Cars have always been moving in the direction of comfortable and convenient transportation. However, in the Great East Japan Earthquake, the use cases of automobiles as emergency power generation devices and power storage devices have emerged in an endless stream. Can a car be a new "power source" and become part of the future social infrastructure? This serial will be divided into three times to think about the energy source of the car.
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In the Great East Japan Earthquake on March 11, 2011, Japan was seriously affected by the Pacific coast from the northeast to the Kanto region. A large-scale power outage occurred in the northeastern region, and even in the wake of the tsunami, the recovery of power infrastructure in some areas took about a week, although in the past it was thought that the power infrastructure would “recover faster†than other social infrastructure.
In the meantime, the life without electricity has brought a lot of trouble to the people in the disaster area. Such as a mobile phone.
The fixed-line network was destroyed by the earthquake, and the mobile phone network that can only rely on it was in a state of being unable to talk after the earthquake. Further, although the mobile phone base station is provided with a power storage device for coping with a short-time power failure, after a few hours of power failure, most of the base stations also stop working because the power storage device is exhausted. Although some base stations rely on their own generators and power supply vehicles to keep running, but the power outages are still unable to charge the outside world because the mobile phone can not be charged. Even areas that were originally thought to be independent of electricity were affected by power outages. For the northeastern part of Japan when fashion is in the cold, heating is essential. However, families with kerosene but not heating and heating have emerged. Because these families use kerosene heaters. Fans for kerosene heaters must be powered electrically. Since the power supply in the entire northeast region is only about 20 to 30 kW, many people have not escaped the raging cold.
Many people say that the role of the car at this time is actually very large. Not only as a mobile and transportation tool, but also other functions of the car, including using car radio and TV to listen to the news, heating in the car, the additional features of the car come in handy. In addition, many people say that "the car has played a role as an emergency power source." Especially praised is the use of car cigarette lighter to charge the phone.
The car's cigarette lighter has a power supply function of 12V (24V for trucks) using a battery (lead battery) equipped with a vehicle. Recently, lead storage batteries for automobiles are widely used as power sources for a variety of devices such as a compact car navigation device (PND) and a portable music player.
As long as you have an adapter that can charge your phone with a cigarette lighter, you can charge your phone. In addition, some hybrid vehicles, including Toyota's "Estima Hybrid", can even drive home appliances directly with a home power (AC100V) jack.
The engine car can use the rotation of the engine to drive a small "alternator" to charge the lead battery. That is equipped with a small generator. In an emergency, as long as the engine is started and the lead battery is charged, it is possible to drive an electric appliance with a small power consumption. Hybrid vehicles are equipped with larger generators (drive motors) and drive batteries (NiMH batteries and lithium batteries) to provide more power. The Estima Hybrid is powered by a maximum output of 1500W.
The "Estima Hybrid" can be equipped with sockets. The power that can be utilized is up to 1500W
In view of the important role of the car as an emergency power source in the disaster area, Toyota representative director Toyoda Akao revealed at the meeting in April 2011 that the hybrid car "Prius" and the plug-in hybrid scheduled to be launched in 2012. The power car will be equipped with a household power outlet. The socket will be installed on the Prius and other models from the beginning of 2012.
Since the car can be used as an emergency power source, is there any new way to use it? According to this idea, during the peak hours of the day, the car should be used as an emergency power source.
Although it is not difficult to use existing vehicles, considering the popularity of hybrid vehicles, plug-in hybrid vehicles, and electric vehicles equipped with large batteries in the future, people should seriously study the use of automobiles as power storage devices from now on. . In fact, from a few years ago, the "V2H (Vehicle to Home)" and "V2G (Vehicle to Grid)" ideas for the two-way connection and exchange of electricity between automobiles, homes, automobiles and power networks have been carried out on a global scale.
In December 2009, the "Prius Plug-in Hybrid" was launched for limited purchase and sale. It is planned to start mass production on the scale of tens of thousands of vehicles per year from 2012.
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