• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a cable detection device comprising at least one cable support; and a vision system comprising: a camera device (32) rotatable about an axis parallel to an axial direction of a cable (7) to be detected to capture an image of the detected cable, and an optical element (33) that configures is to be rotated synchronously with the camera device (32) in order to record the image of the detected cable and to transmit the recorded image to the camera device (32) by changing an optical path by reflection or refraction. The cable detection device can realize the detection of the cable, especially the on-line detection of the long cable. The cable detection device can be installed in a limited space in the cable feed system because a required space for rotating the camera device and the optical element is small and can be easily integrated with different types of cable feed systems.
    公开号:CH715642A2
    申请号:CH01490/19
    申请日:2019-11-25
    公开日:2020-06-15
    发明作者:Liu Hongtao；Zhang Dandan；Francisco-Yi Roberto；Yang An；Hu Lvhai；He Yuting
    申请人:Tyco Electronics Shanghai Co；Te Connectivity Corp；Kunshan League Automechanism Co Ltd；
    IPC主号:
    专利说明:

    Field of the Invention
    At least one embodiment of the present disclosure relates to a cable detection device, and in particular to a cable detection device that is adapted to detect whether there is a defect on a surface of a cable.
    Description of the related art
    It is often necessary to ensure that there is no defect on a surface of a cable before the cable is assembled with a connector as the defect that includes splintered braiding or foil, exposed copper wire, etc. that occurs during cable processing occurs. These defects can occur arbitrarily on the outer surface of the cable, and therefore the outer surface must be detected to ensure that there is no effect on it. In the prior art, the cable is usually placed on a rotating platform, and then the cable on the rotating platform is detected by a fixed camera device; however, this method is only suitable for off-line detection of the cable with a short length, and it is difficult to implement on-line detection for the cable with a long length. Furthermore, when the camera device is rotated, a larger space is required and the space of the ordinary cable feeding system is limited, making it very difficult to rotate the camera device in the ordinary cable feeding system.
    SUMMARY
    The present disclosure has been made to overcome or alleviate at least one aspect of the aforementioned drawbacks and defects.
    According to an exemplary embodiment of the present disclosure, there is provided a cable detection device comprising:<tb> <SEP> at least one cable support; and<tb> <SEP> a vision system comprising:<tb><SEP> <SEP> a camera device which is rotatable about an axis parallel to an axial direction of a cable to be detected in order to capture an image of the detected cable, and<tb><SEP> <SEP>, an optical element configured to be rotated in synchronism with the camera device to take the image of the detected cable and the captured image to the camera device by changing an optical path by reflection or refraction to transfer.
    According to an embodiment of the present disclosure, the vision system further comprises a back light plate configured to be rotated in synchronism with the camera device, and the back light plate and the optical element are located on opposite sides of the detected cable, respectively.
    According to an embodiment of the present disclosure, the cable detection device further comprises a mounting frame, the vision system further comprises a substrate on which the camera device, the optical element and the backlight plate are mounted, and the substrate is rotatably connected to the mounting frame around the camera device to drive the optical element and the back light plate to rotate synchronously around the axis parallel to the axial direction of the detected cable.
    According to an embodiment of the present disclosure, the cable detection device further comprises a first drive device configured to drive the substrate to rotate about the axis parallel to the axial direction of the detected cable.
    [0008] According to an embodiment of the present disclosure, the first drive device comprises:<tb> <SEP> a gear mechanism mounted on the mounting frame and including a first driven wheel connected to the substrate and a first drive wheel adapted to drive the first driven wheel; and<tb> <SEP> a first servo motor configured to drive the first drive wheel to rotate.
    According to an embodiment of the present disclosure, the vision system further comprises a rotatable connecting element through which the substrate is connected to the first driven wheel.
    According to an embodiment of the present disclosure, the vision system further comprises an L-shaped support, the L-shaped support having a horizontal section which is connected to a side of the substrate opposite the side on which the camera device is mounted, and has a vertical portion connected to the rotatable connector.
    [0011] According to an embodiment of the present disclosure, the cable detection device further comprises:<tb> <SEP> a linear movement platform on which the mounting frame is reciprocally movable in a direction perpendicular to the axial direction of the detected cable; and<tb> <SEP> a second drive device configured to drive the mounting frame to move on the linear motion platform.
    According to an embodiment of the present disclosure, a plurality of the cable supports are distributed at intervals along a direction parallel to a moving direction of the mounting frame.
    According to an embodiment of the present disclosure, the vision system is rotatable within a range from 0 ° to 180 °.
    According to one embodiment of the present disclosure, the optical element is a right-angled prism.
    [0015] According to an embodiment of the present disclosure, the camera device comprises a camera and a microscope lens which is mounted on the camera.
    [0016] According to one embodiment of the present disclosure, the cable support includes:<tb> <SEP> a support body; and<tb> <SEP> a gripper, which is provided at an upper end of the support body and is adapted to grip the detected cable.
    According to an embodiment of the present disclosure, the gripper is a pneumatic gripper.
    According to an embodiment of the present disclosure, a fixing portion is provided at a lower end of the cable support and is configured to fix the cable support.
    According to an embodiment of the present disclosure, a height of the support body is adjustable.
    According to an embodiment of the present disclosure, the cable detection device includes a data processing system configured to process the image captured by the vision system to determine whether there is a defect in the detected cable.
    According to an embodiment of the present disclosure, the cable detection device further comprises an alarm system coupled to the data processing system and configured to issue an alarm when it is determined that there is a defect in the detected cable.
    The cable detection device described in accordance with embodiments of the present disclosure can realize the detection of the cable, specifically, the on-line detection of the long cable by providing an optical element that is configured to rotate in synchronism with the camera device to take the image of the detected cable and change an optical path by reflection or refraction to transmit the image to the camera device. The cable detection device can be installed in a limited space in the cable feed system since a required space for rotating the camera device and the optical element is small, and the cable detection device can be easily integrated with different types of the cable feed system.
    BRIEF DESCRIPTION OF THE DRAWINGS
    [0023] The present disclosure will be described in detail with reference to the accompanying drawings, in which:<tb> Fig. 1 <SEP> is a schematic side view illustrating a cable detection device according to an exemplary embodiment of the present disclosure;<tb> Fig. 2 <SEP> is a schematic perspective view illustrating a cable detection device according to an exemplary embodiment of the present disclosure; and<tb> Fig. 3 <SEP> is an operational principle diagram illustrating a cable detection device according to the present disclosure.
    DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS
    [0024] Technical solutions of the present disclosure will be further described in detail in combination with exemplary embodiments with reference to the attached drawings. In the description, the same or similar reference numerals refer to the same or similar elements. The following description of exemplary embodiments of the present disclosure, made with reference to the accompanying drawings, is intended to illustrate the general inventive concepts of the present disclosure and should not be interpreted to be limiting to the present disclosure.
    In addition, numerous specific details are set forth in the following detailed description for purposes of illustration to provide a thorough understanding of the disclosed embodiments. However, it will be appreciated that one or more embodiments can be practiced without these specific details. On other occasions, well-known structures and facilities are shown schematically to simplify the drawing.
    According to a general technical concept of the present disclosure, there is provided a cable detection device, comprising at least one cable support and a vision system, comprising: a camera device which is rotatable about an axis parallel to an axial direction of a cable to be detected in order to obtain an image of the cable to detect the detected cable, and an optical element configured to be rotated synchronously with the camera device to take the image of the detected cable and to change an optical path by reflection or refraction to transmit the recorded image to the camera device.
    1 is a schematic side view illustrating a cable detection device according to an exemplary embodiment of the present disclosure; 2 is a schematic perspective view illustrating a cable detection device according to an exemplary embodiment of the present disclosure; and FIG. 3 is an operational principle diagram illustrating a cable detection device according to the present disclosure.
    As shown in Figures 1 and 2, the cable detection device according to an exemplary embodiment of the present disclosure comprises at least one cable support 2, wherein each cable support 2 is adapted to support a cable 7 to be detected, for example in a radial direction of the detected cable 7 ; and a vision system 3, comprising a camera device 32, which is rotatable about an axis parallel to an axial direction of the detected cable 7, in order to capture an image of the detected cable 7. The vision system 3 further comprises an optical element 33 which is configured to be rotated synchronously with the camera device 32 in order to record the image of the detected cable 7 and to transmit the recorded image to the camera device 32 by changing an optical path by reflection. It should be noted that those skilled in the art should understand that, in other embodiments of the present disclosure, the optical element 33 can change the optical path by refraction to transmit the captured image of the detected cable 7 to the camera device 32.
    In an exemplary embodiment, as shown in Fig. 2, the vision system 3 further comprises a back light plate 34, which is configured to be rotated synchronously with the camera device 32, and the back light plate 34 and the optical element 33 are each on opposite sides Located sides of the detected cable 7.
    As shown in Fig. 1, the cable detection device further includes a mounting frame 1, and the vision system 3 further includes a substrate 31. The camera device 32 is mounted on the substrate 31 by a camera base, for example, and the optical element 33 is on The substrate 31 is mounted, for example, by an optical element base that spans the substrate 31 and protrudes from the mounting frame 1 from one end of the substrate 31. The back light plate 34 is connected to the substrate 31 by two vertical connecting elements 35. The substrate 31 is rotatably connected to the mounting frame 1 in order to drive the camera device 32, the optical element 33 and the backlight plate 34 in order to rotate synchronously about the axis parallel to the axial direction of the detected cable 7.
