WO2018166180A1

WO2018166180A1 - Sensor assembly, manufacturing method therefor, and item of smart clothing

Info

Publication number: WO2018166180A1
Application number: PCT/CN2017/104464
Authority: WO
Inventors: 高向东; 任向东; 徐善铁; 曾一帆; 田刘璐
Original assignee: 博迪加科技(北京)有限公司
Priority date: 2017-03-13
Filing date: 2017-09-29
Publication date: 2018-09-20
Also published as: CN206576310U

Abstract

Provided are a sensor assembly (100), a manufacturing method therefor, and an item of smart clothing. The item of smart clothing comprises shell fabric (10); the shell fabric (10) is provided with an inner surface (10a) close to the surface of an organism; the inner surface (10a) is provided with a sensing region; a sensor assembly (100) is arranged on the inner surface (10a); and the sensor assembly (100) at least comprises a film layer structure (102) and an induction pattern (101), wherein the induction pattern (101) is located in the sensing region, and the film layer structure (102) is located on the inner surface (10a) and is electrically connected to the induction pattern (101) and a signal processing apparatus. This sensor assembly (100) does not require a shell fabric structure of an item of smart clothing to be changed, and has a simple fabrication process.

Description

Sensor assembly, method of manufacturing the same, and smart clothing

Cross-reference to related applications

This application claims the priority and other rights of the Chinese utility model patent application filed on March 13, 2017, with the application number of 201720241869.4, "sensor component and smart clothing for smart clothing", and the Chinese utility model patent is cited by reference. The entire contents of the application, including the specification, claims, drawings, etc., are incorporated herein.

Technical field

The invention relates to the field of smart wear, and in particular to a smart garment, a sensor assembly and a manufacturing method thereof.

Background technique

With the rapid advancement of technology and the improvement of people's living standards, people's awareness of exercise and fitness has also increased. Advances in technology have also contributed to the development of smart clothing. Current smart garments typically include a signal processing device located at a location of the garment and various sensors, such as heart rate sensors, myoelectric sensors, which are located at the detection site and are collected by wires to the signal processing device. The sensor records various data associated with the athlete's physical activity or health during exercise in various parts of the athlete and transmits the data to the signal processing device.

The above-mentioned sensors in the prior art generally have a conductive fabric disposed on the garment, and the conductive fabric is connected to the signal processing device through a wire embedded in the interior of the garment. The sensor changes the fabric structure of the garment, and is difficult to integrate with the garment, and the manufacturing process is complicated. .

Summary of the invention

In view of this, the embodiments of the present invention provide a sensor assembly and a smart garment that do not need to change the fabric structure and are simple in manufacturing process.

The sensor assembly provided by the embodiments of the present invention is disposed on a smart garment for transmitting an electrical signal to a signal processing device located on the smart garment, the smart garment comprising a fabric having a surface close to the living body An inner surface having a sensing area, the sensor component being disposed on the inner surface, wherein the sensor component includes at least a film layer structure and a sensing pattern, the sensing pattern being located in the sensing area The film layer structure is located on the inner surface and electrically connects the sensing pattern and the signal processing device.

In the sensor assembly provided by the embodiment of the present invention, the film layer structure includes a transport layer and a first insulating layer, the transport layer is located on the inner surface, and includes a first portion and a second portion, a first portion is located in the sensing area, one end of the second portion is connected to the first portion, and the other end is connected to the signal processing device, and the sensing pattern is located above the first portion and is coupled to the first portion Electrically connected, the first insulating layer covers the second portion.

In the sensor assembly provided by the embodiment of the present invention, the film layer structure further includes a second insulating layer, the second insulating layer is located on the inner surface, and the transport layer is located on the second insulating layer The projection of the second insulating layer on the inner surface covers the projection of the transport layer on the inner surface.

In the sensor assembly provided by the embodiment of the invention, the transport layer is wavy.

In the sensor assembly provided by the embodiment of the present invention, the second insulating layer is an elastic insulating film layer.

In the sensor assembly provided by the embodiment of the present invention, the second portion of the transmission layer has a trace width ranging from 2 to 7 mm.

In the sensor assembly provided by the embodiment of the present invention, the sensing pattern has a thickness ranging from 20 to 30 micrometers.

In the sensor assembly provided by the embodiment of the present invention, the sensing area of the inner surface includes one of a chest, a left arm, a right arm, a left leg, and a right leg region of the living body contacted by the inner surface Or multiple areas.

