Fire-fighting electromagnetic valve capable of detecting opening state and closing state
A technology of opening and closing state, solenoid valve, applied in the direction of lift valve, valve details, valve device, etc., can solve problems such as cost loss, safety accident, solenoid valve coil failure spool, etc., to achieve the effect of improving opening reliability
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Embodiment 1
[0022] to combine figure 1 and figure 2 , a fire solenoid valve that can detect the opening and closing state. The solenoid valve includes a valve body 1 and an electromagnetic static iron core 2. Both the valve body 1 and the electromagnetic static iron core 2 are existing technologies and will not be described again. Body, electromagnetic dynamic iron core 4 and valve core 3 in the housing. The electromagnetic dynamic iron core 4 is an integrated structure connected by a connecting piece in the middle, and can move along the axial direction of the electromagnetic static iron core 2. When the electromagnetic valve is energized , the electromagnetic static iron core 2 generates magnetic force, and because the electromagnetic dynamic iron core 4 is set in conjunction with the valve core 3, the valve core 3 will also move up, thereby opening the electromagnetic valve.
[0023] This kind of solenoid valve is used in the fire fighting system. The fire fighting system includes th...
Embodiment 2
[0030] to combine image 3 and Figure 4 , except for the specific structure of the spool movement detection mechanism, other contents of this embodiment are consistent with those of Embodiment 1.
[0031] Specifically, the spool motion detection mechanism includes a second linkage rod 12 and a second micro switch 13, the second micro switch 13 is threadedly mounted on the side wall of the valve body 1, and the triggering principle of the second micro switch 13 is the same as that of the first micro switch 13. The trigger principle of a micro switch 6 is basically the same. The second linkage rod 12 is horizontally installed in the valve body 1, one end of the second linkage rod 12 is connected to the valve core 3 in transmission, and the other end of the second linkage rod 12 is spaced from the micro switch. When the electromagnetic static iron core 2 is energized , the electromagnetic dynamic iron core 4 drives the second linkage rod 12 to move upward, and the second linka...
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Abstract
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Application Information
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