CN201083185Y - Small-sized wind-driven generator - Google Patents
Small-sized wind-driven generator Download PDFInfo
- Publication number
- CN201083185Y CN201083185Y CNU2007200504687U CN200720050468U CN201083185Y CN 201083185 Y CN201083185 Y CN 201083185Y CN U2007200504687 U CNU2007200504687 U CN U2007200504687U CN 200720050468 U CN200720050468 U CN 200720050468U CN 201083185 Y CN201083185 Y CN 201083185Y
- Authority
- CN
- China
- Prior art keywords
- bearing
- boss
- back seat
- rotor
- motor casing
- 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 - Lifetime
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a miniature generator, which comprises a backseat, a motor shell, a stator, a rotor, a rotor spindle, a first bearing supporting the rotor spindle, a hub disc and a front cover. A first protruding platform is arranged at one end of the motor shell away from the rear seat and on the inner end surface towards to the rear seat, and is provided with mounting holes for the first bearing inside; the first bearing supporting the rotor spindle is only arranged at one side of the stator and the rotor, one end of the first bearing is pressed against by the end surface of the motor shell and the other end of the first bearing is pressed against a retaining ring; the generator of the utility model has the advantages that the axial dimension, size and weight of the motor as well as the counterweight of the tail vane of the rear seat are reduced, the start torque when the wind power generator is started is decreased, the power generation is improved efficiently and the machining precision and the machining cost are reduced.
Description
Technical field
The utility model relates to a kind of small-sized wind power generator, particularly relates to a kind of small-sized wind power generator that can be used for wind energy power.
Background technique
Existing small-sized wind power generator all is in the both sides of generator amature and stator bearing to be installed all, and this must be provided with the end cover structure of spring bearing in the both sides of generator amature and stator.As the patent No. be 200620055463.9, name is called the disclosed technological scheme of a kind of small-sized wind power generator, this generator comprises tail vane, rear rudder pipe, supporting base, generator, adpting flange, wind wheel blade, column, disclosed in this patent is at the two ends of alternator shaft bearing to be installed all, be equipped with bearings mounted end cover structure at the two ends of motor casing, just bearing all be installed in the both sides of generator amature and stator.The shortcoming of this generator is that the axial dimension of motor is big, and the volume of motor is big, and the weight of motor increases, this corresponding counterweight that can increase generator back seat tail vane, starting torque when improving electric motor starting, this can reduce the generating effect greatly for small generator.Also have, be equipped with bearings mounted end cover structure at the two ends of motor casing, the concentricity requirement of bearings mounted mounting hole is very high on the end cap at two ends, and this can improve machining accuracy, increases processing cost.
The model utility content
The purpose of this utility model provides a kind of need are equipped with the machining accuracy of bearing, the axial dimension that can reduce motor, volume and weight, reduction motor casing in a side of generator amature and stator small-sized wind power generator.
A kind of small-sized wind power generator, comprise back seat, motor casing, stator, rotor, rotor shaft, the clutch shaft bearing of support rotor axle, wheel hub plate, front shroud, motor casing is fixed on the back seat, wind wheel blade is installed on front shroud, on the motor casing away from an end of back seat and on the interior edge face of back seat, be provided with first boss, in first boss, be provided with the mounting hole that clutch shaft bearing is installed, clutch shaft bearing only is installed in the clutch shaft bearing mounting hole, clutch shaft bearing is kept out by the end face of motor casing away from an end of back seat, be provided with near an end of back seat at clutch shaft bearing clutch shaft bearing is limited in limit stoper in the mounting hole, clutch shaft bearing is kept out near the limited device of an end of back seat; Stator is fixed on the motor casing, and rotor is fixed on the rotor shaft, and stator is installed in outside the rotor, and rotor shaft passes clutch shaft bearing and the motor casing end face away from back seat, and wheel hub plate is fixed on the rotor shaft, and is positioned at the side that motor casing deviates from back seat; Rotor shaft passes wheel hub plate, and front shroud is fixed on the end of rotor shaft away from back seat one end.Because a side at generator amature and stator is equipped with bearing, has reduced axial dimension, the volume and weight of motor, this corresponding counterweight that reduces generator back seat tail vane, starting torque when reducing electric motor starting, this can improve the generating effect greatly for small generator.Also have, only need to be provided with a bearings mounted mounting hole at an end of motor casing, the concentricity requirement in hole is easy to reach, and this can reduce machining accuracy, reduces processing cost.
