소식
AC-DC 전원 공급 장치 제조업체를 선택하는 시기와 AC-DC 전원 공급 장치를 선택하면 어떤 이점이 있습니까?
저자： ZYG 전원 모듈 Time： 2022-9-14
AC DC Power Module Filling Requirements
Potting and sealing of AC DC power modules is very important. This process involves not only the protection of AC and DC power modules (waterproof, moisture-proof, dust-proof, anti-corrosion, etc.), but also the thermal design of AC and DC power modules.
Power module potting materials are generally divided into three categories: epoxy resin, polyurethane, and silicone rubber
Due to the hardness of epoxy resin, it cannot be used for stress-sensitive and module packaging and SMT components, so it is basically eliminated in module power supplies. But epoxy resins are also used in cost-critical micropower power supplies due to their low cost. Some domestic bad power supply manufacturers also use this epoxy resin for AC and DC power supply modules, but due to stress problems, the failure rate of this power supply is very high, and buyers are very distressed.
At present, most of the power modules are sealed with molded silicone. For the convenience of operation, the ratio of 1:1 is usually adopted. When designing for AC and DC power modules, attention should be paid to their thermal conductivity. However, the adhesion is not very strong, so a substrate coating can be used to improve sealing.
Polyurethane has been used in China for a period of time, but due to its high hardness, inconvenient maintenance, and the price of silicone rubber, polyurethane is not cost-effective. There is basically no domestic application of it.
Special attention should be paid to thermal conductivity in relation to thermal design. Generally speaking, a thermal conductivity of 0.5w/M·K is defined as high thermal conductivity, and a thermal conductivity greater than 1 is defined as very high thermal conductivity.
The power module is such a highly integrated small and medium-sized switching power supply. In recent years, with the development trend of high and new technology, it has been widely used in industrial electrical, power supply system, instrumentation, urban rail, intelligent security, new energy technology, communication, automation technology and intelligent system industry.
Make sure to type the source type first
The power module can input AC current or AC current. Normally, the FH/DC power module selects AC current input, and the DC/DC power module selects AC input. The high-cubic FH-DC power module can also be used normally under the DC input working voltage standard.
Type in the operating voltage category to select
After confirming the input source, the input working voltage can refer to the manufacturer’s motor selection structure. The communication keys are basically 120V, 230V, 220V. Now FH/DC power modules usually consider 86~265VAC or 150~370VDC types, and 220V also consider 230V types, but the probability of application at 230V will be much worse, and the DC keys are basically 5V~76V.
Select the package type of the item
Product package types include single in-line SIP package, small and medium vertical bare board, dual in-line ultra-small DIP package and rail package. The bare board is composed of a PCB circuit board and various components. It is completely exposed and not very safe, but the cost is low.
DIP packaging is usually strongly recommended. Although it is expensive to lose, it has the characteristics of potting packaging, safety protection, good heat dissipation characteristics of heat pipes, anti-freezing, moisture-proof and stable characteristics. must be selected on a case-by-case basis.
Select the output power of the goods according to the load size
When selecting the output power of the power module, it is usually strongly recommended to reserve the capacity, and the output power of the application is between 30 and 90% of the actual output power. The capacity is large and there are noise problems when working at high frequencies.
관련 정보
-
2024-1-1
AC Power Supply Module: Ensuring Efficient and Reliable Electrical Power
In today's modern world, electrical power is the lifeblood of our daily lives. It powers our homes, workplaces, and industries, enabling us to use various appliances and devices. However, to ensure the efficient and reliable delivery of electrical power, an AC power supply module plays a crucial role. This article will explore the importance of AC power supply modules and how they contribute to the efficiency and reliability of electrical power. Efficiency of AC Power Supply Modules: AC power supply modules are designed to convert alternating current (AC) into low-voltage direct current (DC) power, which is suitable for powering electronic devices. One of the key factors determining the efficiency of these modules is their power conversion efficiency. This refers to...
세부 정보보기 -
2023-12-4
High Voltage Power Supply Module: Boost Your Electrical Potential
In today's rapidly advancing technological world, the demand for high voltage power supply modules has grown significantly. These modules play a crucial role in many applications, including scientific research, industrial processes, and medical equipment. With their ability to generate and regulate high voltages, they have become an indispensable component in various fields. This article aims to explore the features, applications, and benefits of high voltage power supply modules while highlighting their importance in powering electrical systems. Features of High Voltage Power Supply Modules High voltage power supply modules are known for their numerous features that make them ideal for a wide range of applications. One of the primary features is their ability to generate high voltages, typically ranging from a...
세부 정보보기 -
2023-4-27
Title: Industrial AC-DC Converter for Efficient Power Conversion
Industrial AC-DC converters play an essential role in power electronics as they convert alternating current (AC) to direct current (DC). These converters are widely used in various applications such as power supplies for computers, telecommunication equipment, and other electronic devices. The development of industrial AC-DC converters aims to ensure efficient power conversion, reliability, and safety.One of the primary challenges in designing industrial AC-DC converters is to ensure high efficiency. Efficiency refers to the ratio between the output power and the input power. The efficiency of AC-DC converters is critical as it affects the power loss and heat generation within the system. High-efficiency converters can reduce energy consumption and operating costs.To improve efficiency, designers use advanced techniques such as soft switching,...
세부 정보보기 -
2023-10-20
Highly Efficient and Customizable: Introducing the 850-Watt Modular Power Supply
As technology is constantly evolving, it is crucial to have a reliable and efficient power supply for our electronic devices. That's why we are thrilled to introduce the all-new 850-watt modular power supply, designed to meet the demanding power needs of modern systems while offering customization options to suit your specific requirements. Efficiency is at the core of this power supply. With an 80 Plus Gold certification, it delivers up to 90% energy efficiency, minimizing energy waste and reducing your electricity bills. Not only does this benefit you financially, but it also contributes to a greener environment by reducing carbon emissions. One of the standout features of this power supply is its modular design. Traditional power supplies come with a...
세부 정보보기 -
2023-8-21
High quality AC/DC Power Supply Module: Revolutionizing Electrical Systems
Introduction From powering our homes to fueling industries, the importance of a stable and reliable power supply cannot be overstated. One crucial component that has revolutionized electrical systems is the AC/DC power supply module. This article aims to delve into the workings and significance of this module in our daily lives. Understanding the AC/DC Power Supply Module The AC/DC power supply module is an electronic device that converts alternating current (AC) into direct current (DC). It acts as a bridge between the mains power supply and the electrical equipment, ensuring a smooth and continuous flow of power. This module is commonly used in a wide range of devices, including computers, televisions, smartphones, and industrial machinery. Working Principle The AC/DC power...
세부 정보보기 -
2023-5-9
Designing an Efficient Industrial AC-DC Converter
In modern industrial applications, AC-DC converters play a significant role in transforming electrical power between different voltage levels and frequencies. These converters are essential for powering a wide range of devices, from small electronic circuits to heavy machinery. With the increasing demand for more efficient and reliable power supplies, it is essential to design AC-DC converters that can meet the requirements of industrial applications. The efficiency of an AC-DC converter is a critical factor that determines its performance. Higher efficiency means that less power is dissipated as heat, resulting in lower operating temperatures and longer device lifetimes. To achieve high efficiency, designers must consider several factors, including power factor correction, switching frequency, and topology. Power factor correction (PFC) is a...
세부 정보보기