Detection device based on computer vision

Abstract

The invention relates to the technical field of computer vision detection, in particular to a detection device based on computer vision, and solves the problems that the surface of an object is influenced by light of an external environment when the appearance of the object is detected by using the computer vision, so that the obtained image is not clear, and the detection result is influenced. The device comprises a multi-arm adjusting mechanism and a follow-up shading mechanism, a power connection transmission mechanism is installed at the bottom end of the multi-arm adjusting mechanism, a rotary material placing mechanism is installed on one side of the power connection transmission mechanism, the follow-up shading mechanism is installed on the outer side of the rotary material placing mechanism, and the follow-up shading mechanism is installed on the outer side of the rotary material placing mechanism. And the rotary material placing mechanism comprises a supporting base. According to the invention, through angle adjustment of the image acquisition structure and the object, omnibearing image acquisition can be effectively carried out on the surface of the object, and the condition of image data deviation caused by the influence of external light on the surface of the object can be effectively avoided.

Description

Technical Field

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

[0002] There are mainly two types of online detection products at home and abroad: contact detection and non-contact detection. For contact detection, the detection process is to conduct sampling inspection on product samples, measure the dimensions in the laboratory, and perform destructive inspection on products with complex shapes to obtain their dimensions. The product is judged whether it is qualified based on the test results. For non-contact detection, three-dimensional scanning is usually adopted, and then point clouds are obtained through scanning, three-dimensional reverse engineering is performed, and product digital models are obtained. Computer vision detection refers to the process of using computer vision technology to identify, locate and track objects, features or events in images or videos.

[0003] When computer vision is used to detect the shape of an object, the surface of the object is affected by the light of the external environment, which can easily cause the acquired image to be unclear, thereby affecting the detection result, and it is not convenient to perform all-round image acquisition of the surface of the object; therefore, it does not meet the existing needs. In this regard, 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 problem raised in the above background technology that when using computer vision to detect the shape of an object, 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 all-round image acquisition of the surface of the object.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a detection device based on computer vision, comprising a multi-arm adjustment mechanism and a follow-up shading mechanism, wherein a power transmission mechanism is installed at the bottom end of the multi-arm adjustment mechanism, a rotating material placement mechanism is installed at one side of the power transmission mechanism, a follow-up shading mechanism is installed at the outer side of the rotating material placement mechanism, the rotating material placement mechanism comprises a supporting base, a material placement tray is rotatably connected to the outer side of the upper end of the supporting base, positioning blocks are fixedly installed on both sides of the material placement tray, the power transmission mechanism comprises a power connection box, the power connection box is fixedly connected to the supporting base, and a partition plate is fixedly installed on the upper end surface of the power connection box;

[0006] The multi-arm adjustment mechanism comprises an adjustment seat, a second transmission motor is fixedly installed on one side of the adjustment seat, a first support arm is rotatably connected to the inner side of the adjustment seat, a second support arm is rotatably connected to the upper end of the first support arm, a third support arm is rotatably connected to the upper end of the second support arm, a third transmission motor is fixedly installed on the inner side of the third support arm, an installation box is installed on the output end of the third transmission motor, a lens is installed on the lower end surface of the installation box, and a plurality of fill light beads are installed on the outer side of the lens;

[0007] The follow-up shading mechanism comprises an elastic corrugated sleeve, the outer side of the bottom end of the elastic corrugated sleeve is slidably connected with a positioning ring, and the inner side of the upper end of the elastic corrugated sleeve is installed with a fill light belt.

[0008] Preferably, the rotating material placing mechanism further comprises a supporting guide ring fixedly connected to the middle part of the upper end surface of the supporting base, a first transmission motor is installed on the inner side of the supporting guide ring, and a battery is installed between the supporting base and the material placing tray.

[0009] Preferably, the power transmission mechanism also includes a power connection socket fixedly connected to one side of the power connection box, a data storage module is plugged and installed on the inner side of the power connection box, a circuit board is installed on one side of the data storage module, two data conversion modules are installed on one side of the circuit board, the data storage module, the circuit board and the two data conversion modules are all electrically connected to the power connection socket, and the circuit board and the two data conversion modules are all fixedly connected to the power connection box.