As improvement, deviate from motor casing and extend second boss that is provided with ring-type on the end face of back seat, rotor shaft passes the center hole of second boss, is provided with the weather groove of ring-type on the outer side surface of second boss; On the end face of motor casing, extend the 3rd boss and the 4th boss that is provided with ring-type in wheel hub plate, the 3rd boss and the 4th boss are coaxial, the 3rd boss is positioned at the 4th boss and is higher than the 4th boss, the 3rd boss stretches in the center hole of second boss, and second boss places between the 3rd boss and the 4th boss.Increase the weather groove structure, do not need other waterproof construction, can effectively prevent to make outside water to enter in motor casing and the formed closed cavity of back seat, improve the working life of generator.
As improvement, the end near back seat on the madial wall in the clutch shaft bearing mounting hole is provided with annular groove, and described limit stoper is the Sealing shield ring that is installed in the annular groove, and is this simple in structure, and is convenient to install.
As improvement, clutch shaft bearing is two, is installed together, and is installed in the clutch shaft bearing mounting hole.Adopt two bearings, can avoid the line contact, be the face contact, thereby can avoid bearing deflection.
As improvement, madial wall along the clutch shaft bearing mounting hole is provided with the abrasive rubber circle, and clutch shaft bearing places in the rubber ring, does not directly contact because of between clutch shaft bearing and the motor casing, can significantly reduce the friction between clutch shaft bearing and the motor casing, reduce the possibility that clutch shaft bearing and motor casing damage.
As improvement, stator and motor casing interference fit are provided with rotation stopping screw radially between the side of the side of stator and motor casing; Rotor and rotor shaft interference fit are fixed with first nut at rotor shaft towards an end of back seat.
Common improvement as such scheme, stator is electrically connected with collector machine, collector machine comprises brush, collector ring, brush holder, the axle jump ring, second bearing, the 3rd bearing, the bearing spacer, bearing (ball) cover, bearing (ball) cover, second bearing, the bearing spacer, the 3rd bearing, axle is enclosed within on the running shaft successively with jump ring and places in the cavity of back seat, running shaft is vertical with rotor shaft, collector ring is supported in the rotating shaft, brush holder is supported on the 3rd bearing and is installed in outside running shaft and the collector ring, brush holder, on the running shaft vertical with rotor shaft, bearing (ball) cover is fixed on the back seat collector ring by screw; Brush contacts with collector ring and is electrically connected with stator, and the collector machine of this structure is simple in structure, and assembling easily.
Description of drawings
Fig. 1 is the utility model dissectd and separated front shroud from the central position of rotor shaft a cross-sectional schematic.
Embodiment
As shown in Figure 1, a kind of small-sized wind power generator, comprise that back seat 1, motor casing 2, stator 3, rotor 4, stainless steel rotor shaft 5, two support rotor axle 5 models are 205 first ball bearing 6, wheel hub plate 7, front shroud 8, the wind wheel blade (not shown) is installed on front shroud 8, on back seat 1, is provided with tail vane 9.
On the motor casing 2 away from an end of back seat 1 and to be provided with conical first boss, 10, the first boss 10 on the interior edge face of back seat 1 coaxial with motor casing 2.Be provided with the mounting hole that first ball bearing 6 is installed in first boss 10, the first ball bearing mounting hole is coaxial with first boss 10.Being provided with 11, two first ball bearings 6 of abrasive rubber circle along the madial wall of the first ball bearing mounting hole is installed in the rubber ring 11.End near back seat 1 on the madial wall in the first ball bearing mounting hole is provided with annular groove, elastic bolster guide circle 12 is installed in annular groove, first ball bearing 6 is kept out by the end face of motor casing 2 away from an end of back seat 1, and first ball bearing 6 is kept out by Sealing shield ring 12 near an end of back seat 1.
Stator 3 is fixed on the motor casing 2, and stator 3 and motor casing 2 interference fit are provided with rotation stopping screw 13 radially between the side of the side of stator 3 and motor casing 2.Rotor 4 is fixed on the rotor shaft 5, and rotor 4 and rotor shaft 5 interference fit are fixed with first nut 14 at rotor shaft 5 towards an end of back seat 1.
Deviate from motor casing 2 and extend second boss 15 that is provided with ring-type on the end face of back seat 1, rotor shaft 5 passes first ball bearing 6, motor casing 2 away from the end face of back seat 1, the center hole of second boss 15.On the outer side surface of second boss 15, be provided with the weather groove 16 of ring-type; On the end face of motor casing 2, extend the 3rd boss 17 and the 4th boss 18 that is provided with ring-type in wheel hub plate 7, the 3rd boss 17 and the 4th boss 18 are coaxial, the 3rd boss 17 is positioned at the 4th boss 18 and is higher than the 4th boss 18, the 3rd boss 17 stretches in the center hole of second boss 15, and second boss 15 places between the 3rd boss 17 and the 4th boss 18.Deviate from the end face of back seat 1 being provided with shrinkage pool in wheel hub plate 7, wheel hub plate 7 is fixed on the rotor shaft 5 by stainless steel nut 19, and stainless steel nut 19 places in the shrinkage pool, and wheel hub plate 7 is positioned at the side that motor casing 2 deviates from back seat 1; Rotor shaft 5 passes wheel hub plate 7, and front shroud 8 is fixed on the outside thread 20 of rotor shaft 5 away from the end of back seat 1 one ends.Motor casing 2 is fixed on the back seat 1 by screw 32.
