CN108631466A - Power generator - Google Patents
Power generator Download PDFInfo
- Publication number
- CN108631466A CN108631466A CN201810229879.5A CN201810229879A CN108631466A CN 108631466 A CN108631466 A CN 108631466A CN 201810229879 A CN201810229879 A CN 201810229879A CN 108631466 A CN108631466 A CN 108631466A
- Authority
- CN
- China
- Prior art keywords
- stator
- substrate parts
- power generator
- peripheral surface
- engine
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention provides a kind of power generator, in the case of coiler part and stator short circuit, is also reliably prevented from the formation of the short circuit paths from stator to engine.Have：Rotor (40) rotates driving by the bent axle (12) of engine (11), and rotor (40) is made of the inner peripheral surface configuration permanent magnet (43) of rotor rim (42)；Stator (30) is that have coil made of coiled electrical conductor (33) on the multiple stator cores (31) opposed with permanent magnet (43) of rotor (40) made of stacking polylith electromagnetic steel plate；And substrate parts (34), the inner circumferential in stator (30) is configured, substrate parts (34) are formed by insulating materials.
Description
Technical field
The present invention relates to a kind of power generator, the power generation more particularly to the insulation that can realize stator and engine fills
It sets.
Background technology
All the time, the power generator that the rotation of the known bent axle using engine generates electricity.
For such power generator, for example following technology was disclosed in the past：It is set with overlapping with the end face of resin hub 8
Set the conduction panel 16 contacted with metal bearing 9, conduction panel 16 by penetrate through in the axial direction the metallic screw 15 of resin hub 8 with
The conducting connection of metal mounting plate 12 (referring for example to patent document 1).
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2005-198420 bulletins
Invention content
The subject that the invention solves
It is described in the prior art, even if in resin hub configured with metal bearing, metal rotation axis, metal rotation axis
Be electrically connected with metal bearing, metal bearing via conduction panel, metallic screw, metal mounting plate and be grounded, resin hub can be prevented
Metal bearing, the electrification of metal rotation axis in portion.
However, it is described in the prior art, by the partial replacement other than magnetic circuit be resin, realize lightweight, but cannot
It is completely insulated, in the case where leading to coil with stator short circuit due to deterioration etc., short-circuit road is formed from coil to engine
Diameter may become the state for being easy to get an electric shock due to the state of connected load.
The present invention be in view of the point and complete, and it is an object of the present invention to provide a kind of power generator, coiler part with
In the case of stator short circuit, it is also reliably prevented from the formation of the short circuit paths from stator to engine.
Means for solving the problems
In order to reach the purpose, it is a feature of the present invention that having：Rotor rotates driving by the bent axle of engine,
The rotor is made of the inner peripheral surface configuration permanent magnet of rotor rim；Stator is laminated made of polylith electromagnetic steel plate,
Has coil made of coiled electrical conductor on multiple stator cores opposed with the permanent magnet of the rotor；And basal part
Part, configures the inner circumferential in the stator, and the substrate parts are formed by insulating materials.
According to the present invention, when stator is installed on engine, it is provided between the coil and engine of stator by insulating
The substrate parts that material is constituted, therefore the coiler part of stator core and engine can be made completely insulated.
It is characterized in that in the structure, the insulating materials is resin.
Substrate parts are formed by the resin of light weight as a result, therefore short circuit paths from stator to engine can be prevented
It generates, and realizes the lightweight of stator.
It is characterized in that, is formed in the inner peripheral surface of the stator for preventing the substrate parts from rotating in the structure
Protrusion.
In accordance with the invention it is possible to prevent substrate parts from being rotated relative to stator, the position of substrate parts can be kept higher
Set precision.
It is characterized in that in the structure, the reinforcement being made of metal material is provided in the inner peripheral surface of the substrate parts
Ring.
According to the present invention, in the case where being formed by resin substrate parts, the mechanical strength of substrate parts can also ensure that.
