CN107740903A - Liquid-filling pipe piezoelectricity liquid hinders energy accumulator - Google Patents
Liquid-filling pipe piezoelectricity liquid hinders energy accumulator Download PDFInfo
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- CN107740903A CN107740903A CN201710936256.7A CN201710936256A CN107740903A CN 107740903 A CN107740903 A CN 107740903A CN 201710936256 A CN201710936256 A CN 201710936256A CN 107740903 A CN107740903 A CN 107740903A
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- energy accumulator
- main casing
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- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000000919 ceramic Substances 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 238000004146 energy storage Methods 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000007767 bonding agent Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 28
- 238000013016 damping Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/05—Buffers therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
- F15C3/00—Circuit elements having moving parts
- F15C3/005—Circuit elements having moving parts using loose plates or foils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
- F15C3/00—Circuit elements having moving parts
- F15C3/16—Oscillators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Liquid-filling pipe piezoelectricity liquid hinders energy accumulator,Belong to vibration control technology field,Including energy accumulator main casing,Upper clamshell,Piston,Piston rod,Spring,Additional mass,Metal substrate group,Piezoelectric ceramics composite plate,Rubber press,First accumulator,Second accumulator,Energy storage and supply unit,Controller and cowling panel,Energy accumulator main casing,Upper clamshell,Piston,Piston rod,Spring,Additional mass,Metal substrate group,Piezoelectric ceramics composite plate and rubber press form liquid-filling pipe piezoelectricity liquid resistance energy accumulator main body,Liquid-filling pipe piezoelectricity liquid resistance energy accumulator main body respectively with the first accumulator,Second accumulator and energy storage connect with supply unit,The structure of the present invention realizes fluid and increases resistance vibration damping with piezoelectrics coupled vibrations passing power driving energy accumulator,Play a part of increasing pipeline resistance vibration damping and vibrational energy is converted into power storage,Cowling panel is arranged in pipeline,By control cowling panel improve due in fluid conveying pipe bubbles burst to enormous impact force caused by pipeline.
Description
Technical field
The invention belongs to vibration control technology field, especially relates to a kind of liquid-filling pipe piezoelectricity liquid resistance energy accumulator.
Background technology
Coupling effect of seepage rock deformation is almost related to all industry, and pressure flow is dynamic or course of conveying in interactive problem be then this
Very representative research direction in a little fields.
Pipe-line system has quite varied as a kind of most representational induction system in numerous industrial circles
Using playing extremely important effect.But the pipe-line system course of work inevitably due to system operatio or its
He such as disturbs at the reason and caused UNSTEADY FLOW, and enormous impact force caused by bubbles burst is that extremely have in fluid conveying pipe
Harmful.Cause the vibration of system, reduce system operation reliability, aggravating working environment, influence instrument and meter precision, cause pipeline
Joint portion seepage, pipeline burst or thrashing can be caused when serious and is caused disaster.In order to reduce vibration to caused by pipe conveying fluid
Harm, the control method of vibration and its research of implementation and the aspect of a significant.
At present, although there has been proposed the damper for mitigating tube vibration, refer to publication No. CN103090152A " and
" it is used for the piezoelectric energy recovery device of pipe vibration collection of energy, refers to publication No. CN106685264A ".
But research simply increases counterweight or energy collecting device outside pipeline above, not to huge caused by bubbles burst
Impulsive force carries out the research of vibration damping and energy regenerating directly inside pipeline by fluid structurecoupling, at the same existing oil-gas pipeline every
Shake and piezoelectric generating device is mostly complicated, volume is big, be unsuitable for the relatively small pipeline of diameter.
To improve recovery ability and vibration control effect to pipe vibration energy, it is necessary to invent a kind of piezoelectricity liquid resistance prisoner
Can device, i.e., drive piezoelectricity liquid to hinder energy accumulator by fluid and piezoelectrics coupled vibrations passing power and increase resistance vibration damping, and by vibrational energy
Amount is converted into power storage and got up to be energized for pipeline micro-system control device, and the semi- active control for vibrating, to dimension
The tool safe for operation of shield pipe-line system is of great significance.
The content of the invention
The purpose of the present invention is proposed after being analyzed for the vibration of THE LIQUID-FILLED PIPE SYSTEM and piezo-electric vibration reduction control characteristic
A kind of electro-hydraulic resistance energy accumulator of novel pressure, it is resonated come the pulsation of dampening fluid using current-carrying piezoelectric, passes through piezoelectricity and stream
Body phase mutual coupling is acted on to realize vibration energy regeneration.
