German Eickmann elektronik sensors, Eickmann elektronik models, Eickmann elektronik prices

Eickmann elektronik sensors are used to measure the robot's own position. Position sensors can be divided into two types: contact sensors and proximity sensors. These sensors detect the position of the measured object and convert it into a usable output signal. They detect the position of the measured object and convert it into a usable output signal. Position sensors can be used to detect position and reflect switches in certain states. Unlike displacement sensors, position sensors come in contact and proximity types.

Eickmann elektronik sensor introduction

Sensors used in robots to mimic tactile functions. Tactile sense is an important sensory function when humans directly contact the external environment. Developing tactile sensors that meet requirements is one of the key technologies in robot development. With the development of microelectronics and the emergence of various organic materials, a variety of development plans for tactile sensors have been proposed, but most are currently at the laboratory stage, with few reaching productization. Tactile sensors can be roughly divided by function into contact sensors, force-torque sensors, pressure sensors, and slip sensors.

Eickmann elektronik sensor classification

Slip sensors are used to judge and measure the slippage of objects when a robot grips or handles them. They are essentially a type of displacement sensor. Based on whether they have sliding direction detection functionality, they can be divided into three categories: non-directional, single-directional, and omni-directional. 1) Non-directional sensors include probe earphone types, which consist of sapphire probes, metal buffers, piezoelectric Rochelle salt crystals, and rubber buffers. Sliding causes the probe to vibrate, which is converted into corresponding electrical signals by the Rochelle salt. The buffer reduces noise. 2) Single-directional sensors include drum photoelectric types. Slippage of the gripped object causes the drum to rotate, leading the photodiode to receive light signals transmitted through the code disk (mounted on the drum's circular surface). The object's slippage is measured via the drum's rotation angle signal. 3) Omni-directional sensors use metal balls surfaced with insulating material and composed of latitudinal and longitudinal distributions of conductive and non-conductive areas. When the sensor contacts an object and slips, the ball rotates, causing the conductive and non-conductive areas on the ball's surface to alternately contact electrodes, thereby generating on/off signals. By counting and judging these on/off signals, the magnitude and direction of slippage can be measured. This type of sensor requires high manufacturing precision.

Eickmann elektronik sensor applications

Contact sensors are used to determine whether a robot (mainly referring to limbs) has contacted an external object or to measure the characteristics of the contacted object. Types of contact sensors include micro switches, conductive rubber, carbon-impregnated sponge, carbon fiber, and pneumatic reset devices. 1) Micro switch: Composed of a spring and a contact. When the contact touches an external object, it leaves the base plate, breaking the signal circuit, thereby detecting contact with the external object. The advantage of this normally closed (always connected when not contacted) micro switch is ease of use and simple structure; the disadvantage is susceptibility to mechanical oscillation and contact oxidation. 2) Conductive rubber type: Uses conductive rubber as the sensitive element. When the contact touches an external object under pressure, it compresses the conductive rubber, changing its resistance and thus altering the current flowing through it. The disadvantage of this sensor is that drift and hysteresis characteristics vary due to differences in conductive rubber material formulations; the advantage is flexibility. 3) Carbon-impregnated sponge type: Features an elastic body made of sponge mounted on a substrate, with carbon-impregnated sponge arranged in an array within the sponge. When contacting an object under pressure, the resistance of the carbon-impregnated sponge decreases. Measuring the current flowing through the carbon-impregnated sponge determines the degree of pressure. This sensor can also be used as a pressure sensor. Advantages include simple structure, good elasticity, and ease of use. Disadvantages are that uniformity of carbon distribution directly affects measurement results, and recovery capability after pressure is poor. 4) Carbon fiber type: Uses carbon fiber as the upper layer, a substrate as the lower layer, and urethane and metal electrodes in between. When contacting an external object, the carbon fiber is compressed and contacts the electrode to conduct electricity. The advantage is good flexibility, allowing installation on curved surfaces of robotic arms, but hysteresis is significant. 5) Pneumatic reset type: Features a flexible insulating surface that deforms under pressure and uses compressed air as the reset power when contact is lost. When contacting an external object, the internal elastic bubble (beryllium copper foil) contacts the lower touch point to conduct electricity. Advantages include good flexibility and high reliability, but a compressed air source is required.

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