CN108599619A - A kind of hemispherical energy gathering apparatus based on piezoelectric element - Google Patents
A kind of hemispherical energy gathering apparatus based on piezoelectric element Download PDFInfo
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- CN108599619A CN108599619A CN201810737166.XA CN201810737166A CN108599619A CN 108599619 A CN108599619 A CN 108599619A CN 201810737166 A CN201810737166 A CN 201810737166A CN 108599619 A CN108599619 A CN 108599619A
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- connector portions
- piezoelectric element
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- pedestal
- collector ring
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 54
- 150000001875 compounds Chemical class 0.000 claims abstract description 45
- 239000010410 layer Substances 0.000 claims abstract description 45
- 210000004508 polar body Anatomy 0.000 claims abstract description 18
- 239000013047 polymeric layer Substances 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims description 9
- 229920000620 organic polymer Polymers 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 238000011161 development Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000002445 nipple Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- 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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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of hemispherical energy gathering apparatus based on piezoelectric element, including：Compound piezoelectric element, pedestal and the connector portions of hemisphere shell sape, wherein：The compound piezoelectric element of hemisphere shell sape includes outer polymeric layer sequentially connected from outside to inside, outer electrode layer, piezoelectric layer, inner electrode layer and interpolymer layer；Pedestal includes the compound piezoelectric element locating slot of the compound piezoelectric element for fixing hemisphere shell sape and the connector portions accommodating chamber for accommodating connector portions；Connector portions include dispatch from foreign news agency polar body and interior electrode body, as the electrode for exporting the electric energy of the compound piezoelectric element generation of hemisphere shell sape.The energy gathering apparatus new in structure of the present invention is convenient for modularized production and assembling, is suitable for large-scale application.
Description
Technical field
The present invention relates to a kind of hemispherical energy gathering apparatus based on piezoelectric element, is belonged to and is produced using piezoelectric effect
The field of raw electric energy.
Background technology
It is distributed the increasingly increase of concentration degree along with the sustainable growth of energy-consuming and energy resources, energy resources are striven
Taking by force will be growing more intense, and the mode of contention is also more complicated.Meanwhile fossil energy will to the pollution of environment and the influence of global climate
It is on the rise.In face of energy challenge, national energy structure is only adjusted, greatly develops new energy and regenerative resource, emphasis pair
The recycling for having the energy, just can guarantee China's the energy safety of supply, promote strategic emerging industries development, realize the energy with
Economical, society, environment coordinated development and sustainable development.In today that magnitude of traffic flow net grows stronger day by day, how automobile, from
Driving, pedestrian etc. in road traffic scatter and disappear collection of energy simultaneously be used, have become one that energy recovery utilizes it is fine
New breakthrough point, is increasingly subject to the attention of scientists from all over the world.
The currently used method for collecting road energy is incited somebody to action using the piezoelectric effect of piezoelectric material based on piezoelectric effect
Since the mechanical energy that shock and vibration generate is converted by piezoelectric vibrator to electric energy, output power is made to disclosure satisfy that requirement.
There can be series of advantages using road energy collecting device, such as energy density height, can directly generate suitable voltage, be not necessarily to
Apply starting voltage, structure design is without limitation, no electromagnetic interference etc..Based on these advantages, technique is rapidly developed.Together
The key lab of the Road and Traffic Engineering Ministry of Education of Ji university, has studied the bituminous paving collection of energy skill based on piezoelectric effect
The feasibility of art and conversion efficiency, the verification experimental verification feasibility of piezoelectric type road surface energy collection technology scheme.The one of Israel
Company announced to have developed the road surface energy collecting system based on PZT (piezoelectric transducer) in 2008.
The common feature of these above-mentioned energy collecting systems is, by the way that the piezoelectric element under road surface is arranged, to collect road surface
Vibration, and be converted into utilization of power.But it is different degrees of there are complicated in these systems, large-scale application is limited
The problems such as processed.
Invention content
The technical problem to be solved by the present invention is to：In view of the defects existing in the prior art, it is succinct to provide a kind of structure novel,
Convenient for modularized production and assembling, it is suitable for the energy gathering apparatus based on piezoelectric element of large-scale application.
Used technical solution is as follows to solve above-mentioned technical problem by the present invention：
A kind of hemispherical energy gathering apparatus based on piezoelectric element provided by the invention, including：Hemisphere shell sape
Compound piezoelectric element, pedestal and connector portions, wherein：The compound piezoelectric element of hemisphere shell sape includes sequentially connected from outside to inside outer
Polymeric layer, outer electrode layer, piezoelectric layer, inner electrode layer and interpolymer layer；Pedestal includes for fixing the compound of hemisphere shell sape
The compound piezoelectric element locating slot of piezoelectric element and connector portions accommodating chamber for accommodating connector portions；Connector portions include dispatch from foreign news agency polar body
With interior electrode body, the electrode as the electric energy output for generating the compound piezoelectric element of hemisphere shell sape.
Further, piezoelectric layer includes multiple spaced piezoelectric ceramics blocks and between multiple piezoelectric ceramics blocks
Organic polymer body.
Further, pedestal is in oblate cylindricality substantially, further includes：Protrude from the outer positioning ring of base upper surface and interior positioning
Ring, wherein outer positioning ring and interior locating ring are arranged concentrically, and are formed between outer positioning ring and interior locating ring for fixing hemisphere
The compound piezoelectric element locating slot of the compound piezoelectric element of hull shape；Outer collector ring and interior collector ring, wherein outer collector ring and interior collection
Electric ring is arranged concentrically, and is both exposed to be located at the positioning groove bottom of compound piezoelectric element positioning trench bottom, so that in hemisphere
In the state that the compound piezoelectric element of hull shape is mounted on the base, outer electrode layer is electrically connected with outer collector ring, inner electrode layer with it is interior
Collector ring is electrically connected.
Further, pedestal further includes：Outer collector ring lead division and interior collector ring near connector portions accommodating chamber are drawn
Line；And wherein, outer collector ring lead division is electrically connected with outer collector ring, and extends downward into connector portions accommodating chamber from outer collector ring
Inner circumferential surface so that in the state that connector portions are mounted on the base, outer collector ring lead division is electrically connected with dispatch from foreign news agency polar body
It connects；Interior collector ring lead-out wire is electrically connected with interior collector ring, and the central shaft of connector portions accommodating chamber is extended downward into from interior collector ring
Line extends horizontally to the inboard surface of connector portions accommodating chamber later, so that in the state that connector portions are mounted on the base, it is interior
Collector ring lead-out wire is electrically connected with interior electrode body.
Further, pedestal further includes the connector portions positioning bar positioned at connector portions accommodating chamber bottom centre position, connector portions
Positioning bar extends along the central axial direction of connector portions accommodating chamber；In the state that connector portions are mounted on the base, connector portions are fixed
Position muscle is used for landing nipple portion.
Further, the top half of connector portions is semicolumn, and lower half portion is cuboid；In the central axis of connector portions
Place is provided with interior electrode body, and the both ends of interior electrode body are both exposed to the surface at connector portions both ends；Around interior electrode body, in connector portions
One end be provided with cricoid dispatch from foreign news agency polar body, dispatch from foreign news agency polar body is exposed to the surface of one end of connector portions；It is provided in connector portions
One end of external electrode lead, external electrode lead is electrically connected in the inside of connector portions with dispatch from foreign news agency polar body, the other end of external electrode lead
It is exposed to the top surface of the semicolumn of connector portions top half.
Further, the bottom surface of connector portions is provided with the locating slot of the central axial direction extension along connector portions, in connector
In the state that portion is mounted on the base, locating slot is used for landing nipple portion.
Compared with prior art, the present invention having advantageous effect below：
1. the energy gathering apparatus of the present invention is hemispherical, new in structure.Also, the compound pressure of hemisphere shell sape
Electric device can efficiently incude extraneous vibration, and efficiency of energy collection is high.
