CN108691721B - Low-drop buoyancy power generation device - Google Patents
Low-drop buoyancy power generation device Download PDFInfo
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- CN108691721B CN108691721B CN201810975643.6A CN201810975643A CN108691721B CN 108691721 B CN108691721 B CN 108691721B CN 201810975643 A CN201810975643 A CN 201810975643A CN 108691721 B CN108691721 B CN 108691721B
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- Prior art keywords
- output device
- kinetic energy
- buoyancy
- roller
- energy output
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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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- 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
- F03B3/14—Rotors having adjustable blades
- F03B3/145—Mechanisms for adjusting the blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
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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 low-drop-difference buoyancy power generation device which comprises a roller main shaft, blades, a buoyancy roller, a power generator, a support framework, a kinetic energy output device and a power distribution and energy storage device, wherein two ends of the roller main shaft are connected with a traction steel cable, one end of the roller main shaft penetrates through the kinetic energy output device, the kinetic energy output device is installed in the middle of one end of the support framework, the support framework is connected with the buoyancy roller, the power generator is connected with the kinetic energy output device through a connecting shaft, the power generator is electrically connected with the power distribution and energy storage device, the power distribution and energy storage device is arranged in the support framework, and the. The invention has the beneficial effects that: the potential energy can be used for generating power at the beaches of the river channels where large dam hydropower stations are not easy to build, complex fixed building facilities are not needed, the installation is rapid, the maintenance is low, the safety and the reliability are high, the cost is low, the continuous power generation is stable, and the supplement of clean renewable energy is realized; the water flow energy is directly utilized for water lifting irrigation, the advantages of low rotating speed and large torque water lifting are fully utilized, and the energy loss is reduced.
Description
Technical Field
The invention relates to natural force power generation equipment, in particular to a low-drop-difference buoyancy power generation device which directly utilizes running water potential energy to generate power and directly utilizes kinetic energy to lift water to irrigate.
Background
Hydroelectric power generation is a process of converting potential energy of rivers, lakes and the like at a high position into kinetic energy of a water turbine by utilizing the water flow with potential energy to a low position, then using the water turbine as motive power to push a generator to generate electric energy, and using the water power to push a hydraulic machine to rotate so as to convert the water energy into mechanical energy.
China has abundant river channel resources, but a large number of river channel beaches are not easy to build a large dam hydropower station, secondly, the current hydroelectric power generation adopts high-fall potential energy to generate power, a large number of natural river channels do not meet the condition of high fall, and finally, the modern agricultural irrigation generally pumps water from the river channels to irrigate, generally pumps water through a common water pump to irrigate, consumes a large amount of electric energy, and secondly, the irrigation of crops can also have the situation that the irrigation cannot be met in dry seasons.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a low-drop-difference buoyancy power generation device which is suitable for riverway beaches which are difficult to build large-scale dam hydropower stations, directly utilizes running water potential energy to generate power and utilizes running water kinetic energy to lift water for irrigation.
The purpose of the invention is realized by the following technical scheme: the utility model provides a low-drop buoyancy power generation facility, includes cylinder main shaft, blade, buoyancy roller, generator, braced frame, kinetic energy output device and distribution and energy memory, cylinder main shaft both ends are connected and cylinder main shaft one end passes kinetic energy output device with drawing and hanging the steel cable, kinetic energy output device installs the intermediate position in braced frame one end, braced frame is connected with the buoyancy roller, the generator passes through the connecting axle and is connected with kinetic energy output device, the generator is connected with distribution and energy memory electricity, distribution and energy memory arrange in braced frame, the blade is connected with the buoyancy roller.
Preferably, the magnetic power generator further comprises a transmission, wherein the transmission is connected with the generator through a connecting shaft, and the generator is a high-magnetism generator.
Preferably, one end of the connecting shaft is connected with the kinetic energy output device through a speed change bearing, the speed change bearing is installed on the kinetic energy output device, and the kinetic energy output device is a speed change gear.
Preferably, the other end of the connecting shaft is connected with a piston pump, a water inlet pipe and a water outlet pipe of the piston pump penetrate through the roller main shaft and extend out from one end of the roller main shaft far away from the kinetic energy output device, and the number of the piston pumps can be increased or decreased according to actual conditions.
Preferably, the vanes are arranged in vane grooves of the buoyancy roller, the vanes are multiple and uniformly distributed around the buoyancy roller, and the positions of the vanes can be freely adjusted according to the power output requirement.
Preferably, the roller main shaft penetrates through two main bearings to be connected with the supporting framework, and the two main bearings are located in the centers of two ends of the supporting framework.
