阅读说明：本技术 一种包覆型导电硅胶电极触角 (Coating type conductive silica gel electrode antenna ) 是由 朱向阳 孙瑜 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种包覆型导电硅胶电极触角,包括绝缘胶壳,所述绝缘胶壳设置为圆柱长条状,且较粗的一端直径为1.5mm,较细的一端直径为1mm；导电芯层,所述导电芯层设置在绝缘胶壳的内部；所述电极触角的制作方法包括以下几个步骤；第一步：进行导电芯层的制备；第二步：向模具内使用双色注射机进行绝缘胶壳和导电芯层的连接浇注；第三步：将浇注固化好的电极触角脱模。本发明的有益效果是：本发明,是由AB硅胶制备而成具有很好地柔性,在柔性触角随皮肤运动时,同时因为是柔性电极,因此可以穿透毛发,贴合皮肤,且由于只有芯层导电,外层硅胶作为接触阻隔层,可以有效减少毛发对于信号的干扰,可以减少信号噪音。(The invention discloses a coated conductive silica gel electrode antenna which comprises an insulating gel shell, wherein the insulating gel shell is arranged into a cylindrical long strip shape, the diameter of the thicker end of the insulating gel shell is 1.5mm, and the diameter of the thinner end of the insulating gel shell is 1 mm; the conductive core layer is arranged inside the insulating rubber shell; the manufacturing method of the electrode antenna comprises the following steps; the first step is as follows: preparing a conductive core layer; the second step is that: connecting and pouring the insulating rubber shell and the conductive core layer into the mold by using a double-color injection machine; the third step: and demolding the cast and cured electrode antenna. The invention has the beneficial effects that: the flexible antenna is prepared from AB silica gel, has good flexibility, can penetrate through hairs and attach to the skin because of the flexible electrodes when the flexible antenna moves along with the skin, and can effectively reduce the interference of the hairs on signals and reduce the noise of the signals because only the core layer is conductive and the outer silica gel is used as a contact barrier layer.)

1. A coated conductive silicone electrode antenna, comprising:

the insulating rubber shell (1) is in a cylindrical strip shape, the diameter of one end of the insulating rubber shell (1) is 1.5mm, and the diameter of the other end of the insulating rubber shell is 1 mm;

the conductive core layer (2), the conductive core layer (2) sets up in the inside of insulating rubber shell (1).

2. A manufacturing method of a coated conductive silica gel electrode antenna is characterized by comprising the following steps: the manufacturing method of the electrode antenna comprises the following steps;

the first step is as follows: preparing the conductive core layer (2);

the second step is that: connecting and pouring the insulating rubber shell (1) and the conductive core layer (2) into the mold by using a double-color injection machine;

the third step: and demolding the cast and cured electrode antenna.

3. The method for manufacturing the coated conductive silicone electrode antenna according to claim 2, wherein the method comprises the following steps: the conductive additive material and the components used for preparing the conductive core layer (2) are added according to the proportion of 3-20% of carbon nano tube, 5-20% of graphene, 30-60% of silver particles, 30-60% of silver-plated glass beads and 30-60% of gold particles.

4. The method for manufacturing the coated conductive silicone electrode antenna according to claim 2, wherein the method comprises the following steps: the preparation operation of the conductive core layer (2) comprises the following steps;

the first step is as follows: adding an additive material into the AB liquid silica gel stock solution in a mixing way;

the second step is that: pouring the mixed solution into a stirring kettle, and stirring the mixed solution by using a high-speed stirrer.

5. The method for manufacturing the coated conductive silicone electrode antenna according to claim 2, wherein the method comprises the following steps: the injecting step using a two-color injection machine comprises;

the first step is as follows: injecting the AB liquid silica gel mixed solution mixed with the conductive additive material into a conductive core layer (2) by using a double-color injection machine;

the second step is that: and (3) using a two-color injection machine to inject AB liquid silica gel into the insulating rubber shell (1).

