CN203670086U - Water kinetic energy converting device - Google Patents

Water kinetic energy converting device Download PDF

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Publication number
CN203670086U
CN203670086U CN201420047764.1U CN201420047764U CN203670086U CN 203670086 U CN203670086 U CN 203670086U CN 201420047764 U CN201420047764 U CN 201420047764U CN 203670086 U CN203670086 U CN 203670086U
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CN
China
Prior art keywords
kinetic energy
water
rotary part
cone
spiral groove
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Expired - Fee Related
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CN201420047764.1U
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Chinese (zh)
Inventor
马智杰
赵云
鲁仕宝
汪群
袁旭音
查同刚
陈英义
张承明
黄丽华
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China Institute of Water Resources and Hydropower Research
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China Institute of Water Resources and Hydropower Research
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Priority to CN201420047764.1U priority Critical patent/CN203670086U/en
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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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  • Hydraulic Turbines (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The utility model relates to the mechanical field of energy converting, in particular to a water kinetic energy converting device. The water kinetic energy converting device comprises a spiral turbine motor, a power generator and a base. The spiral turbine motor comprises a rotation portion which is a cone. A spiral groove is formed in the cone, and the bottom of the cone is connected with a rotary shaft of the power generator. The power generator is arranged on the base. By arranging the rotation portion into the cone and arranging the spiral groove in the cone, when water passes through the spiral groove, the water pushes the rotation portion of the cone to rotate, and water kinetic energy is converted into rotation kinetic energy, the power generator is connected onto the rotation portion, and the rotation kinetic energy is converted into electrical energy to be output. By replacing blades with the spiral groove in the rotation portion, aquatic animals like fish entering the device along with a pipe are prevented from being killed by the blades during rotation, the size is reduced, the purpose that floor is not covered, water is not taken and flow is not stopped is achieved, and operation and maintaining cost is reduced.

Description

A kind of water kinetic energy reforming unit
Technical field
The utility model relates to Conversion of Energy mechanical field, in particular to a kind of water kinetic energy reforming unit.
Background technique
Small power station is internationally recognized green regenerative energy sources, and its principle is, by water turbine, water can be converted into mechanical energy, then drives generator that mechanical energy is converted into electric energy.
For water can be converted to electric energy, need to build a series of buildings, comprise water retaining structure, outlet structure escape works, diversion system and power plant building, the electromechanical equipments such as water turbine, generator and accessory are installed in power plant building, formed a whole set of hydroelectric generator system.Hydroelectric power has had the history of upper a century abroad, although domestic starting a little later, development rapidly.Up to now, approximately there are 21000 small hydropower stations in European Union in operation, and more than 90% power source of Norway is in small power station, and approximately there are 30000 small hydropower stations in the U.S. in operation, approximately there are 40000 small hydropower stations in China in operation, and huge contribution has been made in the development that small power station is human society.
The kind of water turbine is a lot, has impact type, impact, and impact comprises again mixed-flow, diagonal flow type, axial flow and tubular, but no matter adopt which kind of form, for water can be changed into mechanical energy, need to build dam, diversion system, small power station is all over the world not always the case.In the construction and running in water power plant, can to periphery ecotope, resident, hydrobiose particularly the existence of fish serve adverse effect with procreation band.These impacts are mainly manifested in, water retaining structure, outlet structure escape works, diversion system and power plant building all need while construction to take up an area and immigrant, water turbine is all provided with blade in addition, blade is all killed the aquatic animals such as the fish that enter along with pipeline when rotated, likely can cause river Mesichthyes race's extinction, affect the ecological balance in river.
Model utility content
The purpose of this utility model is to provide a kind of water kinetic energy reforming unit, to solve the above problems.
A kind of water kinetic energy reforming unit is provided in embodiment of the present utility model, has comprised helical turbo machine, generator and base;
Helical turbo machine comprises rotary part;
Rotary part is cone, is provided with spiral chute on cone, and cone bottom is connected with generator rotor shafts;
Generator is arranged on base;
On base, be provided with for the fixing fixed hole in the external world.
Further, rotary part is connected by bearing with motor shaft.
Further, spiral chute is archimedean spiral groove.
Further, helical turbo machine also comprises Archimedian screw plate; Archimedian screw plate is arranged on a side at the interior top away from rotary part of archimedean spiral groove, gapped near a side at the top of rotary part with archimedean spiral groove, Archimedian screw plate exceeds archimedean spiral groove away from a side of archimedean spiral groove bottom.
Further, Archimedian screw plate is 4cm-10cm away from a side to the Archimedian screw plate of archimedean spiral groove bottom near the distance of a side of archimedean spiral groove bottom.
Further, in helical turbo machine, be provided with direction sensor, for adjusting the angle of helical turbine axis direction and water (flow) direction.
Further, helical turbo machine also comprises joint; Joint is cylindrical body, and its one end is fixedly connected with rotary part, and the other end connects the motor shaft of generator.
Further, water kinetic energy reforming unit also comprises control device; Control device is arranged on generator one end away from helical turbo machine.
Further, the drift angle of the circular cone of rotary part is 30 °.
Further, the height of the circular cone of rotary part is 80cm-3000cm.
Further, spiral fluted broadband is 2cm-10cm.
The utility model water kinetic energy reforming unit, rotary part is set to cone, on cone, be provided with spiral chute, water from spiral chute by time promote cone shape rotary part rotate, thereby water can be converted to rotation function, on rotary part, connect generator, then rotation function is converted to electric energy output.On rotary part, use spiral chute to replace blade, thoroughly solve the situation that blade is all killed the aquatic animals such as the fish that enter along with pipeline when rotated, and reduced volume, do not realized and taken up an area, do not fetch water, continue to flow, reduced operation and maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is mode of executions more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model embodiment water kinetic energy reforming unit structural representation;
Water kinetic energy reforming unit bearing connection diagram that Fig. 2 has been described in the utility model.
Wherein, 1: rotary part; 2: joint; 3: generator; 4: control device; 5: base; 6: Archimedian screw plate; 7: archimedean spiral groove; 8: motor shaft; 9: bearing.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, will the technical solution of the utility model be carried out to clear, complete description below.Obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, all other embodiments that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of water kinetic energy reforming unit, and it comprises helical turbo machine, generator 3 and base 5;
Helical turbo machine comprises rotary part 1;
Rotary part 1 is cone, is provided with spiral chute on cone, and cone bottom is connected with generator 3 rotatingshafts;
Generator 3 is arranged on base 5;
On base 5, be provided with for the fixing fixed hole in the external world.
Rotary part is connected by bearing 9 with described motor shaft 8.
