Safety control switch displacement device of ring main unit
The utility model relates to a ring main unit safety control switch displacement device, and belongs to the technical field of power distribution operation and maintenance devices. According to the technical scheme, an electrical five-prevention lock (1) is respectively connected with a ring main un...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a ring main unit safety control switch displacement device, and belongs to the technical field of power distribution operation and maintenance devices. According to the technical scheme, an electrical five-prevention lock (1) is respectively connected with a ring main unit opening/closing change-over switch (2) and a control box opening/closing change-over switch (3) through a closing/opening common end (15), and then is connected with a switch opening loop (5) and a switch closing loop (6) through a relay protection device (4) to form a remote opening circuit; and the circuit breaker normally-closed contact (7) and the circuit breaker normally-open contact (8) are respectively connected to a switch-on and switch-off common end (16) through the indicator lamps (9) to form a switch position display circuit. The beneficial effects of the utility model are that by adopting the control box with the remote control module, remote switching-on/switching-off operation of the ring main uni |
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