High-current three-phase manual leakproof protector
An anti-leakage, high-current technology, applied in the direction of thermal switch components, etc., can solve the problem of no anti-leakage
Active Publication Date: 2015-06-17
陈永龙
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Problems solved by technology
But it doesn't have leak prevention
Method used
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[0009] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.
[0010] see figure 1 and figure 2 , a large current three-phase manual anti-leakage protector, which includes an upper cover 4, a base 15, a bottom plate 13, a temperature sensing component 1, a temperature sensing package 21, a bellows 22, and a reset button 6, and the base 15 is provided with a push-type automatic The reset three-phase switch 2, the push-type self-reset three-phase switch 2 includes a push rod 20 protruding from the bottom plate 13. When the push rod 20 is pressed, the circuit is disconnected, and when it is released, it automatically resets and conducts the circuit. The bottom plate 13 is provided with a transmission plate 11, the rear end of the drive plate 11 is connected to the leaf spring 12, and the other end of the leaf spring 12 is placed on the base plate 13, the base plate 13 is also provided with an anti-leakage transmissi...
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The invention provides a high-current three-phase manual leakproof protector, comprising an upper cover, a base, a bottom plate, a temperature sensing element, a thermometer bulb, an aneroid and a resetting button, wherein the base is equipped with a pressing type self-resetting three-phase switch, the pressing type self-resetting three-phase switch comprises a push rod which is protruded from the bottom plate; when the push rod is pressed down, the circuit is broken, and when the push rod is released, the push rod can be automatically reset and the circuit is conducted; the bottom plate is equipped with a transmission plate, the rear end of the transmission plate is connected to a spring piece, the other end of the spring piece is pressed against the bottom plate, the bottom plate is further equipped with a leakproof transmission plate, two leakproof compression springs are arranged under the leakproof transmission plate, the other ends of the two leakproof compression springs are pressed against the bottom plate, the leakproof transmission plate is arranged over the transmission plate, the front ends of the leakproof transmission plate and the transmission plate are pulled by a fine adjustment screw rod and the distance therebetween is regulated by the fine adjustment screw rod, the aneroid is contacted with the leakproof transmission plate, a resetting spring plate is arranged under the upper cover, the resetting button is contacted with the resetting spring plate and the resetting spring plate is contacted with the transmission plate. The high-current three-phase manual leakproof protector provided by the invention is applied to heating apparatus.
Description
technical field [0001] The invention relates to an electric protector, in particular to a large-current three-phase manual anti-leakage protector for heating appliances. Background technique [0002] At present, some of the over-temperature power-off protectors of electric heating devices adopt thermal expansion liquid temperature-sensing working methods, such as: a Chinese patent once disclosed a "manually reset over-temperature power-off protector" (China, announcement number CN2457728Y, announcement 2001.12.27), which includes an innovatively designed shell, thermal expansion liquid temperature sensing part, reset operation part, lever transmission part and circuit switch part. The manual reset over-temperature power-off protector can realize reliable operation in a simplified structure The over-temperature protection function has the advantages of simple structure, low manufacturing cost, reliable performance, and can adapt to complex working environment conditions such ...
Claims
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IPC IPC(8): H01H37/40
Inventor 陈永龙
Owner 陈永龙