CN105281600B - External piston coupling linkage formula piezo-electric generating cylinder - Google Patents
External piston coupling linkage formula piezo-electric generating cylinder Download PDFInfo
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- CN105281600B CN105281600B CN201510843024.8A CN201510843024A CN105281600B CN 105281600 B CN105281600 B CN 105281600B CN 201510843024 A CN201510843024 A CN 201510843024A CN 105281600 B CN105281600 B CN 105281600B
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- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
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- 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
- H02N2/183—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using impacting bodies
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a kind of external piston coupling linkage formula piezo-electric generating cylinder, to solve the problems such as current pneumatic piezoelectricity generating device structure is complicated, capacity usage ratio is low, noise is big.The present invention includes cylinder body and piezoelectric generating device, and TRT is threadedly coupled with cylinder rear end.Piezoelectric generating device is made up of drive end bearing bracket, cavity, rear end cap assemblies, piston, electrification component, and rear end cap assemblies are single hole rear end cap assemblies or single hole rear end cap assemblies, and piston is perforated piston or single hole piston.Electrification component produces deformation in the presence of the impact of compressed air, gas pressure and pressure oscillation, and is resetted in low pressure, and electric energy is produced based on piezo-electric effect.The present invention has that simple in construction, capacity usage ratio is high, noise is small and the low technical advantage of cost, the electric energy of generation can be collected into arrangement by energy storage rectifier circuit in addition, be that Internet of things node is energized.The present invention has broad application prospects in pneumatics field.
Description
Technical field
The present invention relates to a kind of external piston coupling linkage formula piezo-electric generating cylinder, belong to pneumatics field.
Background technology
Pneumatics is, using air compressor as power source, using compressed air as working media, to carry out energy and signal is passed
The engineering technology passed, is to realize one of important means of automated production and Industry Control, with its low cost, pollutes small, easy adjust
The advantages of control, is widely used in the fields such as processing, manufacture, automobile production.With continuing to develop for pneumatics, people are to gas
The requirement of dynamic system intelligent also more and more higher, application of the technology of Internet of things in pneumatic system is then to realize pneumatics intelligence
One of major way of change.At present, Internet of things node is generally made up of sensor and wireless communication module in pneumatic system, and it is supplied
Electrically general to be powered using external circuitses and battery, external circuitses are powered, and Hui Shi pneumatic systems supply line is complicated, and increase is
Cost and degree of difficulty that system is safeguarded；And battery is powered, there is that battery volume is big, service life is short, need to frequently change etc. and to ask
Topic, it is difficult to meet the requirement of sensor and wireless communication module continuous firing；Meanwhile, battery contains at heavy metal, old and useless battery
Reason is improper to make serious environmental pollution.
Because pneumatic system energy itself is big, capture pneumatic system energy is that Internet of things node energy supply has good development
Prospect.Existing Chinese utility model patent《Pneumatic electric generator》, Authorization Notice No. is the U of CN 201898457, authorized announcement date
For 2011.07.13, a kind of pneumatic electric generator, including aerating device, sealing container, control device and piezo-electric crystal are disclosed, is filled
Device of air is connected with sealing container and inflated to sealing container, and control device is connected with sealing container, and control device is close to piezoelectricity
Crystal is installed, and the active force of air-flow is delivered to piezo crystals by the compressed air formation air-flow in sealing container by control device
Body, makes piezo-electric crystal convert mechanical energy into electric energy, is used for the electrical appliance electrically connected with piezo-electric crystal.Chinese invention patent
《A kind of piezoelectric generating device based on excitation of fluidic micro oscillator》, application publication number is the A of CN 102594202, Shen Qing Publication
Day is 2012.07.18, discloses a kind of piezoelectric generating device based on excitation of fluidic micro oscillator, and the device includes housing, bistable
Fluidic, the first vibration chamber, the second vibration chamber and output circuit；First vibration chamber and the second vibration chamber are arranged symmetrically in bistable
The left and right sides of fluidic；Diaphragm is respectively equipped with the first vibration chamber and the second vibration chamber, piezoelectric patches is provided with diaphragm,
Bistable fluidic air inlet is connected with the exhaust outlet of pneumatic equipment.Due to the wall attachment effect of bistable fluidic, gas is repeatedly
Circulate in both sides vibration chamber and form oscillating gas, oscillating air flow drives the diaphragm vibration on chamber in vibration chamber, diaphragm shakes
The piezoelectric patches vibration deformation of dynamic driving thereon produces electric charge.There is generating device structure complexity, space-consuming in above-mentioned prior art
It is big and be difficult to it is integrated with miniaturization the problems such as；Simultaneously because the TRT disclosed in above-mentioned technical proposal is to adopt
With carried out under open environment gas shock prisoner can, there are problems that capacity usage ratio is low, noise.
The content of the invention
In order to solve the problems such as above-mentioned pneumatic piezoelectricity generating device structure is complicated, capacity usage ratio is low, noise is big, the present invention
A kind of external piston coupling linkage formula piezo-electric generating cylinder is disclosed.
The technical solution adopted in the present invention is：The external piston coupling linkage formula piezo-electric generating cylinder be by cylinder and
Piezoelectric generating device is constituted；The cylinder can be double-acting cylinder；The cylinder rear end cap center is provided with tapped through hole, its
Screw and be connected for the external screw thread one with the side end of chamber end cap in piezoelectric generating device one, realize cylinder and piezoelectric generating device
Be fastenedly connected；The piezoelectric generating device includes chamber end cap, cavity, rear end cap assemblies, piston, electrification component, the chamber
The side end of body end lid one is provided with external screw thread one, and it, which is used to screw with the tapped through hole of cylinder rear end cap center, is connected, real
Existing cylinder and piezoelectric generating device are fastenedly connected, and the center of external screw thread one of the chamber end cap is provided with through hole one, it is used
In the circulation for realizing gas between cylinder and piezoelectric generating device, the chamber end cap end side is provided with external screw thread two,
It, which is used to screw with internal thread one set by the side end of cavity one, is connected, described to realize being fastenedly connected for chamber end cap and cavity
Cavity side is provided with internal thread one, and it, which is used to screw with the side end external screw thread two of chamber end cap one, is connected, to realize cavity and chamber
Body end lid is fastenedly connected, and the cavity opposite side is provided with internal thread two, its be used for on the excircle of rear end cap component end
External screw thread three or external screw thread screw connection, to realize being fastenedly connected for cavity and rear end cap assemblies, the inner volume of the cavity
Side wall is provided with through hole two, to realize the extraction of electrification component wire, and the inside cavity is provided with inner volume, with realize piston with
The mounting arrangements of electrification component, the electrification component is made up of pressing plate, metal substrate, piezoelectric patches and newel, and the pressing plate is L
Shape, its front end is provided with manhole, and it is used to realize that the installation of pressing plate and perforated piston plate or porous rear end cap is fixed, the pressure
Plate long slab end is the positive integer more than or equal to 1 provided with m square through hole, m, and it is used for the mounting arrangements for realizing metal substrate, institute
State metal substrate one end with set squared counter bore on newel to coordinate, blend compounds are adhesively fixed, the other end and set side on pressing plate
Shape through hole coordinates, and the metal substrate upper and lower surface is fitted with piezoelectric patches respectively, and blend compounds are adhesively fixed, and the piezoelectric patches is side
Shape piezoelectric patches, it fits respectively with metal substrate upper and lower surface, and with being adhesively fixed, its connecting wire is by set through hole on cavity
Two draw, and the side end center of newel one is provided with internal thread four, and it, which is used to screw with holding screw, is connected, with realization
Stem and single hole rear end cap or single hole piston plate are fastenedly connected, and the center column section is n sides shape, and n is more than or equal to 3 just
Integer, the newel is uniformly provided with m squared counter bore per one side, and m is the positive integer more than or equal to 1, and it is used for Metal Substrate
Plate one end fits, blend compounds are adhesively fixed.
The rear end cap assemblies are single hole rear end cap assemblies or porous rear end cap assemblies, and the piston is perforated piston or list
Hole piston；Single hole rear end cap assemblies include single hole rear end cap and holding screw；The side end excircle of single hole rear end cap one is
External screw thread three is provided with, it, which is used to screw with the internal thread two set by the side end of cavity one, is connected, to realize after cavity and single hole
End cap is fastenedly connected, and described single hole rear end cap the other end is provided with boss one, to realize the fastening of cavity and single hole rear end cap
Connection, the single hole rear end cap center is provided with through hole three, and it is used for the mounting arrangements for realizing holding screw, the clamp screw
Nail, it, which is used to screw with the internal thread four of the side end of newel one, is connected, and is connected with the fastening for realizing newel and single hole rear end cap
Connect.Perforated piston is made up of perforated piston plate and fixing screws, and the perforated piston plate is provided with perforated piston annular groove, and it is used
In the mounting arrangements of perforated piston sealing ring, to realize being tightly connected for piston and inner volume, the perforated piston plate side
End is uniformly provided with internal thread three, and it, which is used for perforated piston plate, is realized by fixing screws with pressing plate and be fastenedly connected.
Porous rear end cap assemblies include porous rear end cap and fixing screws, and the porous side end excircle of rear end cap one is
The structure of external screw thread four is provided with, it, which is used to screw with the internal thread two set by the side end of cavity one, be connected, to realize cavity and many
Hole rear end cap is fastenedly connected, and described porous rear end cap the other end is provided with boss two, to realize cavity and porous rear end cap
It is fastenedly connected, the porous side end face of rear end cap one is uniformly provided with internal thread five, it is used for porous rear end cap and passed through admittedly with pressing plate
Determine screw and realize and be fastenedly connected.
Single hole piston is made up of single hole piston plate and holding screw, and the single hole piston plate is recessed provided with single hole piston annular
Groove, it is used for the mounting arrangements of single hole piston packing ring, to realize being tightly connected for piston and inner volume, the single hole piston
Plate center is provided with through hole four, and it is used for the mounting arrangements for realizing holding screw, the holding screw, and it is used for and newel
The internal thread four of one side end screws connection, to realize being fastenedly connected for newel and single hole piston plate.
The beneficial effects of the invention are as follows：The present invention can capture the kinetic energy of gas shock and the pressure energy of compressed gas, generate electricity
Process is divided into three phases：Impact process generates electricity, pressure maintaining period generates electricity and resets generating.Impact process generates electricity to be rushed by air-flow
The piston hit in piezoelectric generating device makes its extrusion metal base plate, and metal substrate drives piezoelectric patches to produce deformation to produce electricity
Energy；Pressure maintaining period generates electricity i.e. when compressed gas makes cylinder proper motion, and the pressure oscillation produced in motion process squeezes piston
Metal substrate is pressed to produce deformation, so as to drive piezoelectric patches deformation, when air pressure reaches stable state in cylinder, gas pressure makes piezoelectricity
Piece deformation reaches maximum so as to produce maximum electricity；Reset to generate electricity in exhaust phase cavity pressure to reduce rapidly and make electrification component
Reset, piezoelectric patches produces negative voltage in reseting procedure, the generating of a cycle is completed when negative voltage is reduced to zero
Journey.This process is effectively increased waveform bandwidth to increase the generated energy of electrification component.The present invention has simple in construction, energy
Amount utilization rate is high, noise is small and the low technical advantage of cost, while can be carried out the electric energy of generation by energy storage rectifier circuit
Compile, be that Internet of things node is energized.The invention has broad application prospects in pneumatics field.
Brief description of the drawings
Fig. 1 show external piston coupling linkage formula piezo-electric generating structural representation of air cylinder proposed by the present invention；
Fig. 2 show the structural representation of cylinder in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Figure；
Fig. 3 show piezoelectric generating device in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Sectional view；
Fig. 4 show the section view of chamber end cap in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Figure；
Fig. 5 show the sectional view of cavity in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention；
Fig. 6 show single hole rear end cap assemblies in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Sectional view；
Fig. 7 show the section view of perforated piston in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Figure；
Fig. 8 show the section view of electrification component in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Figure；
Fig. 9 show the side view of electrification component in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Figure；
Figure 10 show porous rear end cap assemblies in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Sectional view；
Figure 11 show the section view of single hole piston in external piston coupling linkage formula piezo-electric generating cylinder proposed by the present invention
Figure.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1 ~ Fig. 9.
Present embodiment provides a kind of specific embodiment of external piston coupling linkage formula piezo-electric generating cylinder.It is described outer
Piston coupling linkage formula piezo-electric generating cylinder is put to be made up of cylinder 1 and piezoelectric generating device 2；
The cylinder 1 can be double-acting cylinder (SMC companies MBB50-100 double-acting cylinders)；In the rear end cap of cylinder 1
Heart position is provided with tapped through hole 1-1, and it is used for the 2- of external screw thread one with the side ends of chamber end cap 2-1 mono- in piezoelectric generating device 2
1-1 screws connection, realizes being fastenedly connected for cylinder 1 and piezoelectric generating device 2.
