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2021-09

A wireless charging scheme based on single chip microcomputer

The utility model relates to the field of wireless charging equipment, in particular to a single-chip-based wireless charging single-chip solution. Wireless charging technology originated from wireless power transmission technology, which can be divided into low-power wireless charging and high-power wireless charging. Electromagnetic induction is often used for low-power wireless charging, such as charging mobile phones. However, the wireless charging of electric vehicles adopts inductive type, and high-power wireless charging often adopts resonance type, which uses the received energy to charge the battery for its own operation. However, the current charging device is not user-friendly in use. The purpose of the utility model is to solve the above problems, and to provide a single-chip-based wireless charging single-chip solution. The utility model achieves the above purpose through the following technical solutions: a single-chip-based wireless charging single-chip solution, including a base, a flip seat, a transmitting coil and a single-chip control chip, one end of the base is integrally connected with the base shaft column, and the flip seat is provided with a flip The seat shaft column, the base shaft column and the flip seat shaft column are all hollow structures. The rotating shaft is inserted into the base shaft column and the turning base shaft column to connect the turning base and the base together, the fixture frame is integrally formed and connected to the base shaft column, and the transmitting end power conversion circuit, the transmitting end compensation network circuit and the single-chip microcomputer control chip are embedded in the base. , a cylindrical groove is formed on the flip seat, and the transmitting coil is embedded in the cylindrical groove. In order to further improve the performance of the wireless charging single-chip microcomputer based on the single-chip microcomputer, one end of the rotating shaft is fixed with a shaft-side fixing cap, the other end of the rotating shaft is provided with a thread, and the rotating shaft is screwed with an elastic knob through the thread. In order to further improve the performance of the wireless charging microcontroller based on the microcontroller, a wire slot is arranged on the side of the base, and a wire harness fixing piece is installed in the wire slot. In order to further improve the performance of the wireless charging MCU based on single chip microcomputer, the transmitting coil is wirelessly connected to the receiving coil through a magnetic field, and the receiving coil is connected to the rechargeable battery through the power conversion circuit at the receiving end. Wireless charging MCU scheme In order to further improve the performance of the wireless charging MCU based on MCU, a control button is set on the side of the base, and the control button communicates with the MCU control chip. In the above structure, the charging time and output power of the circuit can be detected by a preset program on the microcontroller control chip, and the time control of the microcontroller can be realized by setting the preset time by pressing the button. When charging small objects such as mobile phones, adjust the elastic knob to make the flip seat at a certain angle, put the mobile phone card on the card seat, and lean against the flip seat to charge. The utility model has the advantages that the wireless charging single-chip microcomputer scheme based on the single-chip microcomputer can adjust any suitable charging angle under the action of the adjusting knob, and the charging time can be controlled and set by the single-chip microcomputer.

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2021-08

Uncover wireless charging, a collection of four wireless charging MCU schemes

Wireless charging technology comes from wireless energy transmission technology. Wireless charging has been on the market for a long time and is more and more widely used. In particular, the mobile phone battery arranges four wireless charging MCU schemes in the circuit. Engineers who want to try the wireless charging MCU program can try it.

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2021-08

Huawei mate40 wireless charging: why can mobile phone wireless charging develop rapidly?

