Danotherm electrical components Germany Danotherm model Danotherm price

Danotherm electrical components: Two conductors placed close to each other with a non-conductive insulating dielectric layer in between constitute a capacitor. When voltage is applied across the two plates of a capacitor, it stores electric charge. The capacitance value is numerically equal to the ratio of the charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance is the Farad (F). In circuit diagrams, the letter C is commonly used to represent capacitive elements; capacitors are components that store electric charge and electrical energy (electric potential energy). A system of conductors where one conductor is enclosed by another, or where all electric field lines originating from one conductor terminate on another conductor, is called a capacitor.

Danotherm electrical component characteristics

Under normal circumstances, the actual static characteristic output of a sensor is a curve rather than a straight line. In practical applications, to enable instruments to have uniformly scaled readings, a fitted straight line is often used to approximately represent the actual characteristic curve. Linearity (non-linear error) is a performance indicator of this degree of approximation. There are various methods for selecting the fitted straight line. For example, the theoretical straight line connecting the zero input and full-scale output points can be used as the fitted line; or the theoretical straight line that minimizes the sum of squared deviations from all points on the characteristic curve can be used, known as the least squares fitted line.

Danotherm electrical component principle

Photoelectric sensors achieve control by converting changes in light intensity into changes in electrical signals. Generally, a photoelectric sensor consists of three parts: a transmitter, a receiver, and a detection circuit. The transmitter emits a light beam towards the target. The emitted light beam usually originates from semiconductor light sources, such as Light Emitting Diodes (LED), laser diodes, and infrared emitting diodes. The light beam is emitted continuously, or the pulse width is modulated. The receiver consists of photodiodes, phototransistors, and photocells. Optical components such as lenses and apertures are installed in front of the receiver. Behind it is the detection circuit, which filters out valid signals and applies them.

Danotherm electrical component principle

LCD is a display that uses liquid crystal as the material. Liquid crystals are a class of organic compounds intermediate between solid and liquid states. At room temperature, they exhibit both the fluidity of liquids and the optical anisotropy of crystals. They become a transparent liquid when heated and a crystalline opaque solid when cooled. Under the influence of an electric field, the arrangement of liquid crystal molecules changes, thereby affecting the intensity of incident light passing through the liquid crystal. This change in light intensity is further manifested as a change in brightness through the action of polarizers. Accordingly, controlling the electric field of the liquid crystal allows for brightness modulation, achieving the purpose of information display. Therefore, the function of liquid crystal material is similar to that of small "light valves." Since control circuits and driver circuits exist around the liquid crystal material, when electrodes in the LCD generate an electric field, the liquid crystal molecules twist, causing regular refraction of the light passing through them (optical rotation of the liquid crystal material), which is then filtered by a second polarizer and displayed on the screen. It is worth noting that because liquid crystal material does not emit light itself, LCD displays typically require an additional light source configured for the display panel. The main light source system is called the "backlight module," in which the backlight plate is composed of fluorescent materials that emit light, primarily providing a uniform backlight source.

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