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CN-224205158-U - Image acquisition device

CN224205158UCN 224205158 UCN224205158 UCN 224205158UCN-224205158-U

Abstract

The utility model discloses an image acquisition device, which is characterized in that an image acquisition terminal is positioned to a first position corresponding to a first window in a first state, the axis of a lens of the image acquisition terminal is coincident with the optical path of the first window, the image acquisition terminal is positioned to a second position corresponding to a second window in a second state, the axis of the lens of the image acquisition terminal is coincident with the optical path of the second window, and the image acquisition terminal is switched between the first position and the second position through physical displacement. The image acquisition terminal is switched to the corresponding window position through physical displacement such as rotation or translation, the axis of the lens always coincides with the light path of the selected window, flexible adaptation of a scene can be realized, a plurality of devices are not required to be deployed, data consistency can be realized, images with different angles are acquired by the same terminal, calibration errors among the plurality of devices are eliminated, and the reliability of score analysis is improved.

Inventors

  • Si Liudong

Assignees

  • 安徽一视科技有限公司

Dates

Publication Date
20260505
Application Date
20250421

Claims (8)

  1. 1. An image acquisition device, comprising: A housing (1) having a first window (11) and a second window (12) forming a predetermined angle on the surface thereof; An image acquisition terminal (2) movably mounted inside the housing (1) and configured to: in a first state, the image acquisition terminal (2) is positioned to a first position corresponding to the first window (11), and the lens axis of the image acquisition terminal is coincident with the optical path of the first window (11); In a second state, the image acquisition terminal (2) is positioned to a second position corresponding to the second window (12), the lens axis of the image acquisition terminal is coincident with the optical path of the second window (12), and the image acquisition terminal (2) is switched between the first position and the second position through physical displacement.
  2. 2. An image acquisition device according to claim 1, characterized in that the angle α between the planes of the first window (11) and the second window (12) is 45 ° - α -120 °, and that the two windows are arranged at equal heights on the surface of the housing (1).
  3. 3. The image acquisition device according to claim 1, characterized in that a fixed supporting structure (3) is arranged in the shell (1), the image acquisition terminal (2) is rotatably arranged on the fixed supporting structure (3) through a rotary connecting mechanism (4), and the extending direction of the fixed supporting structure (3) is perpendicular to the planes of the first window (11) and the second window (12).
  4. 4. An image acquisition device according to claim 3, characterized in that the rotary connection mechanism (4) comprises at least one arc-shaped guide groove (41, 42) arranged on the image acquisition terminal (2) and a guide post (31, 32) arranged on the fixed support structure (3), the guide post (31, 32) is slidably matched in the arc-shaped guide groove (41, 42), the axis of the guide post (31, 32) is parallel to the rotation axis of the image acquisition terminal (2), and the central axis of the arc-shaped guide groove (41, 42) coincides with the rotation axis of the image acquisition terminal (2).
  5. 5. An image acquisition arrangement according to claim 4, characterized in that the image acquisition terminal (2) is locked in the first or second position when the image acquisition terminal (2) is rotated until the guide posts (31, 32) are in contact with the ends of the arcuate guide slots (41, 42).
  6. 6. The image acquisition device according to claim 4, characterized in that the arc range of the arc-shaped guide grooves (41, 42) is matched with the switching angle of the first window (11) to the second window (12), and that damping structures are arranged between the guide posts (31, 32) and the arc-shaped guide grooves (41, 42) to provide positioning resistance.
  7. 7. An image acquisition device according to claim 1, characterized in that an optical correction assembly corresponding to the first window (11) and the second window (12) is arranged in the housing (1) for compensating the deviation of the optical path caused by the switching of the windows.
  8. 8. The image acquisition device according to claim 1, characterized in that the image acquisition terminal (2) is detachably connected with the housing (1) by a snap or magnetic structure, and the displacement switching thereof is realized by manual operation or electric driving.

Description

Image acquisition device Technical Field The utility model relates to the field of image recognition hardware, in particular to an image acquisition device. Background In a sports training or racing scenario, the direction of movement (clockwise or counterclockwise) of a playground runner may change due to training requirements or racetrack rules. The traditional image acquisition equipment (such as a fixed camera) can only cover a single visual angle, so that the following problems are caused, the coverage range is insufficient, the single camera cannot capture the complete actions of runners in different directions at the same time, a plurality of equipment needs to be deployed, the cost and the maintenance difficulty are increased, the switching efficiency is low, the time and effort for manually adjusting the angle of the camera are low, the real-time data acquisition requirement is difficult to meet, the image consistency is poor, the analysis errors are caused by the angle difference of images acquired by different equipment, the accuracy of performance judgment is influenced, and improvement is needed. Disclosure of utility model In order to solve the technical problems in the background art, the utility model provides an image acquisition device, comprising: The surface of the shell is provided with a first window and a second window which form a preset included angle; an image acquisition terminal movably mounted inside the housing and configured to: In a first state, the image acquisition terminal is positioned to a first position corresponding to the first window, and the lens axis of the image acquisition terminal coincides with the optical path of the first window; In the second state, the image acquisition terminal is positioned to a second position corresponding to the second window, the lens axis of the image acquisition terminal coincides with the optical path of the second window, and the image acquisition terminal is switched between the first position and the second position through physical displacement. Further, an included angle alpha between planes of the first window and the second window is more than or equal to 45 degrees and less than or equal to 120 degrees, and the two windows are arranged at the same height on the surface of the shell. Further, a fixed supporting structure is arranged in the shell, the image acquisition terminal is rotatably arranged on the fixed supporting structure through a rotary connecting mechanism, and the extending direction of the fixed supporting structure is perpendicular to the plane where the first window and the second window are located. Further, the rotary connection mechanism comprises at least one arc-shaped guide groove arranged on the image acquisition terminal and a guide column arranged on the fixed supporting structure, the guide column is slidably matched in the arc-shaped guide groove, the axis of the guide column is parallel to the rotation axis of the image acquisition terminal, and the central axis of the arc-shaped guide groove coincides with the rotation axis of the image acquisition terminal. Further, when the image capturing terminal is rotated until the guide post contacts the end of the arc-shaped guide groove, the image capturing terminal is locked in the first position or the second position. Further, the radian range of the arc-shaped guide groove is matched with the switching angle from the first window to the second window, and a damping structure is arranged between the guide and the arc-shaped guide groove to provide positioning resistance. Further, an optical correction assembly corresponding to the first window and the second window is arranged in the shell and used for compensating light path deviation caused by window switching. Further, the image acquisition terminal is detachably connected with the shell through a buckle or a magnetic attraction structure, and displacement switching of the image acquisition terminal is realized through manual operation or electric driving. According to the image acquisition device provided by the utility model, the two windows distributed at an included angle are arranged on the surface of the shell, the image acquisition terminal is switched to the corresponding window position through physical displacement such as rotation or translation, the axis of the lens is always coincident with the light path of the selected window, flexible adaptation of a scene can be realized, different movement directions of a runner clockwise and anticlockwise are covered by switching the view angle through single equipment, multiple equipment deployment is not needed, data consistency can be realized, images at different angles are acquired by the same terminal, calibration errors among multiple equipment are eliminated, and the reliability of score analysis is improved. Drawings Fig. 1 is a schematic diagram of an overall structure of an image acquisition device according to the present utility mod