CN1054340A - The differential variable-frequency generating set - Google Patents
The differential variable-frequency generating set Download PDFInfo
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- CN1054340A CN1054340A CN 90101004 CN90101004A CN1054340A CN 1054340 A CN1054340 A CN 1054340A CN 90101004 CN90101004 CN 90101004 CN 90101004 A CN90101004 A CN 90101004A CN 1054340 A CN1054340 A CN 1054340A
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Abstract
The present invention relates to a kind of permanent power variable-frequency power generation unit.This unit adopts the electromechanical integration mode; Shunting is rotated, by engine (threephase asynchronous machine or internal combustion engine) low-power continuous variable transmission.(electromagnetic type or mechanical type) planetary differential forms from lock control mechanism and differential variable-frequency generator coupling.The stator of differential variable-frequency generating set is controlled from lock control mechanism by differential type, can rotate in the same way with rotor.The relative velocity of rotor and stator can be done infinitely variable speeds by buncher.Therefore the electric current that sends of generating set can be made stepless frequency conversion, is directly used in variable-frequency and variable-speed motor.This set structure compactness does not have complicated electronic devices and components operation, is suitable for the medium and small generator group.
Description
The present invention relates to a kind of variable-frequency power generation unit.Belong to the generating equipment technical field.
The frequency conversion Variable Speed Technology is the emerging advanced technology of the eighties in the world.Extensively adopt for industrially-advanced country.The existing Yin Jin And of China begins to promote.But the variable frequency power supply of international popular is to adopt the three-phase alternating-current supply of fixed frequency to pass through the electronic devices and components frequency conversion.Therefore the quality of components and parts directly affects the stability of variable frequency power supply frequency.And influence the stability of electric network source frequency.The import components and parts cost an arm and a leg at present.Homemade component quality is not high.Useful life is very short, and maintenance specification requirement height.Investment is big, so the variable-frequency and variable-speed technology is popularized very big difficulty in addition in an all-round way in China.
The purpose of this invention is to provide a kind of differential variable-frequency generating set.Can send the variable frequency power supply that can make stepless frequency conversion by this generating set, directly power supply machine uses.Its frequency and frequency conversion amplitude be step-less adjustment arbitrarily.
Technical scheme of the present invention is to adopt the electromechanical integration mode: the shunting drive technology, form from lock control mechanism and differential generator four parts by engine (comprising threephase asynchronous machine) stepless speed changing mechanism is differential.
Concrete structure of the present invention and transmission connection relation are as follows:
By the shunting of the output axle head of engine: with shaft coupling 1. (clutch) central shaft 2. make generator rotor 3. with the output shaft coupling of engine.And does rotation synchronously; The input component that buncher is installed on power machine output shaft in addition 4. (driving link) 5. is enclosed within outside the above-mentioned central shaft with a sleeve in addition.The Passive part that the one end the is equipped with buncher 6. other end is installed the 7. differential output planetary gear from lock control mechanism of differential input component pivoted arm from lock control mechanism and is 8. 9. connect with the stator of differential generator.All mechanism is all in same axis running.(accompanying drawing one), differential is the small teeth difference planetary mechanism of process repacking from lock control mechanism.The method of repacking is the lining that a particular curve is installed in the input rotary arm bearing of few tooth difference mechanism.Its effect is to make the moment that is transmitted by the generator gap.The active force that is produced changes the direction of application point.Make big portion masterpiece be used in the pivot of tumbler shaft.Thereby reach its self-locking action (being its one-directional rotation effect that has self-locking worm gear to pay).(accompanying drawing two)
The following describes operation principle of the present invention.
The rotor and the engine of differential type generator are synchronous.And the stator of generator is rotatable.Its rotating speed is subjected to the low-power continuous variable transmission output speed by differential control from lock control mechanism.Can do infinitely variable speeds.The relative rotation speed of generator amature and stator promptly is subjected to the control of buncher and can does infinitely variable speeds.Realize the frequency conversion of generator by the relative velocity of this change rotor and stator.
The stator of frequency conversion generator is subjected to the rotor effect a moment of torsion identical with its direction of rotation, and it acts on the output of differential self-locking mechanism, and the gear ring of differential self-locking mechanism is fixed on the support, because the self-locking action of mechanism can not be rotated stator.It is also the highest to make the relative velocity of rotor and stator reach the frequency of peak (being the rotating speed of engine) generator.When the needs frequency conversion, only need drive the back buncher, buncher transfers a little moment of torsion from engine.Its size equals to overcome differential frictional resistance from lock control mechanism.(frictional resistance of gear mesh and bearing).Differential attachment gets final product release.The stator of generator is the rotating speed speed change on demand.The relative velocity of itself and rotor constantly reduces.Generator frequency reduces too.Its mechanical loss only is the friction loss of mechanism.
It is reasonable that permanent difference power dynamic formula variable-frequency power generation unit has compact conformation, and steadily reliably, the frequency conversion scope is big, the mechanical efficiency height in running.The circuit of no multiple electronic devices and components.Operation and maintenance are convenient, and the operation automation of should multi-machine interaction being more convenient for is suitable for medium and small generating set.
Patent application of the present invention is that patent No. is: the series application of 87,202,399 0 87,205,626 0 88106928 No. 0 patent applications.
Claims (2)
1, a kind of permanent difference power dynamic formula variable-frequency power generation unit.The rotor that it is characterized in that generator is all rotatable; Its rotor is Shuaied Zhou And by the output shaft coupling of shaft coupling (or clutch) with engine by center Gong.Rotate synchronously with engine.The output of stator and the few tooth difference mechanism with auto-lock function connects and controlled by it.The input component of few tooth difference mechanism, the output of eccentric pivoted arm and stepless speed changing mechanism connects.And the output shaft coupling of the input component of stepless speed changing mechanism and engine and rotation synchronously.The speed variable of the output of buncher is being controlled the stator rotating speed of generating set from lock control mechanism by few tooth difference.Make the rotating speed of stator can do infinitely variable speeds.Stator and rotor rotate in the same way.Its relative rotation speed is the frequency conversion mechanism of generating set.
2, press the permanent difference power dynamic formula variable-frequency power generation unit of claim 1.It is characterized in that having cover and eccentric shaft that a particular curve is installed in the eccentric rotary arm bearing of few tooth difference controlling organization of auto-lock function.The cover of this particular curve and eccentric shaft can only drive planetary gear by eccentric pivoted arm for few tooth difference mechanism.And planetary gear can not drive the one-way driving mechanism of eccentric pivoted arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90101004 CN1054340A (en) | 1990-02-24 | 1990-02-24 | The differential variable-frequency generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90101004 CN1054340A (en) | 1990-02-24 | 1990-02-24 | The differential variable-frequency generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1054340A true CN1054340A (en) | 1991-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90101004 Pending CN1054340A (en) | 1990-02-24 | 1990-02-24 | The differential variable-frequency generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1054340A (en) |
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| CN1976180B (en) * | 2006-12-14 | 2010-05-26 | 天津市新源电气科技有限公司 | Variable speed variable frequency pneumatic electric machine and excitation control system |
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-
1990
- 1990-02-24 CN CN 90101004 patent/CN1054340A/en active Pending
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