Product detection equipment based on machine vision

Abstract

The utility model relates to product detection equipment based on machine vision, which comprises a rack, and the rack comprises a workbench; the rotary table mechanism comprises a rotary table and a rotary table driving module for driving the rotary table to rotate; the test stations comprise a first test station and a second test station; the touch module is used for touching a screen part of the tested product; and the image acquisition and processing device comprises a first image acquisition and processing device, a second image acquisition and processing device and a controller. According to the utility model, the automatic testing is carried out through the two testing stations in turn, the touch module touches the tested product, and the image acquisition and processing device carries out shooting, recording and judgment on the local part of the tested product, so that the testing result is automatically obtained.

Description

Technical Field

[0001] The utility model relates to the field of automatic detection, in particular to a product detection device based on machine vision. Background Art

[0002] The testing of intelligent devices usually involves testing items such as screens, buttons, and flashlights. In the environment of large-scale production on an assembly line, if only manual testing is carried out on products, problems such as low testing accuracy, slow testing speed, and poor management of test data will occur. Summary of the Utility Model

[0003] The utility model provides a product detection device based on machine vision, aiming to solve at least one of the technical problems existing in the prior art.

[0004] The technical solution of the utility model is a product detection device based on machine vision, including:

[0005] A frame, the frame includes a workbench, and the workbench includes a testing area and a to-be-tested area;

[0006] A turntable mechanism, the turntable structure includes a turntable and a turntable driving module for driving the turntable to rotate. The turntable is arranged on the workbench, and the turntable driving module is arranged below the workbench;

[0007] Testing stations, the testing stations include a first testing station and a second testing station, and the first testing station and the second testing station are oppositely arranged on both sides of the turntable;

[0008] A touch module, the touch module is used to touch the screen part of the product to be tested, and the touch module is arranged on the testing area of the workbench;

[0009] An image acquisition and processing device, the image acquisition and processing device includes a first image acquisition and processing device and a second image acquisition and processing device. The first image acquisition and processing device is installed on the frame, and the second image acquisition and processing device is installed on the testing area of the workbench;

[0010] A controller, the controller is arranged inside the frame, and the turntable structure, the touch module, and the image acquisition and processing device are respectively electrically connected to the controller.

[0011] Further, a light-shielding module for blocking light is arranged on the turntable. The light-shielding module includes a light-shielding plate arranged in the middle of the turntable and a brush strip arranged on the frame. The two sides of the light-shielding plate are respectively a testing area and a to-be-tested area, and the brush strips are respectively arranged on both sides of the light-shielding plate.

[0012] Further, the turntable drive module includes a first motor, a transmission belt, and a gearbox that are connected in sequence, and the first motor is electrically connected to the controller;

[0013] The turntable drive module further includes a first station detector and a second station detector disposed at the bottom of the turntable. The first station detector and the second station detector are respectively electrically connected to the controller. The first station detector includes a first station follower disposed at the bottom of the first test station and a first station sensor disposed at the bottom of the workbench. The second station detector includes a second station follower disposed at the bottom of the second test station and a second station sensor disposed at the bottom of the workbench;

[0014] The controller controls the turntable to rotate forward and backward 180 degrees. When the first test station is located in the test area of the workbench, the second test station is located in the area to be tested of the workbench. When the second test station is located in the test area of the workbench, the first test station is located in the area to be tested of the workbench.

[0015] Further, the first test station includes a first test seat for placing the product to be tested, a first plugging and unplugging module, a first gripper, a second gripper, and a first communication module,

[0016] The first plugging and unplugging module includes a first cylinder and a first power interface disposed at the top of the first cylinder. The first power interface is used to supply power to the product to be tested; the first gripper and the second gripper are respectively disposed on both sides of the first test seat, and the first gripper and the second gripper are used to grip both sides of the product to be tested; the first communication module includes a second cylinder and a first USB probe disposed at the top of the second cylinder. The first USB probe is used to connect to the USB terminal of the product to be tested.