Embodiments of the present invention also provide a smart garment comprising a signal processing device located on the smart garment and a sensor assembly as described above for transmitting an electrical signal to the signal processing device.

In the smart garment sensor assembly provided by the embodiment of the present invention, since it has a film layer structure disposed on the inner surface of the smart garment and a sensing pattern disposed on the inner surface sensing region, relative to the prior art, The sensor assembly does not need to change the fabric structure of the smart garment, and the manufacturing process is simple.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments in which:

1 is a schematic diagram of an overall structure of a smart garment according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the sensor assembly 100 according to a preferred embodiment of the present invention;

Figure 3 is a schematic cross-sectional view of the sensor assembly 100 of Figure 2 taken along line A-A';

4 is a process flow diagram of manufacturing a sensor assembly in accordance with an embodiment of the present invention.

detailed description

The smart garment sensor assembly and the smart garment provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings and the written description.

As shown in FIG. 1 , it is a schematic diagram of an overall structure of a smart garment according to a preferred embodiment of the present invention. The smart garment includes a fabric, a sensor assembly, and a signal processing device located on the smart garment. The sensor assembly includes a sensing pattern and a film layer structure, the sensing pattern being coupled to the signal processing device by the film layer structure. The sensing pattern is used to sense electrical signals at a certain part of the living body, and the signal processing device collects the electrical signals and performs data processing on the electrical signals. The signal processing device integrates an interface module, a main processor module, a measurement module, a positioning module, a wireless communication module, and the like. That is, the sensing pattern is adapted to be disposed on the fabric for sensing an electrical signal of the living body, the film structure being adapted to be disposed on the fabric and electrically connecting the sensing pattern for The electrical signal is transmitted to the signal processing device.

2 and 3 are respectively a schematic structural view of the sensor assembly 100 according to a preferred embodiment of the present invention and a schematic cross-sectional view of the sensor assembly along A-A', wherein the sensor assembly is understood for convenience. 100 structure, FIG. 2 schematically shows the layers of the sensor assembly 100 Plane layout. In an embodiment of the invention, the fabric 10 has an inner surface 10a proximate to a surface of a living body, such as a human body, and the sensor assembly 100 is disposed on the inner surface 10a. The sensor assembly 100 includes a sensing pattern 101 and a film structure 102. The inner surface 10a has a sensing area, the sensing pattern 101 is located in the sensing area, and the film layer structure 102 is located on the inner surface and electrically connects the sensing pattern 101 and the signal processing device.

The sensing pattern 101 has a thickness ranging from 20 to 30 microns. It is disposed in the sensing area by printing or printing. The material from which the sensing pattern is formed may be a conductive substrate of a carbon substrate or a silver substrate. Of course, the invention is not limited thereto, and other conductive pastes may also be used to form the sensing pattern. The sensing region of the inner surface includes one or more of a chest, left arm, right arm, left leg, or right leg region of the living body to which the inner surface is in contact. When the sensor component is used to detect a user's heart rate, the sensing area may be one or more of a user's chest, left and right arms, and left and right leg regions; when the sensor component is used for sensing In the case of the myoelectric signal, the detection area may be one or more of the left and right arms and the left and right legs of the user.

The film structure 102 includes a transport layer 102a, a first insulating layer 102b, and a second insulating layer 102c. The second insulating layer 102c is located on the inner surface 10a, the transport layer 102a is located on the second insulating layer 102c, and the projection of the second insulating layer 102c on the inner surface 10a covers the transmission Projection of layer 102a on the inner surface 10a. Alternatively, the surface area of the second insulating film 102c is greater than or equal to the sum of the surface areas of the transport layer 102a and the sensing pattern 101. The transport layer 102a includes a first portion 102a ₁ and a second portion 102a ₂ . The first portion 102a ₁ is located in the sensing area 10aa, that is, in electrical contact with the sensing pattern, one end of the second portion 102a ₂ is connected to the first portion 102a ₁ , and the other end is connected to the signal processing device. . The sensing patterns 101 positioned over the first portion 102a and _{102a. _1.} ₁ and is electrically connected to a first part, alternatively, the sensing patterns 101 transport layer 102a covering the first portion 102a _1. The first insulating layer 102b covers a portion of the transport layer 102a, that is, the second portion 102a ₂ . Alternatively, the second portion 102a ₂ may also be covered by another insulating film.