For achieving the above object, the present invention adopts the following technical scheme that:Liquid-filling pipe piezoelectricity liquid hinders energy accumulator, its
It is characterized in:Including energy accumulator main casing, upper clamshell, piston, piston rod, spring, additional mass, metal substrate group, piezoelectricity pottery
Porcelain composite plate, rubber press, the first accumulator, the second accumulator, energy storage and supply unit, controller and cowling panel, the prisoner
Energy device main casing crown center position offers through hole, and energy accumulator main casing is provided with binding post group, and binding post group is by upper
Binding post and lower binding post composition, wherein upper binding post is arranged in energy accumulator main casing, upper binding post has external screw thread, and passes through
The external screw thread is threadedly coupled with energy accumulator main casing, and the inside end that upper binding post is placed in energy accumulator main casing passes through wire and piezoelectricity
Ceramic clad plate is connected, and the outer end that upper binding post is placed in energy accumulator main casing is connected by wire with energy storage and supply unit;
Lower binding post is arranged in energy accumulator main casing, and lower binding post has external screw thread, and passes through the external screw thread and energy accumulator main casing spiral shell
Line is connected, and the inside end that lower binding post is placed in energy accumulator main casing is connected by wire with metal substrate group, and lower binding post is placed in
The outer end of energy accumulator main casing is connected by wire with energy storage and supply unit;The upper clamshell is the cover body of bottom opening,
The opening side of upper clamshell is connected by screw with energy accumulator main casing, and is crimped between upper clamshell and energy accumulator main casing
Sealing gasket, upper clamshell are connected by the through hole with energy accumulator main casing, pass through pipeline with liquid-filling pipe at the top of upper clamshell
Connection;The piston is placed in clamshell and is divided into exocoel and lower exocoel, and upper exocoel is stored by pipeline and first
Energy device connection, lower exocoel are connected by pipeline with the second accumulator;Bullet is connected between piston and lower exocoel and energy accumulator main casing
Spring, and spring is nested with the piston rod;The upper end flange of the piston rod is connected by screw with piston, and piston rod passes through prisoner
The through hole of energy device main casing crown center position is moved up and down, and piston-rod lower end portion is connected with rubber press;It is described
Insertion groove is provided with additional mass;The metal substrate group includes the first metal substrate and the second metal substrate, the first gold medal
Belong to substrate and the upper and lower face of the second metal substrate and in being arranged in parallel, the outward flange of the first metal substrate and the second metal substrate leads to
Cross insertion groove to be inserted on additional mass, wherein the upper surface of the first metal substrate and the lower surface of the second metal substrate are fixed with
Piezoelectric ceramics composite plate;Between two neighboring piezoelectric ceramics composite plate and between piezoelectric ceramics composite plate and energy accumulator main casing
It is provided with rubber press;The cowling panel is arranged on pipeline by flanged plate, and flanged plate is circular ring structure, and flanged plate with
Pipeline is provided with sealing ring in flange connections, and cowling panel includes piezoelectric patches and riser, and piezoelectric patches is coaxially arranged with flanged plate, and
Piezoelectric patches is fixed on flanged plate by adhesive, and piezoelectric patches has been evenly distributed in the upper surface riser, and piezoelectric patches and riser are perpendicular
Arrangement, piezoelectric patches are bonded by metal substrate and piezoelectric ceramics by conducting resinl.
Further, the energy accumulator main casing is cylindrical housings.
Further, the riser is shaped as triangle.
Following beneficial effect can be brought by the above-mentioned design present invention:The present invention proposes a kind of liquid-filling pipe piezoelectricity liquid resistance prisoner
Energy device, drive liquid-filling pipe piezoelectricity liquid to hinder energy accumulator increasing by fluid and piezoelectrics coupled vibrations passing power and hinder vibration damping, play
Increase the effect of resistance vibration damping to pipeline, and vibrational energy is converted into power storage, arrange cowling panel in pipeline in addition, and lead to
Controller control cowling panel is crossed, it is vibrated, reaches the purpose that rectification is carried out to pipeline fluid, so as to improve pipeline fluid
Flow behavior, further improve due in fluid conveying pipe bubbles burst to enormous impact force caused by pipeline.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Fig. 1 is the structural representation that liquid-filling pipe piezoelectricity liquid of the present invention hinders energy accumulator.
Fig. 2 is that liquid-filling pipe piezoelectricity liquid of the present invention hinders energy accumulator close-up schematic view.
In figure:1- energy accumulators main casing, the upper clamshells of 2-, 3- pistons, 4- piston rods, 5- springs, 6- annex qualities block, 7- gold
Belong to substrate in batch, the metal substrates of 701- first, the metal substrates of 702- second, 8- piezoelectric ceramics composite plate, 9- rubber press, 10- the
One accumulator, the accumulators of 11- second, 12- energy storage and supply unit, 13- controllers, 14- cowling panels, 1401- piezoelectric patches,
1402- risers.
Embodiment
The present invention proposes a kind of liquid-filling pipe piezoelectricity liquid resistance energy accumulator, as shown in Figures 1 and 2, including energy accumulator main casing
Body 1, upper clamshell 2, piston 3, piston rod 4, spring 5, additional mass 6, metal substrate group 7, piezoelectric ceramics composite plate 8, rubber
Briquetting 9, the first accumulator 10, the second accumulator 11, energy storage and supply unit 12, controller 13 and cowling panel 14, prisoner's energy
The crown center position of device main casing 1 offers through hole, and energy accumulator main casing 1 is provided with binding post group, and binding post group is by upper
Binding post and lower binding post composition, wherein upper binding post is arranged in energy accumulator main casing 1, upper binding post has external screw thread, and leads to
The external screw thread is crossed to be threadedly coupled with energy accumulator main casing 1, upper binding post be placed in the inside end of energy accumulator main casing 1 by wire with
Piezoelectric ceramics composite plate 8 connects, and the outer end that upper binding post is placed in energy accumulator main casing 1 passes through wire and energy storage and supply unit
12 connections;Lower binding post is arranged in energy accumulator main casing 1, and lower binding post has external screw thread, and passes through the external screw thread and energy accumulator
Main casing 1 is threadedly coupled, and the inside end that lower binding post is placed in energy accumulator main casing 1 is connected by wire with metal substrate group 7, under
The outer end that binding post is placed in energy accumulator main casing 1 is connected by wire with energy storage and supply unit 12;The upper clamshell 2 is bottom
The cover body of portion's opening, opening side and the energy accumulator main casing 1 of upper clamshell 2 are connected by screw, and in upper clamshell 2 and energy accumulator
Sealing gasket is crimped between main casing 1, upper clamshell 2 is connected by the through hole with energy accumulator main casing 1, and upper clamshell 2 pushes up
Portion is connected with liquid-filling pipe by pipeline;The piston 3 is placed in clamshell 2 and is divided into exocoel and lower exocoel, and
Upper exocoel is connected by pipeline with the first accumulator 10, and lower exocoel is connected by pipeline with the second accumulator 11;Piston 3 with it is lower outer
Spring 5 is connected between chamber and energy accumulator main casing 1, and spring 5 is nested with piston rod 4;The upper end flange of the piston rod 4
It is connected by screw with piston 3, piston rod 4 through the through hole of the crown center position of energy accumulator main casing 1 transport up and down
Dynamic, the bottom of piston rod 4 is connected with rubber press 9;Insertion groove is provided with the additional mass 6;The metal substrate group 7
Including the first metal substrate 701 and the second metal substrate 702, the first metal substrate 701 and the second metal substrate face about 702
And in being arranged in parallel, the outward flange of the first metal substrate 701 and the second metal substrate 702 is inserted in additional mass by insertion groove
On 6, wherein the upper surface of the first metal substrate 701 and the lower surface of the second metal substrate 702 are fixed with piezoelectric ceramics composite plate
8;Rubber is provided between two neighboring piezoelectric ceramics composite plate 8 and between piezoelectric ceramics composite plate 8 and energy accumulator main casing 1
Glue laminated block 9;The cowling panel 14 is arranged on pipeline by flanged plate, and flanged plate is circular ring structure, and flanged plate exists with pipeline
Flange connections are provided with sealing ring, and cowling panel 14 includes piezoelectric patches 1401 and riser 1402, and piezoelectric patches 1401 and flanged plate are same
Axle is arranged, and piezoelectric patches 1401 is fixed on flanged plate by adhesive, and piezoelectric patches 1401 has been evenly distributed in the upper surface riser 1402,
And piezoelectric patches 1401 and 1402 perpendicular arrangement of riser, piezoelectric patches 1401 pass through conductive glue bond by metal substrate and piezoelectric ceramics
Form, the riser 1402 is shaped as triangle.Controller 13 controls the piezoelectric patches 1401 of cowling panel 14 to make its vibration, and makes
The riser 1402 of cowling panel 14 vibrates therewith, reaches and carries out rectification purpose to pipeline fluid.