Stator 3 is electrically connected with collector ring 22 devices, collector ring 22 devices comprise brush 21, collector ring 22, brush holder 23, axle jump ring 24, model is 207 second bearing 25 and the 3rd bearing 26, bearing spacer 27, bearing (ball) cover 28, bearing (ball) cover 28, second bearing 25, bearing spacer 27, the 3rd bearing 26, axle is enclosed within on the running shaft 29 successively with jump ring 24 and places in the cavity of back seat 1, running shaft 29 is vertical with rotor shaft 5, collector ring 22 is supported in the rotating shaft, brush holder 23 is supported on the 3rd bearing 26 and is installed in outside running shaft 29 and the collector ring 22, brush holder 23, collector ring 22 is fixed on the running shaft 29 vertical with rotor shaft 5 by screw 30, and bearing (ball) cover 28 is fixed on the back seat 1 by screw 31.Brush 21 contacts with collector ring 22 and is electrically connected with stator 3.
A kind of assembly method of above-mentioned small-sized wind power generator may further comprise the steps:
Earlier resilient rubbber cushion is installed in the first ball bearing mounting hole, then first ball bearing 6 is installed in the motor casing 2 interior first ball bearing mounting holes;
After first ball bearing 6 has been installed, elastic bolster guide circle 12 is installed in the annular groove, make first ball bearing 6 away from an end of back seat 1 by the end face of motor casing 2 keep out, first ball bearing 6 kept out by annular groove near an end of back seats 1;
Behind the installing ring connected in star, compression set 3 is in motor casing 2, and stator 3 and motor casing 2 interference fit are fixed in the motor casing 2 stator 3;
After installing stator 3, press rotor 4 on rotor shaft 5, rotor 4 and rotor shaft 5 interference fit are fixed on the rotor shaft 5 rotor 4.
After rotor 4 was installed on the rotor shaft 5, the rotor shaft 5 that rotor 4 will be installed earlier was inserted in the center hole of first ball bearing 6 and motor casing 2, then motor casing 2 is fixed on the back seat 1, the opposite side of wheel hub plate 7 from motor casing 2 is fixed on the rotor shaft 5 again.
Claims (7)
1. small-sized wind power generator, comprise back seat, motor casing, stator, rotor, rotor shaft, the clutch shaft bearing of support rotor axle, wheel hub plate, front shroud, motor casing is fixed on the back seat, wind wheel blade is installed on front shroud, it is characterized in that on the motor casing away from an end of back seat and on the interior edge face of back seat, be provided with first boss, in first boss, be provided with the mounting hole that clutch shaft bearing is installed, clutch shaft bearing only is installed in the clutch shaft bearing mounting hole, clutch shaft bearing is kept out by the end face of motor casing away from an end of back seat, be provided with near an end of back seat at clutch shaft bearing clutch shaft bearing is limited in limit stoper in the mounting hole, clutch shaft bearing is kept out near the limited device of an end of back seat; Stator is fixed on the motor casing, and rotor is fixed on the rotor shaft, and stator is installed in outside the rotor, and rotor shaft passes clutch shaft bearing and the motor casing end face away from back seat, and wheel hub plate is fixed on the rotor shaft, and is positioned at the side that motor casing deviates from back seat; Rotor shaft passes wheel hub plate, and front shroud is fixed on the end of rotor shaft away from back seat one end.
2. a kind of small-sized wind power generator as claimed in claim 1 is characterized in that deviating from motor casing and extends second boss that is provided with ring-type on the end face of back seat, and rotor shaft passes the center hole of second boss, is provided with the weather groove of ring-type on the outer side surface of second boss; On the end face of motor casing, extend the 3rd boss and the 4th boss that is provided with ring-type in wheel hub plate, the 3rd boss and the 4th boss are coaxial, the 3rd boss is positioned at the 4th boss and is higher than the 4th boss, the 3rd boss stretches in the center hole of second boss, and second boss places between the 3rd boss and the 4th boss.
