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The temperature resistance and fire performance of the power adapter are not only directly related to the reliability and service life of the power adapter, but also related to the safety of the user's life and property.
time2019/05/10
In the process of using the power adapter, I believe people have heard that the original power supply is better than the original, the original power adapter is usually better than the non-original power supply.
time2019/05/10
The reliability of the power adapter is inseparable from the protection circuit. What protection circuits are usually there?
time2019/05/10
The quality indicators of the power adapter should be based on the principle of safety and reliability. Circuits that need to be added to improve safety and stability.
time2019/05/10
As smart devices continue to increase in functionality, their power consumption is starting to get faster. The power adapter has a variety of parameters, so you can't use the adapter to charge it at will.
time2019/05/10
A power adapter is a device that provides electrical energy and plays a key role in the product equipment that is being powered. What are the consequences of using a poor quality power supply?
time2019/05/10
As smart devices continue to increase in functionality, their power consumption is starting to get faster. The power adapter has a variety of parameters, so you can't use the adapter to charge it at will.
time2019/05/11
A power adapter is a device that provides electrical energy and plays a key role in the product equipment that is being powered. What are the consequences of using a poor quality power supply?
time2019/05/11
Sending new products to relevant departments and conducting strict CE certification is the most critical part of the entire R&D process, and it is directly related to whether the products can meet export standards.
time2019/05/11
Why does the power adapter make noise? How does this noise occur? What is the cause of the noise?
time2019/05/11
Power adapter glue and glue requirements are waterproof, thermal conductivity, insulation strength, environmental protection, flame retardant requirements. As for the other parameters, you have to fill it yourself.
time2019/05/11
What kind of glue is used for the power adapter glue and glue? Shenzhen Intermodal Xiaobian believes that it is roughly divided into: epoxy resin, silicone, polyurethane, hot melt vinyl.
time2019/05/11
The power adapter has a variety of parameters, so you can't use the adapter to charge it at will. Before selecting a power adapter, first determine the three adaptation conditions.
time2019/05/11
A power adapter, a small, easy-to-carry electronic device in life that provides the same parameters for products that require charging, that is, a power supply that can be converted.
time2019/05/11
The power adapter housing has screw-fixed direct-removal screws, and the buckle (this is less now, the mold is complicated to increase the cost, and can be directly opened). Gluing and ultrasonic welding.
time2019/05/11
Personally think that the power adapter is a constant voltage output, your output voltage is 9V, and the maximum output current is 1A. As long as the voltage of the connected device is 9V, the maximum current can be connected to no more than 1A.
time2019/05/11
The power adapter indicator flashes and can be tested in the following five ways. If the motherboard is faulty, it is recommended to send the service station.
time2019/05/11
The power adapter connector specifications are: serial interface, that is, COM interface, is an expansion interface using serial communication protocol. 2. The parallel interface, referred to as the parallel port, that is, the LPT interface, is an extended interface using a parallel communication protocol.
time2019/05/11
The method of measuring the power adapter by the multimeter: the multimeter is debugged to the DC gear position (V), the electric pen is inserted into the positive and negative poles of the power adapter, and the test voltage is visually observed.
time2019/05/11
One is a constant voltage type, and the other is a constant current type. It can be used according to different soft light belt models with different power supplies. If it is small, it will be very slow, and the power adapter will be hot and cause aging. It is recommended not to use it.
time2019/05/11
Generally, the power supply is not measured by this parameter. The reason why they write this parameter on the label is because of the safety certification requirements. The input current test standard is within all input voltage ranges (some are 100-240V, the most stringent is 85-265V).
time2019/05/11
If you want to detect the full load rated output current of the power adapter, look at the low voltage output voltage/current value marked by the adapter and calculate the power value = voltage X current.
time2019/05/11
The parameters that the power adapter needs to pay attention to are: output voltage, rated output current, maximum output current, and conversion efficiency.
time2019/05/11
This is really not a good calculation, the switching power adapter 12V20A shows that it can provide 20A maximum current; the actual output current is determined by the load; the switching power adapter is unloaded, and its own circuit needs to consume power, generally not big.
time2019/05/11
If there is only a problem with the power indicator and the adapter is not a problem, you can replace the indicator and re-insert the indicator, but this light only serves as a view recognition.
time2019/05/11
The power adapter is a small portable electronic device and the power supply conversion device of the electronic appliance is commonly used in small electronic products such as mobile phones, liquid crystal displays and notebook computers.
time2019/05/11
The great rejuvenation of the Chinese nation will not be achieved with joy, joy, and drumming. It is necessary to promote the ability of independent innovation through self-reliance.
time2019/05/13
According to the overall planning of the country, China will actively promote the construction of charging piles in 2018, and plans to build 600,000 charging piles, including 100,000 public charging piles and 500,000 private charging piles.
time2019/05/13
For the charger, most people use it, but little is known. The built-in power supply and the non-built-in power supply charger are distinguished by whether or not a built-in buck regulator module is built in.
time2019/05/13
According to a research institute, China's power market will continue to grow steadily in 2016-2020. By 2020, the size of China's power market will reach 257.6 billion yuan.
time2019/05/13
Usually the input voltage allowed by the load has a safe range. For example, the input requirement of many 2.5-inch hard disks is 5V plus or minus 5%. If the input voltage is too large or too small, the protection circuit will be activated and the operation will stop.
time2019/05/13
The power supply is very important for the products and equipment that need to be powered. At present, there are few well-known brands such as Shenzhen Intermodal Power Supply. Most of the cheap and inferior power supplies are flooding the market. What are the hazards of using inferior power supplies?
time2019/05/13
Shenzhen Lianyunda Electronics has always insisted on making high-quality power adapters, and the products are sold at home and abroad. For the customer, the quality, materials and parameters of the product are important credentials for custom switching power supplies.
time2019/05/13
Behind every successful product is a powerful designer. Except for professionals, few people know how to design a switching power supply. What are the conditions and factors for designing a switching power supply?
time2019/05/13
With the vigorous development of electronic technology, electronic equipment and people are increasingly connected, and as a power conversion equipment, electronic and electrical products are inseparable from switching power supply. There are many brands of switching power supplies on the market today. There are brands with groceries, and the quality is high or low.
time2019/05/13
The farthest distance in the world is not life and death, but I am standing by your side, but you are playing mobile phones. Mobile phones are an indispensable communication tool in daily life. You can play mobile phones, go to the bathroom to play mobile phones, and even play mobile phones while sleeping.
time2019/05/13
It was learned from the General Administration of Quality Supervision, Inspection and Quarantine that the second batch of AQSIQ in 2018 randomly selected 70 batches of power adapter products produced by 65 enterprises in six provinces and municipalities including Beijing, Jiangsu, Zhejiang, Fujian, Guangdong and Chongqing.
time2019/05/14
Today's electronic products are no longer unusual, and can be seen everywhere in the market. There are also many manufacturers of power adapters. It is important for enterprises to choose a suitable power adapter manufacturer. If you choose an unprofessional manufacturer, you will lose more than...
time2019/05/14
The electromagnetic interference sources in the power adapter mainly include switching devices, diodes and non-linear passive components; in the switching power supply, improper wiring of the printed circuit board is also a major factor causing electromagnetic interference.
time2019/05/14
Nowadays, the application of lithium batteries is quite extensive. We can see them not only on smart hardware such as mobile phones and computers, but also as the main power source for electric bicycles. So why does a lithium battery become a mainstay?
time2019/05/14
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