CN201994343U - Piezoelectric element - Google Patents
Piezoelectric element Download PDFInfo
- Publication number
- CN201994343U CN201994343U CN2011200709749U CN201120070974U CN201994343U CN 201994343 U CN201994343 U CN 201994343U CN 2011200709749 U CN2011200709749 U CN 2011200709749U CN 201120070974 U CN201120070974 U CN 201120070974U CN 201994343 U CN201994343 U CN 201994343U
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- piezoelectric
- lower cover
- piezoelectric element
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- output electrode
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Abstract
A piezoelectric element comprises electrode plates, piezoelectric plates, an output electrode plate, a lower cover, positioning and fastening pins and an upper cover, wherein the electrode plates, the piezoelectric plates and the output electrode plate are arranged between the upper cover and the lower cover; the electrode plates and the piezoelectric plates are arranged on the upper side and the lower side of the output electrode plate in a staggered manner; the output electrode plate is provided with output terminals; at least two mounting holes are distributed on the lower cover in an equiangular manner; at least two mounting holes are distributed on the upper cover in an equiangular manner; and the positioning and fastening pins are mounted between the upper cover and the lower cover through the mounting holes on both the lower cover and the upper cover. The piezoelectric element generates power through the piezoelectric property of a piezoelectric medium per se, avoids instability in hydraulic, or mechanical, or electromagnetic inductive or other piezoelectric power generation, has the advantages of simple structure, high stability, wide application range and stable power supply, can be put into use so long as direct current generating current is merged into an alternate current power network through an inverter, and is very convenient to use.
Description
Technical field
The utility model relates to the piezo-electric generating field, particularly a kind of piezoelectric element.
Background technology
The utilization of electric energy is the outstanding feature of second industrial revolution, it makes human society enter the electric era, improved the productivity of human society greatly, past, the human main ore fuel that uses generated electricity, but because ore fuel is converted to the electric energy process and can produces a large amount of tail gas, the serious harm surrounding environment, for this reason, the mankind are often with free of contamination wind energy at present, solar energy or nuclear energy are converted into electric energy and use, but wind energy, its use is limited by landform usually though solar energy is pollution-free, so restricted application, though and the nuclear energy energy output is very big and coefficient of safety is higher, but in case run into extensive natural calamity, tend to cause serious accident, for this reason, someone proposes to utilize piezoelectricity to generate electricity, at present, common pressure generating set is to adopt hydraulic pressure or machinery, electromagnetic induction etc. are realized, because hydraulic pressure or machinery, electromagnetic induction equal pressure electricity generation system is made complex process, the bigger inconvenience of equipment is safeguarded, and its piezoelectric element exists high shake and instable problem, therefore is difficult to extensive the use.
The utility model content
At above problem, the utility model is by a kind of piezoelectric element of design, the piezoelectric property of pressured dielectric itself is generated electricity and has been avoided employing hydraulic pressure or machinery, electromagnetic induction etc. carry out piezo-electric generating and have high shake and instable problem, for reaching this purpose, the utility model provides a kind of piezoelectric element, comprise electrode slice, piezoelectric patches, the output electrode sheet, lower cover, location holding pin and loam cake, described electrode slice, piezoelectric patches and output electrode sheet are arranged between loam cake and the lower cover, described electrode slice and piezoelectric patches are crisscross arranged in output electrode sheet both sides up and down, on the described output electrode sheet output is arranged, described lower cover spaced at equal angles around has at least 2 installing holes, described loam cake spaced at equal angles around has at least 2 installing holes, and described location holding pin is installed between loam cake and the lower cover by the installing hole of lower cover and the installing hole of loam cake.
As further improvement of the utility model, holding pin end, described location is provided with fastening spring, described fastening spring is provided with the spring pressure cap, for distortion back piezoelectric element is resetted sooner, holding pin end, location is provided with corresponding spring assembly, and the fastening force that fastening spring also can improve piezoelectric element is set simultaneously.