[0017] Further, the second test station includes a second test seat for placing the product to be tested, a second plugging and unplugging module, a third gripper, a fourth gripper, and a second communication module,

[0018] The second plugging and unplugging module includes a third cylinder and a second power interface disposed at the top of the third cylinder. The second power interface is used to supply power to the product to be tested; the third gripper and the fourth gripper are respectively disposed on both sides of the second test seat, and the third gripper and the fourth gripper are used to grip both sides of the product to be tested; the second communication module includes a fourth cylinder and a second USB probe disposed at the top of the fourth cylinder. The second USB probe is used to connect to the USB terminal of the product to be tested.

[0019] Further, the touch module includes a fifth cylinder, a sixth cylinder, a counterweight, and a touch head that are connected in sequence. The fifth cylinder is installed on the frame. The fifth cylinder provides horizontal movement for the touch head, and the sixth cylinder provides vertical movement for the touch head. The touch head is used to touch the screen of the product to be tested.

[0020] Further, it further includes an LED supplementary lighting module. The LED supplementary lighting module is arranged on the frame. The LED supplementary lighting module is electrically connected to the controller. The LED supplementary lighting module includes a seventh cylinder and an LED lamp that are connected in sequence. One side of the seventh cylinder is fixed to the frame. The seventh cylinder controls the vertical movement of the LED lamp.

[0021] Further, the first image acquisition and processing device includes a first camera and a second camera for taking pictures of a part of the screen of the product to be tested in the vertical direction;

[0022] The second image acquisition and processing device includes a first inclined bracket, an eighth cylinder, and a third camera that are connected in sequence. The first inclined bracket is arranged in the test area on the workbench. The eighth cylinder is used to adjust the distance between the third camera and the side light-emitting point of the product to be tested. The third camera is used to take pictures of the side light-emitting point of the product to be tested.

[0023] Further, it further includes a DIP switch module. The DIP switch module is electrically connected to the controller. The DIP switch module includes a second inclined bracket, a ninth cylinder, a linear motor, and a DIP switch finger that are connected in sequence. The ninth cylinder is arranged on the second inclined bracket. The ninth cylinder drives the linear motor and the DIP switch finger to approach or move away from the DIP switch of the product to be tested. The linear motor drives the DIP switch finger to move horizontally so as to change the state of the switch of the DIP switch of the product to be tested.

[0024] Further, it further includes a host computer and a display. The host computer is electrically connected to the controller. The display is electrically connected to the host computer. The host computer is arranged inside the frame, and the display is arranged on the frame.

[0025] The beneficial effects of the present utility model are as follows.

[0026] In this application, through the rotation of two test stations for automated testing, the touch module touches the product to be tested, and the image acquisition and processing device takes pictures and records and judges a part of the product to be tested, and the test result is obtained automatically. Description of the Drawings

[0027] Figure 1 is a three-dimensional schematic diagram of the product detection device based on machine vision according to the embodiment of the present utility model.

[0028] Figure 2 It is a three-dimensional schematic diagram of the hidden frame shell of the product detection device based on machine vision according to an embodiment of the present utility model.

[0029] Figure 3 It is a side schematic diagram of the turntable structure and the test station of the product detection device based on machine vision according to an embodiment of the present utility model.

[0030] Figure 4 It is a bottom schematic diagram of the turntable structure and the test station of the product detection device based on machine vision according to an embodiment of the present utility model.

[0031] Figure 5 It is a schematic diagram of the first test station of the product detection device based on machine vision according to an embodiment of the present utility model.

[0032] Figure 6 It is a schematic diagram of the second test station of the product detection device based on machine vision according to an embodiment of the present utility model.

[0033] Figure 7 It is a schematic diagram of the touch film group, the image acquisition and processing device, and the LED supplementary light module of the product detection device based on machine vision according to an embodiment of the present utility model.

[0034] Figure 8 It is a schematic diagram of the second image acquisition and processing device and the DIP switch module of the product detection device based on machine vision according to an embodiment of the present utility model.

