CN103633877A - Variable-capacitor power generator based on fluid pressure intensity fluctuation - Google Patents
Variable-capacitor power generator based on fluid pressure intensity fluctuation Download PDFInfo
- Publication number
- CN103633877A CN103633877A CN201310502919.6A CN201310502919A CN103633877A CN 103633877 A CN103633877 A CN 103633877A CN 201310502919 A CN201310502919 A CN 201310502919A CN 103633877 A CN103633877 A CN 103633877A
- Authority
- CN
- China
- Prior art keywords
- liquid
- fluid pressure
- variable
- capacitor
- generator
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a variable-capacitor power generator based on fluid pressure intensity fluctuation. The variable-capacitor power generator belongs to a liquid piston variable-capacitor device, the liquid piston variable-capacitor device comprises a casing 1, a high-elasticity film 5, a liquid work medium 2, a gas work medium 6 and a variable capacitor, and the variable capacitor consists of a collecting electrode 3 and a stable constant voltage device 4. When the external fluid pressure intensity fluctuates, through the transfer by the high-elasticity film 5, the liquid work medium 2 is pressed to generate liquid level height fluctuation, the proportion of liquid and gas in the capacitor formed by the collecting electrode 3 and the stable constant voltage device 4 is continuously changed, and the capacitance fluctuation of the capacitor is caused. The variable-capacitor power generator has the advantages that the fluid pressure intensity fluctuation of fluid pressure intensity of gas pressure, water pressure and the like can be used as energy sources for generating electricity, the energy utilization range is enlarged, in addition, the energy sources are green and reproducible in most situations, and the environment protection requirement is met; under the fluid pressure intensity fluctuation existence condition, a great number of middle transmission processes is reduced, much middle loss is avoided, and the efficiency is high.
Description
Technical field:
The present invention relates to the generator that a kind of fluctuation that utilizes the fluid pressures such as air pressure, hydraulic pressure is energy source.
Background technology:
Various generators have three types in principle: the inductance type generator based on electromagnetic induction phenomenon, the electric capacity type electric power generator based on electronics two like magnetic poles repel each other principle of opposite sex attraction and the piezoelectric generator based on the existing phenomenon of piezoelectricity.Under current most occasion, generator all adopts inductance type generator, as permanent magnet generator, brushless DC generator etc., condenser type and piezoelectric generator are because power is smaller, general less employing, but under low power occasion, also there is application, for example vibration static micro generator and the array > > thereof of ZL2007100078611.8 < < based on liquid medium just provided a kind of capacitive generator, it is investigated and developed model machine, confirmed that electric capacity type electric power generator is feasible.
The present invention is in order to solve the too low difficult problem that cannot drive turbogenerator causing of vaporization chamber pressure in low temperature heat resource power generation technology at first, the inventor proposes this problem mono-kind of patent CN201210481276.7 < < for the power circulation system > > generating electricity and can only adopt piston engine to solve, but piston engine is bulky, overcome the energy that inertia consumes too large, to such an extent as to the efficiency of system is still on the low side, imagine for this reason and by solid, change the material of piston into liquid, the inertia of liquid and frictional damping characteristic are all far superior to solid, should be able to improve generating efficiency, because liquid cannot drive inductance type generator, but be very suitable for electric capacity type electric power generator, therefore the present invention combines the imagination of liquid piston and electric capacity type electric power generator, formed the present invention.
Summary of the invention:
The present invention, in order to solve the weak point of the solid piston in above-mentioned background technology, provides a kind of variable ultracapacitor of liquid piston principle that utilizes to gather fluid pressure change energy, thereby the method for generating.