Huawei mate40 wireless charging manufacturers analysis Although electronic products such as mobile phones and tablets have brought great convenience to people, the accompanying charging problems have also brought troubles. A charging cable, charger and power bank of different models will not add weight to the package. If the wrong model is found again, it will fall into the embarrassing situation of "lost connection". With the development of mobile phones, the charging methods of mobile phones are also constantly evolving. In the years when smartphones were just emerging, the charging of mobile phones was based on "universal charging". Now this little thing has disappeared in the long river of history, replaced by USB wired charging, which is also the more common charging method at present. We can call it the charging 2.0 era. The 3.0 era of charging is the wireless charging that is just emerging today. Using Tesla's electromagnetic induction principle, the current is indirectly transferred to the battery through induction to complete the charging operation. Today, Huawei mate40 wireless charging manufacturers will talk about why mobile phone wireless charging can develop rapidly. First, the giants added wireless charging Second, the 5G era is coming The second is driven by the upcoming 5G network. 5G mobile phones have added a large number of radio frequency modules. As mobile phones become thinner and lighter, the existing space utilization has reached its limit, and it is impossible to leave extra space for the battery. We can see that Apple has taken the lead in eliminating the headphone jack, which is not only for individuality and fashion, but also an important attempt to make way for new modules for 5G mobile phones. Within the framework of 5G technology, promoting the popularization of wireless charging technology for mobile phones is a process of mutual compromise. Third, mobile phone hardware is rapidly improving Moreover, the lack of breakthroughs in battery technology has forced further development of wireless charging technology. The improvement of mobile phone hardware performance can bring us a better experience, and even some places have surpassed the impact of smart terminals such as computers. However, with the rapid improvement of mobile phone hardware, the power consumption is becoming more and more fierce, and mobile phone battery technology seems to be unable to keep up with the rapid development of hardware. As a portable phone, running out of battery is like a brick. At present, how to improve the charging experience has become a top priority, which is also the original driving force for the rapid rise of wireless charging. Fourth, market demand Of course, what is important is the experience demands of consumers. Although some people think wireless charging is "cool, but not practical." From most user experiences, however, wireless charging is not only fun, but practical. Whenever you use your phone, just put it on the charging tray and charge it. Compared with wireless charging, finding a USB charging port on a messy table, plugging it in at the USB port, and putting down the phone is as complicated as practicing Qigong. Finally, Huawei mate40 wireless charging manufacturers summarize: Wireless charging has experienced explosive growth, and now is the golden development period of wireless charging. As users get used to wireless charging technology, wireless charging will become a necessity for mobile phones such as WiFi , which will completely change the charging needs of users.

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2021-07

On board wireless charging scheme: application method of on-board wireless charging

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2021-07

Car wireless charging solution: can car wireless charging completely get rid of wired trouble?

Car wireless charging solution providers found that with the increasing frequency of mobile phone use, the convenience of mobile phone charging began to gradually affect the user experience. As a result, the emergence of fast charging technology has greatly shortened the charging time of mobile phones. Even so, in the process of mobile phone charging, the charging line still limits the convenience of using mobile phones. Therefore, mobile phone wireless charging technology has rapidly spread to all corners of our lives. Automobile wireless charger also came into being. The original intention of car wireless charging is to increase driving safety and improve use convenience. In this issue, we will study it carefully. First, the car wireless charging solution is not a new technology. As early as 1890, physicist Nicholas Tesla had successfully completed the experiment of radio energy transmission. Most of our mobile phone wireless charging uses electromagnetic induction. The basic principle is the same as that of the transformer, which is the "electricity generates magnetism and magnetism generates electricity" we learned in the physics class of junior middle school. 整个过程的实现也比较容易，通常在无线充电板内部安装一个线圈，线圈通电产生磁场，被手机中的线圈捕获，然后转换磁场变成电流给手机充电。这项技术的本质是利用磁场来传递能量，避免充电器和手机之间的导电触点外露。需要注意的一点是，现在支持汽车无线充电解决方案的新能源汽车大多不采用电磁感应充电方式，而是采用谐振式无线充电，即电磁谐振。电磁共振技术主要是使发射和接收装置产生电磁共振，实现无辐射磁场的电能传输。以这种方式充电的磁场辐射较弱，传输功率较高。以上就是深圳市贝兰德科技有限公司小编收集的内容，如有需要请与我们联系。

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2021-07

Wireless car charging solution: what is wireless car charging technology

Providers of wireless charging solutions for automobiles have found that in recent years, the frequency of mobile phone use in people's daily life has gradually increased, and the power consumption of mobile phones has gradually accelerated, especially in daily life. The more we rely on our phone for its capabilities, the faster it drains its battery. Therefore, more and more people will not let go of every place where they can charge their mobile phones, and being able to charge mobile phones in the car is undoubtedly a very good choice. Automotive wireless charging solutions solve this problem. The car wireless charging solution is that the traditional in-car charging method by using a car charger with a charging cable is not a very convenient and safe way. People need to unplug the cable when answering the phone. When driving, because the attention is occupied, if the cable is inserted into the charging hole, it is actually an operation with potential safety hazards, and the cumbersome and tangled charging also brings a very poor experience to the car owner. In addition, the instability of the cigarette lighter voltage will also cause certain damage to the mobile phone. In-vehicle wireless charging solves this problem. The car wireless charging solution is the application of mobile phone wireless charging technology in the car. This technology provides a comfortable and convenient experience for charging mobile phones in the in-vehicle charging area. It also solves the problem of traditional charging methods. It is convenient, and there are many troubles such as forgetting to bring the charging cable. If the car is equipped with a wireless charging launch board (or built in the center console), the user can put the mobile phone into the charging area to start charging, without further operations, just pick up the mobile phone and need to answer the call, and the charging process is interrupted. When you're done using your phone, put it back in the charging area to start the charging process all over again. The mobile phone battery is invisible and fully charged, which is safe and convenient. In addition to the in-vehicle wireless charging module of sensor technology, in addition to integrating sensor technology IPS technology, it can also integrate various modules to provide various in-vehicle intelligence and value-added services.

