This article gives you a talk about wireless charging and burning cards, and wireless chargers will degaussing the corresponding knowledge points of mobile phone cards, I hope to help you, don't forget to collect this site. < / p > < h2 > the article directory list: < / h2 > < ul > < li style = 'margin - bottom: 3 px; list-style: none'>1, How does wireless charging work? The basic principle of wireless charging is to convert the current into a magnetic field, which is transmitted through the air and then converted into a current to be transmitted to the intelligent terminal. When the system works, the input end converts the AC mains into direct current through the full bridge rectifier circuit, or uses the 24V direct current end to supply power to the system directly. After passing through the power management module, the output direct current is converted into high-frequency alternating current through the 2M active crystal oscillator inverter to supply the primary winding. Wireless charging system mainly adopts the principle of electromagnetic induction. Wireless charger refers to the charger that does not need to be connected to the terminal device that needs to be charged without the traditional charging power cord, using the latest wireless charging technologyBy using the magnetic field generated between the coils to magically transfer electrical energy, inductive coupling technology will become a bridge connecting charging base stations and devices. Wireless charging, also known as inductive charging or non-contact inductive charging, based on the principle of electromagnetic induction, it is not necessary to transmit electricity to the device like the traditional wired charger, but the device that needs to be charged can be charged by contacting the wireless charging base. The principle of wireless charging technology is "magnetic electricity", simply put, through the charging device and the mobile phone device installed on the two "magnetic equipment" mutual induction and formation of current. Currently on mobile phone,Electric vehicles, smart furniture and other fields have appeared to support wireless charging products. Among them, in the mobile phone industry, the "Qi standard" is the most common, and Qi labels are often used in the packaging of many mobile phones and wireless chargers. No strong radiation, no effect on the human body! The main principle is: the way of wireless charging is electromagnetic induction, magnetic resonance, electric field coupling and radio wave transmission, etc. Most of the wireless charging of mobile phones uses the principle of electromagnetic induction. 1, it will burn out the wireless charge almost will not affect the magnetic strip. Wireless charging has a high probability of damaging the nfc in the card. Reason: The magnetic strip requires 100-200Gs magnetic field to lose information, and the magnetic field of wireless charging is relatively weak, so it will hardly affect the magnetic strip. However, if the magnetic strip is close to the center of the charger, the probability of damage will be much higher. 2. Open the system Settings function key on the desktop. Then check in the Common Options section or under all options. Finally, find the nfc card protection option and turn it off directly to contact. 3, does not affect. According to the relevant public information, in order to prevent the failure of the NFC card function or damage the NFC card, the NFC card cannot be placed in the wireless charging area when the wireless charging function is turned on, but the use of wired charging will not affect the mobile phone. 4. No. According to the inquiry, the NFC card cannot be placed in the charging area when the wireless charger is turned on, and any object that will cut off electromagnetic waves cannot be attached when using the NFC card. 5, the electromagnetic wave of the mobile phone is mainly an electric field, rather than a magnetic field, so it will not produce enough magnetic field forceChange the magnetic stripe information on the card. In addition, if the phone has NFC and is left on all the time, it may recognize the card frequently, which can be annoying, but also won't cause demagnetization. It should be noted that if the phone has a wireless charging function, and the card with a magnetic stripe is charged together in the phone case, it may be directly degaussed. 6. No. If you don't use it for a long time, take it out. Because the card key is very convenient to use, as long as the vehicle matches the card, the card can be unlocked by sticking it to the door handle of the driver's seat, and after entering the car, the card is placed into the center control wireless charging smart phone holder How does wireless charging work?
NFC card key long timeWireless charging
Will portable wifi heat burn the card?
In fact, what you are talking about is a wireless network card, the wireless network card of this USB interface, the use of the computer has no effect, and can be plugged into the USB interface of the computer for a long time.
Yes. Huawei portable wifi3 fever will affect the network speed, a heat network speed will be directly wasted, directly reduced to a few mbs, and 2G network speed is almost, Huawei Technologies Co., Ltd. is a production and sales of communications equipment private communications technology company, officially registered in 1987, headquartered inBantian Hua Base, Longgang District, Shenzhen City, Guangdong Province, China.
Yes, Huawei mobile WiFi hot after long-term use, please do not worry, the device hot after long-term use is normal, there is no security risk. The heating phenomenon of Huawei accompanying WiFi may occur during continuous data transmission, charging, or when the ambient temperature is too high.
National wifi is small and easy to carry, you can automatically create wifi signals as long as you plug into a networked computer, and the heat dissipation and compatibility are very good, there will be no hot feeling, and you use mobile devices to connectYou only need to scan the QR code, and the signal sent by such a product can radiate more than 30 meters, and theoretically can access up to 32 devices.
1, the line is burned out. NFC card key is a software owned by Ling Pai company. If this product is placed on wireless charging for a long time, it will burn out the line and cannot be used because of the friction damage of the working line for a long time. This situation cannot be solved by itself, and it can be sent to Ling Pai Maintenance Department for repair.
2, no. Wireless charging will not degausse the access card, the access card is an electronic access card, is not magnetic.
3. Check whether the NFC chip function of the Apple phone is enabled. If the NFC chip function of the iPhone is disabled, the access card cannot be copied. Check that the access card itself has problems. Check again whether the copied access card is damaged or expired. Adjust the security mechanism Settings of the access control system. The security mechanism of the access control system may be too strict, resulting in the access control card cannot be used. Update the system version of the iPhone.
4, please stay away from the pacemaker and people when usingCochlear, hearing AIDS and other equipment 30cm or above; Keep magnetic cards such as access cards, bank cards, and phone cards away from wireless chargers to avoid damage caused by demagnetization. Extension: Open wireless reverse charging method: you can enter the phone Settings -- battery -- more Settings -- open the "wireless reverse charging", after opening the peripherals can provide up to 10W charging power supply urgent charging.
5, may be the motherboard parts damaged, need to be repaired. Wireless charger is not easy to break, just related to his production process. Wireless charger uninstalls the original received phone user. Wireless distance charging is also possible. Parallel dischargeFast charging on the desk, no need to find an extra charging head. It's very convenient. His production process manufacturers fully consider the high safety factor. So it's not easy to break.
The introduction of wireless charging card talk here, thank you for taking the time to read the content of the site, more about the wireless charger mobile phone card degaussing, wireless charging card information don't forget to find oh in the site.