It is characterized in that in the structure, the protrusion for preventing rotation is formed in the peripheral surface of the reinforcing ring.
According to the present invention, it is formed with protrusion in the peripheral surface of reinforcing ring, therefore reinforcing ring can be prevented relative to basal part
Part rotates, and can keep the positional precision of substrate parts higher.
Be characterized in that in the structure, be formed on the substrate parts along the bent axle axially through set
Ring.
In accordance with the invention it is possible to which stator is installed on engine via lantern ring, the positioning of stator, also, energy can be carried out
Enough make coiler part and the engine of stator core completely insulated.
It is characterized in that in the structure, the strengthening portion being made of metal material is provided in the inner peripheral surface of the lantern ring
Part.
It, can be via lantern ring accurately located stator in accordance with the invention it is possible to ensure the mechanical strength of lantern ring itself.
Invention effect
It can also be prevented according to the present invention in the case where the insulation of coil is destroyed that the short circuit of magnetic circuit has occurred
Form the short circuit paths from stator core to engine.As a result, such as power generator user touch engine or
In the case of person's shell, it is also reliably prevented from user's electric shock.
Description of the drawings
Fig. 1 is the outside drawing for the embodiment for showing the power generator of the present invention.
Fig. 2 is the sectional view of the power generator of present embodiment.
Fig. 3 is the stereogram of the stator of present embodiment.
Fig. 4 is the front view of the stator of present embodiment.
Fig. 5 is the sectional view of the stator of present embodiment.
Label declaration
1：Power generator；
10：Shell；
11：Engine；
12：Bent axle；
13：Bearing；
14：Cover member；
15：Alternating current generator；
30：Stator；
31：Stator core；
33：Coil；
34：Substrate parts；
35：Ventilation hole；
36：Radiator；
40：Rotor；
41：Base portion；
42：Rotor rim；
43：Permanent magnet；
44：Cooling fan；
50、52：Protrusion；
51：Reinforcing ring；
53：Strengthening part.
Specific implementation mode
Referring to the drawings, illustrate embodiments of the present invention.
Fig. 1 is the stereogram for the appearance for showing the power generator of the present invention.Fig. 2 is the sectional view of power generator.
As shown in Figure 1, power generator 1 has the shell 10 of approximately cuboid, as shown in Fig. 2, in the inside of shell 10
Lower section is accommodated with engine 11.
Engine 11 has cylinder, combustion chamber and crankcase (not shown), can move back and forth in cylinder
Mode is accommodated with piston (not shown), is accommodated with bent axle 12 in a manner of it can rotate in crankcase.Piston and 12 profit of bent axle
It is connected to each other with connecting rod (not shown).Also, it is configured to make the rotation driving of bent axle 12, bent axle by driving engine 11
12 one end is protruded in the side of engine 11.Bent axle 12 is supported in a manner of it can rotate by bearing 13.
Cover member 14 is installed in 12 side of bent axle of engine 11, alternating current generator is accommodated in the inside of cover member 14
15。
In addition, the inner upper in shell 10 is accommodated with fuel tank 20, in the inside of shell 10 and the lower section of fuel tank 20
It is accommodated with inverter 21.
The control panel 24 for being configured with power outlet 22 or operation button 23 etc. is installed in the one side of shell 10.
Also, the upper surface of shell 10 is provided with handle 25, support housing 10 is installed in the lower surface of shell 10
Multiple feet 26.
Next alternating current generator 15 is illustrated.
As shown in Fig. 2, alternating current generator 15 has the stator 30 in the setting of the peripheral side of the bent axle 12 of engine 11.
Fig. 3 is the stereogram of stator 30.Fig. 4 is the front view of stator 30.Fig. 5 is the sectional view of stator 30.
Stator 30 is constituted by polylith electromagnetic steel plate is laminated, as shown in Figures 3 to 5, in the periphery of stator 30 along week
To being provided with radially multiple stator cores 31 outstanding at predetermined intervals.The periphery of each stator core 31 be equipped with by
Such as the bobbin winder bracket 32 of the compositions such as resin.The periphery of bobbin winder bracket 32 is provided with coil 33 made of coiled electrical conductor.
