JP2018074905A5

JP2018074905A5 -

Info

Publication number: JP2018074905A5
Application number: JP2017246760A
Authority: JP
Filing date: 2017-12-22
Publication date: 2019-07-18
Anticipated expiration: 2036-09-06

Claims

A power generation element that generates power by converting vibration energy into electric energy, and
A first plate-like structure having a first attribute of flexibility, a second plate-like structure having a second attribute of flexibility, and a third plate-like having a third attribute of flexibility A structural body, a first intermetallic joint connecting the first plate-like structure and the second plate-like structure to each other, the second plate-like structure and the third plate-like structure A basic structure having a second intergroup connection body mutually connecting the plate-like structure, and a pedestal supporting the first plate-like structure;
A charge generation element that generates charge based on the deformation of the basic structure portion;
Equipped with
A root end of the first plate-like structure is directly or indirectly connected to the pedestal, and a tip is directly or indirectly connected to the first intergeneric connection, The tip is disposed at one side in the first direction than the root,
A root end of the second plate-like structure is directly or indirectly connected to the first inter-generic connection, and a tip is directly or indirectly connected to the second inter-generic connection. Are connected to each other, and the tip is disposed on the other side in the first direction than the root end,
In the third plate-like structure, the root end is connected directly or indirectly to the second intermetallic connector, and the tip end is one side in the first direction than the root end. A power generating element characterized in being disposed in

In the power generation element according to claim 1,
A power generating element , wherein an upper surface of the first plate-like structure, an upper surface of the second plate-like structure, and an upper surface of the third plate-like structure are disposed in the same plane .

In the power generation element according to claim 1 or 2 ,
The basic structure portion further includes a first weight connected to the first inter-generic connection, a second weight connected to the second inter-generic connection, and a third weight . A power generation element comprising at least one of a third weight connected to a tip of a plate-like structure.

In the power generation element according to claim 1 or 2,
A first weight body, the basic structure further comprising a leading end connector connected to the tip end of the third plate-like structure, and connected to the first intergeneric connector; , At least one of a second weight connected to the second connection between different genera and a third weight connected to the leading end connection. Power generation element to be.

In the power generation element according to any one of claims 1 to 4,
At least two of the first plate-like structure, the second plate-like structure, and the third plate-like structure extend in parallel with one another.

In the power generation element according to any one of claims 1 to 4,
A power generating element, wherein the first plate-like structure, the second plate-like structure, and the third plate-like structure respectively extend in parallel with each other.

The power generation element according to any one of claims 1 to 6 ,
A power generation element characterized in that the charge generation element has a piezoelectric element formed in a portion which causes deformation of the plate-like structure.

In the power generation element according to claim 7 ,
A piezoelectric element is formed on a lower electrode layer formed on the upper surface of the plate-like structure, a piezoelectric material layer formed on the upper surface of the lower electrode layer and generating electric charge based on stress, and formed on the upper surface of the piezoelectric material layer And an upper electrode layer, and supplying electric charges of predetermined polarity to the lower electrode layer and the upper electrode layer, respectively.

In the power generation element according to claim 7 ,
A common lower electrode layer is formed on the upper surface of the plate-like structure, a common piezoelectric material layer is formed on the upper surface of the common lower electrode layer, and a plurality of electrically independent layers are formed at different positions on the upper surface of the common piezoelectric material layer. An individual upper electrode layer is formed, and when the plate-like structure is subjected to a specific deformation, each individual upper electrode layer is supplied with charges of the same polarity from the piezoelectric material layer. element.

In the power generation element according to claim 9 ,
The plate-like structure, each power generation device characterized by being arranged individual upper electrode layer.

In the power generation element according to claim 9 or 10 ,
A power generation element comprising: a power generation circuit for rectifying electric current generated between a common lower electrode layer and each individual upper electrode layer based on charges generated in the piezoelectric element to take out electric power.