The invention has the following advantages:
1. the potential energy can be used for generating power at the beaches of the river channels where large dam hydropower stations are not easy to build, complex fixed building facilities are not needed, the installation is rapid, the maintenance is low, the safety and the reliability are high, the cost is low, the continuous power generation is stable, and the supplement of clean renewable energy is realized;
2. the water flow energy is directly utilized for water lifting irrigation, the advantages of low rotating speed and large torque water lifting are fully utilized, and the energy loss is reduced;
3. through the effect of receiving and releasing of blade groove to the blade, the blade can be according to power take off needs free adjustment, can withdraw because of the aquatic foreign matter extrusion, and the blade of being convenient for is collected the energy and is dodged and collide the injury.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a power plant constructed in accordance with the present invention;
FIG. 3 is a sectional view of a power plant constructed in accordance with the present invention;
FIG. 4 is a left side view of a structural power plant of the present invention;
in the figure, 1-a positioning pile, 2-a traction steel cable, 3-a roller main shaft, 4-a blade, 5-a buoyancy roller, 6-a speed changer I, 7-a generator, 8-a power distribution and energy storage device, 10-a kinetic energy output device, 11-a support framework, 12-a blade groove, 13-a main bearing, 14-underwater foreign matters, 15-a speed change bearing, 16-a piston pump and 17-a connecting shaft.
Detailed Description
To further clarify the technical measures and effects of the present invention adopted to achieve the intended advantages of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments of the present invention. In the following description, different "one embodiment" or "an embodiment" may not necessarily refer to the same embodiment, and furthermore, particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments:
as shown in fig. 1-2, a low-drop-difference buoyancy power generation device, including cylinder main shaft 3, blade 4, buoyancy roller 5, generator 7, supporting framework 11, kinetic energy output device 10 and distribution and energy storage device 8, 3 both ends of cylinder main shaft are connected with traction steel cable 2 and 3 one ends of cylinder main shaft pass kinetic energy output device 10, kinetic energy output device 10 is installed at the intermediate position of supporting framework 11 one end, supporting framework 11 is connected with buoyancy roller 5, generator 7 is connected with kinetic energy output device 10 through connecting axle 17, generator 7 is connected with distribution and energy storage device 8 electricity, distribution and energy storage device 8 are arranged in supporting framework, blade 4 is connected with buoyancy roller 5.
Through the mode, the working mode of the device can be switched by the power distribution system in the power distribution and energy storage device 8, and the power distribution and energy storage system in the energy storage device 8 can realize small-scale short-time power supply and self regulation and control power utilization as an emergency power supply.
As an alternative embodiment, the device further comprises a transmission 6, wherein the transmission 6 is connected with a generator 7 through a connecting shaft, and the generator 7 is a high-magnetism generator 7.
Through the mode, as the generator 7 needs a certain generating speed for generating electricity, the transmission 6 changes the low speed collected by the blades 4 into a higher generating matching speed, so that the generating efficiency is improved conveniently.
In an alternative embodiment, one end of the connecting shaft 17 is connected with the kinetic energy output device 10 through a speed change bearing 15, the speed change bearing 15 is mounted on the kinetic energy output device 10, and the kinetic energy output device 10 is a speed change gear.
In this way, the speed change bearing 15 and the kinetic energy output device 10 can convert the low rotating speed collected by the blades 4 into a higher rotating speed, when the flow rate of water is too small, the rotating speed required by the power generation of the generator 7 can be difficult to reach only by means of speed increase of the speed changer 6, so that in order to enable the device to meet different use conditions, the speed change bearing 15 and the kinetic energy output device 10 are firstly used for carrying out primary speed increase, and then the speed change bearing 15 plays a connecting role.
Alternatively, the other end of the connecting shaft 17 is connected to a piston pump 16, the water inlet pipe and the water outlet pipe of the piston pump 16 penetrate through the roller spindle 3 and extend out from one end of the roller spindle 3 far away from the kinetic energy output device 10, and the number of the piston pumps 16 can be increased or decreased according to actual conditions.
Through the mode, the piston pump 16, the generator 7 and the speed changer 6 are connected with the same connecting shaft 17, under the condition of the ordinary water flow speed, the power generation of the generator 7 and the pumping of the piston pump 16 work in a single mode, namely the power generation of the generator 7, the piston pump 16 does not work, when the pumping of the piston pump 16 is performed, the generator 7 does not generate power and mainly adopts the power distribution and energy storage device 8 to process and switch the working mode, when the generator 7 has no load, no kinetic energy is consumed, the generator 7 does not generate power, the pumping and pumping of water can be performed by communicating the piston pump 16, if the load is added on the generator 7, the generator 7 generates power, and the piston pump 16 does not pump water; if the water flow speed is high, the buoyancy roller 5 is large, and the potential energy of the water collected by the blades 4 after being accelerated by the speed changer 6 and the kinetic energy output device 10 can simultaneously meet the power generation of the generator 7 and the pumping of the piston pump 16, the power generation of the generator 7 and the pumping of the piston pump 16 can also simultaneously work, and further, the piston pump 16 can be added to improve the pumping speed.
