1. Field of the Invention
The present invention relates to a wind-powered electricity generator, and more particularly to a wind-powered electricity generator that can generate power safely.
2. Description of Related Art
The conventional wind-powered electricity generators have multiple blades to rotate to generate power. However, the wind-power is not stable and is depended on the weather and the conventional wind-powered electricity generator can not generate power in a slight wind condition and the blades of the conventional wind-powered electricity generator may be broken in a stiff wind condition.
The wind-powered electricity generator in accordance with the present invention mitigates or obviates the aforementioned problems.
The main objective of the present invention is to provide a wind-powered electricity generator that can generate power safely.
The wind-powered electricity generator in accordance with the present invention has a supporting tube, a rotating device, a drive device, a mounting frame, a guiding board and two fan bodies. The rotating device is rotatably mounted on the supporting tube and has a mounting tube, a top cover and a transmitting shaft. The drive device is mounted in the supporting tube and is connected to the transmitting shaft. The mounting frame is securely mounted on the mounting tube and has a spindle, a gear wheel and a dynamo. The guiding board is connected to the mounting frame, faces the wind in used and has multiple spindle rings, multiple pivotal panels, multiple linking arms, a driving shaft and an expansion device. The fan bodies are rotatably mounted around the spindle of the mounting frame in the guiding board and each fan body has a central axle, multiple connecting tubes, multiple blades, two annular frames, multiple cross bars and multiple pull bars.
Other objectives, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
With reference to
With reference to
The rotating device (11) is rotatably mounted on the supporting tube (10) and has a mounting tube (92), a top cover (93) and a transmitting shaft (95). The mounting tube (92) is hollow, is mounted around the supporting tube (10) and has a lower end, an upper end, an external surface, a protruding flange (921), a mounting ring (922), multiple rotating wheels (923) and two holding blocks (924). The lower end of the mounting tube (92) is mounted around the supporting tube (10) near the track (910). The protruding flange (921) is formed around and protrudes radially from the lower end of the mounting tube (92). The mounting ring (922) has a shape corresponding to the protruding flange (921) and is connected to the protruding flange (921) by fasteners. The rotating wheels (923) are rotatably mounted between the protruding flange (921) and the mounting ring (922) and abut the track (910) of the supporting tube (10). The holding blocks (924) are formed on and protrude radially from the external surface of the mounting tube (92) above the protruding flange (921).
The top cover (93) is securely mounted in the upper end of the mounting tube (92) by fasteners and has a center and a mounting hole (931). The mounting hole (931) is formed through the center of the top cover (93).
The transmitting shaft (95) is mounted through the shaft mount (911) and the top cover (93) and has an inner end, a middle, an outer end, an external surface, an upper thread (951), a lower thread (952), a holding ring (950), an upper nut (953) and a lower nut (954). The inner end of the transmitting shaft (95) is mounted in the supporting tube (10). The outer end of the transmitting shaft (95) is mounted through and extends out of the top cover (93) form the mounting hole (931). The upper thread (951) is formed on the external surface of the transmitting shaft (95) near the outer end. The lower thread (952) is formed on external surface of the transmitting shaft (95) near the middle. The holding ring (950) is formed around the external surface of the transmitting shaft (95) between the threads (951, 952). The upper nut (953) is screwed with the upper thread (951) to hold the transmitting shaft (95) with the top cover (93). The lower nut (954) is screwed with the lower thread (952) to hold the transmitting shaft (95) with the shaft mount (911). The bearings (912, 913) of the shaft mount (911) are mounted around the transmitting shaft (95) between the holding ring (950) and the lower thread (952).
The drive device (80) is mounted in the supporting tube (10), is connected to the inner end of the transmitting shaft (15) and has an output end and a clutch (81). The clutch (81) is mounted on the output end of the drive device (80), is connected to the inner end of the transmitting shaft (15) to transport power to the mounting tube (92) from the drive device (80).
The mounting frame (16) is securely mounted on the upper end of the mounting tube (92) of the rotating device (11) by fasteners and has a middle, a spindle (161), a gear wheel (162) and a dynamo (18). The spindle (161) is rotatably and transversally mounted in the middle of the mounting frame (16) and has two free ends extended out of the mounting frame (16). The gear wheel (162) is securely mounted around the spindle (161) in the mounting frame (16). The dynamo (18) is mounted in the mounting frame (16) and is connected to the gear wheel (162).