6. The method for manufacturing the coated conductive silicone electrode antenna according to claim 2, wherein the method comprises the following steps: the injection molding diameter of the conductive core layer (2) is 0.75-1.125mm, and the injection molding length of the conductive core layer (2) is 20-50 mm.

Technical Field

The invention relates to a conductive silica gel electrode for a multicolor liquid silica gel injection process, in particular to a coated conductive silica gel electrode antenna, and belongs to the technical field of flexible electronics.

Background

At present, the field of flexible electronics has been widely applied, and particularly, flexible wearable devices are gradually popular recently, so that the application of flexible materials is further expanded. However, if the flexible electrode is applied to a person with a large number of hairs or a pet, the electrode cannot be perfectly contacted with the skin due to the blocking effect of the hairs. And thus the signal cannot be read or is very noisy. To better address this problem, we injected multicolored liquid silicone gel with electrode antennae having a conductive core layer.

Disclosure of Invention

The present invention is directed to a coated conductive silicone electrode antenna to solve the above problems.

The invention achieves the above purpose through the following technical scheme, a coated conductive silica gel electrode antenna, comprising:

the insulating rubber shell is arranged to be cylindrical and long-strip-shaped, the diameter of the thicker end of the insulating rubber shell is 1.5mm, and the diameter of the thinner end of the insulating rubber shell is 1 mm;

the conductive core layer is arranged inside the insulating rubber shell.

A manufacturing method of a coated conductive silica gel electrode antenna comprises the following steps;

the first step is as follows: preparing a conductive core layer;

the second step is that: connecting and pouring the insulating rubber shell and the conductive core layer into the mold by using a double-color injection machine;

the third step: and demolding the cast and cured electrode antenna.

Preferably, the conductive additive material and the components used for preparing the conductive core layer comprise 3-20% of carbon nano tubes, 5-20% of graphene, 30-60% of silver particles, 30-60% of silver-plated glass beads and 30-60% of gold particles.

Preferably, the preparation operation of the conductive core layer comprises the following steps;

the first step is as follows: adding an additive material into the AB liquid silica gel stock solution in a mixing way;

the second step is that: pouring the mixed solution into a stirring kettle, and stirring the mixed solution by using a high-speed stirrer.

Preferably, the injecting step using a two-color injection machine comprises;

the first step is as follows: injecting the AB liquid silica gel mixed solution mixed with the conductive additive material into a conductive core layer by using a double-color injection machine;

the second step is that: and (3) using a double-color injection machine to injection mold the AB liquid silica gel into the insulating rubber shell.

Preferably, the injection molding diameter of the conductive core layer is 0.75-1.125mm, and the injection molding length of the conductive core layer is 20-50 mm.

The invention has the beneficial effects that: the flexible antenna is prepared from AB silica gel, has good flexibility, is more comfortable to wear when the flexible antenna moves along with the skin, can penetrate through hairs and attach to the skin because of the flexible electrode, and can effectively reduce the interference of the hairs on signals and reduce the noise of the signals because only the core layer is conductive and the outer silica gel is used as a contact barrier layer.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a flow chart of the electrode antenna preparation of the present invention;

fig. 3 is an injection molding diagram of the electrode antenna of the present invention.

In the figure: 1. an insulating rubber shell; 2. a conductive core layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a coated conductive silicone electrode antenna includes an insulating rubber case 1, the insulating rubber case 1 is configured as a cylindrical strip, and the thicker end has a diameter of 1.5mm and the thinner end has a diameter of 1 mm;

the conductive core layer 2, the conductive core layer 2 sets up in the inside of insulating rubber shell 1.

After the whole electrode antenna is subjected to injection molding, the thicker part of the insulating rubber shell 1 is used as an electrode in contact with the skin, the conductive core layer 2 penetrating through the inside of the insulating rubber shell 1 is used as a conductive electrode of the whole electrode antenna, and the function of detecting signals by the conductive electrode can be realized by connecting the combination of a plurality of electrode antennas.