The piezoelectric generating device 2 includes chamber end cap 2-1, cavity 2-2, rear end cap assemblies 2-3, piston 2-4, generating set
Part 2-5.
The side ends of chamber end cap 2-1 mono- are provided with the 2-1-1 of external screw thread one, and it is used for and the rear end cap centre bit of cylinder 1
The tapped through hole 1-1 put screws connection, realizes being fastenedly connected for cylinder 1 and piezoelectric generating device 2；The chamber end cap 2-1's
The 2-1-1 centers of external screw thread one are provided with the 2-1-2 of through hole one, and it is used to realize gas between cylinder 1 and piezoelectric generating device 2
Circulation；The chamber end cap 2-1 end sides are provided with the 2-1-3 of external screw thread two, its be used for set by the side ends of cavity 2-2 mono-
The 2-2-1 of internal thread one screws connection, to realize being fastenedly connected for chamber end cap 2-1 and cavity 2-2.
The cavity 2-2 sides are provided with the 2-2-1 of internal thread one, and it is used for and the side end external screw threads two of chamber end cap 2-1 mono-
2-1-3 screws connection, to realize being fastenedly connected for cavity 2-2 and chamber end cap 2-1；The cavity 2-2 opposite sides are provided with interior spiral shell
The 2-2-2 of line two, it, which is used to screw with the 2-3-1-1 of external screw thread three on the excircle of single hole rear end cap 2-3-1 ends, is connected, to realize
Cavity 2-2 is fastenedly connected with single hole rear end cap 2-3-1's；The inner volume 2-2-4 sides wall of the cavity 2-2 is provided with the 2- of through hole two
2-3, to realize the extraction of electrification component 2-5 wires；Inner volume 2-2-4 is provided with inside the cavity 2-2, to realize piston 2-
4 and electrification component 2-5 mounting arrangements.
The rear end cap assemblies 2-3 is a kind of single hole rear end cap assemblies, and it includes single hole rear end cap 2-3-1 and holding screw
2-3-2；The side end excircles of single hole rear end cap 2-3-1 mono- are to be provided with the 2-3-1-1 of external screw thread three, and it is used for and cavity 2-
The 2-2-2 of internal thread two set by 2 one side ends screws connection, is connected with the fastening for realizing cavity 2-2 and single hole rear end cap 2-3-1
Connect；Described single hole rear end cap 2-3-1 the other end is provided with the 2-3-1-2 of boss one, to realize cavity 2-2 and single hole rear end cap 2-3-
1 is fastenedly connected；The single hole rear end cap 2-3-1 centers are provided with the 2-3-1-3 of through hole three, and it is used to realize holding screw 2-
3-2 mounting arrangements；The holding screw 2-3-2, it is used for the 2-5-4-1 of internal thread four with the side ends of newel 2-5-4 mono-
Connection is screwed, to realize being fastenedly connected for newel 2-5-4 and single hole rear end cap 2-3-1.
The piston 2-4 is a kind of perforated piston, and it is made up of perforated piston plate 2-4-1 and fixing screws 2-4-2；It is described
Perforated piston plate 2-4-1 is provided with perforated piston annular groove 2-4-1-2, and it is used for perforated piston sealing ring 2-4-1-1 installation
Arrangement, to realize being tightly connected for piston 2-4 and inner volume 2-2-4；The side ends of perforated piston plate 2-4-1 mono- are uniformly set
There is the 2-4-1-3 of internal thread three, it is used for perforated piston plate 2-4-1 and pressing plate 2-5-1 and realizes fastening by fixing screws 2-4-2
Connection.
