CN205178763U - Radial permanent magnetism suspension of associated mode assaults water generator that declines - Google Patents
Radial permanent magnetism suspension of associated mode assaults water generator that declines Download PDFInfo
- Publication number
- CN205178763U CN205178763U CN201521040415.8U CN201521040415U CN205178763U CN 205178763 U CN205178763 U CN 205178763U CN 201521040415 U CN201521040415 U CN 201521040415U CN 205178763 U CN205178763 U CN 205178763U
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- CN
- China
- Prior art keywords
- rotor
- casing
- bucket
- runner
- water
- 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.)
- Withdrawn - After Issue
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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)
Abstract
The utility model discloses a radial permanent magnetism suspension of associated mode assaults water generator that declines, including casing and rotor shaft, be provided with runner and disc type rotor on the rotor shaft, be provided with the bucket on the external diameter cylindrical surface of runner, be provided with the disk stator on the casing, install on the casing through the magnetic bearing respectively at the both ends of rotor shaft, still is fixed with axial stopper and pipeline under pressure on the casing. The utility model discloses a pipeline under pressure introduces bucket drive rotor shaft with water and the rotor rotates the realization electricity generation, and disc type rotor and disk stator are adopted to it for the rotor can cut the magnetic line of force by furthest at rotatory in -process stator winding, and the generating efficiency is high, and when pipeline under pressure said water, the impact force of symmetrical rivers made the top smooth stopper of axial that breaks away from in rotor shaft both ends, realizes suspending totally, the friction of the rotatory nothing machinery of rotor shaft has reduced the friction loss, can improve the life of energy exchange efficiency, extension generator, and it can realize exempting from the routine maintenance simultaneously, and motor cost and running cost hang down.
Description
Technical field
The utility model relates to a kind of generator, particularly a kind of minisize hydroelectric generator.
Background technology
Micro-water power utilizes the minute water resource of the low water head low discharge near electric load to generate electricity, without the need to power transformation, directly for the hydroelectric power system of user.Micro-water power is the important channel solving environment and re-sources contradiction, has important strategic importance to the general advance promoting China and other country particularly developing country's electrification of the countryside, sustainable development and society.
But current micro-water generating efficiency is general lower, as America and Europe, utilizing the mode of speed governing, make the efficiency of micro-water power reach 70-80%, and China is in order to reduce development cost, use not speed governing to coordinate the mode of dummy load to generate electricity, transformation efficiency is extremely low, about 20-40%.In order to improve conversion efficiency, particularly micro-water generating efficiency, is developed several maglev hydroelectric generator.
Patent 201220544617.6 gives a kind of magnetic suspension hydroelectric generator, and runner connects generating by pulley electric motor.Because belt pulley has friction, efficiency is not high; And rotor has no idea to land.
Magnetic levitation hydro-generator disclosed in patent 201310358998.8, due to employing is axial flow turbine, axially has comparatively high thrust, the hybrid magnetic suspension guarantee runner comprising electromagnetism must be used to suspend completely, so complex structure cost is high, there is additional electrical energy consumption.
Therefore be necessary to develop a kind of low cost, the efficient magnetic suspension hydroelectric generator of energy practical application.
Utility model content
In view of this, the utility model provides a kind of associated mode radial permanent magnet suspension impact micro-water generator, and to solve, existing micro-water generator energy transformation ratio is low, high in cost of production problem.
The micro-water generator of the utility model associated mode radial permanent magnet suspension impact, comprise casing and armature spindle, described armature spindle is fixedly installed runner and disk type rotor, the end face of described disk type rotor is provided with the round rotor magnet be circumferentially evenly arranged, the outer diameter cylindrical of described runner is evenly provided with bucket on the surface, the inner chamber of described bucket is made up of the left arch shaped cavity of symmetrical shape and right arch shaped cavity, and the cross section of bucket inner chamber is m shape; Described casing is fixedly installed dish type stator, the end face of described dish type stator has stator without iron core winding;
The two ends of described armature spindle are arranged on casing respectively by magnetic bearing, and armature spindle to have the circular cone stretching out magnetic bearing top, described casing is also fixed with the axial limiting block that the tip top with circular cone coordinates;
Described casing is also provided with penstock water under high pressure being introduced bucket, described penstock is arranged symmetrically with relative to the inner chamber plane of symmetry of bucket, and the arc bottommost just to left arch shaped cavity and right arch shaped cavity is distinguished at the delivery port center of penstock.
Further, the outer ring of described magnetic bearing and inner ring arranged in dislocation in the axial direction.
Further, the axial both sides of described runner are respectively arranged with a dish type stator, the end face of described runner are also provided with the rotor magnet be circumferentially evenly arranged.
Further, there is between the tip that described circular cone is top and the end face of axial limiting block the gap of 0.1 ~ 1mm.
The beneficial effects of the utility model:
The micro-water generator of the utility model associated mode radial permanent magnet suspension impact, water is introduced bucket drives rotor shaft and rotor turns realization generating by penstock by it, it adopts disk type rotor and dish type stator, stator winding can cutting magnetic line to greatest extent in rotary course to make rotor, and generating efficiency is high; And when force pipe way water, the impulsive force of symmetrical current makes the top disengaging in armature spindle two ends axially smooth guide vane end stop, symmetric pressure duct injection water jets under high pressure out can offset the minimum out-of-balance force of axis that two ends magnetic bearing on armature spindle produces, reach the object of rotor axial permanent magnet suspension, realize suspending completely, armature spindle rotates mechanical friction, reduce frictional dissipation, energy conversion efficiency can be improved, extend the useful life of generator, it can realize exempting from regular maintenance simultaneously, motor cost and operating cost low, be particularly suitable for the generating of micro-water resources.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the micro-water generator of the present embodiment associated mode radial permanent magnet suspension impact;
Fig. 2 is when penstock is anhydrous, and bucket departs from equilbrium position view to the right;
Fig. 3 is when penstock is anhydrous, and bucket departs from equilbrium position view left;
Fig. 4 is for when penstock has water, and bucket is in equilbrium position view under water impact effect.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in the figure, the micro-water generator of the present embodiment associated mode radial permanent magnet suspension impact, comprise casing and armature spindle 1, described armature spindle is fixedly installed runner 2 and disk type rotor 3, the end face of described disk type rotor is provided with the round rotor magnet 4 be circumferentially evenly arranged, the outer diameter cylindrical of described runner is evenly provided with bucket 5 on the surface, and the inner chamber of described bucket is made up of the left arch shaped cavity 51 of symmetrical shape and right arch shaped cavity 52, and the cross section of bucket inner chamber is m shape; Described casing is fixedly installed dish type stator 6, the end face of described dish type stator has stator without iron core winding 7;
The two ends of described armature spindle are arranged on casing respectively by magnetic bearing 8, and armature spindle has the circular cone stretching out magnetic bearing top 9, described casing are also fixed with the axial limiting block 10 that the tip top with circular cone coordinates;
Described casing is also provided with the penstock 11 water under high pressure being introduced bucket, described penstock is arranged symmetrically with relative to the inner chamber plane of symmetry of bucket, and the arc bottommost just to left arch shaped cavity and right arch shaped cavity is distinguished at the delivery port center of penstock.
The micro-water generator of the present embodiment associated mode radial permanent magnet suspension impact, originally water is introduced bucket drives rotor shaft and rotor turns realization generating by penstock by it, it adopts disk type rotor and dish type stator, stator winding can cutting magnetic line to greatest extent in rotary course to make rotor, and generating efficiency is high; When force pipe way is anhydrous, rotor radial magnetic suspension, one end of axle withstands on a smooth guide vane end stop of axis; When force pipe way water, the impulsive force of symmetrical current makes the top disengaging in armature spindle two ends axially smooth guide vane end stop, symmetric pressure duct injection water jets under high pressure out can offset the minimum out-of-balance force of axis that two ends magnetic bearing on armature spindle produces, reach the object of rotor axial permanent magnet suspension, realize suspending completely; Armature spindle rotates mechanical friction, reduces frictional dissipation, and can improve energy conversion efficiency, extend the useful life of generator, it can realize exempting from regular maintenance simultaneously, motor cost and operating cost low, be particularly suitable for the generating of micro-water resources.
As the optimization to the present embodiment, the outer ring 81 of described magnetic bearing and inner ring 82 arranged in dislocation in the axial direction, magnetic bearing is made to have a little axial thrust to armature spindle, near axial limiting block bearing outer ring by bearing inner race and rotor axial armature spindle third side to pushing away, and the principle that the rotating speed of this axial thrust and armature spindle is proportional, therefore when rotor high-speed rotates, axial thrust is larger, under the thrust of two radial direction magnetic bearings, the axial suspension that armature spindle can be more stable is at the mid point of axial limiting block.
