CN115492709A - Cylindrical paddle and hydroelectric generation device - Google Patents
Cylindrical paddle and hydroelectric generation device Download PDFInfo
- Publication number
- CN115492709A CN115492709A CN202211215102.6A CN202211215102A CN115492709A CN 115492709 A CN115492709 A CN 115492709A CN 202211215102 A CN202211215102 A CN 202211215102A CN 115492709 A CN115492709 A CN 115492709A
- Authority
- CN
- China
- Prior art keywords
- paddle
- cylindrical
- water
- water passing
- power generation
- 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
Links
Images
Classifications
-
- 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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
-
- 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
-
- 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
- F03B11/02—Casings
-
- 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
-
- 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
Cylindricality oar and hydroelectric generation device, cylindricality oar includes: the size of the axial direction of the paddle body is larger than the size of the radial direction of the paddle body, a plurality of water passing grooves which are arranged at intervals along the circumferential direction are formed in the peripheral wall of the paddle body, and the water passing grooves extend along the direction parallel to the axis of the cylindrical paddle; and the driving shaft is connected with the paddle body and is arranged along the axial direction of the paddle body. The cylindrical paddle adopts the cylindrical paddle body, the water passing groove is arranged on the peripheral wall of the paddle body, and the cylindrical paddle is arranged close to the water bottom, so that when flowing water flows through the cylindrical paddle, the flowing water flows into the water passing groove and generates acting force to drive the central paddle to rotate so as to drive the hydroelectric generation device to operate and generate power, the axial length of the cylindrical paddle is greater than the radial size of the cylindrical paddle, the force bearing surface of the cylindrical paddle is increased by the water passing groove arranged on the cylindrical paddle, and the cylindrical paddle can be applied to medium and small power generation occasions with unpleasant water flow, small fall and low water level.
Description
Technical Field
The invention belongs to the technical field of hydroelectric power generation, and particularly relates to a cylindrical paddle and a hydroelectric power generation device.
Background
The hydroelectric power generation is that the water flow with potential energy in river, lake, etc. at high position is used to flow to low position to convert the potential energy into the kinetic energy of water turbine, and the water turbine is used as motive power to drive the power generator to generate electric energy. The traditional hydroelectric generation facilities drive a generating motor to generate power by a mode of enabling running water to flow through blades, so that the current hydroelectric generation facilities are not suitable for medium and small power generation occasions with low flow rate, small fall and low running water level due to the fact that enough water flow speed, flow and high water level are required in the power generation process.
Disclosure of Invention
The invention aims to provide a cylindrical paddle and a hydroelectric generation device which can be applied to medium and small power generation occasions with low flow speed and small fall.
In order to achieve the purpose, the invention adopts the following technical solutions:
a cylindrical paddle, comprising: the axial size of the paddle body is larger than the radial size of the paddle body, a plurality of water passing grooves which are circumferentially arranged at intervals are formed in the peripheral wall of the paddle body, and the water passing grooves extend in the direction parallel to the axis of the cylindrical paddle; and the driving shaft is connected with the paddle body and is arranged along the axial direction of the paddle body.
According to the technical scheme, the cylindrical paddle body is adopted, the water passing groove is formed in the peripheral wall of the paddle body, the cylindrical paddle body is installed close to the water bottom, when flowing water flows through the cylindrical paddle, the flowing water flows into the water passing groove and generates acting force to drive the central paddle to rotate, the hydroelectric power generation device is driven to generate power, the axial length of the cylindrical paddle is larger than the radial size of the cylindrical paddle, and the water passing groove formed in the cylindrical paddle body increases the stress surface of the cylindrical paddle, so that the requirement on the structural strength of materials of the paddle body is greatly lowered, light materials can be used, the weight and the cost are reduced, the paddle body can be suitable for flowing water with low flow speed, small fall and low water level, and the application of the paddle body to power generation occasions with medium and small power is achieved.
As with the cylindrical paddle described above, optionally, the drive shaft extends through the paddle body along the axis of the paddle body.
According to the cylindrical paddle, optionally, the cross section of the water passing groove is arc-shaped, a first edge of a notch of the water passing groove is located on the peripheral wall of the paddle body, and a second edge of the notch of the water passing groove is connected with the peripheral wall of the paddle body through an arc-shaped surface.
In the cylindrical paddle, optionally, the arc-shaped surface is tangentially connected with the peripheral wall of the paddle body.
According to the cylindrical paddle, optionally, the water passing groove and the cylindrical paddle are equal in length, and two ends of the water passing groove are closed.
