CN103023209A - Variable frequency electric generator - Google Patents
Variable frequency electric generator Download PDFInfo
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- CN103023209A CN103023209A CN2012105506468A CN201210550646A CN103023209A CN 103023209 A CN103023209 A CN 103023209A CN 2012105506468 A CN2012105506468 A CN 2012105506468A CN 201210550646 A CN201210550646 A CN 201210550646A CN 103023209 A CN103023209 A CN 103023209A
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- generator
- engine
- bent axle
- frequency conversion
- flywheel rotor
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
A variable frequency electric generator comprises a motor, a generator stator and a crankshaft on the motor, and is characterized in that a flywheel rotor located on one side of the motor is fixed on the crankshaft, the generator stator is located in the flywheel rotor and fixed on the end face of the motor, and a magnetic tile corresponding to a coil of the generator stator is arranged in the flywheel rotor. The variable frequency electric generator has the advantages of being compact in structure and low in weight. In addition, the size of the variable frequency electric generator is obviously reduced due to the fact that a component is used to replace two original components of a generator rotor and a flywheel, and the size is reduced to 50% of the size of an original electric generator; cost is obviously reduced and reduced by at least 500 yuan; the structure is compact, maintenance is convenient, the quantity of components is decreased, weight is reduced, and moving is convenient; a coil on the generator rotor is cancelled, so that copper wires are saved, wire winding is reduced, production technology is simplified, and production efficiency is improved; loads on the motor are decreased, and output power is improved obviously; and a cooling effect of the generator stator is improved.
Description
Technical field
The present invention relates to a kind of generator, particularly a kind of frequency conversion generator.
Background technology
Generator generally comprises engine, generator and flywheel, wherein, has air inlet in the engine operation process, compression, outburst and four strokes of exhaust, the effect of flywheel is absorbed energy under the outburst stroke of engine, air inlet at engine, release energy under compression and the instroke, increase the rotatory inertia of engine to guarantee the uniformity of rotating speed, be used for reducing the velocity perturbation of machine operation process, the rotating speed that prevents engine from low to high and unexpected variation from high to low, reach control engine even running purpose, therefore, essential Flywheel on the engine crankshaft.
In existing gasoline engine generator, generator amature is installed in an end of engine crankshaft by the casing of generator, generator unit stator is installed on the end face of engine, generator amature is positioned at generator unit stator, flywheel is installed in the other end of engine crankshaft, it is two kinds of functions that realize respectively counterweight and generating by flywheel and two parts of generator amature, wherein, and in order to guarantee the uniformity of engine speed, reach control engine even running purpose, it is solid discoid that flywheel adopts that cast iron process forms, makes the size of flywheel larger, and the rotor of generator and stator dimensions are also larger, make the size of master section larger, obviously increased the volume of generator complete machine, the size of complete machine is large, and required material is also more, obviously increased cost, also very heavy, be not easy to when using out of doors move, the rotor of generator is provided with winding, it winds the line complicated, production process is loaded down with trivial details, needs a large amount of copper cash, has further increased cost of labor and material cost.
In order to reduce volume, be convenient for carrying, the generator that small volume is also arranged now, but it also is an end that generator amature is installed in engine crankshaft by the casing of generator, generator unit stator is installed on the end face of engine, generator amature is positioned at generator unit stator, the other end Flywheel of engine crankshaft, just dwindled the size of master section length, two kinds of functions that realize respectively control engine even running and generating by flywheel and two parts of generator amature equally, flywheel also is adopt that cast iron process forms solid discoid, size is larger, the volume of generator complete machine is also larger, still there is load in the two ends of engine crankshaft, increased the required energy of complete machine revolving part, affect power output, and, it is the below that master section is installed in muffler, this lamp generating set is carrying out when air-cooled, it is first cooled engine, cool off again muffler, last cooled electric generator, near the muffler temperature is higher, roughly at 120 ℃, the temperature that generator work produces is well below the temperature of muffler, cooling air lower generator of chilling temperature again after having cooled off the higher muffler of temperature, cooling effect is poor, then not reaching the cooling to generator, cause easily in the generator temperature rise of stator winding too high, is that great negative effect is arranged to the performance of generator.
Summary of the invention
Purpose of the present invention just provides a kind of compact conformation and lightweight frequency conversion generator, and under equal power output prerequisite, volume obviously reduces, and volume is decreased to 50% of original generator volume at least, and cost significantly reduces.
