CN207989222U - A kind of coaxial coupling type minitype wheel generator - Google Patents
A kind of coaxial coupling type minitype wheel generator Download PDFInfo
- Publication number
- CN207989222U CN207989222U CN201820376223.1U CN201820376223U CN207989222U CN 207989222 U CN207989222 U CN 207989222U CN 201820376223 U CN201820376223 U CN 201820376223U CN 207989222 U CN207989222 U CN 207989222U
- Authority
- CN
- China
- Prior art keywords
- impeller
- engine block
- spiral case
- hydraulic turbine
- alternator shaft
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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 utility model discloses a kind of coaxial coupling type minitype wheel generators, including：Engine block；The hydraulic turbine being coaxially coupled with the engine block, the hydraulic turbine is coaxially coupled with the engine block by alternator shaft, wherein, one end of the alternator shaft is mounted on inside engine block, and the other end sequentially passes through the spiral case and impeller of the hydraulic turbine；Wherein, there is the spiral case axis hole for wearing the alternator shaft, the internal diameter of the axis hole to be more than the outer diameter of the alternator shaft；Wherein, the impeller is fixedly mounted on by flat key on the alternator shaft；Wherein, one end of the spiral case of the hydraulic turbine is fixedly connected with the engine block, and the other end is fixedly connected with draft tube.The utility model is compact-sized, small, and waterpower utilization rate is high, and generating efficiency is high.
Description
Technical field
The utility model is related to technical field of hydraulic generators more particularly to a kind of miniature hydraulic generators of coaxial coupling type
Machine.
Background technology
Traditional power reaches several megawatts even hundreds of megawatts of hydrogenerator, and volume is often very big.Existing market
The hydrogenerator that upper power section is in several multikilowatts has mostly used brush or brushless generator, and has brush or brushless generator to pass through
Shaft coupling connects water wheels spiral case part, and volume is big, total amount weight, and generating efficiency is low.
Invention content
The purpose of this utility model is exactly to provide a kind of coaxial coupling type to overcome the above-mentioned problems of the prior art
Minitype wheel generator, compact-sized, small, waterpower utilization rate is high, and generating efficiency is high.
In order to realize the above-mentioned purpose of the utility model, following technical scheme is provided：
A kind of coaxial coupling type minitype wheel generator, including：Engine block；Coaxially it is coupled with the engine block
The hydraulic turbine, the hydraulic turbine is coaxially coupled with the engine block by alternator shaft, wherein the alternator shaft
One end be mounted on engine block inside, the other end sequentially passes through the spiral case and impeller of the hydraulic turbine；Wherein, the spiral case
With the axis hole for wearing the alternator shaft, the internal diameter of the axis hole is more than the outer diameter of the alternator shaft；Wherein, described
Impeller is fixedly mounted on by flat key on the alternator shaft；Wherein, one end of the spiral case of the hydraulic turbine and the power generation
Machine ontology is fixedly connected, and the other end is fixedly connected with draft tube.
Preferably, the impeller is located at the water outlet of the spiral case, and the outer rim of the impeller and the spiral case go out
Mouth of a river inner wall is smaller than the 10% of the impeller outer diameter.
Preferably, the spiral case is connected with the engine block using seam allowance.
Preferably, the water outlet of the spiral case be equipped with one section expansion shape fluid diffusion region, the fluid diffusion region with it is described
The water inlet uniform smooth of draft tube connects.
Preferably, the impeller uses mixed-flow impeller.
The beneficial effects of the utility model embody in the following areas：
1) engine block of the utility model, spiral case and impeller make entire hydraulic turbine structure more by being coaxially coupled
It is compact, reduce volume；
2) the utility model improves water outlet pressure by the control to impeller outer edge and spiral case water outlet inner wall spacing dimension
Power improves waterpower utilization rate；
3) the water inlet uniform smooth for the fluid diffusion region and draft tube that the utility model is arranged by spiral case water outlet connects
It connects, smooth in water flow is made to flow to draft tube, flow-shape is good, reduces flow energy loss.
4) the utility model uses permanent magnet generator, the generating efficiency of permanent magnet generator to have brush or brushless power-generating better than tradition
Machine, and it is small, it is light-weight, it is compact-sized.
Description of the drawings
Fig. 1 is the structural schematic diagram of the coaxial coupling type minitype wheel generator of the utility model；
Fig. 2 is I enlarged drawings shown in FIG. 1；
Fig. 3 is the stereogram of the impeller of the utility model；
Fig. 4 is the sectional view of the impeller of the utility model.
Reference sign：1- engine blocks；2- spiral cases；3- impellers；4- draft tubes；5- alternator shafts；6- waterproofs
Sealing ring.
Specific implementation mode
The utility model provides a kind of coaxial coupling type minitype wheel generator, compact-sized, and waterpower utilization rate is high, hair
Electrical efficiency is high.
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the present embodiment provides a kind of coaxial coupling type minitype wheel generators, including：Turned by generator
The hydraulic turbine and engine block 1 that axis 5 is coaxially coupled.Wherein, engine block 1 uses permanent magnet generator, improves generating efficiency.
Wherein, the hydraulic turbine includes：Spiral case 2, impeller 3 and draft tube 4.
