一种无接触式供电的餐桌转盘
By using a contactless power supply method with transmitting and receiving coils on the turntable, combined with human body induction and infrared communication, the problems of unstable power supply and easy damage of traditional turntables are solved, achieving stable power transmission and smooth rotation, and extending product life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN RENZUOCHABULIANG TECH CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional turntables suffer from unstable power supply, easy damage, and short lifespan due to their electrical conductivity, especially the instability and wear caused by tangled power cords and poor contact at moving contacts.
It adopts a contactless power supply method, which uses electromagnetic induction to generate electrical energy to supply the electrical components by setting up transmitting and receiving coils on the support base and rotating base, thus achieving contactless conduction. Combined with human body sensing module and infrared communication to control the rotation of the turntable.
It achieves stable power supply and smooth operation, avoids power cord tangling and wear, extends service life, and meets user needs.
Smart Images
Figure CN224504943U_ABST
Abstract
Claims
1. A contactless power supply turntable, comprising a turntable body (A), a support base (1) supported on a tabletop (B), a rotating base (2) connected to the turntable body (A), and a power component for driving the rotating base (2) to rotate relative to the support base (1); the power component is disposed between the support base (1) and the rotating base (2), and the turntable body (A) and the rotating base (2) rotate synchronously; the power component is electrically connected to a control circuit on the support base (1); an electrical component is disposed on the turntable body (A) and / or the rotating base (2); characterized in that: A transmitting coil (4) is provided on the support base (1), and the transmitting coil (4) is electrically connected to the control circuit; a receiving coil (5) is provided on the rotating base (2), and the receiving coil (5) is electrically connected to the power supply components; the transmitting coil (4) and the receiving coil (5) correspond to each other and generate electromagnetic induction power to supply the power supply components.
2. The contactless powered table top turntable of claim 1, wherein: The support base (1) is provided with a first annular surface (101), and the transmitting coil (4) is wound on the first annular surface (101); the rotating base (2) is provided with a second annular surface (201), and the receiving coil (5) is wound on the second annular surface (201); the transmitting coil (4) and the receiving coil (5) are arranged coaxially inside and outside each other.
3. The contactless powered table top turntable of claim 1, wherein: The support base (1) is provided with a first annular plane (103), and the transmitting coil (4) is provided on the first annular plane (103); the rotating base (2) is provided with a second annular plane (203), and the receiving coil (5) is provided on the second annular plane (203); the transmitting coil (4) and the receiving coil (5) are vertically aligned with each other.
4. The contactless powered table top turntable of claim 1, wherein: The support base (1) and / or the rotating base (2) are provided with a first fastening position (104), and the support base (1) and the rotating base (2) are fastened to each other by the first fastening position (104) to lock the vertical position relationship between the support base (1) and the rotating base (2); the rotating base (2) is provided with an upper limit part (204) and a lower limit part (601) that are vertically corresponding to each other, and there is a limit gap (C) between the upper limit part (204) and the lower limit part (601); the support base (1) is provided with a limit function part (105), and the limit function part (105) is rotatably disposed in the limit gap (C).
5. The contactless powered table top turntable of claim 1, wherein: The electrical components include a human body sensor module (9) for detecting whether there is an object moving above the turntable body (A). The human body sensor module (9) is disposed on the turntable body (A) and is electrically connected to the receiving coil (5).
6. The contactless powered table top turntable of claim 5, wherein: The electrical components include an infrared emitting module (10) for emitting infrared signals, which is electrically connected to a human body sensing module (9). Several infrared emitting modules (10) are arranged in a ring on the turntable body (A) and rotate with the turntable body (A). Several infrared receiving modules (11) for receiving infrared signals are arranged in a ring on the support base (1). The infrared receiving modules (11) are electrically connected to the control circuit. When the human body sensing module (9) detects a moving object above the turntable body (A), the human body sensing module (9) sends feedback to the infrared emitting module (10), which emits infrared signals. The infrared receiving module (11) receives the infrared signals and then sends feedback to the control circuit. The control circuit controls the power components to stop running.
7. The contactless powered table top turntable of claim 6, wherein: The human body sensing module (9) includes a radar module (901) for recognizing human bodies based on radar signals. The radar module (901) is provided with a radar transmitter for transmitting radar signals to the top of the turntable body (A) and a radar receiver for receiving reflected radar signals. Several radar modules (901) are arranged in a ring at the bottom of the turntable body (A). Several radar modules (901) are connected to an infrared transmitting module (10) through a sensing circuit.
8. The contactless powered table top turntable of claim 6, wherein: The transmitting end of the infrared transmitting module (10) and the receiving end of the infrared receiving module (11) are aligned to each other, so that the transmitting area D1 of the infrared transmitting module (10) always overlaps with the receiving area D2 of at least one infrared receiving module (11).
9. The contactless powered table top turntable of claim 1, wherein: It also includes a bearing assembly, which includes a linkage bracket (3), a first rolling element (7) and a second rolling element (8). The linkage bracket (3) is movably disposed between the support base (1) and the rotating base (2). The first rolling element (7) is rotatably disposed between the support base (1) and the linkage bracket (3). The second rolling element (8) is rotatably disposed between the linkage bracket (3) and the rotating base (2).
10. The contactless powered table top turntable of claim 9, wherein: The power assembly includes a drive motor, a drive gear and a drive rack (301). The drive motor is mounted on the support base (1) and electrically connected to the control circuit. The drive gear is connected to the motor shaft of the drive motor. The drive rack (301) is coaxially and closed-loop mounted on the linkage bracket (3). The drive gear and the drive rack (301) mesh with each other. When the drive motor starts, the linkage bracket (3) drives the rotating base (2) to rotate through the second rolling element (8).