Shooting device for face verification

Abstract

The utility model discloses a shooting device for face verification, which comprises a mounting block, an adjustable fixing cylinder arranged on the lower surface of the mounting block, and a swing mechanism, the swing mechanism comprises a rotating rod, a half gear, transmission shafts and a first gear, the rotating rod is rotationally connected to the upper surface of the mounting block, an open groove is formed in the mounting block, the first gear is fixedly connected to the lower end of the outer surface of the rotating rod, and the symmetrically-distributed transmission shafts are rotationally connected into the open groove; the upper ends of the outer surfaces of the transmission shafts are fixedly connected with half gears, and the half gears and the first gears are installed in a matched mode; according to the shooting device for face verification, a swing mechanism is arranged below the camera, so that the shooting range is enlarged, a person to be recognized does not need to be completely aligned with the shooting assembly, the recognition range is larger, and the recognition efficiency and accuracy are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of face recognition, in particular to a shooting device for face verification. Background Art

[0002] Facial recognition technology is a biometric identification technology that uses facial features to identify people. It uses a camera or webcam to capture images or video streams containing faces, automatically detects and tracks faces in the images, and then performs facial recognition on the detected faces. This is usually done using a camera designed for facial verification.

[0003] In the prior art: Patent publication number CN212009594U discloses a high-efficiency face recognition device, including a face recognition device body, the face recognition device body is arranged in a protective box through a moving assembly, the protective box is provided with an opening and closing door, the moving assembly includes a base, a forward and reverse motor, a cylinder, a cross bar, a threaded rod, a guide rod and a connecting member assembly; the base is slidably arranged in the protective box, one side of the base is connected to the telescopic end of the cylinder, the fixed end of the cylinder is fixed in the protective box, the forward and reverse motor is fixed on the base, the lower end of the threaded rod is fixedly connected to the output shaft of the forward and reverse motor, the upper end of the threaded rod is rotatably connected to the center of the cross bar through a bearing, the two ends of the cross bar are respectively fixedly connected to a guide rod, and the lower end of the guide rod is fixedly connected to the base; the face recognition device body is connected to the threaded rod and the guide rod through the connecting member assembly;

[0004] This type of efficient facial recognition device has the following disadvantages: the fixed lateral angle of the facial recognition component results in a small recognition range. Although the height of the facial recognition device body and the longitudinal angle of the facial recognition device can be adjusted, the lateral recognition range of the facial recognition device is fixed, and the person to be identified needs to align the camera component to complete facial verification. To this end, we propose a shooting device for facial verification. Utility Model Content

[0005] The technical problem to be solved by the present invention is to overcome the existing defects and provide a shooting device for face verification. A swing mechanism is provided under the camera to increase the shooting range. It is not necessary to fully align the person to be identified with the camera component. The recognition range is larger, the recognition efficiency and accuracy are increased, and the problems in the background technology can be effectively solved.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a photographing device for face verification, comprising a mounting block, wherein the lower surface of the mounting block is provided with an adjustable fixing cylinder, and further comprising a swing mechanism;

[0007] The swing mechanism includes a rotating rod, a half gear, a transmission shaft, and gear 1. The rotating rod is rotatably connected to the upper surface of the mounting block. The mounting block is provided with a slot. The lower end of the outer surface of the rotating rod is fixedly connected to gear 1. The interior of the slot is rotatably connected to symmetrically distributed transmission shafts. The upper ends of the outer surfaces of the transmission shafts are fixedly connected to half gears, and the half gears are both mounted in conjunction with gear 1.

[0008] Among them: a camera with adjustable tilt angle is provided at the upper end of the rotating rod, the camera is bidirectionally electrically connected to an external single-chip computer, and a swing mechanism is provided below the camera to increase the shooting range. It is not necessary for the person to be identified to be completely aligned with the camera component, the recognition range is larger, and the recognition efficiency and accuracy are increased.

[0009] Furthermore, the swing mechanism also includes gear 2, a worm wheel and a worm. The gear 2 is fixedly connected to the lower end of the outer surface of the transmission shaft. The lower end of the outer surface of the transmission shaft on the right side is fixedly connected to the worm wheel. The two gears 2 are meshed with each other, and the inner rotation of the slot is connected with the worm. The worm and the worm wheel are meshed with each other to transmit driving force.

