1988年3月在长春地质学院通过了“TSJ-1型图书馆书库光控电子节电器”技术鉴定。该仪器是根据光电转换原理,研制出供图书馆书库使用的一种光控电子节电装置,本装置可根据工作人员的需要,自动控制电灯的开关,既方便工作,又节省电能,根据闭架书库使用得知,使用此装置可节约电能80％以上。 March 1988 in Changchun Geological College adopted the “TSJ-1 Library Library Light-controlled electronic Power Saver” technical appraisal. The instrument is based on the principle of photoelectric conversion, developed for the library library using a light-controlled electronic energy-saving device, the device can be based on staff needs, automatic control of the light switch, both to facilitate work, but also to save energy, according to the closed Use of bookshelves learned that the use of this device can save more than 80% of electricity.