In an alternative embodiment, the vanes 4 are arranged in the vane grooves 12 of the buoyancy roller 5, the vanes 4 are multiple and evenly distributed around the buoyancy roller 5, and the position of the vanes 4 can be freely adjusted according to the power output requirement.
Through the mode, the whole device collects water potential energy through the blades 4, the blade grooves 12 have the function of retracting the blades 4, the blades 4 can be freely adjusted according to power output requirements, the blades can be retracted due to extrusion of foreign matters 14 in water, and the energy collection and the collision avoidance injury are facilitated.
In an alternative embodiment, the drum shaft 3 is connected to the support frame 11 through a main bearing 13, and the main bearing 3 is two pieces and is located at the center of the two ends of the support frame 11.
The specific embodiment is as follows: as shown in figure 1, a positioning pile 1 is installed on the two sides of the river course shore or the beach of water flow, a pull steel cable 2 with a certain length is installed on the positioning pile 1, the other end of the pull steel cable 2 is connected with a power generation device, under the condition of normal flow velocity, the sundries 14 in water are small and rare, more than two thirds of the buoyancy roller 5 of the power generation device are on the water surface, as shown in figure 3, in the process of water flow, the buoyancy roller 5 is driven to rotate, the potential energy of the water is collected by the blades 4 on the power generation device, the low rotating speed collected by the blades 4 is subjected to preliminary acceleration by the kinetic energy output device 10, then the rotating speed subjected to the preliminary acceleration is accelerated by the speed changer 6 to be changed into a higher power generation matching rotating speed, when a load is added on the power generator 7, a power distribution system in the power distribution and energy storage device 8 automatically closes a loop required by power generation, at the moment, the piston pump 16 does not work, when the generator 7 is not connected with a load, the power distribution and energy storage device 8 switches working modes, the generator 7 does not generate power, the piston pump 16 performs pumping irrigation, when the water flow speed is high, the buoyancy roller is large, and the potential energy of the water collected by the blades 4 can meet the power required by the generator 7 for power generation and the pumping irrigation of the piston pump 16 simultaneously after being accelerated by the kinetic energy output device 10 and the speed changer 6, so that the piston pump 16 and the kinetic energy output device can work simultaneously, and the number of the piston pumps 16 can be increased in the actual use process;
the piston pump 16 directly utilizes the power converted by the potential energy of the blade 4 to do work and lift water, the advantage of low-rotating-speed and high-torque water lifting is fully utilized, the energy loss is reduced, water pumped out by the piston pump 16 flows into the reservoir and then irrigates, the water in the reservoir can be used in dry seasons, and the energy conversion loss is effectively avoided by carrying out the lift irrigation in the mode, because if the mechanical energy is converted into the electric energy, then the lift irrigation is carried out by converting the electric energy into the mechanical energy, the conversion efficiency utilization rate is less than 30%;
when in flood season, the water level in the river channel rises, the flow velocity is increased, the buoyancy roller 5 can freely move up and down along with the water level under the action of buoyancy, and as the blades 4 can be retracted and extended along the blade grooves 12, the blades 4 can be automatically adjusted, so that the pressure can be effectively and stably released, the potential energy can be reduced, and the whole device can also normally operate; as shown in fig. 4, when the volume of the underwater foreign matter 14 is too large, the underwater foreign matter 14 and the power generation device do not generate a frontal collision, because more than two thirds of the power generation device are above the water surface, 1470% of the volume of the underwater foreign matter is below the water surface, and the two foreign matters are always in a side collision state, and the movement direction of the power generation device and the position relation between the power generation device and the water surface, once the power generation device and the underwater foreign matter 14 meet, a roller coaster type movement is naturally formed, the underwater foreign matter 14 faces downwards, the power generation device freely passes upwards, and the blades 4 of the power generation device are provided with an automatic anti-collision recovery design, so that the collision damage can be effectively buffered and weakened, and the whole.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (4)
1. A low-drop buoyancy power generation device is characterized in that: the device comprises a roller main shaft (3), blades (4), a buoyancy roller (5), a generator (7), a supporting framework (11), a kinetic energy output device (10) and a power distribution and energy storage device (8), wherein the two ends of the roller main shaft (3) are connected with a traction steel cable (2), one end of the roller main shaft (3) penetrates through the kinetic energy output device (10), the kinetic energy output device (10) is installed at the middle position of one end of the supporting framework (11), the supporting framework (11) is connected with the buoyancy roller (5), the generator (7) is connected with the kinetic energy output device (10) through a connecting shaft (17), the generator (7) is electrically connected with the power distribution and energy storage device (8), the power distribution and energy storage device (8) is arranged in the supporting framework, and the blades (4) are connected with the buoyancy roller (5); the blades (4) are arranged in blade grooves (12) of the buoyancy roller (5), a plurality of blades (4) are uniformly distributed on the periphery of the buoyancy roller (5), and the positions of the blades (4) can be freely adjusted according to the power output requirement; two thirds of the volume of the buoyancy roller (5) is positioned above the water surface when in the working state; the drum type kinetic energy output device is characterized by further comprising a piston pump (16), the other end of the connecting shaft (17) is connected with the piston pump (16), a water inlet pipe and a water outlet pipe of the piston pump (16) penetrate through the drum main shaft (3) and extend out of one end, far away from the drum main shaft (3) of the kinetic energy output device (10), of the drum type kinetic energy output device, and the number of the piston pumps (16) can be increased or decreased according to actual conditions.