For achieving the above object, the technical solution used in the present invention is: generator is held in the power transformation based on fluid pressure fluctuation, it is a liquid piston variation capacitance device, this device includes housing 1, opening is arranged at housing 1 bottom, is mounted with the maximum deflection that allows and is not less than 30% high resiliency film 5 on opening, and housing 1 and high resiliency film 5 have formed the container of a sealing jointly, internal tank fills liquid working substance 2 and gas working medium 6, and is mounted with variable capacitor; Described liquid working substance 2 is placed in the bottom of container and contacts with described high resiliency film 5 under Action of Gravity Field; Described variable capacitor is comprised of the collector electrode 3 of alternately placing and steady voltage device 4, gapped between collector electrode 3 and steady voltage device 4, liquid working substance 2 can flow in gap, and in liquid piston variation capacitance device when normal operation,, the liquid level of liquid working substance 2 fluctuates between the top of collector electrode 3 and lowermost end; Described steady voltage device 4 provides stable voltage, but no current provides.
The operation principle of above-mentioned generator is: when extraneous fluid (gas or liquid) pressure has fluctuation, by the transmission of high resiliency film 5, there is the fluctuation of liquid level in compressing liquid working substance 2, in the electric capacity forming between collector electrode 3 and steady voltage device 4, the shared ratio of liquids and gases is in continuous variation, owing to differing between the dielectric constant of gas and the dielectric constant of liquid greatly, cause thus the capacitance of formed capacitor between steady voltage device 4 and electrode 3 to fluctuate; In the situation that obtain constant voltage and the capacitance fluctuation that liquid piston variation capacitance device provides, just can hold generator with power transformation and externally export alternating current.
Compared with prior art, advantage and effect that the present invention has are as follows: the present invention can utilize the fluctuation of the fluid pressures such as air pressure, hydraulic pressure to generate electricity as energy source, expanded the scope of utilizing of energy, and in most cases these energy are green reproducible, meet the requirement of environmental protection; In the situation that having fluid pressure fluctuation, by technology provided by the invention, generate electricity and reduced a large amount of intermediate transmission processes, avoided many middle losses, thereby its efficiency far is greater than the situation of conventional employing inductance type generator.
Accompanying drawing explanation:
Fig. 1 is that generator schematic diagram is held in the power transformation based on fluid pressure fluctuation that the present invention proposes;
Fig. 2 is the two sides of steady voltage device of the present invention CHARGE DISTRIBUTION schematic diagram while being same electric charge, and in figure, the two sides of steady voltage device is positive charge;
Fig. 3 is that generator circuit schematic diagram is held in the power transformation of the two sides of steady voltage device of the present invention while being same electric charge;
Fig. 4 is the two sides of steady voltage device of the present invention CHARGE DISTRIBUTION schematic diagram while being two kinds of electric charges;
Fig. 5 is that generator circuit schematic diagram is held in the power transformation of the two sides of steady voltage device of the present invention while being two kinds of electric charges.
Description of reference numerals: 1-housing, 2-liquid working substance, 3-collector electrode, 4-steady voltage device, 5-high resiliency film, 6-gas working medium; A, B electricity output.
Embodiment:
Consult Fig. 1, generator is held in the power transformation based on fluid pressure fluctuation that the present invention proposes, it is a liquid piston variation capacitance device, this device includes housing 1, opening is arranged at housing 1 bottom, on opening, be mounted with high resiliency film 5, described high resiliency film 5 can be rubber-like film or has the film of pleated structure, and the maximum of high resiliency film 5 allows deflection to be not less than 30%; Housing 1 and high resiliency film 5 have formed the container of a sealing jointly, and internal tank fills liquid working substance 2 and gas working medium 6, and is mounted with variable capacitor, and in the present embodiment, liquid working substance is NaCl solution; Described liquid working substance 2 is placed in the bottom of container and contacts with described high resiliency film 5 under Action of Gravity Field; Described variable capacitor is comprised of the collector electrode 3 of alternately placing and steady voltage device 4, gapped between collector electrode 3 and steady voltage device 4, between gap and gap, in container top and the bottom, be all communicated with, liquid working substance 2 can flow in gap, and in liquid piston variation capacitance device when normal operation,, the liquid level of liquid working substance 2 fluctuates between the top of collector electrode 3 and lowermost end; Described steady voltage device 4 provides stable voltage, but no current provides.In the present embodiment, collector electrode 3 adopts porous carbon material.