It is provided centrally with cylindric substrate parts 34 in stator 30.Substrate parts 34 are made of insulating materials, at this
In embodiment, substrate parts 34 are for example made of resin.In addition, the axial direction being formed on substrate parts 34 along bent axle 12 is passed through
Logical multiple ventilation holes 35 and the lantern ring 36 for being installed on the section circle on engine 11.
In addition, the inner peripheral surface in stator 30 is formed with multiple protrusions 50 for preventing substrate parts 34 from rotating.The protrusion
50 are formed as biting the peripheral surface of substrate parts 34.
In addition, the inner peripheral surface in substrate parts 34 is provided with the reinforcing ring 51 being made of metal material.In present embodiment
In, reinforcing ring 51 is for example formed by aluminium.It is formed in the peripheral surface of reinforcing ring 51 multiple for preventing substrate parts 34 from rotating
Protrusion 52.The protrusion 52 is formed as biting the inner peripheral surface of substrate parts 34.
In addition, the inner peripheral surface in the lantern ring 36 of substrate parts 34 is provided with the strengthening part 53 being made of metal material.
In present embodiment, strengthening part 53 is for example formed by aluminium.
In the present embodiment, stator 30 in the state that polylith electromagnetic steel plate is laminated by being punched out processing by system
It makes.Also, the inner circumferential side of the stator 30 be provided with reinforcing ring 51 and strengthening part 53 in the state of, by resin material into
Row injection molding makes stator 30, reinforcing ring 51, strengthening part 53 and substrate parts 34 be formed as one.
At this point, in the present embodiment, the inner peripheral surface of stator 30 and the peripheral surface of reinforcing ring 51 be formed with protrusion 50,
52, therefore can prevent substrate parts 34 from being rotated relative to stator 30, the positional precision of substrate parts 34 can be kept higher.
In addition, as shown in Fig. 2, alternating current generator 15 has the rotor 40 on the bent axle 12 for being installed on engine 11.
Rotor 40 has：Substantially disk-shaped base portion 41, it is opposed with the side of stator 30；And rotor rim 42,
Extend from the outer peripheral edge of base portion 41 along the peripheral surface of stator core 31.It is fixed that rotor 40 is coated by base portion 41 and rotor rim 42
The mode of son 30 is formed as cross sectional shape substantially U-shaped.
In the inner peripheral surface of rotor rim 42, it is configured at substantially equal intervals along the circumferential direction of rotor rim 42 and stator core
The opposed multiple permanent magnets 43 of 31 peripheral surface.
Also, it drives engine 11 and bent axle 12 is made to rotate, make the rotor 40 for being equipped with permanent magnet 43 in the outer of stator 30
Zhou Xuanzhuan, thus inducing current in each coil 33, is exported as electric power, to generate electricity.
In addition, the base portion 41 in rotor 40 is equipped with cooling fan 44.When rotor 40 is revolved due to the rotation of bent axle 12
When turning driving, cooling fan 44 is also driven in rotation simultaneously, and thereby, it is possible to the direction along bent axle 12 is generated relative to stator 30
Air-flow.
Next, the effect to present embodiment illustrates.
In the present embodiment, it drives engine 11 and bent axle 12 is made to rotate, rotor 40 is made to be rotated in the periphery of stator 30,
Thus inducing current in each coil 33 is exported as electric power, to generate electricity.
At this point, in the present embodiment, when stator 30 is installed on engine 11, engine is installed on via lantern ring 36
11, but the substrate parts 34 being made of insulating materials are provided between the coil of stator 30 33 and lantern ring 36 and engine 11,
Therefore 33 part of coil of stator core 31 and engine 11 can be made completely insulated.
