CN1046063C - Constant-voltage permanent-magnet generator and its voltage-stabilizing method - Google Patents
Constant-voltage permanent-magnet generator and its voltage-stabilizing method Download PDFInfo
- Publication number
- CN1046063C CN1046063C CN95111026A CN95111026A CN1046063C CN 1046063 C CN1046063 C CN 1046063C CN 95111026 A CN95111026 A CN 95111026A CN 95111026 A CN95111026 A CN 95111026A CN 1046063 C CN1046063 C CN 1046063C
- Authority
- CN
- China
- Prior art keywords
- voltage
- generator
- permanent magnet
- magnet generator
- control circuit
- 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
Images
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The present invention discloses a voltage-stabilizing permanent-magnet generator and a voltage-stabilizing method thereof, which relates to the voltage stabilizing of a permanent-magnet generator, and the present invention belongs to the field of electricity. The existing permanent-magnet generators have various voltage-stabilizing methods, because the limit of a structure voltage-stabilizing method, volume and weight can not be smaller and lighter, output voltage can not be suitable for electric equipment with high power frequency requirements. The present invention uses a sampling control circuit to sample voltage from the generator, after compared with voltage reference, the voltage is fed back to a pressure regulating executing agency which is composed of an executing generator, a worm and gear and a lead screw; a stator is pushed to move axially, the relative position of the stator and a rotor is changed, and thus, the density of cutting magnetic force lines of the rotor is regulated, the stabilization of generator output voltage is guaranteed by the dynamic feedback regulation course. The present invention makes the volume and the weight of the existing permanent-magnet generators much smaller and makes adaptive aspects much wider.
Description
A kind of voltage stabilization permanent magneto generator and method for stabilizing voltage thereof, the voltage stabilizing that relates to permanent magnet generator is regulated, and belongs to electricity field.
At present, the shortcoming of the voltage instability that permanent magnet generator exists, more existing solutions, as application number is a kind of voltage stabilization permanent magneto generator of 92203695.0 patent disclosures, be made up of casing, spindle pulley, stator winding and movable rotor assembly etc., its movable rotor assembly comprises that the magnetic conduction pawl utmost point, annular permanent magnet and spline, movable rotor and main shaft are spline fitted.Can axially move along main shaft jointly.Movable rotor governor motion is flown iron, connecting rod, pivot pin, extension spring etc. and is formed by centrifugal, and it fuses by connecting rod and movable rotor.This permanent magnet generator is regulated the cutting of the magnetic line of force by mechanical mode, thereby reaches the purpose of voltage stabilizing.Though above technology has solved the voltage stabilizing problem of permanent magnet generator, the method for its regulation voltage realizes by mechanical structure, so its precision of voltage regulation is not enough, can not export constant frequency, so can not be suitable for as civilian power frequency generator.
The objective of the invention is at prior art in the course of the work because the output voltage that load variations causes fluctuation can not be applicable to the defective to voltage and the harsh electrical appliance of frequency requirement greatly, a kind of new voltage stabilization permanent magneto generator and method for stabilizing voltage thereof are proposed, promptly by sampling control circuit and pressure regulation actuator, relative position according to the automatic regulator generator rotor of the variation of power load, stator changes the density of rotor cutting magnetic line, thereby output is applicable to the voltage to the demanding electrical appliance of voltage electricity frequency.
For achieving the above object, voltage stabilization permanent magneto generator of the present invention is made up of stator, rotor, worm-and-wheel gear, actuating motor and sampling control circuit, rotor is connected with the output shaft of engine, the sampling control circuit is connected with the generator voltage output, actuating motor is connected with the sampling control circuit, actuating motor drives a rhizoid thick stick by worm-and-wheel gear and does axial motion, and an end and the stator of this leading screw fix.Sampling control circuit and pressure regulation actuator two parts are formed a kind of reaction type closed-loop system.Wherein, the sampling control circuit is made up of output voltage sample circuit, voltage reference circuit, error amplification comparison circuit, motor-driven follower, electric machine speed regulation commutation drive circuit and power supply; Pressure regulation actuator is by actuating motor, worm gear, worm screw, form with the incorporate screw mandrel of generator unit stator, key, and worm and gear, leading screw are meshed, and an end of leading screw is connected with stator.Have keyway on the leading screw, under the restriction of key, the leading screw moving linearly.The sampling control circuit is connected by cable with pressure regulation actuator, and the sampling control circuit is arranged in the box-like body, and is connected with the generator output lead, and pressure regulation actuator is arranged in the generator, and is fixing with cover.The voltage-regulation voltage-stabilization procedure of this permanent magnet generator is: when voltage produces fluctuation because of some reason such as load variations, the sampling control circuit detects sampling automatically, compares, sending control signal allows pressure regulation actuator promotion stator do axial motion, adjust the coupling surface of stator and rotor, the magnetic force line cutting density of control rotor, Shu Chu voltage is stablized like this, and the rotating speed of rotor and output frequency are unaffected.
For achieving the above object, method for stabilizing voltage characteristics of the present invention are, engine, generator, pressure regulation actuator and sampling control circuit are formed in the following manner, the output shaft of engine is connected with the rotor of permanent magnet generator, the stator of permanent magnet generator is fixedlyed connected with pressure regulation actuator, and the sampling control circuit is connected with the output of permanent magnet generator; When the permanent magnet generator output voltage departed from nominal voltage, the sampling control circuit then compared the nominal voltage in this output voltage values and the reference circuit, exports an electric energy control pressure regulation actuator then; This actuator drives the permanent magnet generator machine stator and does axial motion, thereby change the coupling surface between permanent magnet generator machine stator and the rotor, make the density of rotor cutting magnetic line change, and then the output voltage values of change permanent magnet generator, because what form is a real-time closed-loop control loop, when extraneous factor has influence on the output voltage values of permanent magnet generator, the displacement of stator can be constantly regulated in this close loop control circuit, thereby the output voltage values of permanent magnet generator is stabilized on the required nominal value.
The present invention compared with prior art, its advantage is: efficient, the light advantage that has both kept permanent magnet generator, the characteristic that has automatic voltage regulation, frequency stabilization again, its pressure regulating performance is steady, can be under the constant situation of voltage waveform and frequency, change bearing power, make it to have consistent serviceability with existing power frequency generator.In addition, structural design uniqueness of the present invention, novelty, output voltage, electricity are stable frequently, are applicable to the demanding power consumption equipment of work frequency.
Fig. 1 is a principle schematic of the present invention.
Fig. 2 is a structural representation of the present invention.
Below in conjunction with embodiment to the further enumeration in addition of the present invention: the casing 1 of this permanent magnetism stable-voltage generator, rotor 2, stator 3 and engine 4 are similar with prior art.Form a kind of reaction type closed loop voltage-regulating system by sampling control circuit and pressure regulation actuator two parts.The sampling control circuit is amplified with comparison circuit 12, motor-driven follower 13, electric machine speed regulation commutation drive circuit 14 and power supply by output voltage sample circuit 11, voltage reference circuit 10, error to be formed.Leading screw 8, key 9 that pressure regulation actuator connects together by actuating motor 5, worm gear 6, worm screw 7, with generator unit stator are formed.The sampling control circuit is connected by cable with pressure regulation actuator, and the sampling control circuit is arranged in the box-like body, and is connected with the generator output lead, and pressure regulation actuator is arranged in the generator, and is fixing by cover.When the permanent magnet generator live load changes, the sampling control circuit is directly taken a sample from generator end, by voltage reference circuit, error is amplified and comparison circuit, the motor-driven follower, after the contrast of electric machine speed regulation commutation drive circuit is handled, pass the signal along to pressure regulation actuator, when the permanent magnet generator loaded work piece when output voltage is the rated voltage of 220 volts (or 110 volts), the sampling control circuit is more consistent with the reference voltage of voltage reference circuit with the output valve of sampling, error is amplified with comparison circuit output makes electric machine speed regulation commutation drive circuit be output as " 0 ", pressure regulation actuator is failure to actuate, and stator and rotor relative position are moderate; When the user reduces or increase the load electric power, to cause the fluctuation of output voltage, at this moment, the sampling control circuit detects the side-play amount of output voltage, the forward or reverse of control actuating motor, stator is moved, the magnetic resistance between corresponding change rotor and the stator, thereby the density of change rotor cutting magnetic line; Output voltage is less than normal when reference voltage, and leading screw promotes stator to be deepened to cooperate with rotor, improves output voltage, until voltage stabilizing in fiducial value, otherwise break away from rotor and make magnetic line of force change thin.The working power of control circuit is directly taken out by generator output end, provides after step-down, rectification, voltage stabilizing.
Claims (2)
1, a kind of voltage stabilization permanent magneto generator, form by stator, rotor, worm-and-wheel gear, actuating motor and sampling control circuit, it is characterized in that: rotor is connected with the output shaft of engine, the sampling control circuit is connected with the generator voltage output, actuating motor is connected with the sampling control circuit, actuating motor drives a rhizoid thick stick by worm-and-wheel gear and does axial motion, and an end and the stator of this leading screw fix.
2, a kind of method for stabilizing voltage of voltage stabilization permanent magneto generator, form by engine, generator, pressure regulation actuator and sampling control circuit, it is characterized in that: the output shaft of engine is connected with the rotor of permanent magnet generator, the stator of permanent magnet generator is fixedlyed connected with pressure regulation actuator, and the sampling control circuit is connected with the permanent magnet generator output; When the permanent magnet generator output voltage departed from nominal voltage, the sampling control circuit then compared the nominal voltage in this output voltage values and the reference circuit, exports an electric energy control pressure regulation actuator then; This actuator drives the permanent magnet generator machine stator and does axial motion, thereby change the coupling surface of the portion of permanent magnet generator machine stator and rotor, make the density of rotor cutting magnetic line change, and then the output voltage values of change permanent magnet generator, because what form is a real-time closed-loop control loop, when extraneous factor has influence on the output voltage values of permanent magnet generator, the displacement of stator can be constantly regulated in this close loop control circuit, thereby the output voltage values of permanent magnet generator is stabilized on the required nominal value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111026A CN1046063C (en) | 1995-04-28 | 1995-04-28 | Constant-voltage permanent-magnet generator and its voltage-stabilizing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111026A CN1046063C (en) | 1995-04-28 | 1995-04-28 | Constant-voltage permanent-magnet generator and its voltage-stabilizing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1134621A CN1134621A (en) | 1996-10-30 |
| CN1046063C true CN1046063C (en) | 1999-10-27 |
Family
ID=5078348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95111026A Expired - Fee Related CN1046063C (en) | 1995-04-28 | 1995-04-28 | Constant-voltage permanent-magnet generator and its voltage-stabilizing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1046063C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208853B (en) * | 2016-07-19 | 2018-11-02 | 华南理工大学 | A kind of System and method for promoting engine fuel efficiency |
-
1995
- 1995-04-28 CN CN95111026A patent/CN1046063C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1134621A (en) | 1996-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6541877B2 (en) | Wind power generation system | |
| WO1999037017A1 (en) | Variable output rotary power generator | |
| CN207200476U (en) | A kind of planetary roller screw pair electromechanical integration Linear Actuation System | |
| US4198572A (en) | Regulated apparatus for the generation of electrical energy, such as a wind generator | |
| CN108336935B (en) | Linear motor control method with cooperation of backstepping control and ESO | |
| CN104979991B (en) | A kind of adaptive continuous change permanent magnetism inner-rotor brushless motor of torque | |
| EP0561623B1 (en) | Dynamic current feedback magnetizing type shunt or series or compound DC motor-generator control circuit | |
| CN1046063C (en) | Constant-voltage permanent-magnet generator and its voltage-stabilizing method | |
| CN111277185B (en) | Method for controlling damping force of permanent magnet generator and vibration force of conical magnetic bearing in coordination mode | |
| CN207117459U (en) | Half side self-excitation type permanent-magnet speed governor | |
| CN2243733Y (en) | Voltage stabilizing permanent magnet power generator | |
| CN110635643B (en) | Power increasing and speed increasing method of brushless permanent magnet motor | |
| CN2235170Y (en) | Voltage stabilizing permanent-magnet generator | |
| CN101478204A (en) | Novel voltage stabilizing composite excitation generator | |
| US6967417B2 (en) | Variable winding generator | |
| CN2297817Y (en) | Voltage stabilizing permanent-magnet generator | |
| CN2183637Y (en) | Automatic voltage stabilizor for permanent generator | |
| CN214256034U (en) | Variable magnetic flux permanent magnet generator | |
| CN111665721A (en) | Flywheel energy storage control system design method for pulse power load regulation | |
| CN2059537U (en) | Cage-type asynchronous motor with stepless speed regulation | |
| CN212726731U (en) | Speed regulating mechanism for permanent magnet speed regulator | |
| CN215980185U (en) | Hydraulic control system of hydraulic machine | |
| CN220210281U (en) | High-power starting voltage regulating system of excitation generator | |
| CN208691067U (en) | A kind of servo motor with long service life | |
| CN2066897U (en) | Electronic speed governor executive system for diesel engine |
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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |