Fundamentals, standards, and applications xiao lu, dusit niyato, ping wang, dong in kim, and zhu han abstract wireless charging is a technique of transmitting power through an air gap to an electrical device for the purpose of energy replenishment. The project is meant to charge a low power device quickly and efficiently by. Recent advances in circuits wireless power transfer. Department of electronics and communication engineering, geethanjali institute of science and technology, andhra pradesh, india. Wireless power transmission for charging mobile devices. Wireless charging of mobile phones using microwaves ijesit. This aluratek alarm clock charges your mobile devices through the builtin qi wireless charging pad and the builtin usb port.
It has its drawbacks which the users must know before they opt for it. In contemporary kitchen spaces, cabinet crowns and cooking islands have soft color palettes. Wireless charging of mobile phones using microwaves seminar. Abstractin todays fast moving world, cell phones have become inseparable part of life. Get more information about wireless charging of mobile phones using microwaves pdf abstract by visiting this link. Aluratek alarm clock with nightlight and qi wireless. Consequently, the more you talk on your cell phone, the more it gets charged as you talk. Wireless power transmission for charging mobile devices using. In a wireless power transmission system, a transmitter device, driven by electric power from a power source, generates a timevarying electromagnetic field, which transmits power across space.
Wireless charging of mobile phones using microwaves presented by aishwarya c ec8a roll no 6 under the guidance of mr. Mathematical model the mathematical model of the wireless power transfer system through inductive coupling method is illustrated in this section. Wireless charging works well with mobile phones, digital cameras, media players, gaming controllers and bluetooth. Wireless charging of mobile phones using microwaves sakthi abirami. The rate at which batteries drain depends on the manufacturers of both batteries and mobiles. Consumers are wild about the convenience of simply placing a portable device on a charging mat. Explore wireless charging of mobile phones using microwaves with free download of seminar report and ppt in pdf and doc format. Abstract wireless charging is a innovation of transmitting power through an air gap to loads f with the end goal of energy. This method of wireless charging of cell phones is done automatically while you talk on your phone by using microwaves. It is described as the safest, most efficient and most effective way to transfer power without wires. With the improving technology,the communication is very important. Microwaves are the radio waves that are used to communicate through two mobile phones.
Wireless charging is a technique of transmitting power through an air gap to an electrical device for the purpose of energy replenishment. L band 1 to 2 ghz long military telemetry, gps, atc radar s band 2 to 4 ghz short weather radar, surface ship radar, microwave ovens, microwave devicescommunications. When traveling, we could simply overlook about usb cables and the traditional chargers. Radiative wireless charging adopts electromagnetic waves, typically rf waves or microwaves, as a.
Wireless charging using microwaves 1srinath nair and 2loukik pingle 1,2department of electronics and telecommunication engineering, modern education societys college of engineering, pune. Microwaves are radio waves a form of electromagnetic radiation with wavelengths ranging from as long as one meter to as. Download the seminar report for wireless charging of mobile. Introduction to wireless charging of mobile phones using microwaves seminar topic. Wpt can be utilized to charge batteries in various pieces of equipment without the need for a wired connection.
Wireless power transmission is defined as the transfer of power from power source to an electrical load across an air gap without interconnection wires. L1 design and construction of wireless charging system using. This is done using charging a resonant coil from ac and then transmitting subsequent power to the resistive load. Aluratek alarm clock with nightlight and qi wireless charging. Also the important work done by a rectenna is to convert the current induced by the microwaves in antenna to direct current dc. An innovative idea 209 need for wireless power transmission wireless transmission is employed in cases where instantaneous or continuous energy transfer is needed, but interconnecting wires are inconvenient, hazardous, or impossible. Wireless charging of mobile phone using microwaves. Wireless power transmission using resonance inductive coupling. Wireless power transmission mobile charger circuit using inductive coupling is to charge a low power device using wireless power transmission.
Microwaves are good for transmitting information from one place to another because microwave energy can penetrate haze, light rain and snow, clouds, and smoke. Wireless power transmission wpt, resonance inductive coupling ric a. Wireless power transmission using resonance inductive. C band 4 to 8 ghz compromise between s and x longdistance radio telecommunications x band 8 to 12 ghz. The microwaves undergo power loss when propagating through air, the rectenna rectifies them at the receiver side to gain the power again. Tech computer science student vit university vellore,tamilnadu,india. L1 design and construction of wireless charging system. Wireless charging of mobile phones using microwaves, ask latest information, wireless charging of mobile phones using microwaves abstract,wireless charging of mobile phones using microwaves report,wireless charging of mobile phones using microwaves presentation pdf,doc,ppt,wireless charging of mobile phones using microwaves technology discussion,wireless charging of mobile. Recently, the wireless charging technology has been. It is the fastest and the easiest medium of communication.
It is a hectic task to carry everywhere the charger of mobile phones or anyelectronic gadget while travelling, or it is very cruel when your mobile phone getting offby the time you urgently need it. On the other hand, in farfield technologies, power is transferred via electromagnetic radiation such as microwaves and laser beams. Microwaves are the radio waves which provide communication between two mobile phones. Seminar report on wireless charging of mobile phones using. Recent advances in wireless power transmission wpt technologies have enabled various engineering applications with potential product implementation. Scientists discover method of charging phones with microwaves researchers from duke university say wifi signals could be harvested to charge phones in areas without access to power. A charging station sends energy through inductive coupling to an electrical device, which stores the energy in the batteries. April 2017, volume 4, issue 04 jetir issn23495162 jetir1704036 journal of emerging technologies and innovative research jetir. Charging of cell phone is always been a problem for the users. Download the seminar report for wireless charging of. Wireless mobile phones charging a comprehensive study. Sep 21, 2012 introduction to wireless charging of mobile phones using microwaves seminar topic. The main objective of this current proposal is to make the recharging of the mobile phones independent of their manufacturer and battery make. In this paper a new proposal has been made so as to make the recharging of the mobile phones is done automatically as you talk in your mobile phone.
Recent advances in circuits wireless power transfer through. Advantages and disadvantages of wireless phone charging. The ipt system is the worlds first commercially wireless electric car charging system. In this paper a new proposal has been made so as to make the recharging of the mobile phones. Also, power sharing techniques have been modified, based on users nearness mobile devices, that became able to get power from them. Battery life of mobile phone is always been a problem for manufacturers. Normally, the users of the mobile devices have the anxiety of power lack during carrying out a critical job and have no.
Microwaves have wavelengths that can be measured in centimeters. Wireless charging in your kitchen cordless kitchen. Wireless charging of mobile phones using microwaves pdf. Microwaves are radio waves whose wavelength ranges from 1mm to 1m and frequency ranges from 300 mhz to 300 ghz. The technologies, listed in the table below, differ in the distance over which they can transfer power efficiently, whether the transmitter must be aimed directed at the receiver, and in the type of electromagnetic energy they use. Another option to get your smartphone qiready is to use a phone case with a builtin receiver. Wireless charging of mobile phone using microwaves or radio frequency signals. Wireless mobile charger circuit using inductive coupling.
In modern era mobile phones are basic need of every person. Introduction the two main concepts which are base of this technique 1. Also explore the seminar topics paper on wireless charging of mobile phones using microwaves with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or. Wireless charging receiver patch specially designed for big size typec devices. Wireless charging of mobile phones using microwaves ppt. Wireless charging of mobile phones using microwaves ppt free download as powerpoint presentation. Wireless charging in your kitchen simple although traditional kitchen designs will always be popular, home owners nowadays prefer stylish and simplified interiors over busy furnishings. The microwave is sent with the message by the transmitter using. Get wireless charging of mobile phones using microwaves seminar report and ppt in pdf and doc. Wireless charging of mobile phones using microwaves, ask latest information, wireless charging of mobile phones using microwaves abstract, wireless charging of mobile phones using microwaves report, wireless charging of mobile phones using microwaves presentation pdf,doc,ppt, wireless charging of mobile phones using microwaves technology discussion, wireless charging of mobile phones using. Wireless charging of mobile phones using microwaves free download as powerpoint presentation.
Wireless charging of mobile phones using microwaves. Mar 08, 2014 there are three types of wireless charging. The development of wireless charging technologies is advancing toward two major directions, i. This is one of the best technologies and for this purpose we are proposing wireless charging of mobile phones by using microwaves. In recent years, an increasing development has been noticed in researches of wireless power transfer techniques to eliminate the use of the cables after wifi became widely utilized. Out of the vast radio frequency spectrum, microwave is selected for wpt for.
The wireless charging for a mobile via inductive coupling is illustrated in fig. However, techniques used in this category can only transmit power over a very short distance. Introduction the idea of wireless power transfer originated from the inconvenience of having too many wires sharing a limited amount of power sockets. Wireless charging with inductive coupling uses an electromagnetic field that transfers energy from the transmitter to the receiver. Wireless charging of mobile phones using microwaves authorstream. Pdf wireless charging of mobile phones using microwaves. Wireless charging of mobile phones using microwaves pdf abstract. The users keen to always keep their mobile devices with electric power as much as possible. Wireless power transfer wpt, wireless power transmission, wireless energy transmission wet, or electromagnetic power transfer is the transmission of electrical energy without wires as a physical link. Doc wireless charging of mobile phones using microwaves.
Also get the seminar topic paper on wireless charging of mobile phones using microwaves with abstract or synopsis, documentation on advantages and disadvantages, presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2016 2017. The basic design of this kind of wireless charger includes a transmitter and receiver section. Scientists discover method of charging phones with microwaves. Nov 03, 2015 in this paper, we would like to introduce a new idea with the charging of cell phones wireless with the help of microwaves over a large scale. Microwave is a lineofsight wireless communication technology that uses high frequency beams of radio waves to provide high speed wireless connections that can send and receive voice, video, and data information. Here we use microwaves as a power transmitter to our mobile phones.
One of the reasons why wireless charging is not fully integrated is that it still lacks efficiency compared to traditional. Energy can be harvested from ambient rf and microwave radiation and 1 million kw microwaves can be transmitted from space to the. Number of household points receives electricity at the same frequency using. Microwaves are radio waves a form of electromagnetic radiation with. This paper will show an overview study and basis of the wireless mobile phones charging techniques. Even though, wireless charging has its benefits, we know that it is still not perfect. The microwave signal is transmitted from the transmitter along with the message signal using special kind of antennas called slotted wave guide antenna at a. Energy can be harvested from ambient rf and microwave radiation and 1 million kw microwaves can be transmitted. Wireless charging of mobile phone using microwaves or. In this paper, we would like to introduce a new idea with the charging of cell phones wireless with the help of microwaves over a large scale. Accounting for other losses through the charging of the system, the battery is able to receive more than 5kw power. The longer microwaves, those closer to a foot in length, are the waves which heat our food in a microwave oven. Introduction to microwave example of a cablefree microwave link installation.
In particular, the transmitter emits 10kw power through microwaves at 2. April 2017, volume 4, issue 04 jetir issn wireless. Wireless charging of batteries using microwavespage 1wireless charging of batteries usingmicrowavesabstract. Pdf wireless charger networking for mobile devices.