[0010] Furthermore, a motor 1 is fixedly connected inside the slot, an output shaft of the motor 1 is fixedly connected to the front end of the worm, and an input end of the motor 1 is electrically connected to an output end of an external single-chip microcomputer to provide driving force.

[0011] Furthermore, the upper end of the rotating rod is fixedly connected to a connecting block, the left end of the connecting block is rotatably connected to a rotating seat through a bolt, the rear end of the bolt is threadedly connected to a hexagonal nut, and the left surface of the rotating seat is fixedly connected to the right surface of the camera to adjust the vertical angle of the camera.

[0012] Furthermore, the interior of the fixed tube is slidably connected to a threaded sleeve, the outer surface of the threaded sleeve is fixedly connected to symmetrically distributed limit blocks, the limit blocks are slidably connected to the limit grooves opened on the inner surface of the fixed tube, the internal thread of the threaded sleeve is connected to a threaded rod, and the upper end of the threaded sleeve is fixedly connected to the lower surface of the mounting block to adjust the vertical height of the camera.

[0013] Furthermore, the interior of the fixed cylinder is fixedly connected to a second motor, the output shaft of the second motor is fixedly connected to the lower end of the threaded rod, and the input end of the second motor is electrically connected to the output end of an external single-chip microcomputer to provide driving force.

[0014] Furthermore, the lower surface of the fixed tube is fixedly connected to a support rod, the lower end of the outer surface of the support rod is fixedly connected to evenly distributed brackets, and the lower ends of the brackets are fixedly connected to supporting feet to support the shooting device.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the photographing device for face verification has the following advantages:

[0016] The swing mechanism enables the camera to rotate and swing back and forth, thereby increasing the camera's portrait recognition range. It does not require the person to be identified to be completely aligned with the camera assembly, resulting in a larger recognition range and increased recognition efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model

[0018] Figure 2 This is a cross-sectional structural diagram of the swing mechanism of the utility model

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the fixed cylinder of the utility model.

[0020] In the figure: 1 mounting block, 2 motor 1, 3 connecting block, 4 rotating seat, 5 camera, 6 fixing tube, 7 support rod, 8 bracket, 9 support foot, 10 motor 2, 11 threaded rod, 12 threaded sleeve, 13 limit block, 14 swing mechanism, 141 rotating rod, 142 half gear, 143 transmission shaft, 144 gear 1, 145 gear 2, 146 worm gear, 147 worm, 15 hexagonal nut. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3The present embodiment provides a technical solution: a photographing device for face verification, comprising a mounting block 1, wherein the lower surface of the mounting block 1 is provided with an adjustable fixing cylinder 6, wherein the interior of the fixing cylinder 6 is slidably connected to a threaded sleeve 12, and the outer surface of the threaded sleeve 12 is fixedly connected to symmetrically distributed limit blocks 13, which are slidably connected to the limit grooves provided on the inner surface of the fixing cylinder 6, wherein the interior of the threaded sleeve 12 is threadedly connected to a threaded rod 11, and the upper end of the threaded sleeve 12 is fixedly connected to the lower surface of the mounting block 1, and the interior of the fixing cylinder 6 is fixedly connected to a motor 2 10, and the output shaft of the motor 2 10 is fixed to the threaded sleeve 11. The lower end of the rod 11 is fixedly connected, and the input end of the second motor 10 is electrically connected to the output end of the external single-chip microcomputer. When the height of the camera needs to be adjusted, the external single-chip microcomputer is operated to start the second motor 10. The output shaft of the second motor 10 rotates, driving the threaded rod 11 to rotate, so that the threaded sleeve 12 moves up and down, and the mounting block 1 moves up and down, thereby moving the camera 5 up and down to complete the height adjustment of the camera. The lower surface of the fixed cylinder 6 is fixedly connected to the support rod 7, and the lower end of the outer surface of the support rod 7 is fixedly connected to the evenly distributed brackets 8. The lower ends of the brackets 8 are fixedly connected to the support legs 9, and also include a swing mechanism 14;

[0023] Swing mechanism 14: includes a rotating rod 141, a half gear 142, a transmission shaft 143 and a gear 144. The rotating rod 141 is rotatably connected to the upper surface of the mounting block 1. The interior of the mounting block 1 is provided with a slot. The lower end of the outer surface of the rotating rod 141 is fixedly connected to a gear 144. The interior of the slot is rotatably connected to a symmetrically distributed transmission shaft 143. The upper end of the outer surface of the transmission shaft 143 is fixedly connected to the half gear 142. The half gear 142 is mounted in conjunction with the gear 144. The mechanism 14 also includes a gear 2 145, a worm wheel 146 and a worm 147. The gear 2 145 is fixedly connected to the lower end of the outer surface of the transmission shaft 143. The lower end of the outer surface of the transmission shaft 143 on the right side is fixedly connected to the worm wheel 146. The two gears 2 145 are meshed with each other. The inner part of the slot is rotatably connected to the worm 147. The worm 147 and the worm wheel 146 are meshed with each other. The inner part of the slot is fixedly connected to the motor 12. The output shaft of the motor 12 is fixedly connected to the front end of the worm 147. The input end of the motor 12 is electrically connected to the motor 12. Connect the output end of the external single chip microcomputer, when using a camera for face verification to perform face verification, control the external single chip microcomputer, start the motor 12, the output shaft of the motor 12 rotates, drives the worm 147 to rotate, makes the worm wheel 146 rotate, drives the gear 2 145 to rotate, and makes the two transmission shafts 143 rotate in different directions. When the left half gear 142 is engaged with the gear 1 144, it drives the rotating rod 131 to rotate, makes the connecting block 3 rotate around the rotating rod 131, drives the rotating base 4 to rotate, and makes the camera The head 5 rotates around the rotating rod 131. When the left half of the gear 142 is disengaged from the gear 1 144, the camera 5 stops moving. When the right half of the gear 142 is engaged with the gear 1 144, the gear 1 144 is driven to reverse, causing the camera 5 to reverse around the rotating rod 131. This cycle causes the camera 5 to rotate and swing back and forth, controlling the external microcontroller. The camera 5 is turned on and aimed at the person to be verified. The camera 5 collects the person's image and transmits the data to the external microcontroller to complete the facial verification.

[0024] Among them: the upper end of the rotating rod 141 is fixedly connected to the connecting block 3, the left end of the connecting block 3 is rotatably connected to the rotating base 4 through a bolt, the rear end of the bolt is threadedly connected to the hexagonal nut 15, the left surface of the rotating base 4 is fixedly connected to the right surface of the camera 5, when the angle of the camera 5 needs to be adjusted, loosen the hexagonal nut 15 on the bolt, adjust the angle of the rotating base 4 and then tighten the hexagonal nut 15, with the help of the hexagonal nut 15 and the head of the bolt, the rear end of the camera 5 is squeezed so that the rear end of the camera 5 is fixed to the upper end of the rotating base 4, completing the locking.

[0025] The working principle of a photographing device for face verification provided by the present invention is as follows: when using a photographing device for face verification to perform face verification, the external single chip microcomputer is controlled to start motor 12, the output shaft of motor 12 rotates, driving the worm 147 to rotate, causing the worm wheel 146 to rotate, driving gear 2 145 to rotate, and causing the two transmission shafts 143 to rotate in different directions. When the left half gear 142 is engaged with gear 1 144, the rotating rod 131 is driven to rotate, causing the connecting block 3 to rotate around the rotating rod 131, driving the rotating seat 4 to rotate, and causing the camera 5 to rotate around the rotating rod 131. When the left half gear 142 is disengaged from gear 1 144, the camera 5 stops moving. When the right half gear 142 is engaged with gear 1 144, the gear 1 144 is driven to reverse, causing the camera 5 to rotate around The rotating rod 131 is reversed, and the camera 5 rotates and swings back and forth in this cycle, controlling the external single-chip microcomputer, turning on the camera 5, aiming at the person to be face verified, and the camera 5 collects the portrait and transmits the data to the external single-chip microcomputer to complete the face verification. When it is necessary to adjust the angle of the camera 5, loosen the hexagonal nut 15 on the bolt, adjust the angle of the rotating seat 4, and then tighten the hexagonal nut 15. With the help of the hexagonal nut 15 and the head of the bolt, the rear end of the camera 5 is squeezed so that the rear end of the camera 5 is fixed to the upper end of the rotating seat 4 to complete the locking. When it is necessary to adjust the height of the camera, operate the external single-chip microcomputer, start the motor 2 10, and the output shaft of the motor 2 10 rotates, driving the threaded rod 11 to rotate, so that the threaded sleeve 12 moves up and down, and the mounting block 1 moves up and down, thereby moving the camera 5 up and down, completing the height adjustment of the camera.

[0026] It is worth noting that the camera 5 disclosed in the above embodiment uses the WEC02 Lenovo camera, the motor 1 2 uses the 35BYJ412-B micro stepper motor, the motor 2 10 uses the 24BYJ48 stepper motor, and the external single-chip microcomputer controls the operation of the camera 5, motor 1 2 and motor 2 10 using methods commonly used in the prior art.

[0027] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A photographing device for face verification, comprising a mounting block (1), wherein the lower surface of the mounting block (1) is provided with an adjustable fixing cylinder (6), characterized in that: Also includes a swing mechanism (14); The swing mechanism (14) comprises a rotating rod (141), a half gear (142), a transmission shaft (143) and a gear 1 (144). The rotating rod (141) is rotatably connected to the upper surface of the mounting block (1). The mounting block (1) is provided with a slot inside. The lower end of the outer surface of the rotating rod (141) is fixedly connected to the gear 1 (144). The inner portion of the slot is rotatably connected to the transmission shafts (143) that are symmetrically distributed. The upper ends of the outer surfaces of the transmission shafts (143) are both fixedly connected to the half gear (142). The half gears (142) are both mounted in conjunction with the gear 1 (144). Wherein: a camera (5) with adjustable tilt angle is provided at the upper end of the rotating rod (141), and the camera (5) is bidirectionally electrically connected to an external single chip microcomputer.

2. The camera for face verification according to claim 1, characterized in that: The swing mechanism (14) further comprises a second gear (145), a worm wheel (146) and a worm (147), wherein the second gear (145) is fixedly connected to the lower end of the outer surface of the transmission shaft (143), the lower end of the outer surface of the right transmission shaft (143) is fixedly connected to the worm wheel (146), the two second gears (145) are meshedly connected, the inner portion of the slot is rotatably connected to the worm wheel (147), and the worm wheel (147) is meshedly connected to the worm wheel (146).

3. The camera for face verification according to claim 2, characterized in that: A motor (2) is fixedly connected inside the slot, an output shaft of the motor (2) is fixedly connected to the front end of the worm (147), and an input end of the motor (2) is electrically connected to an output end of an external single chip microcomputer.

4. The camera for face verification according to claim 1, characterized in that: The upper end of the rotating rod (141) is fixedly connected to a connecting block (3), the left end of the connecting block (3) is rotatably connected to a rotating seat (4) via a bolt, the rear end of the bolt is threadedly connected to a hexagonal nut (15), and the left surface of the rotating seat (4) is fixedly connected to the right surface of the camera (5).

5. The camera for face verification according to claim 1, characterized in that: The interior of the fixed cylinder (6) is slidably connected to a threaded sleeve (12), the outer surface of the threaded sleeve (12) is fixedly connected to symmetrically distributed limiting blocks (13), the limiting blocks (13) are slidably connected to limiting grooves provided on the inner surface of the fixed cylinder (6), the interior of the threaded sleeve (12) is threadedly connected to a threaded rod (11), and the upper end of the threaded sleeve (12) is fixedly connected to the lower surface of the mounting block (1).

6. The camera for face verification according to claim 5, characterized in that: The interior of the fixed cylinder (6) is fixedly connected to the second motor (10), the output shaft of the second motor (10) is fixedly connected to the lower end of the threaded rod (11), and the input end of the second motor (10) is electrically connected to the output end of the external single chip microcomputer.

7. The camera for face verification according to claim 1, characterized in that: The lower surface of the fixed cylinder (6) is fixedly connected to a support rod (7), the lower end of the outer surface of the support rod (7) is fixedly connected to evenly distributed brackets (8), and the lower ends of the brackets (8) are fixedly connected to support feet (9).

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