CN219570243U - Micro-water generator capable of adapting to water level change and maintaining power generation - Google Patents
Micro-water generator capable of adapting to water level change and maintaining power generation Download PDFInfo
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- CN219570243U CN219570243U CN202320342223.0U CN202320342223U CN219570243U CN 219570243 U CN219570243 U CN 219570243U CN 202320342223 U CN202320342223 U CN 202320342223U CN 219570243 U CN219570243 U CN 219570243U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model provides a micro-water generator capable of adapting to water level change to maintain generating power, which comprises an obliquely arranged mounting pipe, a water wheel horizontally arranged at the bottom end in the mounting pipe and a low-speed permanent magnet direct-driven generator fixedly arranged at one side of the mounting pipe and in transmission connection with the water wheel, wherein the bottom end of the mounting pipe is provided with a cylindrical water wheel accommodating structure, a water inlet of the water wheel accommodating structure is positioned at the top of the water wheel accommodating structure and is communicated with the bottom end of the mounting pipe, a water outlet of the water wheel accommodating structure is positioned at the bottom of the water wheel accommodating structure, the water wheel comprises a connecting shaft, a fixed blade fixedly arranged on the outer wall of the connecting shaft and a movable blade axially and slidably arranged in the fixed blade, and an adjusting rod capable of driving the movable end of the movable blade to axially move along the water wheel is matched with the inner thread of the water wheel accommodating structure. The utility model has the advantage that the micro-water generator is suitable for stable power generation of different water flows.
Description
Technical Field
The utility model relates to the technical field of micro-water generators, in particular to a micro-water generator capable of adapting to water level change to maintain power generation.
Background
The centralized power supply can meet the power supply requirements of most areas in China, but for farmer areas or remote mountain areas, huge investment and longer construction period are required for building a large-scale centralized power supply and distribution network, and the development of the areas is severely restricted by the supply of energy. Hydropower stations can be built in a part of areas to generate electricity, the hydropower is generated by converting the power of water into rotation of an input shaft of a generator through a water turbine, and a river blocking dam is usually built to achieve larger generated energy; however, the barrage is only suitable for mountain areas with larger drop, and the effect of generating electricity by utilizing the kinetic energy of water flow is poor for the areas with relatively gentle water flow. Therefore, the problem of energy shortage in the areas can be well solved by establishing a micro-water power station which can adapt to the ditches.
However, the flow of the ditch water is generally unstable, and the flow of the ditch water cannot effectively push the water wheels in the micro-water power station to rotate rapidly during the agro-irrigation, so that the generated energy is low; during the period of water rising, excessive water is stored in the ditch, so that the rotating speed of the water wheel is too high, and stall rotation damage exists.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a micro-water generator which can adapt to water level change to maintain power generation efficiency, and solves the problem of unstable rotating speed of a turbine impeller of a micro-water power station existing in the prior art.
According to the embodiment of the utility model, the micro-water generator capable of adapting to water level change and maintaining generating power comprises an obliquely arranged mounting pipe, a water wheel horizontally arranged at the bottom end in the mounting pipe and a low-speed permanent magnet direct-driven generator fixedly arranged at one side of the mounting pipe and in transmission connection with the water wheel, wherein the bottom end of the mounting pipe is provided with a cylindrical water wheel accommodating structure, a water inlet of the water wheel accommodating structure is positioned at the top of the water wheel accommodating structure and is communicated with the bottom end of the mounting pipe, a water outlet of the water wheel accommodating structure is positioned at the bottom of the water wheel accommodating structure, the water wheel comprises a connecting shaft, a fixed blade fixedly arranged on the outer wall of the connecting shaft and a movable blade axially slidably arranged in the fixed blade, and an adjusting rod capable of driving the movable end of the movable blade to axially move along the water wheel is matched with the inner thread of the water wheel accommodating structure.
Preferably, the water wheel accommodating structure comprises a cylindrical mounting cylinder and mounting walls arranged at two ends of the mounting cylinder, a mounting shaft is coaxially and fixedly arranged between the two mounting walls, the connecting shaft is rotatably arranged on the mounting shaft, one end of the connecting shaft is in transmission connection with the low-speed permanent magnet direct-driven generator, and the adjusting rod is coaxially arranged in the mounting shaft.
