Overview of waterproof power adapters A waterproof power adapter is power supply designed to operate normally in wet or aquatic environment. Its working principle is essentially the same as that of an AC/DC power adapter, the primary difference being that it incorporates speical waterproof designs and materials,which can effectively prevent the infiuence of wet environment inside the power supply. Special waterproof isolation treatments are applied inside the waterproof power supply, and a special waterproof coating is applied to the circuit board within the  power adapter. This paint can resist moisture and corrosion well, and prevent the circuit panel from being damp, so as to ensure the reliability and safety of the power supply. The shell of the waterproof power adapter adopts a special waterproof design, and its internal sealing design, through the rubber ring, silicone and other sealant, effectively prevent the entry of water.   Advantages of waterproof power adapter  1) 

Switch Power Supply  Switch power supply is a high-frequency power conversion device, but also a power supply. Switching power supplies can also be referred to as switch mode power supply, switching converters and switching power supplies. Its function is to convert the level voltage into the voltage or current required by the client through different forms of architecture. The input of the switching power supply is mostly AC power supply or DC power supply, and the output is mostly a device that requires DC power supply. The switching power supply converts voltage and current between the two.     Working principle of switching power supply The working principle of the switching power supply is to make the power transistor work in the on-off and off-off states, in these two states, the voltammetry added to the power transistor is very small (in the on-off, low voltage, large current; When turned off, the high voltage (low current)/volt-ampere product on the power device is the loss generated on the power semiconductor device. Switching power supplies can be divided into AC/DC and DC/DC two categories. Switching power supply work to

AC/DC power adapter is a power conversion device, which can convert AC power into direct current required by the equipment, and has the advantages of high efficiency, environmental protection, safety and reliability. The AC/DC power adapter produced by KELIC is simple and elegant in appearance, and uses high-quality materials to make the housing, and has good protection performance. We have a special power adapter also added waterproof power supply design, the material is also used in a more durable waterproof way to meet the different needs of different scenarios; Adapter plugs and sockets are carefully designed to be securely connected.   The Working Principle Of Desktop Power Adapter  The dc power adapter can be divided into two types according to the link method, which are wall mount power adapter and desktop power adapters. Today, the desktop power adapter is for an understanding. First of all, the desktop power adapter has a plug and a converter, wherein the converter is used to convert the power supply into the voltage and current suitable for the device, and the plug is connected to the power plug; Th

Switched-Mode Power Supply A switched-mode power supply (SMPS), also called switching-mode power supply. Just as its name implies，Switched-Mode Power Supply is a device that turns voltage and current on or off. Switched-mode power supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, a SMPS transfers power from DC or AC source to DC loads。 Unlike a linear power supply, the switching power supplies have the advantages of small size, light weight, high efficiency, and strong stability. These advantages make them an indispensable "power source" for modern electronic devices. Home appliances such as televisions, audio equipment, refrigerators, and air conditioners are also inseparable from switching power supplies. Of course, in the field of industrial automation, switching power supplies provide stable power support for industrial robots, and automated production lines, improving production efficiency and quality. Power Adapter An Power adapter or AC/DC adapter, also called a wall charger, power adapter, is a type of external power supply, often enclosed in a

  The power adapter is one of the common electronic devices in our daily life. Its main role is to convert alternating current into direct current for various electronic devices. Its power is generally determined by three elements: input voltage, output voltage and output current. A high-power power adapter is an electronic device that converts alternating current into direct current, and is usually used in devices that require high power, stable and reliable power supply. Its working principle mainly involves the transformer converting the high-voltage in the alternating current to the required low-voltage through the principle of electromagnetic induction, the rectifier converting the alternating current into direct current, and then the filter removing the ripple in the direct current to make the current smoother. Finally, the voltage stabilizer stabilizes the output voltage to ensure that the output voltage meets the requirements of the device and protects the device from the influence of voltage fluctuations.  