[0035] In the above figures, 100 is the frame; 110 is the workbench; 200 is the turntable mechanism; 210 is the turntable; 220 is the turntable drive module, including 221 the first motor, 222 the transmission belt, and 223 the gearbox; 230 is the light-shielding module, including 231 the light-shielding plate and 232 the brush strip; 240 is the first station detector, including 241 the first station follower and 242 the first station sensor; 250 is the second station detector, including 251 the second station follower and 252 the second station sensor; 300 is the test station, including 310 the first test station with 311 the first test seat, 312 the first plug-in module, 313 the first gripper, 314 the second gripper, 315 the first communication module, 316 the first cylinder, 317 the first power interface, 318 the second cylinder, 319 the first USB probe; 320 is the second test station with 321 the second test seat, 322 the second plug-in module, 323 the third gripper, 324 the fourth gripper, 325 the second communication module, 326 the third cylinder, 327 the second power interface, 328 the fourth cylinder, 329 the second USB probe; 400 is the touch module, including 410 the fifth cylinder, 420 the sixth cylinder, 430 the counterweight, and 440 the touch head; 500 is the image acquisition and processing device, including 510 the first image acquisition and processing device with 511 the first camera and 512 the second camera, and 520 the second image acquisition and processing device with 521 the first inclined bracket, 522 the eighth cylinder, and 523 the third camera; 600 is the LED light supplement module, including 610 the seventh cylinder and 620 the LED lamp; 700 is the DIP switch module, including 710 the second inclined bracket, 720 the ninth cylinder, 730 the linear motor, and 740 the DIP switch finger; 800 is the controller, 810 is the host computer, and 820 is the display. Detailed implementation manners

[0036] The following will clearly and completely describe the concept, specific structure, and technical effects of the present invention in combination with the embodiments and the accompanying drawings to fully understand the purpose, solution, and effects of the present invention. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0037] It should be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. In addition, the up, down, left, right, top, bottom, etc. used in the present invention are only relative to the mutual positional relationship of the components of the present invention in the accompanying drawings.

[0038] In addition, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this technology belongs. The terms used in the description of this specification are only for describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any combination of one or more of the related listed items.

[0039] It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various elements, these elements should not be limited to these terms. These terms are only used to distinguish elements of the same type from each other. For example, without departing from the scope of this disclosure, the first element may also be referred to as the second element, and similarly, the second element may also be referred to as the first element.

[0040] Refer to Figures 1 to 8 , in some embodiments, a machine vision-based product detection device according to the present utility model includes:

[0041] A frame 100, the frame 100 includes a workbench 110, and the workbench 110 includes a test area and an area to be tested;

[0042] A turntable mechanism 200, the turntable 210 structure includes a turntable 210 and a turntable drive module 220 for driving the turntable 210 to rotate. The turntable 210 is disposed on the workbench 110, and the turntable drive module 220 is disposed below the workbench 110;

[0043] A test station 300, the test station 300 includes a first test station 310 and a second test station 320, and the first test station 310 and the second test station 320 are oppositely disposed on both sides of the turntable 210;

[0044] A touch module 400, the touch module 400 is used to touch the screen part of the product to be tested, and the touch module 400 is disposed on the test area of the workbench 110;

[0045] An image acquisition and processing device 500, the image acquisition and processing device 500 includes a first image acquisition and processing device 510 and a second image acquisition and processing device 520. The first image acquisition and processing device 510 is installed on the frame 100, and the second image acquisition and processing device 520 is installed on the test area of the workbench 110;

[0046] A controller 800, the controller 800 is disposed inside the frame 100, and the turntable 210 structure, the touch module 400, and the image acquisition and processing device 500 are respectively electrically connected to the controller 800.

[0047] The beneficial effects of the present utility model are as follows,

[0048] In the present application, two test stations 300 are used to perform rotational automated testing, the touch module 400 touches the product under test, and the image acquisition and processing device 500 photographs, records, and determines a portion of the product under test, thereby automatically obtaining the test results.

