CN209057124U - A kind of combined vibrating energy collecting device - Google Patents
A kind of combined vibrating energy collecting device Download PDFInfo
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- CN209057124U CN209057124U CN201821790740.XU CN201821790740U CN209057124U CN 209057124 U CN209057124 U CN 209057124U CN 201821790740 U CN201821790740 U CN 201821790740U CN 209057124 U CN209057124 U CN 209057124U
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- frictional layer
- permanent magnet
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- frictional
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Abstract
The utility model discloses a kind of combined vibrating energy collecting devices, including cover board, frame and magneto-electric transducer, it include the first frictional layer in the frame, moving component, spring and the 4th frictional layer, moving component is by the second frictional layer, first conductive layer, permanent magnet, second conductive layer and third frictional layer are constituted, first frictional layer is arranged in cover board lower end surface, 4th frictional layer is arranged in base of frame upper surface, the spring one end is connected with permanent magnet, the other end is fixed on frame circumferential inner, the magneto-electric transducer is by main track magnetostrictive layer, piezoelectric layer and negative wire magnetostrictive layer are sequentially connected, the spring and magneto-electric transducer are evenly arranged in frame respectively, on excircle.Under extraneous vibrational excitation, permanent magnet can be moved back and forth, and deformation occurs for the change in size and piezoelectric layer of relative movement and magnetostrictive layer between drive frictional layer, to generate induced voltage.The utility model structure is simple, and using multiple kinds of energy transform mode, energy acquisition utilization rate is high.
Description
Technical field
The utility model relates to energy technology fields, and in particular to a kind of combined vibrating energy collecting device, it can be simultaneously
Using the vibrational energy in frictional electricity principle, magnetostrictive effect and piezoelectric effect acquisition environment, energy conversion efficiency is improved.
Background technique
With extensive use of the wireless sensor in MEMS, with service life is short, maintenance cost is high, is not easy
In the conventional batteries for replacing, polluting the disadvantages of environment, it has been difficult to meet its power demands.How energy is efficiently acquired from environment
Amount, realizes the self energizing technology of wireless sensor, is the hot issue of recent domestic scholar research.Vibrational energy is deposited with it
Generality, energy density is high the features such as favored by researcher.Vibrational energy is ubiquitous, such as the movement of automobile, train,
The walking etc. of human body, the working method of the main use of the energy harvester of oscillatory type have electromagnetic type, electrostatic, piezoelectric type and magnetic
It causes telescopic etc..It is most of at present based on the energy harvester of vibration only with single vibration energy harvesting mode, energy is received
Collect low efficiency.
Utility model content
The utility model proposes a kind of while utilizing frictional electricity for deficiency present in existing energy collecting device
Vibrational energy in principle, magnetostrictive effect and piezoelectric effect acquisition environment, improves the efficiency and practicability of energy collecting device.
What the technical solution of the utility model was realized in.
A kind of combined vibrating energy collecting device, including cover board, frame and magneto-electric transducer include in the frame
One frictional layer, moving component, spring and the 4th frictional layer, moving component is from top to bottom by the second frictional layer, the first conductive layer, forever
Magnet, the second conductive layer and third frictional layer are successively constituted, and the first frictional layer setting rubs in cover board lower end surface, the described 4th
It wipes layer to be arranged in base of frame upper surface, the spring one end and permanent magnet link together, and the other end is fixed on frame circumference
Inside, the magneto-electric transducer are sequentially connected by main track magnetostrictive layer, piezoelectric layer and negative wire magnetostrictive layer, the spring
It is respectively uniformly distributed on frame internal and external circumference with magneto-electric transducer.When combined vibrating energy collecting device is swashed by extraneous vibration
When encouraging, permanent magnet can generate the movement of horizontal direction, and the first frictional layer and the second frictional layer, third frictional layer and the 4th is driven to rub
It wipes and is relatively moved between layer, to generate charge inducing on the first conductive layer and the second conductive layer;When permanent magnet outside
When moving back and forth under the action of boundary's excitation and spring, the variation of frame surrounding magnetic field will lead to, so as to cause magnetostriction
Deformation occurs generates induced voltage for the change in size and piezoelectric layer of layer, using suitable energy management circuit by collected voltage
Collect be subject to using.
Second frictional layer, the first conductive layer, permanent magnet, the second conductive layer and third frictional layer central axis are located at same
On one axis.
First frictional layer and the 4th frictional layer shape are identical, select flexible material, the second frictional layer and third friction
Layer shape is identical, selects rigid material or flexible material;The peripheral diameter of second frictional layer and third frictional layer is less than first
The overall dimensions of frictional layer and the 4th frictional layer.
First conductive layer and the second conductive layer can have conductive material copper, aluminium, silver to be made, preferably copper product.
The permanent magnet uses neodymium-iron-boron cylindrical form permanent magnet, and the preferably trade mark is N52 type Nd-Fe-B permanent magnet.
The spring is distributed in frame along permanent magnet even circumferential, and quantity can be 2,3 or 4, excellent
3 are selected, spring and permanent magnet are located in same level.
The magneto-electric transducer is distributed outside frame along permanent magnet even circumferential, and quantity can be 2,3 or 4
A, preferably 3, magneto-electric transducer and permanent magnet are located in same level.
The permanent magnet, spring, magneto-electric transducer are located in same level, and spring and magneto-electric transducer position one
One is corresponding, and quantity is identical.
The polarization direction of the piezoelectric layer is its thickness direction, the thickness of main track magnetostrictive layer and negative wire magnetostrictive layer
It is 1 ~ 10um.
The frame and cover board are made of non-magnet material, and preferred material is plastics.
In the presence of the utility model solves the problems, such as technical background, there is following gain effect.
A kind of combined vibrating energy collecting device, structure is simple, can utilize frictional electricity principle, magnetostriction effect simultaneously
Answer and piezoelectric effect acquisition environment in vibrational energy, energy conversion efficiency is high;Compared to traditional chemical cell with more environmental protection
Free of contamination advantage, and miniaturized structure, integrated requirement can be met to a certain extent.
Detailed description of the invention
Fig. 1 is the utility model configuration schematic diagram.
Fig. 2 is that the utility model removes covering plate structure schematic diagram.
Fig. 3 is the utility model installation diagram.
Fig. 4 is the utility model moving component structural schematic diagram.
Fig. 5 is the utility model magneto-electric transducer structural schematic diagram.
Description of symbols.
1. cover board, 2. frames, 3. magneto-electric transducers, 31. main track magnetostrictive layers, 32. piezoelectric layers, 33. negative wire mangnetos are stretched
Contracting layer, 4. first frictional layers, 5. moving components, 51. second frictional layers, 52. first conductive layers, 53. permanent magnets, 54. second lead
Electric layer, 55. third frictional layers, 6. springs, 7. the 4th frictional layers.
Specific embodiment
The technical solution of the utility model is described in detail with reference to the accompanying drawing.
As shown in Fig. 1 ~ 5, a kind of combined vibrating energy collecting device, including cover board (1), frame (2) and magneto-electric transducer
It (3), include the first frictional layer (4), moving component (5), spring (6) and the 4th frictional layer (7), movement in the frame (2)
Component is rubbed by the second frictional layer (51), the first conductive layer (52), permanent magnet (53), the second conductive layer (54) and third from top to bottom
It wipes layer (55) successively to constitute, the first frictional layer (4) setting exists in cover board (1) lower end surface, the 4th frictional layer (7) setting
Frame (2) bottom upper surface, described spring (6) one end and permanent magnet (53) link together, and the other end is fixed on frame (2) circle
It is all internal, the magneto-electric transducer (3) by main track magnetostrictive layer (31), piezoelectric layer (32) and negative wire magnetostrictive layer (33) according to
Secondary to be connected, the spring (6) and magneto-electric transducer (3) is respectively uniformly distributed on frame (2) internal and external circumference.When combined type is shaken
When energy collector is motivated by extraneous vibration, permanent magnet (53) can generate the movement of horizontal direction, drive the first frictional layer
(4) and the second frictional layer (51) it, is relatively moved between third frictional layer (55) and the 4th frictional layer (7), thus first
Charge inducing is generated on conductive layer (52) and the second conductive layer (54);When permanent magnet (53) is in the work of dynamic excitation and spring (6)
When moving back and forth under, will lead to the variation of frame (2) surrounding magnetic field, so as to cause magnetostrictive layer change in size and
Piezoelectric layer deformation occurs generate induced voltage, being collected collected voltage using suitable energy management circuit is made
With.
In the present embodiment, selected second frictional layer (51), the first conductive layer (52), permanent magnet (53), the second conductive layer
(54) it is fixed together between third frictional layer (55) by seccotine, diameter is all identical, and selected frame (2) is
Hollow cylindrical structure, selected the first frictional layer (4) center are overlapped with cover board (1) center, and are located at cover board (1) lower end surface
On, the 4th selected frictional layer (7) center is overlapped with frame (2) bottom upper surface center, and is positioned above, selected spring
(6) select steel wire wound at spiral spring.
Claims (7)
1. a kind of combined vibrating energy collecting device, it is characterised in that: including cover board (1), frame (2) and magneto-electric transducer (3),
It include the first frictional layer (4), moving component (5), spring (6) and the 4th frictional layer (7), moving component in the frame (2)
From top to bottom by the second frictional layer (51), the first conductive layer (52), permanent magnet (53), the second conductive layer (54) and third frictional layer
(55) it successively constitutes, in cover board (1) lower end surface, the 4th frictional layer (7) is arranged in frame for the first frictional layer (4) setting
(2) bottom upper surface, described spring (6) one end and permanent magnet (53) link together, and the other end is fixed in frame (2) circumference
Portion, the magneto-electric transducer (3) is by main track magnetostrictive layer (31), piezoelectric layer (32) and negative wire magnetostrictive layer (33) successively phase
Even, the spring (6) and magneto-electric transducer (3) are evenly arranged on respectively on frame (2) internal and external circumference, when combined vibrating energy is adopted
When storage is motivated by extraneous vibration, permanent magnet (53) can generate the movement of horizontal direction, drive the first frictional layer (4) and second
Frictional layer (51) relatively moves between third frictional layer (55) and the 4th frictional layer (7), thus in the first conductive layer (52)
Charge inducing is generated on the second conductive layer (54);When permanent magnet (53) is past back and forth under the action of dynamic excitation and spring (6)
When moving again, the variation of frame (2) surrounding magnetic field will lead to, occur so as to cause the change in size and piezoelectric layer of magnetostrictive layer
Deformation generates induced voltage, collected voltage collected using suitable energy management circuit be subject to using.
2. a kind of combined vibrating energy collecting device as described in claim 1, it is characterised in that: second frictional layer
(51), the first conductive layer (52), permanent magnet (53), the second conductive layer (54) and third frictional layer (55) central axis are located at same
On axis.
3. a kind of combined vibrating energy collecting device as described in claim 1, it is characterised in that: first frictional layer (4)
It is identical with the 4th frictional layer (7) shape, flexible material is selected, the second frictional layer (51) is identical with third frictional layer (55) shape,
Select rigid material or flexible material;The peripheral diameter of second frictional layer (51) and third frictional layer (55) is less than the first friction
The overall dimensions of layer (4) and the 4th frictional layer (7).
4. a kind of combined vibrating energy collecting device as described in claim 1, it is characterised in that: the shape of the permanent magnet (53)
Shape is chosen as cylindrical, circular ring shape or square structure.
5. a kind of combined vibrating energy collecting device as described in claim 1, it is characterised in that: the spring (6) is in frame
(2) it is distributed in along permanent magnet (53) even circumferential, quantity can be 2,3 or 4, spring (6) and permanent magnet
(53) it is located in same level.
6. a kind of combined vibrating energy collecting device as described in claim 1, it is characterised in that: the magneto-electric transducer (3)
It is distributed outside along permanent magnet (53) even circumferential in frame (2), quantity can be 2,3 or 4, magneto-electric transducer
(3) it is located in same level with permanent magnet (53).
7. a kind of combined vibrating energy collecting device as described in claim 1, it is characterised in that: the permanent magnet (53), bullet
Spring (6), magneto-electric transducer (3) are located in same level, and spring (6) and magneto-electric transducer (3) position correspond, number
It measures identical.
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CN201821790740.XU CN209057124U (en) | 2018-11-01 | 2018-11-01 | A kind of combined vibrating energy collecting device |
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CN201821790740.XU CN209057124U (en) | 2018-11-01 | 2018-11-01 | A kind of combined vibrating energy collecting device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111564945A (en) * | 2020-06-15 | 2020-08-21 | 河南工业大学 | Combined type vibration energy collector |
CN111628673A (en) * | 2020-05-08 | 2020-09-04 | 哈尔滨工程大学 | Multi-point type nanometer friction power generation unit and device |
CN111799939A (en) * | 2020-07-17 | 2020-10-20 | 湖南工程学院 | Electromagnetic-friction composite pavement energy collector suitable for pulse excitation |
-
2018
- 2018-11-01 CN CN201821790740.XU patent/CN209057124U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111628673A (en) * | 2020-05-08 | 2020-09-04 | 哈尔滨工程大学 | Multi-point type nanometer friction power generation unit and device |
CN111628673B (en) * | 2020-05-08 | 2023-09-29 | 哈尔滨工程大学 | Multi-point nano friction power generation unit and device |
CN111564945A (en) * | 2020-06-15 | 2020-08-21 | 河南工业大学 | Combined type vibration energy collector |
CN111564945B (en) * | 2020-06-15 | 2022-08-02 | 河南工业大学 | Combined type vibration energy collector |
CN111799939A (en) * | 2020-07-17 | 2020-10-20 | 湖南工程学院 | Electromagnetic-friction composite pavement energy collector suitable for pulse excitation |
CN111799939B (en) * | 2020-07-17 | 2022-07-01 | 湖南工程学院 | Electromagnetic-friction composite pavement energy collector suitable for pulse excitation |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20191101 |