The electrification component 2-5 is by pressing plate 2-5-1, metal substrate 2-5-2, piezoelectric patches 2-5-3 and newel 2-5-4 groups
Into the pressing plate 2-5-1 is L-shaped, and its front end is provided with manhole 2-5-1-1, and it is used to realize pressing plate 2-5-1 and perforated piston
Plate 2-4-1 installation is fixed；The pressing plate 2-5-1 long slabs end is provided with m square through hole 2-5-1-2, m for more than or equal to 1 just
Integer, it is used for the mounting arrangements for realizing metal substrate 2-5-2；Described metal substrate 2-5-2 one end and institute on newel 2-5-4
If squared counter bore 2-5-4-2 coordinates, and is adhesively fixed with epoxide-resin glue；The other end and set square through hole on pressing plate 2-5-1
2-5-1-2 coordinates；The metal substrate 2-5-2 upper and lower surfaces are fitted with piezoelectric patches 2-5-3 respectively, and use epoxy resin glue sticking
It is fixed；The piezoelectric patches 2-5-3 is square piezoelectric patches, and it fits respectively with metal substrate 2-5-2 upper and lower surfaces, and uses asphalt mixtures modified by epoxy resin
Fat glue sticking is fixed, and its connecting wire is drawn by the set 2-2-3 of through hole two on cavity 2-2；The sides of newel 2-5-4 mono-
Portion center is provided with the 2-5-4-1 of internal thread four, and it, which is used to screw with holding screw 2-3-2, is connected, to realize newel 2-5-4 and list
Hole rear end cap 2-3-1's is fastenedly connected；The newel 2-5-4 sections are n sides shape, and n is the positive integer more than or equal to 3, described
It is the positive integer more than or equal to 1 that newel 2-5-4, which is uniformly provided with m squared counter bore 2-5-4-2, m per one side, and it is used for metal
Substrate 2-5-2 one end fits, and be adhesively fixed with epoxide-resin glue.
The specific electricity generating principle of present embodiment：The Axial Loads produced using pneumatic compression air are in piston 2-4
Upper surface, so that metal substrate 2-5-2 produces Bending Deformation, so as to excite piezoelectric patches 2-5-3 to produce electric energy.Compressed air makes
The normal work of cylinder 1, in the motion process of cylinder 1, because the internal capacity of cylinder 1 produces change, so as to cause compressed gas
Fluctuation is produced, this wave characteristic can make the compressed air of unstable state constantly apply the active force of alternation to piston 2-4, make
Its extrusion metal base plate 2-5-2 produces deformation repeatedly, and this process is effectively increased waveform bandwidth to increase piezoelectric patches
2-5-3 generated energy.The power generation process of external piston coupling linkage formula piezo-electric generating cylinder can be divided into three phases：Impact process
Generate electricity, pressure maintaining period generates electricity and reseting procedure generates electricity.Specific power generation process is as follows：Power generating stage is impacted, cylinder 1 is by rear end cap gas
The gas that hole is flowed into a, part enters piezoelectric generating device 2 by the through hole 2-1-2 of the side ends of cavity body structure 2-1 mono-, into hair
The direct impact piston 2-4 of air-flow in electric installation 2 makes its extrusion metal base plate 2-5-2, metal substrate 2-5-2 drive piezoelectric patches 2-
5-3 produces deformation, so as to produce electric energy；Pressurize power generating stage, with the increase for entering the gas flow of cylinder 1, compressed air makes gas
Unstable gas pulsation can be produced in cylinder 1 and piezoelectric generating device 2 during piston movement in the proper motion of cylinder 1, cylinder 1, no
Disconnectedly apply the active force of alternation to piston 2-4, be passed to metal substrate 2-5-2 and drive piezoelectric patches 2-5-3 to produce repeatedly
Deformation, when air pressure reaches stable state in cylinder 1, piezoelectric patches 2-5-3 produces deformation and reaches maximum, and piezoelectric patches 2-5-3 produces maximum
Forward voltage；It is that gas passes through the side ends of cavity body structure 2-1 mono- when cylinder 1 is in rear end cap stomata and is vented to reset generating
Through hole 2-1-2 discharges, the air pressure inside of piezoelectric generating device 2 reduces, and electrification component 2-5 is resetted, so as to there is negative electricity output,
When negative voltage is reduced to zero, the present invention completes the power generation process of a cycle.The above-mentioned course of work is repeated, this can be achieved
The continuous generating of invention.
Embodiment two：Illustrate present embodiment with reference to Figure 10 and Figure 11.
Present embodiment provides the specific embodiment of another external piston coupling linkage formula piezo-electric generating cylinder.It is tied
Structure is constituted and connected mode is identical with embodiment one, and difference is piston 2-4 and rear end cap assemblies 2-3 structure
Composition；The rear end cap assemblies 2-3 is a kind of porous rear end cap assemblies, and it includes porous rear end cap 2-3-3 and fixing screws 2-
4-2, the porous side end excircles of rear end cap 2-3-3 mono- are to be provided with the 2-3-3-1 structures of external screw thread four, and it is used for and cavity
The 2-2-2 of internal thread two set by the side ends of 2-2 mono- screws connection, is connected with the fastening for realizing cavity 2-2 and porous rear end cap 2-3-3
Connect；Described porous rear end cap 2-3-3 the other end is provided with the 2-3-3-2 of boss two, to realize cavity 2-2 and porous rear end cap 2-3-
3 are fastenedly connected；The porous side end faces of rear end cap 2-3-3 mono- are uniformly provided with the 2-3-3-3 of internal thread five, and it is used for porous rear end
Lid 2-3-3 and pressing plate 2-5-1 is realized and is fastenedly connected by fixing screws 2-4-2.
The piston 2-4 is a kind of single hole piston, and it is made up of single hole piston plate 2-4-3 and holding screw 2-3-2；It is described
Single hole piston plate 2-4-3 is provided with single hole piston annular groove 2-4-3-2, and it is used for single hole piston packing ring 2-4-3-1 installation
Arrangement, to realize being tightly connected for piston 2-4 and inner volume 2-2-4；The single hole piston plate 2-4-3 centers are provided with logical
The 2-4-3-3 of hole four, it is used for the mounting arrangements for realizing holding screw 2-3-2；The holding screw 2-3-2, it is used for and center
The 2-5-4-1 of internal thread four of the side ends of post 2-5-4 mono- screws connection, to realize newel 2-5-4 and single hole piston plate 2-4-3's
It is fastenedly connected.
The specific electricity generating principle of present embodiment is identical with the electricity generating principle of embodiment one.
Claims (3)
1. external piston coupling linkage formula piezo-electric generating cylinder, it is characterised in that：The external piston coupling linkage formula piezoelectricity hair
Electric cylinder is by cylinder（1）And piezoelectric generating device（2）Composition；The cylinder（1）Rear end cap center is provided with tapped through hole (1-
1), it is used for and piezoelectric generating device（2）Middle chamber end cap（2-1）The external screw thread one of one side end（2-1-1）Connection is screwed, it is real
Existing cylinder（1）With piezoelectric generating device（2）Be fastenedly connected；The piezoelectric generating device（2）Including chamber end cap（2-1）, chamber
Body（2-2）, rear end cap assemblies（2-3）, piston（2-4）, electrification component（2-5), the chamber end cap（2-1）One side end is set
There is external screw thread one（2-1-1）, it is used for and cylinder（1）The tapped through hole (1-1) of rear end cap center screws connection, realizes gas
Cylinder（1）With piezoelectric generating device（2）Be fastenedly connected, the chamber end cap（2-1）External screw thread one（2-1-1）Centre bit is installed
There is through hole one (2-1-2), it is used to realize cylinder（1）With piezoelectric generating device（2）Between gas circulation, the chamber end cap
（2-1）End side is provided with external screw thread two (2-1-3), and it is used for and cavity（2-2）(the 2- of internal thread one set by one side end
Connection 2-1) is screwed, to realize chamber end cap（2-1）With cavity（2-2）Be fastenedly connected, the cavity（2-2）Side is provided with interior
Screw thread one (2-2-1), it is used for and chamber end cap（2-1）One side end external screw thread two (2-1-3) screws connection, to realize cavity
（2-2）With chamber end cap（2-1）Be fastenedly connected, the cavity（2-2）Opposite side is provided with internal thread two (2-2-2), and it is used for
With rear end cap assemblies（2-3）External screw thread three (2-3-1-1) or external screw thread four (2-3-3-1) on the excircle of end screw connection,
