German TISCHER HANDELS sensors, TISCHER HANDELS models, TISCHER HANDELS prices

TISCHER HANDELS sensors are components that convert changes in non-electrical quantities (such as speed and pressure) into changes in electrical quantities. Depending on the non-electrical quantity converted, they can be classified as pressure sensors, speed sensors, temperature sensors, etc., and serve as parts and accessories for measurement and control instruments and equipment.

TISCHER HANDELS sensor classification

Lasers can be divided into 4 types based on the working medium. (1) Solid-state lasers: The working medium is solid. Common examples include ruby lasers, neodymium-doped yttrium aluminum garnet lasers (i.e., YAG lasers), and neodymium glass lasers. Their structures are roughly similar, characterized by compactness, robustness, and high power. Neodymium glass lasers offer the highest pulsed output power, reaching tens of megawatts. (2) Gas lasers: The working medium is gas. Various gas atomic, ion, metal vapor, and gas molecular lasers are available. Common examples include carbon dioxide lasers, helium-neon lasers, and carbon monoxide lasers. Shaped like standard discharge tubes, they feature stable output, good monochromaticity, and long service life, but have lower power and conversion efficiency. (3) Liquid lasers: These can be further divided into chelate lasers, inorganic liquid lasers, and organic dye lasers. Among these, organic dye lasers are the most important, with the key feature of continuously tunable wavelength. (4) Semiconductor lasers: A relatively newer type of laser, with gallium arsenide lasers being the more mature variant. Characteristics include high efficiency, small size, light weight, and simple structure, making them suitable for carriage on aircraft, warships, tanks, and by infantry. They can be made into rangefinders and sights. However, they have lower output power, poorer directionality, and are significantly affected by ambient temperature.

TISCHER HANDELS sensor principle

When a laser sensor operates, a laser diode first emits a laser pulse toward the target. After reflection from the target, the laser scatters in various directions. Part of the scattered light returns to the sensor receiver, where it is received by the optical system and imaged onto an avalanche photodiode. An avalanche photodiode is an optical sensor with internal amplification capability, enabling it to detect extremely weak light signals and convert them into corresponding electrical signals. A common type is the laser distance sensor, which determines the target distance by recording and processing the time elapsed from the emission of the light pulse to its reception. Laser sensors must measure the transmission time with extreme precision due to the high speed of light.

TISCHER HANDELS sensor applications

Oversize vehicle width and height detection: Laser sensors are used for rapid measurement. An industrial PC and the network kernel of the visualization programming software VB enable real-time data transmission and processing with the sensors. User-friendly host control software has also been designed. Field test data show that the system offers good real-time performance and high measurement accuracy, providing practical value. Highway toll stations: Used at highway toll stations for vehicle counting and safety protection. Malaysia's Teras company has already deployed hundreds of BEA laser sensors in its manual and automatic toll collection systems. The laser sensors use the Time-of-Flight (TOF) measurement principle to form 4 planes within the detection area for vehicle detection. The product also features anti-rear-end collision and vehicle safety protection functions. Compared with traditional light curtains, laser sensors offer advantages such as high sensitivity, high precision, easy installation, cost-effectiveness, and strong stability. Google's second-generation driverless car: Equipped with laser sensors. In Google's second-generation autonomous vehicle prototype, while the top-mounted laser sensor remains quite prominent, other sensors are installed very discreetly. Distinctive Google driverless car logos are affixed to the front, rear, and both sides of the vehicle. The control and driving principle of the Google driverless car relies on numerous sensors installed around the vehicle to continuously collect precise data about the vehicle itself and its surroundings. An onboard processor analyzes and computes this data, then controls the vehicle's movement based on the results. The driverless car uses GPS devices and sensors to accurately determine the vehicle's position and forward speed, and to identify surrounding pedestrians, vehicles, bicycles, traffic signals, and many other objects. A 360° rotating laser holographic sensor is mounted on the roof of this Lexus vehicle, capable of almost simultaneously sensing conditions in front of, to the side of, and behind the car. Data collected by the sensor is transmitted via green data cables to the processor located at the right rear of the vehicle. This laser sensor also enables global precise positioning for the driverless car. The original L type Lexus emblem on the front of the car has been removed and replaced with a radar sensor, which measures distance ahead and vehicle speed to assess traffic conditions in front and control safe acceleration and deceleration. Position sensors are also installed on the wheel hubs to detect wheel rotation and assist with vehicle positioning. The heart of the Google driverless car—the processor—is located at the right rear of the vehicle. Data from all sensors is transmitted here via data cables for software analysis and processing, enabling precise sensing and judgment of different objects near the driverless car. In addition to analyzing and judging the current positions of objects around the driverless car, the software calculates and accurately predicts the potential next position of each object. Finally, the driverless car makes safe driving decisions based on all collected data, including controlling vehicle speed and maintaining distance from surrounding vehicles.

Weidou Intelligent Technology specializes in selling German TISCHER HANDELS sensors, TISCHER HANDELS proximity sensors, TISCHER HANDELS distance sensors, TISCHER HANDELS vision sensors, TISCHER HANDELS displacement sensors, TISCHER HANDELS load cells, TISCHER HANDELS speed sensors, TISCHER HANDELS photoelectric sensors, TISCHER HANDELS position sensors, TISCHER HANDELS angle sensors, TISCHER HANDELS tactile sensors, TISCHER HANDELS temperature sensors, TISCHER HANDELS pressure sensors, TISCHER HANDELS flow sensors, TISCHER HANDELS level sensors, TISCHER HANDELS motion sensors, and TISCHER HANDELS process sensors. Original imports from Germany. Inquiries and orders are welcome.