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Stack type dielectric elastomer wave energy collector

A dielectric elastomer and energy harvester technology, which is applied in electrical components, ocean energy generation, machines/engines, etc., can solve problems such as low energy conversion efficiency, low material energy density, and susceptibility to corrosion damage, and achieve energy conversion High efficiency, low energy density, and not easy to be damaged by corrosion

Active Publication Date: 2015-04-01
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problems existing in the existing energy collectors such as complex structure, large volume, large mass, low energy conversion efficiency, high noise, low material energy density, long response time, difficult processing and manufacturing, and easy to be damaged by corrosion. A stacked dielectric elastomer wave energy harvester is provided

Method used

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  • Stack type dielectric elastomer wave energy collector
  • Stack type dielectric elastomer wave energy collector
  • Stack type dielectric elastomer wave energy collector

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specific Embodiment approach 1

[0012] Specific implementation mode one: combine Figure 1 ~ Figure 3 Describe this embodiment, this embodiment includes an upper plate 3, a lower plate 4, a floating body 7, a star plate 10, a pull rod 11, a rigid rope 12, a second support 13, at least three dielectric elastomer transducer elements 1, At least three sleeves 2, at least three pillars 5, three support legs 6, three pressure hammers 8 and three first supports 9, the dielectric elastomer transducer element 1 consists of 50 to 60 circular dielectric The elastomer films 1-1 are stacked up and down sequentially, and the upper and lower end surfaces of each circular dielectric elastomer film 1-1 are coated with flexible electrodes 1-2, star-shaped disc 10, upper plate 3, lower plate 4 and floating body 7 are arranged horizontally from top to bottom, three sleeves 2 and three pillars 5 are arranged alternately between the upper plate 3 and the lower plate 4, and the upper ends of each sleeve 2 and pillar 5 are fixedly...

specific Embodiment approach 2

[0013] Specific implementation mode two: combination figure 2 This embodiment will be described. The dielectric elastomer transducing element 1 of this embodiment is formed by stacking 55 circular dielectric elastomer films 1 - 1 up and down. The number of circular dielectric elastomer films 1-1 is large, and the thickness of the dielectric elastomer transducing element 1 is increased, thereby increasing the working capacitance of the dielectric elastomer transducing element 1 and improving the energy conversion scale of the energy harvester. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0014] Specific implementation mode three: combination figure 2 The present embodiment will be described. The circular dielectric elastomer film 1-1 of the present embodiment is made of a silicone rubber material. If set in this way, the deformation of the film is large and the deformation of the driver is large. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a stack type dielectric elastomer wave energy collector and solves problems of complex structure, large volume, large mass, low energy conversion efficiency, high noise and low material energy density existing in an energy collector in the prior art. A dielectric elastomer transduction element comprises 50-60 circular dielectric elastomer films which are sequentially stacked from up to down, upper and lower end faces of each circular dielectric elastomer film are respectively coated with a flexible electrode, a star-shaped disc, an upper board, a lower board and a floating body are horizontally arranged sequentially from up to down, three sleeves and three supporting columns are arranged between the upper board and the lower board in a staggered mode, each sleeve and upper ends of and the supporting columns are respectively fixedly connected with the upper board, lower ends of the supporting columns are respectively fixedly connected with the lower board, the sleeves are internally equipped with the dielectric elastomer transduction elements and press hammers, upper ends of the press hammers are hinged with a first support seat, an upper end of a pull rod is hinged with a second support seat, the lower end of the pull rod penetrates through center holes of the upper board and the lower board and then is connected with a rigid rope, and the lower end of the rigid rope penetrates through an inner hole of the floating body. The stack type dielectric elastomer wave energy collector is applied to low-frequency large-deformation energy source power generating occasions.

Description

technical field [0001] The invention relates to an energy collector, in particular to a stacked dielectric elastomer wave energy collector. Background technique [0002] Existing energy harvesters often use ambient energy to drive generators to convert electrical energy. Therefore, this type of energy harvesting system has problems such as complex structure, large volume, low energy conversion efficiency, and large noise. At the same time, the new Energy harvesters based on different energy conversion principles of various smart materials have problems such as low energy density, long response time, difficult processing and manufacturing, and are susceptible to corrosion damage. Therefore, existing energy harvesters are difficult to operate at low frequencies, Large deformation energy source power generation occasions such as wave power generation in oceans, rivers, lakes and other fields. Contents of the invention [0003] The present invention aims to solve the problems...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/18F03B13/14
CPCY02E10/30
Inventor 冷劲松刘彦菊刘立武吕雄飞焦阳罗晓建
Owner HARBIN INST OF TECH