LENALIGHTING electrical components German LENALIGHTING models LENALIGHTING prices

LENALIGHTING electrical components are components that convert electrical energy into magnetic energy for storage. The structure of an inductor is similar to that of a transformer, but it has only one winding. An inductor has a certain inductance and only opposes changes in current. If the inductor is in a state with no current flowing through it, it will attempt to oppose current flow when the circuit is closed; if the inductor is in a state with current flowing through it, it will attempt to maintain the current unchanged when the circuit is opened. Inductors are also known as chokes, reactors, or dynamic reactors.

LENALIGHTING electrical components classification

1. By application: pressure-sensitive and force-sensitive sensors, position sensors, level sensors, energy consumption sensors, speed sensors, acceleration sensors, radiation sensors, thermal sensors. 2. By principle: vibration sensors, humidity-sensitive sensors, magnetic-sensitive sensors, gas-sensitive sensors, vacuum degree sensors, biological sensors, etc. 3. By output signal: (1) Analog sensors can convert the measured non-electrical quantities into analog electrical signals. (2) Digital sensors: convert the measured non-electrical quantities into digital output signals (including direct and indirect conversion). (3) Pseudo-digital sensors: convert the measured signal quantity into frequency signals or short-period signal outputs (including direct or indirect conversion). (4) Switch sensors: when a measured signal reaches a specific threshold, the sensor correspondingly outputs a set low-level or high-level signal. 4. By manufacturing process: Integrated sensors are manufactured using standard production processes for silicon-based semiconductor integrated circuits. Usually, part of the circuit used for preliminary processing of the measured signal is also integrated on the same chip. Thin-film sensors are formed by depositing thin films of corresponding sensitive materials on a dielectric substrate (base plate). When using hybrid processes, part of the circuit can also be fabricated on this substrate. Thick-film sensors are made by coating slurries of corresponding materials onto ceramic substrates, which are usually made of alumina, followed by heat treatment to form the thick film. Ceramic sensors are produced using standard ceramic processes or their variants (sol-gel, etc.). After appropriate preparatory operations, the formed components are sintered at high temperatures. There are many common characteristics between thick-film and ceramic sensor processes; in some respects, thick-film technology can be considered a variant of ceramic technology. Each process technology has its own advantages and disadvantages. Due to lower capital investment required for research, development, and production, as well as the high stability of sensor parameters, it is more reasonable to adopt ceramic and thick-film sensors. 5. By measurement objective: Physical sensors are made using the characteristic that certain physical properties of the measured substance undergo significant changes. Chemical sensors are made using sensitive elements that can convert chemical quantities such as the composition and concentration of chemical substances into electrical quantities. Biological sensors are made using various biological or biomaterial characteristics to detect and identify chemical components in living organisms. 6. By composition: (1) Basic sensors are the most fundamental single transduction devices. (2) Combined sensors are sensors composed of different single transduction devices. (3) Application-specific sensors are sensors composed of basic or combined sensors combined with other mechanisms. 15. By mode of action: They can be divided into active and passive sensors. Active sensors include action-type and reaction-type. This type of sensor can emit a certain detection signal to the measured object, detect changes produced in the measured object by the detection signal, or form a signal by producing a certain effect in the measured object by the detection signal. Those that detect changes in the detection signal are called action-type, and those that detect responses to form signals are called reaction-type. Radar and radio frequency range detectors are examples of action-type, while photoacoustic effect analysis devices and laser analyzers are examples of reaction-type. Passive sensors only receive signals generated by the measured object itself, such as infrared radiation thermometers and infrared imaging devices.

LENALIGHTING electrical component performance

The performance of fiber optic connectors primarily involves optical performance, but interchangeability, repeatability, tensile strength, temperature resistance, and mating cycles must also be considered. 1. Optical performance: The main requirements for the optical performance of fiber optic connectors are insertion loss and return loss, which are the two most basic parameters. Insertion loss, also known as connection loss, refers to the loss of effective optical power in the link caused by the introduction of the connector. The smaller the insertion loss, the better; generally, it is required to be no greater than 0.5dB. Return loss refers to the ability of the connector to suppress the reflection of optical power in the link, and its typical value should be no less than 25dB. For connectors in practical applications, the ferrule surface undergoes specialized polishing treatment, which can increase the return loss, generally not less than 45dB. 2. Interchangeability and repeatability: Fiber optic connectors are universal passive components. For the same type of fiber optic connector, they can generally be combined arbitrarily and reused multiple times, with the additional loss introduced thereby generally being less than 0.2dB. (3) Tensile strength: For finished fiber optic connectors, the tensile strength is generally required to be no less than 90N. (4) Temperature: Generally, fiber optic connectors must operate normally within a temperature range of -40oC to +70oC. (5) Mating cycles: Most fiber optic connectors in use can withstand more than l008 mating cycles.

LENALIGHTING electrical component applications

AC asynchronous motors are the most widely used among various electric motors. They are easy to use, reliable in operation, low in price, and robust in structure, but have a low power factor and difficult speed regulation. Synchronous motors are commonly used for high-capacity, low-speed prime movers. Synchronous motors not only have a high power factor, but their speed is independent of load size and depends only on the grid frequency. They operate relatively stably. DC motors are often used in applications requiring wide-range speed regulation. However, they have commutators, complex structures, high prices, difficult maintenance, and are unsuitable for harsh environments. With the development of power electronics, AC motor speed control technology is maturing, equipment prices are decreasing, and they are beginning to be applied. The maximum output mechanical power that a motor can handle under a specified duty cycle without causing overheating is called its rated power; attention must be paid to the ratings on the nameplate during use. During motor operation, care must be taken to match the load characteristics with the motor characteristics to avoid runaway or stalling. Motors can provide a wide range of power, from milliwatts to tens of megawatts. The use and control of motors are very convenient, featuring capabilities such as self-starting, acceleration, braking, reversal, and holding. Generally, when a motor's speed is regulated, its output power varies with the speed.

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