Gel sensor structure

By using a combined structure of the substrate layer and two gel layers in the gel sensor and an adjustable connection mechanism, the problem of the gel sensor falling off during human movement is solved, achieving higher connection firmness and convenient installation.

CN222323553UActive Publication Date: 2025-01-10WEIFANG MEDICAL UNIV
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Patent Information

Application Number
CN202323145753.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-11-21
Publication Date
2025-01-10
Estimated Expiration
2033-11-21

AI Technical Summary

Technical Problem

Existing hydrogel flexible sensors are prone to falling off due to the sliding of the connecting wire during human movement, causing the gel to fall off the skin.

Method used

The gel induction layer consisting of a substrate layer and two gel layers is used to provide support to the metal sheet through the substrate layer, so that the metal sheet and the substrate layer are integrally formed, and combined with adjustable clamping components and connecting mechanisms, the gel is enhanced. The connection between the layer and the substrate layer is firm and facilitates connection with external devices.

Benefits of technology

It effectively reduces the chance of the gel falling off the skin and improves the convenience of the gel sensor and connectivity stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a gel sensor structure, which comprises a bottom plate layer and a gel sensing layer, the gel sensing layer is fixed on one side of the bottom plate layer, and one side of the gel sensing layer far away from the bottom plate layer is detachably bonded with a release layer; the gel sensing layer comprises a substrate layer and two gel layers, the substrate layer is located between the two gel layers, the other gel layer is connected with the release layer, the two gel layers are communicated with each other, a metal sheet is arranged on the substrate layer, one end of the metal sheet is detachably connected with a connecting mechanism electrically connected with other devices, and the other end of the metal sheet is detachably connected with the release layer. The gel induction layer is composed of the base plate layer and the two gel layers, the two gel layers are communicated, the base plate layer is used for providing supporting force for the metal sheet, the metal sheet and the base plate layer are integrally formed, and when the metal sheet is subjected to external force, the connection firmness of the gel layers and the base plate layer can be effectively improved, and the probability that gel falls off from the skin is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of gel sensors, in particular to a gel sensor structure. Background Art

[0002] Gel sensor is a sensor based on gel material, which is used to detect and measure certain physical, chemical or biological parameters in the environment. Gel material is a material that reversibly absorbs and loses moisture. When the parameters in the environment change, the volume and conductivity of the gel will also change. Based on this principle, the gel sensor can indirectly measure certain parameters in the environment by measuring the changes in the volume and conductivity of the gel.

[0003] When the existing hydrogel flexible sensor is attached to human skin, it can spontaneously generate voltage signals based on the electrostatic induction effect during human movement. Based on the generated voltage signals, we can monitor human movement without an external power supply. However, the above gel sensor still has the following defects:

[0004] To solve the gel fixation problem, adhesive tape is used to bind and fix the gel and the connecting wire. The connecting wire will slip out when subjected to a large external force, causing the gel to fall off the skin. Therefore, we need to propose a gel sensor structure to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a gel sensor structure, which includes a gel sensing layer composed of a substrate layer and two gel layers, and the two gel layers are connected. The substrate layer is used to provide support for a metal sheet, so that the metal sheet and the substrate layer are integrally formed. When the metal sheet is subjected to external force, the connection firmness between the gel layer and the substrate layer can be effectively increased, and the probability of the gel falling off the skin can be reduced, so as to solve the problems raised in the background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a gel sensor structure, comprising a bottom plate layer and a gel sensing layer, wherein the gel sensing layer is fixed to one side of the bottom plate layer, and a release layer is detachably bonded to the side of the gel sensing layer away from the bottom plate layer;

[0007] The gel sensing layer includes a substrate layer and two gel layers, the substrate layer is located between the two gel layers, one of the gel layers is fixed to the bottom plate layer, the other of the gel layers is connected to the release layer, and the two gel layers are connected, a metal sheet is arranged on the substrate layer, and one end of the metal sheet is detachably connected to a connection mechanism electrically connected to other devices.

[0008] Preferably, the substrate layer comprises a substrate sheet, a circuit is etched on the substrate sheet, and the other end of the metal sheet is connected to the circuit.

[0009] Preferably, a plurality of through holes for connecting the two gel layers are provided on the substrate sheet, and the plurality of through holes are evenly distributed in the non-circuit area of ​​the substrate sheet.

[0010] Preferably, the connecting mechanism includes a fixing seat, one end of the metal sheet passes through one side of the fixing seat and extends to the inside of the fixing seat, one side of the fixing seat is provided with a socket for one end of the metal sheet to pass through, and an adjustable clamping assembly is installed inside the fixing seat.

