CN111120184A - Follow current power generation system - Google Patents
Follow current power generation system Download PDFInfo
- Publication number
- CN111120184A CN111120184A CN201911322835.8A CN201911322835A CN111120184A CN 111120184 A CN111120184 A CN 111120184A CN 201911322835 A CN201911322835 A CN 201911322835A CN 111120184 A CN111120184 A CN 111120184A
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- CN
- China
- Prior art keywords
- power generation
- flow
- gear
- roller bearing
- chasing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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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
Abstract
The invention discloses a flow following power generation system, wherein a box body is connected with a power generation unit and a flow following unit for increasing speed, the power generation unit comprises a planetary speed increasing assembly which is arranged in a shell body and connected, the upper end of the planetary speed increasing assembly is provided with a mounting flange, a power generator is arranged on the mounting flange, the planetary speed increasing assembly is connected with a propeller to increase the rotating speed of the propeller and then transmit the rotating speed to the power generator, the flow following unit comprises a hollow rotating platform, a rotating input shaft of the hollow rotating platform is in transmission connection with an outer ring of a first crossed roller bearing of the power generation unit, an inner ring of the first crossed roller bearing is fixedly connected to the box body, an outer ring of the first crossed roller bearing is connected with the mounting flange, and the power generation unit. Through the mode, the flow following power generation system can adjust the angle of the propeller along with the water flow angle direction, the propeller is ensured to be kept at a proper angle, the rotating speed of the propeller is increased through the accelerating mechanism, and the power generation efficiency is improved.
Description
Technical Field
The invention relates to the field of hydroelectric power generation, in particular to a flow following power generation system.
Background
The water flow generator has the working principle that the propeller blades of the generator are driven to rotate through water flow, the blades drive the propeller to rotate, mechanical energy is converted into electric energy, and then electric power is transmitted through a cable.
The existing water flow generator arranged on a ship has low generating efficiency because the speed of the propeller pushed by natural water flow is limited, and the optimal direction of the propeller pushed by water flow is difficult to ensure because the direction of the water flow can be changed.
Disclosure of Invention
The invention mainly solves the technical problem of providing a flow following power generation system, which can adjust the angle of a propeller along with the angle direction of water flow, ensure that the propeller keeps at a proper angle, improve the rotating speed of a generator through an accelerating mechanism and improve the power generation efficiency.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a flow chasing power generation system, includes the box, swing joint has the power generation unit that is used for the acceleration rate and follows the unit that flows on the box, it is connected in order to drive the power generation unit rotatory on the box with the power generation unit transmission to follow the flow unit, the power generation unit is connected including installing the planet acceleration rate subassembly in the casing, the upper end of planet acceleration rate subassembly is equipped with mounting flange, the generator that is connected with planet acceleration rate subassembly transmission is equipped with on the mounting flange, planet acceleration rate subassembly is connected with the screw and is transmitted to the generator after the rotational speed of screw increases, it includes the cavity rotary platform of fixed connection on the box to follow the flow unit, the rotation input shaft of cavity rotary platform is connected with the outer lane transmission of the first cross roller bearing of power generation unit, the inner circle fixed connection of first cross roller bearing is on the box, and the outer lane of first cross roller bearing is, the outer ring of the first crossed roller bearing is driven to rotate by the flow following unit, so that the power generation unit rotates on the box body.
In a preferred embodiment of the present invention, the planetary speed increasing assembly includes an input shaft, a propeller is mounted on the input shaft to drive the input shaft to rotate, a face gear is disposed on the input shaft, the face gear is in transmission connection with an output shaft, the output shaft is in transmission connection with a planetary gear assembly through an inner ring of a second crossed roller bearing, the planetary gear assembly outputs power to a generator, and an outer ring of the second crossed roller bearing is fixedly connected to the mounting flange.