The objective of the invention is to realize by such technical scheme, it comprises the bent axle on engine, generator unit stator and the engine, it is characterized in that: the intrinsic flywheel rotor that is positioned at engine one side on bent axle, generator unit stator is positioned at flywheel rotor, generator unit stator is fixed on the end face of engine, is provided with the magnetic shoe corresponding with the winding on the generator unit stator in the flywheel rotor.
Inventive point of the present invention just is: substituted original generator amature and two parts of flywheel with a flywheel rotor.That is: flywheel rotor is generator amature, it is again the flywheel of control generator even running, can realize by the weight of adjusting flywheel rotor the control to the generator even running, because the present invention has substituted original generator amature and two parts of flywheel by parts, volume obviously reduces, and volume can be decreased to 50% of original generator volume at least, because the minimizing of parts, cost significantly reduces, and weight lightens, and is convenient to move.
The generator unit stator endoporus is greater than the diameter of bent axle, during assembling, first generator unit stator is installed in by screw on the end face of a side of engine, one end of bent axle is arranged in the endoporus of generator unit stator, flywheel rotor is installed on the end of bent axle, makes flywheel rotor cover generator unit stator, the magnetic shoe on the flywheel rotor is corresponding with the winding of generator unit stator, can at side provided with fan and a kuppe of flywheel rotor, be assembled into the engine complete machine at last.The present invention is assembled into the load that has reduced the complete machine bent axle other end behind the complete machine, because volume obviously reduces, has reduced the consumption of energy, has improved power output.
The present invention in use, make first between magnetic shoe on the flywheel rotor and the generator unit stator and produce magnetic field, ato unit, by bent axle flywheel driven rotor, make flywheel rotor do the motion of cutting magnetic line, thereby produce induced potential, draw by binding post, be connected in the loop, just generation current.Adopt magnetic shoe on the flywheel rotor, cancelled the winding on the existing generator amature, the copper cash of saving has not only further reduced cost, has reduced at least 500 yuans cost, has also reduced coiling, has simplified production process, has improved production efficiency.
Owing to adopted technique scheme, the present invention to have following advantage:
(1), substituted original generator amature and two parts of flywheel by parts, volume has obviously reduced, and volume is decreased to 50% of original generator volume at least;
(2), because parts reduce, cost significantly reduces, and has reduced at least 500 yuans cost;
(3), compact conformation, be convenient to safeguard, reduced parts, alleviated weight, be convenient to move;
(4), cancelled the winding on the generator amature, the copper cash of saving has not only further reduced cost, has also reduced coiling, has simplified production process, has improved production efficiency;
(5), owing to reduced parts, reduced the consumption of energy, improved power output;
(6), master section is installed in kuppe inside, away from muffler, improved the cooling effect to generator unit stator.
Description of drawings
Description of drawings of the present invention is as follows.
Fig. 1 is the structural representation of the first embodiment of the present invention.
Fig. 2 is the first cutaway view of A-A among Fig. 1.
Fig. 3 is the second cutaway view of A-A among Fig. 1.
Fig. 4 is the structural representation of the second embodiment among the present invention.
Fig. 5 is the structural representation of flywheel rotor the first embodiment among the present invention.
Fig. 6 is the rearview of Fig. 5.
Fig. 7 is the left view of Fig. 5.
Fig. 8 is the cutaway view of B-B among Fig. 5.
Fig. 9 is the structural representation of flywheel rotor the second embodiment among the present invention.
Figure 10 is the first cutaway view of C-C among Fig. 9.
Figure 11 is the second cutaway view of C-C among Fig. 9.
Figure 12 is the structural representation of impeller the first embodiment.
Figure 13 is the rearview of Fig. 7.
Figure 14 is the right view of Fig. 7.
Figure 15 is the structural representation of impeller the second embodiment.
Figure 16 is the right view of Figure 10.
Figure 17 is the rearview of Figure 10.
