CN213016621U

CN213016621U - Small-size rivers power generation facility

Info

Publication number: CN213016621U
Application number: CN202020913477.XU
Authority: CN
Inventors: 王近勇
Original assignee: Shanghai Haorui Electromechanical Technology Co ltd
Current assignee: Shanghai Haorui Electromechanical Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-04-20
Anticipated expiration: 2030-05-27

Abstract

The utility model belongs to the technical field of power generation equipment, and particularly discloses a small water flow power generation device, which comprises a synchronous generator, a water turbine and a speed regulator; the water turbine is coaxially connected with the synchronous generator and comprises a water guide pipe, a main shaft and runner blades; the water guide pipe is of a spiral structure, a water inlet is formed in one side of the water guide pipe, the size of the water guide pipe is reduced from outside to inside in sequence, and the center of the water guide pipe is communicated with the shell; a main shaft penetrates through the center of the shell; the number of the runner blades is a plurality, the runner blades are arranged in the shell, and the runner blades are arranged around the main shaft; a filtering structure is arranged in the water guide pipe; the filtering structure comprises a sleeve, a first filter screen and a second filter screen; the sleeve pipe is the cavity pipe, and the sleeve pipe size matches with the aqueduct size, and the sleeve pipe both ends are provided with first filter screen and second filter screen respectively, be provided with the adsorbed layer between first filter screen and the second filter screen.

Description

Small-size rivers power generation facility

Technical Field

The utility model relates to a power generation facility technical field specifically is a small-size rivers power generation facility.

Background

At present, a water flow power generation device generally comprises a kinetic energy acquisition part, namely a water turbine and a power generator, and the working principle of the water flow power generation device is that low-speed water flow linear motion is converted into high-speed rotary motion through the water turbine to drive the power generator to generate power. The connection between the water turbine and the generator is generally hard connection, namely, the connection is realized through a gear or a rotating shaft directly.

Because the quality of water in different areas is different, the rivers in some areas contain a large amount of particulate matters, and these particulate matters produce the friction with the inside impeller of hydraulic turbine easily after getting into the hydraulic turbine in, cause the wearing and tearing of impeller, and then lead to the generating efficiency decline of generator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size rivers power generation facility to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a small-sized water flow power generation device comprises a synchronous generator and a water turbine; the water turbine is coaxially connected with the synchronous generator and comprises a water guide pipe, a main shaft and runner blades; the water guide pipe is of a spiral structure, a water inlet is formed in one side of the water guide pipe, the size of the water guide pipe is reduced from outside to inside in sequence, and the center of the water guide pipe is communicated with the shell; a main shaft penetrates through the center of the shell; the number of the runner blades is a plurality, the runner blades are arranged in the shell, and the runner blades are arranged around the main shaft; a filtering structure is arranged in the water guide pipe; the filtering structure comprises a sleeve, a first filter screen and a second filter screen; the sleeve pipe is the cavity pipe, and the sleeve pipe size matches with the aqueduct size, and the sleeve pipe both ends are provided with first filter screen and second filter screen respectively, be provided with the adsorbed layer between first filter screen and the second filter screen.

Preferably, the surface of the sleeve is provided with a plurality of first screw holes, the surface of the water guide pipe is provided with second screw holes corresponding to the first screw holes, and the first screw holes and the second screw holes are internally provided with fixing bolts.

Preferably, the adsorption layer is obliquely and alternately provided with two inclined rods, one ends of the two inclined rods are fixed on the inner wall of the sleeve, and the other ends of the two inclined rods are fixed with spherical activated carbon particles.

Preferably, the part exposed out of the outer side of the main shaft is sleeved with a wear-resistant protective sleeve; and a sealing ring is arranged at the connecting position of the main shaft and the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be provided with filtration inside the aqueduct, filtration can play the filter effect to the rivers that get into the aqueduct, avoids because the condition that the friction that particulate matter in the rivers and runner blade contact produced caused runner blade wearing and tearing, and this filtration is fixed in inside the aqueduct through fixing bolt, convenient to detach.

Drawings

Fig. 1 is a plan view of the whole of the present invention.

In the figure: 1. a water conduit; 2. a housing; 3. a water inlet; 4. a main shaft; 5. a runner blade; 6. a filter structure; 601. a first filter screen; 602. a second filter screen; 603. a sleeve; 604. an adsorption layer; 605. a diagonal bar; 606. spherical activated carbon particles; 7. a first screw hole; 8. a second screw hole; 9. fixing the bolt; 10. and (4) a sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a small-sized water flow power generation device comprises a synchronous generator and a water turbine; the water turbine is coaxially connected with the synchronous generator and comprises a water guide pipe 1, a main shaft 4 and runner blades 5; the water guide pipe 1 is of a spiral structure, a water inlet 3 is formed in one side of the water guide pipe 1, the size of the water guide pipe 1 is reduced from outside to inside in sequence, and the center of the water guide pipe 1 is communicated with the shell 2; a main shaft 4 penetrates through the center of the shell 2; the number of the runner blades 5 is a plurality, the runner blades 5 are arranged in the shell 2, and the runner blades 5 are arranged around the main shaft 4; a filtering structure 6 is arranged inside the water guide pipe 1; the filtering structure 6 comprises a sleeve 603, a first sieve 601 and a second sieve 602; the sleeve 603 is a hollow round tube, the size of the sleeve 603 is matched with that of the water guide pipe 1, a first filter screen 601 and a second filter screen 602 are respectively arranged at two ends of the sleeve 603, and an adsorption layer 604 is arranged between the first filter screen 601 and the second filter screen 602.

Furthermore, a plurality of first screw holes 7 are formed in the surface of the sleeve 603, a second screw hole 8 is formed in the surface of the water guide pipe 1 corresponding to the first screw hole 7, and fixing bolts 9 are arranged inside the first screw hole 7 and the second screw hole 8.

Furthermore, the adsorption layer 604 is obliquely and alternately provided with two inclined rods 605, one end of each inclined rod 605 is fixed on the inner wall of the sleeve 603, and the other end of each inclined rod 605 is fixed with spherical activated carbon particles 606.

Furthermore, a wear-resistant protective sleeve is sleeved on the exposed part of the outer side of the main shaft 4; and a sealing ring 10 is arranged at the connecting position of the main shaft 4 and the shell 2.

The utility model provides a small water flow power generation device, which comprises a synchronous generator and a water turbine; the synchronous generator is coaxially connected with the water turbine, the water turbine comprises a water guide pipe 1, a main shaft 4 and runner blades 5, the water guide pipe 1 is of a spiral structure, a water inlet 3 is formed in one side of the water guide pipe 1, water flow enters the water guide pipe 1 from the water inlet 3, enters the shell through the water guide pipe 1 and then drives the runner blades 5 to rotate, and therefore the main shaft 4 rotates; in the process, the size of the water guide pipe 1 is sequentially reduced from outside to inside, so that the speed of water flow is gradually increased, the rotating speed of the runner blades 5 is increased, and the power generation efficiency is improved.

The water guide pipe 1 is internally provided with a filtering structure 6, the filtering structure 6 comprises a sleeve 603, a first filter screen 601 and a second filter screen 602, the first filter screen 601 and the second filter screen 602 can filter water flow and prevent particles in the water flow from entering the shell 2 and rubbing with the runner blades 5 to cause abrasion of the runner blades 5, an adsorption layer 604 is arranged between the first filter screen 601 and the second filter screen 602, two inclined rods 605 are obliquely and alternately arranged in the adsorption layer 604, one ends of the two inclined rods 605 are fixed at the inner wall of the sleeve 603, the other ends of the two inclined rods 605 are fixed with spherical activated carbon particles 606, the spherical activated carbon particles 606 can adsorb the particles in the water flow, the filtering structure 6 is fixed in the water guide pipe 1 through a first screw hole 7 arranged on the surface of the sleeve 603, a second screw hole 8 correspondingly arranged on the water guide pipe 1 and a fixing bolt 9, and the filtering structure 6 can be taken out only by taking down the fixing bolt 9 when being taken out, thereby cleaning the first filter screen 601 or the second filter screen 602.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A small-size rivers power generation facility which characterized in that: comprises a synchronous generator and a water turbine; the water turbine is coaxially connected with the synchronous generator and comprises a water guide pipe (1), a main shaft (4) and runner blades (5); the water guide pipe (1) is of a spiral structure, a water inlet (3) is formed in one side of the water guide pipe (1), the size of the water guide pipe (1) is reduced from outside to inside in sequence, and the center of the water guide pipe (1) is communicated with the shell (2); a main shaft (4) penetrates through the center of the shell (2); the number of the runner blades (5) is a plurality, the runner blades (5) are arranged in the shell (2), and the runner blades (5) are arranged around the main shaft (4); a filtering structure (6) is arranged in the water guide pipe (1); the filtering structure (6) comprises a sleeve (603), a first sieve (601) and a second sieve (602); sleeve pipe (603) are the cavity pipe, and sleeve pipe (603) size matches with aqueduct (1) size, and sleeve pipe (603) both ends are provided with first filter screen (601) and second filter screen (602) respectively, be provided with adsorbed layer (604) between first filter screen (601) and second filter screen (602).

2. A small-sized water current power generation device according to claim 1, wherein: the surface of the sleeve (603) is provided with a plurality of first screw holes (7), the surface of the water guide pipe (1) is provided with second screw holes (8) corresponding to the first screw holes (7), and fixing bolts (9) are arranged inside the first screw holes (7) and the second screw holes (8).

3. A small-sized water current power generation device according to claim 1, wherein: the adsorption layer (604) is obliquely and alternately provided with two inclined rods (605), one ends of the two inclined rods (605) are fixed on the inner wall of the sleeve (603), and the other ends of the two inclined rods are fixed with spherical active carbon particles (606).

4. A small-sized water current power generation device according to claim 1, wherein: a wear-resistant protective sleeve is sleeved on the exposed part of the outer side of the main shaft (4); and a sealing ring (10) is arranged at the connecting position of the main shaft (4) and the shell (2).