With reference to
The linking arms (1733) are connected to the pivotal panels (173) and each linking arm (1733) has multiple connecting holes (1734). The connecting holes (1734) are formed through the linking arm (1733) at intervals and each connecting hole (1734) is connected to one of the connecting wings (1732) of a corresponding pivotal panel (173). The driving shaft (1735) is rotatably connected to the linking arms (1733) and has a free end extended to the sidewall of the guiding board (17). The expansion device (1736) is securely mounted on the sidewall of the guiding board (17) and is connected to the free end of the driving shaft (1735). With reference to
With reference to
The holding frames are radially formed on the external surface of the central axle (21) at intervals, may be composed of multiple connecting tubes (33, 33a, 33b) and each holding frame has multiple bar holes (221) and multiple blades (22, 22a, 22b). The bar holes (221) are formed in the holding frame at positions opposite to the central axle (21). The blades (22, 22a, 22b) are mounted in the holding frame between the connecting tubes (33, 33a, 33b) and each blade (22) has two sidewalls and multiple holding bars (222). The holding bars (222) are connected to the bars holes (221) and each holding bar (222) may be cable wire, a circular steel bar or a flat steel bar. Preferably, three holding frames are mounted on the central axle (21) at intervals. With reference to
With reference to
The movable boards (23a) are movably mounted in the at least one space (31a) and each movable board (23a) has a sidewall, a connecting hole (231a), a connecting post (34a), a pin hole (232a), multiple linking wings and a pivotal pin (234a). The connecting hole (231a) is formed through the sidewall of the movable board (23a) and aligns with one of the post holes (332a). The connecting post (34a) is mounted in the connecting hole (231a) and a corresponding post hole (332a) to connect the movable board (23a) with the holding frame. The pin hole (232a) is formed through the sidewall of the movable board (23a). The linking wings are formed on the movable board (23a). The pivotal pin (234a) is mounted in the pin hole (232a) of the movable board (23a). Preferably, the blade (22a) has three movable boards (23a).
The limiting arms (331a) are transversally connected to the opposite connecting tubes (33a) of the holding frame. The linking beams (24a) are pivotally connected to the movable boards (23a) and each linking beam (24a) has multiple pin holes (241a). The pin holes (241a) are formed through the linking beam (24a), align with the pin holes (232a) of the movable boards (23a) and are connected to the pivotal pins (234a) of the movable boards (23a). The expansion devices (54a) are respectively mounted on two of the connecting tubes (33a) that adjacent to the central axle (21) and are respectively connected to the linking beams (24a) and the linking wings of one of the movable boards (23a). When the linking beams (24a) are pivoted by the expansion devices (54a), the movable boards (23a) will pivot relative to the central axle (21) to form a closed condition or an open condition.
With reference to
The at least guiding rail (52b) is mounted on one of the opposite connecting tubes (33b) of the holding frame. The at least one movable board (23b) is movably mounted in the at least one space (31b), is connected to the at least guiding rail (52b) and each movable board (23b) has a top side, a bottom side and two guiding flanges (53b). The guiding flanges (53b) are respectively formed on the top side and the bottom side of the movable board (23b). Preferably, the blade (22b) has three guiding rails (52b) parallel with each other and three movable boards (23b) are respectively connected to the guiding rails (52b). One of the movable boards (23b) has multiple connecting wings (55b) and multiple fasteners (551b). The connecting wings (55b) of the movable board (23b) are mounted on one of the connecting tubes (33b) of the holding frame. The fasteners (551b) are mounted through the connecting wings (55b) and are connected to the movable board (23b).
The expansion devices (54b) are securely mounted on the connecting tube (33b) on which the connecting wings (55b) are mounted at intervals and are connected to one of the movable boards (23b). Each expansion device (54b) has the same direction as that of the at least one guiding rail (52b), a free end and a connecting element (541b). The connecting elements (541b) are respectively mounted on the free ends of the expansion devices (54b) and are connected to the corresponding movable board (23b). When the expansion devices (54b) push or pull the corresponding movable board (23b) that the connecting elements (541b) connected, the movable boards (23a) will move upward or downward relative to the central axle (21) to form a closed condition or an open condition.
