CN102437685A - Power generator - Google Patents
Power generator Download PDFInfo
- Publication number
- CN102437685A CN102437685A CN2011102947248A CN201110294724A CN102437685A CN 102437685 A CN102437685 A CN 102437685A CN 2011102947248 A CN2011102947248 A CN 2011102947248A CN 201110294724 A CN201110294724 A CN 201110294724A CN 102437685 A CN102437685 A CN 102437685A
- Authority
- CN
- China
- Prior art keywords
- generator
- engine
- stator
- control circuit
- rotor
- 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.)
- Pending
Links
Images
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a power generator, which comprises a stator, a rotor and a bearing. The stator is used for generating a magnetic field, the rotor is used for energy conversion, the bearing is used for supporting the rotor, the power generator is also fixedly connected with an engine, the stator of the power generator is also used as the stator of the engine, and the rotor is connected with a crankshaft flange of the engine. The invention also discloses a control circuit of the power generator. Since the stator and the rotor are commonly used by the power generator and the engine, the space can be saved, and the efficiency can be increased.
Description
Technical field
The present invention relates to a kind of generator.
Background technology
As everyone knows, in the Traditional engine electric system, generator and engine are maximum two electrical installations independently of volume and weight, and role is extremely important.But shortcomings such as ubiquity efficient is low, failure rate height.
At present, state's intrinsic motivation mainly is a series excitation formula electromagnetic engine, and this engine utilizes magnet exciting coil that magnetic field is provided, complex structure; Magnet exciting coil is connected with armature coil, the certain electric energy of magnet exciting coil consumption, and efficient is low; Burn because of heating temp is too high easily to form and open circuit or open circuit, reliability is low; Magnet exciting coil need be drawn the exciting current that lags behind from storage battery, thereby has increased reactive power, has reduced power factor.
If motivation is with the generator main silicon rectification generator, this generator produces magnetic field by the electromagnetism winding, and the electric energy through excitation winding has only part to convert the magnetic energy that is used for engine into, and most of electric energy is because excitation winding pole coil generates heat consumes.The excitation winding of rotor is prone to blow, broken string, consumed power are many, must provide exciting current to generate electricity by storage battery, and this certainly will increase cost.The silicon rectifier engine slip ring diameter that has the carbon brush slip-ring structure is big, and linear velocity is high, the carbon brush easy abrasion, and the life-span is short, and failure rate is high; Brushless silicon rectification generator has increased the magnetic field air gap, and leakage field is big, and stock utilization is low, and cost is high.
Because engine and generator mutually noninterfere on the operating time, have complementarity, according to the principle of reversibility theory of motor, control the power conversion form of motor by an electronic power converting means, become possibility for one with generator and motor are compound.This device can reduce by a motor, alleviates engine weight, save expensive real estate and reduce cost.
Summary of the invention
The technical problem that the present invention will solve is, provides a kind of engine and generator to imitate generator integrated, that alleviate engine weight, save expensive real estate and reduce cost.
Technical scheme disclosed by the invention is: a kind of generator; Comprise the stator that is used to produce magnetic field; The bearing that is used for the rotor of power conversion and is used for support rotor; The said generator engine that also is connected, the shared said motor stator of generator unit stator, described rotor links to each other with the crankshaft flange of said engine.
In generator of the present invention, said engine is a permanent magnetic brushless.
In generator of the present invention, said stator is to be riveted together after the stator monolithic punching press of 24 teeth, and 60 degree are stamped location hole at interval.
In generator of the present invention, on the body of said engine, on the body of said engine, rotor is fixed by bolts on the flange stator described stator with bolt with bolt.
In generator of the present invention, described generator, is directly imported with direct current as power supply with storage battery.
The invention also discloses a kind of control circuit of generator, be applied to realize comprise on the generator described in first technical scheme:
DC power supply: be used for input dc power;
Start control circuit: link to each other with described DC power supply, be used for said generator of starting operation and engine;
Regulator rectifier circuit: link to each other with described generator, be used for the voltage that generator produces is carried out exporting load to behind the rectifying and voltage-stabilizing or charging a battery.
