CN201650567U

CN201650567U - Hydraulic generating device

Info

Publication number: CN201650567U
Application number: CN201020195601XU
Authority: CN
Inventors: 田玉歧; 田宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-19
Filing date: 2010-05-19
Publication date: 2010-11-24
Anticipated expiration: 2020-05-19

Abstract

The utility model discloses a hydraulic generating device and aims to solve the problems of lower hydraulic utilization rate and the like in the prior art. The hydraulic generating device comprises an housing with an inlet and an outlet, and at least two impellers arranged corresponding to the outlet, wherein each impeller comprises a central axis and a plurality of radial impeller blades with one end of each axially arranged on the central axis; the radial impeller blades are in radial arrangement on the central axis; the impellers adopting stepped shapes are transversely arranged inside the housing; and the outer end of each central axis is connected with an electric generator through a transmission mechanism arranged outside the housing. The hydraulic generating device with the structure can be set in the places with smaller head drops such as rivers, springs and waterfalls in hilly regions for use, the multistage impellers in stepped arrangement can make full use of the potential energy of the water flow and are connected with an electric generator through the transmission mechanism for continuous power generation, and has the advantages of higher water flow utilization rate, lower starting load of the electric generator, and simple structure.

Description

Hydroelectric installation

Technical field

The utility model relates to a kind of hydroelectric installation.

Background technique

China's waterpower resourses are abundant, hydroelectric generator is used very extensive at present, but existing hydroelectric generator generally is arranged on torrent place, water source, utilize kinetic hydraulic energy to generate electricity, for the utilization of hydraulic potentials such as mountain spring, waterfall also seldom, and, because existing hydroelectric generator impeller is provided with structure and generally needs bigger hydraulic potential could start generating, can not make full use of streaming potential, cause the waste of part streaming potential.

The model utility content

In order to overcome above-mentioned defective, the purpose of this utility model be to provide the setting of a kind of multi-stage impeller ladder, current utilization ratio higher, start load hydroelectric installation lower, simple in structure.

In order to achieve the above object, hydroelectric installation of the present utility model, comprise at least two impellers that the shell that is provided with import and outlet and corresponding described import and export are provided with, described impeller is made of some radial blades that a central shaft and an end are arranged on the described central shaft vertically, described radial blade is divergent shape and is arranged on the described central shaft, described impeller is stepped to be horizontally installed in the described shell, and described central shaft outer end connects generator by the driving mechanism that is arranged on described housing exterior.

Particularly, described radial blade length is suitable with described central shaft length, described radial blade two ends are respectively arranged with closed shell, described closed shell top and bottom correspondence respectively are provided with import and outlet, the closed shell of two impellers of adjacent setting, be positioned at the corresponding closed shell import setting that is positioned at the below of closed shell outlet of top, be positioned at the top impeller the closed shell import and be positioned at the outlet of closed shell of impeller of bottom the import and the outlet of corresponding described shell be provided with respectively.

Wherein, the cross section of described radial blade is " √ " shape or " S " shape.

Further, described shell by top board, base plate and be arranged on the top and base plate between two trapezoidal side plates constitute, described impeller middle spindle is separately positioned on the described biside plate, and described shell import is arranged on the described top board, base plate and space formation housing outlet between the impeller of bottom.

Wherein, described impeller middle spindle one end is provided with belt pulley respectively, and described belt pulley is connected with driven pulley on being arranged on described generator input shaft by belt respectively.

Further, described radial blade is uniform is arranged on the described central shaft.

Particularly, described radial blade is 36, and the angle between the described adjacent two radial blade center lines is 10 degree.

Above-mentioned structure, can be located at the less stream of drop, mountain spring and have the place of waterfall to use, the multi-stage impeller of employing cascade setting can make full use of the potential energy of current, described impeller all connects generator by driving mechanism and continues generating, has that the current utilization ratio is higher, generator starts the lower and advantage of simple structure of load.

Description of drawings

Fig. 1 is the first specific embodiment structural representation of the present utility model.

Fig. 2 is the second specific embodiment master TV structure schematic representation of the present utility model.

Fig. 3 is the right TV structure schematic representation of Fig. 2.

Fig. 4 be among Fig. 2 along A-A to the sectional structure schematic representation.

Fig. 5 is the first specific embodiment sectional structure schematic representation of impeller in the utility model.

Fig. 6 is the second specific embodiment sectional structure schematic representation of impeller in the utility model.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

Shown in Fig. 1-5, hydroelectric installation of the present utility model, comprise be provided with import 11 and export 12 shell 1 and corresponding described import and export are provided with at least two (Fig. 1 is shown seven, be followed successively by one-level 21 from top to bottom, secondary 22, three grade 23, level Four 24, Pyatyi 25, six grades 26 and seven grades 27) impeller, described impeller is made of some radial blades 20 that a central shaft and an end are arranged on the described central shaft vertically, described radial blade is divergent shape and is arranged on the described central shaft, described impeller is stepped to be horizontally installed in the described shell, and described central shaft outer end connects generator 5 by the driving mechanism that is arranged on described housing exterior.

