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Wireless charging is about to take off
Electric cars, mobile devices and industrial applications are refocusing on wireless charging technology. It is well known that electricity travels long distances through the air, but without wires, there never seems to be a practical or reliable way to power electronic devices. In fact, wireless power has been available for years. Whether wireles
Introduction to Qi standard and wireless charging solution
Wireless charging technology shows great market potential in the consumer market. Charging electronic devices without wires not only provides a convenient solution for users of portable devices, but also allows designers to find more innovative solutions to problems. Many battery-powered portable devices, from mobile phones to electric cars, could benefit from the technology. Inductive coupling method can realize efficient and universal wireless charging. To make it easy to u
Why do power adapters get hot during use and what to do about it?
When we were in the use of laptops, may be found in use process, especially on a hot summer day charge while using, the power adapter fever, actually this is a normal phenomenon, because it is in the process of converting voltage consumes energy, part is converted into heat energy. As is known to all will want to loss of energy conversion, the existing The six levels of energy efficiency standard power adapter conversion efficiency generally between 70% and 90%. 12 v10a power adapter, for example, six levels of energy efficiency standards e
Power adapters for electronic products
Power adapter from ac power grid to a voltage between electronics conversion equipment, power adapter is crucial for electronic products, you can't work without power adapter so electronics. Power adapter supply voltage current may say is the blood of electronic products, so for electronic products matching a high reliability, high stability of the power adapter is very important, high stable power adapter has become an indispensable part in the electronic products.
Discussion on the production process of power adapter
Production process analysis of power adapter: 1. The products are made of polycarbonate (PC) with a shrinkage rate of 0.5%~0.8%; 2, mobile phone shell molding process -- injection molding injec
The application and function of the power adapter
Application of power adapters Power adapter is widely used in industrial automation control, military industry equipment, scientific research equipment, LED lighting, industrial control equipment, communications equipment, electrical equipment, instrumentation, medical equipment, semiconductor refrigeration and heating, air purifier, electronic refrigerator, LCD, LED lamps and lanterns, communications equipment, audio and video products, security, computer case, digital p
Introduction to the types and functions of power adapters
In some small portable electronic devices such as telephone handsets, game consoles, language repeaters, walkmans, notebook computers, cellular phones, etc., we often see power adapters. So what is the power adapter? What is the role? This article will explain to you one by one. What is the power adapter? The power adapter is also called an external power supply. It is a power supply voltage conversion device
Introduction of ultraviolet lamps and principles of disinfection
The ultraviolet lamp is a device that can emit ultraviolet rays, is a necessary tool for observing the fluorescence and phosphorescence characteristics of the sample, and is also a physical means for sterilization and disinfection. The wavelength is in the range of 10 ~ 400nm. Related lamps include strong ultraviolet high-pressure mercury lamps, high-strength metal halogen lamps, printing lamps, capillary ultra-high pressure mercury lamps, light cleaning lamps, CD-ROM lamps, ultraviolet iron lamps, sterilization lamps, short-arc xenon lamps, excimer discharge lamps.
Switch power adapter explanation
The switching power supply adapter is composed of a full-wave rectifier, a switch tube, an excitation signal, a diode, an energy storage inductor and a filter capacitor. In fact, the core of a switching power adapter is a dc-dc converter. Here we explain the dc converter and inverter as follows. An inverter, which converts direct current into ac. Inverters are widely used in standby power supplies that use electrical levels or batteries. A dc - dc converter is a device that converts dc first into ac and then from ac to dc. This device is
How to distinguish LED switching power supply is constant current and constant voltage
LED switching power supply is generally divided into constant voltage output and constant current output, the former output voltage is constant, the latter output current is constant, so use a multimeter to measure their output voltage, you can know whether constant voltage output or constant current output.
Wireless charging is about to take off
Electric cars, mobile devices and industrial applications are refocusing on wireless charging technology. It is well known that electricity travels long distances through the air, but without wires, there never seems to be a practical or reliable way to power electronic devices. In fact, wireless power has been available for years. Whether wireless power will extend battery life is not entirely clear
Advantages and characteristics of power adapter
Power adapters are common in our daily life, such as a router power supply, cell phone chargers, laptop power supply, monitor power supply, intelligent speaker power, these are our most common power adapter, then compared the power adapter before old-fashioned linear power supply, and what are the advantages and characteristic between transformer? Below we will introduce the advantages and characteristics of the power adapter.
Do power adapters cause radiation hazards
Today small make up here and we are here to talk about the power adapter will produce radiation hazard? Hear radiation, we may first think of the chernobyl nuclear power plant leakage accident and fukushima nuclear leakage accident, and is a very controversial mobile phone radiation and high radiation, radiation actually touch this thing can't see, but som
Classification of power adapters
At present, the performance of electronic instruments and equipment is more safe and reliable, the function is constantly enhanced, the use of automation degree is also more and more high. The continuous development of these electronic technology and its applications are inseparable from the power adapter, the power adapter in the computer, communications, aerospace, home appliances and other aspects have been more and more widely used, the types of power adapter is also more and more, next to share with you what are the types of power adap
Is the power adapter universal?
Is the power adapter universal? If the output voltage is different, so can't gm or alternative use, if the output voltage, rated current is less than before the power adapter, so, you cannot use this alternative, if the output voltage, current and power of electrical parameters and completely before the power adapter, and is negative, the same interface
What is the cause of power adapter leakage
Many friends are asking what is the cause of the power adapter leakage? That there are several reasons, first is the static situation, and a safety standards, safety standards in security leakage current in the professional terminology. If is a mandatory product certification of safety standards of safety power supply ac leakage, it is very dangerous, oft
Constant voltage driver chip, constant current driver chip and pulse driver chip: LED driver chip can be divided by type. Among them, the constant voltage driver chip is usually our common DC/DC booster chip in the majority. The advantage of this scheme is that the chips are not cheap and cost complex peripheral circuits. But only a constant voltage LED drive circuit output will cause the drive current is not controllable. The brightness of leds does not guarantee consistency. Constant
Is the power adapter universal?
Is the power adapter universal? For example, the output of A power adapter is 19.5v and 3.34a. The output of the other is 19.5v, 4.62a. Are the two power adapters universal? Waweis power adapter manufacturers for everyone to analyze: First, the most important point is that the output voltage
Charger standard and certification method
Chargers special standard, previously did not have a charger of special standard, the eu charger to EN60950 as standard, the charger has UL60950 as standard, but the actual is 60950 power adapter standard, standard is not the charger,because there is no standard, so manufacturers reference 60950 adapter standard, but now the European Union and the United States are listed the latest standard charger, the eu charger is divided into the following two parts of 42 v with EN60335-2-29, 42 v and 42 v with a standard 60335-1, In the United State
How to choose a suitable power adapter in three steps
For many people, the concept of a power adapter is just a charger, but in fact a power adapter is a kind of transformer that is widely used in chargers. People who are not familiar with the power adapter often need to face what kind of power adapter to use for charging. The power adapter has a wide variety of parameters, so you can't use the adapter to charge at will. Before choosing a power adapte
Common failure and maintenance of chargers and adapters
First, line fault Line fault, including power line damage not power, bad contact with the contact port oxidation, etc. Check whether the input line and output line are energized. If there is a line fault, it can be solved by replacing the power cord. Second.The output volta
What is a power adapter used for?
Power adapter is also called external power supply, small and medium-sized handheld electronic equipment and electronic appliances of the power supply system working voltage conversion equipment, more in mobile phones, LCD screens and laptops and other small and medium-sized electronic equipment.
Do you know the power adapter detection tips?
The circuit in the power adapter is intricate, among which the electronic components, circuit structure, basic working principle and so on are the most basic knowledge. Do you know the power adapter detection tips? 1, buy the adapter of brand name
Are power adapters important for electronics?
Stability of the power adapter is always beneficial for electronic equipment, but a stable power adapter must be added. If the output power of the stable power adapter is required to be large and the performance is good, the price is more expensive. Therefore, for most of the power equipment with high power and low demand for power supply quality, the solution is often to improve the power supply quality of the power grid. Stable power adapters are mostly used in electronic equipment and instruments such as TV sets, electronic computers and their interfaces,
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.