CN202468150U - Water flow power generation device - Google Patents

Water flow power generation device Download PDF

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Publication number
CN202468150U
CN202468150U CN2012200821758U CN201220082175U CN202468150U CN 202468150 U CN202468150 U CN 202468150U CN 2012200821758 U CN2012200821758 U CN 2012200821758U CN 201220082175 U CN201220082175 U CN 201220082175U CN 202468150 U CN202468150 U CN 202468150U
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CN
China
Prior art keywords
water
water wheels
power generation
water flow
wheels
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Expired - Lifetime
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CN2012200821758U
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Chinese (zh)
Inventor
张群
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Individual
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Individual
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Priority to CN2012200821758U priority Critical patent/CN202468150U/en
Priority to BR112013024920-0A priority patent/BR112013024920B1/en
Priority to US14/008,871 priority patent/US9611832B2/en
Priority to PCT/CN2012/072247 priority patent/WO2012130037A1/en
Application granted granted Critical
Publication of CN202468150U publication Critical patent/CN202468150U/en
Anticipated expiration legal-status Critical
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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
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

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  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The utility model discloses a water flow power generation device and belongs to the technical field of a water flow power generation technology. The water flow power generation device comprises a mounting frame, at least two water wheels, a speed changer and a generator, wherein the at least two water wheels are arranged in the mounting frame and rotates reversely; the speed changer and the generator are driven by the water wheels; and synchronous gears meshed mutually are fixed on water wheel shafts of the two water wheels rotating reversely. The water flow power generation device is characterized in that a sharp-angled rectification body is arranged at each of a water inlet end and a water outlet end corresponding to the two water wheels rotating reversely in the mounting frame; the water wheels are provided with at least four blades; and each blade is shaped like a straight plate or the two surfaces of each blade are concave curved surfaces. The water flow power generation device can generate electricity by completely utilizing double-way water flow generated by tide and can greatly improve the generating efficiency of the device.