In the control circuit of generator of the present invention, also comprise overvoltage crowbar, be used to protect the electric device of using of said generator.
In the control circuit of generator of the present invention, DC power supply is a storage battery.
In the control circuit of generator of the present invention, described start control circuit comprises inverter, is used for described direct current is become alternating current.
In the control circuit of generator of the present invention, described regulator rectifier circuit is a three-phase half controlled bridge controlled rectification voltage stabilizing circuit.
The generator of embodiment of the present invention and the control circuit of generator have following beneficial technical effects:
Generator and engine operation are in a system; Higher efficient (greater than 80%); Higher generator power; Support the multivoltage on-line system; Reduce noise and toxic emission, reduce material and energy resource consumption; Active vibration damping, power-assisted, braking energy feedback; Reduce the vibration of engine; Extra electric torque is provided; Desirable hybrid power implementation.
Description of drawings
Fig. 1 is a kind of generator part sectioned view of the embodiment of the invention;
Fig. 2 is the control circuit structure block diagram of a kind of generator of the embodiment of the invention.
Embodiment
By specifying technology contents of the present invention, structural feature, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
By common practise; We can know: generator is the same with engine principles; All be in stator core slot, to be placed with the coil that A, B, C three-phase and coil turn equate, on the rotor core groove, also have coil to divide the N utmost point and the S utmost point, the direct current when the outside can produce the magnetic line of force on rotor coil after brush, slip ring feed rotor coil; The direction of this magnetic line of force from the N utmost point to the S utmost point; When generator amature is driven with the rotation of n1 (3000 rpms) speed by turbine rotor, be equivalent to this rotor magnetic line and also rotating with the speed of n1, this process is produced induced electromotive force (induced voltage) by the stator coil cutting in stator coil; Generator is connected back output generating with load on the circuit of outside, this is basic principle.
What send like this is alternating current, will add a rectifier rectification when needing direct current and make it to become direct current.Engine speed is unstable simultaneously, also will add a voltage regulator and be used for burning voltage.
See also Fig. 1,, comprising at a kind of generator part sectioned view of the present invention:
Generator frame 1, rotor 2, stator 3, flange set bolt 4, ring flange 5, stator set bolt 6, positioning spacer 7 and engine 8.Stator 3 is used to produce magnetic field; Rotor 2 is to be used for power conversion; There is a bearing (not marking among the figure) to be used for support rotor 2; Generator frame 1 engine 2 that is connected, generator unit stator 3 is through the stator of stator set bolt 6 and positioning spacer 7 shared engines 2, and rotor 2 is connected through flange set bolt 4 with the crankshaft flange 5 of engine mutually.This direct effect of bringing is: save belt drive system and expansion tightening wheel, avoided mechanical wear and impact, reduced the weight of whole system.
Further, engine 8 is a permanent magnetic brushless.Permanent magnetic brushless has obtained certain application as engine with generator, among the present invention, transform it as starting-generating system, and this scheme can make full use of the existing power supply device, and is little to the system reform.Along with the development of high-performance power electronic device and modern control technology, many high-performance semiconductor power devices occur in succession, and the appearance of the rare earth permanent-magnetic material of high magnetic energy, for solid foundation has been established in the extensive use of permanent magnetic brushless.Permanent magnetic brushless has the similar torque control characteristic of traditional direct current machine, is easy to control.
Based on above advantage, permanent magnetic brushless is particularly suitable for the starting-generating integration device as engine of the present invention.
In generator of the present invention, stator 3 is to be riveted together after the stator monolithic punching press of 24 teeth, and 60 degree are stamped location hole at interval.
Further.Generator, is directly imported with direct current as power supply with storage battery.After using the 24V direct current to accomplish starting, generator charges a battery through rectifying and voltage-stabilizing.
The course of work of this generator is: when piloting engine 8 the time, engine 1 motor is as electric operation, and engine 8 is load, and motor converts electrical energy into mechanical energy, drives engine 8 work, gets into operating state voluntarily when rotating speed reaches certain value rear engine 8; Behind proceed-to-send, engine 8 transfers prime mover to, and generator 1 beginning normal power generation converts mechanical energy into electric energy, charges a battery or supplies power to other power consumption equipments through voltage stabilizing, rectification.