The operation principle of above-mentioned generator is: when extraneous fluid (gas or liquid) pressure has fluctuation, by the transmission of high resiliency film 5, there is the fluctuation of liquid level in compressing liquid working substance 2, in the electric capacity forming between collector electrode 3 and steady voltage device 4, the shared ratio of liquids and gases is in continuous variation, owing to differing between the dielectric constant of gas and the dielectric constant of liquid greatly, cause thus the capacitance of formed capacitor between steady voltage device 4 and electrode 3 to fluctuate; In the situation that obtain constant voltage and the capacitance fluctuation that liquid piston variation capacitance device provides, just can hold generator with power transformation and externally export alternating current.
Fig. 3 and Fig. 5 are that generator operating circuit schematic diagram is held in power transformation, and the collector electrode 3 in described Fig. 1 is the battery lead plate of the power transformation appearance C1 in Fig. 3 and Fig. 5, except C1 is held in power transformation, in power transformation appearance generator, at least also have rectification circuit, fixed capacity C2 and output terminals A, B; If the two sides of steady voltage device 4 provides same electric charge, all for example positive charge as shown in Figure 2, the circuit theory diagrams of power transformation appearance generator as shown in Figure 3, if two sides provides negative electrical charge, also adopt the circuit of Fig. 3, now in Fig. 1, all collector electrodes 3 hold the electric pole plate use of C1 after serial or parallel connection as power transformation in Fig. 3; If the opposite charge on steady voltage device 4 two sides, one side is positive charge and another side is negative electrical charge, as shown in Figure 4, the circuit theory diagrams of power transformation appearance generator as shown in Figure 5, now collector electrode 3 is that positive charge or negative electrical charge are divided into positive collector electrode and negative collector electrode according to the electric charge on it, all positive collector electrodes hold a battery lead plate use of C1 after serial or parallel connection as power transformation in Fig. 5, all negative collector electrodes hold another battery lead plate use of C1 after serial or parallel connection as power transformation in Fig. 5.
Generally, the external output voltage u of above-mentioned power transformation appearance generator meets relation
Wherein c is the equivalent capacity that the rectification circuit second half section in generator is held in power transformation, and R is equivalent resistance, and U is the voltage of steady voltage device, and C is the electric capacity of variable capacitor C1.
The power output of generator is
In order to make the power output of generator large as much as possible, u should be large as much as possible, from (1), can see, U and
all large guarantee u is large as far as possible as much as possible.
Owing to requiring the steady voltage device 4 can not generation current, therefore the general electret that adopts, as steady voltage device 4, be generally the form of film, or the form of porous electrode.According to aforementioned analysis, the voltage U of electret should just can guarantee that greatly as far as possible the power output of generator is large.
Analyze now
rule.
A horizontal plane of any appointment is datum level, and regulation, for just, is upwards downwards to bear, and the liquid level of establishing electrolyte is h (t), and liquid level area is S, and the gas pressure intensity at liquid level place is P (t).If the density of liquid working substance is ρ, h
u=sup (h (t)), h
l=inf (h (t)), C
u=sup (C (t)), C
l=inf (C (t)), when liquid level is h
ltime liquid level place gas pressure intensity be P
l, gas volume is V
l, have
Work as V
lwhen enough large, (4) can abbreviation be
P(t)=ρg(h(t)-h
L)+P
L…………………(5)
By (3) and (5) formula, obtained
From (6) formula, can draw, as the design parameter C of variable capacitor
u, C
l, P
l, V
land corresponding h
uand h
lafter determining,
only the fluctuation poor with outside pressure is relevant.The design of variable capacitor should make C
u-C
llarge as much as possible, h
u-h
las much as possible little, the density p of the liquid working substance of selection should be as much as possible little.
For making
large as far as possible, the present invention adopts the principle of ultracapacitor to be used as the operation principle of the variation capacitance device shown in Fig. 1, and now liquid working substance 2 should be electrolyte, for example, can adopt NaCl solution, and electrode 3 adopts porous material such as manufactures such as porous charcoal.
