阅读说明：本技术 用于可穿戴设备的柔性电极、可穿戴设备 (Flexible electrode for wearable device and wearable device ) 是由 钟君 王丽荣 成贤锴 朱文亮 刘永峰 蔡黎明 周虹 于 2021-08-06 设计创作，主要内容包括：本发明提供用于可穿戴设备的柔性电极,包括：导电织物布,用以采集人体生物电信号；导电织物布与穿戴设备本体表面共同形成空腔；导电海绵,设置于空腔内；导线,一端伸入空腔,该端周侧粘接于导电海绵且其末端固接于导电织物布内表面；水凝胶层,用以粘接人体皮肤。本发明还提供一种可穿戴设备。通过导电海绵支撑导电织物布,保证电极组件与皮肤具有良好的接触性能及柔软性；导线经过导电海绵及导电织物布两次固定,提高导线固定牢固度,防止因导线与导电织物布断开连接而导致信号丢失；通过在导电织物布外表面设置水凝胶层,用以粘接皮肤,减少运动时电极组件与皮肤之间的滑动幅度,降低运动对电极组件采集电信号的干扰。(The present invention provides a flexible electrode for a wearable device, comprising: the conductive fabric cloth is used for collecting human body bioelectricity signals; the conductive fabric cloth and the surface of the wearable device body jointly form a cavity; the conductive sponge is arranged in the cavity; one end of the lead extends into the cavity, the periphery of the end is bonded to the conductive sponge, and the tail end of the lead is fixedly connected to the inner surface of the conductive fabric cloth; the hydrogel layer is used for bonding human skin. The invention further provides wearable equipment. The conductive fabric cloth is supported by the conductive sponge, so that the electrode assembly and the skin have good contact performance and flexibility; the conducting wires are fixed twice through the conducting sponge and the conducting fabric cloth, so that the fixing firmness of the conducting wires is improved, and the signal loss caused by the disconnection of the conducting wires and the conducting fabric cloth is prevented; the hydrogel layer is arranged on the outer surface of the conductive fabric cloth and used for bonding the skin, so that the sliding amplitude between the electrode assembly and the skin during movement is reduced, and the interference of the movement on the electric signal collected by the electrode assembly is reduced.)

1. A flexible electrode for a wearable device, comprising:

the conductive fabric cloth (21) is fixed on the surface of the garment (40) of the wearable device body and used for collecting human body bioelectricity signals; the conductive fabric cloth (21) and the surface of the garment (40) jointly form a cavity (22);

the conductive sponge (23) is arranged in the cavity (22) and supports the conductive fabric cloth (21) to form a buffer structure on the surface of the conductive fabric cloth;

one end of the lead (24) extends into the cavity (22), the periphery of the end is adhered to the conductive sponge (23), and the tail end of the lead is fixedly connected to the inner surface of the conductive fabric cloth (21);

and the hydrogel layer (25) is fixed on the outer surface of the conductive fabric cloth (21) and is used for bonding the skin of a human body.

2. The flexible electrode for a wearable device according to claim 1, characterized in that the number of conductive sponges (23) is at least two; the lead (24) is clamped at the bonding position of the two conductive sponges (23).

3. The flexible electrode for wearable devices according to claim 1, characterized in that the conductive sponge (23) is bent to form two adhesive faces; the lead (24) is clamped between the two bonding surfaces.

4. The flexible electrode for a wearable device according to claim 2 or 3, characterized in that the conductive sponge structure close to the conductive fabric cloth (21) is provided with a gap; the conducting wire (24) penetrates through the gap to be fixedly connected to the inner surface of the conductive fabric cloth (21).

5. The flexible electrode for wearable device according to claim 1, characterized in that the wire (24) ends are adhered to the inner surface of the conductive fabric cloth (21) by conductive paint;

or the tail end of the lead (24) is sewn on the inner surface of the conductive fabric cloth (21) through conductive yarn.

6. The flexible electrode for a wearable device according to claim 1, further comprising a TPU layer (26); the TPU layer (26) is of a frame structure, covers the surface assembly position of the conductive fabric cloth (21) and the garment (40), and is bonded under pressing, so that the conductive fabric cloth (21) is fixedly connected to the surface of the garment (40).