As the optimization to the present embodiment, the axial both sides of described runner 2 are respectively arranged with a dish type stator, the end face of described runner are also provided with the rotor magnet 4 be circumferentially evenly arranged; The end face of runner also arranges rotor magnet, the energy output of this micro-water generator can be improved further.
As the optimization to the present embodiment, there is between the end face of the tip that described circular cone is top and axial limiting block the gap of 0.1 ~ 1mm, top and the axial limiting block of circular cone leaves gap and can ensure that armature spindle freely rotates, gap length in the present embodiment arranges rationally, and excesssive gap can be avoided to cause rotor seriously to depart from equilbrium position in the axial direction.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. the micro-water generator of associated mode radial permanent magnet suspension impact, comprise casing and armature spindle, it is characterized in that: described armature spindle is fixedly installed runner and disk type rotor, the end face of described disk type rotor is provided with the round rotor magnet be circumferentially evenly arranged, the outer diameter cylindrical of described runner is evenly provided with bucket on the surface, the inner chamber of described bucket is made up of the left arch shaped cavity of symmetrical shape and right arch shaped cavity, and the cross section of bucket inner chamber is m shape; Described casing is fixedly installed dish type stator, the end face of described dish type stator has stator without iron core winding;
The two ends of described armature spindle are arranged on casing respectively by magnetic bearing, and armature spindle to have the circular cone stretching out magnetic bearing top, described casing is also fixed with the axial limiting block that the tip top with circular cone coordinates;
Described casing is also provided with penstock water under high pressure being introduced bucket, described penstock is arranged symmetrically with relative to the inner chamber plane of symmetry of bucket, and the arc bottommost just to left arch shaped cavity and right arch shaped cavity is distinguished at the delivery port center of penstock.
2. the micro-water generator of associated mode radial permanent magnet suspension impact according to claim 1, is characterized in that: the outer ring of described magnetic bearing and inner ring arranged in dislocation in the axial direction.
3. the micro-water generator of associated mode radial permanent magnet suspension impact according to claim 1, it is characterized in that: the axial both sides of described runner are respectively arranged with a dish type stator, the end face of described runner are also provided with the rotor magnet be circumferentially evenly arranged.
4. the micro-water generator of associated mode radial permanent magnet suspension impact according to claim 1, is characterized in that: the gap between the end face of the tip that described circular cone is top and axial limiting block with 0.1 ~ 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040415.8U CN205178763U (en) | 2015-12-14 | 2015-12-14 | Radial permanent magnetism suspension of associated mode assaults water generator that declines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040415.8U CN205178763U (en) | 2015-12-14 | 2015-12-14 | Radial permanent magnetism suspension of associated mode assaults water generator that declines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205178763U true CN205178763U (en) | 2016-04-20 |
Family
ID=55742694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521040415.8U Withdrawn - After Issue CN205178763U (en) | 2015-12-14 | 2015-12-14 | Radial permanent magnetism suspension of associated mode assaults water generator that declines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205178763U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391241A (en) * | 2015-12-14 | 2016-03-09 | 重庆理工大学 | Radial permanent magnet suspension impact type direct-connected micro-hydro generator |
| CN107370321A (en) * | 2017-08-24 | 2017-11-21 | 莱克电气股份有限公司 | A kind of motor of dust collector and dust catcher |
| CN113179043A (en) * | 2021-04-26 | 2021-07-27 | 恩拓必(临沂)能源发展有限责任公司 | Water drop energy collecting system |
-
2015
- 2015-12-14 CN CN201521040415.8U patent/CN205178763U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391241A (en) * | 2015-12-14 | 2016-03-09 | 重庆理工大学 | Radial permanent magnet suspension impact type direct-connected micro-hydro generator |
| CN107370321A (en) * | 2017-08-24 | 2017-11-21 | 莱克电气股份有限公司 | A kind of motor of dust collector and dust catcher |
| WO2019037524A1 (en) * | 2017-08-24 | 2019-02-28 | 莱克电气股份有限公司 | Vacuum cleaner motor and vacuum cleaner |
| CN113179043A (en) * | 2021-04-26 | 2021-07-27 | 恩拓必(临沂)能源发展有限责任公司 | Water drop energy collecting system |
| CN113179043B (en) * | 2021-04-26 | 2022-04-29 | 恩拓必(临沂)能源发展有限责任公司 | Water drop energy collecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20171229 |