Water kinetic energy reforming unit of the present utility model is passed through to base 5 fixed placement in water, by parallel with water (flow) direction the axis of helical turbo machine placement.During through spiral chute on helical turbo machine, can run into the resistance that helical turbo machine gives at current, in the time that current overcome drag stream and cross spiral chute, can form impact force to helical turbo machine, thereby drive helical turbo machine to rotate.Because helical turbo machine bottom is fixedly connected with the motor shaft 8 of generator 3, in the time that helical turbo machine rotates, can rotate by drive motor axle 8, thereby drive generator 3 to generate electricity.
When the end of motor shaft 8 is directly connected with helical turbo machine, due to the rotation of helical turbo machine, can produce very large torsion to motor shaft 8, therefore, 2 of the joints of motor shaft 8 and helical turbo machine are not in end, can reduce like this torsion, but motor shaft 8 ends are directly put in to the words in cone, end is not fixed to control, can easily vibrate, thereby device is caused to damage, therefore be that tapered roller bearing links together in motor shaft 8 ends and helical turbine interior by bearing 9, so neither affect its rotation between the two, can prevent that again motor shaft 8 from producing vibration, protect device.
Further, spiral chute is archimedean spiral groove 7.
Archimedes spiral, also claims " constant velocity spiral ".When any along moving ray with etc. speed when moving, this ray rotates around central point with constant angular velocity again, the track of this point is called " Archimedes spiral ".
That is to say, when spiral chute is set as archimedean spiral groove 7, current are interior when mobile at archimedean spiral groove 7, angular velocity when linear velocity when its speed of advancing, rotation and rotation etc. all equates, can make like this water flow energy reach maximum utilization ratio, just equal to have improved generating efficiency simultaneously.
Further, helical turbo machine also comprises Archimedian screw plate 6; Archimedian screw plate 6 is arranged on a side at the interior top away from rotary part 1 of archimedean spiral groove 7, gapped near a side at the top of rotary part 1 with archimedean spiral groove 7, Archimedian screw plate 6 exceeds archimedean spiral groove 7 away from a side of archimedean spiral groove 7 bottoms.
Archimedian screw plate 6 is set on helical turbo machine, Archimedian screw plate 6 is arranged in archimedean spiral groove 7, so just be equivalent to archimedean spiral groove 7 to carry out expansion, current both can be by having been stopped by the cell wall of archimedean spiral groove 7 in groove, can also be stopped by Archimedian screw plate 6, increase the resistance of current, thereby driven the rotational velocity of helical turbo machine, improved generating efficiency.
Further, Archimedian screw plate 6 is 4cm-10cm away from a side to the Archimedian screw plate of archimedean spiral groove bottom near the distance of a side of archimedean spiral groove bottom.
Archimedian screw plate 6 is away from a side of archimedean spiral groove bottom to the distance of Archimedian screw plate near a side of archimedean spiral groove bottom, and the width of Archimedian screw plate is too large or too littlely all can impact this device.If too large, will form blade, environment is around impacted, as when rotated near the aquatic animals such as fish all killed, cause river Mesichthyes race's minimizing, have a strong impact on the ecological balance in river; If too little, just do not have the effect of acceleration, therefore, after repetition test, the width that draws Archimedian screw plate 6 is the best in the time of 4cm-10cm.
Further, in helical turbo machine, be provided with direction sensor, for adjusting the angle of helical turbine axis direction and water (flow) direction.
This device not only can use at flow direction and throughout the year in constant river, in the ocean that can also often change at flow direction, use.In helical turbo machine, be provided with after direction sensor, after water (flow) direction changes, direction sensor control helical turbo machine is adjusted direction, makes its axial direction parallel with water (flow) direction, thereby makes this device can continue its effect of high efficiency performance.
Further, helical turbo machine also comprises joint 2; Joint 2 is cylindrical body, and its one end is fixedly connected with rotary part 1, and the other end connects the motor shaft 8 of generator 3.
Direction sensor is arranged on rotary part 1 when interior, may exist and fail to lay down or affect the situation appearance that rotary part 1 rotates, therefore joint 2 can also be set on helical turbo machine, one end of joint 2 is fixedly installed on rotary part 1 bottom, be the bottom of cone, the other end is fixedly installed on the motor shaft 8 of generator 3.
Further, water kinetic energy reforming unit also comprises control device 4; Control device 4 is arranged on generator 3 one end away from helical turbo machine.
By control system, the control of many water kinetic energy reforming unit clusters can be got up.Can Parallel Control, realization takes turns starting, and when the water yield of which position is larger, starts the water kinetic energy reforming unit of which position; The control of can connecting, many water kinetic energy reforming units of opening and closing simultaneously, do not need the independent management of, easy to operate simple.
Further, the drift angle of the circular cone of rotary part 1 is 30 °.
When the drift angle of rotary part 1 is too large, water resistance is large, in the time that the flow velocity of current is slow, is difficult for driven rotary portion 1 and rotates; Too hour, water resistance is little for the drift angle of rotary part 1, and current are difficult for equally driven rotary portion 1 and rotate.Therefore, after repetition test, when the drift angle that draws the circular cone of rotary part 1 is 30 °, be, best angle.
Further, the height of the circular cone of rotary part 1 is 80cm-3000cm.
The height of the circular cone of rotary part 1 is selected identical with the principle of angle Selection, and when the height of the circular cone of rotary part 1 is too large, water resistance is large, in the time that the flow velocity of current is slow, is difficult for driven rotary portion 1 and rotates; Too hour, water resistance is little for the height of the circular cone of rotary part 1, and current are difficult for equally driven rotary portion 1 and rotate.Therefore, after repetition test, when the height that draws the circular cone of rotary part 1 is 80cm-3000cm, be, optimum height.
Further, spiral fluted broadband is 2cm-10cm.
In the time that spiral fluted width is too large, current directly pass through in spiral chute, and its water resistance running into is less, does not just become the impact force to helical turbo machine, just cannot drive helical turbo machine to rotate; When spiral fluted width too hour, the flow that current pass through in spiral chute is less, in the case of the flow velocity of current is little, also can be smaller to the impact force of helical turbo machine, cannot drive helical turbo machine to rotate.
The utility model has improved the mentality of designing of traditional hydraulic turbine generator, creationary utilization Archimedes spiral is designed cone type turbo machine, utilize the kinetic energy of water, directly drive cone type turbine operation by current, drive direct current or the AC motor generating of its rear end by transmission device, according to the variation of flow velocity, power can reach 0.5～300KW, can make full use of various hydraulic power potentialss, not only can not change original ecotope, more can not produce threat to fish and other hydrobioses, very friendly to the ecotope of periphery, solve the contradictory problems of Development of Small Hydropower and ecological environmental protection, make to build small hydropower station in a lot of rural areas and become possibility.This model utility is less demanding to hydraulic power potentials, is applicable to various rural rivers, feed ditch, diversion tunnel, power plant tail water, coastal waters.Easy for installation, both can be directly installed in water body, also can be arranged on pontoon, maintenance cost is low.Standardization unit, has reduced the prospective design work in early stage, in the place that meets flow rate of water flow requirement, just loads onto and can use.Although single unit capacity is less, can use by multimachine series, parallel, very flexible, therefore have broad application prospects in rural area.
The utility model water kinetic energy reforming unit, rotary part 1 is set to cone, on cone, be provided with spiral chute, water from spiral chute by time promote cone shape rotary part 1 rotate, thereby water can be converted to rotation function, on rotary part 1, connect generator 3, then rotation function is converted to electric energy output.On rotary part 1, use spiral chute to replace blade, reduced volume, do not realized and taken up an area, do not fetch water, continue to flow, reduced maintenance cost.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. a water kinetic energy reforming unit, is characterized in that, comprises helical turbo machine, generator and base;
Described helical turbo machine comprises rotary part;
Described rotary part is cone, on described cone, is provided with spiral chute, and the bottom of described cone is connected with the rotatingshaft of described generator;
Described generator is arranged on described base;
On described base, be provided with for the fixing fixed hole in the external world.
2. water kinetic energy reforming unit according to claim 1, is characterized in that, described rotary part is connected by bearing with the motor shaft of described generator.
3. water kinetic energy reforming unit according to claim 1, is characterized in that, described spiral chute is archimedean spiral groove.
4. water kinetic energy reforming unit according to claim 3, is characterized in that, described helical turbo machine also comprises Archimedian screw plate; Described Archimedian screw plate is arranged on a side at the interior top away from described rotary part of described archimedean spiral groove, gapped near a side at the top of described rotary part with described archimedean spiral groove, described Archimedian screw plate exceeds described archimedean spiral groove away from a side of described archimedean spiral groove bottom.
5. water kinetic energy reforming unit according to claim 4, it is characterized in that, described Archimedian screw plate is 4cm-10cm away from a side to the described Archimedian screw plate of described archimedean spiral groove bottom near the distance of a side of described archimedean spiral groove bottom.
6. water kinetic energy reforming unit according to claim 1, is characterized in that, in described helical turbo machine, is provided with direction sensor, for adjusting the angle of described helical turbine axis direction and water (flow) direction.
7. water kinetic energy reforming unit according to claim 1, is characterized in that, described helical turbo machine also comprises joint; Described joint is cylindrical body, and its one end is fixedly connected with described rotary part, and the other end connects the motor shaft of described generator.
8. water kinetic energy reforming unit according to claim 1, is characterized in that, also comprises control device, and described control device is arranged on described generator one end away from described helical turbo machine.
9. water kinetic energy reforming unit according to claim 1, is characterized in that, the drift angle of the circular cone of described rotary part is 30 °;
And/or,
The height of the circular cone of described rotary part is 80cm-3000cm.
10. according to the water kinetic energy reforming unit described in claim 1-9 any one, it is characterized in that, described spiral fluted width is 2cm-10cm.
CN201420047764.1U 2014-01-24 2014-01-24 Water kinetic energy converting device Expired - Fee Related CN203670086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420047764.1U CN203670086U (en) 2014-01-24 2014-01-24 Water kinetic energy converting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420047764.1U CN203670086U (en) 2014-01-24 2014-01-24 Water kinetic energy converting device

Publications (1)

Publication Number Publication Date
CN203670086U true CN203670086U (en) 2014-06-25

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ID=50966393

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420047764.1U Expired - Fee Related CN203670086U (en) 2014-01-24 2014-01-24 Water kinetic energy converting device

Country Status (1)

Country Link
CN (1) CN203670086U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140625

Termination date: 20190124