Preferably, the middle part of the installation shaft is provided with a partition, the movable end of the movable blade is provided with a rod piece, the outer wall of the connection shaft is provided with a chute for the rod piece to pass through, and the movable blade is rotationally connected to the adjusting rod through the rod piece.
Preferably, the installation shaft is provided with a sliding groove, the sliding groove is parallel to the installation shaft, the end part of the adjusting rod is rotatably provided with a sliding block, the sliding block is provided with a protrusion penetrating through the sliding groove, the movable end of the movable blade is provided with a rod piece, the rod piece penetrates through the groove on the side wall of the connection shaft and is connected with a movable ring rotatably sleeved on the installation shaft, the groove is parallel to the connection shaft, the movable ring is provided with permanent magnets on opposite side walls of the protrusion, the magnets on opposite sides of the two permanent magnets are identical, and the side wall of the movable ring far away from the protrusion is connected with the inner wall of the connection shaft through a spring.
Preferably, the bottom of the installation tube is inserted into the water wheel accommodating structure, the bottom of the installation tube is opposite to the water wheel, a tube orifice at the bottom of the installation tube is positioned on one side of the inside of the water wheel accommodating structure, and a transmission structure between the water wheel and the low-speed permanent magnet direct-driven generator is positioned on the other side of the inside of the water wheel accommodating structure.
Preferably, the low-speed permanent magnet direct-driven generator is fixedly arranged in a C-shaped mounting frame, the mounting frame is fixed on the side wall of the dam body, the transmission structure comprises a chain wheel chain group and a speed reducer fixedly arranged in the mounting frame, an output shaft of the low-speed permanent magnet direct-driven generator is coaxially and fixedly connected with an output end of the speed reducer, and the water wheel is in transmission connection with an input end of the speed reducer through the chain wheel chain group.
Preferably, a rotation speed sensor for monitoring the rotation speed of the sprocket in the sprocket chain group is fixedly arranged on the speed reducer.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the water storage capacity of the micro-water power station is large, the impact area of the water wheel is reduced by reducing the length of the blades of the water wheel, so that the rotating speed of the water wheel is reduced, the rotating speed of the water wheel is stable, and the damage caused by the stalling rotation of the water wheel is avoided; when the water storage capacity of the micro-water power station is smaller, the impact area of the water wheel is increased by increasing the length of the blades of the water wheel, so that the rotating speed of the water wheel is increased, and the generated energy is improved.
2. By arranging the movable blade which can be inserted into the fixed blade, the movable end of the movable blade is pushed in the process of screwing the adjusting rod into the impeller accommodating structure by rotating the adjusting rod, so that the movable blade part enters the fixed blade; in the process that the adjusting rod is screwed out of the impeller accommodating structure, the movable end of the movable blade is pulled, so that the movable blade is moved out of the fixed blade; the adjustment of the area of the water wheel blade is realized.
Drawings
Fig. 1 is a front view of an embodiment of the present utility model.
Fig. 2 is a side view of the internal structure of an embodiment of the present utility model.
Fig. 3 is a front view of an internal structure of an embodiment of the present utility model.
In the above figures: 1. installing a pipe; 2. a mounting wall; 3. a mounting cylinder; 4. a mounting shaft; 5. a connecting shaft; 6. a fixed blade; 7. a movable blade; 8. an adjusting rod; 9. a sliding block; 10. a permanent magnet; 11. a moving ring; 12. reinforcing ribs; 13. a mounting frame; 14. a low-speed permanent magnet direct-drive generator; 15. a speed reducer; 16. a rotation speed sensor.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the micro-water generator is adapted to various water flows through the size adjustment of the water wheel blades. The utility model provides a micro-water generator capable of adapting to water level change and maintaining power generation, which comprises an obliquely arranged mounting tube 1, a water wheel horizontally arranged at the bottom end in the mounting tube 1 in a rotating way and a low-speed permanent magnet direct-driven generator 14 fixedly arranged at one side of the mounting tube 1 and connected with the water wheel in a transmission way, wherein the bottom end of the mounting tube 1 is provided with a cylindrical water wheel accommodating structure, a water inlet of the water wheel accommodating structure is positioned at the top of the water wheel accommodating structure and communicated with the bottom end of the mounting tube 1, a water outlet of the water wheel accommodating structure is positioned at the bottom of the water wheel accommodating structure, the water wheel comprises a connecting shaft 5, a fixed blade 6 fixedly arranged on the outer wall of the connecting shaft 5 and a movable blade 7 axially and slidably arranged in the fixed blade 6, and an adjusting rod 8 capable of driving the movable end of the movable blade 7 to axially move along the water wheel is matched with the inner threads of the water wheel accommodating structure.