[0049] Specifically, when the product inspection equipment based on machine vision is in operation, the test station 300 in the test area is used to execute a specific test process, and the test station 300 in the area to be tested is used to install and disassemble the tested product. At the beginning, after the second test station 320 is installed with the tested product, it is turned on and started. After waiting for the tested product to be turned on, the turntable structure 200 rotates 180 degrees in the forward direction to send the tested product from the area to be tested to the test area. The controller 800 controls the touch module 400 and the image acquisition and processing device 500 to perform specific tests on the tested product. At the same time, the first test station 310 in the area to be tested installs and starts a new tested product. After the tested product in the test area is tested, the turntable structure 200 rotates 180 degrees in the opposite direction, so that the tested product of the first test station 310 enters the test area, and the tested product of the second test station 320 enters the area to be tested from the test area, so that the next tested product can be disassembled and installed, and the tested products in the test area are tested synchronously, so that the test operations of all tested products are executed in a cycle.

[0050] In a specific embodiment, the product under test is a smart speaker.

[0051] Further, refer to Figures 1 to 3 A shading module 230 for shielding light is arranged on the turntable 210, and the shading module 230 includes a shading plate 231 arranged in the middle of the turntable 210 and a brush strip 232 arranged on the frame 100, and the two sides of the shading plate 231 are the test area and the area to be tested respectively, and the brush strip 232 is respectively arranged on both sides of the shading plate 231.

[0052] During operation, the workbench 110 is divided into a testing area and an area to be tested. Due to the shielding of the rack 100 and the shading module 230 , the testing area is a dark room, which is convenient for the image acquisition and processing device 500 to take pictures.

[0053] Further, refer to Figure 2 , Figures 3 to 4 , Figure 7 and Figure 8 , the turntable driving module 220 includes a first motor 221, a transmission belt 222 and a gear box 223 connected in sequence, and the first motor 221 is electrically connected to the controller 800;

[0054] The turntable drive module 220 further includes a first station detector 240 and a second station detector 250 disposed at the bottom of the turntable 210. The first station detector 240 and the second station detector 250 are electrically connected to the controller 800 respectively. The first station detector 240 includes a first station follower 241 disposed at the bottom of the first test station 310 and a first station inductor 242 disposed at the bottom of the workbench 110. The second station detector 250 includes a second station follower 251 disposed at the bottom of the second test station 320 and a second station inductor 252 disposed at the bottom of the workbench 110;

[0055] The controller 800 controls the turntable 210 to rotate 180 degrees forward and backward. When the first test station 310 is located in the test area of the workbench 110, the second test station 320 is located in the area to be tested of the workbench 110. When the second test station 320 is located in the test area of the workbench 110, the first test station 310 is located in the area to be tested of the workbench 110.

[0056] Specifically, the first motor 221 rotates forward and backward, and is transmitted to the turntable 210 through the transmission belt 222 and the gearbox 223, thereby controlling the turntable 210 to rotate 180 degrees forward and backward.

[0057] The first station detector 240 and the second station detector 250 are used to detect the position of the turntable 210. Specifically, when the first station follower 241 rotates to the first station inductor 242, the first station inductor 242 generates an induction signal and transmits it into the controller 800. At the same time, when the second station follower 251 rotates to the second station inductor 252, the second station inductor 252 generates an induction signal and transmits it into the controller 800. The controller 800 issues a stop signal to control the first motor 221 to stop rotating.

[0058] Further, referring to Figure 5 , the first test station 310 includes a first test seat 311 for placing the product to be tested, a first plugging and unplugging module 312, a first gripper 313, a second gripper 314, and a first communication module 315.

[0059] The first plug-in module 312 includes a first cylinder 316 and a first power interface 317 disposed on the top of the first cylinder 316. The first power interface 317 is used to supply power to the product under test; the first gripper 313 and the second gripper 314 are respectively disposed on both sides of the first test base 311, and the first gripper 313 and the second gripper 314 are used to grip both sides of the product under test; the first communication module 315 includes a second cylinder 318 and a first USB probe 319 disposed on the top of the second cylinder 318. The first USB probe 319 is used to connect to the USB terminal of the product under test.

