CN102832780B - Variable frequency generator - Google Patents
Variable frequency generator Download PDFInfo
- Publication number
- CN102832780B CN102832780B CN201210306207.2A CN201210306207A CN102832780B CN 102832780 B CN102832780 B CN 102832780B CN 201210306207 A CN201210306207 A CN 201210306207A CN 102832780 B CN102832780 B CN 102832780B
- Authority
- CN
- China
- Prior art keywords
- induction coil
- coil group
- generator
- voltage
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a variable frequency generator which comprises a generator body, a rotating speed controller, a direct-current power source and a control module. The generator body comprises a central bearing, the direct-current power source outputs first voltage and second voltage, the control module comprises a voltage conversion circuit, a logic circuit and a plurality of electromagnetic relays, the rotating speed controller comprises two permanent magnets fixed onto the central bearing and a plurality of induction coil groups, the voltage conversion circuit converts the first voltage output by the direct-current power source into alternating-current signals with variable frequency to be sent to the logic circuit which outputs a plurality of control signals with variable frequency to corresponding electromagnetic relays to enable the electromagnetic relays to be sequentially started, and consequently, corresponding induction coil groups are connected to generate induction magnetic fields to drive the two permanent magnets to rotate to drive the central bearing to rotate, and the generator body generates alternating current with variable frequency.
Description
Technical field
The present invention relates to electrical generator fields, particularly relate to a kind of frequency conversion generator.
Background technology
Frequency conversion generator has the features such as consumptive material is few, noise is little, oil consumption is low, power is large, has obtained increasing user favor.Traditional frequency conversion generator realizes the frequency conversion function of frequency conversion generator by frequency converter, frequency converter in the frequency conversion generator of this kind of structure involves great expense, cause the cost of frequency conversion generator high, and traditional frequency conversion generator utilizes Diesel Driven centre bearing rotate thus make electrical power generators, can produce large quantity of exhaust gas easily cause environmental pollution with diesel power generation.
Summary of the invention
In view of the above circumstances, be necessary that providing a kind of can reduce costs and the frequency conversion generator of environmental protection.
According to an aspect of the present invention, the frequency conversion generator provided, comprise generator main body, DC power supply, control module and rotational speed governor, generator main body comprises centre bearing, DC power supply comprises the first voltage output end and the second voltage output end, control module comprises and is connected voltage conversion circuit with the first voltage output end of DC power supply, the logical circuit be connected with voltage conversion circuit and the some electromagnetic relays be connected with logical circuit and DC power supply second voltage output end, rotational speed governor comprises two permanent magnets being fixed on centre bearing and some and some electromagnetic relays and is connected and induction coil group for driving permanent magnet to rotate, the first voltage transition that DC power supply exports by voltage conversion circuit becomes the AC signal of frequency change to be sent to logical circuit, logical circuit exports the some electromagnetic relays controlling signal to correspondence of some frequency change, open successively to make some electromagnetic relays, and the electromagnetic relay formerly opened is disconnected when opening one of them electromagnetic relay, electromagnetic relay is opened and is made corresponding induction coil group conducting, the induction coil group of conducting produces induced field and drives two permanent magnet rotatings, permanent magnet rotating drives centre bearing to rotate, generator main body produces the alternating current of frequency change.
In some embodiments, voltage conversion circuit is the V/F translation circuit be made up of LM chip and peripheral circuit.
In some embodiments, the first voltage transformation that DC power supply exports can also be become the AC signal of frequency-invariant by voltage conversion circuit, thus makes generator main body send the alternating current of constant frequency.
In some embodiments, some electromagnetic relay numbers are four, corresponding induction coil group is four groups, comprise the first induction coil group, the second induction coil group, the 3rd sense induction coil group and the 4th induction coil group, logical circuit exports the first control signal, the second control signal, the 3rd control signal and the 4th control signal to four electromagnetic relays, make the unlatching successively of four electromagnetic relay circulations, and when opening one of them electromagnetic relay, disconnect the electromagnetic relay formerly opened.