1.Avoid Mixing Power Adapter of Different Power Power adapters from different brands may have the same interface shape to be interchangeable. However, the power outputs, as well as some current and voltage standards may be different，which may damage the device. In terms of current, the maximum current that the power adapter can provide should be greater than or equal to the device's requirements. Generally, the power requirements of the device should match or be slightly lower than the output power of the dc power adapter. If the output power of the dc adapter is less than the device's requirement, the device may not work properly, or its performance may be unstable, and it may even damaged the device. In addition, using a power adapter with a mismatched output power may pose a safety hazard.  

With the development of science and technology, we are using more and more electronic products. Many of these products require AC/DC Power Adapters, which serve as a bridge between electronic devices and power grid. If the users uses the dc power adapter incorrectly or do not maintained properly, it will not only directly affect the lifespan of the power adapter but also lead to accidents. Therefore, its stability and durability is crucial to users.         Common causes of power adapter damage Overload use: Long time operation under high load will lead to overheating of internal components, and easy to damage. Avoid using beyond the rated power range. Voltage instability: Large voltage fluctuations or instability can damage the internal circuit. In areas where the voltage is unstable, use an ac dc adapter with a voltage regulator or a Uninterrupted Power Supply. Environmental factors: High temperature, humidity and dust will accelerate the aging of components. Keep the adapter in a clean and dry environment. Product quality: Inferior power adapters have defects in design and manufacture and are more prone to damage. Purchase from regular brands and channels.

As an important accessory for electronic devices, the use of ac/dc power adapter is a very common thing in our daily life, whether at home, office or in travel, we all need power adapters to provide power for our mobile phones, laptops, tablets, cameras and other devices.We've also heard about fires caused by power adapters,the dc power adapter is directly connected to the switch power supply system, and has a certain current, voltage, power and other potential dangers, so the correct use and maintenance is directly related to the performance of the equipment and the safety of the user. Therefore, when using the power adapter, you must pay attention to some safety matters to prevent the occurrence of fire, electric shock, equipment damage and other problems.   Choose a Proper Power Adapter The demand for power adapters on the market is growing, and it is inevitable that there will be fake cottage power adapters, their quality is poor, the price is not high, there will be some consumers bought by mistake. We can distinguish them from the following observations: Check the appearance of the power adapter, the original formal power adapter shell manufacturing proces

In daily life, people's health consciousness has become increasingly high, water is an indispensable energy material so in order to water safety and purity, water purifier has become a necessary appliance for every family. Water purifier can be safe and stable behind the operation of the presence of waterproof power adapter is certainly essential, it plays a key role, then this article will help you understand the water purifier power adapter and how to select the right water purifier charger.   The working principle of water clarifier power adapter The increase pump in the water purifier generally requires the power supply to be 24V/36V, and the input mains power is 220V, so a power adapter is required as a transformer to convert the input AC power to the appropriate direct current required by the water purifier. The working principle is as follows. Rectifier: first receive 220V AC, through the rectifier converted to pulsating DC; Filtering: reduces the ripple in the DC power with the purpose of obtaining a smoother DC power; Voltage conversion: DC into the transformer after the voltage will be reduced to 24V or 36V to adapt to the needs of the water purifier;

With the popularity of electronic equipment, the power adapter has become an indispensable part of our lives, the ac/dc power adapter as a key component of electronic products, although it is only a small device but the security risk behind it is not small, so its security stability and reliability is crucial to protect consumers and equipment. Worldwide, power adapters must pass a series of safety certifications to ensure that they meet international and regional safety standards.   Why do you need security certification? 1. The first is to protect the safety of consumer users: safety certification can ensure that the dc power adapter follows strict safety standards in the design and manufacturing process, thereby reducing the risk of fire or electric shock caused by overheating, short circuit and other failures, and protecting the property and personal safety of consumer users. 2. Ensure product quality: the certification body will supervise the production process of the power adapter to ensure that the manufacturer is produced in accordance with the standard, so the certified products have been strictly tested and meet the requirements of specific quality and performance certification standards, which means that the product has higher reliability and stability. 3.