Description

A kind of stream generating device
Technical field:
The utility model relates to a kind of stream generating device, particularly to the improvement of stream generating device.
Background technique:
The water resources of China is abundant, and priority development of hydropower has become the important policy of China's energy development.Its structure of electricity generating device of utilizing current to generate electricity at present is different.For example: application number is the one Chinese patent application of 201110092876X; It discloses a kind of stream generating device; This electricity generating device comprises support, is arranged on the water wheels of two reverse rotation in the support and speed reducer and the generator that is driven by water wheels; Be fixed with intermeshing synchromesh gear on the water wheel axle of the water wheels of two reverse rotation, be provided with the rectification body of tip-angled shape at the feed-water end of water wheels.The electricity generating device of this kind structure is to utilize rectification body to make the front current under the effect of rectification body closed angle end, change direction; The oblique impact of front current that makes changed course current and rectification body both sides is the turbine blade of direction separately; Make the end downstream and the increase of the pressure difference between the end against the current of water wheels; Thereby make two water wheels overcome the resistance reverse rotation, produce torque force, and through water wheel axle and speed changer torque force is passed to generator and generate electricity.This electricity generating device waterpower utilization rate is high, and generating efficiency is high.But above-mentioned electricity generating device is applicable to the situation that water (flow) direction is single, and is then not too suitable for the situation of the bimodal current resemble the morning and evening tides.
Summary of the invention
Not enough to existing in prior technology, the utility model provides a kind of stream generating device of utilizing morning and evening tides to generate electricity of being suitable for, and this electricity generating device can effectively utilize the bimodal current that morning and evening tides produces and generate electricity, and its generating efficiency is high.
The utility model is realized through following technological scheme: a kind of stream generating device; The speed changer and the generator that comprise installation frame, be arranged on the water wheels of at least two reverse rotation in the said installation frame, drive by said water wheels; Be fixed with intermeshing synchromesh gear on the water wheel axle of the water wheels of said two reverse rotation; Its special way is; The feed-water end of the water wheels of corresponding described two reverse rotation and the rectification body that the waterexit end is respectively equipped with a tip-angled shape in the said installation frame, said water wheels have at least four blades, and said blade is an inner sunken face for straight two surfaces tabular or blade.
It is inner sunken face that the blade of the water wheels in the utility model adopts straight two surfaces tabular or blade, and the bimodal current that can fully adapt to morning and evening tides and produced utilizes the current of both direction to generate electricity.When morning and evening tides; Current with respect to one of them direction; Feed-water end/the waterexit end of water wheels also is the waterexit end/feed-water end of another reverse flow, and electricity generating device can make full use of the bimodal current that morning and evening tides produces and generates electricity like this, can improve generating efficiency greatly.Be arranged on the feed-water end of water wheels and the rectification body of waterexit end; When having corresponding current to pass through; Can make the front current changed course of its closed angle end, the front current of changed course current and rectification body both sides along inclined direction impact the blade of two water wheels, make two water wheels overcome the resistance reverse rotation; Produce torque force, generate electricity.
In order to improve generating efficiency, the rectification body of said tip-angled shape is the camber line of straight line or indent along the dual-side of its axis symmetry.
In order to guarantee the good rotation of water wheels, the base of the rectification body of said tip-angled shape is that the camber lines of indent camber line or and indent symmetrical along its axis by two sections are formed.Wherein two sections indent camber lines are corresponding with two water wheels respectively.The rectification body of this shape is that rotation space is reserved in the water wheels rotation, in case the bottom of rectification body can increase the resistance that water wheels rotate, and causes the generating efficiency of whole generating device to reduce.
The beneficial effect of the utility model is: the utility model through with the Blade Design of water wheels for straight tabular or be inner sunken face with two surface design of the blade of water wheels; And at the feed-water end of the water wheels of two reverse rotation and the rectification body that the waterexit end is provided with tip-angled shape respectively; The bimodal current that makes electricity generating device can make full use of the morning and evening tides generation is generated electricity, and has improved the generating efficiency of device greatly.The utility model both can generate electricity in the monomer operation, and also along continuous straight runs and Vertical direction are extended as required, formed the netted power generating network battle array of comb, can generate electricity to maximally utilise water.The utility model is simple in structure, and design and manufacture cost is low, and is easy for installation, can be adaptable across bimodal current (like morning and evening tides etc.) generating.
Description of drawings:
Fig. 1 is the main TV structure schematic representation in the utility model embodiment.
Fig. 2 be among Fig. 1 B-B to cross-sectional schematic.
Fig. 3 is the structural representation of the water wheels among Fig. 1.
Fig. 4 is the another kind of structural representation of the water wheels in the embodiment of the invention 1.
Fig. 5 vertically extends the structural representation of use for the utility model.
Among the figure, 1 is upper bracket, and 2 is synchromesh gear, and 3 is generator, and 4 is speed changer, and 5 is water wheel axle, and 7 is water wheels, and 8 is lower support frame, and 9 is rectification body, and 10 is water wheels, and 11 is synchromesh gear, and 12 is water wheel axle, and 13 is positioning hole, and 14 is positioning hole.
Embodiment:
For clearly demonstrating the technical characterstic of this programme,, the utility model is done further explanation below through embodiment and combine accompanying drawing:
Shown in Fig. 1-2, a kind of stream generating device, it comprises installation frame, water wheels 7, water wheels 10 and the speed changer 4 and the generator 3 that are driven by water wheels 7 and water wheels 10.Said installation frame comprises upper bracket 1 and lower support frame 8, and speed changer 4 is positioned at upper bracket 1 top with generator 3.Water wheels 7 and water wheels 10 are between upper bracket 1 and lower support frame 8, and being separately installed with on the water wheel axle 5 that is connected with water wheels 10 with water wheels 7 and the water wheel axle 12 can intermeshing synchromesh gear 2 and synchromesh gear 11.The perpendicular bisector conllinear of the axis of the feed-water end of corresponding water wheels 7 and water wheels 10 and 9, two rectification bodies 9 of rectification body that the waterexit end is fixedly connected with a tip-angled shape respectively and water wheels 7 and water wheels 10 circle center line connectings between upper bracket 1 and lower support frame 8.Said rectification body 9 is the camber line of straight line or indent along the dual-side of its axis symmetry.Water wheel axle 5 passes through upper bracket 1 and lower support frame 8 stationary positioned with water wheel axle 12.
In the present embodiment, water wheels 7 all have at least four blades with water wheels 10, the interlaced arrangement of the blade of two water wheels, and two working surfaces of the blade of water wheels are designed to inner sunken face, shown in accompanying drawing 3.The indent design of turbine blade can improve the impact force of current to blade, improves generating efficiency.Certainly, the blade of said water wheels also can adopt directly tabular, and shown in accompanying drawing 4, straight tabular blade can reduce difficulty of processing greatly.
In order to guarantee that water wheels rotate flexibly, the base of rectification body 9 can be designed to the indent camber line or is made up of two sections camber lines along its axis symmetry and indent in the present embodiment.
The working principle of the utility model is: when the forward current; The rectification body 9 corresponding with this water (flow) direction works; The front current of its closed angle end change direction under the effect of the dual-side of rectification body 9, the front current of changed course current and rectification body 9 both sides along inclined direction impact the blade of water wheels 7 and water wheels 10, thereby make two water wheels overcome the resistance reverse rotation; Produce torque force, and through water wheel axle and speed changer torque force is passed to generator and generate electricity.When rightabout current; The rectification body 9 corresponding with this reverse flow works; The front current of the closed angle end of this rectification body 9 change direction under the effect of the dual-side of rectification body 9; And along inclined direction impact the blade of water wheels 7 and water wheels 10, thereby realize generating with the front current of rectification body 9 both sides.The utility model is specially adapted to utilize bimodal current (the for example bimodal current of generation such as morning and evening tides) to generate electricity.
The utility model can vertically extend with substantially horizontal as required, forms the netted power generating network battle array of comb, can generate electricity to maximally utilise water.The power generating network battle array specifically can adopt following mode to realize: (one) Vertical direction: as shown in Figure 5; Vertically be provided with two or more installation frames; Speed changer 4 and generator 3 are fixed in the top of the upper bracket 1 of the superiors' installation frame; Water wheel axle 5 vertically extends in the undermost lower support frame with water wheel axle 12, and the torque force of each water wheels 7 and water wheels 10 can pass to speed changer 4 through water wheel axle 5, water wheel axle 12 simultaneously, passes to generator 3 through speed changer 4 again; (2) substantially horizontal: along continuous straight runs is provided with two or more installation frames; Speed changer 4 and generator 3 are fixed in the top of the upper bracket 1 in each installation frame; Thereby form a plurality of electricity generating devices arranged side by side in the horizontal direction; With intercepting current to greatest extent can, utilize current to generate electricity.
For better fixedly whole generating device, the feed-water end of water wheels 7 and water wheels 10: upper bracket 1, rectification body 9 and lower support frame 8 are provided with concentric positioning hole 13; The waterexit end of water wheels 7 and water wheels 10: upper bracket 1, rectification body 9 and lower support frame 8 are provided with concentric positioning hole 14.This kind structural type can realize vertically; A dowel pile passes the positioning hole 13 on each upper bracket 1, rectification body 9 and the lower support frame 8 successively; Another root dowel pile passes the positioning hole 14 on upper bracket 1, rectification body 9 and the lower support frame 8 successively; The lower end of two dowel piles is squeezed in the riverbed, thereby one or more groups electricity generating device that will vertically be provided with is serially connected and firm location.The upper end of two dowel piles can be connected with the fixing stake that is positioned at the electricity generating device upper reaches through tow rope, thereby can be with the better positioning and fixing of whole generating device.
The utility model is not limited to the foregoing description, and the variation that those of ordinary skills make in the essential scope of the utility model, remodeling, interpolation or replacement also should belong to the protection domain of the utility model.

Claims (3)

1. stream generating device; The speed changer and the generator that comprise installation frame, be arranged on the water wheels of at least two reverse rotation in the said installation frame, drive by said water wheels; Be fixed with intermeshing synchromesh gear on the water wheel axle of the water wheels of said two reverse rotation, it is characterized in that: the feed-water end of the water wheels of corresponding described two reverse rotation and the rectification body that the waterexit end is respectively equipped with a tip-angled shape in the said installation frame; Said water wheels have at least four blades, and said blade is an inner sunken face for straight two surfaces tabular or blade.
2. stream generating device according to claim 1 is characterized in that: the rectification body of said tip-angled shape is the camber line of straight line or indent along the dual-side of its axis symmetry.
3. stream generating device according to claim 1 and 2 is characterized in that: the base of the rectification body of said tip-angled shape is that the camber lines of indent camber line or and indent symmetrical along its axis by two sections are formed.
CN2012200821758U 2011-03-30 2012-03-07 Water flow power generation device Expired - Lifetime CN202468150U (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2012200821758U CN202468150U (en) 2012-03-07 2012-03-07 Water flow power generation device
BR112013024920-0A BR112013024920B1 (en) 2011-03-30 2012-03-13 WATER FLOW ENERGY GENERATION DEVICE
US14/008,871 US9611832B2 (en) 2011-03-30 2012-03-13 Water flow power generation apparatus
PCT/CN2012/072247 WO2012130037A1 (en) 2011-03-30 2012-03-13 Water flow power generation apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200821758U CN202468150U (en) 2012-03-07 2012-03-07 Water flow power generation device

Publications (1)

Publication Number Publication Date
CN202468150U true CN202468150U (en) 2012-10-03

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ID=46916311

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200821758U Expired - Lifetime CN202468150U (en) 2011-03-30 2012-03-07 Water flow power generation device

Country Status (1)

Country Link
CN (1) CN202468150U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110017243A (en) * 2019-05-15 2019-07-16 薛会明 Tide turbine-generator units

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110017243A (en) * 2019-05-15 2019-07-16 薛会明 Tide turbine-generator units

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Granted publication date: 20121003