See also Fig. 2, the control circuit of a kind of generator of the embodiment of the invention comprises: DC power supply 10, start control circuit 20, generator 30, engine 40, regulator rectifier circuit 50 and load 60.Wherein, DC power supply 10 is used for input dc power; Start control circuit 20 is used for linking to each other with DC power supply 10, is used for starting operation generator 30 and engine 40; Regulator rectifier circuit 50: link to each other with DC power supply 10, be used for the voltage that generator 30 produces is carried out exporting load 60 regulator rectifier circuits to behind the rectifying and voltage-stabilizing: link to each other with described generator or charge for DC power supply 10.
In the control circuit of generator of the present invention, also comprise overvoltage crowbar, be used to protect the electric device of using of said generator.
In the control circuit of generator of the present invention, DC power supply 10 is a storage battery.
In the control circuit of generator of the present invention, start control circuit 20 comprises inverter, is used for described direct current is become alternating current.
In the control circuit of generator of the present invention, regulator rectifier circuit 50 is a three-phase half controlled bridge controlled rectification voltage stabilizing circuit.
Among the present invention, engine is equivalent to brshless DC motor when starting, and should have that response speed is fast, starting torque is big, and possesses the performance that nominal torque can be provided from zero rotating speed to rated speed.Whole system,, is sent into and must direct voltage be changed into three-phase voltage by inverter before the motor coil and drive engine directly with direct current input as power supply with storage battery.The inverter control mode has two kinds: two or two conduction modes and three or three conduction modes.Here control the stator "on" position of the motor of engine with two or two conduction modes.The power original paper is taken all factors into consideration, and should select low internal resistance, switch is rapid, dynamic response is fast, working range is big original paper for use.
The starting-generating system that generator of the present invention and engine are supporting unites two into one engine and generator in the tradition comparison, and concrete beneficial effect is:
Volume is little, and is little to existing product change, is convenient to installation and maintenance; The external rotor of flywheel-type, and the fractional-slot stator design makes it that comparison large starting moment arranged; Higher efficient; Higher generator power; Support the multivoltage on-line system; Reduce noise and toxic emission, reduce material and energy resource consumption; Active vibration damping, power-assisted, braking energy feedback; Reduce the vibration of engine; Extra electric torque is provided; Desirable hybrid power implementation.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. generator; Comprise the stator that is used to produce magnetic field, the bearing that is used for the rotor of power conversion and is used for support rotor is characterized in that: the said generator engine that also is connected; The shared said motor stator of generator unit stator, described rotor links to each other with the crankshaft flange of said engine.
2. generator according to claim 1 is characterized in that, said engine is a permanent magnetic brushless.
3. generator according to claim 1 is characterized in that, said stator is to be riveted together after the stator monolithic punching press of 24 teeth, and 60 degree are stamped location hole at interval.
4. generator according to claim 3 is characterized in that, on the body of said engine, rotor is fixed by bolts on the flange described stator with bolt.
5. generator according to claim 1 is characterized in that, described generator, is directly imported with direct current as power supply with storage battery.
6. the control circuit of a generator is applied to it is characterized in that on the described generator of claim 1, comprising:
DC power supply: be used for input dc power;
Start control circuit: link to each other with described DC power supply, be used for the starting operation engine;
Regulator rectifier circuit: link to each other with described generator, be used for the voltage that generator produces is carried out exporting load to behind the rectifying and voltage-stabilizing or charging a battery.
7. the control circuit of generator according to claim 6 is characterized in that, also comprises overvoltage crowbar, is used to protect the electric device of using of said generator.
8. the control circuit of generator according to claim 6 is characterized in that, DC power supply is a storage battery.
9. the control circuit of generator according to claim 6 is characterized in that, described start control circuit comprises inverter, is used for described direct current is become alternating current.