2. the energy gathering apparatus of the present invention is by three compound piezoelectric element of hemisphere shell sape, pedestal and connector portions moulds
Block assembles, and is convenient for modularized production and assembling, is suitable for large-scale application.
3. the energy gathering apparatus of the present invention is provided with the electrode for being connected with peripheral circuit in connector portions, just
In the array being made of multiple same energy gathering apparatus is arranged in the application, the effect of vibration energy harvesting is improved.
Description of the drawings
Fig. 1 shows a kind of positive sectional view of hemispherical energy gathering apparatus totality according to the present invention.
After plane being expanded into Fig. 2 shows the piezoelectric layer in the compound piezoelectric element of hemisphere shell sape according to the present invention, office
The schematic top plan view of portion's part.
Fig. 3 shows the vertical view of pedestal according to the present invention.Wherein, compound piezoelectric element is removed from pedestal.
Fig. 4 show pedestal according to the present invention the near sites being connected with connector portions enlarged partial sectional view.
Wherein, compound piezoelectric element and connector portions are removed from pedestal.
Fig. 5 shows the positive sectional view of connector portions according to the present invention.
Fig. 6 shows the side view of pedestal according to the present invention.Wherein, connector portions are installed, and will be compound in pedestal
Piezoelectric element is removed from pedestal.
Specific implementation mode
Further description and explanation are made to the present invention with reference to embodiment and attached drawing, but protected not as to the present invention
Protect the limitation of range.
Referring to Fig.1, the hemispherical energy gathering apparatus 100 of the invention based on piezoelectric element, including：Hemisphere shell sape
Compound piezoelectric element 200, pedestal 300 and connector portions 400.
The compound piezoelectric element 200 of hemisphere shell sape includes outer polymeric layer 201 sequentially connected from outside to inside, outer electrode layer
202, piezoelectric layer 203, inner electrode layer 204 and interpolymer layer 205.
Wherein, protective layer of the outer polymeric layer 201 as the compound piezoelectric element 200 of entire hemisphere shell sape, bears to come from
Extraneous pressure and vibration, and can be by conduct vibrations to internal piezoelectric layer 203.Meanwhile outer polymeric layer 201 is also used as electricity
Its internal outer electrode layer 202 is isolated from the outside by insulating layer.In addition, outer polymeric layer 201 is also used as isolating seal layer, prevent
Only extraneous steam and pollutant etc. corrode and pollute its internal electrode layer and piezoelectric element.As outer polymeric layer 201
Typical case, outer polymeric layer 201 can be made of polyurethane material.It is hemisphere shell sape by the way that outer polymeric layer 201 is arranged
Compound piezoelectric element 200 provides good insulation and sealing performance, while improving the compound piezoelectric element 200 of hemisphere shell sape
Resist the mechanical strength of ambient pressure.
Outer electrode layer 202 and inner electrode layer 204 are located inside and outside piezoelectric layer 203, with the pressure in piezoelectric layer 203
Electroceramics block 211 is electrically connected.In the bottom surface of the compound piezoelectric element 200 of hemisphere shell sape, outer electrode layer 202 and inner electrode layer 204
It is both exposed to bottom surface, to be electrically connected with the corresponding component in pedestal 300, the electric current to be generated in piezoelectric ceramics block 211
It collects and guides to pedestal 300.Outer electrode layer 202 and inner electrode layer 204 can be copper foil, silver foil or aluminium foil etc..
Interpolymer layer 205 is located at the most inner side of the compound piezoelectric element 200 of hemisphere shell sape, effect and outer polymeric layer
201 is similar, the effects that equally playing protection, insulation, seal.Interpolymer layer 205 can be made of polyurethane material.
Referring to Fig.1, and in conjunction with Fig. 2, piezoelectric layer 203 is by multiple spaced piezoelectric ceramics blocks 211 and positioned at multiple
The composite construction that organic polymer body 212 between piezoelectric ceramics block 211 is constituted.Wherein, piezoelectric ceramics block 211 is as induction
Vibrational energy, the core component produced electricl energy.Organic polymer body 212 then has certain elasticity and flexibility.The two is combined
Setting, convenient for forming the structure of the hemisphere shell sape in the present invention.
With reference to Fig. 3 and Fig. 4, pedestal 300 is in oblate cylindricality substantially.The upper surface for protruding from pedestal 300 is provided with outer positioning
Ring 302 and interior locating ring 303.Wherein, outer positioning ring 302 and interior locating ring 303 are arranged concentrically, and outer positioning ring 302 and interior
The compound piezoelectric element locating slot 306 of the compound piezoelectric element 200 for fixing hemisphere shell sape is formed between locating ring 303.
It is between the two tight fit in the state that compound piezoelectric element 200 is fixed in locating slot 306, by clamping force by compound pressure
Electric device 200 is fixed in locating slot 306.At 306 position of locating slot of pedestal 300, it is additionally provided with outer collector ring 304 and interior
Collector ring 305.Wherein, outer collector ring 304 and interior collector ring 305 are arranged concentrically, and are both exposed to be located at compound piezoelectric element
The positioning groove bottom 307 of 306 bottom of locating slot, so that the compound piezoelectric element 200 in hemisphere shell sape is mounted on pedestal 300
In the state of, outer electrode layer 202 is electrically connected with outer collector ring 304, and inner electrode layer 204 is electrically connected with interior collector ring 305.By upper
Electrical connection is stated, the electric energy that piezoelectric layer 203 generates in the compound piezoelectric element 200 by hemisphere shell sape is realized and is transmitted to pedestal 300.
Pedestal 300 further include positioned at the side of pedestal 300 and towards the connector portions accommodating chamber 308 of 300 sidewall opening of pedestal,
For accommodating connector portions 400.Outer collector ring 304 forms the protrusion extended downwardly in the top of connector portions accommodating chamber 308, i.e., outer
Collector ring lead division 309, outer collector ring lead division 309 is electrically connected with outer collector ring 304, and is extended downwardly from outer collector ring 304
To the inner circumferential surface of connector portions accommodating chamber 308, so that in the state that connector portions 400 are mounted on pedestal 300, outer current collection
Ring lead division 309 is electrically connected with dispatch from foreign news agency polar body 401.Similar, vertical where the central axis X of connector portions accommodating chamber 308
In plane, interior collector ring 305 is downwardly extending interior collector ring lead-out wire 310.It is two sections that interior collector ring lead-out wire 310, which is divided to, the
One section is in substantially vertical direction, and the central axis X of connector portions accommodating chamber 308 is extended downward by interior collector ring 305；Second segment
Substantially in horizontal direction, since the end of first segment, connector portions accommodating chamber 308 is extended radially outwardly to along pedestal 300
Inboard surface, so that in the state that connector portions 400 are mounted on pedestal 300, interior collector ring lead-out wire 310 and interior electrode body
402 electrical connections.
It is additionally provided with connector portions positioning bar 311, connector portions positioning bar in the bottom centre position of connector portions accommodating chamber 308
311 extend along the central axis X direction (i.e. the radial direction of pedestal 300) of connector portions accommodating chamber 308.It is mounted on bottom in connector portions 400
In the state of on seat 300, connector portions positioning bar 311 with the locating slot in connector portions 400 for engaging, to play landing nipple
The effect in portion 400.
Referring to figure 5 and figure 6, the top half of connector portions 400 is semicolumn, and lower half portion is cuboid.In connector portions 400
Central axis Y at be provided with interior electrode body 402, the both ends of interior electrode body 402 are both exposed to the surface at 400 both ends of connector portions.