[0011] Preferably, the clamping assembly includes a pressure plate and a hand-tightening bolt, the pressure plate is slidably connected to the inside of the fixing seat, the hand-tightening bolt is threadedly connected to the upper end of the fixing seat, and one end of the hand-tightening bolt passes through the upper end of the fixing seat and is rotatably connected to the pressure plate.

[0012] Preferably, protrusions are integrally formed on the side walls on opposite sides of the pressure plate, and a sliding groove for the protrusions to slide up and down is provided inside the fixing seat.

[0013] Preferably, a plurality of metal columns are fixed to the lower surface of the pressing plate, and a slot for inserting the metal columns is formed at one end of the metal sheet.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model comprises a gel sensing layer composed of a substrate layer and two gel layers, and the two gel layers are connected. The substrate layer is used to provide support for the metal sheet, so that the metal sheet and the substrate layer are integrally formed. When the metal sheet is subjected to external force, the connection firmness between the gel layer and the substrate layer can be effectively increased, and the probability of the gel falling off the skin can be reduced.

[0016] 2. The utility model provides a connection mechanism and a metal sheet, so that the metal sheet can be connected and fixed to an external device through the connection mechanism according to actual installation requirements, thereby improving the convenience of using the gel sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the gel induction layer of the utility model;

[0019] Figure 3 This is a schematic diagram of the substrate layer structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the exploded structure of the connecting mechanism of the utility model.

[0021] In the figure: 1, bottom plate layer; 2, gel sensing layer; 21, gel layer; 22, substrate layer; 221, substrate sheet; 222, circuit; 3, release layer; 4, metal sheet; 5, connecting mechanism; 501, fixing seat; 502, pressing plate; 503, protrusion; 504, metal column; 505, hand-tightening bolt; 506, slide groove; 6, through hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a gel sensor structure, comprising a bottom plate layer 1 and a gel sensing layer 2, wherein the gel sensing layer 2 is fixed on one side of the bottom plate layer 1, and a release layer 3 is detachably bonded on the side of the gel sensing layer 2 away from the bottom plate layer 1, and the release layer 3 protects the gel sensing layer 2, and the release layer 3 can be torn off when the gel sensing layer 2 is used, thereby improving the convenience of use;

[0024] The gel sensing layer 2 comprises a substrate layer 22 and two gel layers 21, wherein the substrate layer 22 is located between the two gel layers 21, wherein one of the gel layers 21 is fixed to the bottom plate layer 1, and the other of the gel layers 21 is connected to the release layer 3, and the two gel layers 21 are connected, a metal sheet 4 is arranged on the substrate layer 22, and one end of the metal sheet 4 is detachably connected to a connecting mechanism 5 electrically connected to other devices, the gel sensing layer 2 is composed of the substrate layer 22 and the two gel layers 21, and the two gel layers 21 are connected, and the substrate layer 22 is used to provide support force for the metal sheet 4, so that the metal sheet 4 and the substrate layer 22 are integrally formed, and when the metal sheet 4 is subjected to external force, the connection firmness between the gel layer 21 and the substrate layer 22 can be effectively increased, and the probability of the gel falling off the skin can be reduced.

[0025] As a preferred embodiment, the bottom plate layer 1 and the release layer 3 can be made of flexible materials, and the edge of the bottom plate layer 1 is connected to the connecting mechanism 5 by gluing, screwing, etc. (not shown) to achieve firm fixation.

[0026] As a preferred embodiment, the substrate layer 22 includes a substrate sheet 221, on which a circuit 222 is etched, and the other end of the metal sheet 4 is connected to the circuit 222, so that the substrate sheet 221 and the circuit 222 are integrally formed, thereby improving the supporting force of the substrate sheet 221 on the circuit 222, increasing the fixing area of ​​the metal sheet 4 and the gel layer 21, and reducing the probability of the metal sheet 4 falling off the gel layer 21.

[0027] As a preferred embodiment, a plurality of through holes 6 for connecting the two gel layers 21 are provided on the substrate sheet 221, and the plurality of through holes 6 are evenly distributed in the non-circuit area of ​​the substrate sheet 221, so as to facilitate the connection between the two gel layers 21. The substrate sheet 221 is wrapped and fixed by the two gel layers 21, thereby increasing the connection firmness between the gel layer 21 and the substrate layer.

[0028] As a preferred embodiment, the connecting mechanism 5 includes a fixing seat 501, one end of the metal sheet 4 passes through one side of the fixing seat 501 and extends to the inside of the fixing seat 501, one side of the fixing seat 501 is provided with a socket for one end of the metal sheet 4 to pass through, and an adjustable clamping assembly is installed inside the fixing seat 501, so that the metal sheet 4 can be connected and fixed to an external device through the connecting mechanism 5 according to actual installation requirements, thereby improving the convenience of connecting and using the gel sensor with an external device.