Among the figure: the ⒈ engine; The ⒉ generator unit stator; The ⒊ bent axle; The ⒋ flywheel rotor; The ⒌ magnetic shoe; The ⒍ ring set; The ⒎ rotary sleeve; The ⒏ adapter sleeve; ⒐ conical ring platform; The ⒑ connecting key; The ⒒ bellmouth; The ⒓ keyway; The ⒔ retainingf key; The ⒕ connecting hole; ⒖ assembles keyway; The ⒗ impeller; The ⒘ fan leaf; The ⒙ wind scooper; The ⒚ air filter; The ⒛ muffler.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Shown in Fig. 1-11, comprise the bent axle 3 on engine 1, generator unit stator 2 and the engine, it is characterized in that: the intrinsic flywheel rotor 4 that is positioned at engine one side on bent axle 3, generator unit stator 2 is positioned at flywheel rotor 4, generator unit stator 2 is fixed on the end face of engine 1, is provided with the corresponding magnetic shoe 5 of winding of generator unit stator 2 in the flywheel rotor 4.
Inventive point of the present invention just is: substituted original generator amature and two parts of flywheel with a flywheel rotor.That is: flywheel rotor is generator amature, it is again the flywheel of control generator even running, can realize by the weight of adjusting flywheel rotor the control to the generator even running, because the present invention has substituted original generator amature and two parts of flywheel by parts, volume obviously reduces, and volume can be decreased to 50% of original generator volume at least, because the minimizing of parts, cost significantly reduces, and weight lightens, and is convenient to move.
The generator unit stator endoporus is greater than the diameter of bent axle, during assembling, first generator unit stator is installed in by screw on the end face of a side of engine, one end of bent axle is arranged in the endoporus of generator unit stator, flywheel rotor is installed on the end of bent axle, makes flywheel rotor cover generator unit stator, the magnetic shoe on the flywheel rotor is corresponding with the winding of generator unit stator, can at side provided with fan and a kuppe of flywheel rotor, be assembled into the engine complete machine at last.The present invention has reduced the load of the complete machine bent axle other end after being assembled into complete machine, owing to reduced parts, has reduced the consumption of energy, has improved power output.
The present invention in use, make first between magnetic shoe on the flywheel rotor and the generator unit stator and produce magnetic field, ato unit, by bent axle flywheel driven rotor, make flywheel rotor do the motion of cutting magnetic line, thereby produce induced potential, draw by binding post, be connected in the loop, just generation current.Adopt magnetic shoe on the flywheel rotor, cancelled the winding on the existing generator amature, the copper cash of saving has not only further reduced cost, has reduced at least 500 yuans cost, has also reduced coiling, has simplified production process, has improved production efficiency.
Shown in Fig. 5,6,7,8, flywheel rotor 4 is made of ring set 6 and rotary sleeve 7, and ring set 6 and rotary sleeve 7 are hollow and both ends open, and rotary sleeve 7 is fixed on the inwall of ring set 6, the intrinsic adapter sleeve 8 that is connected with bent axle 3 on rotary sleeve 7, magnetic shoe 5 is fixed on the inwall of rotary sleeve 7.
Shown in Fig. 9,10,11, flywheel rotor 4 is the revolving parts that are processed into interior sky and both ends open by the single piece of a circle, the intrinsic adapter sleeve 8 that is connected with bent axle 7 on revolving part, and magnetic shoe 5 is fixed on the inwall of described revolving part.
Shown in Fig. 2,4, adapter sleeve is fixed on the bent axle like this: be provided with conical ring platform 9 at bent axle 3, conical ring platform 9 positions at bent axle 3 are provided with connecting key 10, have the bellmouth 11 that matches with conical ring platform 9 on the adapter sleeve 8, inwall at bellmouth 11 is provided with the keyway 12 that matches with connecting key 10, adapter sleeve 8 is enclosed within by bellmouth on the conical ring platform 9 of bent axle, and connecting key 10 is positioned at keyway 12 and is fixed together with bent axle 3.Conical ring platform 9 in this structure cooperates with bellmouth 11 can prevent from shaking between flywheel rotor and the bent axle reliability that raising is used.
As shown in Figure 3, adapter sleeve is fixed on the bent axle like this: be provided with retainingf key 13 on the bent axle 3, have connecting hole 14 on the adapter sleeve 8, connecting hole 14 inwalls are provided with the assembling keyway 15 that matches with retainingf key 13, and adapter sleeve 8 was fixed together by assembling keyway 15 and cooperating with bent axle 3 of retainingf key 13.
Shown in Figure 12-17, in order to improve cooling effect, the intrinsic impeller 16 that is positioned at flywheel rotor 4 one sides on adapter sleeve 8.Impeller 16 is identical with the effect of fan.
Shown in Figure 12-14, be uniformly distributed with polylith fan leaf 17 on one of them side of impeller 16, be provided with ventilation notch 18 on the impeller 16.It is to be exactly single fan for this structure, forms axial flow wind, can enter in the generator amature by ventilation notch 11 cooling airs generator unit stator is cooled off.
Shown in Figure 15-17, in order to increase intake, further improve cooling effect, two sides of impeller 16 are provided with polylith fan leaf 17.
Shown in Fig. 1-4, be fixed with the wind scooper 18 that can cover impeller 16 and flywheel rotor 4 at the shell of engine 1, the air-out end of wind scooper 18 is near the cylinder head of engine.This wind scooper 18 can utilize the air quantity of impeller generation from the cylinder head of generator flow direction engine, thereby make cooling air elder generation cooled electric generator stator, flywheel rotor, the cylinder head of cooled engine again, cool off at last muffler, lower generator unit stator, the generator amature of elder generation's chilling temperature, the last higher muffler of chilling temperature has obviously improved the cooling effect to generator unit stator.
As shown in Figure 1, 2, 3, flywheel rotor 4 can be positioned at the left side of engine.Non-loaded on the bent axle on the right side of engine, obviously dwindled volume, and general muffler is the right side that is positioned at engine, this installation form can make flywheel rotor 4 away from muffler, improves the cooling effect to generator unit stator.
As shown in Figure 4, flywheel rotor 4 also can be positioned at the right side of engine.Non-loaded on the bent axle in the left side of engine, obviously dwindled volume.Can make cooling air elder generation cooled electric generator stator, flywheel rotor by wind scooper, the cylinder head of cooled engine again, cool off at last muffler, lower generator unit stator, the generator amature of elder generation's chilling temperature, the last higher muffler of chilling temperature has obviously improved the cooling effect to generator unit stator.
As shown in Figure 1, be provided with air filter 19 or muffler 20 at engine.
Claims (14)
1. frequency conversion generator, comprise the bent axle (3) on engine (1), generator unit stator (2) and the engine, it is characterized in that: at the upper intrinsic flywheel rotor (4) that is positioned at engine one side of bent axle (3), generator unit stator (2) is positioned at flywheel rotor (4), generator unit stator (2) is fixed on the end face of engine (1), is provided with the magnetic shoe (5) corresponding with the winding on the generator unit stator (2) in the flywheel rotor (4).
2. frequency conversion generator as claimed in claim 1, it is characterized in that: flywheel rotor (4) is made of ring set (6) and rotary sleeve (7), ring set (6) and rotary sleeve (7) are hollow and both ends open, rotary sleeve (7) is fixed on the inwall of ring set (6), at the upper intrinsic adapter sleeve (8) that is connected with bent axle (3) of rotary sleeve (7), magnetic shoe (5) is fixed on the inwall of rotary sleeve (7).
3. frequency conversion generator as claimed in claim 1, it is characterized in that: flywheel rotor (4) is the revolving part that is processed into interior sky and both ends open by the single piece of a circle, the intrinsic adapter sleeve (8) that is connected with bent axle (7) on revolving part, magnetic shoe (5) is fixed on the inwall of described revolving part.
4. frequency conversion generator as claimed in claim 2 or claim 3, it is characterized in that adapter sleeve is fixed on the bent axle like this: be provided with conical ring platform (9) at bent axle (3), conical ring platform (9) position at bent axle (3) is provided with connecting key (10), have the bellmouth (11) that matches with conical ring platform (9) on the adapter sleeve (8), inwall at bellmouth (11) is provided with the keyway (12) that matches with connecting key (10), adapter sleeve (8) is enclosed within by bellmouth on the conical ring platform (9) of bent axle, and connecting key (10) is positioned at keyway (12) and is fixed together with bent axle (3).
5. frequency conversion generator as claimed in claim 2 or claim 3, it is characterized in that adapter sleeve is fixed on the bent axle like this: be provided with retainingf key (13) on the bent axle (3), have connecting hole (14) on the adapter sleeve (8), connecting hole (14) inwall is provided with the assembling keyway (15) that matches with retainingf key (13), and adapter sleeve (8) was fixed together by assembling keyway (15) and cooperating with bent axle (3) of retainingf key (13).