Around interior electrode body 402, one end of connector portions 400 is provided with cricoid dispatch from foreign news agency polar body 401, dispatch from foreign news agency polar body 401, which is exposed to, to be connect
The surface of the one end on head 400.External electrode lead 403 is provided in connector portions 400, one end of external electrode lead 403 is connecing
The inside on head 400 is electrically connected with the top of cricoid dispatch from foreign news agency polar body 401, from the top of cricoid dispatch from foreign news agency polar body 401, edge
The internal stretch for central axis Y-direction connector portions 400, after extending a segment length, external electrode lead 403 switchs to upwardly extend,
Until being exposed to the top surface of the semicolumn of 400 top half of connector portions.When connector portions 400 are mounted in pedestal 300, it is exposed to
The external electrode lead 403 of the top surface of the semicolumn of 400 top half of connector portions and the outer collector ring lead division 309 in pedestal 300
Electrical connection, the one end for being exposed to the interior electrode body 402 of 400 liang of end surfaces of connector portions and the interior collector ring lead-out wire in pedestal 300
310 electrical connections.
In order to ensure that connector portions 400 are reliably fixed in pedestal 300, the bottom surface of connector portions 400 is provided with along connector portions
The locating slot 404 that 400 central axis Y-direction extends.In the state that connector portions 400 are mounted on pedestal 300, locating slot
404 are suitable for accommodating the connector portions positioning bar 311 being arranged in the connector portions accommodating chamber 308 of pedestal 300, and connector portions 400 are fixed
In connector portions accommodating chamber 308.Connector portions 400 form close-fitting in connector portions accommodating chamber 308 with the wall of connector portions accommodating chamber 308
The structure of conjunction, while connector portions positioning bar 311 and locating slot 404 and the structure of tight fit.
With reference to the structure of the hemispherical energy gathering apparatus 100 of the present invention, its course of work is described.Work as basis
Compound piezoelectric element 200, pedestal 300 and the connector of hemisphere shell sape in the hemispherical energy gathering apparatus 100 of the present invention
When portion 400 fits together, the piezoelectric ceramics block 211 in the piezoelectric layer 203 of the compound piezoelectric element 200 of hemisphere shell sape can be felt
Vibration in by hemispherical Shell and generate electric current, the electric current of generation is conducted respectively by outer electrode layer 202 and inner electrode layer 204 to pedestal
Outer collector ring 304 in 300 and interior collector ring 305.Later, outer collector ring 304 passes through outer collector ring lead division 309, external electrode
Lead 403 directs current to the dispatch from foreign news agency polar body 401 of connector portions 400, and interior collector ring 305 passes through interior collector ring lead-out wire 310
Direct current to the interior electrode body 402 of connector portions 400.The dispatch from foreign news agency polar body 401 of connector portions 400 and interior electrode body 402 are divided as a result,
Not as the compound piezoelectric element 200 of hemisphere shell sape is generated electric energy output positive electrode and negative electrode, can with outside other
It encloses interface with circuit to be connected, the electric energy generated in piezoelectric element is stored and utilized.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. a kind of hemispherical energy gathering apparatus (100) based on piezoelectric element, including：The composite piezoelectric member of hemisphere shell sape
Part (200), pedestal (300) and connector portions (400), wherein：
The compound piezoelectric element (200) of the hemisphere shell sape includes outer polymeric layer (201) sequentially connected from outside to inside, dispatch from foreign news agency
Pole layer (202), piezoelectric layer (203), inner electrode layer (204) and interpolymer layer (205)；
The pedestal (300) includes fixed for fixing the compound piezoelectric element of the compound piezoelectric element of the hemisphere shell sape (200)
Position slot (306) and the connector portions accommodating chamber (308) for accommodating the connector portions (400)；The connector portions (400) include dispatch from foreign news agency
Polar body (401) and interior electrode body (402) are exported as by the electric energy of compound piezoelectric element (200) generation of the hemisphere shell sape
Electrode.
2. the hemispherical energy gathering apparatus (100) according to claim 1 based on piezoelectric element, feature exists
In：
The piezoelectric layer (203) include multiple spaced piezoelectric ceramics blocks (211) and be located at the multiple piezoelectric ceramics block
(211) the organic polymer body (212) between.
