CN211230687U

CN211230687U - Miniature hydroelectric generator with waterproof function

Info

Publication number: CN211230687U
Application number: CN201921633504.1U
Authority: CN
Inventors: 兰新禄; 马清水; 胡金保
Original assignee: Xiamen Lota International Co Ltd
Current assignee: Xiamen Lota International Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-08-11
Anticipated expiration: 2029-09-27

Abstract

The utility model provides a miniature hydroelectric generator with waterproof function relates to miniature hydroelectric generation technical field. The miniature hydroelectric generator comprises a shell mechanism and a power generation mechanism arranged on the shell mechanism, wherein the power generation mechanism comprises a supporting component and a rotating component. The supporting assembly comprises a bracket with a power generation cavity arranged inside and a coil wound on the bracket. The rotating assembly comprises a rotating shaft, a pair of bearings sleeved on the rotating shaft, an impeller arranged on the bearings and positioned outside the power generation cavity, a permanent magnet arranged on the rotating shaft and positioned between the pair of bearings, and a water cutting sheet sleeved on the rotating shaft and clamped between the bearings and the permanent magnet; the water cutting sheet is a sheet-shaped geometric body made of wear-resistant materials, and the bearing, the water cutting sheet and the permanent magnet are all positioned in the power generation cavity. The impeller can drive the rotating shaft and drive the permanent magnet to rotate so as to cut the magnetic induction lines to generate electricity; the water cutting sheet can rotate along with the rotating shaft so as to limit the water from flowing into the power generation cavity from the gap between the rotating shaft and the bracket.

Description

Miniature hydroelectric generator with waterproof function

Technical Field

The utility model relates to a miniature hydroelectric generation technical field particularly, relates to a miniature hydroelectric generator with waterproof function.

Background

With the development of industry, micro hydroelectric generators are gradually widely used, such as: is commonly used in the bathroom field. Specifically, a miniature hydroelectric generator is mounted within a faucet, and generates electricity from the flow of water through the faucet, the generated electricity being used as a power supply for a light effect or other accessories.

At present, the problem that the power generation capacity of a micro hydroelectric generator is greatly weakened exists in the long-time use process. The main reason is that the water circulating from outside can enter the inner cavity of the miniature hydroelectric generator, so that the inner cavity generates water scales, the surface of the permanent magnet can be rusted, the magnetic field intensity of the permanent magnet is influenced, the friction force of the rotor can be increased, and the energy efficiency of the miniature hydroelectric generator is reduced. In the prior art, in order to avoid the problem, water is usually prevented through a rubber sealing ring, but the rubber sealing ring is easily abraded under the condition that a rotor rotates and rubs at a high speed, so that sealing failure is caused. In view of the above, the inventors of the present invention have made a study of the prior art and then have made the present application.

SUMMERY OF THE UTILITY MODEL

The utility model provides a miniature hydroelectric generator with waterproof function aims at improving prior art, and the problem of miniature hydroelectric generator intaking easily.

In order to solve the technical problem, the utility model provides a miniature hydroelectric generator with waterproof function, be in including housing mechanism, and configuration housing mechanism's power generation mechanism, power generation mechanism contains:

the supporting assembly comprises a bracket with a power generation cavity arranged inside and a coil wound on the bracket;

the rotating assembly comprises a rotating shaft which is rotatably arranged on the bracket and penetrates out of the power generation cavity, a pair of bearings which are sleeved on the rotating shaft and are arranged on the supporting assembly, an impeller which is arranged on the bearings and is positioned outside the power generation cavity, a permanent magnet which is arranged on the rotating shaft and is positioned between the pair of bearings, and a water cutting sheet which is sleeved on the rotating shaft and is clamped between the bearings and the permanent magnet; the water cutting sheet is a sheet-shaped geometric body made of wear-resistant materials, the water cutting sheet is positioned above the permanent magnet, and the bearing, the water cutting sheet and the permanent magnet are all positioned in the power generation cavity;

the impeller can drive the rotating shaft and drive the permanent magnet to rotate so as to cut the magnetic induction lines to generate electricity; the water cutting piece can rotate along with the rotating shaft so as to limit water from flowing into the power generation cavity from the rotating shaft and the gap of the support.

As a further optimization, the water cutting sheet is a sheet-shaped geometric body made of PEEK.

As further optimization, the water cutting piece and the rotating shaft are in clearance fit, and the unilateral clearance between the water cutting piece and the rotating shaft is 0-0.05 mm.

As a further optimization, the water cutting sheet is of a sheet-shaped circular geometry.