The arc-shaped water passing groove increases the stress area, so that the flowing water can drive the cylindrical paddle to rotate more efficiently. Moreover, in some embodiments, the water passing groove is connected with the outer peripheral wall of the paddle body through the arc-shaped surface, so that the blocking of water flow can be reduced, and the flowing water can be effectively guided into the water passing groove.
As mentioned above, the water passing grooves are arranged at equal intervals along the circumferential direction.
The water passing grooves are uniformly arranged at intervals along the circumferential direction, so that the stress is more uniform, and the cylindrical paddles can be driven to rotate more stably by water flow.
The cylindrical paddle as described above, optionally, further comprising a bracket for supporting the cylindrical paddle, the drive shaft being coupled to the bracket by a bearing.
The present invention also provides a hydroelectric power generating apparatus comprising: the cylindrical paddle is installed in water flow and can rotate around the axis of the cylindrical paddle, and the driving shaft drives the power generation motor to operate.
The hydroelectric generation device drives the cylindrical paddles to rotate through flowing water to drive the power generation motor to generate power, so that the hydroelectric generation device is suitable for generating power with medium and small power through flowing water with small fall and water level bottom, and in some regions with sufficient rainwater, the collected rainwater can be utilized to drive the cylindrical paddles to rotate when the rainwater is discharged to generate power.
The hydraulic power generating device as described above optionally further comprises a speed changing device, wherein the driving shaft is in transmission connection with an input end of the speed changing device, and an output end of the speed changing device is in transmission connection with an input end of the power generating motor.
Through setting up speed change gear, drive shaft and speed change gear transmission are connected, and speed change gear is connected with the transmission of electricity generation motor, can realize adjusting the drive ratio of cylindricality oar and electricity generation motor according to the flowing water of different velocity of flow, different fall and water level to make hydroelectric generation device be applicable to the not fast flowing water of velocity of flow and generate electricity.
The hydraulic power generating device as described above, optionally, the hydraulic power generating device includes at least one of the cylindrical paddles, and when there are more than two of the cylindrical paddles, the driving shafts of the cylindrical paddles are connected together by a coupling.
The number of the cylindrical paddles which are assembled together can be set according to the actual application environment and conditions, the direction of the water flow can be selected for installation so as to adapt to different conditions, and the use is more flexible; and the difficulty and the cost of manufacturing, transporting and engineering installation can be reduced by adopting a sectional assembly mode.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a schematic structural view of a cylindrical paddle according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a cylindrical paddle according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a hydroelectric power generation device according to an embodiment of the present invention;
figure 4 is a schematic view of two cylindrical paddles connected together in accordance with an embodiment of the present invention.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Detailed Description
The invention will be described in detail below with reference to the accompanying drawings, wherein for the purpose of illustrating embodiments of the invention, the drawings showing the structure of the device are not to scale but are partly enlarged, and the schematic drawings are only examples, and should not be construed as limiting the scope of the invention. It is to be noted, however, that the drawings are designed in a simplified form and are not to scale, but rather are to be construed in an attempt to more clearly and concisely illustrate embodiments of the present invention. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; the terms "front," "back," "bottom," "upper," "lower," and the like refer to an orientation or positional relationship relative to an orientation or positional relationship shown in the drawings, which is for convenience and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the cylindrical paddle 1 of the present embodiment includes a cylindrical paddle body 1-1 and a drive shaft 1-2 disposed in the axial direction of the paddle body 1-1. The paddle body 1-1 of this embodiment is cylindrical, and the axial length L of the paddle body 1-1 is greater than the radial dimension R of the paddle body 1-1. The driving shaft 1-1 is used for driving a power generation motor in the hydroelectric power generation device to generate power. The drive shaft 1-2 penetrates the paddle body 1-1 along the axis of the paddle body 1-1 and is connected with the paddle body 1-1. When the oar body 1-1 rotates around the axis of the oar body, the driving shaft 1-2 is driven to rotate together. As shown in fig. 4, the driving shafts 1-2 of more than two cylindrical paddles 1 can be connected together through a coupling to rotate together to form a cylindrical paddle combination, and when the cylindrical paddles are applied to a hydroelectric power generation device, the number of the cylindrical paddles can be set according to requirements, and the combination mode can also be set according to requirements, for example, the driving shafts of two cylindrical paddles are connected together, or the driving shafts of three cylindrical paddles are connected together, or different numbers of cylindrical paddles form a group, for example, a group of two cylindrical paddles, a group of three cylindrical paddles, and the like.
