CN109617435A - A kind of electric energy conversion circuit and conversion method based on mechanical vibration - Google Patents
A kind of electric energy conversion circuit and conversion method based on mechanical vibration Download PDFInfo
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- CN109617435A CN109617435A CN201910081204.5A CN201910081204A CN109617435A CN 109617435 A CN109617435 A CN 109617435A CN 201910081204 A CN201910081204 A CN 201910081204A CN 109617435 A CN109617435 A CN 109617435A
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- electrical energy
- alternating current
- negative electrode
- vibration
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 title claims description 14
- 230000008569 process Effects 0.000 claims abstract description 4
- 230000000737 periodic effect Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 9
- 230000005686 electrostatic field Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 3
- 230000005591 charge neutralization Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000011426 transformation method Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract description 17
- 230000010358 mechanical oscillation Effects 0.000 abstract description 8
- 210000000056 organ Anatomy 0.000 abstract description 4
- 238000011217 control strategy Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/30—Conversion of AC power input into DC power output without possibility of reversal by dynamic converters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Particle Accelerators (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of transformation of electrical energy circuit and transform method based on mechanical oscillation, the walking beam is placed between positive and negative electrode, apply direct current or alternating current to be transformed on positive and negative electrode, walking beam generates periodic mechanical vibration under the common driving of electrostatic force and elastic restoring force, and it is alternately and repeatedly contacted with positive and negative electrode in the process, the adjustable alternating current of the exportable frequency in walking beam root.The present invention is using mechanical organ rather than conventional electronics carry out inversion to electric energy and frequency modulation is handled, and circuit structure is succinct, lighter in weight, control strategy are simple, application easy to spread, in particular in miniature power electronic equipment.
Description
Technical field
The present invention relates to a kind of by converting direct-current power into alternating-current power, or adjust ac frequency transformation of electrical energy circuit and
Transform method, in particular to it is a kind of using mechanical organ, transformation of electrical energy circuit and transform method based on mechanical oscillation.
Background technique
In recent years, the size of miniature power electronic equipment is smaller and smaller, and the reduction of size also makes the difficulty of transformation of electrical energy
It is increasing.Existing transformation of electrical energy technology mainly provides the alternating current of certain frequency and amplitude by two ways, a kind of
It is that the alternating current in power transmission network is subjected to transformation (transformer) and frequency modulation (frequency converter), to be energized to specific equipment；
Another kind be using inverter by DC conversion be alternating current, and can be realized conversion after ac frequency and amplitude can
It adjusts.
For miniature power electronic equipment, structure is complicated for above-mentioned inverter, transformer, frequency modulator, weight is very big, very
Hardly possible micromation, this is the critical issue for hindering micromodule equipment further to develop.Therefore, it is necessary to study the electric energy change based on new principle
Technology is changed, the size and weight of above-mentioned electrical energy changer are greatly reduced with this.
Summary of the invention
It is an object of the invention to overcome the defect of existing transformation of electrical energy technology, provides and a kind of meet mini mobile equipment pair
The transformation of electrical energy circuit and transform method based on mechanical oscillation of alternating current energy supply demand.
The technical scheme is that a kind of transformation of electrical energy circuit based on mechanical oscillation, including positive electrode, negative electrode,
Walking beam and fixed plate, wherein one end of the walking beam is fixing end, is fixed in the fixed plate, the walking beam
The other end be free end, be vacantly placed between the positive electrode and the negative electrode；The fixing end of walking beam is connected with
Power output port applies direct current or alternating current to be transformed on positive and negative electrode, and walking beam is in electrostatic force and elastic restoring force
Common driving it is lower generate periodic mechanical vibration, and alternately and repeatedly contacted with positive and negative electrode in the process, walking beam root
The exportable adjustable alternating current of frequency.
Further, the inputing power is direct current or alternating current.
Further, when the inputing power is direct current or alternating current, intrinsic frequency (length, section shape of walking beam
The parameters such as shape, material), the spacing between the size and positive and negative electrode of input direct-current or alternating voltage amplitude is adjustable.
Further, when the inputing power is direct current, the transformation of electrical energy circuit can be used as DC-AC inversion electricity
Road uses.
Further, when the inputing power is alternating current, the transformation of electrical energy circuit can be used as Communication-Communication frequency modulation electricity
Road uses.
Further, the quantity of the walking beam can be one or more.