[0029] As a preferred embodiment, the clamping assembly includes a pressure plate 502 and a hand-tightening bolt 505. The pressure plate 502 is slidably connected to the inside of the fixing seat 501, and the hand-tightening bolt 505 is threadedly connected to the upper end of the fixing seat 501, and one end of the hand-tightening bolt 505 passes through the upper end of the fixing seat 501 and is rotatably connected to the pressure plate 502. The hand-tightening bolt 505 is manually rotated to make the hand-tightening bolt 505 drive the pressure plate 502 to move up and down in the fixing seat 501, and the connection terminals of other devices are pressed and contacted with the metal sheet 4 by using the side walls of the pressure plate and the fixing seat, thereby increasing the firmness and conductivity of the fixation between the connection terminals and the metal sheet 4.

[0030] As a preferred embodiment, the side walls on both sides of the pressure plate 502 are integrally formed with protrusions 503, and the interior of the fixed seat 501 is provided with a sliding groove 506 for the protrusion 503 to slide up and down. By limiting the sliding of the protrusion 503 in the sliding groove 506, when the hand-tightening bolt 505 is rotated, the pressure plate 502 moves horizontally upward or downward along the direction of the sliding groove 506.

[0031] As a preferred embodiment, a plurality of metal pillars 504 are fixed to the lower surface of the pressure plate 502, and a slot for inserting the metal pillar 504 is opened at one end of the metal sheet 4. When other devices are connected, the hand-tightened bolt 505 drives the pressure plate 502 to move downward, and the metal pillar 504 drives some of the connecting metal terminals of other devices into the slot. While the pressure plate 502 presses the connecting metal terminals of other devices and the metal sheet 4, it also increases the contact area between the outer wall of the metal pillar 504, the inner wall of the socket and the connecting metal terminal, thereby increasing the conductivity between the connecting metal terminal and the metal sheet 4.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gel sensor structure, comprising a base layer (1) and a gel sensing layer (2), characterized in that: The gel sensing layer (2) is fixed to one side of the bottom plate layer (1), and a release layer (3) is detachably bonded to the side of the gel sensing layer (2) away from the bottom plate layer (1); The gel sensing layer (2) comprises a substrate layer (22) and two gel layers (21), wherein the substrate layer (22) is located between the two gel layers (21), wherein one of the gel layers (21) is fixed to the bottom plate layer (1), and the other of the gel layers (21) is connected to the release layer (3), and the two gel layers (21) are connected to each other, and a metal sheet (4) is provided on the substrate layer (22), and one end of the metal sheet (4) is detachably connected to a connection mechanism (5) electrically connected to other devices.

2. A gel sensor structure according to claim 1, characterized in that: The substrate layer (22) comprises a substrate sheet (221), a circuit (222) is etched on the substrate sheet (221), and the other end of the metal sheet (4) is connected to the circuit (222).

3. A gel sensor structure according to claim 2, characterized in that: The substrate sheet (221) is provided with a plurality of through holes (6) for communicating the two gel layers (21), and the plurality of through holes (6) are evenly distributed in a non-circuit area of ​​the substrate sheet (221).

4. A gel sensor structure according to claim 1, characterized in that: The connecting mechanism (5) comprises a fixing seat (501), one end of the metal sheet (4) passes through one side of the fixing seat (501) and extends to the interior of the fixing seat (501), one side of the fixing seat (501) is provided with a plug hole for one end of the metal sheet (4) to pass through, and an adjustable clamping assembly is installed inside the fixing seat (501).

5. A gel sensor structure according to claim 4, characterized in that: The clamping assembly comprises a pressing plate (502) and a hand-tightening bolt (505); the pressing plate (502) is slidably connected to the interior of the fixing seat (501); the hand-tightening bolt (505) is threadedly connected to the upper end of the fixing seat (501); and one end of the hand-tightening bolt (505) passes through the upper end of the fixing seat (501) and is rotatably connected to the pressing plate (502).

6. A gel sensor structure according to claim 5, characterized in that: The side walls on opposite sides of the pressing plate (502) are integrally formed with protrusions (503), and a sliding groove (506) for the protrusions (503) to slide up and down is provided inside the fixing seat (501).

7. A gel sensor structure according to claim 6, characterized in that: A plurality of metal columns (504) are fixed to the lower surface of the pressing plate (502), and a slot for inserting the metal columns (504) is provided at one end of the metal sheet (4).