The transmission layer 102a is disposed on the second insulating layer 102c by screen printing or printing by a conductive paste, which functions to transmit an electrical signal induced by the sensing pattern 101 to the signal processing device. That is, it is basically the same as the wire in the prior art. The material of the conductive paste may be a carbon substrate or a conductive paste of a silver substrate. The transport layer has a shape suitable for deformation of the transport layer shape. Preferably, the transport layer 102a is wavy, which shape facilitates deformation of the transport layer 102a. The second portion of the transport layer 102a has a trace width ranging from 2 to 7 mm.

The second insulating layer 102c is preferably an elastic insulating film layer, which is a substrate of the transport layer 102a (ie, conductive paste), and the material of the second insulating layer 102c may be a TPU film, a silica gel or the like. Insulation material. The second insulating layer 102c is preferably an elastic insulating film layer, so that the sensor assembly can be stretched as a whole, and after being heated, can be pressed on the fabric and combined with the fabric, and on the other hand, the conductive is also facilitated. Printing or printing of the paste. In other words, the second insulating layer 102c may be made of an insulating material suitable for making the sensor assembly 100 stretchable as a whole. Thus, with the smart garment of the sensor assembly of the embodiment of the present invention, the sensor assembly is adapted to the deformability of the body and is comfortable to wear, and the sensor assembly has good stretchability, is not easily damaged, improves reliability, and has good signal quality during exercise.

The material of the first insulating layer 102b may be the same as or different from the material of the second insulating layer 102c, which serves to protect the conductive paste from oxidation, and the conductive paste as a wire portion and the skin The role of insulation.

Alternatively, the second insulating layer may be omitted to form a sensing pattern and a transport layer directly on the fabric. In other words, the second insulating layer may be the fabric itself. That is, the sensing pattern and the film layer structure may be disposed on the fabric via the second insulating layer, and the second insulating layer is located between the sensing pattern and the fabric and on the transport layer and the fabric Between the two, the fabric may be directly disposed on the fabric without passing through the second insulating layer. In the case where the sensing pattern and the film structure are directly disposed on the fabric without passing through the second insulating layer, the transmission layer is adapted to be disposed on the fabric, and one end thereof is electrically connected to the sensing pattern, The other end is electrically connected to the signal processing device, and the first insulating layer covers at least a portion of the transport layer. Optionally, the transport layer is disposed on the fabric by conductive paste by printing or printing, and the sensing pattern may also be disposed on the fabric by a conductive paste by printing or printing and covering the fabric. Part of the transport layer. The conductive paste forming the transport layer may be the same as or different from the conductive paste forming the induction pattern.

As shown in FIG. 4, an embodiment of the present invention provides a method of manufacturing a sensor assembly, wherein the method may include:

401. Provide a second insulating layer suitable for being disposed on the fabric;

402, providing a transport layer on the second insulating layer;

403, providing a sensing pattern on the second insulating layer, the sensing pattern being disposed in electrical contact with a portion of the transmission layer (eg, a portion shown by 102a ₁ in FIG. 3);

404, a first insulating layer disposed on the transport layer, the transport layer is a portion (e.g., 102a ₂ portion shown in FIG. 3) of the first insulating layer.

Thereby, a film layer structure including a transfer layer, a first insulating layer, and a second insulating layer is formed, and the sensing pattern is electrically connected to the film layer structure.

Optionally, the transport layer may be disposed on the second insulating layer by conductive paste by printing or printing, for example, printing a conductive silver paste on a second insulating layer (for example, a TPU film) using a screen printing technique. on. Further, alternatively, the sensing pattern may be disposed on the second insulating layer by a conductive paste by printing or printing and covering a portion of the transport layer (for example, a portion shown by 102a ₁ in FIG. 3) , for example, using a screen printing technique in a printing conductive silver paste and a portion of the second insulating layer (e.g., TPU film) transport layer (e.g., 102a ₁ portion shown in FIG. 3), so that the sensing patterns The film structure is formed in another form integrally with the second insulating layer, the transport layer and the first insulating layer. The material of the conductive paste may be a conductive substrate of a carbon substrate or a silver substrate. Wherein the portion of the transport layer not covered by the sensing pattern may be covered by the first insulating layer. The surface area of the second insulating film may be greater than or equal to the sum of the surface areas of the transport layer and the sensing pattern. Alternatively, the projection of the second insulating film on the fabric may cover the projection of the transport layer on the fabric or may cover the projection of the transport layer and the sensing pattern on the fabric.

Alternatively, the transport layer has a shape suitable for deformation of the transport layer. For example, the transport layer is wavy.

