Two-station voltage-regulating switching power supply circuit board detection circuit having electric self-locking function

• Main Authors: ZHAO KAIPENG, CHEN BINGJUN, ZENG KUN, QIU PENGCHENG, PENG YUNHUA, LIANG GUOJIAN
• Format: Patent
• Language: Chinese; English
• Published: 10.05.2019
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention discloses a two-station switching power supply circuit board detection circuit having an electric self-locking function. The two-station switching power supply circuit board detection circuit is characterized in that the detection circuit comprises a voltage regulator and a front protection circuit thereof and an indication circuit, a change-over switch circuit at the input side of aDC1/DC2 DC loop, and a DC1/DC2 DC output loop. The beneficial effects are that 1) the detection circuit has a two-station voltage-regulating detection function; 2) the detection circuit has an electric self-locking function, and can prevent the danger due to operation mistakes of detection personnel; and 3) the detection circuit can improve detection efficiency of a switching power supply circuitboard. 本发明公开了一种带电气自锁的二工位开关电源线路板检测电路，其特征是包括：调压器及其前级保护电路和指示电路、DC1/DC2直流回路输入侧的转换开关电路和DC1/DC2直流输出回路。本发明的有益效果是：1)具有二工位可调压的检测功能；2)带电气自锁功能，能有效防止检测人员因为才做失误引起的危险；3)能够提高开关电源线路板的检测效率。