[0060] Specifically, the first plug-in module 312 supplies power to the product under test. The first cylinder 316 controls the insertion and extraction of the first power interface 317 into and out of the power interface of the product under test. The first gripper 313 and the second gripper 314 are used to clamp and release both sides of the screen of the product under test. The first communication module 315 is used to control the insertion and extraction of the first USB probe 319 into and out of the USB communication interface of the product under test.

[0061] Further, referring to Figure 6 , the second test station 320 includes a second test base 321 for placing the product under test, a second plug-in module 322, a third gripper 323, a fourth gripper 324, and a second communication module 325.

[0062] The second plug-in module 322 includes a third cylinder 326 and a second power interface 327 disposed on the top of the third cylinder 326. The second power interface 327 is used to supply power to the product under test; the third gripper 323 and the fourth gripper 324 are respectively disposed on both sides of the second test base 321, and the third gripper 323 and the fourth gripper 324 are used to grip both sides of the product under test; the second communication module 325 includes a fourth cylinder 328 and a second USB probe 329 disposed on the top of the fourth cylinder 328. The second USB probe 329 is used to connect to the USB terminal of the product under test.

[0063] Specifically, the second plug-in module 322 supplies power to the product under test. The third cylinder 326 controls the insertion and extraction of the second power interface 327 into and out of the power interface of the product under test. The third gripper 323 and the fourth gripper 324 are used to clamp and release both sides of the screen of the product under test. The second communication module 325 is used to control the insertion and extraction of the second USB probe 329 into and out of the USB communication interface of the product under test.

[0064] Further, referring to Figure 7, the touch module 400 includes a fifth cylinder 410, a sixth cylinder 420, a counterweight 430, and a touch head 440 that are connected in sequence. The fifth cylinder 410 is installed on the frame 100. The fifth cylinder 410 provides horizontal movement for the touch head 440. The sixth cylinder 420 provides vertical movement for the touch head 440. The touch head 440 is used to touch the screen of the product under test.

[0065] Specifically, the controller 800 controls the touch module 400 to perform a touch operation on the screen of the product under test. The fifth cylinder 410 and the sixth cylinder 420 respectively provide movement control in the horizontal and vertical directions. The touch head 440 is used to touch the screen.

[0066] Further, referring to Figures 7 to 8 , it further includes an LED light supplement module 600. The LED light supplement module 600 is arranged on the frame 100. The LED light supplement module 600 is electrically connected to the controller 800. The LED light supplement module 600 includes a seventh cylinder 610 and an LED lamp 620 that are connected in sequence. One side of the seventh cylinder 610 is fixed to the frame 100. The seventh cylinder 610 controls the vertical movement of the LED lamp 620.

[0067] Specifically, the seventh cylinder 610 controls the vertical position of the LED lamp 620. The controller 800 is electrically connected to the LED lamp 620, thereby controlling the on / off of the LED lamp 800.

[0068] Further, referring to Figures 7 to 8 , the first image acquisition and processing device 510 includes a first camera 511 and a second camera 512 for taking pictures of a part of the screen of the product under test in the vertical direction;

[0069] The second image acquisition and processing device 520 includes a first inclined bracket 521, an eighth cylinder 522, and a third camera 523 that are connected in sequence. The first inclined bracket 521 is arranged in the test area on the workbench 110. The eighth cylinder 522 is used to adjust the distance between the third camera 523 and the side light-emitting point of the product under test. The third camera 523 is used to take pictures of the side light-emitting point of the product under test.

[0070] Specifically, the first camera 511 and the second camera are arranged above the product under test, mainly for taking pictures of a part of the screen of the product under test. The third camera 523 is arranged on the side of the product under test, mainly for taking pictures of the side light-emitting point of the product under test.

[0071] In a specific embodiment, the product under test is a smart speaker. The four sides of the smart speaker are curved surfaces and are not perpendicular to the plane of the screen. Therefore, to adapt to the side of the product under test, the first diagonal bracket 521 is diagonal.

