German Jokab Safety sensors, Jokab Safety models, Jokab Safety prices

Jokab Safety sensors are devices that convert mass signals into measurable electrical signal outputs. When using sensors, the actual working environment of the sensor should be considered first. This is crucial for the correct selection of load cells, as it affects whether the sensor can work normally, its safety and service life, and even the reliability and safety of the entire weighing instrument. There are qualitative differences between the old and new national standards in the basic concepts and evaluation methods of the main technical indicators of load cells. The main styles include S type, cantilever type, spoke type, plate ring type, membrane box type, bridge type, and column cylinder type.

Jokab Safety 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 technology and the emergence of various organic materials, a variety of development schemes for tactile sensors have been proposed, but most are currently at the laboratory stage, with few reaching productization. Tactile sensors can be roughly divided into contact sensors, force-torque sensors, pressure sensors, and slip sensors according to their functions.

Jokab Safety sensor classification

Slip sensors are used to judge and measure the slippage of objects when robots grasp or handle them. It is actually a displacement sensor. According to whether there is a sliding direction detection function, it can be divided into three categories: non-directional, unidirectional, and omnidirectional. 1) Non-directional sensors include probe earphone types, which consist of sapphire probes, metal buffers, piezoelectric Rochelle salt crystals, and rubber buffers. When sliding, the probe vibrates, and the Rochelle salt converts it into a corresponding electrical signal. The buffer's role is to reduce noise. 2) Unidirectional sensors include drum photoelectric types. The slippage of the grasped object causes the drum to rotate, causing the photodiode to receive light signals transmitted through the code disk (mounted on the round surface of the drum), and the object's sliding is measured through the drum's rotation angle signal. 3) Omnidirectional sensors use metal balls whose surfaces are covered with insulating material and constitute a latitude-longitude distribution of conductive and non-conductive areas. When the sensor contacts an object and slides, 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 the on-off signals, the magnitude and direction of slippage can be measured. This type of sensor has high manufacturing process requirements.

Jokab Safety sensor applications

Contact sensors are used to judge whether a robot (mainly referring to limbs) has contacted an external object or to measure the characteristics of the contacted object. Contact sensors include types such as micro switches, conductive rubber, carbon-containing sponge, carbon fiber, and pneumatic reset devices. 1) Micro switch: Composed of a spring and a contact. After the contact touches an external object, it leaves the substrate, causing the signal path to disconnect, thereby detecting contact with the external object. The advantage of this normally closed (always connected when not in contact) micro switch is ease of use and simple structure; the disadvantage is susceptibility to mechanical oscillation and contact oxidation. 2) Conductive rubber type: It uses conductive rubber as the sensitive element. When the contact touches an external object and is pressed, it compresses the conductive rubber, changing its resistance, thereby changing the current flowing through the conductive rubber. The disadvantage of this sensor is that due to differences in the material formulation of conductive rubber, the resulting drift and hysteresis characteristics are inconsistent; the advantage is flexibility. 3) Carbon-containing sponge type: It has an elastic body made of sponge mounted on a substrate, with carbon-containing sponges arranged in an array within the sponge. After contacting an object under pressure, the resistance of the carbon-containing sponge decreases. Measuring the magnitude of the current flowing through the carbon-containing sponge determines the degree of pressure. This sensor can also be used as a pressure sensor. Advantages are simple structure, good elasticity, and ease of use. Disadvantages are that the uniformity of carbon distribution directly affects measurement results, and recovery ability 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 installed in the middle. When contacting an external object, the carbon fiber is pressed against the electrode to conduct electricity. The advantage is good flexibility, allowing installation on curved surfaces of mechanical arms, but hysteresis is significant. 5) Pneumatic reset type: It has a flexible insulating surface that deforms under pressure and uses compressed air as the resetting power when contact is broken. When contacting an external object, its internal elastic bubble (beryllium copper foil) contacts the lower touch point to conduct electricity. Advantages are good flexibility and high reliability, but a compressed air source is required.

Weidou Intelligent Technology specializes in selling German Jokab Safety sensors, Jokab Safety proximity sensors, Jokab Safety distance sensors, Jokab Safety vision sensors, Jokab Safety displacement sensors, Jokab Safety load cells, Jokab Safety speed sensors, Jokab Safety photoelectric sensors, Jokab Safety position sensors, Jokab Safety angle sensors, Jokab Safety tactile sensors, Jokab Safety temperature sensors, Jokab Safety pressure sensors, Jokab Safety flow sensors, Jokab Safety level sensors, Jokab Safety motion sensors, Jokab Safety process sensors. Original German imports. Welcome customers to inquire and order.