It is by being realized with lower structure and connection type that the present embodiment, which is coaxially coupled,.As shown in Figure 1, alternator shaft 5
One end by bearing be mounted on engine block 1 inside, the other end sequentially passes through spiral case 2 and impeller 3.Spiral case 2 is sleeved on hair
Machine shaft 5 is outer and is not contacted with alternator shaft 5；One end of spiral case 2 is connected and is led to using seam allowance with engine block 1
It crosses bolt to fix, improves concentricity, it is easy for installation；The other end of spiral case 2 is bolted to connection draft tube 4.Impeller 3 passes through
Flat key is fixedly mounted on the other end of alternator shaft 5.
Waterproof grommet 6 is arranged in the present embodiment on the alternator shaft 5 positioned at spiral case 2 Yu 1 junction of engine block,
The water of the hydraulic turbine is avoided to enter in engine block 1.
As shown in Fig. 1,2 and 4, the present embodiment impeller 3 is located at the water outlet of spiral case 2, and the outer rim of impeller 3 and spiral case 2
Water outlet inner wall spacing H be less than impeller outer diameter D 10%, improve discharge pressure, improve waterpower utilization rate.
The water outlet of spiral case 2 is equipped with the fluid diffusion region of one section of expansion shape, and fluid diffusion region and the water inlet of draft tube 4 are uniform
It is smoothly connected, smooth in water flow is made to flow to draft tube, flow-shape is good, reduces flow energy loss.The water outlet of draft tube is more than
Water inlet is conducive to energy regenerating.
The impeller 3 of the present embodiment uses mixed-flow impeller, reduces the impact loss of flow, improves water flow efficiency.
Although above-mentioned elaborate the utility model, the utility model is without being limited thereto, the skill of the art
Art personnel can be modified with principle according to the present utility model, therefore, all according to the various of the principles of the present invention progress
Modification all should be understood as falling into the scope of protection of the utility model.
Claims (4)
1. a kind of coaxial coupling type minitype wheel generator, including：Engine block；Coaxially it is coupled with the engine block
The hydraulic turbine, which is characterized in that the hydraulic turbine is coaxially coupled with the engine block by alternator shaft, wherein
One end of the alternator shaft be mounted on engine block inside, the other end sequentially pass through the hydraulic turbine spiral case and
Impeller；
Wherein, there is the spiral case axis hole for wearing the alternator shaft, the internal diameter of the axis hole to turn more than the generator
The outer diameter of axis；
Wherein, the impeller is fixedly mounted on by flat key on the alternator shaft；
Wherein, one end of the spiral case of the hydraulic turbine is fixedly connected with the engine block, and the other end is fixedly connected with draft tube.
2. coaxial coupling type minitype wheel generator according to claim 1, which is characterized in that the outer rim of the impeller with
The water outlet inner wall of the spiral case is smaller than the 10% of the impeller outer diameter.
3. coaxial coupling type minitype wheel generator according to claim 1, which is characterized in that the water outlet of the spiral case
Fluid diffusion region equipped with one section of expansion shape, the fluid diffusion region is connect with the water inlet uniform smooth of the draft tube.
4. coaxial coupling type minitype wheel generator according to claim 1, which is characterized in that the impeller uses mixed flow
Formula impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820376223.1U CN207989222U (en) | 2018-03-20 | 2018-03-20 | A kind of coaxial coupling type minitype wheel generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820376223.1U CN207989222U (en) | 2018-03-20 | 2018-03-20 | A kind of coaxial coupling type minitype wheel generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989222U true CN207989222U (en) | 2018-10-19 |
Family
ID=63827473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820376223.1U Expired - Fee Related CN207989222U (en) | 2018-03-20 | 2018-03-20 | A kind of coaxial coupling type minitype wheel generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989222U (en) |
-
2018
- 2018-03-20 CN CN201820376223.1U patent/CN207989222U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103216375B (en) | A kind of bulb through-flow turbine for micro-water head power station | |
| CN104179625A (en) | Straight-pipe ultramicro water turbine | |
| WO2020010872A1 (en) | Ultralow-head hydroelectric generator | |
| CN109441691B (en) | Mixed-flow water turbine with tail water pipe and rectifying plate | |
| CN207989222U (en) | A kind of coaxial coupling type minitype wheel generator | |
| CN103585905B (en) | Circulation microbubble generator | |
| CN203239485U (en) | Bulb through-flow turbine used for micro waterhead power station | |
| CN201339532Y (en) | Small-sized francis turbine generator | |
| CN201386618Y (en) | Mini-type hydroelectric generator | |
| CN106762350A (en) | Generating charger based on running water pipe pressure difference | |
| CN103590962B (en) | A kind of pump turbine unit for micro-head | |
| CN211623604U (en) | Pipeline power generation micro water turbine with concave blades | |
| CN209671219U (en) | A kind of full-tubular pump of novel stator and rotor sructure | |
| CN208040454U (en) | Rotor, steam turbine and prime mover equipment of steam turbine | |
| CN218151232U (en) | Low water level pumped storage generator | |
| CN106837655B (en) | Through-flow type environment-friendly water turbine | |
| CN216447038U (en) | Generating set for water conservancy and hydropower | |
| CN211038884U (en) | Fluid energy conversion device | |
| CN207229399U (en) | A kind of condensate pump | |
| CN216975106U (en) | Hydroelectric generation device capable of utilizing water energy of micro water head | |
| CN212359993U (en) | Flow guiding structure of hydroelectric generator | |
| CN211852040U (en) | Deeply buried water turbine generator set | |
| CN204082417U (en) | A kind of pump turbine unit for micro-head | |
| CN107269447A (en) | Pipeline type hydro-generating Unit | |
| CN203130372U (en) | Axial-flow-type wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20190320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |