CN111384817A - Oil-electricity hybrid power generation system - Google Patents
Oil-electricity hybrid power generation system Download PDFInfo
- Publication number
- CN111384817A CN111384817A CN201811630638.8A CN201811630638A CN111384817A CN 111384817 A CN111384817 A CN 111384817A CN 201811630638 A CN201811630638 A CN 201811630638A CN 111384817 A CN111384817 A CN 111384817A
- Authority
- CN
- China
- Prior art keywords
- outer rotor
- output shaft
- power generation
- generation system
- oil
- 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- Withdrawn
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 21
- 239000000446 fuel Substances 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000004146 energy storage Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/04—Starting of engines by means of electric motors the motors being associated with current generators
-
- 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
- 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
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to the technical field of generators and is used for generating electricity. It discloses an oil-electricity hybrid power generation system, includes: the fuel engine comprises an output shaft, the output shaft is fixedly connected with the outer rotor, and the inner stator is positioned inside the outer rotor; the outer rotor generates a rotating magnetic field, the inner stator comprises a winding iron core and a fixing seat for fixing the winding iron core, and the winding iron core is connected with a power line. The fuel engine is used as a power source, an output shaft of the fuel engine is fixedly connected with the outer rotor to produce a rotating magnetic field, a winding in the inner stator generates induction current by cutting a magnetic induction line, and the induction current is output to an electric load through a power line.
Description
Technical Field
The invention belongs to the technical field of generators, and particularly relates to an oil-electricity hybrid power generation system.
Background
Conventional power generation systems are generally composed of a stator, a rotor, an end cover, and bearings, wherein the stator is composed of a stator core, windings, a housing, and other structural members for fixing these components, and the rotor is composed of rotor core (or magnetic pole, yoke) windings, a retaining ring, a center ring, slip rings, a fan, and a rotating shaft. The outer stator and the inner rotor of the generator are connected and assembled by the bearing and the end cover, so that the inner rotor can rotate in the outer stator and cut magnetic lines of force, and therefore induced potential is generated and is led out through the wiring terminal and connected in a loop, and current is generated.
Disclosure of Invention
The invention aims to provide an oil-electricity hybrid power generation system which is a new power generation mode, has a wider application range and generates more stable alternating current.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an oil-electric hybrid power generation system comprising: the fuel engine comprises an output shaft, the output shaft is fixedly connected with the outer rotor, and the inner stator is positioned inside the outer rotor; the outer rotor generates a rotating magnetic field, the inner stator comprises a winding iron core and a fixing seat for fixing the winding iron core, and the winding iron core is connected with a power line.
Preferably, the fuel engine further comprises a housing, the fixing seat is fixed to the housing, the outer rotor comprises a flywheel and a permanent magnet, and the flywheel is fixedly connected with one end of the output shaft.
Preferably, the flywheel includes an annular wall for fitting the permanent magnet pieces, a connecting shaft, and a connecting portion provided along a radial direction of the annular wall, and one end edge of the annular wall is connected to an outer peripheral surface of the connecting shaft through the radial connecting portion.
Preferably, the inner circumferential surface of the annular wall is provided with a plurality of mounting grooves, and the mounting grooves are matched with the permanent magnet sheets in an embedded manner.
Preferably, the connecting shaft is hollow inside, one end of the output shaft is provided with a coaxial threaded cavity, and the connecting shaft and the output shaft are locked and fixed through a screw rod.
Preferably, the fixing seat comprises a cylindrical part, a bearing is arranged in the cylindrical part, the bearing is sleeved on the outer peripheral surface of the connecting shaft, and the iron core winding is sleeved on the outer peripheral surface of the cylindrical part and located on the inner layer of the permanent magnet sheet.
Preferably, the starting circuit comprises an electric energy storage element and a sensor, the sensor is used for monitoring the rotating speed of the outer rotor, and the electric energy storage element is used for reversely inputting starting current to the power line.
Preferably, the power supply device further comprises a rectifying circuit, wherein the rectifying circuit is connected with the power supply line and is used for rectifying the alternating current output by the power supply line.
The invention provides an oil-electricity hybrid power generation system, which utilizes a fuel engine as a power source, wherein an output shaft of the fuel engine is fixedly connected with an outer rotor to manufacture a rotating magnetic field, a winding in an inner stator generates induction current by cutting a magnetic induction line, and the induction current is output to an electric load through a power line.
Compared with the prior art, the method has the following beneficial effects:
compared with the traditional generator, the power generation system has the advantages that the magnetic field density of the outer rotor can be changed by changing the outer rotor, and the application range is wider.
The combination of the fuel engine, the outer rotor and the inner stator can make the generator smaller, and the generator is suitable for being applied to power systems of models such as aeromodelling, ships and the like to provide a long-term energy source.
And thirdly, the flywheel and the permanent magnet pieces are combined to provide an outer rotor with larger inertia, and compared with the alternating current generated by the traditional inner rotor, the generated alternating current is more stable.
Drawings
FIG. 1 is an exploded view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an outer rotor and an inner stator in an embodiment of the present invention;
FIG. 3 is a perspective view of a flywheel in an embodiment of the present invention;
FIG. 4 is a perspective view of an embodiment of the present invention;
in the figure: 11-flywheel, 12-permanent magnet sheet, 13-inner stator, 14-fixed seat, 15-bearing, 112-connecting part, 113-annular wall, 114-connecting shaft, 115-counter bore, 20-fuel engine, 21-spark plug, 22-radiating fin, 23-exhaust pipe, 24-air inlet, 25-oil pipe interface, 26-base, 27-shell, 28-fixed column, 29-output hole.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example (b):
as shown in fig. 1 to 3, an oil-electric hybrid power generation system includes: the fuel engine 20 comprises an output shaft, the output shaft is a traditional crankshaft in the engine, the output shaft extending out of the output hole 29 is fixedly connected with the outer rotor, and the inner stator 13 is positioned in the outer rotor; the outer rotor is driven by the output shaft to generate a rotating magnetic field, the inner stator 13 includes a winding core and a fixing seat 14 for fixing the winding core, and the winding core is connected with a power line (not shown in the figure). The power generation system and the traditional power generation system both utilize the principle of electromagnetic induction to generate alternating current, but the difference is that a structure with an external rotor is used, the external rotor generates a rotating magnetic field, the internal stator is fixed with the shell of a fuel engine, and the function that a winding iron core cuts a magnetic induction line to generate the alternating current is realized under the driving of the engine.
Specifically, the fixed seat 14 is fixed on the outer casing 27 of the fuel engine at the end of the output hole 29, the outer rotor comprises the flywheel 11 and the permanent magnet 12, and the flywheel 11 is connected and fixed with the exposed output shaft.
The flywheel 11 includes an annular wall 113 for embedding the permanent magnet pieces 12, a connecting shaft 114, and a connecting portion 112 disposed along the radial direction of the annular wall 113, and one end edge of the annular wall 113 is connected to the outer peripheral surface of the connecting shaft 114 through the connecting portion 112 disposed along the radial direction. The area enclosed in the annular wall 113 is the stator accommodating area, and a gap is formed between the connecting parts 112, so that ventilation and heat dissipation are facilitated.
The inner peripheral surface of the annular wall 113 is provided with a plurality of mounting grooves, and the mounting grooves are embedded and matched with the permanent magnet sheets 12. The permanent magnet pieces 12 are rectangular magnets, and the magnetism of each magnet is the same.
Preferably, the coupling shaft 114 is hollow, a coaxial threaded cavity is arranged at one end of an output shaft (not shown in the figure), a countersunk hole 115 is arranged in the coupling shaft 114, and a screw is inserted into the countersunk hole and locked and fixed with the threaded cavity, so that the flywheel 11 and the output shaft of the engine can be installed and fixed.
Correspondingly, the fixing seat 14 includes a cylindrical portion, a coaxial bearing 15 with interference fit is arranged inside the cylindrical portion, an inner peripheral surface of the bearing 15 is sleeved on an outer peripheral surface of the connecting shaft 114, and the iron core winding is sleeved on the outer peripheral surface of the cylindrical portion and is located in the accommodating area of the inner layer of the permanent magnet sheet to align with the outer rotor. The outer shell 27 has four fixing posts 28 at its peripheral edge, and the bottom of the cylindrical portion is fixed in the posts 28 by screwing. The bearing 15 can fix the connecting shaft 114 from the middle part thereof, so that the gap between the inner stator 13 and the outer rotor is kept constant, and the output of the alternating current is more stable.
In the above power generation system, the starting mode of the engine is preferably that a starting circuit is arranged in a PCB control board (not shown in the figure), the starting circuit includes an electric energy storage element and a sensor, wherein the electric energy storage element may be a super capacitor or a rechargeable lithium battery, and the sensor is used for monitoring the rotation speed of the rotor, the rotation speed of the outer rotor is the same as the angular speed of the crankshaft of the engine, and when the outer rotor reaches a set rated rotation speed, the starting circuit is powered off. The electric energy storage element is used for reversely inputting starting current to a power line, the power line is connected with an enameled wire winding in a stator core, when starting current enters, the action of ampere force can be generated in the magnetic field of an outer rotor to enable a connecting shaft 114 to rotate and drive an output shaft of an engine to rotate, oxygen enters at the end of an air inlet 24, gasoline or other fuel enters at an oil pipe interface 25, mixed fuel enters a combustion chamber of the engine to be compressed and is ignited by a spark plug 21 to generate deflagration, waste gas is discharged from an exhaust pipe 23, and the starting of the fuel engine is realized. In order to accelerate the heat dissipation from the engine housing, several parallel arranged cooling fins 22 are provided outside the combustion chamber, and an impeller fan is also provided at the engine base 26.
The power line of the power generation system is divided into two parts, one part is connected to the starting circuit for starting the engine, and the other part is connected to the rectifying circuit for rectifying the alternating current output by the power line into direct current.
