Miniaturized telephoto camera electric holder
By designing the horizontal orientation adjustment part and pitch orientation adjustment part in the electric gimbal of the telephoto camera, using gears and mirrors and other technologies, the problem of difficulty in installing the electric gimbal of the telephoto camera in a narrow space is solved, and a miniaturized design is realized. The radius of motion slewing and space volume are reduced.
Patent Information
- Application Number
- CN202411231049.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-01-03
AI Technical Summary
The telephoto camera electric gimbal is difficult to install in a narrow space, the motion rotation radius is large, and it is difficult to reduce the volume.
A miniaturized telephoto camera electric gimbal was designed, using a horizontal orientation adjustment part and a pitch orientation adjustment part. Vertical rotation is achieved through the inner cylinder, the outer cylinder, the horizontal orientation motor, the gear and the ring gear. The pitch orientation adjustment part adopts the The reflector and folding optical system reduce the space volume of the gimbal.
The motion radius and overall space volume of the telephoto camera electric gimbal are effectively reduced, allowing it to be installed and used in a narrow space.
Smart Images
Figure CN119244888A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of security monitoring, and in particular relates to a miniaturized electric pan / tilt platform for a telephoto camera. Background Art
[0002] The monitoring electric pan / tilt head is a supporting device for installing and fixing the camera. The pan / tilt head can be rotated at will, which is convenient for the user to change the shooting direction of the camera. Ordinary security monitoring electric pan / tilt heads change the horizontal and pitch positions of the pan / tilt head by driving the mechanical parts with two motors. After this type of electric pan / tilt head is loaded with a telephoto camera, the movement radius is large and the volume of the pan / tilt head is large, making it difficult to install and unusable in small spaces such as vehicles. Therefore, in specific application scenarios, it is very important to reduce the volume of the electric pan / tilt head for telephoto cameras and find a miniaturized design method for the electric pan / tilt head for telephoto cameras. Summary of the invention
[0003] In order to solve the above-mentioned problem that when a telephoto camera is used for a pan / tilt head, the movement rotation radius is large and it is difficult to install and use in a narrow space such as a vehicle, the present invention provides a miniaturized telephoto camera electric pan / tilt head.
[0004] The miniaturized electric pan / tilt platform for telephoto cameras of the present invention comprises a horizontal azimuth adjustment part and a pitch azimuth adjustment part; the horizontal azimuth adjustment part comprises an inner cylinder, an outer cylinder, a horizontal azimuth motor, a gear and a gear ring; the lower end of the inner cylinder is closed and the upper end is open, the two ends of the outer cylinder are open, the outer cylinder covers the inner cylinder, the inner cavity of the inner cylinder is used to vertically place the telephoto camera, the horizontal azimuth motor is mounted on the outer wall of the inner cylinder, the gear is mounted on the rotating shaft of the horizontal azimuth motor, the rotating shaft of the horizontal azimuth motor is vertical, the outer peripheral surface of the gear ring is fixed on the inner peripheral wall of the outer cylinder, and the gear is meshed with the gear ring; The pitch-azimuth adjustment part includes a bracket, a pitch-azimuth motor and a reflector. The bracket is installed on the top of the inner tube, the pitch-azimuth motor is installed on the bracket, and the reflector is installed on the rotating shaft of the pitch-azimuth motor. The rotating shaft of the pitch-azimuth motor is horizontal. The reflector spans above the upper port of the inner tube and is used to reflect light to the upper port of the inner tube.
[0005] Furthermore, the lower edge of the outer tube is provided with a second mounting ring protruding outward, so as to facilitate the mounting and fixing of the outer tube.
[0006] Furthermore, the upper edge of the inner tube is provided with a first mounting ring protruding outward, and the bracket is mounted on the upper ring surface of the first mounting ring, so as to facilitate the stable installation of the bracket.