In some embodiments, first induction coil group, the second induction coil group, the 3rd induction coil group and the 4th induction coil group include two symmetrically arranged induction coils, induction coil arrangement ringwise, two the first permanent magnets are positioned at the annular of induction coil formation, the annular that centre bearing is formed through induction coil.
In some embodiments, the first induction coil group is tilted to the left placement, the second induction coil group horizontal positioned, and the 3rd induction coil group is tilted to the right placement, and the 4th induction coil group is vertically placed.
In some embodiments, between two adjacent induction coils, spacing is identical.
In some embodiments, centre bearing is magnetic suspension bearing.
The DC power supply of frequency conversion generator of the present invention becomes the control signal of frequency change by the first voltage transition that DC power supply exports by voltage conversion circuit and logical circuit, frequency conversion generator is made to realize the function of variable-frequency power generation, the second voltage transition that DC power supply is exported by the induction coil group in rotational speed governor by another frequency conversion generator of the present invention becomes magnetic energy, drive two permanent magnet rotatings in rotational speed governor, thus frequency conversion generator is generated electricity, make frequency conversion generator of the present invention DC power supply can be transformed into alternating current, environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of frequency conversion generator of the present invention;
Fig. 2 is the structural representation of the rotational speed governor in Fig. 1;
Fig. 3 is the block diagram of control module in Fig. 1.
Embodiment
Below in conjunction with drawings and the specific embodiments, explanation is described in further detail to invention.
Please refer to Fig. 1, frequency conversion generator of the present invention comprises casing (not shown), generator main body 10, rotational speed governor 20, DC power supply 30 and control module 40.Generator main body 10, rotational speed governor 20 and control module 40 are all contained in casing.
Generator main body 10 is alternating current generator, comprises housing 12, main magnetic level (not shown), excitation winding (not shown), armature core (not shown), armature coil winding (not shown), track (not shown) and centre bearing 14.Main magnetic level, excitation winding, armature core, armature coil winding, track and centre bearing 14 are installed in housing 12 according to existing mode.Centre bearing 14 is installed with armature core, armature coil winding.Centre bearing 14 comprises first end and second end relative with first end.The first end of centre bearing 14 and the second end pass the two opposite sides of housing 12.In the present embodiment, centre bearing 14 is magnetic suspension bearing.In other embodiments, centre bearing 14 can be mechanical bearing or jewel bearing.
Please refer to Fig. 2, rotational speed governor 20 comprises multipair induction coil group and two permanent magnets 22.Multipair induction coil group comprises the first induction coil group 1, second induction coil group 2, the 3rd induction coil group 3 and the 4th induction coil group 4.First induction coil group 1, second induction coil group 2, the 3rd induction coil group 3 and the 4th induction coil group 4 include two symmetrically arranged induction coils 26.Induction coil 26 circular array, and between adjacent two induction coils 26, spacing is identical.First induction coil group 1 is tilted to the left placement.Second induction coil group 2 horizontal positioned.3rd induction coil group 3 is tilted to the right placement.4th induction coil group 4 is vertically placed.Two permanent magnets 22 are positioned at the annular of induction coil 26 formation, and the S of two permanent magnets 22 is extremely relative.The first end of centre bearing 14 passes the annular of induction coil 26 formation.The N pole initial condition of two permanent magnets 22 is alignd with the induction coil 26 of the first induction coil group 1.Two permanent magnets 22 are fixed on the first end of centre bearing 14.
In present embodiment, DC power supply 30 is solar cell.
Refer to Fig. 3, control module 40 comprises voltage conversion circuit 42, logical circuit 44 and four electromagnetic relays 46.DC power supply 30 is DC power supply, comprises the first voltage output end and the second voltage output end.Voltage conversion circuit 42 comprises input and output.Logical circuit 44 bag input, the first output, the second output, the 3rd output and the 4th output.First voltage output end of DC power supply 30 is connected with the input of voltage conversion circuit 42.The output of voltage conversion circuit 42 is connected with the input of logical circuit 44.First output of logical circuit 44, the second output, the 3rd output and the 4th output are connected with four electromagnetic relays 46 respectively.The input of four electromagnetic relays 46 is connected with the second voltage output end of DC power supply 30.The moving contact of four electromagnetic relays 46 is connected with the defeated end of the second voltage of DC power supply 30.The fixed contact of four electromagnetic relays 46 be connected (not shown) with the first induction coil group 1, second induction coil group 2, the 3rd induction coil group 3 and the 4th induction coil group 4 respectively.In present embodiment, voltage conversion circuit 42 is the V/F translation circuit be made up of LM331 chip and peripheral circuit.
During use, the first voltage of the first voltage output end output of DC power supply 30 becomes the first AC signal through voltage conversion circuit 42 and sends logical circuit 44 to.Then the first output of logical circuit 44, the second output, the 3rd output and the 4th output correspondence exports the first control signal, the second control signal, the 3rd control signal and the 4th control signal to four electromagnetic relays 46.In the present embodiment, the first control signal, the second control signal, the 3rd control signal and the 4th control signal are clock square wave.The frequency of the first control signal, the second control signal, the 3rd control signal and the 4th control signal is identical with the frequency of the first AC signal.First control signal, the second control signal, the 3rd control signal and the 4th control signal make electromagnetic relay 46 conducting when high level.
First control signal, the first control signal, the second control signal, the 3rd control signal and the 4th control signal make electromagnetic relay 46 conducting successively, and the electromagnetic relay 46 in first conducting after an electromagnetic relay 46 conducting wherein disconnects.Electromagnetic relay 46 successively conducting time, first induction coil group 1, second induction coil group 2, the 3rd induction coil group 3 and the 4th induction coil group 4 conducting successively, and the first induction coil group 1, second induction coil group 2, the 3rd induction coil group 3 and the 4th induction coil group 4 can disconnect along with the electromagnetic relay 46 of correspondence and disconnect.First induction coil group 1, second induction coil group 2, the 3rd induction coil group 3 and the 4th induction coil group 4 conducting successively, the second voltage that the second voltage output end of DC power supply 30 exports makes the side of induction coil 26 phase second permanent magnets 12 in the first induction coil group 1, second induction coil group 2, the 3rd induction coil group 3 and the 4th induction coil group 4 produce S pole field.Second permanent magnet 12 is N pole in the face of the end face of induction coil 26, and the S pole field of the generation in induction coil group produces attraction to the N of the second permanent magnet 12, drives the second permanent magnet 12 to rotate.Second permanent magnet 12 drives centre bearing 14 to rotate, and generator main body 10 starts generating.Be energized successively time of one-period of the time that second permanent magnet 12 rotates one week and the first induction coil group 1, second induction coil group 2, the 3rd induction coil group 3 and the 4th induction coil group 4 is identical, and namely the second permanent magnet 12 and centre bearing 14 frequency of rotating is identical with the frequency of the first AC signal.Because voltage conversion circuit 42 is the V/F translation circuits be made up of LM331 chip and peripheral circuit, therefore the frequency of the first AC signal of voltage conversion circuit 42 output can regulate.When the frequency-invariant of the first AC signal that voltage conversion circuit 42 exports, the frequency-invariant that centre bearing 14 rotates, the electric voltage frequency that generator main body 10 sends is constant.When the frequency of the first AC signal that voltage conversion circuit 42 exports does not stop change, the frequency that centre bearing 14 rotates changes along with the frequency change of the first AC signal, the electric voltage frequency that generator main body 10 sends also in change, namely achieves the function of frequency conversion generator variable-frequency power generation of the present invention.
The control module 40 of frequency conversion generator of the present invention becomes the control signal of frequency change by the first voltage transition that DC power supply 30 exports by voltage conversion circuit 42 and logical circuit, make the frequency change that the induction coil group in rotational speed governor 20 is opened, thus the rotating speed of two permanent magnets 12 in fast controller is changed, and then centre bearing 14 rotating speed of frequency conversion generator is changed, and the voltage conversion circuit 42 of frequency conversion generator of the present invention is cheap, the cost of frequency conversion generator effectively can be reduced.
