Coal-mine downhole integrated power supply

• Main Authors: WANG JUNFENG, LI XIAOHUA, CAO YANLIN, CHEN LIPING, BAI YONGQING, RUAN JUAN, MA SHUXIAN
• Format: Patent
• Language: Chinese; English
• Published: 26.03.2014
• Subjects: BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The utility model discloses a coal-mine downhole integrated power supply, and solves problems in the prior art that there are too many downhole power-supply devices, the occupied space is large, and the management is not easy. The power supply is characterized in that a power supply box body (1) is provided with a line-incoming horn mouth (2) and a line-outgoing horn mouth (3); the interior of the power supply box body (1) is provided with a binding-post plate (4), an isolation switch (6), a transformer (9), a contactor (12), and a line-outgoing binding post (15); a power input line (17) is electrically connected with a binding post (5) on the binding-post plate (4) through the line-incoming horn mouth (2); the binding post (5) is electrically connected with an isolation-switch input end of (7) of the isolation switch (6); an isolation-switch output end of (8) of the isolation switch (6) is electrically connected with an input end (10) of a transformer (9); an transformer output end (11) is electrically conne