[0010] Preferably, the follow-up shading mechanism also includes a second telescopic tube connected to a connecting ring, a first telescopic tube is installed on the outer side of the bottom end of the second telescopic tube, a mounting sleeve is installed on the outer side of the lower end of the first telescopic tube, the bottom end of the mounting sleeve is threadedly connected to the positioning block, the upper and lower ends of the first telescopic tube are threadedly connected to the second telescopic tube and the mounting sleeve, and the upper ends of the two second telescopic tubes are connected to the fill light strip via a connecting ring.

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

[0012] Preferably, the bottom end of the first transmission motor is fixedly connected to the support base, the output end of the first transmission motor is fixedly connected to the middle of the material placing tray, the material placing tray and the support base are rotatably connected via a support guide ring, and the battery is fixedly connected to the support base.

[0013] Preferably, the output end of the second transmission motor passes through the adjustment seat and is fixedly connected to the adjustment seat by screws, and 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 contact with the bottom ends of the second support arm and the third support arm.

[0014] Preferably, the multi-arm adjustment mechanism also includes a ventilated hood connected to the upper end of the mounting box, a fan box is fixedly mounted on the upper end of the ventilated hood, a connecting cable is installed on one side of the ventilated hood, the output end of the third transmission motor passes through the third support arm and is fixedly connected to the mounting box, the mounting box and the fan box are fixedly connected via the ventilated hood, and fan blades and a fan motor are provided on the inner side of the fan box.

[0015] Preferably, a power board is provided on the inner side of the installation box, a camera is provided on the inner side of the lens, an upper end of the camera is fixedly connected to the power board, and the power board is connected to the circuit board via a connecting cable.

[0016] Preferably, a sealing gasket is provided between the lens and the mounting box, the lens and the mounting box are bonded and fixed, and the plurality of fill light beads are arranged in a circle relative to the lens.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[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 the elastic corrugated sleeve is driven to adjust the height through the connecting ring, so that the telescopic assembly composed of the mounting sleeve, the first telescopic tube and the second telescopic tube can stably support the elastic corrugated sleeve, and a one-way light-transmitting film is provided on the inner wall of the elastic corrugated sleeve, so that the elastic corrugated sleeve is convenient for one-way light-shielding operation of the object, and effectively prevents external light from affecting the shape detection of the object;

[0019] 2. The present invention can realize multi-stage adjustment and rotation operations on the installation box through the first support arm, the second support arm and the third support arm, so that the installation box drives the lens to adjust the angle and position. At the same time, the first transmission motor drives the object to rotate through the material placement tray, so that the camera inside the lens can perform all-round image acquisition on the surface of the object, and the surface of the object can be fully supplemented by the fill light belt and fill light beads, thereby 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 image data can be converted and transmitted to the computer through the data conversion module, thereby realizing the visual inspection operation of the object surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

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

[0022] Figure 3 It is a schematic cross-sectional structure diagram of the rotary material placing mechanism of the present invention;

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

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

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

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

[0027] In the figure: 1. Rotating material placement mechanism; 101. Support base; 102. Material placement tray; 103. First transmission motor; 104. Battery; 105. Positioning block; 106. Support guide ring; 2. Power transmission mechanism; 201. Power connection box; 202. Separator; 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 transmission motor; 303. The first supporting arm; 304, the second supporting arm; 305, the third supporting arm; 306, the connecting cable; 307, the mounting box; 308, the fan box; 309, the ventilation cover; 310, the third transmission motor; 311, the lens; 312, the fill light bead; 4, the follow-up shading mechanism; 401, the elastic corrugated sleeve; 402, the mounting sleeve; 403, the first telescopic tube; 404, the second telescopic tube; 405, the connecting ring; 406, the positioning ring; 407, the fill light strip. DETAILED DESCRIPTION