The course of work:Fluid is connected with branch line, fluid is through this through entering pipeline at entrance a at the b of pipeline
Branch line enters liquid-filling pipe piezoelectricity liquid resistance energy accumulator, and fluid oscillation driving piston 3 vibrates, and piston 3 drives piezoelectric ceramics to answer
Plywood 8 vibrates, and produces the change of upper and lower displacement, and so as to produce electric energy, fluid flows out and flowed at the c of pipeline above through upper clamshell 2
Enter pipeline and then flowed out by cowling panel 14 at the d of pipeline.
The energy accumulator main casing 1, upper clamshell 2, piston 3, piston rod 4, spring 5, annex quality block 6, metal substrate group
7th, piezoelectric ceramics composite plate 8 and rubber press 9 form liquid-filling pipe piezoelectricity liquid resistance energy accumulator main body, when liquid-filling pipe piezoelectricity liquid hinders
When the quantity of energy accumulator main body is two or more, connected between each liquid-filling pipe piezoelectricity liquid resistance energy accumulator main body using parallel way
Connect, then be connected respectively with energy storage and supply unit 12.
In a non-operative state, piston 3 is in poised state, and the first accumulator 10 and the second accumulator 11 provide preset pressure
Power and filter action, piston 3 are in poised state because fluid force suffered by upper and lower surface is equal, and now piezoelectric ceramics is compound
The upper and lower surface of plate 8 is not acted on by external force, no-voltage generation;Into after steady operation, piston 3 moves up and down with fluid oscillation,
The pressure distribution state of fluid in system and the stress of piston 3 is set to change, because exocoel volume is not on upper clamshell 2
Disconnected change, and then change pipeline damping, while piezoelectric ceramics composite plate 8 deforms upon with fluid oscillation, by the pressure of fluid
Power can be converted into electric energy, and this is power generation process;Generated electricity is through wire transmission to energy storage and power supply unit 12, after conversion process
Export to controller 13, controller 13 drives cowling panel 14 to be vibrated, so as to improve pipeline fluid flow characteristic.
Pipe vibration fluid flows through branch line into liquid-filling pipe piezoelectricity liquid resistance energy accumulator main body, passes through fluid and piezoelectricity
Body coupled vibrations passing power driving liquid-filling pipe piezoelectricity liquid resistance energy accumulator increases resistance vibration damping, plays the work for increasing resistance vibration damping to pipeline
With, and vibrational energy is converted into power storage, cowling panel 13 is arranged in pipeline in addition, by controlling cowling panel 13 to enter one
Step improves because bubbles burst is to enormous impact force caused by pipeline, while by energy storage and supply unit 12 in fluid conveying pipe
Controller 13 is powered, and is effectively improved the problem of original controller power supply is difficult, in addition the first accumulator 10 and the second accumulator
11 hinder energy accumulator for piezoelectricity liquid provides system back pressure.Fluctuation when its operation principle is the flow of fluid of branch line be present, this is just
Band piston 3 and piston rod 4 are moved, and vibration is delivered to piezoelectric ceramics composite plate 8 by rubber press 9, answers piezoelectric ceramics
Plywood 8 carries out up-down vibration, and then changes the volume of exocoel on upper clamshell 2, another aspect liquid-filling pipe piezoelectricity liquid resistance energy accumulator
Extraneous accumulation of energy, it on the one hand can realize and, on the other hand machine according to piezoelectric property vibration adjustable into Mobile state is disturbed to pipeline
Tool can be transferred to power storage and get up be powered for itself, and liquid-filling pipe piezoelectricity liquid resistance energy accumulator, which passes through, changes upper clamshell
The method of the volume of exocoel and then change pipeline fluid flow characteristic plays on 2 is controlled to pipeline fluid disturbance, while
Have the function that to recover energy.
