Robot vision equipment capable of inhibiting strong light

By using a filter switching assembly and a servo motor-controlled filter switching, the problem of recognition in strong light environments for robot vision systems is solved, enabling stable and efficient operation of robot vision equipment.

CN223599927UActive Publication Date: 2025-11-25SUZHOU XUNFEIDA AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202423021164.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-07
Publication Date
2025-11-25
Estimated Expiration
2034-12-07

AI Technical Summary

Technical Problem

Robot vision systems struggle to accurately identify the position and shape of welding workpieces in strong light conditions, leading to decreased work efficiency and accuracy.

Method used

The system employs a filter switching assembly, including a common visible light filter, a strong light suppression filter, and a polarizing filter. The filter switching is controlled by a light intensity detection module and a servo motor to control the rotating shaft, and the filtering effect is automatically adjusted according to the light intensity.

Benefits of technology

It effectively suppresses strong light interference, improves the recognition accuracy and stability of robot vision equipment, and ensures normal operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223599927U_ABST
Patent Text Reader

Abstract

The utility model discloses a robot vision device for inhibiting strong light, which comprises a shell, a machine vision groove is arranged on the outer wall of the front end of the shell, a machine vision camera is fixedly arranged on the inner wall of the machine vision groove, an optical filter switching assembly is arranged on the inner wall of the machine vision groove, and the optical filter switching assembly comprises an arch-shaped support frame. The robot vision device relates to the technical field of robot vision equipment, the optical filter switching assembly is arranged, so that a rotating shaft is conveniently controlled to rotate through a servo motor according to the light intensity of a light intensity detection module on the environment, an optical filter group is wound, and the winding efficiency of the optical filter group is improved. Therefore, the visible light filter, the strong light suppression filter and the polarization filter are switched, light irradiated to the machine vision camera is filtered, and the influence of ambient light on the machine vision camera is eliminated or reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to robot vision equipment technical field, concretely is a kind of robot vision equipment of strong light suppression. BACKGROUND

[0002] With the wide application of robot technology in many fields, such as industrial manufacturing, outdoor detection, intelligent security, etc., the importance of robot vision system is increasingly prominent, however, in the actual working environment, the robot vision system often faces the problem of strong light interference, in the industrial welding scene, the strong welding arc light can make the robot vision sensor receive excessive light signals, resulting in over-bright image, detail loss, and unable to accurately identify the position and shape of the welding workpiece, under the strong light irradiation in outdoor, such as direct sunlight or strong light reflection scene, the robot vision will also have similar problems, which seriously affects the normal operation and decision-making of the robot, reduces the work efficiency and accuracy, therefore, there is an urgent need to develop a robot vision equipment capable of effectively suppressing strong light. SUMMARY

[0003] The utility model aims at providing a kind of robot vision equipment of strong light suppression to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of robot vision equipment of strong light suppression, including shell, the shell front end outer wall is equipped with machine vision slot, the machine vision slot inner wall is fixedly installed machine vision camera, the machine vision slot inner wall is installed with filter switching assembly, the filter switching assembly includes arc support frame, the arc support frame is symmetrically equipped with two, the arc support frame inner wall is rotatably connected with shaft, the shaft outer wall is around filter group, the filter group includes ordinary visible light filter, strong light suppression filter and polarized filter.

[0006] In a preferred embodiment of the utility model, a light intensity detection module is fixedly installed below the machine vision camera, a transition strip is connected between each of the adjacent ordinary visible light filter, strong light suppression filter and polarized filter, and the transition strip is used to connect and transition between the ordinary visible light filter, strong light suppression filter and polarized filter.

[0007] In a preferred embodiment of the utility model, the two ends of the transition strip are respectively wound and connected to the outer walls of the two shafts, a protective cover is provided on the outer side of the shaft, and the shaft is located at the center position of the protective cover.

[0008] In an optimal embodiment of the utility model, the protective cover is provided with an opening near the center of the outer wall on the side of the visual camera, the inner wall of the opening is provided with a round corner, the winding filter group is drawn out from the opening, and the top and bottom outer walls of the protective cover are fixedly connected with end cover plates.

[0009] In an optimal embodiment of the utility model, the end cover plate is fixedly connected with the inner wall of the arcuate support frame, the outer wall of the rotating shaft is rotatably connected with the inner wall of the end cover plate, and the top of the shell is provided with a control bin.

[0010] In an optimal embodiment of the utility model, the rotating shaft is rotatably connected with the inner wall of the control bin, a servo motor is installed on the inner wall of the control bin, and the outer wall of the output shaft of the servo motor is fixedly connected with the outer wall of the rotating shaft.

[0011] In an optimal embodiment of the utility model, the inner wall of the control bin is fixedly installed with a storage battery and a circuit board, and the storage battery and the circuit board are electrically connected.

[0012] In an optimal embodiment of the utility model, the outer wall of the shell is fixedly installed with a charging port, the charging port is electrically connected with the storage battery, and the top outer wall of the control bin is fixedly installed with a top cover.

[0013] In an optimal embodiment of the utility model, the back of the shell is fixedly installed with a support rod, and the support rod is fixedly connected with the robot through a flange.

[0014] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model.

[0015] 1. By setting the filter switching assembly, the light intensity detection module is detected according to the light intensity of the environment, the rotating shaft is controlled to rotate through the servo motor, the light filter group is wound, the visible light filter, the strong light suppression filter and the polarization filter are switched, the light radiated to the machine vision camera is filtered, and the influence of the environmental light on the machine vision camera is eliminated or reduced.

[0016] 2. By setting the protective cover for the rotating shaft and visible light filter, strong light suppression filter and polarizing filter in the winding play a protective role, the left and right symmetrical openings are opened in the inner wall of the protective cover, so that the visible light filter, strong light suppression filter, polarizing filter and transition strip pass through the opening, so that the visible light filter, strong light suppression filter and polarizing filter can keep left and right horizontal under the limiting action of the inner wall of the opening after unfolding, thereby avoiding the left and right bias of the visible light filter, strong light suppression filter and polarizing filter causing the light refraction to be inclined, and improving the stability of the machine vision camera work. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings in which:

[0018] Figure 1 It is a kind of main view structure schematic diagram of robot vision equipment of strong light suppression;

[0019] Figure 2 It is a kind of side view structure schematic diagram of robot vision equipment of strong light suppression;

[0020] Figure 3 It is a kind of control bin structure schematic diagram of robot vision equipment of strong light suppression;

[0021] Figure 4 It is a kind of filter switching assembly structure schematic diagram of robot vision equipment of strong light suppression;

[0022] Figure 5 It is a kind of filter mounting structure schematic diagram of robot vision equipment of strong light suppression;

[0023] Figure 6 It is a kind of outer protection cylinder structure schematic diagram of robot vision equipment of strong light suppression.

[0024] In the drawing: shell 100, support rod 110, machine vision slot 120, machine vision camera 130, light intensity detection module 140, control bin 150, top cover 160, charging port 170, arc-shaped support frame 200, rotating shaft 210, visible ordinary visible light filter 220, strong light suppression filter 230 and polarizing filter 240, transition strip 250, protective cover 260, opening 261, end cover plate 262, servo motor 270, battery 280, circuit board 290. DETAILED DESCRIPTION

[0025] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0026] Embodiment 1: as Figures 1-4 , comprising a shell 100, the front end of the shell 100 outer wall is provided with a machine vision slot 120, the inner wall of the machine vision slot 120 is fixedly installed with a machine vision camera 130, the inner wall of the machine vision slot 120 is installed with a filter switching assembly, the filter switching assembly comprises an arc-shaped support frame 200, the arc-shaped support frame 200 is symmetrically provided with two, the inner wall of the arc-shaped support frame 200 is rotatably connected with a rotating shaft 210, the outer wall of the rotating shaft 210 is wound with a filter group, the filter group comprises an ordinary visible light filter 220, a strong light suppression filter 230 and a polarization filter 240.

[0027] The specific use scene of this embodiment is: by setting the filter switching assembly, the ordinary visible light filter 220, the strong light suppression filter 230 and the polarization filter 240 are switched by rotating the rotating shaft 210 to wind the filter group, so as to filter the light irradiated to the machine vision camera 130, thereby eliminating or reducing the influence of the ambient light on the machine vision camera 130.

[0028] Embodiment 2: as Figures 3-5 , the light intensity detection module 140 is fixedly installed below the machine vision camera 130, the transition strip 250 is connected between the adjacent ordinary visible light filter 220, the strong light suppression filter 230 and the polarization filter 240, the transition strip 250 is used for connecting and transitioning between the ordinary visible light filter 220, the strong light suppression filter 230 and the polarization filter 240, the two ends of the transition strip 250 are wound and connected on the outer wall of the two rotating shafts 210, the protective cover 260 is arranged on the outer side of the rotating shaft 210, the rotating shaft 210 is located at the center position of the protective cover 260, the opening 261 is formed in the outer wall of the side close to the vision camera 130 of the protective cover 260, the inner wall of the opening 261 is provided with a round corner, the wound filter group passes out from the opening 261, the top and bottom outer walls of the protective cover 260 are fixedly connected with the end cover plate 262,

[0029] The specific use scenario of this embodiment is that: by setting the ordinary visible light filter 220, the strong light suppression filter 230 and the polarization filter 240 for cooperation, the influence of the light intensity in the environment on the machine vision camera 130 can be conveniently selected according to the corresponding filter, the ambient light is filtered, and the influence of the ambient light on the visual identification of the machine vision camera 130 is reduced.

[0030] Embodiment 3: as Figure 1 and Figure 2 The cover plate 262 is fixedly connected with the inner wall of the arc-shaped support frame 200, the outer wall of the rotating shaft 210 is rotationally connected with the inner wall of the end cover plate 262, the top of the shell 100 is provided with a control bin 150, the top outer wall of the rotating shaft 210 extends to the inside of the control bin 150, the rotating shaft 210 is rotationally connected with the inner wall of the control bin 150, the inner wall of the control bin 150 is provided with a servo motor 270, the output shaft of the servo motor 270 is fixedly connected with the outer wall of the rotating shaft 210, the inner wall of the control bin 150 is fixedly provided with a battery 280 and a circuit board 290, the battery 280 and the circuit board 290 are electrically connected, the outer wall of the shell 100 is fixedly provided with a charging port 170, the charging port 170 is electrically connected with the battery 280, and the top outer wall of the control bin 150 is fixedly provided with a top cover 160.