Further, the transformation of electrical energy circuit and transform method using above-mentioned based on mechanical oscillation, comprising the following steps:
(1) direct current or alternating current to be transformed are inputted to the positive electrode and negative electrode, are made between the positive and negative electrode
Form stable or periodically variable electrostatic field；
(2) free end surface of the walking beam generates induction positive negative charge, when voltage reaches certain value, the vibration
Dynamic beam will receive electrostatic force and its free end is adsorbed to positive/negative electrode, at this point, the free end of the walking beam with it is positive/negative
The potential of electrode is equal；
(3) charging neutrality occurs after the walking beam is adsorbed onto positive/negative electrode, it is described quiet during charging neutrality
Electric power is gradually reduced, when elastic restoring force is greater than the electrostatic force, the free end of the walking beam be detached from positive/negative electrode and to
Positive negative electrode is gone partially, and the free end of the walking beam is equal with the potential of positive negative electrode at this time；
(4) walking beam can shake back and forth between the positive and negative electrode under the action of electrostatic force and elastic restoring force
It is dynamic, generate periodically variable potential；
(5) the power output port exports alternating current by the fixing end of walking beam.
Further, when inputing power is direct current or alternating current, by adjusting the intrinsic frequency of the walking beam (i.e.
The parameters such as length, cross sectional shape, material), the spacing between the direct current or alternating voltage amplitude and the positive and negative electrode comes
Adjust the frequency of output alternating current；
Further, when the quantity of the walking beam is more and its intrinsic frequency is different, can be simultaneously in one group of positive and negative electricity
It is vibrated between pole, so that output includes the alternating current of multi-frequency ingredient.
The invention has the following advantages: the present invention is using mechanical organ rather than conventional electronics are inverse to electric energy progress
Become and frequency modulation processing, circuit structure is succinct, lighter in weight, control strategy are simple, application easy to spread, in particular for miniature
In power electronic equipment.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is circuit diagram of the invention；
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The chattering that the present invention is based on walking beams in electrostatic field is subject in electrostatic field quiet using walking beam
Electric power and the elastic restoring force of itself are of reciprocating vibration to realize, and then walking beam is made to generate periodically variable potential.In other words
It says, the present invention mainly uses mechanical organ rather than conventional electronics carry out inversion to electric energy and frequency modulation is handled.
Referring to Fig. 1, a kind of transformation of electrical energy circuit based on mechanical oscillation, including it is walking beam 1, positive electrode 2, negative electrode 3, solid
Fixed board 4 and power output port 5, wherein one end of the walking beam 1 is fixing end, is fixed in the fixed plate 4, institute
The other end for stating walking beam 1 is free end, is vacantly placed between the positive electrode 2 and the negative electrode 3, walking beam 1 is consolidated
Fixed end is connected with power output port 5.
According to self-excited vibration principle of the walking beam in electrostatic field, by applying the positive electrode 2, negative electrode 3 wait become
Electrostatic field is formed after the direct current or alternating current that change to generate electrostatic force, the elasticity using electrostatic force and the walking beam 1 is extensive
Therefore the reciprocating collision between positive electrode 2 and negative electrode 3 of walking beam 1 described in multiple power drive, the walking beam 1 take periodical change
The potential of change.
Preferably, its for preparing that material is foil or surface spraying plating conductive material of the positive electrode 2, negative electrode 3
His light material.
The inputing power can be direct current, or alternating current.
When the inputing power is direct current, the size for exporting the amplitude of alternating current and the direct current of input is related, can
To adjust the amplitude of output alternating current by the size for adjusting input dc power；Output the alternating current frequency with it is described
The vibration frequency of walking beam 1 is consistent.And the vibration frequency of the walking beam 1 and its own intrinsic frequency (length, cross sectional shape and
The parameters such as material), the spacing between the size and the positive and negative electrode of the input dc power it is related.The walking beam 1
Intrinsic frequency is bigger, then the vibration frequency of the walking beam 1 is bigger；The input dc power is bigger, then 1 vibration of the walking beam
Dynamic frequency is bigger；Spacing between the positive electrode, negative electrode is bigger, then the vibration frequency of the walking beam 1 is smaller；It therefore can
By the intrinsic frequency (parameters such as length, cross sectional shape and material) of the walking beam 1, the size of the input direct-current voltage with
And the spacing between the positive electrode 2, negative electrode 3, to adjust the frequency of output alternating current.