As further improvement of the utility model, described location holding pin is with insulating case outward, in order to prevent that locating holding pin takes place to leak electricity and can locate holding pin overcoat insulating case.
As further improvement of the utility model, described electrode slice, piezoelectric patches and output electrode sheet are outside equipped with supporting positive cover and do not misplace behind the pressurized guaranteeing.
As further improvement of the utility model, described supporting positive cover is provided with the output lead mouth, stretches out for the ease of lead-in wire, and described supporting positive cover is provided with corresponding output lead mouth.
As further improvement of the utility model, described electrode slice is at least 2, and described piezoelectric patches is at least 2, and producer can be provided with the electrode slice and the piezoelectric patches of respective numbers according to the piezoelectric element size of being produced.
As further improvement of the utility model, described electrode slice, piezoelectric patches and output electrode sheet are circle or triangle or polygon, the described electrode slice of this patent, piezoelectric patches and output electrode sheet can be designed to circle or triangle or polygon, and producer can select according to self producing needs.
The utility model is by a kind of piezoelectric element of design, the piezoelectric property of pressured dielectric itself is generated electricity, avoided because of adopting hydraulic pressure or machinery, electromagnetic induction etc. to carry out the piezo-electric generating instability, and this patent is simple in structure, stability is high, can be arranged on ground walks up by vehicle and people and generates electricity, therefore the scope of application is extensive, and nearly can bear 79 tons pressure and the electric power of 3-60V is provided, therefore power supply is stable, direct current behind the generation electric current is incorporated AC network into through inverter and can be used, and is very easy to use.
Description of drawings
Fig. 1 is a piezoelectric element structural representation described in the utility model;
Fig. 2 is a piezoelectric element superstructure schematic diagram described in the utility model;
Fig. 3 is a piezoelectric element lower cover structural representation described in the utility model;
Fig. 4 is a piezoelectric element described in the utility model location holding pin structural representation;
Fig. 5 is a piezoelectric element piezoelectric patches structural representation described in the utility model;
Fig. 6 is a piezoelectric element output electrode chip architecture schematic diagram described in the utility model;
Fig. 7 is a piezoelectric element supporting positive cover structural representation described in the utility model;
Fig. 8 is a general assembly schematic diagram described in the utility model;
Fig. 9 is to use piezoelectric element piezo-electric device circuit constitutional diagram described in the utility model;
Figure 10 is to use a kind of schematic diagram of piezoelectric element piezoelectric system working method described in the utility model;
Figure 11 is to use the another kind of schematic diagram of piezoelectric element piezoelectric system working method described in the utility model;
Member among the figure is:
1, loam cake fixture; 2, supporting positive cover; 2-1, output lead mouth; 3, electrode slice;
4, piezoelectric patches; 5, output electrode sheet; 5-1, output; 6, lower cover;
6-1, installing hole; 6-2, fixing hole; 7, location holding pin; 8, loam cake;
8-1, installing hole; 8-2, fixing hole; 9, fastening spring; 10, lower cover fixture;
11, spring pressure cap; 12, insulating case; 13, floor;
Embodiment
Below in conjunction with drawings and Examples utility model is described in detail:
The utility model is by a kind of piezoelectric element of design, and the piezoelectric property of pressured dielectric itself is generated electricity and avoided employing hydraulic pressure or machinery, electromagnetic induction etc. to carry out high shake of piezo-electric generating existence and instable problem.