3. a kind of small-sized wind power generator as claimed in claim 2 is characterized in that the end near back seat is provided with annular groove on the madial wall in the clutch shaft bearing mounting hole, and described limit stoper is the Sealing shield ring that is installed in the annular groove.
4. a kind of small-sized wind power generator as claimed in claim 3 is characterized in that described clutch shaft bearing is two, is installed together, and is installed in the clutch shaft bearing mounting hole.
5. a kind of small-sized wind power generator as claimed in claim 4 is characterized in that being provided with the abrasive rubber circle along the madial wall of clutch shaft bearing mounting hole, and clutch shaft bearing places in the rubber ring.
6. a kind of small-sized wind power generator as claimed in claim 5 is characterized in that stator and motor casing interference fit, is provided with rotation stopping screw radially between the side of the side of stator and motor casing; Rotor and rotor shaft interference fit are fixed with first nut at rotor shaft towards an end of back seat.
7. as any described a kind of small-sized wind power generator of claim 1 to 6, it is characterized in that stator is electrically connected with collector machine, collector machine comprises brush, collector ring, brush holder, the axle jump ring, second bearing, the 3rd bearing, the bearing spacer, bearing (ball) cover, bearing (ball) cover, second bearing, the bearing spacer, the 3rd bearing, axle is enclosed within on the running shaft successively with jump ring and places in the cavity of back seat, running shaft is vertical with rotor shaft, collector ring is supported in the rotating shaft, brush holder is supported on the 3rd bearing and is installed in outside running shaft and the collector ring, brush holder, on the running shaft vertical with rotor shaft, bearing (ball) cover is fixed on the back seat collector ring by screw; Brush contacts with collector ring and is electrically connected with stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200504687U CN201083185Y (en) | 2007-04-18 | 2007-04-18 | Small-sized wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200504687U CN201083185Y (en) | 2007-04-18 | 2007-04-18 | Small-sized wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201083185Y true CN201083185Y (en) | 2008-07-09 |
Family
ID=39625651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200504687U Expired - Lifetime CN201083185Y (en) | 2007-04-18 | 2007-04-18 | Small-sized wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201083185Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148543A (en) * | 2010-01-20 | 2011-08-10 | 西门子公司 | Magnetic component for rotor assembly |
| WO2015066986A1 (en) * | 2013-11-07 | 2015-05-14 | 广州红鹰能源科技有限公司 | Horizontal-axis wind turbine |
| CN109404214A (en) * | 2018-12-27 | 2019-03-01 | 象山宏强电气制造有限公司 | A kind of high speed rotation wind-driven generator that horizontal axis follows the wind |
-
2007
- 2007-04-18 CN CNU2007200504687U patent/CN201083185Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148543A (en) * | 2010-01-20 | 2011-08-10 | 西门子公司 | Magnetic component for rotor assembly |
| WO2015066986A1 (en) * | 2013-11-07 | 2015-05-14 | 广州红鹰能源科技有限公司 | Horizontal-axis wind turbine |
| CN109404214A (en) * | 2018-12-27 | 2019-03-01 | 象山宏强电气制造有限公司 | A kind of high speed rotation wind-driven generator that horizontal axis follows the wind |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Small-sized Wind power generator and its assembly method Effective date of registration: 20111116 Granted publication date: 20080709 Pledgee: Industrial Bank Limited by Share Ltd Guangzhou Dongshan Branch Pledgor: Guangzhou Hongying Technology Co., Ltd. Registration number: 2011990000439 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130315 Granted publication date: 20080709 Pledgee: Industrial Bank Limited by Share Ltd Guangzhou Dongshan Branch Pledgor: Guangzhou Hongying Technology Co., Ltd. Registration number: 2011990000439 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Small-sized Wind power generator and its assembly method Effective date of registration: 20131101 Granted publication date: 20080709 Pledgee: Industrial Bank Limited by Share Ltd Guangzhou Dongshan Branch Pledgor: Guangzhou Hongying Technology Co., Ltd. Registration number: 2013990000814 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU HY ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU HONGYING TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 510460 Guangdong Province, Guangzhou Huadu District Yongfa Road No. 10 Patentee after: GUANGZHOU HY ENERGY TECHNOLOGY CO., LTD. Address before: 510640 Science Park, National University, South China University of Technology, Guangzhou, Guangdong, Tianhe District Patentee before: Guangzhou Hongying Technology Co., Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20141203 Granted publication date: 20080709 Pledgee: Industrial Bank Limited by Share Ltd Guangzhou Dongshan Branch Pledgor: Guangzhou Hongying Technology Co., Ltd. Registration number: 2013990000814 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080709 |
|
| CX01 | Expiry of patent term |