ingiant technology | industry new | May 20.2025
Overview
Slip rings are electrical components that are responsible for connecting rotating bodies and transmitting energy and signals. Slip rings are usually installed at the rotating center of the equipment and consist of two parts: rotating and stationary. The rotating part connects to the rotating structure of the equipment and rotates with it, which is called the "rotor"; the stationary part connects to the fixed structure of the equipment, which is called the "stator".
Working principle
When the device rotates, the shaft (inner part) rotates while the housing (outer part) remains stationary. During this process, the brushes or contact rings always keep contact with the stationary part while maintaining a connection with the rotating shaft. This contact point allows current or signals to be transmitted from the outside to the inside, or vice versa. This design ensures that the device can maintain a connection with the outside while rotating without causing disconnection or interference.
Slip ring structure
Mainly composed of housing, shaft, brush or contact ring, contact material and seal.
Slip Ring Diagram 1.1
Classification
Transmission Media
Electrical Slip Ring :through bore slip ring ,rotor flange slip ring ,stator flange slip ring ,capsule slip ring ,power current slip ring ,micro slip ring ,servo encoder slip ring,waterproof slip ring ,1000M ethernet slip ring , canbus slip ring
Fluid Rotary Joint :pneumatic rotary joint ,hydraulic rotary joint ,end outlet rotary joint,Ultra-low torque rotary joint, central rotary joint, hollow rotary joint, machine tool industry rotary joint, multi-function rotary joint, compact multi-function rotary joint, ultra-high pressure stainless steel rotary joint, single-way rotary joint, food grade single-way rotary joint, large flow rotary joint.
Fiber Optic Slip Ring :fiber optic slip ring ,fiber optic-electrical slip ring ,high frequency slip ring ,SDI/1080P slip ring
Feature Sort
Feature Slip Ring:Flat disc slip ring, PCB disc slip ring, split conductive slip ring, USB slip ring, mercury slip ring, slip ring with aviation plug.
Industry Application Sort
High speed slip rings, medical equipment CT slip rings, high temperature conductive slip rings, wind power slip rings, thermocouple slip rings, high current slip rings, large diameter slip rings, explosion-proof conductive slip rings, strain gauge signal slip rings, military grade slip rings, bobbin slip rings, single crystal furnace slip rings, crane slip rings, revolving door slip rings, pan/tilt/turntable slip rings, IP68 conductive slip rings
Slip Ring Application Scenario
Slip rings are electrical contact devices used for rotating equipment, which can realize the transmission of current, signals, etc. and are widely used in the following scenarios:
Industrial automation field
Robots: In multi-joint robots, slip rings are used to connect the rotating joints and fixed parts of the robot, so that the robot can stably transmit power and control signals during complex movements, ensuring the precise movement and coordinated work of each joint.
Automated production line: The rotating workbench in the production line, the rotating parts of the conveyor line, etc., can continuously provide power and signals to the rotating parts without stopping the machine through slip rings, ensuring the continuity and stability of the production process.
Electric power field
Wind turbines: When the blades of the wind turbine rotate with the wind, the electric energy inside the generator needs to be transmitted to the external power grid through slip rings, and the control system signal is transmitted to the generator to realize the monitoring and control of the power generation process.
High-voltage switchgear: In the rotating operating mechanism of some high-voltage switches, slip rings are used to transmit control signals and a small amount of electricity to ensure that the control circuit can work stably during the opening and closing process of the switch, ensuring the safe and reliable operation of the equipment.
Transportation field
Electric vehicles: In the wireless charging system of electric vehicles, slip rings can be used to transmit power between the charging base and the charging module at the bottom of the vehicle. When the vehicle is parked in place and starts charging, the slip ring can establish a stable electrical connection between the vehicle and the charging facility.
Rail transportation: The connection between the pantograph and the contact network of the train, as well as some rotating equipment inside the train (such as the rotating parts of the air-conditioning system, the motor connection in the power bogie, etc.), may use slip rings to realize the transmission of power and signals to ensure the normal operation of the train and the coordinated work of various equipment.
Aerospace and defense field
Aircraft: The rotating parts of the aircraft, such as radar antennas and aircraft engines, need to transmit power, signals and data through slip rings to ensure the normal scanning of the radar system, the monitoring and control of the engine and other functions.
Missiles and satellites: The guidance system of the missile, the antenna deployment mechanism of the satellite and the attitude control system, etc. Slip rings play the role of transmitting signals and power in these key components, which is crucial for the precise guidance of missiles and the stable operation of satellites.
Communications and broadcasting
Satellite communications: The antennas of satellite communication ground stations usually need to adjust their directions constantly to track satellites. Slip rings are used at the rotating joints of the antennas to achieve signal and power transmission between the antennas and ground communication equipment, ensuring stable and reliable communication.
Radio and television transmission towers: The rotating transmitting antennas on the transmission towers are connected to the transmitters through slip rings. When the antennas adjust their directions and angles, they ensure stable transmission of RF signals and improve signal coverage and quality.
Medical equipment
CT scanners: In the rotating rack of CT scanners, slip rings are used to connect the circuits of the fixed and rotating parts, so that the X-ray tubes and detectors can transmit power and collected image data in real time during high-speed rotation, providing guarantees for accurate medical imaging.
Medical robots: Such as the mechanical arm joints of surgical robots and the rotating parts of rehabilitation robots. Slip rings are responsible for transmitting power and control signals in these devices, ensuring the precise operation and flexible movement of robots, and improving the quality and efficiency of medical services.
Frequently Asked Questions
Q1: How to choose a suitable slip ring?
A1: Multiple factors need to be considered, such as rotation speed, number of circuit channels, voltage and current of power and signal, signal type, operating temperature, protection level, etc. For example, high-speed rotating equipment needs to choose slip rings that can adapt to high speeds; when transmitting a variety of different signals, it is necessary to ensure that the slip rings are compatible with these signal types.
Q2: Why is the type of signal important when choosing a slip ring?
A2: Different signals have different characteristics and transmission requirements. For example, analog signals are easily interfered with, and digital signals have requirements for transmission accuracy and speed. Slip rings need to be designed and optimized according to the specific signal type to ensure stable signal transmission and avoid distortion, interference and other problems.
Q3: What signals can slip rings transmit?
A3: It can transmit all currently popular low- and medium-frequency signals, bus control signals, such as Inter Bus, Can-Bus, Profibus, RS422, RS485, PLC control, digital/analog video, digital audio, Gigabit Ethernet, temperature and weight sensor signals, etc.
Q4: How do slip rings solve the problem of signal interference?
A4: Comprehensive consideration is given to the slip ring structure design and internal wiring design, such as adopting reasonable shielding measures, optimizing line layout, and selecting suitable insulation materials, to avoid interference between power and signal, between signal and signal, and to prevent external electromagnetic interference to the inside of the slip ring.
Post time: May-20-2025