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

[0029] See also Figures 1 to 3An embodiment of the present invention provides: a detection device based on computer vision, including a multi-arm adjustment mechanism 3 and a follow-up shading mechanism 4, the bottom end of the multi-arm adjustment mechanism 3 is installed with a power transmission mechanism 2, one side of the power transmission mechanism 2 is installed with a rotating material placement mechanism 1, the rotating material placement mechanism 1 includes a support base 101, the outer side of the upper end of the support base 101 is rotatably connected with a material placement tray 102, both sides of the material placement tray 102 are fixedly installed with positioning blocks 105, and the middle part of the upper end surface of the support base 101 is fixedly installed with a support guide ring 106 A first transmission motor 103 is installed on the inner side of the support guide ring 106, the bottom end of the first transmission motor 103 is fixedly connected to the support base 101, the output end of the first transmission motor 103 is fixedly connected to the middle part of the material placing tray 102, a battery 104 is installed between the support base 101 and the material placing tray 102, the material placing tray 102 and the support base 101 are rotatably connected through the support guide ring 106, and the battery 104 is fixedly connected to the support base 101, so that the first transmission motor 103 drives the object to rotate through the material placing tray 102.

[0030] See also Figures 1 to 4 The power transmission mechanism 2 includes a power connection box 201, which 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 socket 203 is fixedly installed on one side of the power connection box 201. A data storage module 204 is plugged and installed on the inner side of 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 socket 203. The circuit board 205 and the two data conversion modules 206 are all 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 connecting cable 306 and stored through the data storage module 204. At the same time, the image data can be converted and transmitted to the computer through the data conversion module 206.

[0031] See also Figures 1 to 5The multi-arm adjustment mechanism 3 includes an adjustment seat 301, a second transmission motor 302 is fixedly installed on one side of the adjustment seat 301, the output end of the second transmission motor 302 passes through the adjustment seat 301 and is fixedly connected to the adjustment seat 301 by screws, the inner side of the adjustment seat 301 is rotatably connected to the first support arm 303, the upper end of the first support arm 303 is rotatably connected to the second support arm 304, the upper end of the second support arm 304 is rotatably connected to the third support arm 305, the inner sides of the upper ends of the first support arm 303 and the second support arm 304 are both provided with electric push rods, and the output ends of the two electric push rods are respectively The third support arm 305 is respectively in contact with the bottom ends of the second support arm 304 and the third support arm 305. A third transmission motor 310 is fixedly installed on the inner side of the third support arm 305. A mounting box 307 is installed on the output end of the third transmission motor 310. The output end of the third transmission motor 310 passes through the third support arm 305 and is fixedly connected to the mounting box 307, so that the mounting box 307 can be adjusted and rotated in multiple stages through the first support arm 303, the second support arm 304 and the third support arm 305, so as to facilitate the mounting box 307 to drive the lens 311 to adjust the angle and position;

[0032] A ventilating cover 309 is installed on the upper end of the installation box 307, a fan box 308 is fixedly installed on the upper end of the ventilating cover 309, the installation box 307 and the fan box 308 are fixedly connected through the ventilating cover 309, the inner side of the fan box 308 is provided with fan blades and a fan motor, a connecting cable 306 is installed on one side of the ventilating cover 309, a lens 311 is installed on the lower end surface of the installation box 307, a plurality of fill light beads 312 are installed on the outer side of the lens 311, a power board is provided on the inner side of the installation box 307, and a camera is provided on the inner side of the lens 311 The upper end of the camera is fixedly connected to the power board, the power board is connected to the circuit board 205 through the connecting cable 306, a sealing gasket is provided between the lens 311 and the mounting box 307, the lens 311 and the mounting box 307 are bonded and fixed, and a plurality of fill light beads 312 are arranged in a circle relative to the lens 311. The camera inside the lens 311 can perform all-round image acquisition of the surface of the object, and the fill light strip 407 and the fill light beads 312 can perform comprehensive fill light on the surface of the object, thereby improving the clarity of the image acquisition of the object.