As shown in Figure 5, described radial blade length is suitable with described central shaft length, described radial blade two ends are respectively arranged with closed shell 6, described closed shell top and bottom correspondence respectively are provided with import 61 and outlet 62, the closed shell of two impellers of adjacent setting, be positioned at the corresponding closed shell import setting that is positioned at the below of closed shell outlet of top, be positioned at the top impeller the closed shell import and be positioned at the outlet of closed shell of impeller of bottom the import and the outlet of corresponding described shell be provided with respectively.Described closed shell influences generating efficiency in order to prevent the loss of current thereby reduce vane stress.

Above-mentioned structure, can be located at the less stream of drop, mountain spring and have the place of waterfall to use, the multi-stage impeller of employing cascade setting can make full use of the potential energy of current, when current when eminence flows downward at first through the flow through shell import of the one-level impeller 21 that is positioned at the top of the import 11 of shell, form tank 7 between adjacent two blades and the closed shell, water flows into each tank and form driving moment under the gravity of current and flow velocity souring, promote the one-level wheel rotation, through its outlet flow through the sencond stage impeller 22 that is positioned at one-level impeller bottom the closed shell import so that promote sencond stage impeller and rotate, the gravitational potential energy at water source that is positioned at eminence is through one-level, secondary, three grades, level Four to seven grade impeller transmits downwards successively and utilizes, housing outlet discharges after the outlet of the closed shell of seven grades of impellers 27 is flowed through, the multi-stage impeller of the stepped arrangement setting of this kind makes full use of the gravitational potential energy of current and is converted into electric energy, described impeller all connects generator by driving mechanism and continues generating, and it is higher to have the current utilization ratio, generator starts the lower and advantage of simple structure of load.

As second specific embodiment of the present utility model, shown in Fig. 2-5, described shell 1 by top board 13, base plate 14 and be arranged on the top and base plate between two trapezoidal side plates 15 constitute, the central shaft 28 of described impeller 2 is separately positioned on the described biside plate, described shell import 11 is arranged on the described top board, base plate and space formation housing outlet between the impeller of bottom.

Wherein, the cross section of described radial blade 20 is " √ " shape or " S " shape.The blade that described cross section is " √ " or serpentine shape is being easy to water when central shaft rotates, make current form vortex, reduce the surface friction drag of current and blade, increase the lifting surface area of blade, the gravitational potential energy of current effectively is converted into kinetic energy promotes wheel rotation and generate electricity.As Fig. 5, shown in Figure 6.

Wherein, described impeller middle spindle one end is provided with belt pulley 3 respectively, and described belt pulley is connected with driven pulley 4 on being arranged on described generator 5 input shafts by belt respectively.

As shown in Figure 6, described radial blade is 36, and the angle between the described adjacent two radial blade center lines is 10 degree.

Said structure is simple, every grade of impeller all can drive driven pulley and drive generator input shaft rotation generating, further increase the persistency that the generator output shaft rotates generating, reach the effect of continual and steady generating, above-mentioned electricity generating device, flexibility is higher, be suitable for large, medium and small type generating scale manufacturing, cost is lower, installation is simple, use is extensive, evenly being provided with of radial blade benefits the impeller stress balance, and the number of blade and angle and concrete bending curvature radius can be according to flow rate of water flow, the concrete calculating and setting of flow.

The utility model is not limited to above-mentioned mode of execution, no matter do any variation on its shape or structure, every to utilize above-mentioned hydroelectric installation all be a kind of distortion of the present utility model, all should think and drop within the utility model protection domain.

Claims

1. hydroelectric installation, comprise at least two impellers that the shell that is provided with import and outlet and corresponding described import and export are provided with, it is characterized in that, described impeller is made of some radial blades that a central shaft and an end are arranged on the described central shaft vertically, described radial blade is divergent shape and is arranged on the described central shaft, described impeller is stepped to be horizontally installed in the described shell, and described central shaft outer end connects generator by the driving mechanism that is arranged on described housing exterior.

2. hydroelectric installation as claimed in claim 1, it is characterized in that, described radial blade length is suitable with described central shaft length, described radial blade two ends are respectively arranged with closed shell, described closed shell top and bottom correspondence respectively are provided with import and outlet, the closed shell of two impellers of adjacent setting, be positioned at the corresponding closed shell import setting that is positioned at the below of closed shell outlet of top, be positioned at the top impeller the closed shell import and be positioned at the outlet of closed shell of impeller of bottom the import and the outlet of corresponding described shell be provided with respectively.

3. hydroelectric installation as claimed in claim 1 or 2 is characterized in that, the cross section of described radial blade is " √ " shape or " S " shape.

4. hydroelectric installation as claimed in claim 3, it is characterized in that, described shell by top board, base plate and be arranged on the top and base plate between two trapezoidal side plates constitute, described impeller middle spindle is separately positioned on the described biside plate, described shell import is arranged on the described top board, base plate and space formation housing outlet between the impeller of bottom.

5. hydroelectric installation as claimed in claim 4 is characterized in that, described impeller middle spindle one end is provided with belt pulley respectively, and described belt pulley is connected with driven pulley on being arranged on described generator input shaft by belt respectively.

6. hydroelectric installation as claimed in claim 5 is characterized in that, described radial blade is uniform to be arranged on the described central shaft.

7. hydroelectric installation as claimed in claim 6 is characterized in that, described radial blade is 36, and the angle between the described adjacent two radial blade center lines is 10 degree.