3. the hemispherical energy gathering apparatus (100) according to claim 1 based on piezoelectric element, feature exists
In：
The pedestal (300) is in substantially oblate cylindricality, further includes：
Protrude from the outer positioning ring (302) and interior locating ring (303) of the pedestal (300) upper surface, wherein the outer positioning ring
(302) it is arranged concentrically with the interior locating ring (303), and between the outer positioning ring (302) and the interior locating ring (303)
Form the compound piezoelectric element locating slot (306) of the compound piezoelectric element (200) for fixing the hemisphere shell sape；
Outer collector ring (304) and interior collector ring (305), wherein the outer collector ring (304) and the interior collector ring (305) are same
The heart is arranged, and is both exposed to the positioning groove bottom (307) positioned at compound piezoelectric element locating slot (306) bottom, so that
It obtains in the state that the compound piezoelectric element (200) of the hemisphere shell sape is mounted on the pedestal (300), the outer electrode layer
(202) it is electrically connected with the outer collector ring (304), the inner electrode layer (204) is electrically connected with the interior collector ring (305).
4. the hemispherical energy gathering apparatus (100) according to claim 3 based on piezoelectric element, feature exists
In：
The pedestal (300) further includes：In the neighbouring outer collector ring lead division (309) of the connector portions accommodating chamber (308) and interior
Collector ring lead-out wire (310)；And wherein,
The outer collector ring lead division (309) is electrically connected with the outer collector ring (304), and from the outer collector ring (304) to
Under extend to the inner circumferential surface of the connector portions accommodating chamber (308) so that being mounted on the bottom in the connector portions (400)
In the state of on seat (300), the outer collector ring lead division (309) is electrically connected with the dispatch from foreign news agency polar body (401)；
The interior collector ring lead-out wire (310) is electrically connected with the interior collector ring (305), and from the interior collector ring (305) to
Under extend to the central axis (X) of the connector portions accommodating chamber (308), extend horizontally to the connector portions accommodating chamber later
(308) inboard surface, so that in the state that the connector portions (400) are mounted on the pedestal (300), the interior collection
Electric ring lead-out wire (310) is electrically connected with the interior electrode body (402).
5. the hemispherical energy gathering apparatus (100) according to claim 3 or 4 based on piezoelectric element, feature
It is：
The pedestal (300) further includes the connector portions positioning bar positioned at connector portions accommodating chamber (308) the bottom centre position
(311), the connector portions positioning bar (311) extends along direction central axis (X) of the connector portions accommodating chamber (308)；Institute
In the state that connector portions (400) are stated on the pedestal (300), the connector portions positioning bar (311) is described for positioning
Connector portions (400).
6. the hemispherical energy gathering apparatus (100) according to claim 1 based on piezoelectric element, feature exists
In：
The top half of the connector portions (400) is semicolumn, and lower half portion is cuboid；In the connector portions (400)
Interior electrode body (402) is provided at mandrel line (Y), the both ends of the interior electrode body (402) are both exposed to the connector portions (400)
The surface at both ends；Around the interior electrode body (402), one end of the connector portions (400) is provided with cricoid dispatch from foreign news agency polar body
(401), the dispatch from foreign news agency polar body (401) is exposed to the surface of one end of the connector portions (400)；In the connector portions (400)
Be provided with external electrode lead (403), one end of the external electrode lead (403) the inside of the connector portions (400) with it is described
Dispatch from foreign news agency polar body (401) is electrically connected, and the other end of the external electrode lead (403) is exposed to the connector portions (400) top half
Semicolumn top surface.
7. the hemispherical energy gathering apparatus (100) according to claim 6 based on piezoelectric element, feature exists
In：
The bottom surface of the connector portions (400) is provided with the locating slot of the direction central axis (Y) extension along the connector portions (400)
(404), in the state that the connector portions (400) are mounted on the pedestal (300), the locating slot (404) is for positioning
The connector portions (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810737166.XA CN108599619B (en) | 2018-07-06 | 2018-07-06 | Hemispherical vibration energy collecting device based on piezoelectric element |
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|---|---|---|---|
| CN201810737166.XA CN108599619B (en) | 2018-07-06 | 2018-07-06 | Hemispherical vibration energy collecting device based on piezoelectric element |
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| CN108599619B CN108599619B (en) | 2023-09-08 |
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