Smoke exhaust valve full automatic execution mechanism
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- NINGBO DONGLING PLUMB & AIR CONDITIONING PARTS & ACCESSORIES
- Publication Date
- 2015-04-01
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a device installed on a plate-type smoke exhaust port in a high-rise building smoke exhaust system to open or close a smoke exhaust valve, specifically a fully automatic actuator for the smoke exhaust valve. Background technique
[0002] The website of the State Intellectual Property Office of China announced a long-distance exhaust valve actuator, which uses a solenoid valve as the power device, and moves the iron core through the electromagnet to drive the transmission mechanism composed of the swing rod and the swing frame. The ratchet and the ratchet, which act as a limit on the sheave, are released, and the smoke exhaust valve is opened under the action of its own tension spring. Although the actuator can remotely control the exhaust valve, it still has the following defects in actual use:
[0003] 1. Since the above-mentioned actuators in the prior art can open the smoke exhaust valve remotely, but cannot close the smoke...