KOPOS electrical components Germany KOPOS model KOPOS price

KOPOS electrical components are a common type of low-current master control device. They utilize the collision of moving parts of production machinery to actuate their contacts, thereby making or breaking control circuits to achieve specific control objectives. Typically, such switches are used to limit the position or travel of mechanical motion, causing the moving machinery to automatically stop, reverse, change speed, or perform automatic reciprocating motion according to a specified position or travel. In electrical control systems, the role of position switches is to implement sequence control, positioning control, and detection of position status. They are used to control the travel of mechanical equipment and provide limit protection. Construction: Composed of an operating head, contact system, and housing. In actual production, limit switches are installed at predetermined positions. When a module mounted on the moving parts of the production machinery strikes the limit switch, the contacts of the limit switch actuate, achieving circuit switching. Therefore, a limit switch is an electrical device that switches circuits based on the travel position of moving parts; its operating principle is similar to that of a pushbutton. Limit switches are widely used in various machine tools and lifting machinery to control their travel and provide terminal limit protection. In elevator control circuits, limit switches are also used to control the speed of opening and closing car doors, provide automatic door opening/closing limit protection, and provide upper and lower limit protection for the car.

KOPOS electrical component principle

Electrodynamic loudspeakers, also known as moving-coil loudspeakers, are electroacoustic transducers based on the electrodynamic principle. They are the most frequently used and widespread type of loudspeaker, primarily for three reasons: 1. Electrodynamic loudspeakers have a simple structure and are easy to manufacture. They do not require significant space, resulting in low costs and enabling widespread adoption. 2. These loudspeakers can achieve excellent performance, providing a uniform frequency response in the mid-frequency range. 3. This type of loudspeaker is continuously improving. Decades of loudspeaker development history reflect continuous improvements in design, manufacturing processes, and materials, as well as performance advancements over time. Electrodynamic loudspeakers are mostly cone-shaped or dome-shaped. The structure of a cone loudspeaker can be divided into three parts: 1. The vibration system includes the diaphragm, voice coil, centering spider, and dust cap. 2. The magnetic circuit system includes the upper pole plate, pole piece, lower pole plate, and magnet. 8. The auxiliary system includes the basket, surround, terminal board, and phase plug. According to Faraday's law, when a current-carrying conductor passes through a magnetic field, it experiences an electromagnetic force. The direction conforms to Fleming's left-hand rule, with the force perpendicular to both the current and the magnetic field directions. The magnitude of the force is proportional to the current, the length of the conductor, and the magnetic flux density. When an alternating audio current is input to the voice coil, the voice coil experiences an alternating driving force, producing alternating motion. This drives the paper cone to vibrate, repeatedly pushing air to generate sound.

KOPOS electrical component principle

When the voltage applied across a varistor is below its threshold, the current flowing through it is extremely small, equivalent to a resistor with infinite resistance. In other words, when the voltage applied across it is below its threshold, it acts like a switch in the open state. When the voltage applied across a varistor exceeds its threshold, the current flowing through it surges, equivalent to a resistor with near-zero resistance. In other words, when the voltage applied across it is above its threshold, it acts like a switch in the closed state. Protection principle of surge absorbers: In the standby state, the varistor presents very high impedance (several megaohms) relative to the protected electronic components and does not affect the characteristics of the original design circuit. However, when an instantaneous surge voltage occurs (exceeding the breakdown voltage of the surge absorber), the impedance of the surge absorber drops significantly (to only a few ohms), creating a short circuit in the line. Consequently, electronic products or more expensive components are protected.

KOPOS electrical component features

Features self-diagnostic stable operating zone indication, promptly informing whether the working status is reliable; through-beam, retro-reflective, and mirror-reflective photoelectric switches all have mutual interference prevention functions and are easy to install; settings at the control end allow pre-checking whether the photoelectric switch is functioning correctly before operation. It can accept interrupt or detection commands from a computer or programmable logic controller at any time. The appropriate combination of external diagnosis and self-diagnosis enables intelligence in photoelectric switches; fast response speed allows detection of tiny objects moving at high speeds; adopts specialized integrated circuits and advanced surface mount technology, offering high reliability; small size and light weight, simple installation and debugging, and includes short-circuit protection functionality.

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