CN106899231B - A kind of rotary transducing head of piezo-electric generating - Google Patents
A kind of rotary transducing head of piezo-electric generating Download PDFInfo
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- CN106899231B CN106899231B CN201710157952.8A CN201710157952A CN106899231B CN 106899231 B CN106899231 B CN 106899231B CN 201710157952 A CN201710157952 A CN 201710157952A CN 106899231 B CN106899231 B CN 106899231B
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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
- H02N2/186—Vibration harvesters
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Abstract
The present invention provides a kind of rotary transducing head of piezo-electric generating, including top plate and bottom plate and annulus side wall shape, the spherical end of universal threaded drive rod is mounted in the universal limit hole on force bearing plate；Internal screw thread sun driving cog wheel disc is fitted on the screw thread body of rod of the universal threaded drive rod, planet carrier rotary cylinder is identical as the center of rotation of internal screw thread sun driving cog wheel disc；On the described planet carrier rotation drum outer wall along it is radially uniform it is radial be laid with multiple pressing arms, the end of pressing arm, which is provided with, squeezes end；One chip type piezoelectric energy converter is installed, end is squeezed when planet carrier rotary cylinder rotates to be contacted with the extruding of chip type piezoelectric energy converter, and chip type piezoelectric energy converter bending deformation produces electricl energy in a pair of electrodes card slot of two neighboring electrode fixed frame.The device of the invention stress conversion effect is good, and energy conversion efficiency is high, and durability is very high, and structure is simple, highly-safe, easy to operate, easy to repair.
Description
Technical field
The invention belongs to field of road, are related to piezo-electric generating technology, and in particular to a kind of piezo-electric generating rotatably changes
It can device.
Background technique
With petering out for the carbon stone energy, the research and utilization of new energy is extremely urgent.Piezoelectricity as clean energy resource
Power generation pavement technology increasingly by more and more extensive concern, the technology can by piezoelectric effect to road face internal vibration energy into
Row conversion is collected, cleanliness without any pollution, and economic benefit is huge.
Currently, the energy converter of piezo-electric generating technical application is mostly stack PZT (piezoelectric transducer) and Monolithic Piezoelectric energy converter,
But stack PZT (piezoelectric transducer) is due to higher cost, and the application of large area increases many costs in road engineering, and monolithic
Formula PZT (piezoelectric transducer) cost of manufacture is in contrast more cheap, and generating voltage is high, can satisfy the small-powers such as LED light group
The energy consumption of electrical appliance.And the design of the known piezoelectric generating device based on Monolithic Piezoelectric energy converter is mostly cantilever beam oscillator
The power source stroke of class, vibration is not sufficiently stable, so as to cause energy converter deformation it is different output it is irregular, energy conversion efficiency is low
Under in addition excess load running and functional damage occurs.Therefore develop that a kind of stress conversion is stable, energy conversion efficiency is high, resistance to
Long good, the easy to repair piezoelectric generating device of property is necessary.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to, a kind of rotary transducing head of piezo-electric generating, solution
Certainly during the Collection utilization of road vibrating machine energy, load transformation efficiency and the undesirable technology of energy conversion efficiency are asked
Topic.
