CN219368987U

CN219368987U - Flexible capacitive sensor

Info

Publication number: CN219368987U
Application number: CN202223261022.2U
Authority: CN
Inventors: 李立; 李元元; 刘凯
Original assignee: Jiaxing Juxinlong Technology Co ltd; Yangtze Delta Region Institute of Tsinghua University Zhejiang
Current assignee: Jiaxing Juxinlong Technology Co ltd; Yangtze Delta Region Institute of Tsinghua University Zhejiang
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-07-18
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a flexible capacitance sensor, which belongs to the technical field of capacitance sensors and comprises an upper packaging layer, wherein a first conductive layer is arranged at the lower end of the upper packaging layer, a dielectric layer is fixedly arranged at the lower end of the first conductive layer, a second conductive layer is fixedly arranged at the lower end of the dielectric layer, a protective layer is fixedly arranged at the lower end of the second conductive layer, an adhesive layer is fixedly arranged at the lower end of the protective layer, a bending-resistant column is fixedly arranged in the upper packaging layer, a wear-resistant layer is fixedly arranged at the upper end of the upper packaging layer, glass fibers are mainly used as main materials of the wear-resistant layer, a tough bonding layer is fixedly arranged at the upper end of the dielectric layer, a connecting layer is fixedly arranged at the upper end of the tough bonding layer, and rubber is used as a material of the tough bonding layer. This makes it possible to perform normal use when the body is bent.

Description

Flexible capacitive sensor

Technical Field

The utility model relates to a capacitance sensor, in particular to a flexible capacitance sensor, and belongs to the technical field of capacitance sensors.

Background

The pressure sensor is used as a detection tool widely applied to the field of automation, and is used for detecting the pressure born by an object, and is commonly used for pressure sensing when a manipulator is used for gripping, pressure feedback of an intelligent artificial limb fingertip and finger pinching force detection in rehabilitation medicine, and the traditional pressure sensor is made of rigid materials and is large in whole volume, and cannot perform fine sensing in the sensing process, so that precise-level sensing feedback cannot be performed.

The patent of present patent number (CN 217155545U) proposes a flexible capacitive sensor and flexible pad, its device capacitive sensor's two electrode layers are flexible electrode layer to set up the insulating layer that is located between first flexible electrode layer and the second flexible electrode layer and be flexible insulating layer, can improve flexible capacitive sensor's softness, when it is applied to in the flexible pad, can improve flexible pad's travelling comfort, but its device is when receiving the pressure bending, leads to the condition that leads to whole damage, can't carry out flexible bending and use, to above-mentioned problem, the utility model provides a flexible capacitive sensor makes things convenient for people to use.

Disclosure of Invention

The utility model aims to provide a flexible capacitive sensor which can be bent and can be normally used, and solves the technical problem that the sensor in the prior art cannot be bent.

In order to solve the problems, the following technical scheme is provided:

the flexible capacitive sensor comprises an upper packaging layer, wherein a first conductive layer is arranged at the lower end of the upper packaging layer, a dielectric layer is fixedly arranged at the lower end of the first conductive layer, a second conductive layer is fixedly arranged at the lower end of the dielectric layer, a protective layer is fixedly arranged at the lower end of the second conductive layer, a sticking layer is fixedly arranged at the lower end of the protective layer, and a bending-resistant column is fixedly arranged in the upper packaging layer.

Further, the upper end of the upper packaging layer is fixedly provided with a wear-resistant layer, and the wear-resistant layer is mainly made of glass fibers.

Further, the upper end of the dielectric layer is fixedly provided with a flexible bonding layer, the upper end of the flexible bonding layer is fixedly provided with a connecting layer, and the flexible bonding layer is made of rubber.

Further, the main material of the connecting layer is self-adhesive, and the upper end of the connecting layer is attached to the lower end of the upper packaging layer.

Further, the lower end of the adhesion layer is fixedly provided with a lower packaging layer.

Further, the bending-resistant column is made of rubber, and the bending-resistant column is made of a cylinder.

Further, an external first electrode is fixedly arranged on one side of the second conductive layer, and an external second electrode is arranged at the lower end of the external first electrode.

1. According to the utility model, the bending-resistant columns and the rubber bending-resistant columns are fixedly arranged in the upper packaging layer and the lower packaging layer, so that the whole body can be folded, and the whole body has good toughness and cannot be damaged;

2. according to the utility model, the flexible bonding layer made of rubber is fixedly arranged around the upper end of the dielectric layer, so that the overall flexibility is improved, and the wear-resistant layer can ensure the wear resistance of the upper end of the upper packaging layer;

compared with the prior art, the utility model has the beneficial effects that:

specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a flexible capacitive sensor according to the present utility model;

FIG. 2 is a schematic illustration of a front cross-sectional structure of a flexible capacitive sensor according to the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of a partial structure of a flexible capacitive sensor according to the present utility model;

fig. 5 is a schematic partial structure of a flexible capacitive sensor according to the present utility model.

In the figure: 1. an upper encapsulation layer; 2. a wear-resistant layer; 3. a first conductive layer; 4. a dielectric layer; 5. a second conductive layer; 6. a protective layer; 7. an adhesive layer; 8. a lower encapsulation layer; 9. bending resistance column; 10. a ductile bonding layer; 11. a connection layer; 12. an outer first electrode; 13. an external second electrode.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, the flexible capacitive sensor provided in this embodiment includes an upper packaging layer 1, where the upper packaging layer 1 is matched with a lower packaging layer 8 to protect an internal conductive layer, a first conductive layer 3 is provided at a lower end of the upper packaging layer 1, a dielectric layer 4 is fixedly provided at a lower end of the first conductive layer 3, a second conductive layer 5 is fixedly provided at a lower end of the dielectric layer 4, a protective layer 6 is fixedly provided at a lower end of the second conductive layer 5, an adhesive layer 7 is fixedly provided at a lower end of the protective layer 6, a bending-resistant column 9 is fixedly provided in the upper packaging layer 1, the bending-resistant column 9 has better toughness when being bent, no deformation occurs,

in this embodiment, as shown in figures 1-5,

preferably, the upper end of the upper packaging layer 1 is fixedly provided with the wear-resistant layer 2, the main material of the wear-resistant layer 2 is glass fiber, and the glass fiber has better protection against friction with the outside.

Preferably, the upper end of the dielectric layer 4 is fixedly provided with a flexible bonding layer 10, the upper end of the flexible bonding layer 10 is fixedly provided with a connecting layer 11, and the flexible bonding layer 10 is made of rubber.

Preferably, the main material of the connection layer 11 is self-adhesive, and the upper end of the connection layer 11 is attached to the lower end of the upper packaging layer 1.

Preferably, the lower end of the adhesive layer 7 is fixedly provided with a lower encapsulation layer 8.

Preferably, the bending resistance column 9 is made of rubber, and the bending resistance column 9 is made of a cylinder.

Preferably, an external first electrode 12 is fixedly arranged on one side of the second conductive layer 5, and an external second electrode 13 is arranged at the lower end of the external first electrode 12.

The application principle and the application flow of the utility model are as follows: when in use, when the upper packaging layer 1 is bent, the bending resistance of the rubber material column 9 inside the upper packaging layer 1 can be enhanced when the upper packaging layer 1 and the lower packaging layer 8 are bent, because the rubber material body has better bending property, the bending resistance columns 9 can improve the whole toughness, the central hollow toughness combination layer 10 can be used normally when being bent, the toughness of the body can be enhanced when the body is bent, and the practicability is improved.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims

1. The utility model provides a flexible capacitive sensor, its characterized in that, including last encapsulation layer (1), the lower extreme of going up encapsulation layer (1) is provided with first conducting layer (3), the fixed dielectric layer (4) that is provided with in lower extreme of first conducting layer (3), the fixed second conducting layer (5) that is provided with in lower extreme of dielectric layer (4), the fixed protective layer (6) that is provided with in lower extreme of second conducting layer (5), the fixed adhesive layer (7) that is provided with in lower extreme of protective layer (6), the inside of going up encapsulation layer (1) is fixed and is provided with bending resistance post (9).

2. A flexible capacitive sensor according to claim 1, characterized in that the upper end of the upper encapsulation layer (1) is fixedly provided with a wear-resistant layer (2), and the wear-resistant layer (2) is mainly made of glass fibers.

3. The flexible capacitive sensor according to claim 1, wherein a flexible bonding layer (10) is fixedly arranged at the upper end of the dielectric layer (4), a connecting layer (11) is fixedly arranged at the upper end of the flexible bonding layer (10), and the flexible bonding layer (10) is made of rubber.

4. A flexible capacitive sensor according to claim 3, wherein the main material of the connection layer (11) is self-adhesive, and the upper end of the connection layer (11) is attached to the lower end of the upper packaging layer (1).

5. A flexible capacitive sensor according to claim 1, characterized in that the lower end of the adhesive layer (7) is fixedly provided with a lower encapsulation layer (8).

6. A flexible capacitive sensor according to claim 1, characterized in that the bending resistant pillar (9) is in the shape of a rubber and the bending resistant pillar (9) is in the shape of a cylinder.

7. A flexible capacitive sensor according to claim 1, characterized in that an outer first electrode (12) is fixedly arranged on one side of the second conductive layer (5), and an outer second electrode (13) is arranged at the lower end of the outer first electrode (12).