Current abnormal condition monitoring device
The invention discloses a current abnormal condition monitoring device which comprises a shell, a dial and two plug wire holes are arranged on the front face of the shell, movable clamping pieces are arranged in the plug wire holes, a pointer is arranged below the dial, the pointer is rotationally i...
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| creator | DU SIYAO LI JINMING QI XINGE YIN ZIAN LUAN JINGZHAO GE LUJIE YAN SHUANGYE |
| description | The invention discloses a current abnormal condition monitoring device which comprises a shell, a dial and two plug wire holes are arranged on the front face of the shell, movable clamping pieces are arranged in the plug wire holes, a pointer is arranged below the dial, the pointer is rotationally installed on the shell, and a driving piece used for driving the pointer to rotate is arranged on the inner side of the shell. The driving part comprises a magnet, two pole shoes, a spiral spring, an aluminum frame and a rotating shaft, the two pole shoes are fixed to the two sides of the magnet, the opposite sides of the two pole shoes are arc surfaces, the aluminum frame and the arc surfaces of the pole shoes are concentrically arranged, and the aluminum frame is rotationally installed in the shell through the rotating shaft. The magnet and the pole shoe drive the aluminum frame and the coil to rotate by a certain angle, so that the pointer is communicated with a circuit in the indicator lamp, and the indicator la |
| format | Patent |
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The driving part comprises a magnet, two pole shoes, a spiral spring, an aluminum frame and a rotating shaft, the two pole shoes are fixed to the two sides of the magnet, the opposite sides of the two pole shoes are arc surfaces, the aluminum frame and the arc surfaces of the pole shoes are concentrically arranged, and the aluminum frame is rotationally installed in the shell through the rotating shaft. 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The driving part comprises a magnet, two pole shoes, a spiral spring, an aluminum frame and a rotating shaft, the two pole shoes are fixed to the two sides of the magnet, the opposite sides of the two pole shoes are arc surfaces, the aluminum frame and the arc surfaces of the pole shoes are concentrically arranged, and the aluminum frame is rotationally installed in the shell through the rotating shaft. 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The driving part comprises a magnet, two pole shoes, a spiral spring, an aluminum frame and a rotating shaft, the two pole shoes are fixed to the two sides of the magnet, the opposite sides of the two pole shoes are arc surfaces, the aluminum frame and the arc surfaces of the pole shoes are concentrically arranged, and the aluminum frame is rotationally installed in the shell through the rotating shaft. The magnet and the pole shoe drive the aluminum frame and the coil to rotate by a certain angle, so that the pointer is communicated with a circuit in the indicator lamp, and the indicator la</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Current abnormal condition monitoring device |
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