The outer peripheral wall of the cylindrical paddle 1 is provided with a plurality of water passing grooves 2 which are arranged at intervals along the circumferential direction, the water passing grooves 2 are inwards sunken from the surface of the cylindrical paddle 1, and the cross section of each water passing groove 2 is arc-shaped. The water passing grooves 2 are preferably evenly spaced along the circumferential direction to facilitate even force application. The water trough 2 extends in a direction parallel to the axis of the cylindrical paddle 1, and both ends of the water trough 2 are closed, for example, by providing baffles (not shown) to close the ports at both ends of the water trough 2. The two ends of each water passing groove 2 can be independently provided with the baffle plates with the adaptive shapes to seal the ports of the water passing grooves 2, and a large baffle plate can be arranged to seal the ports of all the water passing grooves 2 at one end of one cylindrical paddle. The baffle is used for preventing water from flowing out from the port of the water passing tank 2.
The notch 2a of the water passing tank 2 has two edges: the first edge 21a is arranged on the peripheral wall of the paddle body 1-1, the second edge 21b is connected with the peripheral wall of the paddle body 1-1 through an arc-shaped surface 22, and the arc-shaped surface 22 is tangentially connected with the peripheral wall of the paddle body 1-1. When cylindricality oar 1 was fixed in the aquatic, the direction that has notch 2a and rivers of water groove 2 is relative all the time, and notch 2a is towards rivers promptly to rivers are when cylindricality oar 1, flow into in the basin 2, and the impulsive force of rivers can be pressed down through basin 2, and then drive cylindricality oar 1 and rotate. The cylindrical paddle 1 can be rotated by the impulsive force when water flows through the water tank 2 or the gravity action of water accumulated in the water tank 2, the driving shaft 1-2 is driven to rotate when the cylindrical paddle 1 rotates, and the driving shaft 1-2 drives the power generation motor of the hydroelectric power generation device to operate and generate power.
As shown in fig. 3, the invention also provides a hydroelectric power generating device, which comprises a cylindrical paddle 1, a speed changing device 3 and a power generating motor 4. The cylindrical paddle 1 is arranged in water flow through the bracket 5 and is close to the water bottom, and the driving shaft 1-2 of the cylindrical paddle 1 is arranged on the bracket 5 through a bearing, so that when the water flow flows through the cylindrical paddle 1, the cylindrical paddle 1 can rotate around the axis of the cylindrical paddle 1 under the action of the water flow. One end of the driving shaft 1-2 is in transmission connection with the input end of a speed changing device 3, the speed changing device 3 can be a gearbox, and the output end of the speed changing device 3 is in transmission connection with the input end of a power generation motor 4. When the cylindrical paddle 1 rotates, force is transmitted to the speed change device 3 through the driving shaft 1-2 and then output to the power generation motor 4 through the speed change device 3, so that the power generation motor 4 is driven to operate and generate power. The transmission ratio of the cylindrical paddle and the power generation motor can be adjusted according to flowing water with different flow speeds, different fall heights and different water levels through the speed changing device, so that the hydroelectric power generation device is used for generating power by the flowing water with unpleasant flow speed, small fall height and low water level.
The invention adopts the cylindrical paddle body, the water passing groove is arranged on the peripheral wall of the paddle body, and the cylindrical paddle is arranged close to the water bottom, so that when flowing water flows through the cylindrical paddle, the cylindrical paddle can be driven to rotate by the force acting on the water passing groove, and the invention is particularly suitable for the flowing water with unpleasant water flow, small fall and low water level. Moreover, the cylindricality oar is relative with traditional paddle structure, and oar body axial length is greater than the radial size of oar body (the size in cross-section), crosses the water trough and sets up along the axis of oar body, has increased the stress surface of cylindricality oar to the requirement greatly reduced to the material structural strength of oar body can use light-duty material, reduction weight and cost. In addition, the cylindricality structure of oar body and traditional paddle structure, when running water flows its rotation, can not carry out the fly-cutting to rivers, can reduce the biology that causes the injury to the aquatic.
