阅读说明：本技术 旋转系统和传感器 (Rotary system and sensor ) 是由 张文康 于 2018-12-04 设计创作，主要内容包括：一种旋转系统和传感器,旋转系统包括：旋转组件、电磁感应供电组件和无线通信组件；旋转组件包括固定部件(101)、以及相对于固定部件(101)可转动的转动部件(102)；电磁感应供电组件包括电能发送组件(201)和电能接收组件(202),电能接收组件(202)安装在转动部件(102)上,并且随着转动部件(102)的旋转而旋转；电能发送组件(201)安装在固定部件(101)上,并且与电能接收组件(202)之间通过电磁感应供电传输电能；无线通信组件包括第一信号组件(301)和第二信号组件(302),第二信号组件(302)安装在转动部件(102)上,并且随着转动部件(102)的旋转而旋转；第一信号组件(301)安装在固定部件(101)上,并且与第二信号组件(302)之间建立无线通信连接。实现了旋转系统的无线供电和无线数据传输。(A rotation system and sensor, the rotation system comprising: the device comprises a rotating assembly, an electromagnetic induction power supply assembly and a wireless communication assembly; the rotating assembly comprises a fixed part (101) and a rotating part (102) which can rotate relative to the fixed part (101); the electromagnetic induction power supply assembly comprises a power sending assembly (201) and a power receiving assembly (202), wherein the power receiving assembly (202) is installed on the rotating component (102) and rotates along with the rotation of the rotating component (102); the power transmitting assembly (201) is installed on the fixed component (101) and supplies power to the power receiving assembly (202) through electromagnetic induction to transmit power; the wireless communication assembly comprises a first signal assembly (301) and a second signal assembly (302), wherein the second signal assembly (302) is installed on the rotating component (102) and rotates along with the rotation of the rotating component (102); the first signal assembly (301) is mounted on the fixed member (101) and establishes a wireless communication connection with the second signal assembly (302). The wireless power supply and the wireless data transmission of the rotating system are realized.)

A rotary system, comprising: the device comprises a rotating assembly, an electromagnetic induction power supply assembly and a wireless communication assembly;

the rotating assembly comprises a fixed part and a rotating part which can rotate relative to the fixed part;

the electromagnetic induction power supply assembly comprises a power transmitting assembly and a power receiving assembly, and the power receiving assembly is mounted on the rotating component and rotates along with the rotation of the rotating component; the electric energy sending assembly is arranged on the fixed part and supplies power to the electric energy receiving assembly through electromagnetic induction to transmit electric energy;

the wireless communication assembly includes a first signal assembly and a second signal assembly, the second signal assembly being mounted to the rotating member and rotating with rotation of the rotating member; the first signal assembly is mounted on the fixed member and establishes a wireless communication connection with the second signal assembly.

The rotating system of claim 1, wherein the electromagnetic induction power supply transmits power in a frequency band different from a frequency band used for wireless communication.

The rotating system of claim 2, wherein the electromagnetic induction power supply transmits power in a frequency range of 120KHz to 150 KHz.

The rotary system of claim 2, wherein the wireless communication assembly comprises at least one of: WIFI communication subassembly, bluetooth communication subassembly, near field communication NFC communication subassembly.

The rotating system of claim 2, wherein the wireless communication component is a WIFI communication component.

The rotating system of claim 5, wherein the frequency band used for the WIFI communication component to communicate is 5.2 GHz.

The rotating system of claim 1, wherein the power transmitting assembly comprises a first chip, a first resonant capacitor, and a transmitting coil, and the power receiving assembly comprises a second chip, a second resonant capacitor, and a receiving coil;

the first chip outputs square waves, and the first resonant capacitor and the sending coil form a resonant circuit; the transmitting coil and the receiving coil are powered and transmitted with electric energy through electromagnetic induction; the second resonance capacitor and the receiving coil form a resonance circuit; the second chip outputs a direct current voltage.

The rotating system of claim 7, wherein a distance between the transmitting coil and the receiving coil ranges from 1.5 millimeters to 5 millimeters.

The rotating system of claim 7, wherein the transmitting coil and the receiving coil are disk-shaped.

The rotary system as claimed in claim 7, wherein the first chip and the communication chip included in the first signal assembly are integrated on the same circuit board, and the second chip and the communication chip included in the second signal assembly are integrated on the same circuit board.

The rotating system of claim 1, wherein the first signal assembly comprises a first communication chip and a first antenna, wherein the second signal assembly comprises a second communication chip and a second antenna, and wherein the first antenna and the second antenna are both on-board antennas.

The rotating system according to any one of claims 1 to 11, wherein the stationary part comprises a stator of an electric motor, and the rotating part comprises a rotor of the electric motor, and the electric power receiving assembly is rotated and the second signal assembly is rotated.

The rotary system of any one of claims 1 to 11, further comprising a first serial link mounted to the stationary member and a first ethernet link, the first serial link and the first ethernet link each electrically connected to the first signal assembly.

The rotary system of claim 13, wherein the first serial link is configured to transmit control commands.

The rotating system of claim 13, wherein the first ethernet link is configured to transmit: image data, sensing data of the distance sensor.

The rotary system of any one of claims 1 to 11, further comprising a second serial link mounted to the rotatable member and a second ethernet link, the second serial link and the second ethernet link each being electrically connected to the second signal assembly.

The rotating system of claim 16, wherein the second serial link is configured to transmit control commands.

The rotating system of claim 16, wherein the second ethernet link is configured to transmit: image data, sensing data of the distance sensor.

The rotary system of claim 1, further comprising a processor;

the second signal component is used for receiving the first time axis information and the first motion parameter sent by the first signal component, and the first motion parameter corresponds to the first time axis information and is used for representing the motion relation between the first signal component and the second signal component;

the processor is used for determining second time axis information corresponding to the first motion parameters in a local second time axis;

the processor is configured to adjust the second time axis according to the first time axis information and the second time axis information, so that the second time axis is synchronized with the first time axis.

A sensor, comprising:

the rotating system of any one of claims 1-19; and

a sensing part installed at the rotating part,

wherein the sensing component is electrically connected with the power receiving assembly and powered by the power receiving assembly; the sensing component is electrically connected with the second signal component, and sensing data is transmitted back through the second signal component and the first signal component.

The sensor of claim 20, wherein the sensor comprises at least one of: laser radar, microwave radar, ultrasonic sensor, infrared sensor, image sensor.