Alternatively, the second insulating layer is made of an insulating material adapted to make the sensor assembly as a whole stretchable. For example, the second insulating layer is an elastic insulating film layer.

And, the material of the first insulating layer may be the same as or different from the material of the second insulating layer.

In another embodiment, the second insulating layer may be the fabric itself of the smart garment, that is, the sensing pattern and the transport layer are directly formed on the fabric. Thereby, a film layer structure including a transfer layer and a first insulating layer is formed, and the sensing pattern is electrically connected to the film layer structure.

Optionally, a trace width of a portion of the transport layer that is outside the sensing pattern is 2-7 mm. The thickness of the sensing pattern can range from 20-30 microns.

In the smart garment sensor assembly provided by each embodiment of the present invention, the conductive paste is printed by using a film layer structure disposed on the inner surface of the smart garment and a sensing pattern disposed on the inner surface sensing region. The sensor pattern and the film layer structure are formed on the smart clothing fabric or printed on the TPU film which is combined with the flattening of the fabric after heating. Therefore, the sensor component does not need to change the fabric structure of the smart garment, and the manufacturing process is simple.

The various embodiments of the present invention have been described in detail above, and various aspects or features of the technical solutions of the various embodiments of the present invention are described below in another form, and are not limited to the following series of paragraphs, for the sake of clarity. Assign letters, numbers, for example, P1, P2,... to some or all of these paragraphs. The content of each of these paragraphs can be combined with the content of any other paragraph in any suitable manner. Without limiting the examples of some of the suitable combinations, some of the paragraphs below specifically reference other paragraphs and further define other paragraphs.

P1. A sensor assembly, comprising: at least: a sensing pattern, the sensing pattern is adapted to be disposed on a fabric for sensing an electrical signal of a living body; and a film layer structure, wherein the film layer structure is adapted to be disposed in the The sensing pattern is electrically connected to the fabric for transmitting the electrical signal to the signal processing device.

The sensor assembly of paragraph P1, wherein the film layer structure comprises: a transport layer, the transport layer being adapted to be disposed on the fabric, one end of which is electrically connected to the sensing pattern, and the other end is The signal processing device is electrically connected; a first insulating layer, the first insulating layer covering at least a portion of the transport layer.

P3. The sensor assembly of paragraph P2, wherein a portion of the transmission layer that is electrically connected to the sensing pattern is covered by the sensing pattern.

P4. The sensor assembly of paragraph P3, wherein the transport layer is disposed on the fabric by conductive paste by printing or printing.

P5. The sensor assembly of paragraph P3, wherein the sensing pattern is disposed on the fabric by a conductive paste by printing or printing and covering a portion of the transport layer.

The sensor assembly of paragraph P2, wherein the sensor assembly further comprises a second insulating layer, the sensing pattern and the film layer structure being adapted to be disposed on the fabric via the second insulating layer And the second insulating layer is located between the sensing pattern and the fabric and is located in the transmission Between the layer and the fabric.

P7. The sensor assembly of paragraph P6, wherein the transport layer is disposed on the second insulating layer by conductive paste by printing or printing.

P8. The sensor assembly of paragraph P6, wherein the sensing pattern is disposed on the second insulating layer by a conductive paste by printing or printing and covering a portion of the transport layer.

P9. The sensor assembly of paragraph P5 or P8, wherein the portion of the transport layer that is not covered by the sensing pattern is covered by the first insulating layer, and of course may be covered by other insulating layers.

The sensor assembly of paragraph P6, wherein the second insulating film has a surface area greater than or equal to a sum of surface areas of the transport layer and the sensing pattern.

The sensor assembly of paragraph P6, wherein the projection of the second insulating film on the fabric covers a projection of the transport layer on the fabric or covers the transport layer and the sensing pattern Projection on the fabric.

P12. The sensor assembly of paragraph P2, wherein the transport layer has a shape suitable for deformation of the transport layer.

P13. The sensor assembly of paragraph P12, wherein the transport layer is wavy.

P14. The sensor assembly of paragraph P6, wherein the second insulating layer is made of an insulating material adapted to make the sensor assembly integrally stretchable.

The sensor assembly of paragraph P14, wherein the second insulating layer is an elastic insulating film layer.

The sensor assembly of paragraph P14, wherein the material of the first insulating layer and the material of the second insulating layer may be the same or different.

The sensor assembly of paragraph P4, P5, P7 or P8, wherein the material of the conductive paste is a conductive substrate of a carbon substrate or a silver substrate.

P18. The sensor assembly of paragraph P2, wherein a portion of the transmission layer that is outside the sensing pattern has a trace width ranging from about 2 to 7 millimeters.

P19. The sensor assembly of paragraph P2, wherein the sensing pattern has a thickness in the range of about 20-30 microns.

P20, a smart garment, which may include: a signal processing device located on the smart garment; The sensor assembly of any of paragraphs P1 to P19, wherein the sensing pattern of the sensor assembly is disposed on a sensing area of the fabric of the smart garment.

P21, the smart garment of paragraph P20, wherein the sensing area on the fabric may comprise one of the fabric and the chest, left arm, right arm, left leg and right leg area of the organism or The area corresponding to more than one.

P22. A method of manufacturing a sensor assembly, wherein the method may include: providing a second insulating layer; disposing a transport layer on the second insulating layer; and providing a sensing pattern on the second insulating layer, A sensing pattern is disposed in electrical contact with a portion of the transmission layer; a first insulating layer is disposed on the transmission layer, the first insulating layer covering a portion of the transmission layer.

The method of paragraph P22, wherein the transport layer is disposed on the second insulating layer by a conductive paste by printing or printing, for example, printing the conductive paste using a screen printing technique. On the second insulating film.

The method of paragraph P23, wherein the sensing pattern is disposed on the second insulating layer by printing or printing from a conductive paste and covering a portion of the transport layer, for example, using screen printing The technique prints the conductive paste on the second insulating film.

The method of paragraph P24, wherein the portion of the transport layer that is not covered by the sensing pattern may be covered by the first insulating layer, or may be covered with other insulating layers.

The method of paragraph P22, wherein the surface area of the second insulating film is greater than or equal to a sum of surface areas of the transport layer and the sensing pattern.

The method of paragraph P22, wherein the projection of the second insulating film on the fabric covers a projection of the transport layer on the fabric or covers the transport layer and the sensing pattern The projection on the fabric.

P28. The method of paragraph P22, wherein the transport layer has a shape suitable for deformation of the transport layer.

P29. The method of paragraph P28, wherein the transport layer is wavy.

P30. The method of paragraph P22, wherein the second insulating layer is made of an insulating material adapted to stretch the sensor assembly as a whole.

The method of paragraph P30, wherein the second insulating layer is an elastic insulating film layer.

The method of paragraph P30, wherein the material of the first insulating layer and the material of the second insulating layer may be the same or different.

The method of paragraph P22, wherein the second insulating layer is a fabric of a smart garment.

The method of paragraph P23 or P24, wherein the material of the conductive paste may be a conductive substrate of a carbon substrate or a silver substrate.

The method of paragraph P22, wherein the portion of the transport layer that is outside the sensing pattern has a trace width ranging from about 2 to 7 mm.

P36. The method of paragraph P22, wherein the sensing pattern has a thickness in the range of about 20-30 microns.

In the description of the present invention, it should be noted that the terms "connected" and "connected" are to be understood in a broad sense, and may be electrical communication within the two elements; they may be directly connected, It can be indirectly connected through an intermediate medium, and the specific meaning of the above terms can be understood by a person of ordinary skill in the art according to the specific situation. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly.

The above is a preferred embodiment of the sensor assembly, the method for manufacturing the same, and the smart clothing provided by the present invention, and is not to be construed as limiting the scope of the present invention. Those skilled in the art should understand that the present invention can be made without departing from the inventive concept. It is to be understood that various modifications and changes may be made without departing from the scope of the invention.

Claims

A sensor assembly comprising at least:

a sensing pattern adapted to be disposed on the fabric for sensing an electrical signal of the living body;

a film structure adapted to be disposed on the fabric and electrically connected to the sensing pattern for transmitting the electrical signal to a signal processing device.
The sensor assembly of claim 1 wherein said film layer structure comprises:

a transport layer, the transport layer being adapted to be disposed on the fabric, one end of which is electrically connected to the sensing pattern, and the other end of which is electrically connected to the signal processing device;

a first insulating layer, the first insulating layer covering at least a portion of the transport layer.
The sensor assembly of claim 2 wherein a portion of the transmission layer that is electrically connected to the sensing pattern is covered by the sensing pattern.
The sensor assembly of claim 3 wherein said transfer layer is disposed on said fabric by conductive paste by printing or printing.
The sensor assembly of claim 3 wherein said sensing pattern is disposed on said fabric by a conductive paste by printing or printing and covering a portion of said transport layer.
The sensor assembly of claim 2 wherein said sensor assembly further comprises a second insulating layer,

The sensing pattern and the film layer structure are adapted to be disposed on the fabric via the second insulating layer, and the second insulating layer is located between the sensing pattern and the fabric and at the transport layer Between the fabric and the fabric.
The sensor assembly of claim 6 wherein said transport layer is passed by a conductive paste A printing or printing method is provided on the second insulating layer.
The sensor assembly of claim 6, wherein the sensing pattern is disposed on the second insulating layer by a conductive paste by printing or printing and covers a portion of the transport layer.
The sensor assembly according to claim 5 or 8, wherein a portion of the transport layer not covered by the sensing pattern is covered by the first insulating layer.
The sensor assembly of claim 6, wherein a surface area of the second insulating film is greater than or equal to a sum of surface areas of the transport layer and the sensing pattern.
The sensor assembly of claim 6 wherein a projection of said second insulating film on said fabric covers a projection of said transport layer on said fabric or covers said transport layer and said sensing pattern The projection on the fabric.
The sensor assembly of claim 2 wherein said transport layer has a shape adapted to deform the transport layer.
The sensor assembly of claim 12 wherein said transport layer is wavy.
The sensor assembly of claim 6 wherein said second insulating layer is made of an insulating material adapted to cause said sensor assembly to be stretchable as a whole.
The sensor assembly of claim 14, wherein the second insulating layer is an elastic insulating film layer.
The sensor assembly of claim 14, wherein the material of the first insulating layer is the same as or different from the material of the second insulating layer.
The sensor assembly according to claim 4, 5, 7 or 8, wherein the material of the conductive paste is a conductive substrate of a carbon substrate or a silver substrate.
The sensor assembly of claim 2, wherein a portion of the transmission layer that is outside the sensing pattern has a trace width ranging from 2 to 7 mm.
The sensor assembly of claim 2 wherein said sensing pattern has a thickness in the range of 20-30 microns.
The sensor assembly of claim 4, 5, 7 or 8, wherein the electrically conductive paste is printed on the fabric or the second insulating layer by using a screen printing technique.
A smart garment comprising:

a signal processing device located on the smart garment;

A sensor assembly according to any one of claims 1 to 20, wherein the sensing pattern of the sensor assembly is disposed in a sensing area on the fabric of the smart garment.
The smart garment of claim 21 wherein the sensing area on the fabric comprises one or more of the fabric and the chest, left arm, right arm, left leg and right leg regions of the living being Corresponding area.
A method of manufacturing a sensor assembly, wherein the method comprises:

Providing a second insulating layer;

Providing a transport layer on the second insulating layer;

Providing a sensing pattern on the second insulating layer, the sensing pattern being disposed in electrical contact with a portion of the transmission layer;

Providing a first insulating layer on the transport layer, the first insulating layer covering a portion of the transport layer Minute.
The method of claim 23, wherein the transport layer is disposed on the second insulating layer by a conductive paste by printing or printing.
The method of claim 24, wherein the sensing pattern is disposed on the second insulating layer by a conductive paste by printing or printing and covers a portion of the transport layer.
The method of claim 225, wherein a portion of the transport layer that is not covered by the sensing pattern is covered by the first insulating layer.
The method according to claim 23, wherein a surface area of said second insulating film is greater than or equal to a sum of surface areas of said transport layer and said sensing pattern.
The method according to claim 23, wherein a projection of said second insulating film on said fabric covers a projection of said transport layer on said fabric or covers said transport layer and said sensing pattern in said Projection on the fabric.
The method of claim 23, wherein the transport layer has a shape suitable for deformation of the transport layer.
The method of claim 29 wherein said transport layer is wavy.
The method of claim 23 wherein said second insulating layer is made of an insulating material adapted to stretch said sensor assembly as a whole.
The method of claim 31, wherein the second insulating layer is an elastic insulating film layer.
The method of claim 31, wherein the material of the first insulating layer is the same as or different from the material of the second insulating layer.
The method of claim 23 wherein said second insulating layer is a fabric of a smart garment.
The method according to claim 24 or 25, wherein the material of the conductive paste is a conductive substrate of a carbon substrate or a silver substrate.
The method according to claim 23, wherein a portion of the transmission layer located outside the sensing pattern has a trace width ranging from 2 to 7 mm.
The method of claim 23 wherein said sensing pattern has a thickness in the range of 20-30 microns.
The method according to claim 24 or 25, wherein the conductive paste is printed on the second insulating film using a screen printing technique.