A manufacturing method of a coated conductive silica gel electrode antenna comprises the following steps;

the first step is as follows: preparing the conductive core layer 2;

in the step, a proper conductive material is selected and added into the AB silica gel solution, and the injection molding stock solution of the conductive core layer 2 is formed after the solution is mixed.

The second step is that: connecting and pouring the insulating rubber shell 1 and the conductive core layer 2 into the mold by using a double-color injection machine;

the step is to use a double-color injection machine to carry out multicolor high-temperature injection molding on the injection molding stock solution of the conductive core layer 2 and the injection molding stock solution of the insulating rubber shell 1, and the injection direction is from the thinner end to the thicker end of the insulating rubber shell 1.

The third step: demolding the cast and cured electrode antenna;

the step is to demold and take out the electrode antenna which is injection molded in the two-color injection molding machine, and cut the whole length of the electrode antenna according to the use requirement.

As a technical optimization scheme of the invention, the conductive additive material and the components used for preparing the conductive core layer 2 comprise 3-20% of carbon nano tubes, 5-20% of graphene, 30-60% of silver particles, 30-60% of silver-plated glass beads and 30-60% of gold particles;

all the above-mentioned conductive materials are preferable conductive additive materials, and the conductive additive may be added to either one or both of them at the time of preparing the solution of the conductive core layer 2, and the mixing is performed according to the above-mentioned weight ratio at the time of adding.

As a technical optimization scheme of the present invention, the preparation operation of the conductive core layer 2 includes the following steps;

the first step is as follows: adding an additive material into the AB liquid silica gel stock solution in a mixing way;

the specific gravity of A, B glue solution in AB liquid silica gel is 1:1, and AB liquid silica gel is used as a base liquid for preparing raw materials of the whole electrode antenna.

The second step is that: pouring the mixed solution into a stirring kettle, and stirring the mixed solution by using a high-speed stirrer;

pouring the mixed liquid added with the conductive material into a stirring kettle, and then stirring and mixing by using a high-speed stirrer, wherein the stirring time is one hour, and the stirring speed cannot be lower than 500 rpm.

As a technical optimization scheme of the invention, the injection step using the double-color injection machine comprises the following steps;

the first step is as follows: injecting the AB liquid silica gel mixed solution mixed with the conductive additive material into a conductive core layer 2 by using a double-color injection machine;

the second step is that: injecting AB liquid silica gel into the insulating rubber shell 1 by using a double-color injection machine;

and respectively injecting the prepared conductive solution and the AB liquid silica gel stock solution into a conductive core layer 2 and an insulating rubber shell 1 by using a double-color injection machine, wherein the conductive core layer 2 is completely filled in the insulating rubber shell 1.

As a technical optimization scheme of the invention, the injection molding diameter of the conductive core layer 2 is 0.75-1.125mm, and the injection molding length of the conductive core layer 2 is 20-50 mm;

the area of the conductive core layer 2 accounts for three-fourths of the area of the whole electrode antenna, and the whole electrode antenna has good flexibility because AB silica gel is used as a preparation base liquid in the preparation of the whole electrode antenna.

Example (b): manufacturing an electrode antenna by using a carbon nano tube as a conductive material;

5% carbon nanotubes were thoroughly mixed with AB liquid silica gel mixed at a ratio of 1:1, followed by stirring with a high-speed stirrer for 1 hour (wherein the stirring speed was more than 500 rpm). And then, the AB liquid silica gel mixed with the carbon nano tube is injected into a conductive core layer 2, finally, the AB liquid silica gel without the carbon nano tube is injected into an insulating rubber shell 1, the injection molding process is carried out by a double-color injection machine, the temperature of a hot runner is 180 ℃, the finished product of the injection molded electrode antenna is in a cylindrical long strip shape, and the length is cut according to actual use requirements.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.