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今年八月,第九届宋庆龄少年儿童发明奖落幕,看似很简单的“桶内挂圈”“防爆银行交易窗口”获得了金奖、银奖。粗略搜索一下,各种针对中小学生的发明创作比赛并不少,什么样的小发明是好发明?越复杂越高端越好吗“用太阳能板收集太阳能,把太阳能转化成电能,把电能储存在电池中,通过把电池中的电能进行转换,同时利用PALM和手机里面的电磁线圈产生电磁感应
In August this year, the ninth Soong Ching Ling Children’s Invention Award came to an end, seemingly very simple ”barrel hanging ring “ ”explosion-proof bank trading window “ won the gold medal, silver medal. Rough search, a variety of primary and secondary students in the invention competition is not less, what kind of small invention is a good invention? The more complicated the more high-end the better? ”Solar panels to collect solar energy, the solar energy into electricity, the electrical energy storage In the battery, by the battery power conversion, while using the phone and the electromagnetic coil inside the electromagnetic induction