The utility model provides structural representation a kind of piezoelectric element as shown in Figure 1, comprise electrode slice 3, piezoelectric patches 4, output electrode sheet 5, lower cover 6, location holding pin 7 and loam cake 8, described lower cover 6 spaced at equal angles around as shown in Figure 3 has at least 2 fixing hole 6-2, described loam cake 8 spaced at equal angles around as shown in Figure 2 has at least 2 fixing hole 8-2, be provided with loam cake fixture 1 in the fixing hole 6-2 of lower cover 6, be provided with lower cover fixture 10 in the fixing hole 8-2 of lower cover 8, loam cake 8 and lower cover 6 are fixed in the floor 13 as shown in Figure 8 by loam cake fixture 1 and lower cover fixture 10 respectively, described electrode slice 3, piezoelectric patches 4 and output electrode sheet 5 are arranged between loam cake 8 and the lower cover 6, described electrode slice 3 is crisscross arranged with piezoelectric patches 4, and about in the of 5 both sides at the output electrode sheet, described electrode slice 3 is at least 2, described piezoelectric patches 4 is at least 2, producer can be provided with the electrode slice 3 and the piezoelectric patches 4 of respective numbers according to the piezoelectric element size of being produced, described electrode slice 3, piezoelectric patches 4 is circle or triangle or polygon with output electrode sheet 5 as shown in Figure 5, producer can select according to self producing needs, described electrode slice 3, the supporting positive cover 2 that piezoelectric patches 4 and output electrode sheet 5 are outside equipped with does not as shown in Figure 7 misplace behind the pressurized guaranteeing, described supporting positive cover 2 is provided with output lead mouth 2-1 as shown in Figure 6, stretch out supporting positive cover 2 for the ease of lead-in wire and be provided with corresponding output lead mouth 2-1, on the described output electrode sheet 5 output 5-1 is arranged, described lower cover 8 spaced at equal angles around have at least 2 installing hole 8-1, described loam cake 6 spaced at equal angles around have at least 2 installing hole 6-1, described location holding pin 7 is installed between loam cake 8 and the lower cover 6 by the installing hole 8-1 of lower cover 8 and the installing hole 6-1 of loam cake 6, described location holding pin 7 end as shown in Figure 4 is provided with fastening spring 9, described fastening spring 9 is provided with spring pressure cap 11, in order to make piezoelectric element holding pin 7 ends, location that reset sooner in distortion back be provided with corresponding spring assembly, the fastening force that fastening spring 9 also can improve piezoelectric element is set simultaneously, the holding pin 7 outer insulating cases 12 that are with in described location are in order to prevent that locating holding pin 7 takes place to leak electricity and can locate holding pin 7 overcoat insulating cases 12.
Piezoelectric element described in the utility model can be combined into corresponding pressure generator by any amount according to circuit constitutional diagram shown in Figure 9 as required, when vehicle and people walk up, pressure elements is under its pressure effect, by piezoelectric patches (piezoelectric ceramic, piezoelectric crystal, piezoelectricity rubber, piezoelectricity potter's clay etc.) piezoelectric property, the surface of piezoelectric patches will produce electric charge, and along with the variation of pressure, output voltage changes thereupon, thereby forms electric field and produce electric current, and the direct current of generation is incorporated AC network into through inverter and can be used.
The utility model working method is maybe incorporated the alternating current of output into national grid by inverter output AC electricity to the AC load power supply as shown in figure 10 and is given urban electricity supply after diode filtering, also can after diode filtering, be connected into controller for solar as shown in figure 11, again accumulators electric power storage or give to be detained electric or maybe to incorporate the alternating current of output into national grid by inverter output AC electricity to the AC load power supply and give urban electricity supply.
The utility model is by a kind of piezoelectric element of design, the piezoelectric property of pressured dielectric itself is generated electricity, avoided because of adopting hydraulic pressure or machinery, electromagnetic induction etc. to carry out the piezo-electric generating instability, and this patent is simple in structure, stability is high, can be arranged on ground and walk up by vehicle and people again and generate electricity, so the scope of application extensively power supply is stable, direct current behind the generation electric current is incorporated AC network into through inverter and can be used, and is very easy to use.
The above; it only is preferred embodiment of the present utility model; be not to be the restriction of the utility model being made any other form, and, still belong to the utility model scope required for protection according to any modification or equivalent variations that technical spirit of the present utility model is done.
