Review of the 2022 World Wireless Charging Conference, sharing by 13 guests

foreword

On November 11, 2022, the 2022 World Wireless Charging Conference (WWCC) jointly sponsored by the Nanchang Municipal People's Government and China Communications Industry Association was held in Nanchang Greenland International Expo Center, bringing together experts from the global wireless charging industry chain , Scholars, business representatives and other big names in the field of radio technology exchanged information on wireless charging technology and the future development trend of radio.

The existing power transmission methods are divided into wired and wireless transmission. As a representative power supply technology of a new round of technological revolution, wireless charging transmission technology will eventually be used in the field of smart cars, smart mobile devices, and smart machines with the advent of the smart era. Changing the existing wired power transmission method in fields such as smart robots and other fields will become the key to driving the development of wireless charging and industrial transformation and upgrading, and changing the way human energy is transmitted.

The 2022 World Wireless Charging Conference held on November 11, with the direction of "creating a world-class wireless charging industry cluster", invited 13 representatives of well-known companies in related industries to give speeches, hundreds of well-known business leaders and thousands of global companies. The purpose of participating in the upstream and downstream industry chain enterprises of wireless charging is to build a platform for new product releases and technical exchanges for industry chain enterprises, and at the same time provide a window for industry practitioners to understand the latest information on the wireless charging industry, thereby boosting the development of the industry.

The following is a wonderful review of some exhibition sites:

Paul Struhsaker: WPC – A Roadmap of the Future of Wireless Charging (WPC – A Roadmap of the Future of Wireless Charging)

Paul Struhsaker: WPC – A Roadmap of the Future of Wireless Charging (WPC – A Roadmap of the Future of Wireless Charging)

Paul Struhsaker, executive director of the WPC Wireless Power Consortium, is a seasoned innovation and engineering executive: he has experience leading transformation across multiple industries, including wireless networking (cellular and Wi-Fi), consumer electronics, silicon platforms, and large-scale cloud Client computing. He has held C-level or VP-level positions at Dell, Cablevision, AMD, Motorola, and Carnegie Technologies. In the standards area, he has held leadership positions in several organizations, including Chair of the IEEE 802.11b Standards Group and Vice-Chair of the IEEE 802.16 Standards Group, as well as 3GPP Standards, LoRa Alliance, and Open Cable Software Standards. Paul brings a global business perspective from his experience in the Americas, Europe, Middle East and throughout Asia Pacific. Also, he holds more than 60 patents in wireless and cellular, IoT, cable and network infrastructure technologies.

Paul Struhsaker brought WPC to the radio conference this time - the future roadmap of wireless charging and the strategic goals of WPC. In 2023, WPC will support both mobile phones and accessories, which can be uniformly charged through the QI 2.0 protocol, wireless kitchens, light electric vehicles, industrial robots, etc. 4 standards in the field.

WPC's current work focuses on building a standard WPC future brand and ecology, focusing on the phased development of product diversification in the fields of Qi protocol, Ki wireless kitchen, industrial robots and LEV light electric vehicles, and ensuring the quality of WPC's future brand through continuous improvement and expansion testing .

Hao Peng: Application of wireless charging in household and industrial fields

Dr. Hao Peng himself graduated from the University of Melbourne. He is the chairman of the medium and high power related working group of the International Wireless Power Consortium (Wireless Power Consortium). He is responsible for the formulation of international standards for wireless charging. He is also a senior member of the Chinese Electrotechnical Society. Chairman of Industry Standards.

He has more than 20 years of experience in technology and product research and development in the fields of electrical and electronic engineering and wireless power transmission. He has successively worked in Shanghai Ship Equipment Research Institute of China Shipbuilding Industry Corporation, the Australian National Information and Communication Research Center and Jiangsu University of Science and Technology. He has profound wireless experience. Research experience, Dr. Hao Peng explained the application of wireless charging in household and industrial fields at the conference.

Dr. Hao Peng mentioned the household and industrial standards of WPC wireless charging, the Qi standard on the mobile phone terminal, the power can reach 15W, and will transmit more power in the future; the Ki standard of the wireless kitchen allows users to redefine how the wireless kitchen prepares food, cooks and Cleaning up; standard setting for light electric vehicles, making it easier to wirelessly charge electric bicycles, scooters and other light electric vehicles anywhere; providing wireless power for robots and other electrical equipment in industry and manufacturing.

Liu Yunzhu: Wireless Charging Compulsory Standard Dynamic Quasi-Dynamic for Electronic Products

Liu Yunzhu is the main drafter of GB 4943.1-2022 "Audio and Video, Information Technology and Communication Technology Equipment", the second drafter of the industry standard for outdoor power supplies, the first drafter of the new version of the national standard for power banks, the first drafter of the industry standard for car chargers, and the standardization of China's electronic technology Secretary of the National Electronic Safety Standards Committee of the Research Institute/Technical Director of the Safety Laboratory, etc.