6. frequency conversion generator as claimed in claim 4 is characterized in that: at the upper intrinsic impeller (16) that is positioned at flywheel rotor (4) one sides of adapter sleeve (8).
7. frequency conversion generator as claimed in claim 5 is characterized in that: at the upper intrinsic impeller (16) that is positioned at flywheel rotor (4) one sides of adapter sleeve (8).
8. such as claim 6 or 7 described frequency conversion generators, it is characterized in that: be uniformly distributed with polylith fan leaf (17) on one of them side of impeller (16), be provided with ventilation notch (18) on the impeller (16).
9. such as claim 6 or 7 described frequency conversion generators, it is characterized in that: two sides of impeller (16) are provided with polylith fan leaf (17).
10. frequency conversion generator as claimed in claim 8, it is characterized in that: the shell at engine (1) is fixed with the wind scooper (18) that can cover impeller (16) and flywheel rotor (4), and the air-out end of wind scooper (18) is near the cylinder head of engine.
11. such as claim 1,2,3,6,7 or 10 described frequency conversion generators, it is characterized in that: flywheel rotor (4) is positioned at the left side of engine.
12. such as claim 1,2,3,6,7 or 10 described frequency conversion generators, it is characterized in that: flywheel rotor (4) is positioned at the right side of engine.
13. frequency conversion generator as claimed in claim 11 is characterized in that: be provided with air filter (19) or muffler (20) at engine.
14. frequency conversion generator as claimed in claim 12 is characterized in that: be provided with air filter (19) and muffler (20) at engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105506468A CN103023209A (en) | 2012-12-18 | 2012-12-18 | Variable frequency electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105506468A CN103023209A (en) | 2012-12-18 | 2012-12-18 | Variable frequency electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103023209A true CN103023209A (en) | 2013-04-03 |
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ID=47971445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105506468A Pending CN103023209A (en) | 2012-12-18 | 2012-12-18 | Variable frequency electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103023209A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533830A (en) * | 2014-09-25 | 2015-04-22 | 苏州圆能动力科技有限公司 | Fan structure for electricity generator |
| CN107979229A (en) * | 2017-12-28 | 2018-05-01 | 广西玉柴机器股份有限公司 | A kind of fly wheel generator structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999062167A1 (en) * | 1998-05-26 | 1999-12-02 | Yanmar Diesel Engine Co., Ltd. | Engine generator |
| CN1295369A (en) * | 1999-11-08 | 2001-05-16 | 森山工业株式会社 | Rotor of magnetic generator for internal combustion engine |
| US20070096575A1 (en) * | 2005-11-02 | 2007-05-03 | Kokusan Denki Co., Ltd. | Flywheel magnet rotor |
| CN102280972A (en) * | 2010-06-08 | 2011-12-14 | 上海狮虎能源科技发展有限公司 | Single-power-driven digital frequency-conversion dual-generator set |
| CN202957706U (en) * | 2012-12-18 | 2013-05-29 | 重庆吉力芸峰实业(集团)有限公司 | Frequency conversion generator |
-
2012
- 2012-12-18 CN CN2012105506468A patent/CN103023209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999062167A1 (en) * | 1998-05-26 | 1999-12-02 | Yanmar Diesel Engine Co., Ltd. | Engine generator |
| CN1295369A (en) * | 1999-11-08 | 2001-05-16 | 森山工业株式会社 | Rotor of magnetic generator for internal combustion engine |
| US20070096575A1 (en) * | 2005-11-02 | 2007-05-03 | Kokusan Denki Co., Ltd. | Flywheel magnet rotor |
| CN102280972A (en) * | 2010-06-08 | 2011-12-14 | 上海狮虎能源科技发展有限公司 | Single-power-driven digital frequency-conversion dual-generator set |
| CN202957706U (en) * | 2012-12-18 | 2013-05-29 | 重庆吉力芸峰实业(集团)有限公司 | Frequency conversion generator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533830A (en) * | 2014-09-25 | 2015-04-22 | 苏州圆能动力科技有限公司 | Fan structure for electricity generator |
| CN104533830B (en) * | 2014-09-25 | 2017-05-03 | 苏州圆能动力科技有限公司 | Fan structure for electricity generator |
| CN107979229A (en) * | 2017-12-28 | 2018-05-01 | 广西玉柴机器股份有限公司 | A kind of fly wheel generator structure |
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Application publication date: 20130403 |