2. A low-drop-buoyancy power plant according to claim 1, wherein: the magnetic power generator further comprises a speed changer (6), wherein the speed changer (6) is connected with a power generator (7) through a connecting shaft, and the power generator (7) is a high-magnetism power generator (7).
3. A low-drop-buoyancy power plant according to claim 1, wherein: one end of the connecting shaft (17) is connected with the kinetic energy output device (10) through a speed change bearing (15), the speed change bearing (15) is installed on the kinetic energy output device (10), and the kinetic energy output device (10) is a speed change gear.
4. A low-drop-buoyancy power plant according to claim 1, wherein: the roller main shaft (3) penetrates through a main bearing (13) to be connected with the supporting framework (11), and the main bearing (13) is provided with two parts and is positioned at the centers of two ends of the supporting framework (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975643.6A CN108691721B (en) | 2018-08-24 | 2018-08-24 | Low-drop buoyancy power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975643.6A CN108691721B (en) | 2018-08-24 | 2018-08-24 | Low-drop buoyancy power generation device |
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| Publication Number | Publication Date |
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| CN108691721A CN108691721A (en) | 2018-10-23 |
| CN108691721B true CN108691721B (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810975643.6A Active CN108691721B (en) | 2018-08-24 | 2018-08-24 | Low-drop buoyancy power generation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112814822A (en) * | 2020-12-31 | 2021-05-18 | 潍坊新力蒙水产技术有限公司 | Soft suspension water stirring type waterwheel power generation device |
| CN112761863B (en) * | 2020-12-31 | 2023-03-21 | 潍坊新力蒙水产技术有限公司 | Single-cylinder hydroelectric device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763365A (en) * | 2004-10-24 | 2006-04-26 | 何沛佳 | Drum type hydroturbine with pumping and electricity generating functions |
| CN101144457A (en) * | 2007-08-08 | 2008-03-19 | 荣光胜 | Non-drop height level power generating method and device |
| CN103088797A (en) * | 2011-11-03 | 2013-05-08 | 李耀中 | Device and method for generating electricity by using river water |
| CN203548069U (en) * | 2013-11-26 | 2014-04-16 | 平顶山市再创农业科技服务有限公司 | Wind power pumping irrigation machine |
| CN203925870U (en) * | 2014-06-17 | 2014-11-05 | 潘正朝 | Low head hydropower generating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9611832B2 (en) * | 2011-03-30 | 2017-04-04 | Shandong Boxing Yuandao Energy Technology Co., Ltd. | Water flow power generation apparatus |
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2018
- 2018-08-24 CN CN201810975643.6A patent/CN108691721B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1763365A (en) * | 2004-10-24 | 2006-04-26 | 何沛佳 | Drum type hydroturbine with pumping and electricity generating functions |
| CN101144457A (en) * | 2007-08-08 | 2008-03-19 | 荣光胜 | Non-drop height level power generating method and device |
| CN103088797A (en) * | 2011-11-03 | 2013-05-08 | 李耀中 | Device and method for generating electricity by using river water |
| CN203548069U (en) * | 2013-11-26 | 2014-04-16 | 平顶山市再创农业科技服务有限公司 | Wind power pumping irrigation machine |
| CN203925870U (en) * | 2014-06-17 | 2014-11-05 | 潘正朝 | Low head hydropower generating device |
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