CN210693799U - Nonlinear piezoelectric vibration energy capture structure - Google Patents
Nonlinear piezoelectric vibration energy capture structure Download PDFInfo
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- CN210693799U CN210693799U CN201921644473.XU CN201921644473U CN210693799U CN 210693799 U CN210693799 U CN 210693799U CN 201921644473 U CN201921644473 U CN 201921644473U CN 210693799 U CN210693799 U CN 210693799U
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Abstract
The utility model discloses a nonlinear piezoelectric type vibration energy capture structure, the on-line screen storage device comprises a base, base upper end fixedly connected with curb plate, base upper end rear side fixedly connected with backplate, curb plate right side middle part fixedly connected with fixed block, fixed block upper end fixedly connected with cantilever beam, both ends all bond piezoelectric patches about the cantilever beam, the first magnet piece of cantilever beam right flank fixedly connected with. The utility model discloses an outside vibration source drives base and curb plate vibration, thereby make the cantilever beam produce the vibration, second magnet piece on first magnet piece and the movable block through the cantilever beam right side is relative with the magnetic pole, produce the repulsion, make the cantilever beam produce multiple jump, thereby make the piezoelectric patches produce deformation, turn into the electric energy with vibration energy, at the in-process of cantilever beam vibration, the movable mass slides on the slide bar, the elastic ball body and the spring of bottom produce deformation equally, make the vibration frequency of cantilever beam higher, the reinforcing capture effect.
Description
Technical Field
The utility model relates to an energy capture technical field specifically is a nonlinear piezoelectric type vibration energy captures structure.
Background
The core hardware basic wireless network node in the wireless sensor network is changed from passive battery energy supply to active vibration energy supply, namely energy capture, which is to collect energy in other forms in the environment and convert the energy into electric energy, so that the electric energy can be provided for low-power consumption electronic equipment without an external power supply. The existing nonlinear piezoelectric vibration energy capture structure is likely to cause small vibration frequency of a cantilever beam due to undersize exciting force, so that the capture effect is poor and the electric energy conversion effect is influenced. To this end, we propose a nonlinear piezoelectric vibration energy trapping structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a nonlinear piezoelectric type vibration energy catches structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a nonlinear piezoelectric vibration energy capture structure comprises a base, wherein a side plate is fixedly connected to the upper end of the base, a back plate is fixedly connected to the rear side of the upper end of the base, a fixed block is fixedly connected to the middle of the right side of the side plate, a cantilever beam is fixedly connected to the upper end of the fixed block, piezoelectric plates are respectively bonded to the upper end and the lower end of the cantilever beam, a first magnet block is fixedly connected to the right side of the cantilever beam, a connecting plate is fixedly connected to the right side of the front side of the back plate, a threaded rod is connected to the connecting plate in a threaded manner, a moving block is rotatably connected to the left side of the threaded rod through a bearing, a second magnet block is fixedly connected to the left side of the moving block, two groups of connecting seats are fixedly connected, the upper end of the spring is fixedly connected with an elastic ball body.
Preferably, a sliding groove is formed in the front side face of the back plate, a sliding block is fixedly connected to one side face, close to the back plate, of the moving block, and the sliding block is connected in the sliding groove in a sliding mode.
Preferably, the first magnet block and the second magnet block are horizontally and symmetrically arranged.
Preferably, the elastic ball is positioned at the lower end of the middle part of the sliding rod.
Preferably, the upper end of the elastic sphere is attached to the lower end face of the piezoelectric patch.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses with this structrual installation on the vibration source, drive base and curb plate vibration through the external vibration source, thereby make the cantilever beam produce the vibration, second magnet piece on first magnet piece on through the cantilever beam right side and the movable block is relative with the magnetic pole, produce the repulsion, make the cantilever beam produce multiple jump, thereby make the piezoelectric plate produce deformation, turn into the electric energy with vibration energy, at the in-process of cantilever beam vibration, it slides on the slide bar to move the mass block, the elastic ball body and the spring of bottom produce deformation equally, make the vibration frequency of cantilever beam higher, the reinforcing capture effect, through rotating the threaded rod, can make the movable block drive the second magnet piece and carry out horizontal motion, adjust the horizontal position of second magnet piece, and then adjust the distance between second magnet piece and the first magnet piece.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the top view structure of the present invention.