With reference to
In use, with further reference to
With reference to
By the above-mentioned operation, the guiding board (17) is rotated to face the wind and the movable panels (173) of the guiding board (17) and the blades (22a, 22b) of the fan bodies (20) are driven to form a closed condition. The closed guiding board (17) can provide a guiding effect to the wind and to make the wind flowing into the fan bodies (20) in concentration to rotate the spindle (161) with the fan bodies (20). Then, the dynamo (18) that is mounted in the mounting frame (16) can generate power with the connection with the gear wheel (162) of the mounting frame (16) in the slight wind condition.
In addition, when the first embodiment of the wind-powered electricity generator in accordance with the present invention is used in a stiff wind condition, with reference to
With reference to
With reference to
With reference to
Each moving device (63c) is slidably mounted on the annular rail (111c) and has a connecting frame (631c), a screw (632c) and multiple rotating wheels (634c). The connecting frame (631c) is mounted around the upper rail panel of the annular rail (111c) and has a top. The screw (632c) is formed on and protrudes from the top of the connecting frame (631c) and has a top end and a thread (633c). The thread (633c) is formed around the top end of the screw (632c). The rotating wheels (634c) are rotatably mounted in the connecting frame (631c) by wheel axles (635c) and abut the annular rail (111c).
The drive device (651c) is mounted on one of the connecting frames (631c) by multiple bolts (652c) and is connected to one of the wheel axles (635c) of the connecting frame (631c). Then, the moving device (63c) can be moved along the annular rail (111c) by the drive device (651c).
The bottom seat (1611c) is rotatably connected to the rotating device (11c) and has a bottom, a top and multiple reinforcing beams (1612c). The reinforcing beams (1612c) are connected to each other to form the bottom of the bottom seat (1161c) and are connected to the screws (632c) of the moving devices (63c). Then, the bottom seat (1611c) can be moved relative to the annular rail (111c). The top of the bottom seat (1611c) is a board and is mounted on the reinforcing beams (1612c).
The mounting frame (16c) is securely mounted on the bottom seat (1611c) and has two side covering panels (163c), two connecting panels (166c), two bearings (1633c), two bearing covers (1634c) and multiple bolts (1635c). The side covering panels (163c) are mounted on the top of the bottom seat (1611c), face each other and each side covering panel (163c) may be composed of multiple tubes and has a top, an outer side, a bearing mount (1631c) and a mounting board (1632c). The top of the side covering panel (163c) is semicircular and has a center. The bearing mount (1631c) is formed in the center of the top of the side covering panel (163c). The mounting board (1632c) is mounted on the outer side of the side covering panel (163c). The covering panels (166c) are mounted on the top of the bottom seat (1611c) and are connected to the side covering panels (163c) to form a rectangular space. The bearings (1633c) are respectively mounted in the bearing mounts (1631c). The bearing covers (1634c) are respectively mounted on the outer sides of the side covering panels (163c) to cover the bearings (1633c). The bolts (1635c) are mounted through the bearing covers (1634c) and are connected to the bearing mounts (1631c) to hold the bearings (1633c) in the bearing mounts (1631c).
The fan body (20) is rotatably connected to the mounting frame (16c) in the rectangular space and has a similar structure as the fan body (20) in the first embodiment of the wind-powered electricity generator in accordance with the present invention. With further reference to
The guiding board (17c) is securely mounted on the top of the mounting frame (16c), abuts one of the connecting panels (166c) and has a similar structure as the guiding board (17) in the first embodiment of the wind-powered electricity generator in accordance with the present invention as shown in
In used, with further reference to
When the second embodiment of the wind-powered electricity generator in accordance with the present invention is used in a stiff wind condition, with reference to
The wind-powered electricity generator as described has the following advantages.
1. The pivotal panels (173) of the guiding board (17, 17c) and the movable boards (23a, 23b) of the blades (22, 22a, 22b) of the fan body (20) can be operated in a closed condition in the slight wind condition and this can increase the efficiency of the wind-powered electricity generator.
2. The pivotal panels (173) of the guiding board (17, 17c) and the movable boards (23a, 23b) of the blades (22, 22a, 22b) of the fan body (20) can be operated in an open close condition in the stiff wind condition. Then, the wind can flow through the wind-powered electricity generator and this can decrease the wind drag force applied on the blades (22a, 22b) and can prevent the blades (22, 22a, 22b) from being broken. Then, the use of the wind-powered electricity generator in accordance with the present invention is safe.
Even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and features of the invention, the disclosure is illustrative only. Changes may be made in the details, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Number | Date | Country | Kind |
---|---|---|---|
098116689 | May 2009 | TW | national |
099115088 | May 2010 | TW | national |