dehn+soehne electrical components Germany dehn+soehne model dehn+soehne price

dehn+soehne electrical components are constituent parts of electronic components and small machines and instruments. They often consist of several parts and are interchangeable within similar products. The term commonly refers to certain parts in the electrical, radio, and instrumentation industries, serving as a general term for electronic devices such as capacitors, transistors, hairsprings, and mainsprings. Common examples include diodes. Electronic components include: resistors, capacitors, inductors, potentiometers, electron tubes, heat sinks, electromechanical components, connectors, discrete semiconductor devices, electroacoustic devices, laser devices, electronic display devices, optoelectronic devices, sensors, power supplies, switches, micro-special motors, electronic transformers, relays, printed circuit boards, integrated circuits, various circuits, piezoelectric materials, crystals, quartz, ceramic magnetic materials, substrate boards for printed circuits, special materials for electronic functional processes, electronic adhesive (tape) products, electronic chemical materials and parts, etc.

dehn+soehne electrical component functions

Modulated pulses generated by the oscillation circuit pass through the reflection circuit, and light pulses are radiated by the light-emitting tube GL. When the measured object enters the effective range of the light receiver, the reflected light pulses enter the phototransistor DU. In the receiving circuit, the light pulses are demodulated into electrical pulse signals, amplified, and synchronously gated and shaped. Interference is then eliminated using digital integration or RC integration methods. Finally, a driver is triggered with or without delay to output the photoelectric switch control signal. Photoelectric switches generally have good hysteresis characteristics, so even if the detected object shakes within a small range, the driver's output status remains unaffected, keeping it in a stable operating zone. Meanwhile, the self-diagnosis system can display the light-receiving status and stable operating zone to monitor the photoelectric switch's operation at any time. Proximity switches are widely used in aviation, aerospace technology, and industrial production. They are also applied in daily life, such as in automatic doors in hotels, restaurants, and garages, and in automatic hot air blowers. For security and anti-theft purposes, important locations such as archives, accounting departments, financial institutions, museums, and vaults are typically equipped with anti-theft devices composed of various proximity switches. In measurement technology, such as length and position measurement, and in control technology, such as displacement, speed, and acceleration measurement and control, a large number of proximity switches are also used.

dehn+soehne electrical component characteristics

The static characteristics of a sensor refer to the relationship between the output and input quantities when the input signal is static. Since the input and output quantities are independent of time in this case, their relationship, i.e., the static characteristics of the sensor, can be described by an algebraic equation without time variables, or by a characteristic curve plotted with the input quantity as the abscissa and the corresponding output quantity as the ordinate. The main parameters characterizing the static characteristics of a sensor include: linearity, sensitivity, hysteresis, repeatability, and drift. (1) Linearity: Refers to the degree to which the actual relationship curve between the sensor's output and input quantities deviates from the fitted straight line. It is defined as the ratio of the maximum deviation between the actual characteristic curve and the fitted straight line over the full scale range to the full-scale output value. (2) Sensitivity: Sensitivity is an important indicator of a sensor's static characteristics. It is defined as the ratio of the increment in the output quantity to the corresponding increment in the input quantity that causes this change. S is used to denote sensitivity. (3) Hysteresis: Hysteresis is the phenomenon where the input-output characteristic curves do not coincide when the input quantity changes from small to large (forward stroke) and from large to small (reverse stroke). For the same magnitude of input signal, the output signals for the forward and reverse strokes are unequal; this difference is called the hysteresis error. (4) Repeatability: Repeatability refers to the degree of inconsistency in the characteristic curves obtained when the sensor's input quantity undergoes continuous multiple full-scale changes in the same direction. (5) Drift: Sensor drift refers to the phenomenon where the sensor's output changes over time while the input quantity remains constant. There are two main causes of drift: one is the sensor's own structural parameters, and the other is the surrounding environment (such as temperature, humidity, etc.). (6) Resolution: When the sensor's input increases slowly from a non-zero value, an observable change in the output occurs after exceeding a certain increment. This input increment is called the sensor's resolution, i.e., the minimum input increment. (7) Threshold: When the sensor's input increases slowly from zero, an observable change in the output occurs after reaching a certain value. This input value is called the sensor's threshold voltage.

dehn+soehne electrical component structure

A thermopile is a pyroelectric infrared sensor, a device composed of thermocouples. It is widely used as a temperature detection device in fields such as ear thermometers, radiation thermometers, electric ovens, and food temperature detection. It consists of two or more thermocouples connected in series, where the thermoelectric potentials output by each thermocouple are superimposed. It is used to measure small temperature differences or average temperatures. Structure of a thermopile: The radiation receiving surface is divided into several sections, each connected to a thermocouple. Connecting them in series forms a thermopile. Depending on the application, practical thermopiles can be made in wire-type and thin-film types, as well as multi-channel and array-type devices.

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