Preferably, the outer diameter of the water cutting piece is not smaller than the diameter of the bearing, and the outer diameter of the water cutting piece is not larger than the diameter of the permanent magnet.

As a further optimization, the supporting assembly includes a supporting cover disposed on the bracket, and a wear pad supported on the supporting cover, and the rotating shaft is supported on the wear pad.

Preferably, the power generation mechanism comprises a PCB board disposed on the support assembly.

By adopting the technical scheme, the utility model discloses can gain following technological effect:

the utility model discloses a miniature hydroelectric generator, long-term practical in-process still has fine waterproof nature. Specifically, when the impeller drives the rotating shaft to rotate, the impeller can generate upward lifting force to drive the rotating shaft and the permanent magnet to move upwards, so that the water cutting piece is clamped between the bearing and the permanent magnet, and the water cutting piece also rotates along with the rotation of the rotating shaft. When the clearance between water axis of rotation and the support flowed in, high-speed rotatory water piece of cutting can be fine cut the fender back to water, and cut the water piece and make for wear-resisting material, can guarantee long-term reliable work.

Through foretell technical scheme, can guarantee that miniature hydroelectric generator is at work, external rivers can not flow into the electricity generation intracavity through the clearance between pivot and the support. Can guarantee that miniature hydroelectric generator is after long-time work, the electricity generation chamber can not have the incrustation scale, can not appear rustting phenomenon simultaneously on the permanent magnet, can guarantee miniature hydroelectric generator's generating efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic axial side view of a micro-hydro generator according to an embodiment of the present invention;

FIG. 2 is a partially exploded view of a micro hydro-generator according to an embodiment of the present invention;

FIG. 3 is an exploded view of a micro hydro-generator according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a micro-hydro generator according to an embodiment of the present invention;

fig. 5 is an exploded view of a power generation mechanism according to an embodiment of the present invention;

the labels in the figure are: 1-a power generation mechanism; 2-a housing mechanism; 3-a rotating assembly; 4-a support assembly; 5-an impeller; 6-a bearing; 7-slicing; 8-a rotating shaft; 9-permanent magnet; 10-a coil; 11-a scaffold; 12-a wear plate; 13-a support cover; 14-a body; 15-a water guide cavity; 16-a PCB board; 17-power generation cavity.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1 to 5, in the present embodiment, a miniature hydro-generator with waterproof function includes a housing mechanism 2, and a power generation mechanism 1 disposed on the housing mechanism 2, the power generation mechanism 1 includes:

a support assembly 4 including a bracket 11 having a power generation chamber 17 built therein, and a coil 10 wound around the bracket 11;

a rotating assembly 3 which comprises a rotating shaft 8 which is rotatably arranged on the bracket 11 and penetrates out of the power generation cavity 17, a pair of bearings 6 which are sleeved on the rotating shaft 8 and are arranged on the supporting assembly 4, an impeller 5 which is arranged on the bearings 6 and is positioned outside the power generation cavity 17, a permanent magnet 9 which is arranged on the rotating shaft 8 and is positioned between the pair of bearings 6, and a water cutting sheet 7 which is sleeved on the rotating shaft 8 and is clamped between the bearings 6 and the permanent magnet 9; the water cutting sheet 7 is a sheet-shaped geometric body made of wear-resistant materials, the water cutting sheet 7 is positioned above the permanent magnet 9, and the bearing 6, the water cutting sheet 7 and the permanent magnet 9 are all positioned in the power generation cavity 17;

in addition, as shown in fig. 4, the main body 14 is provided with a water guide cavity 15 for water to pass through, when water passes through the water guide cavity 15 and impacts the impeller 5, the rotating impeller 5 can drive the rotating shaft 8 and drive the permanent magnet 9 to rotate so as to cut the magnetic induction lines to generate electricity; the water cutting blade 7 can rotate along with the rotating shaft 8 to limit water from flowing into the power generation cavity 17 from the gap between the rotating shaft 8 and the bracket 11.

Specifically, when the impeller 5 drives the rotating shaft 8 to rotate, the impeller 5 generates an upward lifting force to drive the rotating shaft 8 and the permanent magnet 9 to move upward, so that the water cutting sheet 7 is clamped between the bearing 6 and the permanent magnet 9, and the water cutting sheet 7 also rotates along with the rotation of the rotating shaft 8. When the clearance between water axis of rotation 8 and the support 11 flowed in, high-speed rotatory water piece 7 of cutting can be fine cut the fender back to water, and cut water piece 7 and make for wear-resisting material, can guarantee long-term reliable work.

In this embodiment, the water-cutting sheet 7 is a sheet-shaped geometric body made of PEEK. Because the PEEK material has excellent performance, has excellent temperature resistance, impact resistance and wear resistance, and can ensure the long-term reliable work of the water cutting sheet 7.

In addition, in the embodiment, the water cutting piece 7 is in clearance fit with the rotating shaft 8, and the unilateral clearance between the water cutting piece 7 and the rotating shaft 8 is 0.02 mm. In another embodiment, the unilateral gap between the water cutting sheet 7 and the rotating shaft 8 can be 0-0.05 mm.

Meanwhile, as shown in fig. 3 and 4, in the present embodiment, the water-cutting sheet 7 has a sheet-like circular geometry. Wherein, the outer diameter of the water cutting sheet 7 is not smaller than the diameter of the bearing 6 and not larger than the diameter of the permanent magnet 9.

As shown in fig. 3, 4 and 5, in the present embodiment, the support assembly 4 includes a support cover 13 disposed on the bracket 11, and a wear pad 12 supported on the support cover 13, and the rotating shaft 8 is supported on the wear pad 12. In addition, in both embodiments, the power generation mechanism 1 further includes a PCB board 16 disposed on the support member 4. The PCB 16 is electrically connected to the coil 10 to perform rectification, and belongs to the prior art, and is not described herein again.

Through the above-mentioned technical scheme of this embodiment, the miniature hydroelectric generator of this embodiment can guarantee that miniature hydroelectric generator is at work, and external rivers can not flow into in the electricity generation chamber 17 through the clearance between pivot 8 and the support 11. Can guarantee that miniature hydroelectric generator is after long-time work, the power generation chamber 17 can not have the incrustation scale, can not appear rustting phenomenon simultaneously on the permanent magnet 9, can guarantee miniature hydroelectric generator's generating efficiency.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A miniature hydro-generator with waterproof function, comprising a housing mechanism (2), and a generating mechanism (1) disposed at the housing mechanism (2), characterized in that the generating mechanism (1) comprises:

a support assembly (4) including a support (11) having a power generation chamber (17) built therein, and a coil (10) wound around the support (11);

the rotating assembly (3) comprises a rotating shaft (8) which is rotatably arranged on the bracket (11) and penetrates out of the power generation cavity (17), a pair of bearings (6) which are sleeved on the rotating shaft (8) and arranged on the supporting assembly (4), an impeller (5) which is arranged on the bearings (6) and positioned outside the power generation cavity (17), a permanent magnet (9) which is arranged on the rotating shaft (8) and positioned between the pair of bearings (6), and a water cutting sheet (7) which is sleeved on the rotating shaft (8) and clamped between the bearings (6) and the permanent magnet (9); the water cutting sheet (7) is a sheet-shaped geometric body made of wear-resistant materials, the water cutting sheet (7) is positioned above the permanent magnet (9), and the bearing (6), the water cutting sheet (7) and the permanent magnet (9) are all positioned in the power generation cavity (17);

the impeller (5) can drive the rotating shaft (8) and drive the permanent magnet (9) to rotate so as to cut the magnetic induction lines to generate electricity; the water cutting sheet (7) can rotate along with the rotating shaft (8) so as to limit water from flowing into the power generation cavity (17) from a gap between the rotating shaft (8) and the bracket (11).

2. The miniature hydro-generator with waterproof function according to claim 1, wherein said water-cutting sheet (7) is a sheet geometry made of PEEK.

3. The miniature hydroelectric generator with waterproof function according to claim 1, wherein the water cutting sheet (7) is in clearance fit with the rotating shaft (8), and the unilateral clearance between the water cutting sheet (7) and the rotating shaft (8) is 0-0.05 mm.

4. The miniature hydro-generator with waterproof function according to claim 1, characterized in that said water-cutting blade (7) has a sheet-like circular geometry.

5. The miniature hydro-generator with waterproof function according to claim 1, wherein the outer diameter of said water cutting blade (7) is not smaller than the diameter of said bearing (6), and the outer diameter of said water cutting blade (7) is not larger than the diameter of said permanent magnet (9).

6. A miniature hydro-generator with waterproof function according to claim 1, characterized in that said support assembly (4) comprises a support cover (13) disposed on said bracket (11), and a wear plate (12) supported on said support cover (13), said shaft (8) being supported on said wear plate (12).

7. A miniature hydro-generator with waterproofing function according to claim 1 wherein the electricity generating mechanism (1) comprises a PCB board (16) disposed on the support assembly (4).