Inertia delay electrical switch
An electrical switch and inertial technology, applied in the direction of electrical switches, electrical components, circuits, etc., can solve the problems of difficult connection of controlled devices, poor maintenance performance, energy consumption, etc., and achieve simple structure, few components and good compatibility Effect
Active Publication Date: 2017-04-19
STATE GRID CORP OF CHINA +1
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Problems solved by technology
At present, when a short time delay is generally required, delay circuits such as electronic components, short-circuit rings, and air damping are used. These types of delay devices generally have many components, large volume, energy consumption, and Disadvantages such as difficult connection of control devices and poor maintainability
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[0009] Examples, see attached figure 1 , above the chassis 4 of the inertial time-delay electric switch vertically fixedly be equipped with fork shaft one 5, hanging spring bar four 12, limit bar 13, fork shaft two 15 respectively, movable suit fork 2 on the fork shaft one 5 . The left end of fork 2 is fixedly equipped with pendulum one 1, and the right end of fork 2 is fixedly equipped with pendulum two 8, and the top of fork 2 is respectively vertically fixed with hanging spring bar one 3, hanging spring bar two 6, Output lever 7. The right end of the movable suit lever 14 on the fork shaft two 15, a lever groove 14-1 is provided on the outer surface of the lever 14, and the four 12 tops of the hanging spring rod are placed in the lever groove 14-1, and the upper left side of the lever 14 Vertically fixedly be equipped with spring bar three 10, the upper right side of lever 14 is vertically fixedly equipped with input driving lever 16. Extension spring one 9 is housed bet...
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The invention belongs to electrical equipment, and particularly relates to an inertial delay electrical switch. A first pendulum rod shaft (5), a fourth hanging spring rod (12), a limit rod (13) and a second pendulum rod shaft (5) are respectively vertically and fixedly arranged on a chassis (4). A first pendulum bob (1) is fixedly arranged on the left end of a pendulum rod (2). A second pendulum bob (2) is fixedly arranged on the right end of the pendulum rod (2). The pendulum bob (2) movably sleeves the first pendulum rod shaft (5). A first hanging spring rod (3), a second hanging spring rod (6) and an output shifter rod (7) are respectively vertically and fixedly arranged on the pendulum rod (2). The right end of a lever (14) movably sleeves the second pendulum rod shaft (6). A lever groove (14-1) is arranged in the outer side of the lever (14). The upper part of the fourth hanging spring rod (12) is placed in the lever groove (14-1). The inertial delay electrical switch has the advantages of simple structure, small volume, fewer components and reliable operation, overcomes some drawbacks of an original delay device, does not consume external energy, and is free of maintenance.
Description
technical field [0001] The invention belongs to electrical equipment, in particular to an inertial time-delay electrical switch. Background technique [0002] The action between mechanical and electrical equipment sometimes requires a time interval to ensure the correctness of its action sequence, especially in the application of elevator traction machine brakes. When the traction iron is engaged, the economic operation mode can be started with a delay, which can save energy by 70 %, which not only ensures the action sequence of the device but also achieves the purpose of saving energy and reducing the temperature rise of the brake. At present, delay circuits such as electronic components, short-circuit rings, and air damping are generally used in occasions that require short delays. These delay devices generally have many components, large volume, energy consumption, and The connection of the control device is difficult, and the maintenance performance is poor. Contents ...
Claims
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IPC IPC(8): H01H7/08
CPCH01H7/08
Inventor 郝辉任伟刘海东罗文光霍彦东黄光
Owner STATE GRID CORP OF CHINA