To realize cavity（2-2）With rear end cap assemblies（2-3）Be fastenedly connected, the cavity（2-2）Inner volume (2-2-4) side wall
Provided with through hole two (2-2-3), to realize electrification component（2-5) the extraction of wire, the cavity（2-2）Inside is provided with inner volume
(2-2-4), to realize piston（2-4）With electrification component（Mounting arrangements 2-5), the electrification component（2-5) by pressing plate (2-5-
1), metal substrate (2-5-2), piezoelectric patches (2-5-3) and newel (2-5-4) composition, the pressing plate (2-5-1) is L-shaped, before it
End is provided with manhole (2-5-1-1), and it is used to realize pressing plate (2-5-1) and perforated piston plate (2-4-1) or porous rear end cap
The installation of (2-3-3) is fixed, and pressing plate (2-5-1) the long slab end is provided with m square through hole (2-5-1-2), and m is more than or equal to 1
Positive integer, it is used for the mounting arrangements for realizing metal substrate (2-5-2), described metal substrate (2-5-2) one end and newel
Set squared counter bore (2-5-4-2) coordinates on (2-5-4), and blend compounds are adhesively fixed, the other end and set side on pressing plate (2-5-1)
Shape through hole (2-5-1-2) coordinates, and metal substrate (2-5-2) upper and lower surface is fitted with piezoelectric patches (2-5-3) respectively, blend compounds
It is adhesively fixed, the piezoelectric patches (2-5-3) is square piezoelectric patches, and it fits respectively with metal substrate (2-5-2) upper and lower surface, and
With being adhesively fixed, its connecting wire is by cavity（2-2）Upper set through hole two (2-2-3) is drawn, the newel (2-5-4) one
Side end center is provided with internal thread four (2-5-4-1), and it, which is used to screw with holding screw (2-3-2), is connected, to realize newel
(2-5-4) and single hole rear end cap (2-3-1) or single hole piston plate (2-4-3's) is fastenedly connected, newel (2-5-4) section
For positive n sides shape, n is the positive integer more than or equal to 3, and the newel (2-5-4) is uniformly provided with m squared counter bore per one side
(2-5-4-2), m is the positive integer more than or equal to 1, and it is used for metal substrate (2-5-2) one end fits, and blend compounds are adhesively fixed.
2. external piston coupling linkage formula piezo-electric generating cylinder according to claim 1, it is characterised in that：The rear end cap
Component（2-3）For a kind of single hole rear end cap assemblies, it includes single hole rear end cap (2-3-1) and holding screw（2-3-2）；The list
Hole rear end cap（2-3-1）One side end excircle is to be provided with external screw thread three (2-3-1-1), and it is used for and cavity（2-2）Side
Internal thread two set by end（2-2-2）Connection is screwed, to realize cavity（2-2）With single hole rear end cap（2-3-1）Fastening connect
Connect, the single hole rear end cap（2-3-1）The other end is provided with boss one (2-3-1-2), to realize cavity（2-2）With single hole rear end
Lid（2-3-1）Be fastenedly connected, the single hole rear end cap（2-3-1）Center is provided with through hole three (2-3-1-3), and it is used for reality
The mounting arrangements of existing holding screw (2-3-2), the holding screw (2-3-2), it is used for and the side end of newel (2-5-4) one
Internal thread four（2-5-4-1）Connection is screwed, to realize newel (2-5-4) and single hole rear end cap（2-3-1）Be fastenedly connected,
The piston（2-4）For a kind of perforated piston, it is by perforated piston plate（2-4-1）And fixing screws（2-4-2）Composition is described more
Hole piston plate（2-4-1）Provided with perforated piston annular groove（2-4-1-2）, it is used for perforated piston sealing ring（2-4-1-1）'s
Mounting arrangements, to realize piston（2-4）With being tightly connected for inner volume (2-2-4), the perforated piston plate（2-4-1）Side
End is uniformly provided with internal thread three（2-4-1-3）, it is used for perforated piston plate（2-4-1）Pass through fixed spiral shell with pressing plate (2-5-1)
Nail（2-4-2）And realize and be fastenedly connected.
