Submersible propulsion device and diving suit

Abstract

A submersible propulsion device and diving suit. The propulsion device includes: at least one angle sensor assembly having a first sensing unit to be disposed on a thigh and a second sensing unit to be disposed on a calf on the same side of the diver, and being configured to sense an angle between a thigh and a calf on a corresponding side of the diver based on a relative positional relationship between the respective first sensing unit and second sensing unit; at least one propeller having a propeller body and battery module; and a controller connected to the angle sensor assembly and the propeller respectively, so as to control the propeller based on an angle signal sensed by the angle sensor assembly. The submersible propulsion device is flexible in configuration and convenient to control, and can free both hands.

1 . A submersible propulsion device, comprising:
 at least one angle sensor assembly, the at least one angle sensor assembly comprising a first sensing unit to be disposed on a thigh and a second sensing unit to be disposed on a calf on the same side of the diver, and the at least one angle sensor assembly being configured to sense an angle between a thigh and a calf on a corresponding side of the diver based on a relative positional relationship between the respective first sensing unit and second sensing unit;   at least one propeller, comprising: a propeller body and at least one battery module; and   a controller, wherein the controller is connected to the at least one angle sensor assembly and the at least one propeller respectively, so as to control the at least one propeller based on an angle signal sensed by the at least one angle sensor assembly.   
     
     
         2 . The submersible propulsion device according to  claim 1 , wherein the at least one propeller can switch between a first state with the propeller body connected to the at least one battery module and a second state with the propeller body separate from the at least one battery module. 
     
     
         3 . The submersible propulsion device according to  claim 1 , wherein the at least one angle sensor assembly is a high-performance three-dimensional motion attitude measurement system based on Micro-Electro-Mechanical System MEMS technology, wherein the at least one angle sensor assembly each comprises a three-axis gyroscope, a three-axis accelerometer, a three-axis electronic compass and a processor. 
     
     
         4 . The submersible propulsion device according to  claim 1 , wherein the submersible propulsion device further comprises a wearable suit, with the controller and the at least one angle sensor assembly attached to the wearable suit, so that when the wearable suit is worn on a diver, the first sensing unit and the second sensing unit of the at least one angle sensor assembly are positioned at the thigh and calf on the same side of the diver, and the controller is positioned at the front of the diver's waist or chest. 
     
     
         5 . The submersible propulsion device according to  claim 2 , wherein the at least one propeller comprises a single propeller attached in a first state to an oxygen tank on the back of a diver, wherein the at least one angle sensor assembly comprises a single angle sensor assembly worn on the left or right side of the diver, and the controller controls the single propeller to output forward or backward thrust based on an angle signal sensed by the single angle sensor assembly. 
     
     
         6 . The submersible propulsion device according to  claim 2 , wherein the at least one propeller comprises a left-side propeller and a right-side propeller respectively worn on the left and right sides of a diver, wherein the at least one angle sensor assembly comprises a left-side angle sensor assembly and a right-side angle sensor assembly respectively worn on the left and right sides of the diver, and the controller controls the left-side propeller based on a first angle signal sensed by the left-side angle sensor assembly, and the controller controls the right-side propeller based on a second angle signal sensed by the right-side angle sensor assembly. 
     
     
         7 . The submersible propulsion device according to  claim 6 , wherein the left-side propeller and the right-side propeller can be installed in any one of the following ways:
 attaching the left-side propeller and the right-side propeller in a first state to the left and right sides of an oxygen tank on the back of a diver,   attaching the left-side propeller and the right-side propeller in a first state to the left and right sides of the body of the diver, or   the left-side propeller and the right-side propeller each being in a second state, wherein propeller bodies of the left-side propeller and the right-side propeller are attached to the left and right sides of the body of the diver, and at least one battery module of the left-side propeller and the right-side propeller is respectively attached to the left and right sides of the oxygen tank on the back of the diver.   
     
     
         8 . The submersible propulsion device according to  claim 1 , wherein the first sensing unit and/or the second sensing unit per se is configured with a battery and is wirelessly connected to the controller, wherein the controller per se is configured with a battery and is wirelessly connected to the at least one propeller; or
 the first sensing unit, the second sensing unit, and the controller are connected via cables, and/or the controller is connected to the at least one propeller via cables.   
     
     
         9 . The submersible propulsion device according to  claim 2 , wherein when the at least one propeller is in a first state, the propeller body is connected to the at least one battery module via a waterproof connector; and/or
 when the at least one propeller is in a second state, the propeller body is connected to the at least one battery module through an adapter, wherein the adapter comprises a cable, with a first end and a second end of the cable connected to the propeller body and the at least one battery module through a waterproof connector respectively;   wherein the waterproof connector comprises: a male waterproof connector and a female waterproof connector respectively disposed at ends of both components to be connected to each other.   
     
     
         10 . The submersible propulsion device according to  claim 9 , wherein the male waterproof connector comprises:
 a male connector body, wherein an end of the male connector body has a first base plane;   an annular boss protruding from the first base plane, wherein at least one electrical terminal is disposed in the annular boss; and   a pair of clamping arms disposed on opposing sides at the end of the male connector body in the vicinity of the first base plane.   
     
     
         11 . The submersible propulsion device according to  claim 10 , wherein the annular boss is in the shape of an oval track, and the pair of clamping arms are disposed at opposing linear sections of the annular boss, wherein the clamping arms have hook portions, with the width of the hook portions ranging from 80% to 100% of the width of the linear sections. 
     
     
         12 . The submersible propulsion device according to  claim 10 , wherein the male waterproof connector further comprises a first sealing member disposed around the annular boss, wherein the first sealing member is disposed at a junction of the annular boss and the first base plane. 
     
     
         13 . The submersible propulsion device according to  claim 10 , wherein the annular boss is further provided with a fool-proof portion formed as either protrusion or groove. 
     
     
         14 . The submersible propulsion device according to  claim 10 , wherein each of the clamping arms comprises:
 a first segment pivotally connected to the male connector body; and   a second segment pivotally connected to the first segment.   
     
     
         15 . The submersible propulsion device according to  claim 14 , wherein the pair of the clamping arms can switch between a locked state and a free state; in the locked state, the first segment and the second segment are substantially collinear, with the hook portions of the second segment buckling notch of the corresponding female waterproof connector; in the free state, the first segment and the second segment can rotate along their respective rotation axes;
 in the free state, when the male waterproof connector abuts with the female waterproof connector, and the hook portions of the second segments of the pair of clamping arms are engaging the notches of the corresponding female waterproof connector, the second segments of the pair of clamping arms are pressed inwardly so that the second segments rotate around the notches, thereby switching the clamping arms from the free state to the locked state.   
     
     
         16 . The submersible propulsion device according to  claim 10 , wherein a connecting bulge is provided on one side of the male connector body extending to the first base plane, wherein the connecting bulge has a T-shaped cross-section. 
     
     
         17 . The submersible propulsion device according to  claim 10 , wherein the female waterproof connector is used to connect with the male waterproof connector, the female waterproof connector comprising:
 a female connector body, wherein an end of the female connector body has a second base plane;   an annular groove recessed into the second base plane, wherein electrical terminals are provided in the annular groove; and   a pair of notches disposed on opposing sides at the end of the connector body in the vicinity of the second base plane, the pair of notches being used to receive a pair of clamping arms of the male waterproof connector.   
     
     
         18 . The submersible propulsion device according to  claim 1 , wherein the at least one propeller comprises:
 a propeller body;   one or more intermediate battery modules; and   an end battery module or end cap;   wherein the intermediate battery module comprises opposing ends respectively configured as a male waterproof connector and a female waterproof connector.   
     
     
         19 . A diving suit, comprising:
 a diving suit body, the diving suit body being configured to be worn by a diver and covering at least both legs and the body of the diver;   at least one angle sensor assembly, the at least one angle sensor assembly comprising a first sensing unit to be disposed on a thigh and a second sensing unit to be disposed on a calf of the diving suit body corresponding to the same side of the diver, and the at least one angle sensor assembly being configured to sense an angle between a thigh and a calf on a corresponding side of the diver based on a relative positional relationship between the respective first sensing unit and second sensing unit; and   a controller, the controller being attached to the diving suit body at a position corresponding to the front of the diver's waist or chest, and the controller being connected to the at least one angle sensor assembly wirelessly or via cables embedded in the diving suit body.   
     
     
         20 . The diving suit according to  claim 19 , wherein the controller further comprises a port for connecting to at least one propeller, the port being either a wired connection port or a wireless connection port, wherein the at least one angle sensor assembly comprises a left-side angle sensor assembly and a right-side angle sensor assembly.