7. The flexible electrode for a wearable device according to claim 1, characterized in that the conductive wire (24) comprises a number of elastic wires (241), a number of conductive wires (242); a number of conductive wires (242) are woven within a number of elastic wires (241) to form the conductive wire (24).

8. The flexible electrode for wearable device as claimed in claim 7, wherein the plurality of conductive wires (242) are each curved and extend in a uniform direction.

9. The flexible electrode for a wearable device according to claim 1, characterized in that the hydrogel layer (25) is doped with conductive particles.

10. A wearable device comprising a garment (40), characterized in that the garment (40) is provided with flexible electrodes for a wearable device according to any of claims 1-9 for acquiring human body bioelectrical signals.

Technical Field

The invention relates to the technical field of flexible electronics, in particular to a flexible electrode for wearable equipment and the wearable equipment.

Background

With the development of economic society, people pay more and more attention to life and health, and the development in the field of medical treatment and health is prosperous. Physiological electrical signals for evaluating health level are important in medical diagnosis and are indispensable key means. Bioelectric signals including electrocardiogram, electroencephalogram, electrooculogram and electromyogram, which contain a large amount of physiological information, provide non-invasive, low-cost clinical physiological monitoring and medication for the ever-expanding global medical needs with the aid of modern bio-instrumentation technology.

The medical wet electrode is one of the commonly used technical means for acquiring bioelectricity signals, the acquired signals are good, but colloidal substances are easy to remain on the surface of skin, are difficult to remove and easily cause inflammation and pruritus for a long time. In wearable technical field, common electrodes also include flexible fabric electrodes, which have the advantages of flexibility and comfort, but the electrodes and the skin are easy to move in a dislocation manner, so that the impedance characteristics of the flexible fabric electrodes are unstable, and the electrodes are not suitable for bioelectricity signals collected in a motion state.

Disclosure of Invention

In order to achieve the above object, the present invention is achieved by the following technical solutions.

It is a first object of the present invention to provide a flexible electrode for a wearable device, comprising:

the conductive fabric cloth is fixed on the surface of the garment of the wearable device body and used for collecting human body bioelectricity signals; the conductive fabric cloth and the surface of the garment form a cavity together;

the conductive sponge is arranged in the cavity and used for supporting the conductive fabric cloth to form a buffer structure on the surface of the conductive fabric cloth;

one end of the lead extends into the cavity, the periphery of the end is bonded to the conductive sponge, and the tail end of the lead is fixedly connected to the inner surface of the conductive fabric cloth;

and the hydrogel layer is fixed on the outer surface of the conductive fabric cloth and is used for bonding human skin.

Preferably, the number of the conductive sponges is at least two; the conducting wire is clamped at the bonding position of the two conducting sponges.

Preferably, the conductive sponge is bent to form two bonding surfaces; the wire is clamped between the two bonding surfaces.

Preferably, a gap is arranged on the conductive sponge structure close to the conductive fabric cloth; the conducting wire penetrates through the gap to be fixedly connected to the inner surface of the conductive fabric cloth.

Preferably, the tail end of the lead is adhered to the inner surface of the conductive fabric cloth through conductive paint;

or the tail end of the lead is sewn on the inner surface of the conductive fabric cloth through conductive yarns.

Preferably, a TPU layer is also included; the TPU layer is of a frame structure and covers the assembly position of the conductive fabric cloth and the surface of the garment, and the TPU layer is bonded under pressing to enable the conductive fabric cloth to be fixedly connected to the surface of the garment.

Preferably, the conducting wire comprises a plurality of elastic wires and a plurality of conducting wires; a number of conductive wires are woven within a number of elastic wires to form the conductive wire.

Preferably, the plurality of conductive wires are all bent and extend in the same direction.

Preferably, the hydrogel layer is doped with conductive particles.

