A manual opening and closing spring operating mechanism and its vacuum circuit breaker
A technology of opening and closing springs and operating mechanisms, which is applied to high-voltage air circuit breakers, circuits, high-voltage/high-current switches, etc., can solve the problems of circuit breakers that are difficult to dissipate heat, cannot be self-locked, and increase power consumption. Improve safety, avoid potential safety hazards, and reduce power consumption
Active Publication Date: 2020-08-11
江苏高开电力科技有限公司
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Problems solved by technology
[0003] However, there are still relatively obvious defects in its use: 1. The above-mentioned device cannot be self-locked when it is opened, and it cannot avoid automatic closing. When the operator repairs and maintains the circuit breaker, there will be a large Potential safety hazard; 2. If the above-mentioned devices want to maintain the closed state, they need to be continuously energized in the closing coil. Such a setting will not only increase power consumption, but also cause the coil to overheat and the heat inside the circuit breaker to emitted, causing damage to the circuit breaker
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] see Figure 1-3 , the present invention provides a technical solution:
[0023] A manual opening and closing spring operating mechanism, including an insulating housing 1, a manual lever 2 is arranged through the insulating housing 1, and the manual lever 2 is connected to the inner shell of the insulating housing 1 through a first spring 3, One end of the manual lever 2 located in the inner cavity of the insulating housing 1 is fixed to the center of ...
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The invention discloses a manual switch-on and switch-off spring operating mechanism and a vacuum circuit breaker thereof. The manual switch-on and switch-off spring operating mechanism comprises an insulating shell, a manual deflector rod is arranged in the insulating shell in a penetrating manner, a movable iron core is fixedly arranged on a push rod, and a switch-on static iron core and a switch-off static iron core are respectively arranged at two sides of the movable iron core. A pawl is hinged to the side, close to the closing static iron core, of the rack, the pawl is arranged below therack, a ratchet wheel is arranged at the position, close to the pawl, of the insulating shell, a switch is arranged on the upper wall of the downward-concave block, and the switch is electrically connected with the closing coil. The invention provides a manual switch-on and switch-off spring operating mechanism, which is internally provided with a structure for automatic locking during opening and closing, effectively prevents mistaken touch and mistaken reaction, and improves the safety of the device in use. The invention further provides a vacuum circuit breaker comprising the manual switch-on and switch-off spring operating mechanism, and is convenient to use and very worthy of popularization.
Description
technical field [0001] The invention relates to the technical field of circuit breakers, in particular to a manual opening and closing spring operating mechanism and a vacuum circuit breaker thereof. Background technique [0002] In the prior art, a spring permanent magnet closing and opening operating device with the application number "201811276457.X" includes a permanent magnet operating mechanism, a spring energy storage mechanism and a closing and opening operating mechanism; the permanent magnet operating mechanism includes a permanent magnet operating mechanism Rod, static end flange, static magnetic yoke, static iron core, closing and opening coil, permanent magnet and moving iron core; spring energy storage mechanism includes manual energy storage shaft, driven camshaft, closing spring, large sprocket and Small sprocket; closing and opening operating mechanism includes switch closing and opening driving lever, spring driving seat, manual closing lever, three-phase c...
Claims
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IPC IPC(8): H01H33/666
CPCH01H33/666
Inventor 沈文齐
Owner 江苏高开电力科技有限公司