Therefore, in the test must consider the charger, interface line and battery three aspects of the match, in order to ensure the accuracy of the charging efficiency. Next, the fast charging efficiency of different mobile phones is evaluated through a test device with a charge control chip. Test equipment will record the battery voltage, current, charging time, charging speed and other key data of each mobile phone, and then comprehensively calculate the charging efficiency of each mobile phone.
First of all, the battery loss test of the mobile phone is completed by simulating the user's use scenario. The testers will be thereUse the mobile phone for different operations, including music, video, games, etc., in a certain period of time to test the wear and tear of the mobile phone in different scenarios. At the same time, it is also necessary to consider various network environments, such as 4G, 5G, WIFI, etc., in order to test the battery consumption under different networks.
In the horizontal evaluation, we use the following three methods to evaluate. Standby test Standby test is one of the most basic tests to evaluate the performance of a mobile phone battery. The test requires the phone to keep the screen on and perform various application tests to measure the phone's power management performance, such as standby time and battery consumption. On standbyTest, we used a test program during the test, and set the brightness of the phone to the same standard value.
1, high charging efficiency Modern wireless chargers usually have fast charging functions, and their charging efficiency is not inferior to that of wired charging. At the same time, wireless chargers can also adapt to different equipment needs to meet the charging needs of a variety of devices. This can be very beneficial for multi-device users.
2, the conversion rate of Qi standard wireless charger is 75% to 85%, which is about 1/5 longer than the traditional charger, but the wireless charger is usually charged in the fragment of time, and there is no need to specifically draw out the charging time, so the opportunity to save time.
3, charging efficiency: in the case of the same charging time, the commonly used wired battery charger after charging is 93%, and the wireless charger after charging is 88%. Obviously, there is still a gap in the charging efficiency of wireless chargers, and there is still room for further improvement in technology.
4, wireless chargingYes. In wireless charging, the charger and the charged device do not need direct contact, easy to use, strong environmental adaptability, avoiding the physical interface, so there will be no interface wear, sparks, leakage and other problems, in addition, wireless charging can also achieve high voltage, high current, high power charging. The cable is charged. Wireless charging also requires a wired charger, but also more wireless charging board.
5, cable charging. In the case of the same charging time, the power of the commonly used wired battery charger is 93% after charging, and the power of the wireless charger is 88% after charging. Obviously, there is still a gap in the charging efficiency of wireless chargersThere is still room for further improvement in technology.
1, advantages: the use of wireless magnetic induction charging equipment can be invisible, the equipment wear rate is low, the application range is wide, the public charging area is relatively reduced; High technical content, easy to operate, can implement relatively long distance radio energy conversion. Disadvantages: Although the equipment has high technical content, the economic cost of the equipment is higher and the maintenance cost is large; Because of the realization of long-distance high-power wireless magnetoelectric conversion, the energy consumption of the equipment is high.
2, convenience: Wireless charging of mobile phones eliminates the trouble of using charging cables. Users only need to place the phone on the charging dock, without plugging or unplugging the charging cable, to start charging. This makes the charging process easier and faster. Flexibility: Wireless charging eliminates the need for a specific charging cable. Users no longer need to carry and connect a specific type of charging cable, and can charge at any time on multiple charging docks that support wireless charging.
3, advantage: convenience: wireless charging eliminates the use of charging lines, the user only needs to put the phone on the charger to achieve charging, saving the trouble of plugging and unplugging the charging line. Aesthetics: Wireless chargingElectricity makes the charging process of the mobile phone more tidy, there is no messy charging line, which can improve the beauty of the mobile phone. Protect the interface: Wireless charging can reduce the number of plugs and plugs, reduce the risk of damage and wear of the interface, and extend the life of the phone.
4, mobile phone wireless charging pros and cons: benefits: Lightning cable wear reduction On the other hand, the popularity of iPhone wireless charging, will reduce the use of cables. The wear on the cable will be reduced to almost zero.
5, the advantages of wireless charging: compared with wired charging, wireless charging is more scientific and technological, as long as it is a device that supports the Qi standardAll can be charged with this standard wireless charger. Wireless charging reduces the movement of plugging and unplugging the charging cable because the connecting cable is not wrapped. Simply place the phone on a wireless charging pad, making it easier to use. There is no doubt that wireless charging is more practical and easier to be accepted by users.
6, wireless charger has advantages and disadvantages, the following are its advantages and disadvantages: Advantages: The advantage of wireless charger is that we can use the mobile phone at the same time to charge, no longer need to unplug the data cable. In addition, it can be taken at any time, which is more convenient than charging with a data cable. At the same time, it can provide certain support for the mobile phone, so thatPros and cons
Wireless charger is good, convenient, safe and durable; The disadvantages are bondage, high price and low efficiency. Advantages of wireless charger: Convenient: wireless charging belongs to one-to-many charging, which solves the problem that the interface is not applicable, and also avoids the phenomenon of poor contact caused by repeated plugging and unplugging of the mobile phone interface, which can better protect the mobile phone interface.
Wireless charger good, pros and cons are as follows: Advantages: In order to improve the unity of the mobile phone now most mobile phones are no longer with the headphone hole this design, but many users said that the headphone hole design is not humanized. But I haveAfter the wireless charger, we can directly put the mobile phone on it, bring headphones to listen to songs, but only limited to listening to songs, want to play games that is not realistic.
Advantages: The advantage of wireless charger is that we can charge the phone at the same time, no longer need to unplug the data cable. In addition, it can be taken at any time, which is more convenient than charging with a data cable. At the same time, it can provide certain support for the phone, making the phone charge more stable. Disadvantages: One disadvantage of wireless chargers is that the charging speed is relatively slow, and most wireless chargers only support 5W or 5W charging power.
1, the disadvantages of wireless charging are: low efficiency: energy storage and transmission efficiency is less than real contact. Slow charging speed: Due to low efficiency, the charging speed is slow at the same input power. Although wireless charging can be unplugged, the distance between the phone and the charger is very small. However, the electromagnetic energy loss is still not small, and the power received by the general mobile phone is about 75% of the power sent by the charger.
2, bad two: battery loss. Compared with wired charging, because the heat generated during wireless charging will be higher,So wireless charging actually has a slightly greater loss of battery.
3, the harm of wireless charging distance is too small, but the transition technology because the magnetic field in the air decay quickly, the current mobile phone wireless charging technology distance is generally very small, the general effective charging distance is only 3-8 mm. Taking into account the thickness of the mobile phone protective cover, mobile phone charging is basically close to the charger in order to effectively carry out wireless charging. This limitation doomed this wireless charging technology is only a transitional state.
4, bad charging efficiency is low: compared with wired charging, wireless charging efficiencyIt's low. That means it takes longer for users to fully charge. In addition, since wireless charging requires energy conversion between transmit and receive, it may lead to reduced battery life. Slow charging speed: Due to the low efficiency of wireless charging, the charging speed is relatively slow. This causes users to have to wait longer to complete the charge.