In order to solve the above-mentioned technical problem, the present invention is realised by adopting the following technical scheme:
A kind of rotary transducing head of piezo-electric generating, the annulus side wall including top plate and bottom plate and connection top plate and bottom plate, top
Plate, bottom plate and annulus side wall form a columned dielectric chamber, further include universal threaded drive rod, the universal screw thread
Drive rod includes the screw thread body of rod, and the top of the screw thread body of rod is provided with spherical end, and the bottom end of the screw thread body of rod is machined with rectangular limit
Hole；The roof center position offers central through hole, and the bottom plate center is provided with rectangular spacer pin, universal spiral shell
Line drive rod passes through central through hole and enters in dielectric chamber, the rectangular limit hole and rectangular spacer pin of universal threaded drive rod bottom end
Cooperation is cased with first back-moving spring so that universal threaded drive rod can only move axially so on rectangular spacer pin, first resets
One end of spring is withstood on plate inner wall, and the other end of first back-moving spring withstands on the bottom end of universal threaded drive rod；
The spherical end of the universal threaded drive rod is stretched out outside top plate, and spherical end is mounted on universal on force bearing plate
It limits in hole；
Internal screw thread sun driving cog wheel disc, universal spiral shell are fitted on the screw thread body of rod of the universal threaded drive rod
Line drive rod axially elevating movement when be able to drive internal screw thread sun driving cog wheel disc with the center of universal threaded drive rod
It is rotated centered on axis, internal screw thread sun driving cog wheel disc is by realizing gear between planet pinion and planet carrier rotary cylinder
Transmission, planet carrier rotary cylinder are identical as the center of rotation of internal screw thread sun driving cog wheel disc；The planet carrier rotates drum outer wall
On along it is radially uniform it is radial be laid with multiple pressing arms, the end of pressing arm, which is provided with, squeezes end；
The uniformly distributed electrode fixed frame for having multiple insulation, each electrode fixed frame two sides are respectively opened on the annulus side wall
Equipped with an electrode card slot, a chip type piezoelectric energy converter is installed in a pair of electrodes card slot of two neighboring electrode fixed frame,
The number of chip type piezoelectric energy converter is equal with the number of end is squeezed, and squeezing end when planet carrier rotary cylinder rotates can be with sheet
PZT (piezoelectric transducer) squeezes contact, and chip type piezoelectric energy converter bending deformation produces electricl energy；
The first conductive sheet contacted with chip type piezoelectric energy converter upper surface, electrode card slot are installed in the electrode card slot
It is inside also equipped with the second conductive sheet with chip type piezoelectric energy converter following table face contact, the upper surface of each chip type piezoelectric energy converter is only
It being contacted with first conductive sheet, the lower surface of each chip type piezoelectric energy converter is also only contacted with second conductive sheet, and first
Conductive sheet and the second conductive sheet are transferred out electric energy by conducting wire as two electrodes of chip type piezoelectric energy converter.
The present invention also has following distinguishing feature:
A circle hard electrode retaining collar is provided on the inner wall of the annulus side wall, the hard electrode retaining collar includes the first electricity
Pole layer and the second electrode lay are provided with insulating layer between first electrode layer and the second electrode lay, each first conductive sheet is by leading
Line is connected with first electrode layer, and each second conductive sheet is connected by conducting wire with the second electrode lay, first electrode layer and the second electricity
Pole layer is drawn electric energy from the wire outlet being arranged on annulus side wall by conducting wire.
Each distalmost end for squeezing end is equal with the distance between the central axis of universal threaded drive rod, each sheet
PZT (piezoelectric transducer) is equal with the distance between the central axis of universal threaded drive rod.
The distance between the distalmost end of the extruding end and the central axis of universal threaded drive rod are greater than sheet pressure
The distance between the central axis of electric transducer and universal threaded drive rod；The distalmost end of the extruding end and universal screw thread
The distance between central axis of drive rod than between chip type piezoelectric energy converter and the central axis of universal threaded drive rod away from
From big 1mm~1.5mm.
It is also uniformly distributed between the force bearing plate and top plate to have multiple guide extension bars, one end of guide extension bar with hold
Power plate is fixedly connected, and the other end of guide extension bar is fixedly connected with top plate.
Second back-moving spring is cased on the guide extension bar, one end of second back-moving spring is withstood on force bearing plate, the
The other end of two reset springs is withstood on top plate.
Annular stop card slot, the top plate are provided at the top and bottom of the internal screw thread sun driving cog wheel disc
With the annular stop clamp rail that limit is matched with annular stop card slot is provided on bottom plate.
The planet pinion is mounted on the dielectric chamber between top plate and bottom plate by planet pinion shaft
It is interior.
The planet carrier rotary cylinder passes through the planet carrier rotary cylinder guide rail being arranged on top plate and bottom plate and is mounted on insulation
In cavity.
