CN202352733U - Pressure electricity generation unit and pressure electricity generation device - Google Patents
Pressure electricity generation unit and pressure electricity generation device Download PDFInfo
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- CN202352733U CN202352733U CN2011204944555U CN201120494455U CN202352733U CN 202352733 U CN202352733 U CN 202352733U CN 2011204944555 U CN2011204944555 U CN 2011204944555U CN 201120494455 U CN201120494455 U CN 201120494455U CN 202352733 U CN202352733 U CN 202352733U
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- piezoelectric ceramic
- pressure electricity
- sheet metal
- elastic sheet
- ceramic piece
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Abstract
The utility model discloses a pressure electricity generation unit and a pressure electricity generation device. The pressure electricity generation unit comprises a piezoelectric ceramic chip and two layers of elastic metal sheets, wherein the piezoelectric ceramic chip is positioned between the two layers of elastic metal sheets; magnets are respectively and fixedly arranged at the two end parts of each elastic metal sheet; and one elastic metal sheet is connected with poles N of the magnets, and the other elastic metal sheet is connected with poles S of the magnets. Through arranging the piezoelectric ceramic chip between the two layers of elastic metal sheets, the piezoelectric ceramic chip is protected and supported through the two layers of elastic metal sheets; and with the help of the elasticity of the elastic metal sheets, the piezoelectric ceramic chip can be greatly deformed, so the pressure electricity generation unit can have stronger strain performance, is not easy to damage and has long service life, and the bending strength of the pressure electricity generation unit is improved so as to obtain larger currents.
Description
Technical field
The utility model belongs to the power technology field, specifically, relates to a kind of pressure electricity-generating unit and pressure generating set.
Background technology
Piezoelectric ceramic is a kind ofly can mechanical energy and the electric energy ceramic material of conversion mutually under the effect of power, be produced deformation, causes that dielectric surface is charged, and this is a direct piezoelectric effect.Otherwise, applying excitation electrical field, medium will produce mechanical deformation, claim inverse piezoelectric effect.Piezoelectric ceramic is applied in the closely-related many fields of living with people by scientist, to realize functions such as power conversion, sensing, driving, FREQUENCY CONTROL.Piezoelectric ceramic has barium titanate series, lead titanates-lead zirconates binary system and in binary system, adds the third ABO
3(A representes bivalent metal ion, and B representes that quadrivalent metallic ion or several kinds of ion summations are positive tetravalence) type compound.Piezoelectric ceramic has responsive characteristic, can convert extremely faint mechanical oscillation to the signal of telecommunication, can be used for sonar system, meteorological detection, remote measurement environmental protection, household electrical appliance etc.The size of current that piezoelectric ceramic produces is deformed into direct ratio with it, the electric current of the big more generation of piezoelectric ceramic distortion is just big more.Because the bending strength of piezoelectric ceramic is relatively poor, can't obtain bigger electric current.
Summary of the invention
The utility model provides a kind of pressure electricity-generating unit and pressure generating set; Bending strength in order to solve piezoelectric ceramic in the prior art is relatively poor; Can't obtain the defective of bigger electric current, the bending strength that realizes improving the pressure electricity-generating unit is to realize obtaining bigger electric current.
The utility model provides a kind of pressure electricity-generating unit, comprises piezoelectric ceramic piece and two-layer elastic sheet metal; Said piezoelectric ceramic piece is between two-layer said elastic sheet metal, and the both ends of said elastic sheet metal are installed with magnet respectively, and wherein a said elastic sheet metal is connected with the said magnets N utmost point, and another said elastic sheet metal is connected with the S utmost point of said magnet.
The pressure electricity-generating unit that the utility model provides; Through piezoelectric ceramic piece being arranged between the two-layer elastic sheet metal, through two-layer elastic sheet metal piezoelectric ceramic piece is protected support, by the elasticity of elastic sheet metal; Make piezoelectric ceramic piece can have bigger deformation; Make the pressure electricity-generating unit have stronger strain property, not fragile and long service life, the bending strength that realizes having improved the pressure electricity-generating unit is to realize obtaining bigger electric current.
Aforesaid pressure electricity-generating unit, said elastic sheet metal covers said piezoelectric ceramic piece fully.
Aforesaid pressure electricity-generating unit, said piezoelectric ceramic piece is installed on the said elastic sheet metal through conducting resinl.
Aforesaid pressure electricity-generating unit, the thickness of said piezoelectric ceramic piece is less than 1 millimeter.
Aforesaid pressure electricity-generating unit, said piezoelectric ceramic piece adopt lead zirconate titanate to process.
The utility model provides a kind of pressure generating set, comprises insulation support bar and the aforesaid pressure electricity-generating of multilayer unit; The said pressure electricity-generating of adjacent two layers is provided with the insulation support bar between the unit, and the magnets N utmost point in the said pressure electricity-generating of the adjacent two layers unit is oppositely arranged or the S utmost point is oppositely arranged; Piezoelectric ceramic piece in the said pressure electricity-generating of the multilayer unit is connected in parallel.