[0007] Furthermore, the bracket includes two opposite vertical plates and a horizontal plate connected to the top of the two vertical plates, the lower ends of the two vertical plates of the bracket are mounted on the upper ring surface of the first mounting ring, the reflector is located between the two vertical plates, the pitch azimuth motor is mounted on the outer surface of one of the vertical plates, and the rotating shaft of the pitch azimuth motor passes through the vertical plate and is fixedly connected to the reflector. In this way, the reflector can work stably.
[0008] Furthermore, a mounting plate is fixed on the reflector, and the rotating shaft of the pitch azimuth motor is fixedly connected to the mounting plate. In this way, the reflector is reliably connected.
[0009] Beneficial effects: The present invention can vertically install the telephoto camera in the inner cylinder of the horizontal azimuth adjustment mechanism, with the lens facing upward and only making axial rotation, thereby greatly reducing the rotation radius of the electric pan / tilt of the telephoto camera during movement; the horizontal azimuth adjustment mechanism adopts a purely mechanical form of a large-aperture hollow rotating platform, and adopts an internal ring gear transmission to reduce the volume of the transmission mechanism; the pitch direction adjustment mechanism adopts an optical method to adjust the pitch camera angle by rotating the reflector in the folded optical system; it can effectively reduce the space volume occupied by the pan / tilt. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural schematic diagram of a miniaturized electric pan / tilt head for a telephoto camera of the present invention; Figure 2 It is a structural schematic diagram of the horizontal azimuth adjustment unit; Figure 3 It is a structural schematic diagram of the pitch azimuth adjustment unit; In the figure, 1. horizontal azimuth adjustment part; 11. inner cylinder; 111. first mounting ring; 12. outer cylinder; 121. second mounting ring; 13. horizontal azimuth motor; 14. gear; 15. gear ring; 2. pitch azimuth adjustment part; 21. bracket; 22. pitch azimuth motor; 23. reflector; 24. mounting plate. DETAILED DESCRIPTION
[0011] The present invention will now be further described in detail by way of embodiments in conjunction with the accompanying drawings, but the present invention is not limited to the embodiments.
[0012] The present invention provides a miniaturized electric pan / tilt platform for a telephoto camera, comprising a horizontal azimuth adjustment unit 1 and a pitch azimuth adjustment unit 2. The horizontal azimuth adjustment unit 1 comprises an inner cylinder 11, an outer cylinder 12, a horizontal azimuth motor 13, a gear 14, a gear ring 15 and a large-aperture bearing (not shown in the figure), the inner cylinder 11 is closed at the lower end and open at the upper end, the outer cylinder 12 is open at both ends, the outer cylinder 12 covers the inner cylinder 11, the bottom of the inner cylinder 11 is fixed to the inner ring of the large-aperture bearing, the bottom of the outer cylinder 12 is fixed to the outer ring of the large-aperture bearing, the inner cavity of the inner cylinder 11 is used to vertically place the telephoto camera, the horizontal azimuth motor 13 is mounted on the outer wall of the inner cylinder 11, the gear 14 is mounted on the rotating shaft of the horizontal azimuth motor 13, the rotating shaft of the horizontal azimuth motor 13 is vertical, the outer circumferential surface of the gear ring 15 is fixed to the inner circumferential wall of the outer cylinder 12, and the gear 14 is meshed with the gear ring 15.
[0013] Specifically, the lower edge of the outer cylinder 12 is provided with a second mounting ring 121 protruding outward for mounting on external equipment. The outer cylinder 12 and the second mounting ring 121 are integrally processed parts, and a mounting hole can be provided on the second mounting ring 121. The upper edge of the inner cylinder 11 is provided with a first mounting ring 111 protruding outward, and the inner cylinder 11 and the first mounting ring 111 are integrally processed parts.
[0014] The pitch azimuth adjustment unit 2 includes a bracket 21, a pitch azimuth motor 22 and a reflector 23. The bracket 21 is installed on the top of the inner tube 11, the pitch azimuth motor 22 is installed on the bracket 21, and the reflector 23 is installed on the rotating shaft of the pitch azimuth motor 22. The rotating shaft of the pitch azimuth motor 22 is horizontal. The reflector 23 spans above the upper port of the inner tube 11 to reflect light to the upper port of the inner tube 11.
[0015] Specifically, the bracket 21 includes two opposite vertical plates and a horizontal plate connected to the top of the two vertical plates. The lower ends of the two vertical plates of the bracket 21 are installed (for example, welded) on the upper ring surface of the first mounting ring 111, that is, the bracket 21 will rotate with the inner cylinder 11. The reflector 23 is located between the two vertical plates. The pitch azimuth motor 22 is installed on the outer surface of one of the vertical plates. The rotating shaft of the pitch azimuth motor passes through the vertical plate. A mounting plate 24 is fixed on the reflector 23. The rotating shaft of the pitch azimuth motor 22 is fixedly connected to the mounting plate 24, for example, by a coupling.
[0016] In actual use, the telephoto camera is placed and fixed in the inner cavity of the inner cylinder 11 so that it can rotate with the inner cylinder 11, the lens is exposed from the upper port of the inner cylinder 11, and the outer cylinder 12 is installed and fixed. When the horizontal azimuth motor 13 rotates, the inner cylinder 11 is driven to rotate through the gear 14 and the gear ring 15. When the inner cylinder 11 rotates, the horizontal azimuth angle of the telephoto camera can be changed. The pitch azimuth motor 22 can rotate forward and reverse, driving the reflector 23 to rotate, and changing the pitch shooting angle of the telephoto camera.
[0017] The above-mentioned technologies not specifically mentioned are all referred to the prior art.
[0018] Based on the above-mentioned ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above-mentioned description. The technical scope of the present invention is not limited to the contents of the specification.
Claims
1. A miniaturized electric pan / tilt head for a telephoto camera, characterized in that: It includes a horizontal azimuth adjustment part and a pitch azimuth adjustment part; the horizontal azimuth adjustment part includes an inner cylinder, an outer cylinder, a horizontal azimuth motor, a gear and a gear ring; the lower end of the inner cylinder is closed and the upper end is open, and both ends of the outer cylinder are open; the outer cylinder covers the inner cylinder; the inner cavity of the inner cylinder is used to vertically place a telephoto camera; the horizontal azimuth motor is installed on the outer wall of the inner cylinder; the gear is installed on the rotating shaft of the horizontal azimuth motor; the rotating shaft of the horizontal azimuth motor is vertical; the outer peripheral surface of the gear ring is fixed on the inner peripheral wall of the outer cylinder; the gear is meshed with the gear ring; The pitch-azimuth adjustment part includes a bracket, a pitch-azimuth motor and a reflector. The bracket is installed on the top of the inner tube, the pitch-azimuth motor is installed on the bracket, and the reflector is installed on the rotating shaft of the pitch-azimuth motor. The rotating shaft of the pitch-azimuth motor is horizontal. The reflector spans above the upper port of the inner tube and is used to reflect light to the upper port of the inner tube.
2. The miniaturized electric pan / tilt head for a telephoto camera according to claim 1, characterized in that: The lower edge of the outer tube is provided with a second mounting ring protruding outward.
3. The miniaturized electric pan / tilt head for a telephoto camera according to claim 2, characterized in that: The upper edge of the inner cylinder is provided with a first mounting ring protruding outward, and the bracket is mounted on the upper ring surface of the first mounting ring.
4. The miniaturized electric pan / tilt head for a telephoto camera according to claim 3, characterized in that: The bracket includes two opposite vertical plates and a horizontal plate connected to the top of the two vertical plates. The lower ends of the two vertical plates of the bracket are installed on the upper ring surface of the first mounting ring. The reflector is located between the two vertical plates. The pitch azimuth motor is installed on the outer surface of one of the vertical plates. The rotating shaft of the pitch azimuth motor passes through the vertical plate and is fixedly connected to the reflector.
5. The miniaturized electric pan / tilt head for a telephoto camera according to claim 4, characterized in that: A mounting plate is fixed on the reflector, and a rotating shaft of the pitch-azimuth motor is fixedly connected to the mounting plate.