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A kind of large-area friction generator and its preparation method

A generator and friction-type technology, applied in the direction of friction generators, etc., can solve the problems of complex manufacturing process, low practicability, and high cost, and achieve the effects of large area, improved surface roughness, and low cost

Active Publication Date: 2016-06-29
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, a series of power generation floor designs have been published on China Patent Network [Shi Caijun, Power Generation Floor, Chinese Invention Patent, Application No.: 200920353001.9; Based on electromagnetic and piezoelectric principles, the cost is high, the production process is complicated, and the volume is too large to be practical.

Method used

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  • A kind of large-area friction generator and its preparation method
  • A kind of large-area friction generator and its preparation method
  • A kind of large-area friction generator and its preparation method

Examples

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Embodiment 1

[0039] Attached below Figure 1-4 Example 1 of the specific steps of the frictional power generation floor provided by the present invention and its preparation method is described.

[0040] refer to figure 1 , figure 1 It is a schematic diagram of the structure of the large-area flexible power generation floor in this example. Its structure includes: PE film with frosted structure, conductive electrodes, PET film for support, PVC plastic support frame at the edge, and EVA foam. refer to figure 2 , figure 2 It is a schematic cross-sectional top view structure diagram of this example. refer to image 3 , image 3 It is an array type power generation floor composed of multiple power generation floors. On the one hand, this structure can realize the purpose of large-area power generation floor. On the other hand, through reasonable circuit design, it can be used in the field of security to realize large-area monitoring of human movement without dead ends. And it is used ...

Embodiment 2

[0046] Attached below Figure 4-5 Example 2 of the specific steps of the frictional power generation floor provided by the present invention and its preparation method is described.

[0047] refer to Figure 4 , Figure 4 It is a schematic diagram of the structure of the large-area flexible power generation floor in this example, and its structure includes: PE film with frosted structure, conductive electrodes, PET film for support, smooth PVC film, and EVA foam. refer to Figure 5 , Figure 5 It is a schematic cross-sectional top view structure diagram of this example. This example can also constitute Figure 4The array-type power generation floor composed of multiple power generation floors shown above, on the one hand, this structure can realize the purpose of large-area power generation floor, on the other hand, based on the fully flexible structure, it can be laid under carpets, etc., and through reasonable circuit design, it can be used In the field of security, it...

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Abstract

The invention discloses a large-area friction generator and a preparation method thereof. The structure of the generator includes a thin polymer film, a conductive electrode, a support material, a support frame and inter-structure support objects. The friction energy collector and the preparation method, which are proposed by the invention, are low in cost and high in practicality; and the system is easy to manufacture and has a high-voltage output capability and a strong charging capability.

Description

technical field [0001] The invention belongs to the technical field of electric energy, and relates to a large-area friction generator and a preparation method thereof, in particular to a flexible power generation floor that can be used as a self-driven large-area pressure sensor based on the principles of friction electrification and electrostatic induction, and a preparation method thereof . Background technique [0002] Harvesting energy from the living environment is widely regarded as an effective way to achieve green energy and sustainable energy development, and is expected to play an important role in the energy supply of wireless transmission systems, implanted medical devices, and even consumer electronics. Based on the principle of triboelectrification and electrostatic induction, the micro triboelectric generator prepared by simple and low-cost processing can complete the high-efficiency collection of mechanical energy in the surrounding environment, and achieve ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N1/04
Inventor 张海霞程晓亮韩梦迪孟博刘雯
Owner PEKING UNIV
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