In a preferred embodiment of the present invention, the planetary gear assembly includes a primary planetary gear having a primary planet carrier connected to the inner ring of the second crossed roller bearing, the primary planet carrier outputting power to the generator through the first sun gear via a primary positioning pin and a primary planet gear, the primary planet gear meshing with an inner ring gear fixed to the case.
In a preferred embodiment of the invention, the planetary gear assembly comprises a primary planet gear and a secondary planet gear, the primary planet carrier of the primary planet gear is connected with the inner ring of the second crossed roller bearing, the primary planet carrier passes power through a first sun gear by a primary positioning pin and a primary planet gear, the primary planet gear is meshed with an inner gear ring, the inner gear ring is fixed on the box body, the first sun gear is connected with the secondary planet carrier, the secondary planet carrier passes power through a secondary sun gear by a secondary positioning pin and a secondary planet gear, the secondary sun gear outputs power to the generator, and the secondary planet gear is meshed with the inner gear ring.
In a preferred embodiment of the present invention, the hollow rotating platform comprises a servo motor for inputting power, the servo motor is connected with a rotating input shaft, the rotating input shaft is meshed with an outer gear ring on an outer ring of the first crossed roller bearing, and the servo motor inputs power to drive the outer ring of the first crossed roller bearing to rotate through the rotating input shaft so that the outer ring of the first crossed roller bearing, the mounting flange, the inner gear ring and the box body rotate simultaneously.
In a preferred embodiment of the invention, the outer ring gear is fixedly connected to or integrally formed with the outer ring of the first cross roller bearing.
In a preferred embodiment of the present invention, a rear flange is disposed at a lower end of the mounting flange, a connecting flange is disposed at an upper end of the box body, and a positioning pin is disposed on the rear flange, and the positioning pin sequentially passes through the rear flange, the inner gear ring, and the connecting flange to be connected with an outer ring of the second crossed roller bearing.
In a preferred embodiment of the invention, the flow following power generation system is mounted on a ship body, the flow following unit and the power generation unit extend into water, the propeller is driven by water flow to rotate so as to enable the power generation unit to generate power, and the flow following unit drives the power generation unit to rotate to a direction corresponding to the water flow according to the flow direction of the water flow.
In a preferred embodiment of the invention, a water flow sensor is further mounted on the flow following unit, the water flow sensor detects the flow direction of water flow and sends a signal to a controller, and the controller is connected with the flow following unit and controls the flow following unit to work through the signal of the water flow sensor.
In a preferred embodiment of the present invention, a first oil seal is provided between the housing and the outer race of the first cross roller bearing, and a second oil seal is provided between the housing and the input shaft.
The invention has the beneficial effects that: the flow-following power generation system can adjust the angle of the propeller along with the water flow angle direction, so that the propeller is kept at a proper angle, the rotating speed of the propeller is increased by the rotating speed of the generator through the accelerating mechanism, and the power generation efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a preferred embodiment of a flow-chasing power generation system according to the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2;
FIG. 4 is a schematic view of a portion of the structure of FIG. 1;
FIG. 5 is an external view of the structure of FIG. 1;