Therefore, it in the case where the insulation of coil 33 is destroyed that the short circuit of magnetic circuit has occurred, will not be formed from fixed
Sub- iron core 31 to engine 11 short circuit paths.
As described above, in the present embodiment, having：Rotor 40 rotates driving, rotor by the bent axle 12 of engine 11
40 be made of the inner peripheral surface configuration permanent magnet 43 of rotor rim 42；Stator 30 is laminated made of polylith electromagnetic steel plate,
Have coil 33 made of coiled electrical conductor on the multiple stator cores 31 opposed with the permanent magnet 43 of rotor 40；And basal part
Part 34, configures the inner circumferential in stator 30, and substrate parts 34 are formed by insulating materials.
When stator 30 being installed on engine 11 as a result, be provided between the coil 33 and engine 11 of stator 30 by
The substrate parts 34 that insulating materials is constituted, therefore 33 part of coil of stator core 31 and engine 11 can be made completely insulated.
As a result, in the case where the insulation of coil 33 is destroyed that the short circuit of magnetic circuit has occurred, can also prevent
It is formed from stator core 31 to the short circuit paths of engine 11.As a result, user's touching in such as power generator is started
In the case of machine 11 or shell 10, it is also reliably prevented from user's electric shock.
In addition, in the present embodiment, insulating materials is resin.
Substrate parts 34 are formed by the resin of light weight as a result, therefore the short circuit from stator 30 to engine 11 can be prevented
The generation in path, and realize the lightweight of stator 30.
In addition, in the present embodiment, being formed in the inner peripheral surface of stator 30 prominent for preventing substrate parts 34 from rotating
Play 50.
Thereby, it is possible to prevent substrate parts 34 from being rotated relative to stator 30, the position of substrate parts 34 can be kept higher
Set precision.
In addition, in the present embodiment, the reinforcing ring being made of metal material is provided in the inner peripheral surface of substrate parts 34
51。
As a result, in the case where being formed by resin substrate parts 34, the mechanical strength of substrate parts 34 can also ensure that.
In addition, in the present embodiment, the protrusion 52 for preventing rotation is formed in the peripheral surface of reinforcing ring 51.
It is formed with protrusion 52 in the peripheral surface of reinforcing ring 51 as a result, therefore reinforcing ring 51 can be prevented relative to basal part
Part 34 rotates, and can keep the positional precision of substrate parts 34 higher.
In addition, in the present embodiment, be formed on substrate parts 34 along bent axle 12 axially through lantern ring 36.
Thereby, it is possible to which stator 30 is installed on engine 11 via lantern ring 36, the positioning of stator 30 can be carried out, also,
33 part of coil and the engine 11 of stator core 31 can be made completely insulated.
In addition, in the present embodiment, the strengthening part 53 being made of metal material is provided in the inner peripheral surface of lantern ring 36.
It, can be via accurately located stator 30 of lantern ring 36 thereby, it is possible to ensure the mechanical strength of of lantern ring 36 itself.
In addition, the present invention is not limited to the mode that the embodiment is recorded, the purport of the present invention can not departed from
Various modifications and changes are carried out in range.
Claims (7)
1. a kind of power generator, which is characterized in that having：
Rotor rotates driving by the bent axle of engine, which is made of the inner peripheral surface configuration permanent magnet of rotor rim；
Stator is made of stacking polylith electromagnetic steel plate, in the multiple stator iron opposed with the permanent magnet of the rotor
Has coil made of coiled electrical conductor on core；And
Substrate parts configure the inner circumferential in the stator,
The substrate parts are formed by insulating materials.
2. power generator according to claim 1, which is characterized in that
The insulating materials is resin.
3. power generator according to claim 1 or 2, which is characterized in that
It is formed with the protrusion for preventing the substrate parts rotation in the inner peripheral surface of the substrate parts.
4. according to the power generator described in any one in claims 1 to 3, which is characterized in that
The reinforcing ring being made of metal material is provided in the inner peripheral surface of the substrate parts.