    In an exemplary embodiment, as shown in Figures 1 and 2, the cable detection device further comprises a first drive device 4, which is configured to drive the vision system 3 to rotate about the axis parallel to the axial direction of the detected cable 7. The first drive device 4 may be configured to continuously or intermittently drive the vision system 3 to rotate around the axis parallel to the axial direction of the detected cable 7, depending on practical circumstances.
    In an exemplary embodiment, as shown in FIGS. 1 and 2, the first drive device 4 comprises a gear mechanism and a first servo motor 41, the gear mechanism is mounted on the mounting frame 1 and comprises a first driven wheel 42 that is connected to the substrate 31 is connected, and a first drive wheel 43 adapted to drive the first driven wheel 42, and the first servo motor 41 is configured to drive the drive wheel 43 to rotate to drive the substrate 31 to drive over the first one To rotate wheel 42, wherein the vision system 3 is driven to rotate.
    In an exemplary embodiment, as shown in FIG. 2, the vision system 3 further comprises a rotatable connecting element 36, through which the substrate 31 is connected to the first driven wheel 42. This facilitates the connection of the substrate 31 to the first driven wheel 42.
    In an exemplary embodiment, as shown in Fig. 2, the vision system 3 further comprises an L-shaped support 37, and the L-shaped support 37 comprises a horizontal section which is with one side of the substrate 32 opposite the side, on which the camera device 32 is mounted, and a vertical section that is connected to the rotatable connecting element 36, thereby ensuring reliable connection between the substrate 31 and the rotatable connecting element 36.
    In an exemplary embodiment, as shown in FIGS. 1 and 2, the cable detection device further comprises a linear movement platform 5, on which the mounting frame 1 can be reciprocally moved in one direction (in particular a horizontal direction) perpendicular to the axial direction of the detected cable 7 is. The mounting frame 1 includes a vertical portion 11 and a horizontal portion 12 connected to the vertical portion 11, the linear motion platform 5 includes a base 51 and a guide rail 52 located on the base 51, and the horizontal portion 12 of the mounting frame 1 is connected to the guide rail 52 of the linear motion platform 5 in a sliding manner. The cable detection device further comprises a second drive device 6, which is configured to drive the mounting frame 1 in order to move on the linear movement platform 5. In this way, the mounting frame 1 can be driven by the second drive device 6 to move on the linear movement platform 5 to adjust a position of the camera device 32 so that the image of the detected cable 7 is located in the center of the entire captured image.
    In one embodiment, the second drive device 6 comprises a second driven wheel 63 that is rotatably connected to the linear movement platform 5, a second drive wheel 62 that is adapted to drive the second driven wheel 63, and a second servo motor 61 that configures is to drive the second drive wheel 62 to rotate so that the mounting frame 1 is driven by the second driven wheel 63 and, for example, by a ball screw connected to the second driven wheel 63, to reciprocally on the linear motion platform 5 move. However, it should be noted that those skilled in the art should understand that in other embodiments of the present disclosure, the second drive device 6 may also be, for example, a linear actuator or the like.
    In an exemplary embodiment, as shown in Fig. 2, a plurality of cable supports 2 are spaced, for example, equally spaced along a direction parallel to a direction of movement of the mounting frame 1. Since the mounting frame 1 is reciprocally on the linear motion platform 5 in the In the direction perpendicular to the axial direction of the detected cable 7, the detected cables 7 can be detected on the plurality of cable supports 2 by a vision system 3, the work efficiency being further improved.
    In an exemplary embodiment, as shown in Figures 1 to 3, the vision system 3, since both sides of the detected cable 7 can be seen in an image that is captured by the camera device 32, the detection of the entire peripheral surface of the Complete detected cable 7 only by rotating within a range from 0 ° to 180 °, thereby improving work efficiency. However, it should be noted that those skilled in the art should understand that in other embodiments of the present disclosure, vision system 3 may be rotated within other ranges, for example, a range from 0 ° to 200 ° or a range from 0 ° to 360 ° .
    In an exemplary embodiment, as shown in Figures 1 and 2, the optical element 33 is a right-angled prism (specifically, a reflection angle is 90 °), which can change the optical path by 90 ° reflection to the captured image of the to transmit detected cable to the camera device. It should be noted that those skilled in the art should understand that in other embodiments of the present disclosure, optical element 33 may be a device that may have other reflection or angles of reflection, such as 45 ° or 60 °.
    In an exemplary embodiment, as shown in FIG. 2, the camera device 32 comprises a camera and a microscope lens which is mounted on the camera in order to improve the image effects.
    In an exemplary embodiment, as shown in Fig. 2, the cable support 2 comprises a support body 21 and a gripper 22, which is provided at an upper end of the support body 21 and is adapted to grip the detected cable 7 to ensure that the detected cable 7 is reliably attached during the detection process.