3. external piston coupling linkage formula piezo-electric generating cylinder according to claim 1, it is characterised in that：The rear end cap
Component（2-3）For a kind of porous rear end cap assemblies, it includes porous rear end cap（2-3-3）And fixing screws（2-4-2）, it is described many
Hole rear end cap（2-3-3）One side end excircle is to be provided with external screw thread four (2-3-3-1) structure, and it is used for and cavity（2-2）
Internal thread two set by one side end（2-2-2）Connection is screwed, to realize cavity（2-2）With porous rear end cap（2-3-3）It is tight
It is solidly connected, the porous rear end cap（2-3-3）The other end is provided with boss two（2-3-3-2）, to realize cavity（2-2）With it is porous
Rear end cap（2-3-3）Be fastenedly connected, the porous rear end cap（2-3-3）One side end face is uniformly provided with internal thread five（2-3-3-
3）, it is used for porous rear end cap（2-3-3）Pass through fixing screws with pressing plate (2-5-1)（2-4-2）And realize and be fastenedly connected, it is described
Piston（2-4）For a kind of single hole piston, it is by single hole piston plate（2-4-3）With holding screw (2-3-2) composition, the single hole is lived
Seben (2-4-3) is provided with single hole piston annular groove (2-4-3-2), and it is used for single hole piston packing ring (2-4-3-1) installation
Arrangement, to realize piston（2-4）With being tightly connected for inner volume (2-2-4), the single hole piston plate（2-4-3）Center
Provided with through hole four（2-4-3-3）, it is used to realize holding screw（2-3-2）Mounting arrangements, the holding screw（2-3-2）,
It is used for the internal thread four with the side end of newel (2-5-4) one（2-5-4-1）Connection is screwed, to realize newel (2-5-4)
With single hole piston plate（2-4-3）Be fastenedly connected.
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| CN201510843024.8A CN105281600B (en) | 2015-11-30 | 2015-11-30 | External piston coupling linkage formula piezo-electric generating cylinder |
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| CN201510843024.8A CN105281600B (en) | 2015-11-30 | 2015-11-30 | External piston coupling linkage formula piezo-electric generating cylinder |
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| CN105281600B true CN105281600B (en) | 2017-07-18 |
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| CN111059094B (en) * | 2020-01-09 | 2021-09-14 | 长春工业大学 | Limit screw rod rotation decoupling type mechanical rodless locking cylinder |
| CN113556056B (en) * | 2021-07-28 | 2022-09-23 | 青岛科技大学 | Piezoelectric film array type piezoelectric energy harvester for fluid pipeline |
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|---|---|---|---|---|
| KR20080039018A (en) * | 2006-10-31 | 2008-05-07 | 현대자동차주식회사 | Piezoelectric generator using master cylinder for vehicle |
| KR20110049294A (en) * | 2009-11-05 | 2011-05-12 | 한국전기연구원 | Self-generating mat |
| CN103267081A (en) * | 2013-05-10 | 2013-08-28 | 河南理工大学 | Piezoelectric power generation type damping-adjustable hydro-pneumatic suspension |
| EP2541753A3 (en) * | 2011-06-29 | 2014-02-26 | Andre Moura | Electromechanical converter intended for generating electricity and electric power plant |
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| CN101672220A (en) * | 2009-11-03 | 2010-03-17 | 李德平 | Reciprocating piston type internal combustion engine generating power in cylinder |
| CN101814859B (en) * | 2010-04-02 | 2012-05-23 | 清华大学 | Wave power piezoelectric generating device |
| CN202231636U (en) * | 2011-09-22 | 2012-05-23 | 张智瑞 | Piezoelectric type power generation device |
| CN104362899A (en) * | 2014-11-07 | 2015-02-18 | 河海大学 | Wave-energy piezoelectric power generation device based on fixed frequency and natural vibration |
| CN105041558B (en) * | 2015-07-14 | 2017-07-11 | 山东科技大学 | A kind of oscillaton water column type wave energy generating set based on piezo-electric effect |
| CN105089918B (en) * | 2015-08-19 | 2017-07-07 | 中国船舶重工集团公司第七一〇研究所 | A kind of wave energy generating set based on piezoelectric element |
| CN205195597U (en) * | 2015-11-30 | 2016-04-27 | 长春工业大学 | External piston coupling coordinated type piezoelectricity electricity generation cylinder |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080039018A (en) * | 2006-10-31 | 2008-05-07 | 현대자동차주식회사 | Piezoelectric generator using master cylinder for vehicle |
| KR20110049294A (en) * | 2009-11-05 | 2011-05-12 | 한국전기연구원 | Self-generating mat |
| EP2541753A3 (en) * | 2011-06-29 | 2014-02-26 | Andre Moura | Electromechanical converter intended for generating electricity and electric power plant |
| CN103267081A (en) * | 2013-05-10 | 2013-08-28 | 河南理工大学 | Piezoelectric power generation type damping-adjustable hydro-pneumatic suspension |
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