Based on the power generation system, the power generation system is applied to models of aircrafts, ships and the like which need electricity, so that the power loads such as power systems, lighting systems, circuit components and the like are output, and the models of aircrafts, ships and the like can run for a long time.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (8)
1. An oil-electric hybrid power generation system characterized by comprising: the fuel engine comprises an output shaft, the output shaft is fixedly connected with the outer rotor, and the inner stator is positioned inside the outer rotor; the outer rotor generates a rotating magnetic field, the inner stator comprises a winding iron core and a fixing seat for fixing the winding iron core, and the winding iron core is connected with a power line.
2. The hybrid oil-electric power generation system according to claim 1, wherein: the fuel engine further comprises a shell, the fixing seat is fixed with the shell, the outer rotor comprises a flywheel and a permanent magnet sheet, and the flywheel is fixedly connected with one end of the output shaft.
3. The hybrid oil-electric power generation system according to claim 2, wherein: the flywheel comprises an annular wall for embedding the permanent magnet sheets, a connecting shaft and a connecting part arranged along the radial direction of the annular wall, and the edge of one end of the annular wall is connected with the peripheral surface of the connecting shaft through the radial connecting part.
4. A hybrid oil-electric power generating system according to claim 3, characterized in that: the inner peripheral surface of the annular wall is provided with a plurality of mounting grooves which are matched with the permanent magnet sheets in an embedded mode.
5. A hybrid oil-electric power generating system according to claim 3, characterized in that: the connecting shaft is hollow inside, a coaxial threaded cavity is formed in one end of the output shaft, and the connecting shaft and the output shaft are locked and fixed through screws.
6. A hybrid oil-electric power generating system according to claim 3, characterized in that: the permanent magnet motor is characterized in that the fixing seat comprises a cylindrical part, a bearing is arranged in the cylindrical part, the bearing is sleeved on the outer peripheral surface of the connecting shaft, and the iron core winding is sleeved on the outer peripheral surface of the cylindrical part and located on the inner layer of the permanent magnet sheet.
7. The hybrid oil-electric power generation system according to claim 6, wherein: the starting circuit comprises an electric energy storage element and a sensor, the sensor is used for monitoring the rotating speed of the outer rotor, and the electric energy storage element is used for reversely inputting starting current to the power line.
8. The hybrid oil-electric power generating system according to claim 7, wherein: the rectifier circuit is connected with the power line and used for rectifying the alternating current output by the power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630638.8A CN111384817A (en) | 2018-12-29 | 2018-12-29 | Oil-electricity hybrid power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630638.8A CN111384817A (en) | 2018-12-29 | 2018-12-29 | Oil-electricity hybrid power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111384817A true CN111384817A (en) | 2020-07-07 |
Family
ID=71217163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811630638.8A Withdrawn CN111384817A (en) | 2018-12-29 | 2018-12-29 | Oil-electricity hybrid power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111384817A (en) |
-
2018
- 2018-12-29 CN CN201811630638.8A patent/CN111384817A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8820286B2 (en) | Lightweight portable electric generator with integrated starter/alternator | |
| US5838085A (en) | Versatile AC dynamo-electric machine | |
| CN104659959A (en) | Belt-Driven Starter-Generator | |
| EP2518864A2 (en) | Synchronous brushless multipolar machine having immobile armature and field windings | |
| US20180123427A1 (en) | Electricity generation device with low power consumption | |
| CN1055576C (en) | Versatile AC dynamo-electric machine | |
| CN210867465U (en) | Generator and power generation system | |
| CN100440686C (en) | Centrifugal permanent magnet starter generator | |
| EP0712545B1 (en) | Versatile ac dynamo-electric machine | |
| DE50109547D1 (en) | ROTARY ENGINE | |
| CN111384817A (en) | Oil-electricity hybrid power generation system | |
| CN212535865U (en) | Strong magnetic coupling high-power generation system of micro turbojet engine | |
| CN106787436B (en) | Flywheel type generator | |
| CN216564818U (en) | Magneto structure of single-cylinder diesel generator and single-cylinder diesel generator | |
| US6570279B2 (en) | Heat sink plate of alternator for vehicle | |
| Bumby et al. | Axial flux, permanent magnet, generators for engine integration | |
| CN209488377U (en) | A kind of electric mixed electricity generation system of oil | |
| US7211988B2 (en) | Method for constant-current generation and device used to carry out said method | |
| CN108923573A (en) | A kind of multifunctional leather belt motor | |
| WO2022161518A2 (en) | Dual-acting electric motor | |
| KR20230039303A (en) | Permanent Magnet Generator System | |
| CN206211804U (en) | A kind of distance increasing unit outer rotor generator structure | |
| TWM493815U (en) | Rotor structure and integrated activation type motor-generator applying the rotor structure | |
| AU685815B2 (en) | Versatile ac dynamo-electric machine | |
| CN113300508B (en) | A variable speed rotating shaft stable power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: Area C7, 4th floor, building F, No. 288, Airport East Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province 519090 Applicant after: ZHUHAI SHANGFEI AVIATION SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: Room 205, factory building 6, west of Shuanghu North Road, north side of Zhuhai Avenue, Hongqi Town, Jinwan District, Zhuhai City, Guangdong Province Applicant before: ZHUHAI SHANGFEI AVIATION SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200707 |
|
| WW01 | Invention patent application withdrawn after publication |