CN205407628U - Magnetoelectric piezoelectricity combination generator - Google Patents
Magnetoelectric piezoelectricity combination generator Download PDFInfo
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- CN205407628U CN205407628U CN201620206526.XU CN201620206526U CN205407628U CN 205407628 U CN205407628 U CN 205407628U CN 201620206526 U CN201620206526 U CN 201620206526U CN 205407628 U CN205407628 U CN 205407628U
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Abstract
The utility model discloses a magnetoelectric piezoelectricity combination generator, base plate of making including piezoceramics piece, permanent elastic material and the miniature magnetoelectric generator that can accept vertical direction vibration energy, two -sided all the pasting of base plate have the piezoceramics piece, base plate one end is fixed on the base, miniature magnetoelectric generator of other end installation, miniature magnetoelectric generator, piezoceramics piece form a miniature magnetoelectric piezoelectricity combination generator body that has cantilever structure with the base plate. This magnetoelectric piezoelectricity combination generator utilizes miniature magnetoelectric generator as piezoelectric generator spring oscillator, forms a combination formula generator. And the intrinsic vibration frequency of piezoelectricity spring oscillator equals the natural frequency of magnetoelectric generator, makes magnetoelectric generator electricity generation under resonant condition always, reaches the high -effect of magnetoelectric piezoelectricity combination electricity generation. The external diameter of miniature magnetoelectric generator is close or equal with the base plate width size of piezoceramics piece to practice thrift installation space.
Description
Technical field
This utility model is belonging to green energy resource exploitation application, is simultaneously belonging to Miniature magnetic electric generator field and miniature piezoelectric electrical generator fields, relates to a kind of magnetoelectricity piezoelectricity combination electromotor.
Background technology
Piezoelectric generator is dependent on piezoelectric ceramics deformation and produces electric energy, and ceramic deformation amount is more big, and exported electric current is more big.Magnetoelectric generator is that coasting body displacement is more many equal to coil cutting magnetic line more greatly, and namely output electric current is more big.And coasting body displacement is maximum, it is when the elastic system within magnetoelectric generator is under resonant condition and could obtain.Therefore lack now and a kind of the TRT of two kinds of principles can be combined, increase the device of overall power generation amount.
Utility model content
This utility model is in order to solve above-mentioned technical problem, it is provided that the magnetoelectricity piezoelectricity combination electromotor of a kind of special construction, adds generated energy.
This utility model is to be achieved through the following technical solutions:
A kind of magnetoelectricity piezoelectricity combination electromotor, the substrate made including piezoelectric ceramic piece, parelinvar and the Miniature magnetic electric generator of vertical vibration energy can be accepted；The two-sided of described substrate is all pasted with piezoelectric ceramic piece, substrate one end is fixed on pedestal, the other end installs a Miniature magnetic electric generator, and Miniature magnetic electric generator, piezoelectric ceramic piece and substrate form a Miniature magnetic voltage electricity combination engine block with cantilever beam structure.
Described piezoelectric ceramic piece is rectangle piezoelectric ceramic piece.
The two-sided of described substrate pastes piezoelectric ceramic piece by just negative, positive plus or minus negative direction respectively.
Described substrate adopts beryllium-bronze, tin bronze or spring steel plate to make.
The eigentone of described cantilever beam structure is consistent with the natural frequency of Miniature magnetic electric generator.
The external diameter of described Miniature magnetic electric generator and substrate width adjoining dimensions or equal.
Described Miniature magnetic electric generator is neodymium iron boron magnetic body electromotor.
Described pedestal is provided with many group Miniature magnetic voltage electricity combination engine block, forms diversification combination array.
Described pedestal is at least provided with 8 groups of Miniature magnetic voltage electricity combination engine block.
Compared with prior art, this utility model has following useful technique effect:
The magnetoelectricity piezoelectricity combination electromotor that this utility model provides, utilizes Miniature magnetic electric generator as piezoelectric generator spring oscillator, forms a Combined generator.And the eigentone of piezoelectric spring oscillator is equal to the natural frequency of magnetoelectric generator, makes magnetoelectric generator generate electricity under resonance condition always, reach the high-effect of magnetoelectricity piezoelectricity combination generating.The substrate width adjoining dimensions or equal of the external diameter of Miniature magnetic electric generator and piezoelectric ceramic piece, to save installing space.
Accompanying drawing explanation
The Miniature magnetic voltage electricity combination engine block structural representation that Fig. 1 provides for this utility model；
The front view of the magnetoelectricity piezoelectricity combination electromotor that Fig. 2 provides for this utility model；
The top view of the magnetoelectricity piezoelectricity combination electromotor that Fig. 3 provides for this utility model.
Wherein, 1 is piezoelectric ceramic piece；2 is substrate；3 is Miniature magnetic electric generator；4 is screw；5 is pedestal.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail, described in be to explanation of the present utility model rather than restriction.
