A detection device based on computer vision

Abstract

The present invention relates to the technical field of computer vision detection, and specifically relates to a detection device based on computer vision, which solves the problems that when the shape of an object is detected by using computer vision, the surface of the object is affected by the light of the external environment, which easily causes the acquired image to be unclear, thereby affecting the detection result, and it is not convenient to perform omnidirectional image acquisition on the surface of the object. The device includes a multi-arm adjustment mechanism and a follow-up light-shielding mechanism. A power connection and transmission mechanism is installed at the bottom end of the multi-arm adjustment mechanism. A rotary material placement mechanism is installed on one side of the power connection and transmission mechanism. A follow-up light-shielding mechanism is installed on the outer side of the rotary material placement mechanism. The rotary material placement mechanism includes a support base. By adjusting the angles of the image acquisition structure and the object, the present invention can effectively perform omnidirectional image acquisition on the surface of the object, and can effectively avoid the situation where the image data deviates due to the influence of external light on the surface of the object.

Description

Technical Field

[0001] The present invention relates to the technical field of computer vision detection, and specifically provides a detection device based on computer vision. Background Art

[0002] Online detection products at home and abroad mainly include contact detection and non-contact detection. For contact detection, the detection process is to sample the product samples, measure the dimensions in the laboratory, conduct destructive detection on products with complex shapes to obtain their dimensions, and determine whether the products are qualified according to the detection results. For non-contact detection, three-dimensional scanning is usually adopted, and then point clouds are obtained through scanning, and three-dimensional reverse is carried out to obtain the product digital model. The detection of computer vision refers to the process of using computer vision technology to identify, locate, and track objects, features, or events in images or videos.

[0003] When the existing computer vision is used to detect the shape of an object, the surface of the object is affected by the light in the external environment, which easily causes the obtained image to be unclear, thereby affecting the detection result, and it is not convenient to collect images of the object surface in all directions; therefore, it does not meet the existing requirements, and for this reason, we propose a detection device based on computer vision. Summary of the Invention

[0004] The purpose of the present invention is to provide a detection device based on computer vision to solve the problems mentioned in the above background art, that is, when the existing computer vision is used to detect the shape of an object, the surface of the object is affected by the light in the external environment, which easily causes the obtained image to be unclear, thereby affecting the detection result, and it is not convenient to collect images of the object surface in all directions.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A detection device based on computer vision includes a multi-arm adjustment mechanism and a follow-up light-shielding mechanism. The bottom end of the multi-arm adjustment mechanism is installed with a power connection and transmission mechanism. One side of the power connection and transmission mechanism is installed with a rotary material placement mechanism. The outside of the rotary material placement mechanism is installed with a follow-up light-shielding mechanism. The rotary material placement mechanism includes a support base. The outside of the upper end of the support base is rotationally connected with a material placement disk. Both sides of the material placement disk are fixedly installed with positioning blocks. The power connection and transmission mechanism includes a power connection box. The power connection box is fixedly connected with the support base. A partition plate is fixedly installed on the upper end surface of the power connection box;

[0006] The multi-arm adjusting mechanism includes an adjusting base, on one side of which a second driving motor is fixedly installed. Inside the adjusting base, a first support arm is rotatably connected. At the upper end of the first support arm, a second support arm is rotatably connected. At the upper end of the second support arm, a third support arm is rotatably connected. Inside the third support arm, a third driving motor is fixedly installed. At the output end of the third driving motor, an installation box is installed. At the lower end face of the installation box, a lens is installed, and outside the lens, a plurality of supplementary light beads are installed.

[0007] The follow-up light-shielding mechanism includes an elastic corrugated sleeve, on the outer side of the bottom end of which a positioning ring is slidably connected, and inside the upper end of the elastic corrugated sleeve, a supplementary light strip is installed.

[0008] Preferably, the rotating material placing mechanism further includes a support guide ring fixedly connected to the middle of the upper end face of the support base. Inside the support guide ring, a first driving motor is installed. A battery is installed between the support base and the material placing disk.

[0009] Preferably, the power connection and transmission mechanism further includes a power connection seat fixedly connected to one side of the power connection box. Inside the power connection box, a data storage module is inserted and installed. On one side of the data storage module, a circuit board is installed. On one side of the circuit board, two data conversion modules are installed. The data storage module, the circuit board, and the two data conversion modules are all electrically connected to the power connection seat, and the circuit board and the two data conversion modules are both fixedly connected to the power connection box.

[0010] Preferably, the follow-up light-shielding mechanism further includes a second telescopic tube connected to the connecting ring. On the outer side of the bottom end of the second telescopic tube, a first telescopic tube is installed. On the outer side of the bottom end of the first telescopic tube, an installation sleeve is installed. The bottom end of the installation sleeve is threadedly connected to the positioning block. The upper and lower ends of the first telescopic tube are both threadedly connected to the second telescopic tube and the installation sleeve. The upper ends of the two second telescopic tubes are connected to the supplementary light strip through the connecting ring.

[0011] Preferably, the installation sleeve, the first telescopic tube, and the second telescopic tube form a telescopic assembly. The positioning ring is fixedly connected to the material placing disk. The bottom end of the elastic corrugated sleeve is inserted between the material placing disk and the positioning ring, and a one-way light-transmitting film is provided on the inner wall of the elastic corrugated sleeve.

[0012] Preferably, the bottom end of the first driving motor is fixedly connected to the support base, the output end of the first driving motor is fixedly connected to the middle of the material placing disk, the material placing disk is rotatably connected to the support base through the support guide ring, and the battery is fixedly connected to the support base.

[0013] Preferably, the output end of the second driving motor penetrates through the adjusting seat and is fixedly connected to the adjusting seat by screws. Electric push rods are provided on the inner sides of the upper ends of the first support arm and the second support arm, and the output ends of the two electric push rods are respectively in close contact with the bottom ends of the second support arm and the third support arm.

[0014] Preferably, the multi-arm adjusting mechanism further includes a ventilation hood connected to the upper end of the installation box. A fan box is fixedly installed at the upper end of the ventilation hood. A connecting cable is installed on one side of the ventilation hood. The output end of the third driving motor penetrates through the third support arm and is fixedly connected to the installation box. The installation box is fixedly connected to the fan box through the ventilation hood. Fan blades and a fan motor are provided inside the fan box.

[0015] Preferably, a power connection board is provided inside the installation box, a camera is provided inside the lens, the upper end of the camera is fixedly connected to the power connection board, and the power connection board is connected to the circuit board through a connecting cable.

[0016] Preferably, a sealing gasket is provided between the lens and the installation box, the lens is adhesively fixed to the installation box, and the plurality of supplementary light beads are arranged in a circular pattern relative to the lens.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The present invention rotates the first telescopic tube and the second telescopic tube, and then the first telescopic tube and the second telescopic tube are telescoped and drive the elastic corrugated sleeve to adjust the height through the connecting ring, so that the telescopic assembly composed of the installation sleeve, the first telescopic tube and the second telescopic tube can stably support the elastic corrugated sleeve. A one-way light-transmitting film is provided on the inner wall of the elastic corrugated sleeve, which is convenient for performing one-way light-shielding operation on the object through the elastic corrugated sleeve, effectively avoiding the influence of external light on the shape detection of the object.

[0019] 2. The present invention can realize multi-segment adjustment and rotation operations of the installation box through the first support arm, the second support arm and the third support arm, which is convenient for the installation box to drive the lens to adjust the angle and position. At the same time, the first driving motor drives the object to rotate by itself through the material placing plate. Then, the camera inside the lens can perform omnidirectional image acquisition on the surface of the object, and the surface of the object can be fully filled with light through the supplementary light strip and the supplementary light beads, improving the clarity of the image acquisition of the object. The image data is transmitted to the circuit board through the connecting cable and stored through the data storage module. At the same time, the data conversion module can convert the image data and transmit it to the computer to realize the visual detection operation of the surface of the object. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the whole of the present invention;

[0021] Figure 2 is a schematic structural diagram of the multi-arm adjustment mechanism of the present invention;

[0022] Figure 3 is a schematic sectional structure diagram of the rotary material placement mechanism of the present invention;

[0023] Figure 4 is a schematic structural diagram of the power connection box of the present invention;

[0024] Figure 5 is a schematic partial structure diagram of the multi-arm adjustment mechanism of the present invention;

[0025] Figure 6 is a schematic structural diagram of the follow-up light-shielding mechanism of the present invention;

[0026] Figure 7 is a schematic partial sectional structure diagram of the follow-up light-shielding mechanism of the present invention.

[0027] In the figure: 1. Rotary material placement mechanism; 101. Support base; 102. Material placement tray; 103. First drive motor; 104. Battery; 105. Positioning block; 106. Support guide ring; 2. Power connection and transmission mechanism; 201. Power connection box; 202. Partition board; 203. Power connection seat; 204. Data storage module; 205. Circuit board; 206. Data conversion module; 3. Multi-arm adjustment mechanism; 301. Adjustment seat; 302. Second drive motor; 303. First support arm; 304. Second support arm; 305. Third support arm; 306. Connection cable; 307. Installation box; 308. Fan box; 309. Ventilation cover; 310. Third drive motor; 311. Lens; 312. Supplementary light beads; 4. Follow-up light-shielding mechanism; 401. Elastic corrugated sleeve; 402. Installation sleeve; 403. First telescopic tube; 404. Second telescopic tube; 405. Connection ring; 406. Positioning ring; 407. Supplementary light strip. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0029] Please refer to Figures 1 to 3, an embodiment provided by the present invention: a detection device based on computer vision, including a multi-arm adjustment mechanism 3 and a follow-up light-shielding mechanism 4. A power connection and transmission mechanism 2 is installed at the bottom end of the multi-arm adjustment mechanism 3. A rotary material placement mechanism 1 is installed on one side of the power connection and transmission mechanism 2. The rotary material placement mechanism 1 includes a support base 101. The outer side of the upper end of the support base 101 is rotatably connected to a material placement disk 102. Positioning blocks 105 are fixedly installed on both sides of the material placement disk 102. A support guide ring 106 is fixedly installed in the middle of the upper end surface of the support base 101. A first drive motor 103 is installed inside the support guide ring 106. The bottom end of the first drive motor 103 is fixedly connected to the support base 101. The output end of the first drive motor 103 is fixedly connected to the middle of the material placement disk 102. A battery 104 is installed between the support base 101 and the material placement disk 102. The material placement disk 102 is rotatably connected to the support base 101 through the support guide ring 106. The battery 104 is fixedly connected to the support base 101, so that the first drive motor 103 drives the object to rotate on its own axis through the material placement disk 102.

[0030] Please refer to Figures 1 to 4 , the power connection and transmission mechanism 2 includes a power connection box 201. The power connection box 201 is fixedly connected to the support base 101. A partition plate 202 is fixedly installed on the upper end surface of the power connection box 201. A power connection seat 203 is fixedly installed on one side of the power connection box 201. A data storage module 204 is inserted and installed inside the power connection box 201. A circuit board 205 is installed on one side of the data storage module 204. Two data conversion modules 206 are installed on one side of the circuit board 205. The data storage module 204, the circuit board 205, and the two data conversion modules 206 are all electrically connected to the power connection seat 203. The circuit board 205 and the two data conversion modules 206 are both fixedly connected to the power connection box 201. After the image acquisition is completed, the image data is transmitted to the circuit board 205 through the connection cable 306 and stored by the data storage module 204. At the same time, the data conversion module 206 can convert the image data and transmit it to the computer.

