据报道,北京住总集团工程总承包部塔吊队某经理发明一种“黑匣子”检测仪,检测人员可通过观察面板上的三块电压表及发光二级管的反应情况,准确判断出“黑匣子”的好坏以及问题所在。这项检测仪的成功发明及使用,为企业安全生产提供了可靠的技术支持与保证, According to reports, a general manager of the Beijing-Zhuhai General Contracting Department, a crane group invented a “black box ” detector, the inspectors can observe the panel on the three voltmeter and light-emitting diode response to accurately judge “Black box ” is good or bad and the problem lies. The successful invention and use of this detector provide reliable technical support and assurance for the safety production of the enterprise,