In the figure: the device comprises a base 1, a side plate 2, a back plate 3, a fixed block 4, a cantilever beam 5, a piezoelectric plate 6, a first magnet block 7, a connecting plate 8, a threaded rod 9, a moving block 10, a second magnet block 11, a connecting seat 12, a sliding rod 13, a movable mass block 14, a spring 15 and an elastic ball 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a nonlinear piezoelectric vibration energy capture structure comprises a base 1, wherein the upper end part of the base 1 is fixedly connected with a side plate 2, the upper rear side of the upper end of the base 1 is fixedly connected with a back plate 3, the middle part of the right side of the side plate 2 is fixedly connected with a fixed block 4, the upper end of the fixed block 4 is fixedly connected with a cantilever beam 5, piezoelectric plates 6 are respectively bonded at the upper end and the lower end of the cantilever beam 5, the right side of the cantilever beam 5 is fixedly connected with a first magnet block 7, the right side of the front side surface of the back plate 3 is fixedly connected with a connecting plate 8, the connecting plate 8 is in threaded connection with a threaded rod 9, the left side of the threaded rod 9 is rotatably connected with a movable block 10 through a bearing, the left side surface of the movable block 10 is fixedly connected with a second magnet block 11, the upper end of the cantilever beam, the upper end of the base 1 is fixedly connected with a spring 15, and the upper end of the spring 15 is fixedly connected with an elastic ball 16.
Specifically, the sliding groove is formed in the front side face of the back plate 3, the sliding block 10 is fixedly connected to a side face, close to the back plate 3, of the sliding block, the sliding block is connected in the sliding groove in a sliding mode, the threaded rod 9 is rotated, the threaded rod 9 moves horizontally relative to the connecting plate 8, the sliding block is connected in the sliding groove in a sliding mode, the moving block 10 is limited, accordingly, the moving block 10 only moves horizontally along with the threaded rod 9, rotation cannot occur, and then the horizontal position of the second magnet block 11 is adjusted.
Specifically, the first magnet block 7 and the second magnet block 11 are horizontally and symmetrically arranged so that the first magnet block 7 and the second magnet block 11 are opposite to each other in the same magnetic pole, and a repulsive force is generated.
In particular, the elastic ball 16 is located at the lower end of the middle portion of the sliding rod 13.
Specifically, the upper end of the elastic sphere 16 is attached to the lower end surface of the piezoelectric patch 6.
In particular, when in use, the structure is arranged on a vibration source, the base 1 and the side plate 2 are driven to vibrate by the external vibration source, thereby the cantilever beam 5 generates vibration, the first magnet block 7 at the right side of the cantilever beam 5 and the second magnet block 11 on the moving block 10 are opposite to each other with the same magnetic pole, repulsion is generated, so that the cantilever beam 5 generates various jumps, the piezoelectric sheet 6 is deformed, the vibration energy is converted into electric energy, during the vibration of the cantilever beam 5, the movable mass block 14 slides on the slide rod 13, the elastic ball 16 and the spring 15 at the bottom are also deformed, the vibration frequency of the cantilever beam 5 is higher, the capture effect is enhanced, and by rotating the threaded rod 9, the moving block 10 can drive the second magnet block 11 to move horizontally, so as to adjust the horizontal position of the second magnet block 11, and further adjust the distance between the second magnet block 11 and the first magnet block 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A nonlinear piezoelectric vibration energy trapping structure comprising a base (1), characterized in that: the improved structure of the magnetic suspension device is characterized in that a side plate (2) is fixedly connected to the upper end of a base (1), a back plate (3) is fixedly connected to the rear side of the upper end of the base (1), a fixed block (4) is fixedly connected to the middle of the right side of the side plate (2), a cantilever beam (5) is fixedly connected to the upper end of the fixed block (4), piezoelectric plates (6) are bonded to the upper end and the lower end of the cantilever beam (5), a first magnet block (7) is fixedly connected to the right side surface of the cantilever beam (5), a connecting plate (8) is fixedly connected to the right side surface of the front side surface of the back plate (3), a threaded rod (9) is connected to the connecting plate (8), a moving block (10) is rotatably connected to the left side of the threaded rod (9) through a bearing, a second magnet block (11) is fixedly connected to, sliding connection has sliding mass piece (14) on slide bar (13), base (1) upper end fixedly connected with spring (15), spring (15) upper end fixedly connected with elasticity spheroid (16).
