HEIRU electrical components Germany HEIRU model HEIRU price

HEIRU electrical components refer to electronic components that generate resonant frequencies, commonly divided into quartz crystal resonators and ceramic resonators. They function to generate frequencies and feature stability and good anti-interference performance, widely used in various electronic products. The frequency accuracy of quartz crystal resonators is higher than that of ceramic resonators, but the cost is also higher. Resonators mainly serve the role of frequency control; all electronic products involving frequency transmission and reception require resonators. Resonator types can be divided into through-hole and surface-mount types based on their form factor.

HEIRU electrical component classification

Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single-strand or multi-strand conductors and insulation layers, used to connect circuits, electrical appliances, etc. Cables can be divided into DC cables and AC cables according to the photovoltaic power station system, and are classified into DC cables and AC cables based on application and operating environment.

HEIRU electrical component principle

Potentiometric displacement sensors convert mechanical displacement into resistance or voltage output that has a linear or arbitrary functional relationship with the displacement via potentiometer elements. Ordinary linear potentiometers and rotary potentiometers can be used as linear displacement and angular displacement sensors, respectively. However, potentiometers designed for displacement measurement require a definite relationship between displacement change and resistance change. The movable wiper of the potentiometric displacement sensor is connected to the measured object. The displacement of the object causes a resistance change at the moving end of the potentiometer. The magnitude of the resistance change reflects the magnitude of the displacement, while the increase or decrease in resistance indicates the direction of displacement. Typically, a supply voltage is applied to the potentiometer to convert the resistance change into a voltage output. In wire-wound potentiometers, the resistance changes in steps corresponding to the turn-to-turn resistance as the wiper moves, resulting in a stepped output characteristic. If such a displacement sensor is used as a displacement feedback element in a servo system, excessive step voltage may cause system oscillation. Therefore, the resistance per turn should be minimized during potentiometer manufacturing. Another major disadvantage of potentiometric sensors is susceptibility to wear. Their advantages include simple structure, large output signal, ease of use, and low cost.

HEIRU electrical component structure

Three basic configurations of fiber optic sensor networks. There are three basic configurations of fiber optic sensor networks, one of which is called the single-point sensor. Here, a single fiber optic cable serves only for transmission. Another type is the multi-point sensor, where a single fiber optic cable connects many sensors in series, allowing multiple sensors to share a light source for networked monitoring. Then there is the intelligent fiber optic sensor. Multi-point fiber optic sensors appear externally as a section of grating, with periodic intervals discovered through UV exposure. When light enters the fiber, if the wavelength of the light equals twice the interval, the light wave will be strongly reflected. If the fiber is subjected to temperature changes or strain, this reflected wavelength will change. Many such sensors can be made on a single fiber and connected for various sensing applications. Because fiber optics are flexible, they can be arranged in two-dimensional or three-dimensional spaces, where the horizontal axis represents spatial position and the vertical axis represents the measured object. What problem does such a sensor network solve? It solves the problem of identifying what happened at which location and the intensity of that event, thereby providing two-dimensional information. This is the problem that intelligent fiber optic sensors need to address. They have very prominent requirements, including small size, high strength, good stability, embeddability in materials, electromagnetic interference resistance, and environmental durability.

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