[0033] See also Figure 6 and Figure 7, a follow-up shading mechanism 4 is installed on the outer side of the rotating material placement mechanism 1, and the follow-up shading mechanism 4 includes an elastic corrugated sleeve 401, and a positioning ring 406 is slidably connected to the outer side of the bottom end of the elastic corrugated sleeve 401, and the positioning ring 406 is fixedly connected to the material placement tray 102, and the bottom end of the elastic corrugated sleeve 401 is inserted between the material placement tray 102 and the positioning ring 406, and a fill light belt 407 is installed on the inner side of the upper end of the elastic corrugated sleeve 401, and a second telescopic tube 404 is rotatably connected to the inner side of the connecting ring 405, and a first telescopic tube 403 is installed on the outer side of the bottom end of the second telescopic tube 404, and a mounting sleeve 402 is installed on the outer side of the first telescopic tube 403, and the mounting sleeve 402, the first telescopic tube 403 and the second telescopic tube 404 form a telescopic assembly, and the elastic corrugated sleeve 401 can be stably supported by the telescopic assembly, so as to meet the shading operation of objects of different heights and sizes;

[0034] The inner wall of the elastic corrugated sleeve 401 is provided with a one-way light-transmitting film, the bottom end of the mounting 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 mounting sleeve 402, and the upper ends of the two second telescopic tubes 404 are connected to the fill light strip 407 through a connecting ring 405, which facilitates the one-way shading operation of the object through the elastic corrugated sleeve 401, effectively preventing external light from affecting the appearance detection of the object.

[0035] When in use, when performing appearance inspection on an object, the object is placed on the upper end surface of the material placement tray 102, and then the height of the connecting ring 405 is adjusted according to the height size of the object. Specifically, both ends of the first telescopic tube 403 are connected to the installation sleeve 402 and the second telescopic tube 404 by threads, so that the first telescopic tube 403 and the second telescopic tube 404 are rotated, and then the first telescopic tube 403 and the second telescopic tube 404 are telescoped and the elastic corrugated sleeve 401 is driven 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, and a one-way light-transmitting film is provided on the inner wall of the elastic corrugated sleeve 401, so as to facilitate the one-way light-shielding operation of the object through the elastic corrugated sleeve 401, and effectively prevent external light from affecting the appearance inspection of the object;

[0036] The second transmission motor 302 and the third transmission motor 310 are started, so that the second transmission motor 302 drives the first support arm 303 to rotate relative to the adjustment seat 301, and the third transmission motor 310 drives the installation box 307 to reciprocate relative to the axis of the third support arm 305, and electric push rods are provided on the inner sides of the first support arm 303 and the second support arm 304, so that the installation box 307 can be adjusted and rotated in multiple stages through the first support arm 303, the second support arm 304 and the third support arm 305, so that the installation box 307 can be driven by the lens 311 to adjust the angle and position, and the first transmission motor 103 is started at the same time, so that the first transmission motor 103 drives the object to rotate through the material tray 102 under the support of the support base 101, and the camera inside the lens 311 can perform all-round image acquisition on the surface of the object;

[0037] The fill light strip 407 and the fill light beads 312 can be used to fill light the surface of the object, thereby improving the clarity of the image acquisition of the object. After the image acquisition is completed, the image data is transmitted to the circuit board 205 through the connecting cable 306 and stored in the data storage module 204. At the same time, the image data can be converted and transmitted to the computer through the data conversion module 206, thereby realizing the visual detection operation of the object surface.

[0038] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A detection device based on computer vision, comprising a multi-arm adjustment mechanism (3) and a follow-up shading mechanism (4), characterized in that: The bottom end of the multi-arm adjustment mechanism (3) is provided with a power transmission mechanism (2), one side of the power transmission mechanism (2) is provided with a rotating material placement mechanism (1), the outer side of the rotating material placement mechanism (1) is provided with a follow-up shading mechanism (4), the rotating material placement mechanism (1) comprises a support base (101), the outer side of the upper end of the support base (101) is rotatably connected with a material placement tray (102), both sides of the material placement tray (102) are fixedly provided with positioning blocks (105), the power transmission mechanism (2) comprises a power connection box (201), the power connection box (201) is fixedly connected to the support base (101), and a partition plate (202) is fixedly provided on the upper end surface of the power connection box (201); The multi-arm adjustment mechanism (3) comprises an adjustment seat (301), a second transmission motor (302) is fixedly mounted on one side of the adjustment seat (301), a first support arm (303) is rotatably connected to the inner side of the adjustment seat (301), a second support arm (304) is rotatably connected to the upper end of the first support arm (303), a third support arm (305) is rotatably connected to the upper end of the second support arm (304), a third transmission motor (310) is fixedly mounted on the inner side of the third support arm (305), an installation box (307) is mounted on the output end of the third transmission motor (310), a lens (311) is mounted on the lower end surface of the installation box (307), and a plurality of fill light beads (312) are mounted on the outer side of the lens (311); The follow-up shading mechanism (4) comprises an elastic corrugated sleeve (401), the outer side of the bottom end of the elastic corrugated sleeve (401) is slidably connected with a positioning ring (406), and the inner side of the upper end of the elastic corrugated sleeve (401) is installed with a fill light strip (407).