Claims (3)
1. liquid-filling pipe piezoelectricity liquid hinders energy accumulator, it is characterized in that:Including energy accumulator main casing (1), upper clamshell (2), piston (3),
Piston rod (4), spring (5), additional mass (6), metal substrate group (7), piezoelectric ceramics composite plate (8), rubber press (9),
First accumulator (10), the second accumulator (11), energy storage and supply unit (12), controller (13) and cowling panel (14), it is described
Energy accumulator main casing (1) crown center position offers through hole, and energy accumulator main casing (1) is provided with binding post group, wiring
Post group is made up of upper binding post and lower binding post, wherein upper binding post is arranged in energy accumulator main casing (1), upper binding post has outer
Screw thread, and be threadedly coupled by the external screw thread with energy accumulator main casing (1), upper binding post is placed in the interior of energy accumulator main casing (1)
Portion end is connected by wire with piezoelectric ceramics composite plate (8), and upper binding post is placed in the outer end of energy accumulator main casing (1) by leading
Line is connected with energy storage and supply unit (12);Lower binding post is arranged in energy accumulator main casing (1), and lower binding post has external screw thread,
And be threadedly coupled by the external screw thread with energy accumulator main casing (1), the inside end that lower binding post is placed in energy accumulator main casing (1) is led to
Wire is crossed to be connected with metal substrate group (7), lower binding post be placed in the outer end of energy accumulator main casing (1) by wire and energy storage and
Supply unit (12) connects;The upper clamshell (2) is the cover body of bottom opening, the opening side of upper clamshell (2) and energy accumulator master
Housing (1) is connected by screw, and sealing gasket is crimped between upper clamshell (2) and energy accumulator main casing (1), upper clamshell (2)
Connected with energy accumulator main casing (1) by the through hole, be connected at the top of upper clamshell (2) with liquid-filling pipe by pipeline;Institute
State piston (3) to be placed in clamshell (2) and be divided into exocoel and lower exocoel, and upper exocoel passes through pipeline and the first accumulation of energy
Device (10) is connected, and lower exocoel is connected by pipeline with the second accumulator (11);Piston (3) and lower exocoel and energy accumulator main casing
(1) spring (5) is connected between, and spring (5) is nested with piston rod (4);The upper end flange of the piston rod (4) passes through spiral shell
Nail is connected with piston (3), and piston rod (4) through the through hole of energy accumulator main casing (1) crown center position transport up and down
Dynamic, piston rod (4) bottom is connected with rubber press (9);Insertion groove is provided with the additional mass (6);The metal
Substrate in batch (7) includes the first metal substrate (701) and the second metal substrate (702), the first metal substrate (701) and the second metal
Substrate (702) face and leads in parallel arrangement, the outward flange of the first metal substrate (701) and the second metal substrate (702) up and down
Cross insertion groove to be inserted on additional mass (6), wherein the upper surface of the first metal substrate (701) and the second metal substrate (702)
Lower surface be fixed with piezoelectric ceramics composite plate (8);Between two neighboring piezoelectric ceramics composite plate (8) and piezoelectric ceramics is compound
Rubber press (9) is provided between plate (8) and energy accumulator main casing (1);The cowling panel (14) is arranged on by flanged plate
On pipeline, flanged plate is circular ring structure, and flanged plate is provided with sealing ring with pipeline in flange connections, and cowling panel (14) includes
Piezoelectric patches (1401) and riser (1402), piezoelectric patches (1401) and flanged plate are coaxially arranged, and piezoelectric patches (1401) passes through bonding
Agent is fixed on flanged plate, and piezoelectric patches (1401) has been evenly distributed in the upper surface riser (1402), and piezoelectric patches (1401) and riser
(1402) perpendicular arrangement, piezoelectric patches (1401) are bonded by metal substrate and piezoelectric ceramics by conducting resinl.
2. liquid-filling pipe piezoelectricity liquid according to claim 1 hinders energy accumulator, it is characterized in that:The energy accumulator main casing (1)
For cylindrical housings.
3. liquid-filling pipe piezoelectricity liquid according to claim 1 hinders energy accumulator, it is characterized in that:The shape of the riser (1402)
For triangle.
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CN201710936256.7A CN107740903B (en) | 2017-10-10 | 2017-10-10 | Piezoelectricity liquid-blocking energy harvester for liquid filling pipeline |
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CN201710936256.7A CN107740903B (en) | 2017-10-10 | 2017-10-10 | Piezoelectricity liquid-blocking energy harvester for liquid filling pipeline |
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CN107740903B CN107740903B (en) | 2023-12-01 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108736762A (en) * | 2018-05-23 | 2018-11-02 | 郑州轻工业学院 | The piezoelectric generating device of vibrational energy is transmitted based on enclosed fluid |
CN110594336A (en) * | 2019-10-14 | 2019-12-20 | 青岛科技大学 | Electroless driving frequency adjustable pressure pulsation attenuator |
CN112477528A (en) * | 2020-12-28 | 2021-03-12 | 桂林电子科技大学 | Automatic power supply method for intelligent equipment of automobile tire |
CN113328652A (en) * | 2021-06-23 | 2021-08-31 | 青岛科技大学 | Piezoelectric energy harvester based on piezoelectric film and with adjustable energy harvesting frequency |
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