Understandable, the second voltage transition that DC power supply 30 is exported by the induction coil group in rotational speed governor 20 by frequency conversion generator of the present invention becomes magnetic energy, two permanent magnets 12 in rotational speed governor 20 are driven to rotate, thus frequency conversion generator is generated electricity, make frequency conversion generator of the present invention DC power supply 30 can be transformed into alternating current, environmental protection.
Claims (8)
1. frequency conversion generator, it is characterized in that, comprise generator main body (10), DC power supply (30), control module (40) and rotational speed governor (20), described generator main body (10) comprises centre bearing (14), described DC power supply (30) comprises the first voltage output end and the second voltage output end, described control module (40) comprises and is connected voltage conversion circuit (42) with the first voltage output end of described DC power supply (30), the logical circuit (44) be connected with described voltage conversion circuit (42) and the some electromagnetic relays (46) be connected with described logical circuit (44) and described DC power supply second voltage output end, described rotational speed governor (20) comprises two permanent magnets (12) of being fixed on described centre bearing and some and some electromagnetic relays (46) and is connected and induction coil group for driving permanent magnet (22) to rotate, the first voltage transition that described DC power supply (30) exports becomes the AC signal of frequency change to be sent to described logical circuit (44) by described voltage conversion circuit (42), described logical circuit (44) exports the some electromagnetic relays (46) controlling signal to correspondence of some frequency change, open successively to make some electromagnetic relays (46), and the electromagnetic relay (46) formerly opened is disconnected when opening one of them electromagnetic relay (46), electromagnetic relay (46) is opened and is made corresponding induction coil group conducting, the induction coil group of conducting produces induced field and drives the rotation of two permanent magnets (22), permanent magnet (12) rotates and drives described centre bearing (14) to rotate, described generator main body (10) produces the alternating current of frequency change.
2. frequency conversion generator as claimed in claim 1, it is characterized in that, described voltage conversion circuit (42) is the V/F translation circuit be made up of LM331 chip and peripheral circuit.
3. frequency conversion generator as claimed in claim 2, it is characterized in that, the first voltage transformation that described DC power supply (30) export can also be become the AC signal of frequency-invariant by described voltage conversion circuit (42), thus makes described generator main body (10) send the alternating current of constant frequency.
4. frequency conversion generator as claimed in claim 1, it is characterized in that, some electromagnetic relays (46) number is four, corresponding induction coil group is four groups, comprise the first induction coil group (1), second induction coil group (2), 3rd sense induction coil group and the 4th induction coil group (4), described logical circuit (44) exports the first control signal, second control signal, 3rd control signal and the 4th controls signal to four electromagnetic relays (46), make the unlatching successively that four electromagnetic relays (46) are circulated, and when opening one of them electromagnetic relay (46), disconnect the electromagnetic relay (46) formerly opened.
5. frequency conversion generator as claimed in claim 4, it is characterized in that, described first induction coil group (1), described second induction coil group (2), described 3rd induction coil group (3) and described 4th induction coil group (4) include two symmetrically arranged induction coils (26), induction coil (26) arrangement ringwise, two the first permanent magnets (22) are positioned at the annular that induction coil (26) is formed, the annular that described centre bearing is formed through induction coil (26).
6. frequency conversion generator as claimed in claim 4, it is characterized in that, described first induction coil group (1) is tilted to the left placement, second induction coil group (2) horizontal positioned, 3rd induction coil group (3) is tilted to the right placement, and described 4th induction coil group (4) is vertically placed.
7. magnetic suspension generator as claimed in claim 4, it is characterized in that, between two adjacent induction coils (26), spacing is identical.