[0072] Further, referring to Figure 8 , it further includes a DIP switch module 700. The DIP switch module 700 is electrically connected to the controller 800. The DIP switch module 700 includes a second diagonal bracket 710, a ninth cylinder 720, a linear motor 730, and a DIP switch finger 740 that are connected in sequence. The ninth cylinder 720 is arranged on the second diagonal bracket 710. The ninth cylinder 720 drives the linear motor 730 and the DIP switch finger 740 to approach or move away from the DIP switch of the product under test. The linear motor 730 drives the DIP switch finger 740 to move horizontally so as to change the state of the switch of the DIP switch of the product under test.

[0073] Specifically, the DIP switch finger 740 is used to toggle the button on the side of the product under test.

[0074] In a specific embodiment, the product under test is a smart speaker. The four sides of the smart speaker are curved surfaces and are not perpendicular to the plane of the screen. Therefore, to adapt to the side of the product under test, the second diagonal bracket 710 is diagonal.

[0075] Further, referring to Figures 1 to 2 , it further includes a host computer 810 and a display 820. The host computer 810 is electrically connected to the controller 800. The display 820 is electrically connected to the host computer 810. The host computer 810 is arranged in the frame 100, and the display 820 is arranged on the frame 100.

[0076] The above is only the preferred embodiment of the present invention. The present invention is not limited to the above embodiments. As long as it achieves the technical effects of the present invention by the same means, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present disclosure should be included within the scope of protection of the present disclosure. It should all belong to the scope of protection of the present invention. Within the scope of protection of the present invention, its technical solutions and / or implementation manners can have various different modifications and changes.

Claims

1. A product inspection device based on machine vision, characterized in that Comprising: A frame (100), the frame (100) includes a workbench (110), and the workbench (110) includes a test area and an area to be tested; A turntable mechanism (200), the turntable structure (210) includes a turntable (210) and a turntable drive module (220) for driving the turntable (210) to rotate. The turntable (210) is arranged on the workbench (110), and the turntable drive module (220) is arranged below the workbench (110); Test stations (300), the test stations (300) include a first test station (310) and a second test station (320), and the first test station (310) and the second test station (320) are oppositely arranged on both sides of the turntable (210); A touch module (400), the touch module (400) is used for the screen part to be touched, and the touch module (400) is arranged on the test area of the workbench (110); An image acquisition and processing device (500), the image acquisition and processing device (500) includes a first image acquisition and processing device (510) and a second image acquisition and processing device (520). The first image acquisition and processing device (510) is installed on the frame (100), and the second image acquisition and processing device (520) is installed on the test area of the workbench (110); A controller (800), the controller (800) is arranged inside the frame (100), and the turntable structure (210), the touch module (400), and the image acquisition and processing device (500) are respectively electrically connected to the controller (800).

2. The machine vision-based product detection device according to claim 1, wherein A light-shielding module (230) for blocking light is arranged on the turntable (210). The light-shielding module (230) includes a light-shielding plate (231) arranged in the middle of the turntable (210) and a brush strip (232) arranged on the frame (100). The two sides of the light-shielding plate (231) are respectively a test area and an area to be tested, and the brush strips (232) are respectively arranged on both sides of the light-shielding plate (231).

3. The machine vision-based product detection device according to claim 1, wherein The turntable drive module (220) includes a first motor (221), a transmission belt (222), and a gearbox (223) connected in sequence. The first motor (221) is electrically connected to the controller (800); The turntable driving module (220) further includes a first station detector (240) and a second station detector (250) disposed at the bottom of the turntable (210). The first station detector (240) and the second station detector (250) are electrically connected to the controller (800) respectively. The first station detector (240) includes a first station follower (241) disposed at the bottom of the first test station (310) and a first station inductor (242) disposed at the bottom of the workbench (110). The second station detector (250) includes a second station follower (251) disposed at the bottom of the second test station (320) and a second station inductor (252) disposed at the bottom of the workbench (110). The controller (800) controls the turntable (210) to rotate forward and backward by 180 degrees. When the first test station (310) is located in the test area of the workbench (110), the second test station (320) is located in the area to be tested of the workbench (110). When the second test station (320) is located in the test area of the workbench (110), the first test station (310) is located in the area to be tested of the workbench (110).