    In an exemplary embodiment, as shown in Fig. 2, the gripper 22 is a pneumatic gripper to achieve automatic gripping of the detected cable 7, whereby the work efficiency is improved.
    In an exemplary embodiment, as shown in FIG. 2, a fastening section 23, which is adapted to fasten the cable support 2, is provided at a lower end of the cable support 2. In this way, the cable support 2 can be fastened to the work table by the fastening section 23.
    In an exemplary embodiment, as shown in Fig. 2, a height of the support body 21 is adjustable so that the height of the detected cable 7 can be adjusted according to a focal length of the camera device 32, the image being made clearer.
    In an exemplary embodiment, as shown in FIG. 1, the cable detection device further comprises a data processing system configured to process the image captured by the vision system 3 to determine whether there is a defect in the detected cable 7 . In addition, the cable detection device comprises an alarm system, which is coupled to the data processing system and is configured to output an alarm when it is determined that there is a defect in the detected cable 7.
    The cable detection device of the present disclosure described in the above embodiments can realize the detection of the cable, especially the on-line detection of the long cable by providing an optical element configured to be rotated in synchronism with the camera device (that the optical element and the camera device can therefore be rotated synchronously) in order to record the image of the detected cable and to change an optical path by reflection or refraction in order to transmit the image to the camera device. The cable detection device can be installed in a limited space in the cable feed system because a required space for rotating the camera device and the optical element is small, and the cable detection device can be easily integrated with different types of cable feed systems.
    It will be understood by those skilled in the art that the above-described embodiments are exemplary and that modifications can be made by those skilled in the art and that structures described in the various embodiments can be freely combined in structure or principle without conflict , implementing a wider variety of heat sinks and housing arrangements while accomplishing the technical objectives of the present disclosure.
    Although the preferred embodiments of the present disclosure have been described in detail, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the scope and spirit of the appended claims and the disclosure is not exemplary Embodiments, illustrated in the specification, are limited.
    权利要求:
    Claims (10)
    [1]
    1. What is claimed is:A cable detection device comprising:at least one cable support (2); anda vision system (3) comprising:a camera device (32) which is rotatable about an axis parallel to an axial direction of a cable (7) to be detected in order to capture an image of the detected cable, andan optical element (33) configured to be rotated synchronously with the camera device (32) to capture the image of the detected cable and to transmit the captured image to the camera device (32) by changing an optical path by reflection or refraction .
    [2]
    2. The cable detection device according to claim 1, wherein the vision system (3) further comprises:a back light plate (34) configured to be rotated synchronously with the camera device (32), the back light plate (34) and the optical element (33) being located on opposite sides of the detected cable, respectively.
    [3]
    3. The cable detection device according to claim 2, further comprising a mounting frame (1), wherein the vision system (3) further comprises a substrate (31) on which the camera device (32), the optical element (33) and the backlight plate (34) are mounted and the substrate (31) is rotatably connected to the mounting frame (1) in order to drive the camera device (32), the optical element (33) and the backlight plate (34) in order to be synchronous about the axis parallel to the axial To rotate in the direction of the detected cable.
    [4]
    4. The cable detection device of claim 3, further comprising:a first drive device (4) configured to drive the substrate (31) to rotate about the axis parallel to the axial direction of the detected cable.
    [5]
    5. The cable detection device according to claim 4, wherein the first drive device (4) comprises:a gear mechanism mounted on the mounting frame (1) and comprising a first driven wheel (42) connected to the substrate and a first drive wheel (43) adapted to drive the first driven wheel (42); anda first servo motor (41) configured to drive the first drive wheel (43) to rotate.
    [6]
    6. The cable detection device according to claim 5, wherein the vision system (3) further comprises:a rotatable connecting element (36) through which the substrate (31) is connected to the first driven wheel (42).
    [7]
    7. The cable detection device according to claim 6, wherein the vision system (3) further comprises an L-shaped support (37), the L-shaped support (37) having a horizontal portion that faces one side of the substrate (31) Side on which the camera device (32) is mounted, and has a vertical section which is connected to the rotatable connecting element (36).
    [8]
    8. The cable detection device according to any one of claims 3-7, further comprising:a linear motion platform (5) on which the mounting frame (1) is reciprocally movable in a direction perpendicular to the axial direction of the detected cable; anda second drive device (6) configured to drive the mounting frame (1) to move on the linear motion platform (5).
    [9]
    The cable detection device according to any one of claims 1-8, wherein the cable support (2) comprises:a support body (21); anda gripper (22) provided at an upper end of the support body (21) and adapted to grasp the detected cable;preferably a height of the support body (21) is adjustable.
    [10]
    The cable detection device according to any one of claims 1-9, further comprising a data processing system configured to process the image captured by the vision system (3) to determine whether there is a defect in the detected cable.
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    引用文献:
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    法律状态:
    优先权:
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