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2021-05

Wireless charging IC: principle of wireless charging

Wireless charging IC manufacturers recommend the principle of wireless charging : electromagnetic induction The alternating current of a certain frequency in the primary coil generates a certain current in the secondary coil through electromagnetic induction, thereby transferring energy from the transmitting end to the receiving end. At present, the more common charging solutions use electromagnetic induction. In fact, there is not much mystery in the technical realization of electromagnetic induction solutions. BYD applied for a patent for non-contact inductive chargers in December 2005 . Electromagnetic induction technology. Magnetic resonance It consists of an energy transmitting device and an energy receiving device. When the two devices are adjusted to the same frequency, or resonate at a specific frequency, they can exchange energy with each other. It is a technology currently being studied . radio wave This is a relatively mature technology, similar to the ore radio used in the early days. It is mainly composed of a microwave transmitting device and a microwave receiving device. It can capture the radio wave energy bounced off the wall and maintain a stable DC while adjusting with the load. Voltage. This method requires only a transmitter mounted on a wall plug and a " mosquito " receiver that can be mounted on any low voltage product. Wireless charging technology does sound futuristic, after all, everything is going wireless these days. Although wireless charging is in line with the current technology development trend, a major factor limiting its popularity in the market is the low charging efficiency. The above is the content that Beiland Xiaobian has collected for you. If you need it, please contact us. The company focuses on the research and development and sales of fully synchronous digital demodulation wireless charging ICs , bringing high-quality and convenient perception experience to wireless charging products such as mobile devices and consumer electronics. The company has sufficient technical research and development and quality control capabilities, and the core research and development team comes from TI , NXP , ST 's R & D elite, in wireless charging solutions, wireless charger solutions , wireless charging mobile power , wireless charging system architecture, mobile phone wireless charging solutions, circuit design, digital-analog hybrid circuit design, algorithm research and development and other fields are 10 Wireless charging solution provider for more than 10 years. A wireless charging solution company that provides the highest quality wireless charging ICs and technical solutions for global enterprises. Products using Bayland's wireless charging solution are exported to the United States, Europe, Japan, South Korea and other countries and regions.

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2021-05

Wireless charging single chip microcomputer scheme: wireless charging is the key link to help the intelligent era

The wireless charging microcontroller solution company analyzes that electric energy is an important basic energy source, which has brought great convenience to daily life and industrial production through continuous development. Today, in the 21st century, the production development of industrial society needs to rely more on electric energy. In the future, electric energy is bound to be one of the protagonists of green technology. Although the current power consumption problem can be solved by the traditional wired charging method, we still find that there are still a large number of disadvantages and charging problems of wired charging, whether in life or in industry. For example, when charging a mobile phone, in addition to the messy and lengthy power cords, it is necessary to find a suitable charging port and repeatedly plug and unplug it, which is really time-consuming and laborious, which makes the whole charging process very cumbersome; Electronic products such as computers, desk lamps, and stereos are undoubtedly the "hardest hit areas" for wired charging. In addition, as a new type of smart helmet, it needs to have multiple functions such as voice acquisition, video image acquisition, GPS positioning, storage, transmission, thermal imaging, night vision, 4G transmission, etc. The supply of electric energy is essential; because of its wide application For special application scenarios such as logistics, fire protection, electric power, coal mine, transportation, oil field, municipal construction, emergency command, etc., it is necessary to seal as much as possible to prevent water and dust. Therefore, how to make smart helmets more effective and safe charging is a major problem that needs to be solved urgently. At the same time, with the advent of the era of intelligence, automated and more convenient power supply methods are required. Traditional wired charging can no longer meet people's expectations for high-tech products, let alone meet the gradually upgraded electricity demand in industrial production. As a new high-tech technology, wireless charging, with its advantages of convenience, safety, durability and good user experience, allows users to completely get rid of the shackles of wires and build a more intelligent charging scene.

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