Referring to Fig. 1 to Fig. 3, a kind of magnetoelectricity piezoelectricity combines electromotor, the substrate 2 made including piezoelectric ceramic piece 1, parelinvar and the Miniature magnetic electric generator 3 that can accept vertical vibration energy；The two-sided of described substrate 2 is all pasted with piezoelectric ceramic piece 1, substrate 2 one end is fixed on pedestal 5, the other end installs a Miniature magnetic electric generator 3, and Miniature magnetic electric generator 3, piezoelectric ceramic piece 1 and substrate 2 form a Miniature magnetic voltage electricity combination engine block with cantilever beam structure.
Described piezoelectric ceramic piece 1 is rectangle piezoelectric ceramic piece.
The two-sided of described substrate 2 pastes piezoelectric ceramic piece 1 by just negative, positive plus or minus negative direction respectively.
Described substrate 2 adopts beryllium-bronze, tin bronze or spring steel plate to make.
The eigentone of described cantilever beam structure is consistent with the natural frequency of Miniature magnetic electric generator.
The external diameter of described Miniature magnetic electric generator 3 is close or equal with substrate 2 width dimensions.
Described Miniature magnetic electric generator 3 is neodymium iron boron magnetic body electromotor.
Described pedestal 5 is provided with many group Miniature magnetic voltage electricity combination engine block, forms diversification combination array.
Described pedestal 5 is at least provided with 8 groups of Miniature magnetic voltage electricity combination engine block.
Concrete, referring to Fig. 1, a kind of embodiment that this utility model provides:
A kind of magnetoelectricity piezoelectricity combination electromotor, it is that Miniature magnetic electric generator and miniature piezoelectric electromotor are combined structure, rectangle piezoelectric ceramic piece 1 double faced adhesive is on a substrate 2, the potsherd of double faced adhesive can be that positive negative direction is pasted, can also just plus or minus negative direction pasting, simply corresponding mode of connection is different.Described substrate 2 is made with parelinvar, it is possible to being beryllium-bronze, tin bronze, spring steel plate etc., substrate one end is fixed on pedestal 4, and the other end installs the heavy burden as substrate 2 of the Miniature magnetic electric generator 3.Described Miniature magnetic electric generator 3 is a kind of magnetoelectric generator that can accept vertical vibration energy.
Miniature magnetic electric generator 3, piezoelectric ceramic piece 1 and substrate 2 form a cantilever beam structure spring system, and its natural frequency depends on the thickness of potsherd, size dimension, baseplate material and thickness, substrate size and coefficient of elasticity, the quality (that is quality of Miniature magnetic electric generator 3) of spring oscillator and installation site etc..
By well-designed, it is possible to the eigentone making cantilever beam structure is consistent with the natural frequency of Miniature magnetic electric generator.When cantilever beam structure receives the generation vibration of extraneous vibration energy, its frequency of vibration is its natural frequency, and Miniature magnetic electric generator 3 receives cantilever vibration of beam formation resonant electrical generation state simultaneously.
The generating of the generating of piezoelectric ceramic piece Yu magnetoelectric generator is merged, constitutes the electric energy output of whole combination electromotor.Further according to being actually needed, add the rear class processing units such as rectification, transformation, control and battery charger, form a complete microgenerator.
Utilize Miniature magnetic electric generator as piezoelectric generator spring oscillator, form a Combined generator.And the eigentone of piezoelectric spring oscillator is equal to the natural frequency of magnetoelectric generator, makes magnetoelectric generator work under resonant electrical generation state always.
It should be noted that substrate 2, material is 0.3mm thickness beryllium-bronze plate, heat treatment process.Miniature magnetic electric generator 3, for oscillating mode magnetoelectric generator.Pedestal 5, combines closely with the housing of pickup vibrational energy.
It addition, referring to Fig. 2 to Fig. 3, the another kind of embodiment that this utility model provides:
For microgenerator, magnetoelectricity piezoelectricity compound mode is a kind of high-performance structure, more this high-performance structure carries out diversification, integrated combination, forms a small vibrating electromotor.It is here on the basis of piezoelectric ceramics cantilever beam structure, utilize Miniature magnetic electric generator as its oscillator, and this Miniature magnetic electric generator is also a kind of dynamical neodymium iron boron magnetic body electromotor, and the natural frequency of magnetoelectric generator is consistent with the natural frequency of this cantilever beam structure, make magnetoelectric generator generate electricity under resonance condition, reach the high-effect requirement of magnetoelectricity piezoelectricity combination generating.This structure is namely based on this principle, designs diversification structure, adds the unit such as rectification, transformation, electrical power storage controller, forms a high-effect small vibrating generator system.
Concrete, referring to Fig. 2 to Fig. 3, a kind of diversification magnetoelectricity piezoelectricity combination electromotor, the positive and negative stickup piezoelectric ceramic piece 1 in substrate 2 two sides, substrate 2 one end screw 4 is fastened on pedestal 5.
Miniature magnetic electric generator 3 is arranged on the other end of the substrate 2 of piezoelectric ceramic piece 1 with screw 4, as the oscillator of this cantilever beam structure.The external diameter of Miniature magnetic electric generator 3 is close or equal with substrate 2 width dimensions of piezoelectric ceramic piece 1.
The parameters such as the thickness of well-designed potsherd, substrate size and thickness, the natural frequency making cantilever beam structure is consistent with the natural frequency of magnetoelectric generator.
Pedestal 5 is used for receiving extraneous vibration, and cantilever beam structure produces vibrating power-generation therewith, and the vibration of cantilever beam structure forces magnetoelectric generator to generate electricity under resonance condition.
Many groups of (at least 8 group) Miniature magnetic voltage electricity are combined electromotor and is arranged on same pedestal 5, form diversification combination array.
Due to the magnitude difference of cantilever beam structure generating with magnetoelectric generator generating, cantilever beam structure generating should use circuit to its rectification and filtering with magnetoelectric generator generating respectively, re-uses add circuit and these two groups generatings are merged output.As required, then coordinate rectification, filter unit, plus unit such as voltage transformation unit, electrical power storage controller and electrical power storage media, form the high-effect small vibrating generator system of a diversification, integral structure.
It should be noted that the natural frequency of magnetoelectric generator is consistent with the natural frequency of cantilever beam structure, make magnetoelectric generator generate electricity under resonance condition, reach the high-effect of magnetoelectricity piezoelectricity combination generating.The substrate width adjoining dimensions or equal of the external diameter of Miniature magnetic electric generator and piezoelectric ceramic piece, to save installing space.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (9)
1. magnetoelectricity piezoelectricity combination electromotor, it is characterised in that include piezoelectric ceramic piece (1), substrate (2) that parelinvar is made and the Miniature magnetic electric generator (3) of vertical vibration energy can be accepted；The two-sided of described substrate (2) is all pasted with piezoelectric ceramic piece (1), substrate (2) one end is fixed on pedestal (5), the other end installs a Miniature magnetic electric generator (3), and Miniature magnetic electric generator (3), piezoelectric ceramic piece (1) and substrate (2) form a Miniature magnetic voltage electricity combination engine block with cantilever beam structure.
2. magnetoelectricity piezoelectricity according to claim 1 combination electromotor, it is characterised in that described piezoelectric ceramic piece (1) is rectangle piezoelectric ceramic piece.
3. magnetoelectricity piezoelectricity according to claim 1 combination electromotor, it is characterised in that the two-sided of described substrate (2) pastes piezoelectric ceramic piece (1) by just negative, positive plus or minus negative direction respectively.
4. magnetoelectricity piezoelectricity according to claim 1 combination electromotor, it is characterised in that described substrate (2) adopts beryllium-bronze, tin bronze or spring steel plate to make.
5. magnetoelectricity piezoelectricity according to claim 1 combination electromotor, it is characterised in that the eigentone of described cantilever beam structure is consistent with the natural frequency of Miniature magnetic electric generator.
6. magnetoelectricity piezoelectricity according to claim 1 combination electromotor, it is characterised in that the external diameter of described Miniature magnetic electric generator (3) is close or equal with substrate (2) width dimensions.
7. magnetoelectricity piezoelectricity according to claim 1 combination electromotor, it is characterised in that described Miniature magnetic electric generator (3) is neodymium iron boron magnetic body electromotor.
8. the magnetoelectricity piezoelectricity combination electromotor according to any one of claim 1～7, it is characterised in that be provided with many group Miniature magnetic voltage electricity combination engine block on described pedestal (5), form diversification combination array.
9. magnetoelectricity piezoelectricity according to claim 8 combination electromotor, it is characterised in that be at least provided with 8 groups of Miniature magnetic voltage electricity combination engine block on described pedestal (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620206526.XU CN205407628U (en) | 2016-03-17 | 2016-03-17 | Magnetoelectric piezoelectricity combination generator |
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| CN201620206526.XU CN205407628U (en) | 2016-03-17 | 2016-03-17 | Magnetoelectric piezoelectricity combination generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634331A (en) * | 2016-03-17 | 2016-06-01 | 西安陆洲智能传感技术有限公司 | Magnetoelectric and piezoelectric combined generator |
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2016
- 2016-03-17 CN CN201620206526.XU patent/CN205407628U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634331A (en) * | 2016-03-17 | 2016-06-01 | 西安陆洲智能传感技术有限公司 | Magnetoelectric and piezoelectric combined generator |
| CN105634331B (en) * | 2016-03-17 | 2017-09-29 | 西安陆洲智能传感技术有限公司 | A kind of magnetoelectricity piezoelectricity combines generator |
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