When generator is held in this power transformation that utilizes fluctuation of pressure due to work, liquid working substance fluctuates up and down, identical with the situation of reciprocating motion of the pistons, therefore in fact can be regarded as the power transformation appearance generator that liquid piston drives, compare with conventional piston, when liquid fluctuates up and down, frictional resistance is minimum, and the process of having avoided multiple energy conversion, its generating efficiency is higher than the various generators of conventional piston actuated.What is more important, extensively there is fluid pressure fluctuation sources in occurring in nature, the fluctuation causing etc. that just rises and falls of the fluctuation of pressure causing such as atmospheric fluctuation, solar energy heating air, wave, as long as the air working medium that the energy in these fluctuation of pressure sources can pass in variation capacitance device causes that liquid level changes, just can, for generating, therefore can utilize in large quantities these green regenerative energy sources generatings.
Claims (3)
1. generator is held in the power transformation based on fluid pressure fluctuation, it is characterized in that: be a liquid piston variation capacitance device, this device includes housing 1, opening is arranged at housing 1 bottom, on opening, be mounted with high resiliency film 5, housing 1 and high resiliency film 5 have formed the container of a sealing jointly, and internal tank fills liquid working substance 2 and gas working medium 6, and is mounted with variable capacitor; Described liquid working substance 2 is placed in the bottom of container and contacts with described high resiliency film 5 under Action of Gravity Field; Described variable capacitor is comprised of the collector electrode 3 of alternately placing and steady voltage device 4, gapped between collector electrode 3 and steady voltage device 4, liquid working substance 2 can flow in gap, and in liquid piston variation capacitance device when normal operation,, the liquid level of liquid working substance 2 fluctuates between the top of collector electrode 3 and lowermost end; Described steady voltage device 4 provides stable voltage, but no current provides.
2. generator is held in the power transformation based on fluid pressure fluctuation as claimed in claim 1, it is characterized in that: the maximum of described high resiliency film 5 allows deflection to be not less than 30%.
3. generator is held in the power transformation based on fluid pressure fluctuation as claimed in claim 1, it is characterized in that: high resiliency film 5 can be rubber-like film or has the film of pleated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310502919.6A CN103633877B (en) | 2013-10-23 | 2013-10-23 | Generator is held in power transformation based on fluid pressure fluctuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310502919.6A CN103633877B (en) | 2013-10-23 | 2013-10-23 | Generator is held in power transformation based on fluid pressure fluctuation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103633877A true CN103633877A (en) | 2014-03-12 |
| CN103633877B CN103633877B (en) | 2016-01-20 |
Family
ID=50214591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310502919.6A Active CN103633877B (en) | 2013-10-23 | 2013-10-23 | Generator is held in power transformation based on fluid pressure fluctuation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103633877B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300835A (en) * | 2014-10-08 | 2015-01-21 | 上海交通大学 | Double-layer variable capacitance power generation device for absorbing vibration energy |
| CN110848103A (en) * | 2019-11-27 | 2020-02-28 | 西安航天动力技术研究所 | Power generation system using day and night temperature difference as energy source |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032721A (en) * | 1987-10-23 | 1989-05-03 | 黄宏玉 | The method of capacitance type electricity generation and device thereof |
| JPH07284280A (en) * | 1994-04-08 | 1995-10-27 | Chisso Corp | Electrostatic actuator |
| CN1572007A (en) * | 2001-10-19 | 2005-01-26 | 微涂技术股份有限公司 | Tunable capacitors using fluid dielectrics |
| US20060077762A1 (en) * | 2004-06-07 | 2006-04-13 | California Institute Of Technology | Method and system using liquid dielectric for electrostatic power generation |
