breaker
A technology for circuit breakers and arc extinguishing grids, which is applied to high-voltage air circuit breakers, circuits, electrical components, etc., can solve problems such as lack of fixation, assembly errors, and arc extinguishing covers that cannot be assembled into the housing, so as to improve the firmness performance, good filtering effect
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Embodiment 1
[0037] Embodiment 1: A circuit breaker, such as figure 1 As shown, it includes a housing 1, which is provided with a mounting groove and an arc extinguishing cover 2 placed in the mounting groove. The shape of the mounting groove is a cuboid, and the mounting groove can be used to install and place the arc extinguishing cover 2 It includes a cover body 201 and first arc extinguishing grid pieces 202 and second arc extinguishing grid pieces 203 arranged at intervals in the cover body 201. The shape of the cover body 201 is a cuboid, and the end surface of the cover body 201 along its own height direction An insertion port is opened, and the first arc extinguishing grid 202 and the second arc extinguishing grid 203 are inserted into the cover body 201 through the insertion port, and the upper and lower surfaces of the cover body 201 are provided with riveting holes penetrating the inside and outside of the cover body 201. The first arc extinguishing grid 202 and the second arc e...
Embodiment 2
[0044] Embodiment 2: A circuit breaker, such as Figure 5 to Figure 7 As shown, the difference from Embodiment 1 is that the filter cover 3 includes a U-shaped first filter screen plate 301, a connecting plate 302 and a sealing plate 15 for sealing the air inlet channel 4, and the first filter screen plate 301 The lower side of the lower side of the connecting plate 302 is fixedly connected to the left side of the connecting plate 302, and the lower side of the sealing plate 15 is connected to the right side of the connecting plate 302 through a rotating shaft. The filter cover 3 is installed on the air inlet passage 4, the gas in the air inlet passage 4 passes through the first filter screen plate 301 and the sealing plate 15 in sequence, and when the circuit breaker is in operation, the sealing plate 15 is rotated toward the connecting plate 302, Thus, the air inlet duct is opened, and the gas can enter the cavity 8 normally. The first filter screen plate 301 plays a role in...
Embodiment 3
[0045]Embodiment 3: A circuit breaker. The difference from Embodiment 2 is that in this embodiment, the driving part that drives the rotating shaft to rotate is a small driving motor, the output shaft of the small driving motor is fixedly connected to the rotating shaft, and the small driving motor works , drive the rotating shaft to rotate, and realize the automatic rotation of the sealing plate 15 through the setting of the small driving motor, so as to realize the automatic opening and closing of the air inlet channel 4 .
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