Anyang： the origin place of manufacturing solenoid in China
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ProductHyoiat has developed to be a specialist in theR&D, manufacture, import and export of highprecision hydraulic valve solenoid.
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AboutThe company has been deeply involved in the hydraulic industry for over 30 years and has accumulated rich industry experience.
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Research On Proportional solenoid Based On Magnetic Grating Magnetic Sleeve
Proportional solenoid plays an important role in modern industry, and new structural design is of great significance for improving its performance and reducing costs. Research background The magnetic isolation ring part of traditional proportional solenoid is usually welded by hand, which has problems such as high labor intensity and complex processing technology, which is not conducive to automated production. New structural design A new proportional solenoid structure based on magnetic grating magnetic sleeve is proposed, which simplifies the process, reduces costs and improves performance. Performance verification Through experimental research, the dynamic and static characteristics of the new proportional solenoid are verified, and its performance indicators such as rated stroke, output force hysteresis, current hysteresis and frequency response meet the design requirements. Proportional solenoid based on magnetic grating magnetic sleeve provides a superior performance and cost-effective solution for modern industry, which helps to promote the development of related technologies.
What about the performance of flameproof solenoid?
Flameproof solenoid is a special type of solenoid used in hazardous environments such as explosive gas or steam. Compared with ordinary solenoid, flameproof solenoid has the following characteristics. 1. Flameproof performance:Flameproof solenoid adopts special designs and materials to ensure that they will not produce sparks or arcs during use, thereby avoiding explosions or fires. 2. Corrosion performance: The external materials and internal parts of flameproof solenoid are usually made of anti-corrosion materials and stainless steel to prevent damage when used in corrosive environments. 3. High protection class: Flameproof solenoid usually has a high protection class, such as IP67 or higher, which can prevent dust, water and other impurities from entering the interior and affecting the stability and reliability of the equipment. 4. High temperature performance: Flameproof solenoid usually has high temperature resistance, because high temperature conditions may exist in some dangerous environments, such as high temperature steam. 5. Wide range of application: Flameproof solenoid can be used in many hazardous environments, such as petrochemical, coal, chemical, oil and natural gas industries. In short, flameproof solenoid is a kind of safety equipment specially designed for hazardous environments and has the characteristics of high reliability, corrosion resistance and high protection level.
Can you distinguish between proportional solenoid and ordinary solenoid?
1. Proportional solenoids can produce different magnetic field strengths depending on the magnitude of the input current, while ordinary solenoids can only produce a fixed magnetic field strength. 2. Proportional solenoids are often used in applications that require precise control of the strength of magnetic fields, such as precision instruments and medical devices. Ordinary solenoids are commonly used in industrial automation, control and electronic equipment. 3. the characteristics of the two are different: (1) The characteristics of proportional valve: the electrical signal is easy to transmit, and the remote control can be easily realized; It can continuously and proportionally control the pressure and flow of the hydraulic system, realize the control of the position, speed and force of the actuator, and reduce the impact when the pressure changes; The number of components is reduced and the oil circuit is simplified. (2) The characteristics of ordinary valves (i.e., ordinary hydraulic valves): flexible action, reliable action, small impact and vibration during work, low noise, and long service life; When the fluid passes through the hydraulic valve, the pressure loss is small; When the valve port is closed, the sealing performance is good, the internal leakage is small, and there is no external leakage; The controlled parameters (pressure or flow rate) are stable and vary little when subjected to external disturbances. 4. The use of the two is different: (1) The use of proportional valves: proportional valves are composed of two parts: DC proportional solenoids and hydraulic valves, the core of proportional valves to achieve continuous control is the use of proportional solenoids, there are many kinds of proportional solenoids, but the working principle is basically the same, they are developed according to the control needs of proportional valves. (2) The use of ordinary valves: controlled by the pressure oil of the pressure distribution valve, it is usually used in combination with the electromagnetic pressure distribution valve, and can be used to control the on/off of the oil, gas and water pipeline system of the hydropower station from a distance. It is often used in clamping, control, lubrication and other oil circuits.
The difference of flameproof and intrinsically safe
If an explosion occurs, the flameproof will isolate the energy of the explosion inside and cannot cause an explosion outside the shell, which is to prevent explosions. Flameproof requires that the shell must have sufficient strength, and each shell joint surface must have a long enough length and a small enough gap to ensure that internal explosions will not pass through the flameproof joint surfaces and cause an explosion in the external environment. Intrinsically safe type is a safety technology that uses suppression of ignition source energy as an explosion-proof method. It limits the energy that electromagnets may generate to ignite arcs, sparks or high temperatures that ignite explosive mixtures, thereby allowing the electromagnets to operate normally or under approved overload and fault conditions. Neither can ignite surrounding explosive mixtures.
What is intrinsically safe explosion protection?
Hyoat Magnet has been making unremitting efforts to research and produce explosion-proof products to cope with various situations. Today we will mainly learn about the related technologies of intrinsically safe explosion-proof. Intrinsically safe explosion-proof means that the explosion-proof performance of electrical equipment installed in isolated dangerous places meets the requirements of intrinsically safe explosion-proof. This is the classical concept of intrinsically safe explosion-proof. The modern concept of intrinsically safe explosion-proof means that the explosion-proof performance of the entire automation system meets the intrinsically safe explosion-proof requirements. Intrinsically safe explosion-proof has better explosion-proof performance. In principle, it is suitable for all dangerous places and all explosive gases. Its safety performance does not change over time, and it is easy to maintain and can be repaired and adjusted during operation.
What should we pay attention to when using flameproof solenoids?
First of all, before installing the flameproof solenoids, check whether there is an explosion-proof mark. To check the power supply and voltage, make sure they are consistent with the nameplate marks. AC coils cannot be energized without load. Since the coil is equipped with an overcurrent protection device, when energized with no load, the current will increase several times, and the overcurrent protection will take effect instantly. , causing a short circuit in the coil. In addition, there is an overvoltage protection device in the coil. When the operating voltage exceeds more than 20% of the rated voltage, the protection device will operate, resulting in a permanent short circuit in the coil.
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