At the conference, Liu Yunzhu fully demonstrated his rich knowledge reserve on the safety of wireless charging functions. It is mentioned that the domestic radio standard GB 4943.1-2022 adopts the standard of "International Standard IEC", which means that the mandatory national standard of GB 4943.1-2022 basically meets the safety requirements of international standards and other national standards, and provides a guarantee for our products to enter the world Other countries offer certain conveniences.

Liu Yunzhu also cooperated with China Quality Certification Center (CQC) and charging head network to initiate the work of "mandatory wireless charging standard certification for electronic products". At present, the relevant standards of wireless charging include four parts of "Wireless Charging Device for Mobile Terminals" and the "Technical Specifications for Standard Load Safety Test of Wireless Charging of Electronic Products" that are being submitted for approval. Actively implement the safety requirements of mandatory national standards for wireless charging, and help wireless charging The high-quality development of the charging industry can better protect the health of the people and the safety of life and property.

Pan Wei: Introduction to Safety Certification of Wireless Power Transmitters

Pan Wei is a senior engineer of the product certification department of China Quality Certification Center, and the person in charge of the wireless charging certification project. He has been engaged in the testing, standards and certification of audio and video, information technology and communication technology products for a long time. With more than 20 years of experience, he has accumulated rich project experience.

Pan Wei at the conference focused on the reasons for the emergence of wireless charging technology and its advantages compared with traditional wired charging. With technology iterations and changes in consumer demand, the charging needs of electronic products are gradually adding diverse features such as technologies and scenarios. Charging technology came into being. Compared with traditional wired charging, wireless charging has advantages in terms of safety, flexibility and versatility. Wireless charging technology does not need to match the charging socket type of consumer electronics, and is easy to use, which greatly meets the needs of consumers.

However, the wireless power transmitter used for near-field wireless power transmission can heat metal foreign objects that may be placed near or on the transmitter. In order to avoid burns due to the high temperature of metal foreign objects, the safety requirements for this product in the national standard Relevant regulations have been carried out. Relying on CQC's rich certification experience, the CQC voluntary certification of wireless charging products will be carried out, and the unified evaluation requirements for this product will be formed, which will play a positive role in promoting the development of the industry. The products applicable to this certification business include Class III wireless power transmitters and components for audio and video, information technology and communication technology equipment.

Zhu Qi: Wireless power transmission is not just a coil"——Xiaomi's rethinking of wireless charging

Zhu Qi, Ph.D. in Power Electronics, Central South University, postdoctoral fellow, University of Auckland, New Zealand, is currently a senior hardware R&D engineer in the mobile phone department of Xiaomi Group, and an expert in wireless charging technology. Since 2014, he has been engaged in research in the field of wireless power transmission technology and power electronics technology. He has published 50+ academic papers, and Google Scholar has cited more than 570+ times.

In August 2022, it ranked 266th among the world's top 500 companies. Wireless charging technology is a technical field that Xiaomi focuses on. Xiaomi has proposed many ideas for the future development of wireless charging technology. It was mentioned at this conference that wireless energy transmission is not just a coil. This is Xiaomi's rethinking of wireless.

JAMES WU : Shell-Photovoltaic Energy Storage Sustainability Carbon Neutral Electric Two-Wheeler Market

Mr. Wu Youjie, currently the general manager and co-founder of Dongguan JASONS Ecological Technology Co., Ltd., co-founder of Shenzhen Juneng Zhonghe New Energy Co., Ltd., global marketing director of Shenzhen Institute of Automotive and Aviation Technology Co., Ltd., electric two-wheeler in Shell China Car agent.

Mr. Wu Youjie demonstrated the "Shell Shared Fairchild Travel" project at the conference, which is a zero-carbon emission project based on photovoltaic energy storage wireless charging management system, intelligent battery management BMS system, and cloud network monitoring platform . Jesons has developed photovoltaic systems, energy storage systems, and MWC charging technology (Magnetic Wireless Charging), and will start operations in closed areas such as campuses, scenic spots, and factory areas, and use special algorithms to calculate "carbon footprints". The "carbon neutral" system of the energy storage system completely creates a zero-carbon travel mode.

JS's wireless charging technology has a non-contact wireless charging system, which is 3 times smaller than other charging methods in the industry, 30% lower in temperature, 1 times lower in cost, 100,000 times faster in response, 10 times safer and less expensive to maintain 10 times lower, wireless charging can provide a variety of electric devices with the advantages of low-temperature safety, low-cost, and high-power services.