8. the frequency conversion generator as described in claim 1-5 any one, is characterized in that, described centre bearing (14) is magnetic suspension bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210306207.2A CN102832780B (en) | 2012-08-27 | 2012-08-27 | Variable frequency generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210306207.2A CN102832780B (en) | 2012-08-27 | 2012-08-27 | Variable frequency generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102832780A CN102832780A (en) | 2012-12-19 |
| CN102832780B true CN102832780B (en) | 2014-12-17 |
Family
ID=47335788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210306207.2A Expired - Fee Related CN102832780B (en) | 2012-08-27 | 2012-08-27 | Variable frequency generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102832780B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106294A (en) * | 2006-07-16 | 2008-01-16 | 万德鸿 | High-speed self started frequency conversion generator |
| CN101207353A (en) * | 2007-11-09 | 2008-06-25 | 泰豪科技股份有限公司 | Parallel device of asynchronization electric frequency conversion power set |
| CN102185399A (en) * | 2011-05-31 | 2011-09-14 | 陈维加 | Multipolar electric excitation frequency-conversion power generator |
| CN203071790U (en) * | 2012-08-27 | 2013-07-17 | 韩明亮 | Variable-frequency generator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5349020B2 (en) * | 2008-11-25 | 2013-11-20 | 三菱電機株式会社 | Generator starter |
-
2012
- 2012-08-27 CN CN201210306207.2A patent/CN102832780B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106294A (en) * | 2006-07-16 | 2008-01-16 | 万德鸿 | High-speed self started frequency conversion generator |
| CN101207353A (en) * | 2007-11-09 | 2008-06-25 | 泰豪科技股份有限公司 | Parallel device of asynchronization electric frequency conversion power set |
| CN102185399A (en) * | 2011-05-31 | 2011-09-14 | 陈维加 | Multipolar electric excitation frequency-conversion power generator |
| CN203071790U (en) * | 2012-08-27 | 2013-07-17 | 韩明亮 | Variable-frequency generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102832780A (en) | 2012-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106100283B (en) | Independent winding dual-side flat plate type permanent-magnetism linear motor | |
| CN103532454B (en) | The control method of two-phase brushless exciter in three grades of formula starting/generating system starting-generating processes | |
| EP0696391A1 (en) | Motor-generator using permanent magnets | |
| CN202334220U (en) | Hybrid rotor brushless synchronous motor | |
| CN103166402A (en) | Magnetism insulating reluctance and short circuit cage integrated rotor brushless electro-magnetic synchronous motor | |
| CN110601482A (en) | Axial magnetic field flywheel pulse synchronous generator system | |
| CN203071790U (en) | Variable-frequency generator | |
| CN102832780B (en) | Variable frequency generator | |
| RU2470442C2 (en) | Electromagnet motor | |
| KR20100007359A (en) | Electric generator with fixing plate comprising segmented magnets and rotary disk having segmented coil | |
| CN103078458A (en) | Stator-free brushless dual-rotor outer ring permanent magnet synchronous motor with rotating controller | |
| CN205081602U (en) | Low -cost high power density permanent magnet motor of single concentrated winding of annular | |
| CN205081600U (en) | Duplex winding mixed excitation permanent magnet motor of annular yoke portion | |
| CN105207435B (en) | A kind of low cost high powered density permanent magnetic motor of simplex winding | |
| CN203911602U (en) | Magnetic circuit complementary type stator duplex feeding brushless AC synchronous motor | |
| CN205753907U (en) | There is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection | |
| CN106026591A (en) | Hybrid excitation permanent magnet motor with double excitation windings | |
| Blázquez et al. | Design and construction of a laboratory bench system for the teaching and training of engineers on diagnostics of permanent magnet motors | |
| CN104065229A (en) | Electric power generation integration inductor motor | |
| RU2722793C1 (en) | Electric power generation device | |
| CN201927468U (en) | Energy-saving power generator | |
| CN103078463A (en) | Axial magnetizing permanent magnet motor | |
| CN109962535A (en) | Permanent magnet solenoid salient pole pair and its motor with collection of energy coil | |
| CN203491799U (en) | Novel generator | |
| CN202931233U (en) | Magnetic suspension generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |