tsubaki electrical components Germany tsubaki model tsubaki price

tsubaki electrical components refer to an electronic component that can open a circuit, interrupt current flow, or direct it to another circuit. The most common switches are electromechanical devices operated by humans, featuring one or more electrical contacts. "Closed" contacts indicate that the electrical contact is conductive, allowing current to flow; "open" switch status indicates that the electrical contact is non-conductive, forming an open circuit and preventing current flow. The simplest switch consists of two metal pieces called "contacts"; when the two contacts touch, they complete the current loop, and when they do not touch, the current path is open. When selecting contact metals, their corrosion resistance must be considered, as most metals form insulating oxides after oxidation, preventing the contacts from functioning properly. Selection of contact metal also requires consideration of factors such as electrical conductivity, hardness, mechanical strength, cost, and toxicity. Contacts are sometimes plated with corrosion-resistant metals. Plating is generally applied to the contact surface to prevent performance degradation due to oxides. Sometimes non-metallic conductive materials, such as conductive plastics, are used for the contact surface. In addition to contacts, switches contain movable parts that make or break the contact connection. Switches can be classified into toggle switches, pushbutton switches, rocker switches, etc., based on the type of movable part, and the movable part can also be other types of mechanical linkages.

tsubaki electrical component structure

Common electrodynamic cone loudspeakers. Electrodynamic cone loudspeakers were formerly known as paper cone loudspeakers; although the diaphragm is still primarily made of paper cone, many polymer diaphragms and metal diaphragms have appeared, making the term cone loudspeaker more accurate. Cone paper loudspeakers mainly consist of three parts: the magnetic circuit system (permanent magnet, pole piece, magnetic plate), the vibration system (paper cone, voice coil), and the support auxiliary system (spider, basket, surround). 1. Voice coil: The voice coil is the drive unit of the cone paper loudspeaker. It is made of very fine copper wire wound in two layers around a paper tube, typically with dozens of turns, also known as a coil, and is placed in the magnetic gap formed by the magnetic pole piece and the magnetic plate. The voice coil is fixed to the paper cone; when an audio current signal is applied to the voice coil, the vibration of the voice coil drives the paper cone to vibrate. 2. Paper cone: There are many types of materials used for the cone diaphragm of cone paper loudspeakers, generally divided into natural fibers and synthetic fibers. Natural fibers often include cotton, wood, wool, silk, etc., while synthetic fibers include rayon, nylon, fiberglass, etc. As the paper cone is the sound radiation element of the loudspeaker, it largely determines the acoustic performance of the loudspeaker. Therefore, regardless of the type of paper cone, it must be lightweight and rigid, and must not deform due to changes in ambient temperature or humidity. 3. Surround: The surround is designed to ensure axial movement of the paper cone along the loudspeaker axis and restrict lateral movement, while also blocking air flow between the front and rear of the paper cone. In addition to materials commonly used for paper cones, surrounds use plastics, natural rubber, etc., which are thermally bonded to the paper cone. 10. Spider: The spider supports the junction of the voice coil and the paper cone, ensuring it remains vertical and not skewed. The spider has many concentric rings, allowing the voice coil to move freely up and down in the magnetic gap without lateral movement, ensuring the voice coil does not touch the magnetic plate. The dust cap on the spider prevents external dust from entering the magnetic gap, avoiding friction between dust and the voice coil, which could cause abnormal sounds from the loudspeaker. A typical loudspeaker consists of a magnet, frame, spider, molded surround, and cone paper cone.

tsubaki electrical component classification

1, fuse resistors: Also known as fusable resistors, they serve the dual function of a resistor and a fuse under normal conditions. When a circuit fault causes power to exceed the rated power, they blow like a fuse, disconnecting the connected circuit. Fuse resistors generally have low resistance values and low power ratings. 12, sensitive resistors: Refer to resistors whose resistance value is sensitive to certain physical quantities (such as temperature, humidity, light, voltage, mechanical force, and gas concentration). When these physical quantities change, the resistance value of the sensitive resistor changes accordingly, presenting different resistance values. Based on sensitivity to different physical quantities, sensitive resistors can be classified into thermistors, humidity-sensitive resistors, photoresistors, varistors, force-sensitive resistors, magnetoresistors, and gas-sensitive resistors. The materials used for sensitive resistors are almost all semiconductor materials, so these resistors are also called semiconductor resistors. The resistance of a thermistor changes with temperature; a negative temperature coefficient thermistor decreases in resistance as temperature rises. Negative temperature coefficient thermistors are widely used and can be further divided into standard NTC thermistors, voltage-stabilizing NTC thermistors, and temperature-measuring NTC thermistors. The resistance of a photoresistor changes with the intensity of incident light; when incident light increases, the resistance of the photoresistor decreases, and when incident light weakens, the resistance value increases.

tsubaki electrical component classification

Based on the working power supply of the motor, motors can be divided into DC motors and AC motors. AC motors are further divided into single-phase motors and three-phase motors. Motors can be classified into DC motors, asynchronous motors, and synchronous motors based on structure and operating principle. Synchronous motors can be further divided into permanent magnet synchronous motors, reluctance synchronous motors, and hysteresis synchronous motors. Asynchronous motors can be divided into induction motors and AC commutator motors. Induction motors include three-phase asynchronous motors, single-phase asynchronous motors, and shaded-pole asynchronous motors. AC commutator motors include single-phase series-wound motors, universal motors, and repulsion motors. Motors can be classified by starting and running method into capacitor-start single-phase asynchronous motors, capacitor-run single-phase asynchronous motors, capacitor-start-run single-phase asynchronous motors, and split-phase single-phase asynchronous motors. Motors can be classified by application into drive motors and control motors. Drive motors include motors for power tools, motors for home appliances, and motors for other general small mechanical equipment. Control motors include stepper motors and servo motors. Motors can be classified by rotor structure into squirrel-cage induction motors and wound-rotor induction motors. Motors can be classified by operating speed into high-speed motors, low-speed motors, constant-speed motors, and variable-speed motors.

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