How the AC/DC Power Adapter works and the reason of heat The power adapter serves as an intermediary device between the power grid and electronic devices, primarily responsible for converting alternating current (AC) to direct current (DC). It supplies power to electronic devices either through a charging cable or by direct connection. During operation, the adapter typically emits a faint buzzing sound and generates heat. This phenomenon is attributed to the energy consumption of internal electronic components such as transformers and capacitors during the transmission and conversion of electrical energy. Therefore, it is not surprising that some degree of heat generation occurs during normal use.   Is it okay for an adapter to get hot? In practice, if the ac/dc power adaptor complies with international safety standards and is used within its normal operating parameters, cooling measures are generally unnecessary. If you feel that the temperature of the dc power adapter is excessively high, it is advisable to change the heat dissipation environment. Avoid using the dc adapter in environments with excessively high temperatures or confined spaces, and consider reducing its operational load.    Although the heat generated by the power adapter under

In today's society, electronic equipment has become a part of our lives, and the dc power adapter as a power supply equipment for electronic products is also indispensable, the ac/dc power adapter is divided into two types of power adapter for desktop and wall mount power adapter according to the connection method. A wall mount power adapter can also be called a plug-in wall power adapter, which, as the name suggests, is a power conversion device that directly plugs into a wall socket to convert alternating current into the direct current required by the device.     Wall Mount Power Adapter Advantages  1) Compact and portable: The compact design of the wall-mounted power adapter is small in size and light in weight, so it has the characteristics of easy to carry, whether it is at home or out of the house, it is very convenient, neither takes up a lot of space nor has a great weight burden. 2) Neat and beautiful: Due to its wall-mounted design, the product can be installed directly on the wall, so that the scene of

In the field of communications, how do communications equipment stabilise with a power supply to maintain its normal use, such as software and communication channels? Switching power supplies are widely used in these communication systems by communication equipment manufacturers and carriers due to their high efficiency and reliability. The following article describes the specific applications in the field of communication and the advantages and characteristics of switching power supplies in the field of communication.   Applications in the field of communications Communication base station : As a key component of the communication network, the communication base station is like a solid fortress that escorts the transmission of information at all times. And this important position requires a continuous and powerful power supply. The switching power supply is like a right-hand man, with its high efficiency, high reliability and wide input voltage range and other significant advantages, perfectly suited to the power needs of communication base stations. It is like the power source of communication

Under our proprietary brand KELIC, we offer innovative and reliable power solutions, while also providing OEM and ODM services to meet the needs of different customers. At the same time, our dc power adapter have passed the relevant safety certification, for example ETL, FCC, GS, CE, CB, BSMI, CCC, CQC, SAA, KC .So there is a certain guarantee in terms of quality.    BSMI (Bureau of StandardsMetrology and Inspection) BSIM certification is the "Bureau of Standards, Metrology and Inspection" certification, which is a product certification system in Taiwan. The certification system is implemented by Taiwan's Standards, Metrology, Inspection and Quarantine Agency. BSMI certification mainly includes product safety, electromagnetic compatibility and other aspects of the test and evaluation. Electromagnetic Compatibility (EMC) and SAFETY (SAFETY) are the two core test items. Electromagnetic compatibility mainly examines whether electronic products can operate stably in a specific environment, without excessive interference, and without posing a threat to other devices or systems. The safety is more concerned about whether the design and manufacturing of the product itself is ergonomic, and whether it can ensure the safety of the user in the process of use.Products can only be sold and used in the Taiwan market after they have been tested and meet the relevant standards. This certification is not only the inspection of product quality, but also the adhere

In the vast arena of industrial automation, a stable and reliable Industrial Power Supply is the key to ensuring the smooth running of production processes. Our switch mode power supply developed and manufactured by Kelic are specially designed for industrial automation to meet your demanding power requirements. The following is an introduction to some of the features and advantages of our switching power supply.       First, excellent anti-interference ability Because the industrial environment is complex and changeable, and electromagnetic interference is everywhere. In order to solve and overcome this problem, our team prepared a variety of different solutions during research and development, and finally we chose to use advanced anti-interference technology, because this technology can effectively resist electromagnetic interference from the motor, frequency converter and other equipment to ensure that you provide pure and stable power for your automation control system. No matter how much electromagnetic interference exists in your plant, our switching power supply can be as stable as Tazan to ensure the normal operation of equipment.  

The power supply can be divided into two linear power supplies and switching power supplies according to the working principle, and the following is a brief introduction to the two power supplies.   Linear Power Supply The linear power supply is designed so that it uses a transformer to bring down the input voltage. Then, the voltage is made into direct current by rectifying it. After that, this direct current voltage is filtered to make the waveform nicer. Linear power supplies use linear regulators to keep the output voltage constant. These linear regulators get rid of any extra energy by making heat.   Switching Power Supply The design of a switching power supply is a newer way that came about to deal with a lot of the problems with linear power supply design, like transformer size and voltage regulation. In switching power supply designs, the input voltage isn't reduced in the usual way. Instead, it's rectified and filtered at the input. Then, the voltage goes through a chopper thing that turns it into a high-frequency pulse train. Before it gets to the output, the voltage is filtered and rectified again.  

In the electronic devices, industrial power supply play a vital role as power supply equipment. It converts AC power into stable DC power and provides reliable power for various electronic devices. And choosing a suitable industrial power supply is an important device to ensure the stable operation of electronic equipment. There are so many industrial power supplies on the market, so how to choose a right industrial power supply? Here are some tips: First, it is necessary to understand the power needs of your industrial equipment. Make sure the industrial power supply you’re reviewing can deliver the required voltage and current levels for the machinery it will power without overloading or underpowering it. This extends beyond pure voltage and current aspects and into other power-related specifications that should be noted by the machinery’s original equipment manufacturer. A critical aspect of power supplies is that they maintain a consistent output voltage even if the input voltage fluctuates. The stability of voltage delivered by an industrial power supply is key to preventing equipment malfunctions and data loss. As with nearly every any other critical piece of equipment in your facility, power supplies are now capable of being remotely monitored to assess their operating status and prevent unexpected downtime. An inadequate or excessive power supply can lead to inefficiencies, equipment malfunction, or even damage. It is advisable to calculate the power requirements precisely and factor in 25 percent for spare capacity and optimal performance. For loads with large current at startup, such as

The constant current power supply is a type of power device that can provide a stable current output, regardless of load changes, input voltage fluctuations, or other external environmental changes. The constant current power supply can ensure that the output current value remains unchanged. It keeps the output current constant by controlling the output voltage.A constant current power supply can provide a stable current output within its normal operating range (i.e., when the load resistance is less than a certain critical value and the output voltage of the power supply has not reached its upper limit). This stable output current value is limited by a safety upper limit (set value) to prevent overcurrent damage to the equipment.   The working principle of a constant current power supply Modern desktop power supplies typically monitor the output and can determine in real time how much current is being drawn by the load. For a normal voltage source, when the load resistance is reduced, it can lead to a sharp increase in current, which may damage the load. In contrast, a constant current power supply uses its internal feedback control loop to actively reduce the output voltage when it detects an upward trend in current. This way, the current is precisely maintained at its set value, thereby avoiding the risk of uncontrolled current flow. In this mode, the power supply automatically adjusts its output voltage to ensure that the current remains at the set value. This is typically achieved through a feedback control loop, where

Whether you’re going camping, taking a road trip, or just need some place cool to store your groceries, portable car refrigerators are relatively affordable and extremely handy to keep in your electric vehicle. Most car refrigerators are not charged by electricity, but are connected to the car's power supply to work. So the operation of the car refrigerator cannot do without a power adapter. But how to choose a suitable power adapter for the car refrigerator? Here are some tips: 1. Choosing the right power option not only ensures stable operation but also maintains food and beverage freshness in environments without reliable power sources. Car refrigerators typically support multiple power options, including 12V or 24V DC from vehicle batteries, AC adapters for household power, and some models even have compatibility with solar panels for recharging. It is recommended to use a power adapter or converter that matches the vehicle battery voltage to power the car refrigerator. Most car refrigerators on the market now are designed to operate on 12V/24V DC. If you have a 12V vehicle, it is a wise choice to choose a 12V car refrigerator and power cord. If your vehicle is a 24V system, you should also choose the 24V car refrigerator. 2. The current requirement of an ordinary car refrigerator is usually between 5 and 10 amps. The specific value will depend on its size, capacity, operating environment, etc. For example, if you plan to use the car refrigerator for a long time, it i