[0031] The specific use scenario of this embodiment is that: by setting the rotating shaft 210 for winding the filter group, by setting the charging port 170 for charging the battery 280, by setting the battery 280 for supplying power to the servo motor 270 and the circuit board 290, the electronic components for controlling the servo motor 270 and the light intensity detection module 140 are installed on the circuit board 290, the light intensity detection module 140 is a TEMT6000, which is an ambient light sensor module, which can be used to detect the light intensity change of the surrounding environment, has high sensitivity and stability, and can quickly respond to the change of light intensity, the circuit board 290 includes general standard parts or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through conventional experimental methods.

[0032] Embodiment 4: as Figure 1 and Figure 2 The back of the shell 100 is fixedly provided with a support rod 110, and the support rod 110 is fixedly connected with the robot through a flange.

[0033] The specific use scenario of this embodiment is that: by setting the support rod 110 and the flange for cooperation, the shell 100 and the robot are conveniently connected, and the air intake vision equipment is conveniently controlled by the mechanical arm to work.

[0034] The working principle of the utility model discloses is: the technical personnel in the field uses, through the light intensity detection module 140 to the light intensity of machine vision camera 130 work when monitoring, in the detection result is in normal visible range, through the opening corresponding servo motor 270 drive shaft 210 rotates, with visible ordinary visible light filter 220 release to the front of machine vision camera 130, make machine vision camera 130 can use under normal illumination, when the light intensity detection module 140 detects strong light, through the opening servo motor 270 drive shaft 210 rotates, with strong light suppression filter 230 adjustment release to the front of machine vision camera 130, thereby to the strong light play the role of filtering weakening, thereby avoid strong light to machine vision camera 130's visible effect causes the influence, according to the change of ambient light intensity, with visible ordinary visible light filter 220, strong light suppression filter 230, and polarization filter 240 carry out flexible adjustment.

[0035] Although the embodiments of the utility model have been shown and described, those ordinarily skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A robot vision device for suppressing strong light, comprising a shell (100), a machine vision slot (120) is formed in the front outer wall of the shell (100), and a machine vision camera (130) is fixedly installed on the inner wall of the machine vision slot (120), characterized in that, The inner wall of the machine vision slot (120) is provided with a filter switching assembly, the filter switching assembly comprises two arc-shaped support frames (200) which are symmetrically arranged left and right, the inner wall of the arc-shaped support frame (200) is rotationally connected with a rotating shaft (210), the outer wall of the rotating shaft (210) is wound with a filter group, and the filter group comprises a general visible light filter (220), a strong light suppression filter (230) and a polarization filter (240).

2. The robot vision apparatus of claim 1, wherein, A light intensity detection module (140) is fixedly installed below the machine vision camera (130), and a transition strip (250) is connected between the general visible light filter (220), the strong light suppression filter (230) and the polarization filter (240) in sequence.

3. The robot vision apparatus of claim 2, wherein, The two ends of the transition strip (250) are wound and connected to the outer walls of the two rotating shafts (210), respectively, a protective cover (260) is arranged on the outer side of the rotating shaft (210), and the rotating shaft (210) is located at the center position of the protective cover (260).

4. The robot vision apparatus of claim 3, wherein An opening (261) is formed in the outer wall of the protective cover (260) near the machine vision camera (130), a fillet is arranged on the inner wall of the opening (261), the wound filter group passes out from the opening (261), and end cover plates (262) are fixedly connected to the top and bottom outer walls of the protective cover (260).

5. The robot vision apparatus of claim 4, wherein, The end cover plates (262) are fixedly connected to the inner walls of the arc-shaped support frames (200), the outer wall of the rotating shaft (210) is rotationally connected to the inner wall of the end cover plate (262), a control cavity (150) is formed in the top of the shell (100), and the top outer wall of the rotating shaft (210) extends into the control cavity (150).

6. The robot vision apparatus of claim 5, wherein, The rotating shaft (210) is rotationally connected to the inner wall of the control cavity (150), a servo motor (270) is mounted on the inner wall of the control cavity (150), and the output shaft of the servo motor (270) is fixedly connected to the outer wall of the rotating shaft (210).

7. The robot vision apparatus of claim 6, wherein, The inner wall of the control cavity (150) is fixedly provided with a battery (280) and a circuit board (290), and the battery (280) and the circuit board (290) are electrically connected.

8. The robot vision apparatus of claim 7, wherein, A charging port (170) is fixedly arranged on the outer wall of the shell (100), the charging port (170) is electrically connected with the battery (280), and a top cover (160) is fixedly arranged on the top outer wall of the control cavity (150).

9. The robot vision apparatus of claim 1, wherein, The back of the shell (100) is fixedly provided with a support rod (110), and the support rod (110) is fixedly connected with a robot through a flange.