The second purpose of the invention is to provide a wearable device, which comprises a wearable device body, wherein the wearable device body is provided with the flexible electrode for the wearable device as described above so as to collect human body bioelectricity signals.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a flexible electrode for a wearable device, and an electrode assembly comprises conductive fabric cloth, conductive sponge, a lead and a hydrogel layer. The bioelectricity signals are collected through the conductive fabric cloth, so that the wearing comfort is improved due to the softness of the conductive fabric cloth; the conductive fabric cloth is supported by the conductive sponge, so that the electrode assembly and the skin have good contact performance and flexibility; the conducting wires are fixed twice through the conducting sponge and the conducting fabric cloth, so that the fixing firmness of the conducting wires is improved, and the signal loss caused by the disconnection of the conducting wires and the conducting fabric cloth is prevented; the hydrogel layer is arranged on the outer surface of the conductive fabric cloth and used for bonding the skin, so that the sliding amplitude between the electrode assembly and the skin during movement is reduced, and the interference of the movement on the electric signal collected by the electrode assembly is reduced. The electrode assembly has good flexibility, elasticity, bending resistance, washing resistance and long service life.

In a preferred scheme, the number of the conductive sponges is two, the conducting wire clamp is arranged at the bonding position of the two conductive sponges, the assembly is convenient, and the conducting wire is fixed and stable.

In a preferred scheme, the conductive sponge is bent to form two bonding surfaces, and the lead is clamped between the two bonding surfaces, so that the cost is saved and the process is simplified while the lead is stably fixed.

In a preferred scheme, the lead comprises a plurality of elastic wires and a plurality of conductive wires, wherein the conductive wires are woven on the elastic wires in a bent shape and in the same extending direction, so that the lead has good flexibility, the lead is suitable for being dragged in the deformation process of the garment, and the variation amplitude of the resistance value of the lead during dragging is reduced.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a sectional view of an electrode assembly assembled to a garment according to an embodiment of the present invention;

FIG. 2 is a side view of an unassembled electrode assembly and garment according to one embodiment of the present invention;

FIG. 3 is a schematic perspective view of an electrode assembly and a garment of an embodiment of the present invention shown unassembled;

FIG. 4 is a schematic perspective view of the TPU layer of the present invention;

FIG. 5 is a top view of an electrode assembly in a garment according to yet another embodiment of the present invention;

fig. 6 is a structural front view of the lead of the present invention;

FIG. 7 is a pictorial view of a lead of the present invention;

FIG. 8 is a structural cross-sectional view of a conductive wire of the present invention;

fig. 9 is a structural sectional view of a conductive yarn of the present invention;

FIG. 10 is a front view of the body of the wearable device of the present invention;

FIG. 11 is a schematic diagram of a connection relationship between a signal acquisition device and a signal processing device according to the present invention;

fig. 12 is a comparison graph of heart rate measurement of the Biopack apparatus and the apparatus body worn by the person 1 in the walking state;

fig. 13 is a comparison graph of heart rate measurement of the Biopack apparatus worn by the person 1 of the present invention in running state.

In the figure:

100. a wearable device body;

10. a signal processing device;

20. an electrode assembly; 21. a conductive fabric cloth; 211. rubbing the texture structure; 22. a cavity; 23. a conductive sponge; 24. a wire; 241. an elastic thread; 242. a conductive wire; 2421. a conductive filament; 24211. fiber yarn; 24212. a metal conductive layer; 2422. a first insulating layer; 2423. a signal shielding layer; 2424. a second insulating layer; 25. a hydrogel layer; 26. a TPU layer; 27. conductive paint;

40. a wearable device body;

50. a temperature sensor;

60. a respiration sensor.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Example 1

The present invention provides a flexible electrode for a wearable device, as shown in fig. 1 to 3, comprising an electrode assembly 20, the electrode assembly 20 comprising:

the conductive fabric cloth 21 is fixed on the surface of the garment 40 of the wearable device body 100 and used for collecting human body bioelectricity signals; the conductive fabric cloth 21 and the garment surface 40 form a cavity 22 together;

the conductive sponge 23 is arranged in the cavity 22 and supports the conductive fabric cloth 21 to form a buffer structure on the surface of the conductive fabric cloth;

a lead 24, one end of which extends into the cavity 22, the periphery of which is adhered to the conductive sponge 23, and the tail end of which is fixedly connected to the inner surface of the conductive fabric cloth 21;

and the hydrogel layer 25 is fixed on the outer surface of the conductive fabric cloth 21 and is used for bonding the skin of a human body.