It is bolted to connection between the top plate and bottom plate and annulus side wall.
The extruding end is spherical shape.
Compared with prior art, the present invention having the following technical effect that
(I) the device of the invention stress conversion effect is good, and energy conversion efficiency is high, and durability is very high, and structure is simple, safe
Property is high, easy to operate, easy to repair.
(II) the device of the invention converts Vertical Load for multiple directions load by way of Universal drive, and stress turns
It is good to change effect.
(III) the device of the invention is disposed with multiple monolithic piezoelectric transducers, and generate electricity production capacity simultaneously when the rotor rotates, energy
Measure high conversion efficiency.
(IV) the chip type piezoelectric energy converter deformation quantity of apparatus of the present invention is fixed 1mm, moderate finite deformation will not occur and lead
Functional damage is caused, durability is very high.
(V) the device of the invention adapt to different numbers, length, width chip type piezoelectric energy converter, and number be not limited to it is attached
Number in figure.
(VI) the device of the invention exterior is high-intensitive hard material, and high intensity, durability are good, recycling can be recycled.
(VII) invention can be widely used in road engineering, as pavement, runway road surface, deceleration strip, charge station road surface or
Person's non-motor vehicle road surface, load high conversion efficiency, energy conversion efficiency are high, have very high durability, and installation is simple and convenient,
For ease of maintenaince.
Detailed description of the invention
Fig. 1 is the front cross-sectional structural schematic diagram of the present apparatus.
Fig. 2 is the dielectric chamber schematic diagram of internal structure of the present apparatus.
Fig. 3 is the overlooking structure diagram of top plate.
Fig. 4 is the overlooking structure diagram of bottom plate.
Fig. 5 is the structural schematic diagram of internal screw thread sun gear disk.
Fig. 6 is the structural schematic diagram of universal threaded drive rod.
Fig. 7 is the structural schematic diagram of electrode fixed frame.
Fig. 8 is the scheme of installation of chip type piezoelectric energy converter.
The meaning of each label in figure are as follows: 1- top plate, 2- bottom plate, 3- connection top plate, 4- dielectric chamber, the universal screw thread of 5- pass
Lever, (5-1)-screw thread body of rod, (5-2)-spherical end, (5-3)-rectangular limit hole, 6- central through hole, the rectangular spacer pin of 7-,
8- first back-moving spring, 9- force bearing plate, the universal limit hole 10-, 11- internal screw thread sun driving cog wheel disc, 12- Gear Planet Transmission tooth
Wheel, 13- planet carrier rotary cylinder, 14- pressing arm, 15- squeeze end, 16- electrode fixed frame, 17- electrode card slot, 18- sheet pressure
Electric transducer, the first conductive sheet of 19-, the second conductive sheet of 20-, 21- conducting wire, 22- hard electrode retaining collar, (22-1)-first electrode layer,
(22-2)-the second electrode lay, (22-3)-insulating layer, 23- wire outlet, 24- guide extension bar, 25- second back-moving spring, 26-
Annular stop card slot, 27- annular stop clamp rail, 28- planet pinion shaft, 29- planet carrier rotary cylinder guide rail, 30- bolt.
Explanation is further explained in detail to particular content of the invention with reference to embodiments.
Specific embodiment
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Embodiment:
In compliance with the above technical solution, as shown in Figures 1 to 8, the present embodiment provides a kind of rotary transducing dress of piezo-electric generating
It sets, including top plate 1, bottom plate 2 and the annulus side wall 3 for connecting top plate 1 and bottom plate 2, top plate 1, bottom plate 2 and annulus side wall 3 form one
A columned dielectric chamber 4, further includes universal threaded drive rod 5, and the universal threaded drive rod 5 includes screw thread body of rod 5-
1, the top of screw thread body of rod 5-1 is provided with spherical end 5-2, and the bottom end of screw thread body of rod 5-1 is machined with rectangular limit hole 5-3；Institute
1 center of top plate stated offers central through hole 6, and 2 center of bottom plate is provided with rectangular spacer pin 7, universal spiral shell
Line drive rod 5 passes through central through hole 6 and enters in dielectric chamber 4, the rectangular limit hole 5-3 of universal 5 bottom end of threaded drive rod and side
Shape spacer pin 7 cooperates so that universal threaded drive rod 5 can only move axially so, and the first reset bullet is cased on rectangular spacer pin 7
Spring 8, one end of first back-moving spring 8 are withstood on 2 inner wall of bottom plate, and the other end of first back-moving spring 8 withstands on universal screw-driven
The bottom end of bar 5；
The spherical end 5-2 of the universal threaded drive rod 5 stretches out outside top plate 1, and spherical end 5-2 is mounted on force bearing plate
In universal limit hole 10 on 9；
Internal screw thread sun driving cog wheel disc 11 is fitted on the screw thread body of rod 5-1 of the universal threaded drive rod 5,
Universal threaded drive rod 5 axially elevating movement when be able to drive internal screw thread sun driving cog wheel disc 11 with universal screw-driven
It is rotated centered on the central axis of bar 5, internal screw thread sun driving cog wheel disc 11 is rotated by planet pinion 12 and planet carrier
Gear drive is realized between cylinder 13, and planet carrier rotary cylinder 13 is identical as the center of rotation of internal screw thread sun driving cog wheel disc 11；Institute
On 13 outer wall of planet carrier rotary cylinder stated along it is radially uniform it is radial be laid with multiple pressing arms 14, the end of pressing arm 14 is set
It is equipped with and squeezes end 15；
The uniformly distributed electrode fixed frame 16 for having multiple insulation, 16 liang of each electrode fixed frame on the annulus side wall 3
Side respectively offers an electrode card slot 17, and a sheet is equipped in a pair of electrodes card slot 17 of two neighboring electrode fixed frame 16
PZT (piezoelectric transducer) 18, the number of chip type piezoelectric energy converter 18 is equal with the number of end 15 is squeezed, and planet carrier rotary cylinder 13 rotates
When squeeze end 15 can with chip type piezoelectric energy converter 18 squeeze contact, 18 bending deformation of chip type piezoelectric energy converter produces electricl energy；
The first conductive sheet 19 contacted with 18 upper surface of chip type piezoelectric energy converter, electrode card slot are installed in electrode card slot 17
The second conductive sheet 20 with 18 following table face contact of chip type piezoelectric energy converter is also equipped in 17, each chip type piezoelectric energy converter 18
Upper surface is only contacted with first conductive sheet 19, and the lower surface of each chip type piezoelectric energy converter 18 is also only conductive with one second
Piece 20 contacts, and the first conductive sheet 19 and the second conductive sheet 20 will by conducting wire 21 as two electrodes of chip type piezoelectric energy converter 18
Electric energy transfers out.
As a preferred embodiment, a circle hard electrode retaining collar 22, the hard electricity are provided on the inner wall of annulus side wall 3
Polar ring 22 includes first electrode layer 22-1 and the second electrode lay 22-2, is set between first electrode layer 22-1 and the second electrode lay 22-2
It is equipped with insulating layer 22-3, each first conductive sheet 19 is connected by conducting wire 21 with first electrode layer 22-1, each second conductive sheet
20 are connected by conducting wire 21 with the second electrode lay 22-2, and first electrode layer 22-1 and the second electrode lay 22-2 will be electric by conducting wire 21
It can be drawn from the wire outlet 23 being arranged on annulus side wall 3.Hard electrode retaining collar 22 can bring to avoid the extraction of a plurality of conducting wire
Confusion, also can guarantee being stably connected with for multiple spot output, avoid the open circuit caused by reasons such as broken string.Wire outlet 23 is in conducting wire 21
Processing is sealed with rubber sealant after extraction.
Specifically, the distance between each distalmost end for squeezing end 15 and the central axis of universal threaded drive rod 5 phase
Deng each chip type piezoelectric energy converter 18 is equal with the distance between the central axis of universal threaded drive rod 5.Squeeze end 15
The distance between central axis of distalmost end and universal threaded drive rod 5 is greater than chip type piezoelectric energy converter 18 and universal screw-driven
The distance between the central axis of bar 5；The central axis of the distalmost end of the described extruding end 15 and universal threaded drive rod 5 it
Between distance it is 1mm~1.5mm bigger than the distance between central axis of chip type piezoelectric energy converter 18 and universal threaded drive rod 5,
It is preferred that 1mm, to squeeze end 15 by that can apply to it at chip type piezoelectric energy converter 18 when planet carrier rotary cylinder 13 rotates
Extruding force then guarantees that the vertical fixed deformation of 1mm occurs for chip type piezoelectric energy converter 18, functional to prevent the excessive generation of deformation quantity
Damage.
As a preferred embodiment, also uniformly distributed between force bearing plate 9 and top plate 1 to have multiple guide extension bars 24, this reality
It applies in example as a preferred embodiment, guide extension bar 24 is four, one end of guide extension bar 24 and the fixed company of force bearing plate 9
It connects, the other end of guide extension bar 24 is fixedly connected with top plate 1.Guide extension bar 24 enables to the external world to be applied to force bearing plate 9
On power more balancedly pass to universal threaded drive rod 5.
As a kind of more preferable scheme, second back-moving spring 25 is cased on guide extension bar 24, second back-moving spring 25
One end is withstood on force bearing plate 9, and the other end of second back-moving spring 25 is withstood on top plate 1.Second back-moving spring 25 can assist in
One reset spring 8 is better achieved after universal threaded drive rod 5 is accepted and returns back to initial position.
The top and bottom of internal screw thread sun driving cog wheel disc 11 are provided with annular stop card slot 26, the top plate 1
With the annular stop clamp rail 27 that limit is matched with annular stop card slot 26 is provided on bottom plate 2.Increase the internal screw thread sun to pass
The stability of 11 rotation process of movable tooth wheel disc.
Planet pinion 12 is mounted on the dielectric chamber 4 between top plate 1 and bottom plate 2 by planet pinion shaft 28
It is interior.
Planet carrier rotary cylinder 13 passes through the planet carrier rotary cylinder guide rail 29 being arranged on top plate 1 and bottom plate 2 and is mounted on insulation
In cavity 4.Increase the stability in 13 rotation process of planet carrier rotary cylinder.
It is fixedly connected between top plate 1, bottom plate 2 and annulus side wall 3 by bolt 30, structure inside installation and replacement easy to disassemble
Part.
Squeezing end 15 is spherical shape, will not damage chip type piezoelectric contacting in friction process with chip type piezoelectric energy converter 18 and changes
It can device 18.
The internal screw thread on external screw thread and internal screw thread sun driving cog wheel disc 11 on universal threaded drive rod 5 is high intensity
Screw thread made of steel, screw thread will not generate destruction during guaranteeing screw-driven.
Installation process:
Step 1 successively fills planet carrier rotary cylinder 13, planet pinion 12 and internal screw thread sun driving cog wheel disc 11
Enter on bottom plate 2 in corresponding planet carrier rotary cylinder guide rail 29, planet pinion shaft 28 and annular stop clamp rail 27, each
Lubricant is added between retainer ring, axis and driving cog.
The abutting annulus side wall 3 of hard electrode retaining collar 22 is installed, connects each first conductive sheet 19 by conducting wire 21 by step 2
With the second conductive sheet 20, then chip type piezoelectric energy converter 18 is fitted into electrode card slot 17, notices that the installation direction of electrode wants one
It causes.
Step 3, the annulus side wall 3 that will install conducting wire 21 and chip type piezoelectric energy converter 18 are put on bottom plate 2, are found pair
Answer position bolt 30 that annulus side wall 3 and bottom plate 2 is fixed.
The spherical end 5-2 of universal threaded drive rod 5 is fitted into the universal limit hole 10 of force bearing plate 9 by step 4.
The force bearing plate 10 connected and universal threaded drive rod 5 are placed in 1 top of top plate, pay attention to universal spiral shell by step 5
Line drive rod 5 passes through central through hole 6, and second back-moving spring 25 is inserted in outside guide extension bar 24, then welding or other companies
It connects mode and is fixedly connected at the both ends of guide extension bar 24 with more than 9 top plate 1 of force bearing plate.
The force bearing plate 9 connected, top plate 1 and universal threaded drive rod 5 are placed in the annulus side wall connected by step 5
3 with 2 top of lower plate, the rectangular limit hole 5-3 for paying attention to universal threaded drive rod 5 and the mating peace of rectangular spacer pin 7 on bottom plate 2
Dress, 8 sets of first back-moving spring on rectangular spacer pin 7, top plate is connect fastening with annulus side wall 3 with bolt 30 by capturing position.
Use process:
In use, device is mounted on road in the following, giving 9 one load of force bearing plate, force bearing plate 9 when there is vehicle to pass through
Universal threaded drive rod 5 is transferred load to, universal threaded drive rod 5 moves downward, will be vertical by way of screw thread power transmission
Load be converted into internal screw thread sun driving cog wheel disc 11 around the rotatory force at center, internal screw thread sun driving cog wheel disc 11 rotates
When, drive planet carrier rotary cylinder 13 to rotate by planet pinion 12, the rotation of planet carrier rotary cylinder 13 is so that pressing arm 14
Rotation, squeezing end 15 can be with 18 contact squeeze of chip type piezoelectric energy converter when doing circular motion, and chip type piezoelectric energy converter 18 is curved
Song deformation produces electricl energy, and the first conductive sheet 19 and the second conductive sheet 20 pass through as two electrodes of chip type piezoelectric energy converter 18 leads
Line 21 transfers electrical energy into hard electrode retaining collar 22, hard electrode retaining collar 22 by conducting wire 21 by electric energy from be arranged in annulus side wall 3
On wire outlet 23 draw.
When force bearing plate 9 bears load, first back-moving spring 8 and second back-moving spring 25 and its guide extension bar 24 are pressed
Contracting, after the load on force bearing plate 9 unloads, the force bearing plate 9 and ten thousand under the drive of first back-moving spring 8 and second back-moving spring 25
It walks to restore initial position upwards to threaded drive rod 5, in recovery process, pressing arm 14 is rotated backward, and is squeezed end 15 and is being done
It can be generated again with 18 contact squeeze of chip type piezoelectric energy converter, 18 bending deformation of chip type piezoelectric energy converter when reversed circular motion
Electric energy.
Test case:
Select progress generating effect test in 8 1mm thickness monolithic piezoelectric transducer charging apparatus.It is carried out according to above step
Device installation, is put into MTS dynamic servo hydraulic test system for the present apparatus, fixed to the present apparatus to limit, and pacifies in upper clamp
The pressure head of diameter 20cm is filled, loading frequency is the moment impact of the 0.6kN and 22kN of 2Hz, simulation loading 60kg adult walking lotus
It carries and carries out generating effect test with 0.7MPa traffic load.Test result is as follows shown in table.
As seen from the above table, after secondary load tests up to ten thousand, present apparatus chip type piezoelectric energy converter keeps normal energy defeated
Out, without obvious decaying；After detachment device, all chip type piezoelectric energy converters of the present apparatus are intact, no breakoff phenomenon.
Claims (10)
1. a kind of rotary transducing head of piezo-electric generating, including top plate (1), bottom plate (2) and connection top plate (1) and bottom plate (2)
Annulus side wall (3), top plate (1), bottom plate (2) and annulus side wall (3) form a columned dielectric chamber (4), and feature exists
In further including universal threaded drive rod (5), the universal threaded drive rod (5) includes the screw thread body of rod (5-1), the screw thread body of rod
The top of (5-1) is provided with spherical end (5-2), and the bottom end of the screw thread body of rod (5-1) is machined with rectangular limit hole (5-3)；It is described
Top plate (1) center offer central through hole (6), the bottom plate (2) center is provided with rectangular spacer pin (7),
Universal threaded drive rod (5) pass through central through hole (6) enter dielectric chamber (4) in, universal threaded drive rod (5) bottom end it is rectangular
Limit hole (5-3) and rectangular spacer pin (7) cooperate so that universal threaded drive rod (5) can only move axially so, rectangular limit
It is cased with first back-moving spring (8) on pin (7), one end of first back-moving spring (8) is withstood on bottom plate (2) inner wall, and first resets bullet
The other end of spring (8) withstands on the bottom end of universal threaded drive rod (5)；
The spherical end (5-2) of the universal threaded drive rod (5) stretches out top plate (1) outside, and spherical end (5-2), which is mounted on, holds
In universal limit hole (10) on power plate (9)；
Internal screw thread sun driving cog wheel disc is fitted on the screw thread body of rod (5-1) of the universal threaded drive rod (5)
(11), universal threaded drive rod (5) axially elevating movement when be able to drive internal screw thread sun driving cog wheel disc (11) with ten thousand
It is rotated centered on to the central axis of threaded drive rod (5), internal screw thread sun driving cog wheel disc (11) passes through planet pinion
(12) gear drive, planet carrier rotary cylinder (13) and internal screw thread sun driving cog wheel disc are realized between planet carrier rotary cylinder (13)
(11) center of rotation is identical；On described planet carrier rotary cylinder (13) outer wall along it is radially uniform it is radial be laid with it is multiple squeeze
Pressure arm (14), the end of pressing arm (14), which is provided with, squeezes end (15)；
The uniformly distributed electrode fixed frame (16) for having multiple insulation, each electrode fixed frame (16) on the annulus side wall (3)
Two sides respectively offer an electrode card slot (17), are equipped in a pair of electrodes card slot (17) of two neighboring electrode fixed frame (16)
One chip type piezoelectric energy converter (18), the number of chip type piezoelectric energy converter (18) is equal with the number of end (15) is squeezed, planet
End (15) are squeezed when frame rotary cylinder (13) rotates to be contacted with chip type piezoelectric energy converter (18) extruding, chip type piezoelectric energy converter
(18) bending deformation produces electricl energy；
The first conductive sheet (19) contacted with chip type piezoelectric energy converter (18) upper surface is installed in the electrode card slot (17),
The second conductive sheet (20) with chip type piezoelectric energy converter (18) following table face contact, each sheet are also equipped in electrode card slot (17)
The upper surface of PZT (piezoelectric transducer) (18) is only contacted with first conductive sheet (19), the following table of each chip type piezoelectric energy converter (18)
Face is also only contacted with second conductive sheet (20), and the first conductive sheet (19) and the second conductive sheet (20) are used as chip type piezoelectric transducing
Two electrodes of device (18) are transferred out electric energy by conducting wire (21).
2. the rotary transducing head of piezo-electric generating as described in claim 1, which is characterized in that the annulus side wall (3)
A circle hard electrode retaining collar (22) is provided on inner wall, the hard electrode retaining collar (22) includes first electrode layer (22-1) and second
Electrode layer (22-2) is provided with insulating layer (22-3), Mei Ge between first electrode layer (22-1) and the second electrode lay (22-2)
One conductive sheet (19) is connected by conducting wire (21) with first electrode layer (22-1), and each second conductive sheet (20) passes through conducting wire (21)
Be connected with the second electrode lay (22-2), first electrode layer (22-1) and the second electrode lay (22-2) by conducting wire (21) by electric energy from
The wire outlet (23) being arranged on annulus side wall (3) is drawn.
3. the rotary transducing head of piezo-electric generating as described in claim 1, which is characterized in that each extruding end (15) is most
Distal end it is equal with the distance between the central axis of universal threaded drive rod (5), each chip type piezoelectric energy converter (18) with it is universal
The distance between the central axis of threaded drive rod (5) is equal.
4. the rotary transducing head of piezo-electric generating as claimed in claim 3, which is characterized in that the extruding end (15)
The distance between central axis of distalmost end and universal threaded drive rod (5) is greater than chip type piezoelectric energy converter (18) and universal screw thread
The distance between the central axis of drive rod (5)；The distalmost end of the extruding end (15) and universal threaded drive rod (5)
Central axis the distance between of the distance between the central axis than chip type piezoelectric energy converter (18) and universal threaded drive rod (5)
Big 1mm~1.5mm.
5. the rotary transducing head of piezo-electric generating as described in claim 1, which is characterized in that the force bearing plate (9) and top
Also uniformly distributed between plate (1) to have multiple guide extension bars (24), one end and force bearing plate (9) of guide extension bar (24) are fixed to be connected
It connects, the other end of guide extension bar (24) is fixedly connected with top plate (1).
6. the rotary transducing head of piezo-electric generating as claimed in claim 5, which is characterized in that the guide extension bar (24)
On be cased with second back-moving spring (25), one end of second back-moving spring (25) is withstood on force bearing plate (9), second back-moving spring (25)
The other end withstand on top plate (1).
7. the rotary transducing head of piezo-electric generating as described in claim 1, which is characterized in that the internal screw thread sun transmission
It is provided at the top and bottom of toothed disc (11) annular stop card slot (26), is respectively provided on the top plate (1) and bottom plate (2)
There is the annular stop clamp rail (27) that limit is matched with annular stop card slot (26).
8. the rotary transducing head of piezo-electric generating as described in claim 1, which is characterized in that the planet pinion
(12) it is mounted on the dielectric chamber (4) between top plate (1) and bottom plate (2) Nei by planet pinion shaft (28).
9. the rotary transducing head of piezo-electric generating as described in claim 1, which is characterized in that the planet carrier rotary cylinder
(13) it is mounted in dielectric chamber (4) by the planet carrier rotary cylinder guide rail (29) being arranged on top plate (1) and bottom plate (2).
10. the rotary transducing head of piezo-electric generating as described in claim 1, which is characterized in that the extruding end (15)
For spherical shape.
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| CN107979304B (en) * | 2017-10-27 | 2019-07-30 | 长安大学 | A kind of alternating expression piezo-electric generating transducing head |
| CN108361143B (en) * | 2018-01-25 | 2020-07-28 | 浙江海洋大学 | Pressure energy collecting device for island |
| CN108718161B (en) * | 2018-05-31 | 2019-07-12 | 北京工业大学 | A kind of piezo-electric generating floor |
| CN109067244B (en) * | 2018-08-28 | 2023-12-15 | 华南理工大学 | Offshore power supply system and power supply method |
| CN110369247A (en) * | 2019-01-23 | 2019-10-25 | 深圳市德力凯医疗设备股份有限公司 | A kind of annular array transducer and preparation method |
| CN110336487B (en) * | 2019-07-30 | 2024-04-26 | 长安大学 | Road piezoelectric transduction device and method |
| CN112953304B (en) * | 2021-04-22 | 2022-06-17 | 长春工业大学 | Umbrella type road piezoelectric power generation device |
| CN115694259B (en) * | 2022-11-08 | 2024-03-26 | 南方电网数字电网研究院有限公司 | Composite energy taking device |
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| FR2723635B1 (en) * | 1994-08-11 | 1996-10-18 | Sagem | VIBRATING GYROMETRIC DEVICE WITH PIEZOELECTRIC EFFECT |
| JP2005237156A (en) * | 2004-02-23 | 2005-09-02 | Taiheiyo Cement Corp | Power generating device and system |
| CH708212B1 (en) * | 2013-06-10 | 2017-08-31 | Richemont Int Sa | Microgenerator, especially for wristwatch. |
| TWI569570B (en) * | 2016-02-26 | 2017-02-01 | 國立臺灣科技大學 | Piezoelectric electrically generator activated by a first rotating member and rotor system therewith |
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