Lu Jun: Development status and trends of electric vehicle wireless charging technology

 

Lu Jun, Chief Engineer of Hefei Yougan Technology Co., Ltd. is a professor-level senior engineer. He has more than 20 years of experience in technology research and development in the fields of new energy power generation and wireless charging. He is a member of the national standard working group for wireless charging of electric vehicles. He once presided over the Completed a number of national-level research projects, among which the "Key Technology and Industrialization of Electric Vehicle Wireless Charging" project won the first prize of Tianjin Science and Technology Progress Award.

At the conference, Chief Engineer Lu Jun emphasized that complete intelligent driving includes automatic energy supply during the parking phase. Wireless charging is the best solution to support automatic parking and automatic driving to realize full unmanned operation. " and "connected, intelligent" an indispensable link. The technical development level of wireless charging for electric vehicles in my country has reached the international advanced level. Various car companies such as BAIC, FAW, and SAIC Zhizhi have released or launched models equipped with wireless charging. The industrialization of wireless charging for electric vehicles has been fully launched.

The main function of wireless charging at this stage is to automatically replenish power, which can realize charging at any time. With the popularity of wireless charging, daily use in urban areas no longer requires special charging operations, which may overturn the current energy replenishment habits. Through continuous technical iterative upgrades, the popularity of wireless charging technology will be promoted. The development of wireless charging will be aimed at greatly reducing costs, increasing charging power and offset tolerance, and enabling electric vehicles to have a better charging experience.

Wang Guangning: NXP's new car wireless fast charging solution

Mr. Wang Guangning is the product manager of NXP Semiconductors' wireless charging and Internet of Things solutions. He is responsible for the definition of wireless charging and Internet of Things products, market strategy, and product training and management. The products cover consumer, industrial and automotive grades.

Mr. Wang Guangning joined the former Freescale Semiconductor Microprocessor New Product Definition Department in 2013. He has rich management and planning experience in various fields of microprocessor product lines, including smart grid, face recognition, POS security mobile payment, Applications such as voice recognition and wireless charging.

Mr. Wang Guangning demonstrated the leadership and advantages of NXP's new car wireless fast charging solution at the wireless charging conference. NXP's wireless charging solution leads the future direction of wireless charging. The overall solution design spans multiple NXP product lines and integrates NXP's product lines Software and hardware to support and develop system-level overall solutions, wireless charging solutions, Qi-certified transmission and reception solutions, including NXP application layer software, library files, controllers, NFC card readers and power devices, etc., which can accelerate and help customers Wireless charging products from concept to product launch.

Cui Jianguo: From three cases to see the application of wireless charging in the field of robotics

Cui Jianguo, CTO of Chushan (Shenzhen) New Energy Technology Co., Ltd., has a wealth of experience during his tenure in Chinese and multinational companies, including technological innovation, product development, and supply chain management professionals, as well as leading a number of new technologies and product development and application, as well as certain military products, power products, high-end medical products, smart logistics and Internet of Things products. At the same time, he has a number of patents in sensors, Internet of Things, power products and wireless charging; he has compiled many books on machine vision and sensor technology. He once worked as a professional technician and middle and senior management positions in a military product research institute, Schneider Electric, Rockwell Automation, IBA and Yuanda Group; he has obtained the professional titles of senior mechanical engineer, registered electrical engineer, and senior procurement engineer, and also served as a light-duty engineer of WPC Co-Chair of the Electric Vehicle Wireless Power Transmission Subcommittee (LEV).

Mr. Cui Jianguo’s speech this time is to look at the application of wireless charging in the field of robots from three cases. This report starts with several wireless charging products with powers of 100 watts, 400 watts and 1.5 kilowatts, and introduces their respective applications in lawn mowers. , warehousing AMR and applications on large AGVs.

Working experience in Chinese and multinational companies, comprehensive experience in technological innovation, product development, supply chain management, etc. It can quickly analyze the technical difficulties of medium and high power such as hundreds of watts and kilowatts. Especially for special scenarios, this technology sharing can let industry guests quickly know that wireless charging is safe, convenient and efficient for charging electrical equipment, and has played an irreplaceable role in meeting the high-frequency and rigid needs of charging.

Mike Tan talks about Lutan: Introduction to Infineon's low-power wireless charging transmission solution and high-power density charger solution

Mike Tan talks about Lu Tan, as the application market manager of Infineon Power and Sensing Systems Division Greater China, has more than 10 years of experience in the consumer electronics industry. He joined Infineon in 2021 and is responsible for the power supply application market, low and medium power Consumer and automotive wireless charging market.

Mike Tan said that in the face of wireless charging challenges in the market, Infineon will provide complete and systematic solutions, and continue to expand application scenarios. The current challenges are standardization, interoperability, compatibility, flexible software configuration, etc. question.