the parts in the drawings are numbered as follows: 1. The device comprises a box body, 2, a power generation unit, 21, a shell, 22, a planetary speed increasing assembly, 221, an input shaft, 222, a face gear, 223, an output shaft, 224, a second crossed roller bearing, 23, a mounting flange, 24, a generator, 25, a propeller, 26, a first crossed roller bearing, 261, an outer ring, 262, an inner ring, 263, an outer ring gear, 27, a planetary gear assembly, 271, a first-stage planet carrier, 272, a first-stage positioning pin, 273, a first-stage planet gear, 274, a first-stage sun gear, 275, an inner ring gear, 276, a second-stage planet carrier, 277, a second-stage positioning pin, 278, a second-stage planet gear, 279, a second-stage sun gear, 3, a flow following unit, 31, a hollow rotating guide bar, 311, a rotating input shaft, 312, a servo motor, 4, a rear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flow-following power generation system comprises a box body 1, a power generation unit 2 for increasing speed and a flow-following unit 3 are movably connected to the box body 1, the flow-following unit 3 is in transmission connection with the power generation unit 2 to drive the power generation unit 2 to rotate on the box body 1, the power generation unit 2 comprises a planetary speed-increasing assembly 22 installed in a shell 21, an installation flange 23 is arranged at the upper end of the planetary speed-increasing assembly 22, a power generator 24 in transmission connection with the planetary speed-increasing assembly 22 is installed on the installation flange 23, the planetary speed-increasing assembly 22 is connected with a propeller 25 to increase the rotation speed of the propeller 25 and then transmit the rotation speed to the power generator 24, the flow-following unit 3 comprises a hollow rotating platform 31 fixedly connected to the box body 1, a rotation input shaft 311 of the hollow rotating platform 3 is in transmission connection with an outer ring 261 of a first crossed roller bearing 26 of the power generation unit 2, an inner ring roller end, the upper end of the outer ring 261 of the first crossed roller bearing 2 is connected with the mounting flange 23, and the outer ring 261 of the first crossed roller bearing 2 is driven to rotate by the flow following unit, so that the power generation unit 2 rotates on the box body 1.
In addition, the planetary speed increasing assembly 22 comprises an input shaft 221, a propeller 25 for driving the input shaft to rotate is mounted on the input shaft 221, a face gear 222 is arranged on the input shaft 221, the face gear 222 is in transmission connection with an output shaft 223, the output shaft 223 is in transmission connection with the planetary gear assembly 27 through an inner ring of a second crossed roller bearing 224, the planetary gear assembly 27 outputs power to the generator 24, and an outer ring of the second crossed roller bearing 224 is fixedly connected to the mounting flange 23.
In addition, the planetary gear assembly 27 includes a primary planetary gear, a primary planet carrier 271 of which is connected with an inner ring of the second cross roller bearing 224, the primary planet carrier 271 outputs power to the generator 24 through a first sun gear 274 by a primary positioning pin 272 and a primary planet wheel 273, the primary planet wheel 273 is engaged with an inner ring gear 275, and the inner ring gear 275 is fixed on the case 1. One-stage or multi-stage planetary gears can be selectively arranged according to requirements to increase the speed.
Preferably, the planetary gear assembly includes a primary planetary gear and a secondary planetary gear, the primary planet carrier 271 of the primary planetary gear is connected with the inner ring of the second cross roller bearing 224, the primary planet carrier 271 transmits power through a first sun gear 274 by a primary positioning pin 272 and a primary planet gear 273, the primary planet gear 273 is engaged with an inner ring gear 275, the inner ring gear 275 is fixed on the housing 1, the first sun gear 274 is connected with the secondary planet carrier 276, the secondary planet carrier 274 transmits power through a secondary sun gear 279 by a secondary positioning pin 277 and a secondary planet gear 278, the secondary sun gear 279 outputs the power to the generator 24, and the secondary planet gear 278 is engaged with the inner ring gear 275.
In addition, the hollow rotary platform 3 comprises a servo motor 312 for inputting power, the servo motor 312 is connected with a rotary input shaft 311, the rotary input shaft 311 is meshed with an outer gear ring 263 on an outer ring 261 of the first crossed roller bearing 26, and the servo motor 312 inputs power to drive the outer ring 261 of the first crossed roller bearing 26 to rotate through the rotary input shaft 311, so that the outer ring 26 of the first crossed roller bearing 261, the mounting flange 23, the inner gear ring 275 and the box body 1 rotate simultaneously.
In addition, the outer ring gear 263 is fixedly connected to the outer ring 261 of the first cross roller bearing 26 or is integrally formed with the outer ring 261 of the first cross roller bearing 26 (not shown in the drawings).
In addition, the lower end of the mounting flange 23 is provided with a rear flange 4, the upper end of the box body 1 is provided with a connecting flange 5, the rear flange 4 is provided with a positioning pin 6, and the positioning pin 6 sequentially penetrates through the rear flange 4, the inner gear ring 275 and the connecting flange 5 to be connected with the outer ring of the second cross roller bearing 224.
In addition, the following current power generation system is installed on the ship body, the following current unit 3 and the power generation unit 2 extend into water, the propeller 25 drives the power generation unit 2 to generate power through the rotation of the water flow, and the following current unit 3 drives the power generation unit 2 to rotate to the direction corresponding to the water flow according to the flow direction of the water flow.
In addition, a water flow sensor is further mounted on the flow following unit 3, the water flow sensor detects the flow direction of water flow and sends a signal to a controller, and the controller is connected with the flow following unit 3 and controls the flow following unit 3 to work through the signal of the water flow sensor. Can avoid reducing artifical regulation accuracy inadequately according to the rotation of rivers direction automatic adjustment power generation unit through rivers sensor.
Further, a first oil seal is provided between the housing 1 and the outer ring 261 of the first cross roller bearing 26, and a second oil seal is provided between the housing 1 and the input shaft 221.
The following flow following power generation system has the following specific working principle: the flow-following power generation system is installed on a ship, a box body is fixed, the power generation unit 2 and the flow-following unit 3 are submerged in water, when the ship is in water, due to the influence of water flow, the water flow pushes the propeller 25 to rotate, the propeller 25 transmits power to the generator 24 through the input shaft 221, the face gear 222, the output shaft 223, the second crossed roller bearing 224, the primary planetary gear and the secondary planetary gear, the output shaft 223 has a 3-speed ratio, the primary sun gear 274 and the secondary sun gear 279 have 5-speed ratios, the propeller 25 is accelerated through the planetary speed-increasing assembly 22 and then transmitted to the generator 24, and the accelerated generator 24 starts to rotate to generate power, so that the power generation efficiency is high. When the water flow direction is changed, the servo motor 312 is started, the servo motor 312 drives the rotation input shaft 311 to drive the outer gear ring 263 to rotate, and the outer gear ring 263 drives the outer ring 261 of the first crossed roller bearing 26, the mounting flange 23, the inner gear ring 275 and the box body 1 to rotate simultaneously, so that the propeller is adjusted to the most appropriate direction.
Different from the prior art, the flow following power generation system can adjust the angle of the propeller along with the water flow angle direction, so that the propeller is kept at a proper angle, the rotating speed of the propeller is increased by the rotating speed of the generator through the accelerating mechanism, and the power generation efficiency is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A flow-following power generation system comprises a box body and is characterized in that the box body is movably connected with a power generation unit used for increasing speed and a flow-following unit, the flow-following unit is in transmission connection with the power generation unit to drive the power generation unit to rotate on the box body, the power generation unit comprises a planet speed-increasing assembly arranged in a shell, a mounting flange is arranged at the upper end of the planet speed-increasing assembly, a power generator in transmission connection with the planet speed-increasing assembly is arranged on the mounting flange, the planet speed-increasing assembly is connected with a propeller to increase the rotating speed of the propeller and then transmit the rotating speed to the power generator, the flow-following unit comprises a hollow rotating platform fixedly connected to the box body, a rotating input shaft of the hollow rotating platform is in transmission connection with an outer ring of a first crossed roller bearing of the power generation unit, an inner ring of the first crossed roller bearing is fixedly connected to the box body, and, the outer ring of the first crossed roller bearing is driven to rotate by the flow following unit, so that the power generation unit rotates on the box body.
2. The flow-chasing power generation system of claim 1, wherein the planetary speed-increasing assembly comprises an input shaft, a propeller for driving the input shaft to rotate is mounted on the input shaft, a face gear is arranged on the input shaft and is in transmission connection with an output shaft, the output shaft is in transmission connection with a planetary gear assembly through an inner ring of a second crossed roller bearing, the planetary gear assembly outputs power to a generator, and an outer ring of the second crossed roller bearing is fixedly connected to the mounting flange.
3. The flow-chasing power generation system of claim 2, wherein the planetary gear assembly comprises a primary planetary gear, a primary planet carrier of the primary planetary gear is connected with an inner ring of the second crossed roller bearing, the primary planet carrier outputs power to the generator through the first sun gear through a primary positioning pin and a primary planet gear, the primary planet gear is meshed with an inner gear ring, and the inner gear ring is fixed on the box body.
4. The flow-chasing power generation system of claim 2, wherein the planetary gear assembly includes a primary planetary gear and a secondary planetary gear, the primary planet carrier of the primary planetary gear is connected with the inner ring of the second crossed roller bearing, the primary planet carrier passes power through a first sun gear through a primary positioning pin and a primary planet gear, the primary planet gear is meshed with an inner gear ring, the inner gear ring is fixed on the box body, the first sun gear is connected with the secondary planet carrier, the secondary planet carrier passes power through a secondary sun gear through a secondary positioning pin and a secondary planet gear, the secondary sun gear is output to the generator, and the secondary planet gear is meshed with the inner gear ring.
5. The flow-chasing power generation system of claim 3 or 4, wherein the hollow rotary platform comprises a servo motor for inputting power, the servo motor is connected with a rotary input shaft, the rotary input shaft is engaged with an outer gear ring on an outer ring of the first crossed roller bearing, and the servo motor inputs power to drive the outer ring of the first crossed roller bearing to rotate through the rotary input shaft so that the outer ring of the first crossed roller bearing, the mounting flange, the inner gear ring and the box body rotate simultaneously.
6. The current chasing power generation system of claim 5, wherein the outer gear ring is fixedly connected to or integrally formed with the outer race of the first cross roller bearing.
7. The current-chasing power generation system of claim 6, wherein the lower end of the mounting flange is provided with a rear flange, the upper end of the box body is provided with a connecting flange, the rear flange is provided with a positioning pin, and the positioning pin sequentially penetrates through the rear flange, the inner gear ring and the connecting flange to be connected with the outer ring of the second crossed roller bearing.
8. The flow-chasing power generation system of claim 7, wherein the flow-chasing power generation system is installed on a ship body, the flow-chasing unit and the power generation unit extend into water, the propeller rotates under the driving of water flow to enable the power generation unit to generate power, and the flow-chasing unit drives the power generation unit to rotate to a direction corresponding to the water flow according to the flow direction of the water flow.
9. The flow-chasing power generation system of claim 8, wherein a water flow sensor is further mounted on the flow-chasing unit, the water flow sensor detects the flow direction of water flow and sends a signal to a controller, and the controller is connected with the flow-chasing unit and controls the flow-chasing unit to work through the signal of the water flow sensor.
10. The flow-chasing power generation system of claim 9, wherein a first oil seal is provided between the housing and the outer race of the first cross roller bearing, and a second oil seal is provided between the housing and the input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322835.8A CN111120184A (en) | 2019-12-20 | 2019-12-20 | Follow current power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322835.8A CN111120184A (en) | 2019-12-20 | 2019-12-20 | Follow current power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111120184A true CN111120184A (en) | 2020-05-08 |
Family
ID=70500474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911322835.8A Pending CN111120184A (en) | 2019-12-20 | 2019-12-20 | Follow current power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111120184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713707A (en) * | 2020-12-08 | 2021-04-27 | 上海大学 | Rotation type miniature underwater generator based on magnetic flux density sudden change |
-
2019
- 2019-12-20 CN CN201911322835.8A patent/CN111120184A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713707A (en) * | 2020-12-08 | 2021-04-27 | 上海大学 | Rotation type miniature underwater generator based on magnetic flux density sudden change |
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