The installation tube 1 is fixedly installed on a dam body, a water inlet channel is formed in the top of the water storage side of the dam body, the water inlet channel is communicated with a water inlet in the top of the installation tube 1, water flows into the installation tube 1 through the water inlet channel, enters the water wheel accommodating structure through the installation tube 1, flows in from the top of the water wheel accommodating structure, impacts the water wheel in the water wheel accommodating structure, enables the water wheel to rotate, and drives an input shaft of the low-speed permanent magnet direct-drive generator 14 to rotate through a transmission structure to generate power when the water wheel rotates.
When the water flow is large, the area of the upper blade of the water wheel needs to be reduced so as to reduce the rotating speed of the water wheel, the adjusting rod 8 is rotated inwards in the water wheel accommodating structure, the adjusting rod 8 moves inwards along the axial direction of the water wheel accommodating structure and drives the movable blade 7 to move towards the fixed blade 6, so that part of the movable blade 7 enters the fixed blade 6, the stressed area of the water wheel blade is reduced, and stall damage caused by too high rotating speed of the water wheel is avoided; when the water flow is smaller, the area of the upper blade of the water wheel needs to be increased to improve the rotating speed of the water wheel, the adjusting rod 8 is screwed out of the water wheel accommodating structure, the adjusting rod 8 moves outwards along the axial direction of the water wheel accommodating structure and drives the movable blade 7 to move away from the fixed blade 6, so that the movable blade 7 moves out of the fixed blade 6, the increase of the stressed area of the water wheel blade is realized, and the problem of low generated energy caused by low rotating speed of the water wheel due to small water flow is solved.
As shown in fig. 1-3, the cylindrical water wheel housing structure is as follows. The water wheel accommodating structure comprises a cylindrical mounting cylinder 3 and mounting walls 2 arranged at two ends of the mounting cylinder 3, a mounting shaft 4 is coaxially and fixedly arranged between the two mounting walls 2, a connecting shaft 5 is rotatably arranged on the mounting shaft 4, one end of the connecting shaft 5 is in transmission connection with the low-speed permanent magnet direct-driven generator 14, and an adjusting rod 8 is coaxially arranged in the mounting shaft 4.
The water wheel holding structure is cylindrical, the side wall adopts the mounting barrel 3, the end wall adopts the mounting wall 2, the water wheel is rotationally mounted on the mounting shaft 4, and the adjusting rod 8 is coaxially arranged in the mounting shaft 4. Vertical reinforcing ribs 12 are arranged at the bottom of the installation tube 1, and the reinforcing ribs 12 are connected with the bottom wall of the installation tube 1 and the side wall of the installation tube 3 so as to improve the stability of the installation tube 3.
As a preferred embodiment of the present utility model, a structure for driving the movable blade 7 to move is provided. The middle part of the installation shaft 4 is provided with a partition, the movable end of the movable blade 7 is provided with a rod piece, the outer wall of the connecting shaft 5 is provided with a chute for the rod piece to pass through, and the movable blade 7 is rotationally connected to the adjusting rod 8 through the rod piece.
By screwing in the adjusting rod 8, the adjusting rod 8 moves along the axial direction of the mounting shaft 4, the adjusting rod 8 pushes the movable blade 7 to move towards the fixed blade 6 through a rod piece on the movable blade 7, so that part of the movable blade 7 enters the fixed blade 6, and the stressed area of the water wheel blade is reduced; conversely, the adjusting rod 8 is unscrewed, the adjusting rod 8 moves in a direction away from the fixed blade 6, the adjusting rod 8 pulls the movable blade 7 away from the fixed blade 6 through the rod piece on the movable blade 7, so that the movable blade 7 moves out of the fixed blade 6, and the stressed area of the water wheel blade is increased.
As shown in fig. 3, another structure for driving the movable blade 7 to move is provided. The installation shaft 4 is provided with a sliding groove, the sliding groove is parallel to the installation shaft 4, the end part of the adjusting rod 8 is rotatably provided with a sliding block 9, the sliding block 9 is provided with a protrusion penetrating through the sliding groove, the movable end of the movable blade 7 is provided with a rod, the rod penetrates through a groove on the side wall of the connecting shaft 5 and is connected with a movable ring 11 rotatably sleeved on the installation shaft 4, the groove is parallel to the connecting shaft 5, the movable ring 11 is provided with permanent magnets 10 on opposite side walls of the protrusion, the magnets on opposite sides of the two permanent magnets 10 are identical, and the side wall of the movable ring 11 far away from the protrusion is connected with the inner wall of the connecting shaft 5 through a spring.
The adjusting rod 8 is screwed in or screwed out, so that the adjusting rod 8 moves in the axial direction of the mounting shaft 4, the sliding block 9 is driven to move, the sliding block 9 pushes the moving ring 11 to move through the permanent magnet 10 between the sliding block 9 and the moving ring 11, the movable blades 7 are moved into the fixed blades 6, and the area of the water wheel blades is reduced; in the process that the sliding block 9 moves away from the moving ring 11, the compressed spring pushes the moving ring 11 to move towards the sliding block 9, so that the movable blades 7 move out of the fixed blades 6, and the area of the water turbine blades is increased. In this driving mode, the moving ring 11 is not in contact with the sliding block 9, so that friction in the rotation process of the water wheel can be reduced, and the water wheel can rotate more stably.
As shown in fig. 1 and 3, in order to avoid the water flow flowing out of the installation tube 1 from impacting the transmission structure between the water wheel and the low-speed permanent magnet direct-drive generator 14. The bottom of the installation pipe 1 is inserted into the water wheel accommodating structure, the bottom of the installation pipe 1 is opposite to the water wheel, a pipe orifice at the bottom of the installation pipe 1 is positioned on one side of the inside of the water wheel accommodating structure, and a transmission structure between the water wheel and the low-speed permanent magnet direct-driven generator is positioned on the other side of the inside of the water wheel accommodating structure. The transmission structure and the mounting tube 1 are respectively positioned at two ends of the mounting tube 3, so that the impact of water flow on the transmission structure can be reduced, and the service life of the transmission structure is prolonged.
As shown in fig. 1, to achieve a watertight installation of the low speed permanent magnet direct drive generator 14. The low-speed permanent magnet direct-driven generator 14 is fixedly arranged in a C-shaped mounting frame 13, the mounting frame 13 is fixed on the side wall of the dam body, the transmission structure comprises a chain wheel chain group and a speed reducer 15 fixedly arranged in the mounting frame 13, an output shaft of the low-speed permanent magnet direct-driven generator 14 is coaxially and fixedly connected with an output end of the speed reducer 15, and the water wheel is in transmission connection with an input end of the speed reducer 15 through the chain wheel chain group. Install the low-speed permanent magnetism direct-drive generator 14 at the top of dam body lateral wall through installing frame 13, the structure setting of installing frame 13 can avoid the deluge, and the low water level can not be higher than installing frame 13, and the speed reducer 15 can adjust the rotational speed of input to low-speed permanent magnetism direct-drive generator 14.
As shown in fig. 1, in order to achieve intelligent speed regulation of the speed reducer 15. The speed reducer 15 is fixedly provided with a rotation speed sensor 16 for monitoring the rotation speed of the sprocket in the sprocket-chain set. According to the gear of the rotation speed sensor 16 rotary speed reducer 15, the input shaft of the low-speed permanent magnet direct-drive generator 14 rotates more stably; and the area of the turbine blades can be adjusted according to the rotation speed sensor 16.
Claims (7)
1. Micro-water generator capable of adapting to water level change to maintain generating power, and is characterized in that: including installation pipe (1) that the slope was arranged, the level rotates the water wheels that set up bottom in installation pipe (1) and fixed setting in installation pipe (1) one side and with the low-speed permanent magnetism direct drive generator (14) that the water wheel transmission is connected, the bottom of installation pipe (1) is provided with cylindric water wheels and holds the structure, the water inlet that water wheels held the structure is located its top and communicates with the bottom of installation pipe (1), the outlet that water wheels held the structure is located the bottom, the water wheels include connecting axle (5), fixed blade (6) and the axial slip that set up on the connecting axle (5) outer wall movable blade (7) in fixed blade (6), water wheels hold structure internal thread fit has can drive movable blade's (7) movable end along water wheels axial displacement's regulation pole (8).
2. The micro-water generator for adapting to water level change to maintain generating power according to claim 1, wherein: the water wheel accommodating structure comprises a cylindrical mounting cylinder (3) and mounting walls (2) arranged at two ends of the mounting cylinder (3), a mounting shaft (4) is coaxially and fixedly arranged between the two mounting walls (2), the connecting shaft (5) is rotatably arranged on the mounting shaft (4), one end of the connecting shaft (5) is in transmission connection with the low-speed permanent magnet direct-driven generator (14), and the adjusting rod (8) is coaxially arranged in the mounting shaft (4).
3. The micro-water generator adapted to maintain the generated power in response to the water level change as claimed in claim 2, wherein: the middle part of the installation shaft (4) is provided with a partition, the movable end of the movable blade (7) is provided with a rod piece, the outer wall of the connecting shaft (5) is provided with a chute for the rod piece to pass through, and the movable blade (7) is rotationally connected to the adjusting rod (8) through the rod piece.
4. The micro-water generator adapted to maintain the generated power in response to the water level change as claimed in claim 2, wherein: the installation shaft (4) is provided with a sliding groove, the sliding groove is parallel to the installation shaft (4), the end part of the adjusting rod (8) is rotationally provided with a sliding block (9), the sliding block (9) is provided with a protrusion penetrating through the sliding groove, the movable end of the movable blade (7) is provided with a rod piece, the rod piece penetrates through a groove on the side wall of the connecting shaft (5) and is connected with a movable ring (11) sleeved on the installation shaft (4), the groove is parallel to the connecting shaft (5), the movable ring (11) is provided with permanent magnets (10) on opposite side walls of the protrusion, the magnets on opposite sides of the two permanent magnets (10) are identical, and the side wall of the movable ring (11) far away from the protrusion is connected with the inner wall of the connecting shaft (5) through a spring.
5. A micro-water generator adapted to maintain a generated power in response to a water level change as claimed in any one of claims 1 to 4, wherein: the bottom of the installation pipe (1) is inserted into the water wheel accommodating structure, the bottom of the installation pipe (1) is opposite to the water wheel, a pipe orifice at the bottom of the installation pipe (1) is positioned on one side of the inside of the water wheel accommodating structure, and a transmission structure between the water wheel and the low-speed permanent magnet direct-driven generator is positioned on the other side of the inside of the water wheel accommodating structure.
6. The micro-water generator for adapting to water level change and maintaining generated power according to claim 5, wherein: the low-speed permanent magnet direct-driven generator (14) is fixedly arranged in a C-shaped mounting frame (13), the mounting frame (13) is fixed on the side wall of the dam body, the transmission structure comprises a chain wheel chain group and a speed reducer (15) fixedly arranged in the mounting frame (13), an output shaft of the low-speed permanent magnet direct-driven generator (14) is coaxially and fixedly connected with an output end of the speed reducer (15), and the water wheel is in transmission connection with an input end of the speed reducer (15) through the chain wheel chain group.
7. The micro-water generator for adapting to water level change to maintain electric power according to claim 6, wherein: the speed reducer (15) is fixedly provided with a rotation speed sensor (16) for monitoring the rotation speed of the chain wheels in the chain wheel and chain group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320342223.0U CN219570243U (en) | 2023-02-28 | 2023-02-28 | Micro-water generator capable of adapting to water level change and maintaining power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320342223.0U CN219570243U (en) | 2023-02-28 | 2023-02-28 | Micro-water generator capable of adapting to water level change and maintaining power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219570243U true CN219570243U (en) | 2023-08-22 |
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ID=87652181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320342223.0U Active CN219570243U (en) | 2023-02-28 | 2023-02-28 | Micro-water generator capable of adapting to water level change and maintaining power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219570243U (en) |
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2023
- 2023-02-28 CN CN202320342223.0U patent/CN219570243U/en active Active
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