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1997年,中央电视台《夕阳红》栏目专门报道了一位老人——70岁的“老革命”王家海先生。他发明的灯泡延寿垫片等十多项专利,不但填补了国内空白,而且还多次获得了国家发明银奖。1990年,王老的一位老战友换顶棚灯泡时,摔成骨折。自己家的楼道灯泡也是常换常坏,极不方便。王老想,自己有一定的电学知识,能不能琢磨出一种产品,免除高空换灯之苦呢?近一年的上百次实验,他利用铜片导电的原理,发明出一种垫片,放到灯泡顶端,直接拧进灯座就行。这样,不但能省电50%以上,而且还使灯泡延长寿命20倍!老战友
In 1997, the CCTV “Sunset Red” section covered an elderly man, Mr. Wang Jiahai, aged 70. He invented more than 10 patents, such as lamp life extension gaskets, not only filled the domestic blank, but also repeatedly won the State Invention Silver Award. In 1990, Wang Lao an old comrade for the roof bulb, fell into a fracture. Corridor light bulbs of their own homes are often changed often bad, very inconvenient. Wang Lao think, they have a certain degree of electrical knowledge, can you figure out a product, eliminating the pain of high altitude lights? Hundreds of experiments in the past year, he used the principle of conductive copper, invented a gasket , Into the top of the bulb, screwed directly into the lamp holder on the line. In this way, not only can save more than 50%, but also to extend the life of light bulbs 20 times!