10. the control circuit of generator according to claim 6 is characterized in that, described regulator rectifier circuit is a three-phase half controlled bridge controlled rectification voltage stabilizing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102947248A CN102437685A (en) | 2011-09-27 | 2011-09-27 | Power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102947248A CN102437685A (en) | 2011-09-27 | 2011-09-27 | Power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102437685A true CN102437685A (en) | 2012-05-02 |
Family
ID=45985600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102947248A Pending CN102437685A (en) | 2011-09-27 | 2011-09-27 | Power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102437685A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2424566Y (en) * | 2000-04-30 | 2001-03-21 | 邢顺新 | Power set |
| WO2008059681A1 (en) * | 2006-11-15 | 2008-05-22 | Mitsubishi Electric Corporation | Hybrid engine assist system for vehicle |
| CN101603458A (en) * | 2009-07-11 | 2009-12-16 | 阳雷鸣 | Automobile-use carries the efficient generating apparatus of starting motor function |
| CN102055345A (en) * | 2011-01-12 | 2011-05-11 | 芜湖瑞科技术有限公司 | Frequency converter for digital generator set |
| CN102182554A (en) * | 2011-03-31 | 2011-09-14 | 潘世澄 | Fuel oil generator set of hybrid electric vehicle |
| CN202231650U (en) * | 2011-09-27 | 2012-05-23 | 上海北星实业有限公司 | Generator |
-
2011
- 2011-09-27 CN CN2011102947248A patent/CN102437685A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2424566Y (en) * | 2000-04-30 | 2001-03-21 | 邢顺新 | Power set |
| WO2008059681A1 (en) * | 2006-11-15 | 2008-05-22 | Mitsubishi Electric Corporation | Hybrid engine assist system for vehicle |
| CN101603458A (en) * | 2009-07-11 | 2009-12-16 | 阳雷鸣 | Automobile-use carries the efficient generating apparatus of starting motor function |
| CN102055345A (en) * | 2011-01-12 | 2011-05-11 | 芜湖瑞科技术有限公司 | Frequency converter for digital generator set |
| CN102182554A (en) * | 2011-03-31 | 2011-09-14 | 潘世澄 | Fuel oil generator set of hybrid electric vehicle |
| CN202231650U (en) * | 2011-09-27 | 2012-05-23 | 上海北星实业有限公司 | Generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102195427B (en) | Two-stage hybrid excitation brushless synchronous motor | |
| Chen et al. | Implementation of the three-phase switched reluctance machine system for motors and generators | |
| EP2251953B1 (en) | Genset system with energy storage for transient response | |
| CN103001423B (en) | Internal-external double-stator electro-magnetic double-salient starter generator | |
| CN104578661A (en) | Axially-distributed double-salient-pole brushless DC motor | |
| CN104242580A (en) | Variable winding starter generator for automobile | |
| CN100440686C (en) | Centrifugal permanent-magnet starting generating equip ment | |
| CN101183804A (en) | Three-phase external rotor electric excitation biconvex pole wind power generator | |
| CN102832767B (en) | Parallel hybrid excitation brushless direct-current fault-tolerant motor | |
| CN202231650U (en) | Generator | |
| Liu et al. | Operation principle and topology structures of axial flux-switching hybrid excitation synchronous machine | |
| CN106787545B (en) | A kind of double-stator magneto resistance brushless wind generator of three electrical ports | |
| CN202798333U (en) | Automobile transmission shaft generator | |
| US20170018943A1 (en) | Power generation device utilizing renewable natural energy | |
| CN108649856B (en) | Doubly salient electro-magnetic motor function feedback system and control method | |
| WO2010118905A2 (en) | Apparatus for injecting current | |
| Sharma et al. | Optimized motor selection for various hybrid and electric vehicles | |
| CN103475112A (en) | Switched reluctance generator | |
| CN203942288U (en) | A kind of double-fed wind generator AC and DC grid-connected system | |
| CN202663349U (en) | Wind power generating unit with third harmonic power supply and controlled rotary transformation | |
| CN202034875U (en) | Permanent-magnet brush AC synchronous generator of combined excitation mode | |
| CN102437685A (en) | Power generator | |
| CN2829207Y (en) | Rare earth permanent starting generator | |
| TWI463068B (en) | Synchronous generator for direct driving wind power/tide | |
| CN204992810U (en) | Engine for welding machine rotor do not have generator of winding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120502 |