Wall Mount Power Adapter DC Power adapter are divided into wall mount power adapter and desktop power adapter. The main difference between a desktop power adapter and a wall power adapter is that the power adapter for desktop needs to be connected to the AC power cord of the host. A wall power adapter is a power adapter whose body can be plugged directly into a socket. A wall-mounted power adapter plugs into a standard wall outlet and converts alternating current from the wall outlet to the direct current required and suitable for the device. How a Wall Mount Power Adapter Works The working principle of the wall-mounted adapter is to rectify and regulate the input AC power, and convert the output to the direct current required by the equipment, specifically including the following steps: 1） Input and voltage rectification: The power adapter receives alternating current from the socket through a rectifier circuit. The circuit typically contain

Gallium nitride (GaN) is a crystal-like semiconductor material with special properties. The compound is a very hard material that has a Wurtzite crystal structure. GaN can be used to make semiconductor devices such as diodes and transistors. GaN has been used in electronics for decades, starting with LEDs in the 1990s, where it was used to emit light to TVs and computer displays before later finding its way into solar panels, where it was used to convert light into electricity. Now GaN has found its way into transistors and is replacing the industry's previous favorite semiconductor material - silicon. Traditionally, the most common material used in semiconductor production has been Silicon (Si) due to its abundance and affordability. However, semiconductor manufacturers can use many other materials. Plus, most of them afford additional benefits, such as Silicon Carbide (SiC), Gallium Arsenide (GaAs), and Gallium Nitride (GaN). Out of these potential materials, Gallium Nitride is becoming widely recognized and preferred. What is a transistor, and why is GaN better? A tra

With the growing global demand for green energy and sustainable transport solutions, the e-bike industry has ushered in a period of rapid development. With the popularity and application of e-bikes, the prevalence of charging equipment as an indispensable support for e-bikes has also become a focus of consumer attention. Therefore, the e-bike charger industry has ushered in the expansion of the market and new opportunities. The following takes you to understand some relevant information about e-bike chargers to help you better choose the right power adapter.     The main role of the e-bike charger is to convert the input alternating current (AC) output to the required direct current (DC) for the device, which ensures that the battery of the e-bike can be safely and stably and efficiently restored to power, so that the performance of the charger is good or bad, which can have a direct impact on the charging efficiency of the battery service life as well as the use of safety.   Simply summarize the working principle of the e-bike charger is in fact to convert AC power into DC power required by the device with most of the working principle of the power adapt

Power supply is to provide the necessary energy to operate equipment and mechanical equipment, but also an important part of the electrical and electronic systems, for the equipment to choose the right power supply is very important, because the power supply is to a certain extent to ensure that the equipment used to ensure the best performance and service life. In order to allow you to choose the most appropriate power supply, this article briefly describes outlines three different types of power supplies which are linear power supply, switch mode power supply (SMPS) and uninterruptible power supply (UPS).     Switch Mode Power Supply (SMPS)    Switching power supplies can also be called switching mode power supplies (SMPS), switching power supplies and switching converters, is an electronic device and an electronic power supply that contains a switching regulator so that it can effectively convert power, switching power is usually converted from input alternating current to output direct current. The basic working principle of the switching power supply is to convert the input DC voltage into high frequency pulse voltage by controlling the opening and closing of th

Power adapter as an important part of electronic equipment, its function is to convert one form of power supply into another form of power supply, in order to meet the operating needs of the equipment. The most common AC/DC power adapter in daily life works by converting alternating current into direct current required by the equipment.   Wall Mount Power Adapter The working principle of the wall mount power adapter is to convert alternating current into direct current. Wall mount power supply is usually installed on the wall or plugged directly into the board, which can save space and keep it clean, so it can also be called wall plug power. Different national standard plugs：    Main features of wall power adapter: 1) Space saving: Its wall-mounted design allows it to be mounted directly on the wall, effectively utilizing the space and reducing