The power generation device adopting the cylindrical paddle has the advantages of simple and convenient erection, environmental protection and reliability, can be used as a supplement of solar power generation and is used for a monitoring power supply in remote areas; the rainwater collecting and generating device can be used for rainwater collecting and generating in the construction of intelligent buildings and can also be used for emergency power generation under disaster conditions.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. Cylindrical oar, its characterized in that includes:
the size of the axial direction of the paddle body is larger than the size of the radial direction of the paddle body, a plurality of water passing grooves which are arranged at intervals along the circumferential direction are formed in the peripheral wall of the paddle body, and the water passing grooves extend along the direction parallel to the axis of the cylindrical paddle;
and the driving shaft is connected with the paddle body and is arranged along the axial direction of the paddle body.
2. The cylindrical paddle of claim 1, wherein: the drive shaft extends through the paddle body along an axis of the paddle body.
3. The cylindrical paddle of claim 1, wherein: the cross-sectional shape of crossing the basin is the arc, the first border of crossing the notch of basin is located the perisporium of oar body, the second border through an arcwall face with the periphery wall of oar body links to each other.
4. The cylindrical paddle of claim 3, wherein: the cambered surface with the periphery wall of oar body is tangent and is connected.
5. The cylindrical paddle of claim 1, wherein: the water passing groove and the cylindrical paddle are equal in length, and two ends of the water passing groove are sealed.
6. The cylindrical paddle of claim 1, wherein: the water passing grooves are uniformly arranged at intervals along the circumferential direction.
7. The cylindrical paddle of claim 1, wherein: the cylindrical paddle support is characterized by further comprising a support for supporting the cylindrical paddle, and the driving shaft is connected with the support through a bearing.
8. A hydro-power generation device, comprising: a power generating motor and a cylindrical paddle according to any of claims 1 to 7 mounted in a water stream and rotatable about its axis, the drive shaft driving the power generating motor to operate.
9. The hydro-power generation device of claim 8, wherein: the driving shaft is in transmission connection with the input end of the speed changing device, and the output end of the speed changing device is in transmission connection with the input end of the power generation motor.
10. The hydro-power generation device of claim 8, wherein: the hydraulic power generation device comprises at least one cylindrical paddle, and when the number of the cylindrical paddles is more than two, the driving shafts of the cylindrical paddles are connected together through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211215102.6A CN115492709A (en) | 2022-09-30 | 2022-09-30 | Cylindrical paddle and hydroelectric generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211215102.6A CN115492709A (en) | 2022-09-30 | 2022-09-30 | Cylindrical paddle and hydroelectric generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115492709A true CN115492709A (en) | 2022-12-20 |
Family
ID=84472194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211215102.6A Pending CN115492709A (en) | 2022-09-30 | 2022-09-30 | Cylindrical paddle and hydroelectric generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115492709A (en) |
-
2022
- 2022-09-30 CN CN202211215102.6A patent/CN115492709A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4960363A (en) | Fluid flow driven engine | |
| US7986054B2 (en) | Magnus force fluid flow energy harvester | |
| US9556848B2 (en) | Tidal current generating device and installation frame thereof | |
| US20100301609A1 (en) | River-Flow Electricity Generation | |
| US8492921B2 (en) | Rotary magnus energy harvester | |
| KR101263957B1 (en) | Helical Turbine | |
| JP6168269B2 (en) | Fluid machinery and fluid plant | |
| CN101149042A (en) | Loose-leaf rotary wheel | |
| EP3426913B1 (en) | An energy generating arrangement powered by tidal water and a method for providing such an arrangement | |
| CN218644395U (en) | Cylindrical paddle and hydroelectric generation device | |
| KR20040033160A (en) | Current energy power generation apparatus using impeller type water mill | |
| CN115492709A (en) | Cylindrical paddle and hydroelectric generation device | |
| RU2247859C1 (en) | Submersible free-flow microhydroelectric station | |
| CN211692697U (en) | Floating type water kinetic energy generator set | |
| CN210714916U (en) | Circulating water power station | |
| KR20140089698A (en) | Sewer tunneled hydropower | |
| RU2171912C2 (en) | Damless all-weather hydroelectric power station | |
| CN216157807U (en) | Vertical shaft type hydroelectric generation device | |
| CN112128037B (en) | Double-shaft bidirectional angle-variable cone pulley | |
| CN217462402U (en) | Module type small universal hydroelectric generator and renewable energy power generation system | |
| CN210239899U (en) | Power generation device based on fluid kinetic energy | |
| CN219953541U (en) | Flat wind generator | |
| CN217002125U (en) | Gravity-assisted vertical water turbine and water resource utilization device using same | |
| CN217002124U (en) | Horizontal water turbine and water resource utilization device using same | |
| CN109973281B (en) | Intelligent and efficient water turbine volute for hydroelectric generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |