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Shenzhen KINRI Energy Technology Co.,Ltd.

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· How to accurately measure the circular mouth size of a laptop charger?

The following are methods to measure the circular mouth size of a laptop charger.1. Confirm the brand and model of the computerThe round mouth size of laptop chargers from different brands and models may vary, so it is necessary to confirm the computer brand and model before measurement. You can search for the computer manual or view the model information on the computer.2. Use a caliper or rulerTo measure the outer diameter of the round mouth of a laptop charger, you can use a caliper or ruler. Place the starting point of the caliper or ruler on the outermost side of the plug, and then gently move the caliper or ruler to the other side of the plug. This will tell you the outer diameter of the round mouth of the computer charger.3. Pay attention to the correct unitWhen measuring the round mouth size of a laptop charger, make sure to use the correct units. Normally, the round mouth size of the charger is measured in millimeters (mm). If you use inches or other units of measurement inco...
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04-16
2024
· Can the charger be used as a power supply?

In general, chargers are not recommended as power supply, but can be used in specific situations.Why not recommend using a charger as a power supply?The essential difference between a charger and a power supply is the power output size. The power output of a charger is smaller than that of a power supply, and it can only be used to charge mobile devices such as mobile phones, and cannot provide power to high-power devices such as televisions. If the charger is used as a power supply, its output power is insufficient, which can easily cause the equipment to malfunction, and even lead to equipment damage or safety accidents.Under what circumstances can a charger be used as a power supply?In specific situations, a charger can be used as the power supply. For example, in travel or outdoor activities, low-power devices such as speakers and lighting fixtures need to be powered, and a charger can be used as the power supply. In addition, some low-power devices at home can also be powered by...
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04-16
2024
· Circuit design, circuit diagram, and working principle of eight types of switching power supplies

Today I will share with you a detailed explanation of the circuit design and working principle diagram of a switching power supply.1.Introduction to Switching Power SupplySwitching power supply, also known as switching power supply or switching converter, is a high-frequency electrical energy conversion device and a type of power supply. Its function is to convert a precise voltage into the voltage or current required by the user through different forms of architecture.switching power supply2. Basic composition of switch mode power supply(1) Main circuitImpulse current limiting: limits the impulse current on the input side at the moment the power is turned on.Input filter: Its function is to filter out the clutter existing in the power grid and feedback the clutter that hinders the generation of the machine back to the power grid.Rectification and filtering: Directly rectifying the AC power supply of the power grid into smoother DC power.Inversion: Transforming rectified DC power into...
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04-16
2024
· What is a switching power supply charger?

1. The meaning of switching power supply chargerA switching power supply charger refers to an electronic product that uses switching power supply technology for charging. It can convert AC power into DC power and provide electrical energy to charge the device. The switching power supply charger is currently one of the most widely used chargers, and its advantages compared to other chargers mainly include high power efficiency, stable output level, and strong adaptability.2. Working principle of switching power supply chargerThe working principle of a switching power supply charger is to convert AC power input into high-frequency AC power through switching power supply technology, and generate the required DC power through transformer transformation to charge the device. There are two main types of switch power chargers: AC/DC and DC/DC. AC/DC switch power chargers are mostly used for mobile phones, tablets, and other devices, while DC/DC switch power chargers are mostly used for camer...
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04-15
2024
· What is the difference between a power supply and a charger? Can a power supply replace a charger?

The difference between power supply and chargerBoth power supplies and chargers are devices that provide power to devices, but their functions and usage scenarios differ.Power supply is mainly used to directly supply power to devices, usually for devices with high electrical power, such as televisions, audio systems, computers, etc. There are various types of power supplies, including plug type, contour type, switch power supply, etc., which can come with different types of interfaces, such as USB and plug.Chargers are mainly designed for battery devices, such as mobile phones, tablets, etc., to charge the built-in battery of the device. Chargers usually need to convert the power interface into a device charging port and be able to control the battery charging process. The charger has different adapter ports, including USB, Type-C, Lightning, and other types.Can a power supply replace a charger?Although both the power supply and charger are devices that power devices, they cannot be u...
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04-15
2024

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