Specifically, the conductive fabric cloth 21 is a fabric structure with good electrical properties formed by post-processing a fabric serving as a base material, can be used for collecting physiological electrical signals such as electrocardiosignals of a human body, has good flexibility, and improves the comfort of the human body when the human body wears the conductive fabric cloth.

The conductive sponge 23 has buffering and supporting properties, and supports the conductive fabric cloth 21 so that the conductive fabric cloth 21 is close to the skin of the human body, so that the electrode assembly 20 forms positive pressure on the surface of the human body, and the electrode assembly 20 and the skin of the human body have good contact performance so as to facilitate the acquisition of electric signals; the conductive sponge 23 improves the flexibility of the electrode assembly 20, thereby improving the comfort of a human body contacting the electrode assembly 20; the conductivity of the conductive sponge 23 enables the conductive fabric cloth 21, the conductive sponge 23 and the conducting wires 24 to form good conductive performance, so that the human body bioelectricity signals collected by the conductive fabric cloth 21 can be stably transmitted to the signal processing device through the conducting wires 24 for processing into data which can be obtained by a user.

The fixed bonding of the face that bonds including electrically conductive sponge 23 of wire 24 and electrically conductive fabric cloth 21 is fixed, fixed firmness through twice fixed mode has improved wire 24, when user's large-amplitude movement leads to wire 24 and electrically conductive fabric cloth 21 to be connected and disconnected, electrode assembly 20's normal use can also be guaranteed with electrically conductive sponge 23's fixed, electrically conductive fabric cloth 21 and electrically conductive sponge 23 contact in order to realize both electric connection, and then transmit to signal processing apparatus behind the human biological electricity signal transmission to wire 24 through electrically conductive sponge 23 with electrically conductive fabric cloth 21 collection, prevent that data from losing because of unexpected condition signal.

The hydrogel layer 25 has adhesiveness, so that the contact between the electrode assembly 20 and the skin can be increased, the sliding amplitude between the electrode assembly 20 and the skin during movement can be effectively reduced, and the interference of the movement on the electric signal acquisition can be further reduced. In addition, the hydrogel layer 25 has flexibility, and the comfort of the human body contacting the hydrogel layer 25 is good, reducing the feeling of foreign matter given to the user by the collected signal, and preventing the electrode assembly 20 from being disposed to scratch the skin. The hydrogel layer 25 is water-fast and easy to clean, and its surface can be cleaned by wiping with clear water to recover its viscosity, and its viscosity can be retained for a long time.

The garment 40 needs to be repeatedly cleaned, the electrode assembly 20 can be repeatedly washed by water for multiple times, the stability of the performance of signal acquisition is ensured, and the hydrogel layer 25 still keeps good adhesion after being washed by water for multiple times, is not easy to fall off and can be tightly attached to the skin of a human body. After the electrode assembly 20 is assembled on the surface of the garment 40, the electrode assembly can be directly used, and the collected signals are stable; need not to smear couplant on human surface and reduce contact resistance, avoid the use of couplant to arouse signal noise, there is volatilization in the use of couplant in addition, and lead to signal quality to worsen gradually.

In one embodiment, the number of the conductive sponges 23 is at least two; the lead 24 is clamped at the bonding position of the two conductive sponges 23. Specifically, one surface of the conductive sponge 23 has an adhesive surface, and the adhesive surfaces of the two conductive sponges 23 are arranged oppositely for adhesion. The bonding surfaces of the two conductive sponges 23 are bonded and clamp the wires 24, namely, the bonding surfaces are bonded and simultaneously fix the wires 24. The assembly is convenient and the lead 24 is fixed firmly. Further, as shown in fig. 1 and 2, the number of the conductive sponge 23 is two to facilitate a miniaturized design of the electrode assembly 20.

In another embodiment, the conductive sponge 23 is bent to form two bonding surfaces (not shown); the lead 24 is sandwiched between two bonding surfaces. The lead 24 is fixed stably, and simultaneously, the process of aligning and bonding the two pieces of conductive sponge 23 is reduced, and the cost is saved. Specifically, two sides of a piece of conductive sponge 23 are bent toward the bonding surface to form two opposite bonding surfaces, and the wires 24 are fixed when the two bonding surfaces are bonded.

