CN203423567U - Compact type electric generator - Google Patents
Compact type electric generator Download PDFInfo
- Publication number
- CN203423567U CN203423567U CN201320536127.6U CN201320536127U CN203423567U CN 203423567 U CN203423567 U CN 203423567U CN 201320536127 U CN201320536127 U CN 201320536127U CN 203423567 U CN203423567 U CN 203423567U
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- rear end
- end cover
- generator according
- end cap
- electric generator
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a compact type electric generator which is provided with an electric generator front end cover, an electric generator body and an electric generator rear end cover in turn in an assembling way. The electric generator body comprises a magnetic steel ring, a magnetic yoke and an axial-flow fan in turn in the assembling way. A groove of a middle part of a rear end cover body is provided with an electronic frequency converter. The annular internal wall of the rear end cover body is provided with multiple air inlets. Each air inlet is internally provided with multiple flow leading channels which are formed by separation of multiple flow guiding plates so that inlet air can be led to the electronic frequency converter and then led into a motor. With application of a rear cover integrating a fan cover, and the electronic frequency converter is installed inside the groove of the middle part of the rear end cover body so that the electronic frequency converter and the rear end cover are designed into an integrated whole. A heat radiation system of the motor rear end cover is adopted so that a special cooling fan and an installation base of the electronic frequency converter are saved, aerodynamic efficiency of the axial-flow fan is enhanced, weight is reduced, installation process is reduced, manufacturing cost is lowered and portability of the product is greatly enhanced.
Description
Technical field
The utility model belongs to the technical field of generator, refers in particular to a kind of compact generator.
Background technology
General generator has comprised front end of shield, generator main body, commutator end bearing support bracket, fan housing, the each several part generating that closely cooperated.But during reality is used, whole generator volume is excessive, manufacturing cost increases, and takes up an area greatly, not portable carrying, and, in the use of generator, as reduced body volume, mean that heat-dissipating space reduces, and needs to improve radiating efficiency.In addition, generator need to be changed front end housing according to the demand of single shaft, twin shaft, generator without bearing, very inconvenient.
Summary of the invention
The purpose of this utility model is to provide a kind of compact generator for the problems referred to above, makes it solve existing volume excessive, and manufacturing cost increases, and takes up an area greatly, and the problem of portable carrying does not have good heat dissipation simultaneously, is applicable to the generator of various modes.
The purpose of this utility model is realized by following technical scheme: a kind of compact generator, be equipped with successively front end of shield, generator main body, commutator end bearing support bracket, described generator main body has comprised the magnetic steel ring of assembling successively, yoke, aerofoil fan, in described rear end cap body central slot, frequency-variable electronic device is set, on rear end cap body annular inner wall, offer some air inlets, some sluice ways are set in each air inlet, sluice way is separated by some bafflers, sluice way in air inlet and rear end cap body annular inner wall form inside air channel, air intake can be drained into and on frequency-variable electronic device, introduce again motor internal.
The length of the baffler on described sluice way is half of rear end cap inwall axial height, and so, air inlet place can form certain air quantity space, thereby the diversed plate extruding of air intake further increases flow velocity.
Further, described air inlet is made as four, these four air inlets distribute along arcs such as rear end cap body annular inner walls, make air intake more evenly inwardly drain into easily on frequency-variable electronic device, simultaneously, further make rear end cap body central slot be more square groove, being convenient to set conventional shape is foursquare frequency-variable electronic device.
The described rear end cap body back side arranges some heat radiation reinforcements, further strengthens the heat radiation of rear end cap.
Described back end cover for motor reinforcement and back end cover for motor are one-body molded, increase the intensity of rear end cap, make fan housing more reliability and durability.
Described front end of shield, it comprises columnar front end housing body, front end housing body is comprised of front end housing cover plate and cylindrical shell, and ventilating opening is all set on front end housing cover plate and cylindrical shell, place, front end housing cover plate axle center establishes a through hole, one baffle ring is set in through hole, and baffle ring and cylinder inboard wall are bearing chamber along the spatial placement forming away from front end housing cover plate direction.
The ventilating opening of described front end housing cover plate setting is fan-shaped ventilating opening, and the ventilating opening arranging on front end housing cylindrical shell is bar shaped ventilating opening, adopts fan-shaped and bar shaped ventilating opening can make fabulous increase area of dissipation, meets the requirement of permanent magnet bearing-free hydro-generator ventilation.
Described motor shaft flow fan, it comprises a circular central hub, and several flabellums of circular central hub cylindrical sidewall distribution, these flabellums radially extend along the circumference of this circular central hub, be used for towards axial blow air, the air intake surface of described each flabellum overlaps each other with the outlet air surface axial space projection that is adjacent flabellum, and overlapping interval is between 0 ° ~ 15 ° of circular central hub cylindricals.The cross one another flabellum of axial space projection is arranged, can play and effectively prevent that air from flowing backwards, and increases the effect of blast, guarantees that air flows to motor winding and iron core direction, strengthens the radiating effect of motor internal.