The pressure electricity-generating unit that the utility model provides; Through piezoelectric ceramic piece being arranged between the two-layer elastic sheet metal, through two-layer elastic sheet metal piezoelectric ceramic piece is protected support, by the elasticity of elastic sheet metal; Make piezoelectric ceramic piece can have bigger deformation; Make the pressure electricity-generating unit have stronger strain property, not fragile and long service life, the bending strength that realizes having improved the pressure electricity-generating unit is to realize obtaining bigger electric current.In addition; Because the magnet tool homopolarity in the multilayer pressure electricity-generating unit is oppositely arranged; When wherein a pressure electricity-generating unit vibrates, under the effect of magnetic force, make multilayer pressure electricity-generating unit repeat to do simple harmonic vibration simultaneously, thereby produce continuous electric current through the piezoelectric ceramic piece that is connected in parallel.
Aforesaid pressure generating set, said elastic sheet metal covers said piezoelectric ceramic piece fully.
Aforesaid pressure generating set, said piezoelectric ceramic piece is installed on the said elastic sheet metal through conducting resinl.
Aforesaid pressure generating set, said insulation support bar is positioned at the middle part of said pressure electricity-generating unit.
Aforesaid pressure generating set, the cross section of said insulation support bar are circle or polygon.
Description of drawings
Fig. 1 is the structural representation of the utility model pressure electricity-generating unit embodiment;
Fig. 2 is the structural representation of the utility model pressure generating set embodiment.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is carried out detailed description.
Fig. 1 is the structural representation of the utility model pressure electricity-generating unit embodiment.As shown in Figure 1, present embodiment pressure electricity-generating unit comprises piezoelectric ceramic piece 1 and two-layer elastic sheet metal 2; Piezoelectric ceramic piece 1 is between two-layer elastic sheet metal 2, and the both ends of elastic sheet metal 2 are installed with magnet 3 respectively, and wherein an elastic sheet metal 2 is connected with the N utmost point 31 of magnet 3, and another elastic sheet metal 2 is connected with the S utmost point 32 of magnet 3.
Particularly; Piezoelectric ceramic piece 1 in the present embodiment pressure electricity-generating unit is between two-layer elastic sheet metal 2; Elastic sheet metal 2 can effectively support piezoelectric ceramic piece 1 and protect; And can utilize elastic sheet metal 2 elasticity effectively to increase piezoelectric ceramic piece 1 distortion size, make piezoelectric ceramic piece 1 can produce bigger electric current.Wherein, the elastic sheet metal 2 in the present embodiment covers piezoelectric ceramic piece 1 fully, thereby protects through 2 pairs of piezoelectric ceramic pieces 1 of elastic sheet metal.
Further, for ease assembling piezoelectric ceramic piece 1 and elastic sheet metal 2, the piezoelectric ceramic piece 1 in the present embodiment can be installed on the elastic sheet metal 2 through conducting resinl.Concrete, through smearing conducting resinl, can easily elastic sheet metal 2 be sticked on the piezoelectric ceramic piece 1 on the two sides of piezoelectric ceramic piece 1, realize piezoelectric ceramic piece 1 and elastic sheet metal 2 are fitted together.
Further, the thickness of the piezoelectric ceramic piece 1 in the present embodiment can be less than 1 millimeter, with the distortion size of more effective raising piezoelectric ceramic piece 1 self.In addition, the piezoelectric ceramic piece in the present embodiment 1 can adopt lead zirconate titanate to process.
Present embodiment pressure electricity-generating unit; Through piezoelectric ceramic piece being arranged between the two-layer elastic sheet metal, through two-layer elastic sheet metal piezoelectric ceramic piece is protected support, by the elasticity of elastic sheet metal; Make piezoelectric ceramic piece can have bigger deformation; Make the pressure electricity-generating unit have stronger strain property, not fragile and long service life, the bending strength that realizes having improved the pressure electricity-generating unit is to realize obtaining bigger electric current.
Fig. 2 is the structural representation of the utility model pressure generating set embodiment.As shown in Figure 2, the present embodiment pressure generating set comprises insulation support bar 101 and multilayer pressure electricity-generating unit 102; Be provided with insulation support bar 101 between the adjacent two layers pressure electricity-generating unit 102, the magnets N utmost point in the adjacent two layers pressure electricity-generating unit 102 is oppositely arranged or the S utmost point is oppositely arranged; Piezoelectric ceramic piece 1021 in the multilayer pressure electricity-generating unit 102 is connected in parallel.
Concrete; Pressure electricity-generating unit 102 in the present embodiment can adopt the pressure electricity-generating unit among the utility model pressure electricity-generating unit embodiment; Its concrete structure can repeat no more at this referring to the record of the utility model pressure electricity-generating unit embodiment and accompanying drawing 1-Fig. 2.Because the magnet homopolarity in the adjacent two layers pressure electricity-generating unit 102 is oppositely arranged; After wherein a pressure electricity-generating unit 102 vibrates; Remaining pressure electricity-generating unit 102 under magneticaction with repeating to do simple harmonic vibration, thereby realize supplying power continuously through the piezoelectric ceramic piece 1021 that is connected in parallel.Wherein, the elastic sheet metal in the present embodiment can cover piezoelectric ceramic piece 1021 fully; Piezoelectric ceramic piece 1021 can be installed on the elastic sheet metal through conducting resinl.