5. power generator according to claim 4, which is characterized in that
It is formed with the protrusion for preventing rotation in the peripheral surface of the reinforcing ring.
6. according to the power generator described in any one in claim 1 to 5, which is characterized in that
Be formed on the substrate parts along the bent axle axially through lantern ring.
7. power generator according to claim 6, which is characterized in that
The strengthening part being made of metal material is provided in the inner peripheral surface of the lantern ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-054934 | 2017-03-21 | ||
| JP2017054934A JP6813401B2 (en) | 2017-03-21 | 2017-03-21 | Power generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108631466A true CN108631466A (en) | 2018-10-09 |
| CN108631466B CN108631466B (en) | 2020-03-20 |
Family
ID=63696116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810229879.5A Active CN108631466B (en) | 2017-03-21 | 2018-03-20 | Power generation device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6813401B2 (en) |
| CN (1) | CN108631466B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020115709A (en) * | 2019-01-17 | 2020-07-30 | 本田技研工業株式会社 | Rotary electric machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005198420A (en) * | 2004-01-07 | 2005-07-21 | Kokusan Denki Co Ltd | Outer rotor motor |
| CN101752970A (en) * | 2008-11-28 | 2010-06-23 | 日本电产三协株式会社 | Motor |
| CN204615524U (en) * | 2015-04-28 | 2015-09-02 | 中山大洋电机制造有限公司 | A kind of plastic packaging stator of external rotor electric machine and the external rotor electric machine of application thereof |
| CN105490463A (en) * | 2015-12-18 | 2016-04-13 | 惠而浦（中国）股份有限公司 | Mounting structure and mounting method for permanent magnet motor |
| CN105743258A (en) * | 2014-12-29 | 2016-07-06 | Lg伊诺特有限公司 | Stator Assembly, Motor Having The Same And Method Of Manufacturing The Same |
| CN106014617A (en) * | 2015-03-26 | 2016-10-12 | 本田技研工业株式会社 | Engine-driven generator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0727812Y2 (en) * | 1988-10-11 | 1995-06-21 | 株式会社三協精機製作所 | motor |
| JP2881528B2 (en) * | 1992-05-15 | 1999-04-12 | ミネベア株式会社 | Flat motor stator structure |
| JP3625650B2 (en) * | 1998-05-28 | 2005-03-02 | 株式会社東芝 | Motor stator |
| JP2015135105A (en) * | 2013-12-20 | 2015-07-27 | ヤマハ発動機株式会社 | Vehicular four-stroke engine unit and vehicle |
| CN105846564B (en) * | 2015-01-30 | 2020-04-21 | 德昌电机(深圳)有限公司 | Motor and stator structure thereof |
-
2017
- 2017-03-21 JP JP2017054934A patent/JP6813401B2/en active Active
-
2018
- 2018-03-20 CN CN201810229879.5A patent/CN108631466B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005198420A (en) * | 2004-01-07 | 2005-07-21 | Kokusan Denki Co Ltd | Outer rotor motor |
| CN101752970A (en) * | 2008-11-28 | 2010-06-23 | 日本电产三协株式会社 | Motor |
| CN105743258A (en) * | 2014-12-29 | 2016-07-06 | Lg伊诺特有限公司 | Stator Assembly, Motor Having The Same And Method Of Manufacturing The Same |
| CN106014617A (en) * | 2015-03-26 | 2016-10-12 | 本田技研工业株式会社 | Engine-driven generator |
| CN204615524U (en) * | 2015-04-28 | 2015-09-02 | 中山大洋电机制造有限公司 | A kind of plastic packaging stator of external rotor electric machine and the external rotor electric machine of application thereof |
| CN105490463A (en) * | 2015-12-18 | 2016-04-13 | 惠而浦（中国）股份有限公司 | Mounting structure and mounting method for permanent magnet motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6813401B2 (en) | 2021-01-13 |
| CN108631466B (en) | 2020-03-20 |
| JP2018157733A (en) | 2018-10-04 |
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