera (61) collects images of a plurality of wireless earphones to be tested respectively and transmits image information to the industrial personal computer;
s10, processing the image acquired in the step S9 by using an image processing algorithm, comparing the processed image with a pre-stored template image, if the similarity difference between the processed wireless earphone image to be detected and the pre-stored template image is larger than a preset threshold value, judging that an abnormality exists, sending prompt information, stopping the current flow, waiting for manual processing, and if the abnormality does not exist, entering the step S11;
s11, the mechanical arm (2) drives the plurality of groups of suction nozzles (71) to suck the plurality of wireless earphones to be tested again, and after the suction is finished, the lifting platform of the test cylinder (51) descends to the initial position of the bottom end;
and S12, according to the preset drop test requirements, if all the preset drop test operations are completed, conveying the tested wireless earphones to an external production line, finishing all the processes, and if other drop test operations are required to be performed on the wireless earphones, returning to the step S3 until all the preset drop test operations are completed.
2. The wireless headset drop test method according to claim 1, wherein the step S10 specifically includes the following steps:
for the image of the wireless headset to be tested acquired in step S9, preprocessing the image, extracting the area where the wireless headset is located in each image by using an image segmentation and edge processing algorithm, calculating the area of the wireless headset, determining whether the calculated area data is within a preset area threshold range, if the area data is not within the preset area threshold range, stopping the current process and sending an abnormality identification prompt message, and if the area data corresponding to each image is within the preset area threshold range, entering step S11.
3. The method for testing the drop of the wireless headset of claim 2, wherein in step S10, if the area data corresponding to each image is within the preset area threshold range, before proceeding to step S11, the method further comprises the following steps:
obtaining a central point and an offset angle of each wireless earphone by using the area of the wireless earphone in each extracted image;
in step S11, the industrial personal computer calculates a corresponding suction position and suction angle by using the obtained central point and offset angle of each wireless headset, and then controls the movement of the robot arm (2) and the suction nozzle (71) to suck a plurality of wireless headsets according to the calculated suction position and suction angle.
4. A wireless earphone drop test device is characterized in that the wireless earphone drop test method according to any one of claims 1-3 is adopted, and the wireless earphone drop test device comprises a workbench (1), an industrial personal computer and a mechanical arm (2);
the industrial personal computer is used for controlling the work of the wireless earphone drop test device;
the base of the mechanical arm (2) is fixedly arranged above the workbench (1), and a material taking area (3), a rotating area (4) and a falling area (5) are further arranged above the workbench (1);
the working end of the mechanical arm (2) is provided with a camera mounting part (6) and a suction nozzle mounting part (7), the camera mounting part (6) is used for mounting an industrial camera (61), the suction nozzle mounting part (7) is used for mounting a plurality of groups of suction nozzles (71), and the lens of the industrial camera (61) and the plurality of groups of suction nozzles (71) face the same direction;
the mechanical arm (2) is used for controlling the movement of the camera mounting part (6) and the suction nozzle mounting part (7), the industrial camera (61) is used for shooting images of the wireless earphones, and each group of suction nozzles (71) is used for sucking one wireless earphone;
a plurality of first accommodating grooves (31) are formed in the material taking area (3);
the rotating area (4) comprises a plurality of rotating bases (43), a containing piece (41) is installed above each rotating base (43), and a second containing groove (42) is formed in each containing piece (41);
the falling area (5) comprises a plurality of test cylinders (51), and the bottom end of the interior of each test cylinder (51) is provided with a lifting platform.
5. The wireless headset drop test device according to claim 4, wherein the first receiving groove (31) has a size and shape corresponding to a size and shape of the wireless headset when the wireless headset is laid flat, and the second receiving groove (42) has a size and shape corresponding to a size and shape of the wireless headset when the wireless headset is laid upright.
6. The wireless headset drop test device according to claim 5, wherein the middle of the front and rear ends of the receptacle (41) is formed with a U-shaped notch.
7. The wireless headset drop test device according to claim 4, wherein the number of the first receiving grooves (31), the number of the second receiving grooves (42), and the number of the test cartridges (51) are the same as the number of the groups of the suction nozzles (71), the plurality of groups of suction nozzles (71) are arranged side by side and equidistantly, the plurality of first receiving grooves (31) are arranged side by side equidistantly, the plurality of second receiving grooves (42) are arranged side by side equidistantly, and the plurality of test cartridges (51) are arranged side by side equidistantly.
8. The wireless headset drop test device according to claim 7, wherein the number of the first receiving grooves (31), the second receiving grooves (42) and the test cartridges (51) and the number of the sets of the suction nozzles (71) are three.
9. The wireless headset drop test device according to claim 4, wherein a white ring light source (62) is arranged in front of the lens of the industrial camera (61).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210094122.6A CN114544130B (en) | 2022-01-26 | 2022-01-26 | Wireless earphone drop test method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210094122.6A CN114544130B (en) | 2022-01-26 | 2022-01-26 | Wireless earphone drop test method and device |
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| Publication Number | Publication Date |
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| CN114544130A true CN114544130A (en) | 2022-05-27 |
| CN114544130B CN114544130B (en) | 2024-05-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206930422U (en) * | 2017-06-28 | 2018-01-26 | 厦门攸信信息技术有限公司 | One kind circulation drop test device |
| CN111458095A (en) * | 2020-04-15 | 2020-07-28 | 京东方科技集团股份有限公司 | Drop test device and method thereof |
| WO2021227252A1 (en) * | 2020-05-12 | 2021-11-18 | 歌尔股份有限公司 | Automatic rotation drop test machine |
| US20220003647A1 (en) * | 2020-07-01 | 2022-01-06 | Uatc, Llc | Systems and Methods for Optimizing Drop Test Configurations |
| CN216955067U (en) * | 2022-01-26 | 2022-07-12 | 武汉纺织大学 | Wireless earphone drop test device |
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- 2022-01-26 CN CN202210094122.6A patent/CN114544130B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206930422U (en) * | 2017-06-28 | 2018-01-26 | 厦门攸信信息技术有限公司 | One kind circulation drop test device |
| CN111458095A (en) * | 2020-04-15 | 2020-07-28 | 京东方科技集团股份有限公司 | Drop test device and method thereof |
| WO2021227252A1 (en) * | 2020-05-12 | 2021-11-18 | 歌尔股份有限公司 | Automatic rotation drop test machine |
| US20220003647A1 (en) * | 2020-07-01 | 2022-01-06 | Uatc, Llc | Systems and Methods for Optimizing Drop Test Configurations |
| CN216955067U (en) * | 2022-01-26 | 2022-07-12 | 武汉纺织大学 | Wireless earphone drop test device |
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