Described motor shaft flow fan outer end is connected to baffle liner, and the end of baffle liner fixed engagement flabellum, under the effect of baffle liner, is convenient to air-flow and is unlikely to outer loose along pipe distribution water conservancy diversion, forms closed loop air inlet, and blade is had to fastening effect.
Described circular central hub, some flabellums and baffle liner are integral type structure, guarantee that it can keep close structure to fix in high strength is rotated, and strengthens the life-span.
The utility model is by having adopted the bonnet of fan housing integrated, frequency-variable electronic device is contained in rear end cap body central slot, frequency-variable electronic device and rear end cap are designed to integral body, adopt the heat radiation system of back end cover for motor, cooling fan and the mounting seat of the special use of frequency-variable electronic device have been saved, a heat radiation system has solved two heat dissipation problems, realized the requirement of motor and the integrated design of frequency converter, greatly reduce the spatial volume of system, adopted the setting of multipurpose front end housing simultaneously, make to be applicable to single-bearing, duplex bearing, generator demand without bearing, also improved the structure of aerofoil fan, eliminated the phenomenon flowing backwards in the gap of air between flabellum, thereby increase blast, improved the aerodynamic efficiency weight reduction simultaneously of aerofoil fan, reduce installation process, reduce manufacturing cost, greatly improve the portability of product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is assembling schematic diagram of the present utility model;
Fig. 3 is the Facad structure schematic diagram of the utility model commutator end bearing support bracket;
Fig. 4 is the backsight structural representation of the utility model commutator end bearing support bracket;
Fig. 5 is the utility model commutator end bearing support bracket body D-D position sectional structure schematic diagram of Fig. 3;
Fig. 6 is the perspective view of the utility model commutator end bearing support bracket body;
Fig. 7 is the utility model front end of shield Facad structure schematic diagram;
Fig. 8 is the utility model front end of shield perspective view;
Fig. 9 is the structural representation of the utility model aerofoil fan;
Figure 10 is the utility model Axial-flow Fan structural representation.
Embodiment
As shown in Fig. 1 ~ Fig. 4, a kind of compact generator, from left to right comprised successively front end of shield 1, generator main body 2, commutator end bearing support bracket 3, described generator main body 2 has comprised magnetic steel ring 4, yoke 5, aerofoil fan 6, described rear end cap body 3, in rear end cap body central slot, 7 arrange frequency-variable electronic device 8, on rear end cap body annular inner wall 9, offer some air inlets 10, each air inlet 10 is interior arranges some sluice ways 11, sluice way 11 is separated by some bafflers 12, sluice way 11 in air inlet 10 forms inside air channel with rear end cap body annular inner wall 9, air intake can be drained into and on frequency-variable electronic device, introduce again motor internal.Wherein magnetic steel ring 4 is fixed on front end of shield 1 by screw, and yoke 5 is fixed on magnetic steel ring 4, and aerofoil fan is fixed in yoke 5, commutator end bearing support bracket 3 directly with front end of shield 1 fastening, by screw, fixed
As shown in Figure 5, the length L of the baffler on described sluice way is half of rear end cap inwall axial height H, and so, air inlet place can form certain air quantity space, thereby the diversed plate extruding of air intake further increases flow velocity.
Further, described air inlet is made as four, these four air inlets distribute along arcs such as rear end cap body annular inner walls, make air intake more evenly inwardly drain into easily on frequency-variable electronic device 8, simultaneously, further make rear end cap body central slot be more square groove, being convenient to set conventional shape is foursquare frequency-variable electronic device 8.
As shown in Figure 6, described rear end cap body 3 back sides arrange some heat radiation reinforcements 13, further strengthen the heat radiation of rear end cap.
Described back end cover for motor reinforcement 13 is one-body molded with back end cover for motor, increases the intensity of rear end cap, makes fan housing more reliability and durability.
As shown in Fig. 7 ~ Fig. 8, a kind of motor front end cover, it comprises columnar front end housing body 1, front end housing body is comprised of front end housing cover plate 14 and cylindrical shell 15, and on front end housing cover plate 14 and cylindrical shell 15, ventilating opening is all set, front end housing cover plate 14 places, axle center establish a through hole 16, and a baffle ring 17 is set in through hole, and baffle ring 17 is bearing chamber 18 with cylinder inboard wall along the spatial placement forming away from front end housing cover plate 14 directions.
The ventilating opening that described front end housing cover plate 14 arranges is fan-shaped ventilating opening 19, and the ventilating opening arranging on front end housing cylindrical shell is bar shaped ventilating opening 20, adopts fan-shaped and bar shaped ventilating opening can make fabulous increase heat radiation interview, meets the requirement of permanent magnet bearing-free hydro-generator ventilation.
As shown in Figure 9, described motor shaft flow fan 6, it comprises a circular central hub 21, and several flabellums 22 of circular central hub cylindrical sidewall distribution, these flabellums 22 radially extend along the circumference of this circular central hub, be used for towards axial blow air, the air intake surface 23 of described each flabellum overlaps each other with the outlet air surface 24 axial space projections that are adjacent flabellum, and overlapping interval is between 0 ° ~ 15 ° of circular central hub cylindricals.The cross one another flabellum of axial space projection is arranged, can play and effectively prevent that air from flowing backwards, and increases the effect of blast, guarantees that air flows to motor winding and iron core direction, strengthens the radiating effect of motor internal.
As shown in figure 10, described motor shaft flow fan outer end is connected to baffle liner 25, and the end of baffle liner fixed engagement flabellum, under the effect of baffle liner, is convenient to air-flow and is unlikely to outer loose along pipe distribution water conservancy diversion, forms closed loop air inlet, and blade is had to fastening effect.
Described circular central hub 21, some flabellums 22 and baffle liner 25 are integral type structure, guarantee that it can keep close structure to fix in high strength is rotated, and strengthens the life-span.
Claims (10)
1. a compact generator, it is characterized in that, it is equipped with front end of shield, generator main body, commutator end bearing support bracket successively, described generator main body has comprised magnetic steel ring, yoke, the aerofoil fan of assembling successively, in described rear end cap body central slot, frequency-variable electronic device is set, on rear end cap body annular inner wall, offer some air inlets, some sluice ways are set in each air inlet, sluice way is separated by some bafflers, and the sluice way in air inlet and rear end cap body annular inner wall form inside air channel.
2. a kind of compact generator according to claim 1, is characterized in that, the length of the baffler on described sluice way is half of rear end cap inwall axial height.
3. a kind of compact generator according to claim 1, is characterized in that, described air inlet is made as four, and these four air inlets distribute along arcs such as rear end cap body annular inner walls, and rear end cap body central slot is more square groove.
4. a kind of compact generator according to claim 1, is characterized in that, the described rear end cap body back side arranges some heat radiation reinforcements.
5. a kind of compact generator according to claim 4, is characterized in that, described back end cover for motor reinforcement and back end cover for motor are one-body molded.
6. a kind of compact generator according to claim 1, it is characterized in that, described front end of shield, it comprises columnar front end housing body, front end housing body is comprised of front end housing cover plate and cylindrical shell, and on front end housing cover plate and cylindrical shell, ventilating opening is all set, and place, front end housing cover plate axle center establishes a through hole, one baffle ring is set in through hole, and baffle ring and cylinder inboard wall are bearing chamber along the spatial placement forming away from front end housing cover plate direction.
7. a kind of compact generator according to claim 6, is characterized in that, the ventilating opening of described front end housing cover plate setting is fan-shaped ventilating opening, and the ventilating opening arranging on front end housing cylindrical shell is bar shaped ventilating opening.
8. a kind of compact generator according to claim 1, it is characterized in that, described generator shaft flow fan, it comprises a circular central hub, and several flabellums of circular central hub cylindrical sidewall distribution, these flabellums radially extend along the circumference of this circular central hub, the air intake surface of described each flabellum overlaps each other with the outlet air surface axial space projection that is adjacent flabellum, overlapping interval is between 0 ° ~ 15 ° of circular central hub cylindricals, and the cross one another flabellum of axial space projection is arranged.
9. a kind of compact generator according to claim 8, is characterized in that, described generator shaft flow fan outer end is connected to baffle liner, the end of baffle liner fixed engagement flabellum.
10. a kind of compact generator according to claim 8, is characterized in that, described circular central hub, some flabellums and baffle liner are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536127.6U CN203423567U (en) | 2013-08-30 | 2013-08-30 | Compact type electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536127.6U CN203423567U (en) | 2013-08-30 | 2013-08-30 | Compact type electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423567U true CN203423567U (en) | 2014-02-05 |
Family
ID=50022656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320536127.6U Withdrawn - After Issue CN203423567U (en) | 2013-08-30 | 2013-08-30 | Compact type electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414279A (en) * | 2013-08-30 | 2013-11-27 | 维尔纳（福建）电机有限公司 | Compact power generator |
| CN110454416A (en) * | 2019-09-04 | 2019-11-15 | 小狗电器互联网科技（北京）股份有限公司 | A kind of blower and dust catcher |
-
2013
- 2013-08-30 CN CN201320536127.6U patent/CN203423567U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414279A (en) * | 2013-08-30 | 2013-11-27 | 维尔纳（福建）电机有限公司 | Compact power generator |
| CN103414279B (en) * | 2013-08-30 | 2017-03-01 | 维尔纳（福建）电机有限公司 | A kind of Compact electricity generator set |
| CN110454416A (en) * | 2019-09-04 | 2019-11-15 | 小狗电器互联网科技（北京）股份有限公司 | A kind of blower and dust catcher |
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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: 20140205 Effective date of abandoning: 20171114 |