The invention discloses an underwater life-saving device, which comprises a sealed shell, wherein a high-pressure gas chamber is arranged in the shell, a gas leakage hole is formed in the high-pressure gas chamber and externally connected with an air bag, a ventilation device for opening the gas leakage hole is also arranged beside the gas leakage hole, the air bag is stored in the shell in a deflation state, a water pressure sensor and a power supply are also arranged in the shell, the water pressure sensor is connected with the ventilation device through a control circuit board and controls the action of the ventilation device, and the water pressure sensor, the control circuit board and the ventilation device are all connected with a power supply; and the shell is externally provided with a fixing piece being fixed together with a human body. Firstly, the device is small in size, and can be fixed on the body through the fixing part without generation of the use discomfort, and the long-time swimming of a user underwater is not affected.
Underwater life-saving device
2015-05-06
Patent
Elektronische Ressource
Englisch
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |
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Europäisches Patentamt | 2020
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