4. The machine vision-based product detection device according to claim 1, wherein The first test station (310) includes a first test seat (311) for placing the product to be tested, a first plugging and unplugging module (312), a first gripper (313), a second gripper (314), and a first communication module (315). The first plugging and unplugging module (312) includes a first cylinder (316) and a first power interface (317) disposed at the top of the first cylinder (316). The first power interface (317) is used to supply power to the product to be tested. The first gripper (313) and the second gripper (314) are respectively disposed on both sides of the first test seat (311). The first gripper (313) and the second gripper (314) are used to grip both sides of the product to be tested. The first communication module (315) includes a second cylinder (318) and a first USB probe (319) disposed at the top of the second cylinder (318). The first USB probe (319) is used to connect to the USB terminal of the product to be tested.

5. The machine vision-based product detection device according to claim 1, wherein The second test station (320) includes a second test seat (321) for placing the product to be tested, a second plugging and unplugging module (322), a third gripper (323), a fourth gripper (324), and a second communication module (325). The second plug-in module (322) includes a third cylinder (326) and a second power interface (327) disposed on the top of the third cylinder (326). The second power interface (327) is used to supply power to the product under test. The third jaw (323) and the fourth jaw (324) are respectively disposed on both sides of the second test seat (321). The third jaw (323) and the fourth jaw (324) are used to clamp both sides of the product under test. The second communication module (325) includes a fourth cylinder (328) and a second USB probe (329) disposed on the top of the fourth cylinder (328). The second USB probe (329) is used to connect to the USB terminal of the product under test.

6. The machine vision-based product detection device according to claim 1, wherein The touch module (400) includes a fifth cylinder (410), a sixth cylinder (420), a counterweight (430) and a touch head (440) connected in sequence. The fifth cylinder (410) is installed on the frame (100). The fifth cylinder (410) provides horizontal movement for the touch head (440). The sixth cylinder (420) provides vertical movement for the touch head (440). The touch head (440) is used to touch the screen of the product under test.

7. The machine vision-based product detection device according to claim 1, wherein It further includes an LED supplementary light module (600). The LED supplementary light module (600) is disposed on the frame (100). The LED supplementary light module (600) is electrically connected to the controller (800). The LED supplementary light module (600) includes a seventh cylinder (610) and an LED lamp (620) connected in sequence. One side of the seventh cylinder (610) is fixed to the frame (100). The seventh cylinder (610) controls the vertical movement of the LED lamp (620).

8. The machine vision-based product detection device according to claim 1, wherein The first image acquisition and processing device (510) includes a first camera (511) and a second camera (512) for photographing a part of the screen of the product under test in the vertical direction. The second image acquisition and processing device (520) includes a first inclined bracket (521), an eighth cylinder (522) and a third camera (523) connected in sequence. The first inclined bracket (521) is disposed in the test area on the workbench (110). The eighth cylinder (522) is used to adjust the distance between the third camera (523) and the side light-emitting point of the product under test. The third camera (523) is used to photograph the side light-emitting point of the product under test.

9. The machine vision-based product detection device according to claim 1, wherein It further includes a DIP switch module (700), the DIP switch module (700) is electrically connected to the controller (800), the DIP switch module (700) includes a second inclined bracket (710), a ninth cylinder (720), a linear motor (730) and a DIP switch finger (740) connected in sequence, the ninth cylinder (720) is arranged on the second inclined bracket (710), the ninth cylinder (720) drives the linear motor (730) and the DIP switch finger (740) to approach or move away from the DIP switch of the product to be measured, and the linear motor (730) drives the DIP switch finger (740) to move horizontally so as to change the state of the switch of the DIP switch of the product to be measured.

10. The product detection device based on machine vision according to claim 1, wherein It further includes a host computer (810) and a display (820), the host computer (810) is electrically connected to the controller (800), the display (820) is electrically connected to the host computer (810), the host computer (810) is arranged in the frame (100), and the display (820) is arranged on the frame (100).

Images