Claims (8)
1. piezoelectric element, comprise electrode slice (3), piezoelectric patches (4), output electrode sheet (5), lower cover (6), location holding pin (7) and loam cake (8), it is characterized in that: described electrode slice (3), piezoelectric patches (4) and output electrode sheet (5) are arranged between loam cake (8) and the lower cover (6), described electrode slice (3) and piezoelectric patches (4) are crisscross arranged in output electrode sheet (5) both sides up and down, output (5-1) is arranged on the described output electrode sheet (5), described lower cover (6) spaced at equal angles around has at least 2 installing holes (6-1), described loam cake (8) spaced at equal angles around has at least 2 installing holes (8-1), and described location holding pin (7) is installed between loam cake (8) and the lower cover (6) by the installing hole (6-1) of lower cover (6) and the installing hole (8-1) of loam cake (8).
2. a kind of piezoelectric element according to claim 1 is characterized in that: described location holding pin (7) end is provided with fastening spring (9), and described fastening spring (9) is provided with spring pressure cap (11).
3. a kind of piezoelectric element according to claim 2 is characterized in that: the outer insulating case (12) that is with of described location holding pin (7).
4. a kind of piezoelectric element according to claim 1 is characterized in that: described electrode slice (3), piezoelectric patches (4) and output electrode sheet (5) are outside equipped with supporting positive cover (2).
5. a kind of piezoelectric element according to claim 4 is characterized in that: described supporting positive cover (2) is provided with output lead mouth (2-1).
6. a kind of piezoelectric element according to claim 1 is characterized in that: described electrode slice (3) is at least 2.
7. a kind of piezoelectric element according to claim 1 is characterized in that: described piezoelectric patches (4) is at least 2.
8. according to claim 6 or 7 described a kind of piezoelectric elements, it is characterized in that: described electrode slice (3), piezoelectric patches (4) and output electrode sheet (5) are circle or triangle or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200709749U CN201994343U (en) | 2011-03-17 | 2011-03-17 | Piezoelectric element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200709749U CN201994343U (en) | 2011-03-17 | 2011-03-17 | Piezoelectric element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994343U true CN201994343U (en) | 2011-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200709749U Expired - Fee Related CN201994343U (en) | 2011-03-17 | 2011-03-17 | Piezoelectric element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994343U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888020A (en) * | 2012-12-20 | 2014-06-25 | 北京嘉岳同乐极电子有限公司 | Piezoelectric vibration power generation device and manufacture method thereof |
| CN106768511A (en) * | 2016-12-05 | 2017-05-31 | 北京航空航天大学 | A kind of piezoelectricity dynamic force snesor of high overload wide range |
| CN113393824A (en) * | 2020-03-14 | 2021-09-14 | 新沂市音翔电子有限公司 | Welding-free high-frequency high-sound-pressure buzzer and using method thereof |
-
2011
- 2011-03-17 CN CN2011200709749U patent/CN201994343U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888020A (en) * | 2012-12-20 | 2014-06-25 | 北京嘉岳同乐极电子有限公司 | Piezoelectric vibration power generation device and manufacture method thereof |
| CN103888020B (en) * | 2012-12-20 | 2016-08-31 | 北京嘉岳同乐极电子有限公司 | Piezoelectric vibration generation device and manufacture method thereof |
| CN106768511A (en) * | 2016-12-05 | 2017-05-31 | 北京航空航天大学 | A kind of piezoelectricity dynamic force snesor of high overload wide range |
| CN106768511B (en) * | 2016-12-05 | 2019-04-05 | 北京航空航天大学 | A kind of piezoelectricity dynamic force snesor of high overload wide range |
| CN113393824A (en) * | 2020-03-14 | 2021-09-14 | 新沂市音翔电子有限公司 | Welding-free high-frequency high-sound-pressure buzzer and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20150317 |
|
| EXPY | Termination of patent right or utility model |