The advantages of Infineon are excellent power management, excellent power performance and heat dissipation experience, and sensitive, accurate and excellent foreign object detection algorithm. In the future, we will mainly promote digital control chips, cost-effective MOS, GaN devices with higher integration and reliability, and more product plans for chargers.

Linghan Li: Technology and industrialization progress of high-power wireless power home appliances

Li Linghan, CEO of Zhonghui Chuangzhi (Shenzhen) Wireless Power Supply Technology Co., Ltd., obtained a bachelor's degree in engineering and a doctorate in engineering from Shanghai Jiaotong University and Tokyo University in Japan. After returning to China, he led the team to overcome the practical difficulties of foreign object detection (FOD) in medium-power wireless power supply, and promoted the industrialization of wireless power supply in the robot and household appliance industries.

Li Linghan is also a director of the Guangdong Provincial Youth Federation and a standing member of the Yunfu Municipal People's Political Consultative Conference. At the radio conference, Li Linghan mainly mentioned the following four points regarding the progress of high-power wireless power supply household appliances technology and industrialization.

The first is to review the current technical progress of medium and high-power wireless power supply technology and the industrialization progress in the fields of mobile robots, intelligent 3C products, household appliances, electric vehicles, etc. The third is to introduce the current industrialization progress of wireless power supply kitchen appliances in detail, and explain the combination of wireless power supply technology and the home appliance industry to create opportunities for new industrial upgrading. The landing case of the wireless power supply kitchen appliance products systematically explained the technology and industrialization progress of high-power wireless power household appliances.

Chen Yulin: The Application of Gallium Nitride in the Field of Wireless Charging

Mr. Chen Yulin, Vice President of Product Application of InnoSecco, has worked in the EPC company of the United States for 7 years. He belongs to the first batch of domestic technical talents who promote gallium nitride. He has 17 years of experience in the power electronics semiconductor industry and 11 years of experience in the application and market of gallium nitride devices. Promote experience. With rich experience and keen market insight in gallium nitride technology and applications, it has established in-depth partnerships with many major domestic customers.

The content of Mr. Chen Yulin's speech is that with the increasing demand for multi-device power consumption, fast charging, and convenient charging, the market demand for wireless charging has become more urgent. Although many wireless charging products applied to consumer electronic devices have appeared on the market, there are still many inconveniences in the actual use process, and the user experience is greatly reduced. In the field of electric vehicles, wireless charging also has a lot of room for development.

The third-generation semiconductor gallium nitride material has the characteristics of high breakdown electric field, low on-resistance, and no reverse recovery. Combined with the innovative wireless charging scheme design, it can not only bring more high-frequency and high-efficiency advantages, but also allow users to get more Convenient and intelligent wireless charging experience, so that charging is not "wired". It is believed that GaN will also show greater potential in the wireless charging scenario of electric vehicles in the future, bringing a broader space for the wireless charging market.

Dong Sanbi: Challenges to the Quality of New Technology Application of Wireless Charging Devices for Mobile Terminals

Dong Sanbi, Executive Vice President of Weikai Shenzhen Company, a senior technical person in the field of wireless communication, has 20 years of experience in the field of EMC/RF/Mobile certification testing, and has obtained Reviewer qualifications for wireless communication products in the United States, Canada, and Europe. Have certain research on 5G wireless communication, communication quality, etc., and have solid experience in wireless communication.

Mr. Dong Sanbi said at the conference that based on the research and technical capabilities of CVC in the field of wireless communication, this forum will output the challenge of new technology application quality of wireless charging devices for mobile terminals. By interpreting the new technology application content of the mobile terminal wireless charging device, the quality challenges faced by the new technology are put forward.

At the policy level, interim regulations on radio management of wireless charging (power transmission) equipment have been formulated, and products face the challenges of new testing standards and requirements; The challenge of electromagnetic compatibility has become the focus of attention; in terms of integration with the human body and nature, challenges such as product contact temperature challenges, environmental adaptability challenges, failure analysis and quality improvement deserve great attention from enterprises. Weikai helps enterprises start from technology and lead professionally to promote high-quality development in the field of wireless charging

Charging head network summary

The 2022 World Wireless Charging Conference, co-hosted by the Nanchang Municipal People's Government and the China Communications Industry Association, invited many well-known experts in the radio field, as well as many manufacturers and engineers to discuss and share the latest technological breakthroughs and future prospects for wireless charging. Among them, the multi-field application, mandatory standards, transmission methods and existing application quality problems of wireless charging are discussed.

Improving wireless charging transmission issues, transmission methods, and application technical issues are all the latest breakthroughs in the wireless charging industry. The use of wireless charging technology can realize the vision of technology changing life. Various manufacturers and exhibitors have come up with their new technologies and methods to help the green and sustainable development strategy of the wireless charging industry.