[0031] Please refer to Figures 1 to 5, the multi-arm adjustment mechanism 3 includes an adjustment base 301. On one side of the adjustment base 301, a second drive motor 302 is fixedly installed. The output end of the second drive motor 302 penetrates the adjustment base 301 and is fixedly connected to the adjustment base 301 by screws. Inside the adjustment base 301, a first support arm 303 is rotatably connected. The upper end of the first support arm 303 is rotatably connected to a second support arm 304. The upper end of the second support arm 304 is rotatably connected to a third support arm 305. Electric push rods are provided inside the upper ends of the first support arm 303 and the second support arm 304. The output ends of the two electric push rods are respectively in close contact with the bottom ends of the second support arm 304 and the third support arm 305. Inside the third support arm 305, a third drive motor 310 is fixedly installed. An installation box 307 is installed at the output end of the third drive motor 310. The output end of the third drive motor 310 penetrates the third support arm 305 and is fixedly connected to the installation box 307. Thus, multi-stage adjustment and rotation operations of the installation box 307 can be achieved through the first support arm 303, the second support arm 304, and the third support arm 305, and then it is convenient for the installation box 307 to drive the lens 311 to adjust the angle and position;

[0032] An air-permeable cover 309 is installed at the upper end of the installation box 307. A fan box 308 is fixedly installed at the upper end of the air-permeable cover 309. The installation box 307 is fixedly connected to the fan box 308 through the air-permeable cover 309. Inside the fan box 308, fan blades and a fan motor are provided. A connecting cable 306 is installed on one side of the air-permeable cover 309. A lens 311 is installed on the lower end surface of the installation box 307. A plurality of supplementary light beads 312 are installed outside the lens 311. An electricity connection board is provided inside the installation box 307. A camera is provided inside the lens 311. The upper end of the camera is fixedly connected to the electricity connection board. The electricity connection board is connected to the circuit board 205 through the connecting cable 306. A sealing gasket is provided between the lens 311 and the installation box 307. The lens 311 is adhesively fixed to the installation box 307. The plurality of supplementary light beads 312 are arranged in a circular pattern relative to the lens 311. The camera inside the lens 311 can perform all-round image acquisition of the object surface, and through the supplementary light strip 407 and the supplementary light beads 312, the object surface can be fully illuminated, improving the clarity of the image acquisition of the object.

[0033] Please refer to Figure 6 and Figure 7, a follow-up light-shielding mechanism 4 is installed outside the rotary material placing mechanism 1. The follow-up light-shielding mechanism 4 includes an elastic corrugated sleeve 401. A positioning ring 406 is slidably connected to the outer side of the bottom end of the elastic corrugated sleeve 401. The positioning ring 406 is fixedly connected to the material placing disc 102. The bottom end of the elastic corrugated sleeve 401 is inserted between the material placing disc 102 and the positioning ring 406. A supplementary light strip 407 is installed inside the upper end of the elastic corrugated sleeve 401. A second telescopic tube 404 is rotatably connected to the inner side of the connecting ring 405. A first telescopic tube 403 is installed on the outer side of the bottom end of the second telescopic tube 404. An installation sleeve 402 is installed on the outer side of the bottom end of the first telescopic tube 403. The installation sleeve 402, the first telescopic tube 403 and the second telescopic tube 404 form a telescopic assembly. The elastic corrugated sleeve 401 can be stably supported through the telescopic assembly, which is convenient for meeting the light-shielding operation on objects with different height dimensions;

[0034] A one-way light-transmitting film is provided on the inner wall of the elastic corrugated sleeve 401. The bottom end of the installation sleeve 402 is threadedly connected to the positioning block 105. The upper and lower ends of the first telescopic tube 403 are threadedly connected to the second telescopic tube 404 and the installation sleeve 402 respectively. The upper ends of the two second telescopic tubes 404 are connected to the supplementary light strip 407 through the connecting ring 405, which is convenient for performing a one-way light-shielding operation on the object through the elastic corrugated sleeve 401 and effectively avoiding the influence of external light on the shape detection of the object.