In addition, the size of input dc power both will affect the amplitude of output alternating current, the frequency of output alternating current also will affect
Rate.Intrinsic frequency, the electrode spacing of walking beam only influence to export the frequency of alternating current.Therefore, it is intended that the amplitude of output alternating current
When adjustable but frequency is constant, in addition to the size of input dc power, it is also necessary to add a controllable parameter, such as electrode spacing.And
When wishing that the frequency for exporting alternating current is adjustable but amplitude is constant, then input voltage cannot function as controllable parameter.What it is due to input is
Direct current, output is alternating current, therefore, the transformation of electrical energy circuit can be used as DC-AC inverter circuit come using.
When the inputing power is alternating current, the frequency for exporting alternating current is related with the vibration frequency of the walking beam 1.
The vibration frequency of walking beam 1 and it is not equal to ac frequency, but and direct current in the case where walking beam collides positive and negative electrode
Under it is similar, it is related with walking beam intrinsic frequency, positive and negative electrode spacing and alternating current amplitude.Therefore, by adjusting above three
Parameter, the frequency of adjustable output alternating current.Therefore, which can be used as Communication-Communication FM circuit
It uses.
The transformation of electrical energy circuit based on mechanical oscillation, if using light material, quality can down to 9mg,
And piezoelectric ceramics work has been successfully driven it.Therefore, the present invention can satisfy small electronic equipment and exchange small size, lightweight
The demand of power supply circuit.
A kind of transform method using above-mentioned mechanical transformation of electrical energy circuit, comprising the following steps:
(1) direct current (exchange) electricity is applied to the positive electrode 2, negative electrode 3, is formed between the positive electrode 2, negative electrode 3
Stable or periodically variable electrostatic field；
(2) due to electrostatic induction, the free end surface of the walking beam 1 generates induction negative electrical charge, when voltage reaches certain
When value, the walking beam 1 will receive electrostatic force and its free end is adsorbed to positive electrode 2, at this point, due to the walking beam 1
It is contacted with positive electrode 2 and the resistance value of the walking beam 1 is smaller negligible, so its fixing end and 2 equipotentiality of positive electrode；
(3) charging neutrality occurs after the walking beam 1 is adsorbed onto positive electrode 2, during charging neutrality, the electrostatic
Power is gradually reduced, and when the elastic restoring force of the walking beam 1 is greater than the electrostatic force, the free end of the walking beam 1 is detached from
Positive electrode 2 and gone partially to negative electrode 3, at this point, due to the walking beam 1 contacted with negative electrode 3 and the resistance value of the walking beam 1 compared with
It is small negligible, so its fixing end and 3 equipotentiality of negative electrode；
(4) walking beam 1 can be under the action of elastic restoring force of the electrostatic force with itself in the positive electrode 2, negative electricity
It is vibrated back and forth between pole 3, generates periodically variable potential；
(5) when inputing power is direct current or alternating current, by adjust the walking beam 1 intrinsic frequency (i.e. length,
The parameters such as cross sectional shape, material), the spacing between the direct current or alternating voltage amplitude and the positive electrode 2, negative electrode 3
To adjust the frequency of output alternating current.
(6) be connected with power output port 5 in the root of walking beam 1, the port can connect walking beam 1 fixing end and
Positive electrode 2 also can connect the fixing end and negative electrode 3 of walking beam 1.
It (7), can be simultaneously in one group of positive electrode 2, negative electricity when the quantity of the walking beam 1 is more and its intrinsic frequency difference
It is vibrated between pole 3, so that output includes the alternating current of multi-frequency ingredient.Above-described embodiment is the preferable embodiment party of the present invention
Formula, but embodiment of the present invention are not limited by the above embodiments, it is other any without departing from Spirit Essence of the invention
With changes, modifications, substitutions, combinations, simplifications made under principle, equivalent substitute mode should be, be included in of the invention
Within protection scope.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910081204.5A CN109617435B (en) | 2019-01-28 | 2019-01-28 | A kind of electric energy conversion circuit and conversion method based on mechanical vibration |
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|---|---|---|---|
| CN201910081204.5A CN109617435B (en) | 2019-01-28 | 2019-01-28 | A kind of electric energy conversion circuit and conversion method based on mechanical vibration |
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| CN109617435A true CN109617435A (en) | 2019-04-12 |
| CN109617435B CN109617435B (en) | 2025-01-07 |
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| CN109617435B (en) | 2025-01-07 |
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