Further, a gap (not shown in the figure) is arranged on the conductive sponge structure close to the conductive fabric cloth 21; the conducting wire 24 passes through the gap to be fixedly connected with the inner surface of the conductive fabric cloth 21. When the conducting wire 24 is fixed by the two pieces of conducting sponge 23, a gap is formed in one piece of conducting sponge close to the conducting fabric cloth 21, so that the conducting wire 24 can reach the inner surface of the conducting fabric cloth 21 after passing through the gap for fixing. When the lead 24 is clamped between the two bonding surfaces of the bent conductive sponge, the conductive sponge structure close to the conductive fabric cloth 21 is provided with a gap for threading. The arrangement of the notch is convenient for threading, and leads 24 to be fixed more stably.

In one embodiment, the ends of the wires 24 are adhered to the inner surface of the conductive fabric cloth 21 by conductive paint;

or, the ends of the conductive wires 24 are sewn on the inner surface of the conductive fabric cloth 21 through conductive yarns. Specifically, when the end of the wire 24 is adhered to the inner surface of the conductive fabric cloth 21 by the conductive paint 27, the conductive sponge 23 is placed on the surface of the garment 40, the conductive paint 27 is coated on the outer surface of the conductive sponge 23 facing the conductive fabric cloth 21 or the inner surface of the conductive fabric cloth 21, the end of the wire 24 is placed in the conductive paint 27, the conductive fabric cloth 21 is pressed on the conductive sponge 23, and the conductive paint 27 is cured at room temperature to adhere the end of the wire 24 to the inner surface of the conductive fabric cloth 21, which is simple and convenient to operate, wherein the conductive paint 27 includes, but is not limited to, conductive silver paint. When the tail end of the conducting wire 24 is sewn on the inner surface of the conducting fabric cloth 21 through the conducting yarn, the working hours are shortened through the sewing of the conducting yarn, wherein the conducting yarn comprises but is not limited to conducting silver fiber yarn, has conductivity, and is convenient for the conducting wire 24 to be electrically connected with the conducting fabric cloth 21, so that a bioelectrical signal can be rapidly and stably conducted between the conducting fabric cloth 21 and the conducting wire 23, and the phenomenon that the conducting fabric cloth 21 and the conducting wire 23 are not in good contact with each other due to movement to cause larger interference is avoided.

In one embodiment, as shown in fig. 1-4, further includes a TPU layer 26; the TPU layer 26 is a frame structure, covers the surface assembly of the conductive fabric cloth 21 and the garment 40, and is bonded under pressing, so that the conductive fabric cloth 21 is fixedly connected to the surface of the garment 40. Specifically, the TPU layer 26 is a film structure with hollow areas to form a frame structure. The raised part of the conductive fabric cloth 21 supported by the conductive sponge 23 penetrates out of the hollow area of the TPU layer 26, the thin film layer part of the TPU layer 26 is pressed at the surface assembly part of the conductive fabric cloth 21 and the garment 40, the TPU layer 26 is slightly melted at high temperature and then cooled and solidified through pressing and ironing by a pressing machine, and the conductive fabric cloth 21 is fixed on the surface of the garment 40 by utilizing the bonding performance of the TPU layer 26. At this time, the periphery of the conductive fabric cloth 21 is fixed by the TPU layer 26, and the protruding portion of the conductive fabric cloth 21 applies an acting force to the conductive sponge 23 in the direction of the garment 40, so that the conductive sponge 23 is stably located in the cavity 22 and does not shake randomly, thereby ensuring the stability of signal acquisition of the electrode assembly 20.

In one embodiment, as shown in fig. 6 and 7, the conductive wires 24 include a plurality of elastic wires 241 and a plurality of conductive wires 242; a number of conductive wires 242 are woven within a number of elastic wires 241 to form the conductive wires 24. Specifically, yarns made of nylon materials are subjected to silver plating and antioxidant treatment to obtain raw material wires of the conductive wire 242, a plurality of raw material wires are twisted to form the conductive wire 242, and the prepared conductive wire 242 has flexibility and bending resistance and is suitable for flexible wearable equipment.