[0035] During use, when performing an appearance inspection on an object, the object is placed on the upper end surface of the material placing disc 102, and then the height of the connecting ring 405 is adjusted according to the height dimension of the object. Specifically, the two ends of the first telescopic tube 403 are threadedly connected to the installation sleeve 402 and the second telescopic tube 404 respectively, so that the first telescopic tube 403 and the second telescopic tube 404 are rotated. Furthermore, the first telescopic tube 403 and the second telescopic tube 404 are telescoped and drive the elastic corrugated sleeve 401 to adjust its height through the connecting ring 405, so that the telescopic assembly composed of the installation sleeve 402, the first telescopic tube 403 and the second telescopic tube 404 can stably support the elastic corrugated sleeve 401. A one-way light-transmitting film is provided on the inner wall of the elastic corrugated sleeve 401, which is convenient for performing a one-way light-shielding operation on the object through the elastic corrugated sleeve 401 and effectively avoiding the influence of external light on the shape detection of the object;

[0036] Start the second drive motor 302 and the third drive motor 310, so that the second drive motor 302 drives the first support arm 303 to rotate relative to the adjustment base 301, and the third drive motor 310 drives the mounting box 307 to rotate reciprocally relative to the axis of the third support arm 305. Electric push rods are provided on the inner sides of both the first support arm 303 and the second support arm 304, so that multi-segment adjustment and rotation operations of the mounting box 307 can be realized through the first support arm 303, the second support arm 304 and the third support arm 305. Furthermore, it is convenient for the mounting box 307 to drive the lens 311 to adjust the angle and position. At the same time, start the first drive motor 103, so that the first drive motor 103 drives the object to rotate by itself through the material placing tray 102 under the support of the support base 101. Furthermore, the camera inside the lens 311 can perform omnidirectional image acquisition on the object surface;

[0037] Moreover, the object surface can be comprehensively illuminated by the supplementary light strip 407 and the supplementary light beads 312 to improve the clarity of the image acquisition of the object. After the image acquisition is completed, the image data is transmitted to the image data transmission circuit board 205 through the connection cable 306 and stored by the data storage module 204. At the same time, the data conversion module 206 can convert the image data and transmit it to the computer to realize the visual detection operation of the object surface.

[0038] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed claims.