2. A computer vision-based detection device according to claim 1, characterized in that: The rotating material placement mechanism (1) further comprises a support guide ring (106) fixedly connected to the middle part of the upper end surface of the support base (101); a first transmission motor (103) is installed inside the support guide ring (106); and a battery (104) is installed between the support base (101) and the material placement tray (102).

3. A computer vision-based detection device according to claim 2, characterized in that: The power connection and transmission mechanism (2) further comprises a power connection socket (203) fixedly connected to one side of the power connection box (201); a data storage module (204) is plugged 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 socket (203); and the circuit board (205) and the two data conversion modules (206) are all fixedly connected to the power connection box (201).

4. The computer vision-based detection device according to claim 2, characterized in that: The follow-up shading mechanism (4) also includes a second telescopic tube (404) connected to a connecting ring (405); a first telescopic tube (403) is installed on the outer side of the bottom end of the second telescopic tube (404); a mounting sleeve (402) is installed on the outer side of the first telescopic tube (403); the bottom end of the mounting sleeve (402) is connected to the positioning block (105) by threading; the upper and lower ends of the first telescopic tube (403) are connected to the second telescopic tube (404) and the mounting sleeve (402) by threading; and the upper ends of the two second telescopic tubes (404) are connected to the fill light strip (407) by a connecting ring (405).

5. The computer vision-based detection device according to claim 4, characterized in that: 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 placement tray (102), the bottom end of the elastic corrugated sleeve (401) is inserted between the material placement tray (102) and the positioning ring (406), and the inner wall of the elastic corrugated sleeve (401) is provided with a one-way light-transmitting film.

6. The computer vision-based detection device according to claim 5, characterized in that: The bottom end of the first transmission motor (103) is fixedly connected to the support base (101), the output end of the first transmission motor (103) is fixedly connected to the middle of the material placement tray (102), the material placement tray (102) and the support base (101) are rotatably connected via a support guide ring (106), and the battery (104) is fixedly connected to the support base (101).

7. The computer vision-based detection device according to claim 3, characterized in that: The output end of the second transmission motor (302) passes through the adjustment seat (301) and is fixedly connected to the adjustment seat (301) by means of screws; an electric push rod is provided on the inner side of the upper end of the first support arm (303) and the second support arm (304); the output ends of the two electric push rods are respectively in contact with the bottom ends of the second support arm (304) and the third support arm (305).

8. The computer vision-based detection device according to claim 7, characterized in that: The multi-arm adjustment mechanism (3) further comprises an air hood (309) connected to the upper end of the installation box (307); a fan box (308) is fixedly mounted on the upper end of the air hood (309); a connecting cable (306) is mounted on one side of the air hood (309); an output end of the third transmission motor (310) passes through the third support arm (305) and is fixedly connected to the installation box (307); the installation box (307) and the fan box (308) are fixedly connected via the air hood (309); and fan blades and a fan motor are arranged on the inner side of the fan box (308).

9. A computer vision-based detection device according to claim 8, characterized in that: A power 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 power board, and the power board is connected to the circuit board (205) via a connecting cable (306).

10. The computer vision-based detection device according to claim 9, characterized in that: A sealing gasket is provided between the lens (311) and the installation box (307), the lens (311) and the installation box (307) are bonded and fixed, and the plurality of fill light beads (312) are arranged in a circle relative to the lens (311).

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