| CN101106301A (en) * | 2007-06-13 | 2008-01-16 | 重庆大学 | Vibration static micro generator based on liquid medium and its array |
| CN201345622Y (en) * | 2008-12-30 | 2009-11-11 | 浙江师范大学 | Generator based on dielectric elastomeric material |
| US20100295415A1 (en) * | 2007-12-21 | 2010-11-25 | Commissariat A L'energie Atomique Et Aux Ene., Alt. | Energy recovering device with a liquid electrode |
| CN102996321A (en) * | 2012-11-23 | 2013-03-27 | 贾东明 | Power circulation system for power generation |
-
2013
- 2013-10-23 CN CN201310502919.6A patent/CN103633877B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032721A (en) * | 1987-10-23 | 1989-05-03 | 黄宏玉 | The method of capacitance type electricity generation and device thereof |
| JPH07284280A (en) * | 1994-04-08 | 1995-10-27 | Chisso Corp | Electrostatic actuator |
| CN1572007A (en) * | 2001-10-19 | 2005-01-26 | 微涂技术股份有限公司 | Tunable capacitors using fluid dielectrics |
| US20060077762A1 (en) * | 2004-06-07 | 2006-04-13 | California Institute Of Technology | Method and system using liquid dielectric for electrostatic power generation |
| CN101106301A (en) * | 2007-06-13 | 2008-01-16 | 重庆大学 | Vibration static micro generator based on liquid medium and its array |
| US20100295415A1 (en) * | 2007-12-21 | 2010-11-25 | Commissariat A L'energie Atomique Et Aux Ene., Alt. | Energy recovering device with a liquid electrode |
| CN201345622Y (en) * | 2008-12-30 | 2009-11-11 | 浙江师范大学 | Generator based on dielectric elastomeric material |
| CN102996321A (en) * | 2012-11-23 | 2013-03-27 | 贾东明 | Power circulation system for power generation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300835A (en) * | 2014-10-08 | 2015-01-21 | 上海交通大学 | Double-layer variable capacitance power generation device for absorbing vibration energy |
| CN104300835B (en) * | 2014-10-08 | 2016-06-01 | 上海交通大学 | A kind of double-deck change electric capacity power generation assembly absorbing vibrational energy |
| CN110848103A (en) * | 2019-11-27 | 2020-02-28 | 西安航天动力技术研究所 | Power generation system using day and night temperature difference as energy source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103633877B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103840710B (en) | A kind of vibration energy collector | |
| CN108964511A (en) | A kind of friction nanometer power generator and preparation method thereof based on 3D printing technique | |
| CN109755027B (en) | Composite graphene film, high-energy supercapacitor and intelligent flexible device | |
| WO1994019812A2 (en) | Capacitor with a double electrical layer | |
| CN103633877B (en) | Generator is held in power transformation based on fluid pressure fluctuation | |
| CN105048771A (en) | Automatic generator | |
| CN105634323A (en) | Electret thin film based energy collector | |
| Hsu et al. | Energy harvesting from aperiodic low-frequency motion using reverse electrowetting | |
| Yu et al. | Triboelectric nanogenerator with mechanical switch and clamp circuit for low ripple output | |
| CN103414220A (en) | Water drop power generation method and micro water drop power generation system based on ICPF | |
| CN209115248U (en) | Wave energy generating set | |
| CN206585483U (en) | A kind of miniature piezoelectric and electric capacity energy composite energy collector | |
| TW202105779A (en) | Heat capacitors | |
| CN110350822A (en) | A kind of foot's mechanical energy acquisition device and its acquisition method | |
| CN202634234U (en) | Magnetoelectric vibration transducer device | |
| CN109285700A (en) | A kind of self-healing high pressure dry capacitor | |
| CN1547312A (en) | Minitype electric generator | |
| Murashko et al. | Optimization of the passive thermal control system of a lithium-ion battery with heat pipes embedded in an aluminum plate | |
| CN102983262A (en) | Electrolyte thermoelectric cell | |
| CN2922377Y (en) | Device capable of collecting and utilizing ion in the air | |
| CN104300835B (en) | A kind of double-deck change electric capacity power generation assembly absorbing vibrational energy | |
| CN110848103A (en) | Power generation system using day and night temperature difference as energy source | |
| CN202142420U (en) | Solid capacitor array for automobile power supply | |
| CN110401376A (en) | A kind of mono-pendulum type human motion energy collector and its acquisition method | |
| Shao et al. | Electrical storage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |