1, coil diameter about 100 mm, wire diameter about 0.5 mm.
2, wireless charger refers to the need to charge without the traditional charging power cordThe charger on the terminal device adopts the latest wireless charging technology, through the use of the magnetic field generated between the coils, the magical transmission of electrical energy, inductive coupling technology will become a bridge connecting the charging base station and the device.
3. It is measured that the line diameter of the air-core coupling coil of the parallel resonant loop formed by the capacitor is O.5 mm, the diameter is 7 cm, the inductance is 47 uH, and the carrier frequency is 2 MHz. According to the parallel resonance formula, the matching capacitance C is about 140 pF. Therefore. The transmitter uses a 2MHz active crystal oscillator to generate a power carrier frequency close to the resonant frequency.
4, you are normal no-load voltage and low load voltage. The no-load voltage is normal, indicating that your wireless charging transceiver circuit is normal, but the voltage is pulled down after the load, the most likely is that your coil matching is not good, resulting in insufficient power received by the output end, so the charging voltage will be pulled down.
5, in the case of a certain effective value of the current, the pole heating is normal 2, inductance saturation, this heating is also very common.3, there is a large oscillation voltage at both ends of the inductance. The magnetic core is larger, which can reduce the number of turns and shorten the length of the line. Positive shock change, ripple current is small, magnetic loss is small, mainly resistance heatCheck the filter capacitor, and the capacitor failure will cause the inductor to overheat and discolor.
6, under normal circumstances, Apple wireless charging does not need to be set, the charger is connected to the wireless charger with a data cable, and then the phone is placed on the wireless charger, the phone will display charging. Charging plug please use the original or 3C certified products as electrical products, recommended to use the original plug, one is specially developed for your mobile phone, charging speed is guaranteed, second, safety is guaranteed.
1, Zikko Apple wireless charger compared with the common wireless charger on the market, it has the advantages of high 10W fast charging, multi-coil without aligning fixed position, all-round charging and so on. Equipped with high 10W dual coil wireless transmission power, compared to the common single coil, it does not need to be aligned to a fixed position when charging. It has three modes of horizontal and vertical placement, no matter it is horizontal, horizontal and vertical placement, it can truly achieve all-round charging.
2, brand recommendation millet: with its high quality and wideUniversal compatibility, Redmi wireless charger is a good choice for entry level. Huawei: Huawei's original fast charging vertical charger, known for Huawei's own protocol and high-speed charging. Green Link: MFM-certified magnetic charger designed for Apple users, lightweight and efficient. remax: Magnetic three-in-one charger, multi-purpose, suitable for multi-device users.
3, as a professional manufacturer of chargers, its wireless charger has efficient and stable charging performance, can quickly charge the device, but also has good compatibility, suitable for a variety of devices supporting wireless charging technology.
Wireless charging coilTest requirements, such as 100 kHz/1V, where 1V refers to the excitation voltage, the test frequency and the supply voltage act together on the system, and the inductance, Q value and AC resistance are analyzed by the LCR tester. Coil design and production, silk-covered wire coil and multi-stranded wire coil are respectively used for the transmitting end, requiring low cost, simple process, suitable for conventional product applications.
The steps are as follows: first, cut the end of the USB data cable connected to the mobile phone with scissors or a knife, and then cut the long end of the data cable into a small section, at this time you will see green, red, white and black four lines, the green and black one twoCut off the strips and cut off a small section of insulation between the red and green ones to expose the copper wire.
The principle is to use the magnetic field generated between the coils to generate a current for transmission.
These two physical phenomena can be used at the same time, wireless charging can be carried out. Current wireless charging devices all contain a "charging seat", which is actually a coil. When the charging seat is connected to the home plug, a magnetic field is generated around the coil due to the magnetic effect of the current. The electronic products to be charged also have a coil inside, and when it is close to the charging base, the magnetic field of the charging base will be induced by electromagnetic induction in the electronic productAn induced current is generated on the coil.
.85 euros. According to the query of X technology, the internal resistance of wireless charging coil is 0.85 euros. Wireless charging technology comes from radio energy transmission technology, which can be divided into two ways: low-power wireless charging and high-power wireless charging. Low-power wireless charging often uses electromagnetic induction.
Then according to the inductance value and resistance and other factors to determine the number of layers of the coil, height, outside diameter and so on. The wireless charging coil is suitable for short wave and medium wave circuits, and its Q value can reach 150-250, and has high stability.
Wide impedance range, to adapt to a variety of needs The inductance of the wireless charging coil is usually at the micro hen level, and the test frequency is in the kHz range, which requires a wide and accurate measurement range. The E4980A/AL has a wide impedance range from 4 milliohm to 100 milliohm, and can cover this band with 10% accuracy, making it particularly suitable for the precise evaluation of wireless charging coils.
In the range of ravg 0~0.08 m, the output power increases first and then decreases with the increase of coil turns; The ravg is 0.08~ 0.4mWith the increase of coil turns, the output power first decreases, then increases and then decreases. For a fixed operating frequency, the quality factor Q mainly depends on the shape and size of the coil and the material used.
Next, follow these steps: Open the "Settings" app on your HONOR 200pro, find and tap the "Battery" option. In the battery Settings screen, find "Wireless Charging" or "More Battery Settings"Options. Here you will see the Settings related to wireless charging. Slide the slide switch to the right or check the selection box to enable wireless charging.
Connect the wireless charging base to the power supply. Make sure the wireless charging dock is connected to a power source and that the phone is placed in the correct position on the wireless charging dock. Select the Settings option on the phone screen. Go to the Battery Management or Battery and Performance menu. Find the wireless charging option and tap on the Wireless charging feature. Red rice K40 mobile phone support wireless charging function, in order to use this function, you need to use with wireless charging base.
Connect the standard charger and data cable of the mobile phone to the wireless charger, and then put the mobile phone directly (vertically) or horizontally in the center position of the wireless charger base, you can realize wireless charging, the indicator light will have a breathing effect, 5 seconds later, plug and play, convenient and quick.
Connect the prepared wireless charger to the power supply so that it can supply power. After connecting the power supply, place the Huawei mobile phone on the wireless charger as required. After successful placement, a charging page will appear, and you can stop charging if you take the phone away.
First, we open the Settings option and click Battery. Step two,