Further, under magneticaction, can repeat to do simple harmonic vibration in order to ensure each pressure electricity-generating unit 102 stably, the insulation support bar 101 in the present embodiment is positioned at the middle part of pressure electricity-generating unit 102.Concrete; The cross section of the insulation support bar 101 in the present embodiment can be circle or polygon; Insulation support bar 101 is positioned at the central region of pressure electricity-generating unit 102, and better abutment pressure generator unit 102 makes pressure electricity-generating unit 102 can do simple harmonic vibration stably.
Present embodiment pressure electricity-generating unit; Through piezoelectric ceramic piece being arranged between the two-layer elastic sheet metal, through two-layer elastic sheet metal piezoelectric ceramic piece is protected support, by the elasticity of elastic sheet metal; Make piezoelectric ceramic piece can have bigger deformation; Make the pressure electricity-generating unit have stronger strain property, not fragile and long service life, the bending strength that realizes having improved the pressure electricity-generating unit is to realize obtaining bigger electric current.In addition; Because the magnet tool homopolarity in the multilayer pressure electricity-generating unit is oppositely arranged; When wherein a pressure electricity-generating unit vibrates, under the effect of magnetic force, make multilayer pressure electricity-generating unit repeat to do simple harmonic vibration simultaneously, thereby produce continuous electric current through the piezoelectric ceramic piece that is connected in parallel.
Above embodiment only in order to the technical scheme of explanation the utility model, but not limits it; Although the utility model has been carried out detailed explanation with reference to previous embodiment, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of relevant art scheme break away from the spirit and the scope of the utility model technical scheme required for protection.
Claims (10)
1. a pressure electricity-generating unit is characterized in that, comprises piezoelectric ceramic piece and two-layer elastic sheet metal; Said piezoelectric ceramic piece is between two-layer said elastic sheet metal, and the both ends of said elastic sheet metal are installed with magnet respectively, and wherein a said elastic sheet metal is connected with the said magnets N utmost point, and another said elastic sheet metal is connected with the S utmost point of said magnet.
2. pressure electricity-generating according to claim 1 unit is characterized in that said elastic sheet metal covers said piezoelectric ceramic piece fully.
3. pressure electricity-generating according to claim 1 unit is characterized in that said piezoelectric ceramic piece is installed on the said elastic sheet metal through conducting resinl.
4. according to the arbitrary described pressure electricity-generating of claim 1-3 unit, it is characterized in that the thickness of said piezoelectric ceramic piece is less than 1 millimeter.
5. pressure electricity-generating according to claim 4 unit is characterized in that, said piezoelectric ceramic piece adopts lead zirconate titanate to process.
6. a pressure generating set is characterized in that, comprises insulation support bar and multilayer such as the arbitrary described pressure electricity-generating of claim 1-5 unit; The said pressure electricity-generating of adjacent two layers is provided with the insulation support bar between the unit, and the magnets N utmost point in the said pressure electricity-generating of the adjacent two layers unit is oppositely arranged or the S utmost point is oppositely arranged; Piezoelectric ceramic piece in the said pressure electricity-generating of the multilayer unit is connected in parallel.
7. pressure generating set according to claim 6 is characterized in that said elastic sheet metal covers said piezoelectric ceramic piece fully.
8. pressure generating set according to claim 6 is characterized in that said piezoelectric ceramic piece is installed on the said elastic sheet metal through conducting resinl.
9. according to the arbitrary described pressure generating set of claim 6-8, it is characterized in that said insulation support bar is positioned at the middle part of said pressure electricity-generating unit.
10. pressure generating set according to claim 9 is characterized in that, the cross section of said insulation support bar is circle or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204944555U CN202352733U (en) | 2011-12-02 | 2011-12-02 | Pressure electricity generation unit and pressure electricity generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204944555U CN202352733U (en) | 2011-12-02 | 2011-12-02 | Pressure electricity generation unit and pressure electricity generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202352733U true CN202352733U (en) | 2012-07-25 |
Family
ID=46541706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204944555U Expired - Fee Related CN202352733U (en) | 2011-12-02 | 2011-12-02 | Pressure electricity generation unit and pressure electricity generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202352733U (en) |
-
2011
- 2011-12-02 CN CN2011204944555U patent/CN202352733U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266031 No. 168, Ruichang Road, Qingdao, Shandong Patentee after: QINGDAO GUOLIN ENVIRONMENTAL TECHNOLOGY CO., LTD. Address before: 266031 No. 168, Ruichang Road, Qingdao, Shandong Patentee before: Qingdao Guolin Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20171202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |