Hydroelectric generator capable of discharging water in rotational flow mode

Abstract

The utility model relates to the field of hydroelectric generators, in particular to a hydroelectric generator capable of discharging water in a rotational flow mode, which comprises a casing, a motor cavity and an impeller cavity are arranged on the casing, a motor is arranged in the motor cavity, an impeller is arranged in the impeller cavity, a rotating shaft of the motor extends into the impeller cavity to be connected with the impeller, an opening is arranged on the casing, and the rotating shaft of the motor is connected with the impeller. The opening is formed in the bottom of the impeller cavity, a notch is formed in the side wall of the shell, and the bottom of the notch extends to the opening; a cover body is further included, the cover body is arranged on the opening in a covering mode, and a water inlet hole is formed in the cover body. The hydroelectric generator has the advantages of larger water outlet area and lower production cost.

Description

Technical Field

[0001] The utility model relates to the field of hydroelectric generators, in particular to a hydroelectric generator with swirling water discharge. Background Art

[0002] The principle of a hydroelectric generator is to use water flow to drive the impeller to rotate, and the impeller drives the rotor of the motor to rotate to generate electricity. Controlling the direction of water flow is one of the key factors that drive the impeller to rotate.

[0003] For example, publication number CN110953114A discloses a hydroelectric generator with a temperature sensor, which relates to the technical field of temperature sensors. The key points of its technical solution are: it includes a main body, a generator installed inside the main body, and an impeller rotatably connected to the motor shaft of the generator. A water guide cover is provided on the side of the main body close to the impeller, and water inlets are provided around the outside of the water guide cover. The upper end face of the water guide cover is reduced in diameter to provide an extended end portion, the inner part of the extended end portion is hollow, and a plurality of water outlet grooves are provided around the outside.

[0004] The problems with the existing technology are that the area of ​​the water outlet trough is relatively small, the guiding effect on the water flow is average, and a relatively complex mold core-pulling structure is required to produce the water outlet trough structure, which is costly. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the present utility model is to provide a hydroelectric generator with swirling water outlet, which has a larger water outlet area, better water flow guiding effect and lower cost.

[0006] The technical solution adopted by the utility model to solve the problem is: a hydroelectric generator with swirling water discharge, comprising:

[0007] A shell, wherein a motor cavity and an impeller cavity are provided on the shell, a motor is provided in the motor cavity, an impeller is provided in the impeller cavity, a rotating shaft of the motor extends into the impeller cavity and is connected to the impeller, an opening is provided on the shell, the opening is provided at the bottom of the impeller cavity, a notch is provided on the side wall of the shell, the bottom of the notch extends to the opening; and a cover body is also included, the cover body is covered on the opening, and the cover body is provided with a water inlet hole.

[0008] As a further improvement of the above technical solution, the inner wall of the impeller chamber is cylindrical, and the angle between the extension direction of the side wall of the notch and the radial direction of the inner wall of the impeller chamber is -°.

[0009] As a further improvement of the above technical solution, the number of the gaps is more than two, and the gaps are distributed in a ring array.

[0010] As a further improvement of the above technical solution, a clamping platform is provided at the bottom of the cover body, and the clamping platform is clamped with the notch.

[0011] As a further improvement of the above technical solution, a mounting groove is provided at the bottom of the cover body, the engaging platform extends into the mounting groove, and the bottom of the shell is engaged with the mounting groove.

[0012] As a further improvement of the above technical solution, a temperature sensor is further installed on the housing, and two ends of the temperature sensor are respectively arranged at the impeller cavity and the motor cavity.

[0013] As a further improvement of the above technical solution, a sealing ring is provided at the front end of the cover body, and a sealing ring is also provided at the middle part of the outer wall of the shell.

[0014] As a further improvement of the above technical solution, the inner wall of the shell is provided with a clamping protrusion, the clamping protrusion is used to fix the motor, and glue is filled in the motor cavity.

[0015] The beneficial effects of the present invention are as follows: a notch is provided on the side wall of the shell for water outlet, the bottom of the notch extends to the opening, the water outlet area of ​​the notch is larger than that of the water outlet trough in the prior art, and the structure is simpler and the mold cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further explained below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 A perspective view of a preferred embodiment of the present invention;

[0018] Figure 2 This is an exploded view of a preferred embodiment of the present utility model;

[0019] Figure 3 A cross-sectional view of a preferred embodiment of the present utility model;

[0020] Figure 4 It is a bottom view of the housing of the present utility model.

[0021] In the figure: 1-housing, 11-opening, 12-notch, 13-clamping protrusion, 14-motor cavity, 15-impeller cavity, 2-cover, 21-water inlet, 22-clamping platform, 23-mounting groove, 3-motor, 4-impeller, 5-temperature sensor, 6-sealing ring. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0023] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0024] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] Reference Figures 1 to 4 , is an embodiment of the present utility model:

[0027] A hydroelectric generator with swirling water discharge includes a housing 1, which is provided with a motor cavity 14 and an impeller cavity 15. The motor cavity 14 is provided with a motor 3, and the impeller cavity 15 is provided with an impeller 4. The rotating shaft of the motor 3 extends into the impeller cavity 15 and is connected to the impeller 4. The housing 1 is provided with an opening 11, which is located at the bottom of the impeller cavity 15. The side wall of the housing 1 is provided with a notch 12, and the bottom of the notch 12 extends to the opening 11. The housing 1 also includes a cover 2, which is provided over the opening 11 and has a water inlet 21. After water enters the impeller cavity 15 through the water inlet 21 on the cover 2, it flows out through the notch 12 outside the impeller 15, impacting the impeller 4 and causing it to rotate.

[0028] In a preferred embodiment, the inner wall of the impeller chamber 15 is cylindrical, and the angle between the extending direction of the side wall of the notch 12 and the radial direction of the inner wall of the impeller chamber 15 is 70-110 degrees. This facilitates the formation of a swirling water flow in the impeller chamber 15, thereby improving the impact effect on the impeller 4.

[0029] In a preferred embodiment, the number of the notches 12 is more than two, and the notches 12 are distributed in a ring array to enhance the effect of impacting the impeller 4 .

[0030] In a preferred embodiment, a clamping platform 22 is provided at the bottom of the cover body 2, and the clamping platform 22 is clamped with the notch 12. The notch 12 can serve as a water outlet and a structure connected to the cover body 2.

[0031] In a preferred embodiment, a mounting groove 23 is provided at the bottom of the cover body 2 , the engaging platform 22 extends into the mounting groove 23 , and the bottom of the housing 1 is engaged with the mounting groove 23 .

[0032] In a preferred embodiment, a temperature sensor 5 is further installed on the housing 1 , and two ends of the temperature sensor 5 are respectively arranged at the impeller cavity 15 and the motor cavity 14 .

[0033] In a preferred embodiment, a sealing ring 6 is provided at the front end of the cover 2, and a sealing ring 6 is also provided at the middle of the outer wall of the housing 1. The sealing ring 6 is used to connect to an external water pipe or faucet.

[0034] In a preferred embodiment, a clamping protrusion 13 is provided on the inner wall of the housing 1 , and the clamping protrusion 13 is used to fix the motor 3 . The motor cavity 14 is filled with glue.

[0035] The above are only preferred embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A hydroelectric generator with swirling water discharge, comprising a housing (1), wherein the housing (1) is provided with a motor cavity (14) and an impeller cavity (15), wherein a motor (3) is provided in the motor cavity (14), and an impeller (4) is provided in the impeller cavity (15), wherein a rotating shaft of the motor (3) extends into the impeller cavity (15) and is connected to the impeller (4), and wherein: The housing (1) is provided with an opening (11), the opening (11) being located at the bottom of the impeller chamber (15); a notch (12) is provided on the side wall of the housing (1), the bottom of the notch (12) extending to the opening (11); It also includes a cover body (2), the cover body (2) is arranged on the opening (11), and the cover body (2) is provided with a water inlet hole (21).

2. A hydroelectric generator with swirling water discharge according to claim 1, characterized in that: The inner wall of the impeller chamber (15) is cylindrical, and the angle between the extension direction of the side wall of the notch (12) and the radial direction of the inner wall of the impeller chamber (15) is 70-110°.

3. The hydroelectric generator with swirling water discharge according to claim 1, characterized in that: The number of the notches (12) is more than two, and the notches (12) are distributed in a ring array.

4. The hydroelectric generator with swirling water discharge according to claim 1, characterized in that: A clamping platform (22) is provided at the bottom of the cover body (2), and the clamping platform (22) is clamped with the notch (12).

5. The hydroelectric generator with swirling water discharge according to claim 4, characterized in that: The bottom of the cover body (2) is provided with a mounting groove (23), the clamping platform (22) extends into the mounting groove (23), and the bottom of the shell (1) is clamped with the mounting groove (23).

6. The hydroelectric generator with swirling water discharge according to claim 1, characterized in that: A temperature sensor (5) is also installed on the housing (1), and two ends of the temperature sensor (5) are respectively arranged at the impeller cavity (15) and the motor cavity (14).

7. The hydroelectric generator with swirling water discharge according to claim 1, characterized in that: A sealing ring (6) is provided at the front end of the cover body (2), and a sealing ring (6) is also provided at the middle portion of the outer wall of the shell (1).

8. The hydroelectric generator with swirling water discharge according to claim 1, characterized in that: The inner wall of the housing (1) is provided with a clamping protrusion (13), the clamping protrusion (13) is used to fix the motor (3), and glue is filled in the motor cavity (14).

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