Claims

1. A detection device based on computer vision, comprising a multi-arm adjustment mechanism (3) and a follow-up light-shielding mechanism (4), characterized in that: The bottom end of the multi-arm adjusting mechanism (3) is installed with a power connection and transmission mechanism (2). One side of the power connection and transmission mechanism (2) is installed with a rotating material placing mechanism (1). The outside of the rotating material placing mechanism (1) is installed with a follow-up light shielding mechanism (4). The rotating material placing mechanism (1) includes a support base (101). The outside of the upper end of the support base (101) is rotatably connected with a material placing disc (102). Both sides of the material placing disc (102) are fixedly installed with positioning blocks (105). The power connection and transmission mechanism (2) includes a power connection box (201). The power connection box (201) is fixedly connected with the support base (101). The upper end surface of the power connection box (201) is fixedly installed with a partition plate (202); The multi-arm adjusting mechanism (3) includes an adjusting seat (301). One side of the adjusting seat (301) is fixedly installed with a second driving motor (302). The inside of the adjusting seat (301) is rotatably connected with a first support arm (303). The upper end of the first support arm (303) is rotatably connected with a second support arm (304). The upper end of the second support arm (304) is rotatably connected with a third support arm (305). The inside of the third support arm (305) is fixedly installed with a third driving motor (310). The output end of the third driving motor (310) is installed with an installation box (307). The lower end surface of the installation box (307) is installed with a lens (311). The outside of the lens (311) is installed with a plurality of supplementary light beads (312); The follow-up light shielding mechanism (4) includes an elastic corrugated sleeve (401). The outside of the bottom end of the elastic corrugated sleeve (401) is slidably connected with a positioning ring (406). The inside of the upper end of the elastic corrugated sleeve (401) is installed with a supplementary light strip (407); The rotating material placing mechanism (1) further includes a support guide ring (106) fixedly connected to the middle of the upper end surface of the support base (101). The inside of the support guide ring (106) is installed with a first driving motor (103). A battery (104) is installed between the support base (101) and the material placing disc (102); The power connection and transmission mechanism (2) further includes a power connection seat (203) fixedly connected to one side of the power connection box (201). A data storage module (204) is inserted and installed inside the power connection box (201). One side of the data storage module (204) is installed with a circuit board (205). One side of the circuit board (205) is installed with two data conversion modules (206). The data storage module (204), the circuit board (205) and the two data conversion modules (206) are all electrically connected to the power connection seat (203). The circuit board (205) and the two data conversion modules (206) are both fixedly connected to the power connection box (201); The follow-up light-shielding mechanism (4) further includes a second telescopic tube (404) connected to the connecting ring (405). The outer side of the bottom end of the second telescopic tube (404) is provided with a first telescopic tube (403). The outer side of the bottom end of the first telescopic tube (403) is provided with an installation sleeve (402). The bottom end of the installation sleeve (402) is threadedly connected to the positioning block (105). The upper and lower ends of the first telescopic tube (403) are threadedly connected to the second telescopic tube (404) and the installation sleeve (402) respectively. The upper ends of the two second telescopic tubes (404) are connected to the supplementary light strip (407) through the connecting ring (405). The installation sleeve (402), the first telescopic tube (403) and the second telescopic tube (404) form a telescopic assembly. The positioning ring (406) is fixedly connected to the material placing tray (102). The bottom end of the elastic corrugated sleeve (401) is inserted between the material placing tray (102) and the positioning ring (406). The inner wall of the elastic corrugated sleeve (401) is provided with a one-way light-transmitting film.

2. The detection device based on computer vision according to claim 1, wherein: The bottom end of the first driving motor (103) is fixedly connected to the support base (101). The output end of the first driving motor (103) is fixedly connected to the middle part of the material placing tray (102). The material placing tray (102) is rotatably connected to the support base (101) through the support guide ring (106). The battery (104) is fixedly connected to the support base (101).

3. The detection device based on computer vision according to claim 1, characterized in that: The output end of the second driving motor (302) penetrates through the adjusting seat (301) and is fixedly connected to the adjusting seat (301) by screws. Electric push rods are arranged on the inner sides of the upper ends of the first support arm (303) and the second support arm (304). The output ends of the two electric push rods are respectively in abutting contact with the bottom ends of the second support arm (304) and the third support arm (305).

4. The detection device based on computer vision according to claim 3, characterized in that: The multi-arm adjusting mechanism (3) further includes a ventilation hood (309) connected to the upper end of the installation box (307). The upper end of the ventilation hood (309) is fixedly installed with a fan box (308). One side of the ventilation hood (309) is provided with a connecting cable (306). The output end of the third driving motor (310) penetrates through the third support arm (305) and is fixedly connected to the installation box (307). The installation box (307) is fixedly connected to the fan box (308) through the ventilation hood (309). The inner side of the fan box (308) is provided with fan blades and a fan motor.

5. The detection device based on computer vision according to claim 4, characterized in that: An electricity connection board is arranged inside the installation box (307). A camera is arranged inside the lens (311). The upper end of the camera is fixedly connected to the electricity connection board. The electricity connection board is connected to the circuit board (205) through the connecting cable (306).

6. The detection device based on computer vision according to claim 5, wherein: A sealing gasket is arranged between the lens (311) and the installation box (307). The lens (311) is adhesively fixed to the installation box (307). A plurality of supplementary light beads (312) are arranged in a circular pattern relative to the lens (311).

Images