Today to share the knowledge of wireless charging accelerated charging scheme, which will also explain the wireless charging fast charging, if you happen to solve the problem you are now facing, don't forget to pay attention to the site, now start!
< ul>electric field coupled wireless charging, the principle is to transmit power by coupling two sets of asymmetric dipoles along the vertical direction of the induced electric field generated. Suitable for short distance charging, turnThe change efficiency is also high, the position can not be fixed; However, the disadvantage is that it requires a large volume of equipment and less power.
Wireless charging methods include electromagnetic induction, magnetic resonance, electric field coupling and radio wave transmission, etc. Wireless charging of mobile phones mostly uses the principle of electromagnetic induction. Electromagnetic induction wireless charging, when the current of the power supply through the coil (wireless charger's power supply coil) will generate a magnetic field, other unenergized coil (mobile phone side of the electric coil) close to the magnetic field will generate current, charging the mobile phone.
Principle of wireless charger Wireless charger is a use of electromagnetic induction principleA device to charge your phone. At the sending end and the receiving end, the wireless charger has a coil. There is an electromagnetic signal sent out in the sending single coil, and the receiving single coil can receive the electromagnetic signal sent out, and then the electromagnetic signal is converted into current, and the current enters the mobile phone, so as to achieve the effect of wireless charging.
The first is field-coupled charging. First, there are two sets of asymmetrical electric dipoles on the phone and charging device. When they are close together, they produce a coupling phenomenon and achieve the transmission of current. The transfer efficiency is good, but there are distance restrictions, and large capacity charging stations are required. The second type is magnetic resonance charging, which is different from the above electric field. This method generates electrical energy through the resonance of the same frequency magnetic field generated by the resonators at both ends.
What is the principle of wireless charging? Will wireless charging become popular? The principle of wireless charging is that through near-field induction, the wireless charging device conducts energy to the charging terminal device, and the terminal device converts the received energy into electrical energy, which is stored in the battery of the device. The principle of energy conduction is inductive coupling, which ensures that there is no exposed conductive interface.
1, Apple 13 supportWireless charging, and also supports two wireless charging schemes, MagSafe magnetic wireless charging, up to 15W wireless fast charging. It also supports Qi wireless charging scheme, which only supports 5W wireless charging power. Fast charging via USB connection to a computer or power adapter, up to 50% charge in 30 minutes, using a power adapter of 20 watts or more.
2, the Apple 13 supports wireless charging, which undoubtedly provides users with more charging options and meets the charging needs in different scenarios.
3, the Apple 13 can be charged wirelessly.Place the MagSafe chargers heads on a flat surface, make sure no metal objects near or other foreign material. Place the iPhone 13 on the MagSafe charger to charge it. The entire iPhone13 series is equipped with MagSafe magnetic wireless charging system, which supports a maximum of 15W magnetic wireless charging. In addition, for the most commonly used Qi wireless charging standard is also compatible, the highest support Qi5W wireless charging.
ChargeElectrical OEM: The main enterprises include Aohai Technology, BYD Electronics, Tianbao, Selkang and so on. In 2020, fast charging technology enters the era of hundreds of watts. In August 2020, OPPO and Millet new machines are equipped with 120W fast charging, and fast charging technology has officially entered the 100-watt era. According to Xiaomi Lab data, the 100W fast charge takes only 17 minutes to fill the 4000 mAh battery. The increase of fast charge power drives the rapid increase of mobile phone charger prices.
Wan 'an Technology (002590) said on the interactive platform that the company's new energy vehicle wireless charging technology baseThis product is mature and is expected to enter the small-batch mass production stage in the second half of 2021. The company's holding subsidiary Shanghai Wanji Electronics is a supporting supplier of BAIC New Energy and FAW Red Flag wireless charging products. Jingquanhua (002885) has cooperated with customers to do product research and development of automotive wireless charging technology.
Aohai Technology: wireless charging leader, is a focus on intelligent terminal charging and storage products research and development, production and sales of national high-tech enterprises. Hengdian Dongmagnetics: one of the largest manufacturers of magnetic materials in China, wireless charging magnetic materials have been adopted by a number of industry-leading customers. Haineng Industry: wireless charging dragonHead, wireless charger is the company's mature product.
MOVE SPEED 20W magnetic wireless charging bank supports 18W fast charging input, and it takes 3 hours and 25 minutes to move the charging bank from completely out of power to full. USB-C supports 9V22A output, which is designed for the 20W fast charge of the iPhone 12 series, and USB-C can provide 19W fast charge power for the iPhone 12 Pro Max.
Jing Quanhua (002885) (002885) Annual report: Net profit of 55 million yuan, net profit growthThe rate was 1180.62%, and the operating income was 11.1 billion yuan. Hengdian Dongmagnetic (002056) annual report: Net profit of 9.7 billion yuan, net profit growth rate of 496%, operating income of 96.9 billion yuan. Lianchuang Electronics (002036) annual report: Net profit of 0.3 billion yuan, net profit growth rate of 13%, operating income of 47.3 billion yuan.
Wan 'an Technology (002590) : At present, wireless charging products have been produced in small batches abroad, and we will consider landing in China and localizing production in the future. Lisun Precision (002475) : iwatch wireless charging supplier; Wireless charging will also be available
In theory, wireless fast charging and mobile phone fast charging are the sameSpecifically designed for mobile phones, there is no harm to the mobile phone battery, for this point still need to understand. However, when the user chooses a wireless charger, it is best to choose a charger that is compatible with the mobile phone, or choose a charger produced by a regular manufacturer.
However, wireless fast charging does not directly lead to shorter battery life. Battery life is affected by a variety of factors, lithium batteries have no memory effect, frequent charging, power off does not affect. What can really damage a battery are wrong charging habits, high temperatures, and substandard charging equipment. For example, OPPO Ace2 uses 40W wireless flash chargingTechnology, through the series of double cell and air cooling technology, taking into account the charging efficiency and safety.
The reasons for fast battery loss are more due to improper use, such as excessive use of mobile phones, the use of unstable chargers, wrong charging habits, and power-consuming operations while charging. Wireless fast charge does a better job of controlling temperature and power conversion, and the impact on the battery can be controlled as long as the quality of the device is reliable. Wireless fast charge is especially suitable for those who pursue convenience, such as busy office workers.
Long-term use of radio charging will not affect the phone. Wireless charging features areWithout the limitation of the charging line, affected by the nickel-metal hydride battery, this battery has memory, and the best way to use it is to reach the best state of the battery after charging. The wireless charging method does not have the bondage of the line, and takes it with each charge, reducing the complexity of plugging and unplugging the data cable.
First of all, we can tell you that this idea is very incorrect, because the current mobile phone is used, there is no memory effect of lithium batteries, with the use of charge, but the activity of lithium batteries can be maintained more favorable.
Zhirong 25W Super Fast Charge 15W Wireless fast charge mobile power solution This solution is based on Zhirong's latest super fast charge mobile power chip SW6208 and wireless charging chip SW5100 design and development, mobile power part continues the excellent performance of SW6208, A chip solves a variety of complex functions such as lifting voltage control, protocol recognition, 5 charging interface control, LED power display, and its biggest feature is to support 25WSuper fast charge.
The difference between 15W and 25W is that the power is not the same, the charging speed is not the same, and the 25w fast charging is faster than the 15w fast charging. For example, in the case of mobile phone compatibility, the 15w charger about 3000 mah battery takes about an hour, and the 25w charger, 3000 mah battery can be filled in about 40 minutes.
In the era of the pursuit of fast charging and lasting battery life of mobile phones, I originally had little demand for mobile power. However, frequent work trips to the countryside forced me to consider carrying a reliable power bank.Among the many options, I chose WOPOW's innovative container design charging bank, which not only has a 25W&PD20W super fast charge, but also performs well in terms of appearance and practicality. The battery pack is simple and goes directly into the product itself.
There is no big difference, that is, the charging current power is not the same, 25w fast charging is faster than 15w fast charging. 2 Fast charge refers to a charging method that can make the battery reach or approach the state of full charge within 1 to 5h. It is often used for charging traction batteries when they need to be restored to a fully charged state in a relatively short time.
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