Further, the conductive lines 242 are all curved and extend in the same direction. The conductive wires 242 are bent to improve the elasticity of the conductive wires 242, so that the manufactured conductive wires 24 have good flexibility to reduce the influence of the pulling on the resistance value of the conductive wires 24 on the garment 40, and the garment is suitable for flexible wearable equipment. Further, the conductive wires 242 extend in a wave shape, and the conductive wires 242 woven in the elastic wires 241 are in a symmetrical structure in an unstretched state, so as to be uniformly distributed in the conductive wires 242, thereby ensuring uniformity of resistance values of each part of the manufactured conductive wire 24.

In an embodiment, as shown in fig. 8 and 9, the conductive wire 242 sequentially includes, from inside to outside, a flexible conductive core, a first insulating layer 2422, a signal shielding layer 2423, and a second insulating layer 2424, where the flexible conductive core is formed by twisting and winding a plurality of conductive wires 2421; the conductive wire 2421 includes a fiber wire 24211 and a metal conductive layer 24212 coated on the outer surface of the fiber wire 24211. Specifically, the fiber yarns 24211 have good flexibility, so that the conductive yarns 2421 are endowed with flexibility; the flexible conductive core is formed by twisting and winding a plurality of conductive wires 2421 with good flexibility, and the formed flexible conductive core has both good flexibility and good electrical property and is used for transmitting electrical signals. The first insulating layer 2422, the signal shielding layer 2423 and the second insulating layer 2424 are sequentially coated outside the flexible conductive core, and the signal shielding layer 2423 is used for shielding interference of an external magnetic field on signal transmission of the flexible conductive core. The first insulating layer 2422 is used to separate the flexible conductive core from the signal shielding layer 2423, so as to prevent the flexible conductive core from contacting the signal shielding layer 2423 and causing short circuit. The second insulating layer 2424 is used to separate the signal shielding layer 2423 from the outside so as to prevent the signal shielding layer 2423 from being directly contacted with other electronic components or electrical appliances to generate electrical transmission when the conductive wire 242 is contacted with other electronic components or electrical appliances, thereby affecting the normal operation of the conductive wire 242 and other electronic components or electrical appliances. That is, the conductive wire 242 has good conductivity and flexibility by passing through the flexible conductive core, the first insulating layer 2422, the signal shielding layer 2423 and the second insulating layer 2424 which are sequentially arranged from inside to outside, and shields an external magnetic field to ensure signal transmission stability.

In one embodiment, the first insulation layer 2422 and/or the second insulation layer 2424 is selected from at least one of a silicone rubber layer, a polyurethane layer, a polyamide layer, a polyethylene layer, and a polyimide layer. Specifically, silicone rubber has excellent electrical insulation properties, corona resistance, arc resistance, and water resistance; the polyurethane has insulating and heat-insulating properties and waterproof properties; the polyamide has excellent electrical insulation performance, weather resistance, waterproofness and mechanical properties; the polyethylene has good electrical insulation performance and waterproofness; polyimide has excellent electrical insulation performance and good water resistance. The first insulating layer 2422 is formed on the outer layer of the flexible conductive core by any material, so that the contact between external water vapor and the flexible conductive core is isolated while the insulating effect is achieved, and the fiber body 31 can be repeatedly washed by water. Any material is adopted to form the second insulating layer 2424 on the outer layer of the signal shielding layer 2423, so that the contact between external water vapor and the signal shielding layer 2423 is isolated while the insulating effect is achieved, and the normal use of the signal shielding layer 2423 is ensured. In addition, the second insulating layer 2424 also plays a role in protection and buffering.

Further, the thickness of the first insulating layer 2422 and/or the second insulating layer 2424 is 200 μm to 300 μm, so that the thickness of the fiber body 31 is reduced while the insulating property of the first insulating layer 2422 and/or the second insulating layer 2424 is ensured, the miniaturization design of the fiber body 31 is facilitated, and further, the foreign body sensation brought by the wire 30 to a user is reduced while the wire 30 made of the fiber body 31 is routed in the wearable device body 100 for electrical connection.

In one embodiment, the signal shielding layer 2423 is a silver plating layer with a thickness of 3 μm to 5 μm. The silver coating is easy to process and control in thickness, and can be formed by chemical plating.

In one embodiment, the fiber filaments 24211 comprise aramid or PBO fibers having a diameter of 10 μm to 50 μm; the flexible conductive core comprises 100 pieces and 300 pieces of the conductive wires 311. Specifically, the aramid fiber has the characteristics of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and ageing resistance; the PBO fiber has high strength, heat resistance and flame retardancy, and has good mechanical properties and chemical properties. The aramid fiber or PBO fiber can ensure long service life under repeated wearing or repeated washing.

In one embodiment, the metal conductive layer 24212 is a silver plating layer with a thickness of 0.1 μm to 2 μm. The silver coating is easy to process and control in thickness, and can be formed by chemical plating. The thickness of the metal conducting layer 24212 is 0.1-2 μm, and the prepared conductive wire 311 has good conductivity; by controlling the thickness of the metal conducting layer 24212, on one hand, the situation that the formed flexible conducting core has high impedance and subsequently acquired signals are weakened due to the fact that the conducting wire 311 is too thin is avoided; on the other hand, the conductive wires 311 are prevented from being too thick, so that the diameter of the flexible conductive core formed by twisting and winding the conductive wires 311 is large, and a large parasitic capacitance is generated during subsequent wiring to cause signal attenuation.

In one embodiment, the hydrogel layer 25 is a pure hydrogel substance, and has adhesive properties. In yet another embodiment, the hydrogel layer 25 is doped with conductive particles to enhance the conductivity of the hydrogel layer 25. The conductive particles include but are not limited to silver powder and carbon nanotube powder, and the conductive particles are powdery, so that the conductive particles are convenient to mix, the surface friction of the hydrogel layer 25 is reduced, and the contact comfort of a human body is improved.

In one embodiment, as shown in fig. 5, the outer surface of the conductive fabric cloth 21 is provided with a friction texture 211 for increasing the friction between the outer surface of the conductive fabric cloth 21 and the hydrogel layer 25, so as to improve the adhesion firmness of the hydrogel layer 25 on the outer surface of the conductive fabric cloth 21.

Example 2

The invention provides wearable equipment, as shown in fig. 1 to 11, which comprises a wearable equipment body 100, wherein the wearable equipment body 100 comprises a garment 40 and the flexible electrode for the wearable equipment, which is arranged on the garment 40, so as to collect human body bioelectricity signals.

Specifically, as shown in fig. 10 and 11, the garment 40 includes:

the signal acquisition device is used for acquiring human body bioelectricity signals;

and the signal processing device 10 is used for processing the human body bioelectricity signals acquired by the signal acquisition device. A flexible cloth is arranged between the signal processing device 10 and the skin of the human body to avoid discomfort of the user caused by the direct contact of the signal processing device 10 with the skin of the human body.

In one embodiment, as shown in fig. 11, the signal collecting device includes five electrode assemblies 20 for detecting an electrocardiographic signal, a temperature sensor 50 for detecting a current body temperature, and a respiration sensor 60 for detecting a respiration strain, wherein the respiration sensor 60 is in a band shape and is disposed between two side fabrics; the five electrode assemblies 20 are used for collecting electrocardiosignals, and the two electrode assemblies 20 arranged close to the chest are also used for detecting the impedance of the chest; the remaining three electrode assemblies 20 are positioned adjacent to the left lower rib, right lower abdomen, and left lower abdomen, respectively, of the human body. The number of wires is nine, five of which are from five electrode assemblies 20; in order to ensure the wearing comfort of the garment 40, the nine wires have the same structure and are all made by weaving a plurality of conductive wires 242 in a plurality of elastic wires 241. The signal processing device 10 receives and processes the electrocardiosignals collected by the five electrode assemblies 20, the temperature electrical signals collected by the temperature sensor 50, the respiratory strain electrical signals collected by the respiratory sensor 60 and the thoracic impedance electrical signals collected by the two electrode assemblies 20 close to the chest, so as to realize the monitoring of three-lead electrocardio, one-lead respiration and one-lead temperature; wherein the thoracic impedance multiplexes two electrodes in the three lead electrodes.

The signal processing device further comprises a main control module, a storage module, a Bluetooth module, an AD module and a power module. When the signal processing device is electrically connected with the signal acquisition device of the garment 40 through a wire, the human body bioelectricity signals acquired by the signal acquisition device are transmitted to the AD module. Specifically, the AD module is electrically connected with the signal acquisition device through a wire and used for receiving human body bioelectricity signals acquired by the signal acquisition device, carrying out analog-to-digital conversion on the human body bioelectricity signals and converting the human body bioelectricity signals into digital signals. The main control module is electrically connected with the AD module, the storage module, the Bluetooth module and the power module respectively. The main control module is used for receiving the digital signals processed by the AD module and converting the digital signals into a data form required by a user through data analysis and operation. The storage module is used for storing data formed after the processing of the main control module. The Bluetooth module is connected with the remote intelligent terminal device through a wireless signal and used for sending data processed by the main control module to the remote intelligent terminal device. The power module is used for supplying power to other modules.

Example 3

Prepare 10 healthy adult's personnel of group, adopt wearing equipment body 100, Biopack instrument respectively and monitor 30 groups of personnel's heart rate value under running and walking state simultaneously, wearing equipment body 100 monitoring is as the experimental group, and the Biopack instrument monitoring is as the contrast group.

Among them, the Biopack apparatus employs a medical wet electrode.

As shown in fig. 1, 10 and 11, the wearable device body 100 adopts five electrode assemblies 20 to collect electrocardiographic signals, each electrode assembly 20 includes a conductive fabric cloth 21, two conductive sponges 23, a lead 24 and a hydrogel layer 25, the conductive fabric cloth 21 is fixed on the inner surface of the garment 40 by pressing and ironing through a TPU layer 26, and the lead 24 is fixed twice through bonding of the two conductive sponges 23 and conductive paint.

The test condition is that the running speed is 5m/s-7 m/s; the walking speed is 1.5m/s-2 m/s; the heart rate value is monitored every 25 seconds, and the change condition of the heart rate value obtained by the two monitoring devices at the time points of 24 times is continuously obtained. The running heart rate monitoring condition is that the heart rate value change condition starts to be monitored after running for 5 minutes.

It should be understood that, in actual monitoring, in order to monitor the change of the bioelectric signal of the user at any time, the wearable device body 100 has a short monitoring interval, such as monitoring the bioelectric signal every 5 seconds. In this experiment, in order to monitor the heart rate variation state in a long period of time, the heart rate value is set to be monitored every 25 seconds.

The heart rate values obtained by simultaneously monitoring the front 5 groups of people and the back 5 groups of people in the walking state by adopting the wearable device body 100 and the Biopack instrument are shown in a first table and a second table respectively.

Watch 1

Watch two

The heart rate values obtained by simultaneously monitoring the front 5 groups of people and the back 5 groups of people in running states by the wearable device body 100 and the Biopack instrument are respectively shown in the third table and the fourth table.

Watch III

Watch four

As can be seen from the table i, the table ii, the table iii and the table iv, the heart rate value in the running and walking state monitored by the wearable device body 100 is similar to the heart rate value in the running and walking state monitored by the Biopack apparatus, and the heart rate change trend is similar, which indicates that the wearable device body 100 adopts the conductive fabric cloth 21 to collect the electrocardiographic signals, and the structural design of the electrode assembly 20 is matched, so that the performance of the electrode assembly 20 to collect the electrocardiographic signals is good, and the wearable device can be repeatedly washed and is suitable for being worn in any exercise state. Fig. 12 and 13 are heart rate value comparison diagrams of the person 1 in two exercise states, and the heart rate change trends in the two exercise states monitored by the wearable device body 100 are similar. It should be understood that the abscissa of fig. 12 and 13 represents the current recording times in sequence from the initial monitoring to the end of monitoring, for example, the abscissa is the number 1, which represents the first time, corresponding to the initial monitoring time point; the abscissa is the number 2, which represents the second monitoring data, with a second 25 seconds interval from the first; the abscissa is the number 3, which indicates the third time, and the third time and the second time are separated by 25 seconds, and so on, and will not be described herein again.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.