2. The nonlinear piezoelectric vibration energy trapping structure of claim 1, wherein: a sliding groove is formed in the front side face of the back plate (3), a sliding block is fixedly connected to one side face, close to the back plate (3), of the moving block (10), and the sliding block is connected in the sliding groove in a sliding mode.
3. The nonlinear piezoelectric vibration energy trapping structure of claim 1, wherein: the first magnet block (7) and the second magnet block (11) are horizontally and symmetrically arranged.
4. The nonlinear piezoelectric vibration energy trapping structure of claim 1, wherein: the elastic ball body (16) is positioned at the lower end of the middle part of the sliding rod (13).
5. The nonlinear piezoelectric vibration energy trapping structure of claim 1, wherein: the upper end of the elastic sphere (16) is attached to the lower end face of the piezoelectric sheet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921644473.XU CN210693799U (en) | 2019-09-29 | 2019-09-29 | Nonlinear piezoelectric vibration energy capture structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921644473.XU CN210693799U (en) | 2019-09-29 | 2019-09-29 | Nonlinear piezoelectric vibration energy capture structure |
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| CN210693799U true CN210693799U (en) | 2020-06-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564989A (en) * | 2020-06-15 | 2020-08-21 | 河南工业大学 | Piezoelectric-electromagnetic combined vibration energy collector |
| CN112902610A (en) * | 2021-01-27 | 2021-06-04 | 广东汇群中药饮片股份有限公司 | Processing device for processing coptis chinensis decoction pieces and processing technology based on device |
| CN114396451A (en) * | 2022-01-19 | 2022-04-26 | 北京市科学技术研究院城市安全与环境科学研究所 | Bistable nonlinear vibration isolator and rail vibration isolation system |
-
2019
- 2019-09-29 CN CN201921644473.XU patent/CN210693799U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564989A (en) * | 2020-06-15 | 2020-08-21 | 河南工业大学 | Piezoelectric-electromagnetic combined vibration energy collector |
| CN111564989B (en) * | 2020-06-15 | 2022-10-25 | 河南工业大学 | Piezoelectric-electromagnetic combined vibration energy collector |
| CN112902610A (en) * | 2021-01-27 | 2021-06-04 | 广东汇群中药饮片股份有限公司 | Processing device for processing coptis chinensis decoction pieces and processing technology based on device |
| CN112902610B (en) * | 2021-01-27 | 2022-03-25 | 广东汇群中药饮片股份有限公司 | Processing device for processing coptis chinensis decoction pieces and processing technology based on device |
| CN114396451A (en) * | 2022-01-19 | 2022-04-26 | 北京市科学技术研究院城市安全与环境科学研究所 | Bistable nonlinear vibration isolator and rail vibration isolation system |
| CN114396451B (en) * | 2022-01-19 | 2022-11-11 | 北京市科学技术研究院城市安全与环境科学研究所 | Bistable nonlinear vibration isolator and rail vibration isolation system |
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Granted publication date: 20200605 Termination date: 20200929 |
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