TW201833525A - Capacitive pressure detection insole and operating method thereof - Google Patents

Abstract

A capacitive pressure detection insole and an operating method thereof are disclosed. The capacitive pressure detection insole includes a plurality of capacitive sensing nodes and an operating chip. When the capacitive pressure detection insole is pressed by a foot of a user, the capacitive pressure detection insole uses the plurality of capacitive sensing nodes to sense a plurality of capacitance variations corresponding to a plurality of detection positions of the foot respectively. The operating chip receives the plurality of capacitance variations from the plurality of capacitive sensing nodes and obtains a pressure distribution information corresponding to the plurality of detection positions of the foot to determine a sport physiological status information of the foot of the user.

Description

 Capacitor pressure detecting insole and its operation method  

The present invention relates to insoles, and more particularly to a capacitive pressure sensing insole and method of operation thereof.

As the technology continues to evolve, the insole set in the shoe not only provides the traditional mat function, but also provides different functions such as heightening and shock absorption through the different thickness and material design.

However, since the pressure points of the soles of each user are not the same, if many insoles currently produced on the market are placed in the shoes, the actual needs of each user cannot be met, resulting in many users wearing shoes. It is uncomfortable to walk or exercise, and it is impossible to make corresponding corrections for each user's foot problems, so that the user's foot problems cannot be improved or even worsened.

In view of this, the present invention provides a capacitive pressure sensing insole and a method of operating the same to effectively solve the above problems encountered in the prior art.

According to one embodiment of the invention, a capacitive pressure sensing insole is provided. In this embodiment, the capacitive pressure sensing insole includes a plurality of capacitive sensing nodes and an operational wafer. When the capacitive pressure detecting insole is subjected to a pressure applied by a user's foot, the capacitive pressure detecting insole respectively senses a plurality of capacitances corresponding to the plurality of detecting positions of the foot through the plurality of capacitive sensing nodes The amount of change. The computing chip is configured to receive the plurality of capacitance changes from the plurality of capacitive sensing nodes and obtain a pressure distribution information corresponding to the plurality of detecting positions of the foot according to the plurality of capacitance changes to determine the user A physiological condition information of the foot.

In one embodiment, the plurality of capacitive sensing nodes are located where the capacitive yarn and the conductive yarn are interdigitated, and the surface of the capacitive yarn forms two electrically chargeable coatings.

In one embodiment, when the capacitive pressure sensing insole is subjected to pressure applied by the user's foot, the capacitive yarn is crushed by pressure to cause charge dispersion, and the distance between the two chargeable coatings is constant. In this case, the capacitance changes due to the decrease in the charge density, so that the plurality of capacitive sensing nodes sense the plurality of capacitance changes.

In one embodiment, the condenser yarn and the conductive yarn are coated or interwoven with each other.

In one embodiment, the condenser yarn and the conductive yarn are disposed under a layer of a Thermoplastic Polyester Elastomer (TPEE) or between two thermoplastic polyester elastomer layers.

In one embodiment, the computing chip is a Bluetooth chip or an Internet of Thing (IoT) chip embedded in the capacitive pressure sensing insole.

In one embodiment, when the computing chip receives the plurality of capacitance changes, the computing chip filters and converts the plurality of capacitance changes to reduce the amount of data.

Another embodiment of the present invention is a method of operating a capacitive pressure sensing insole. In this embodiment, the capacitive pressure sensing insole operation method is used to operate a capacitive pressure detecting insole. The capacitive pressure sensing insole includes a plurality of capacitive sensing nodes and an operational wafer. The method for operating a capacitive pressure sensing insole includes the following steps: when the capacitive pressure detecting insole is subjected to a pressure applied by a user's foot, the plurality of capacitive sensing nodes respectively sense a plurality of detecting corresponding to the foot Measuring a plurality of capacitance changes of the position; and receiving, by the operation chip, the plurality of capacitance changes from the plurality of capacitance sensing nodes and obtaining one of the plurality of detection positions corresponding to the foot according to the plurality of capacitance changes The pressure distribution information is used to determine a physiological condition information of the user's foot.

Compared with the prior art, the capacitive pressure detecting insole and the operating method thereof according to the present invention can respectively apply different pressures to the sole of each user through a plurality of capacitive sensing nodes located at a position where the capacitive yarn and the conductive yarn are interdigitated with each other. The sensing is performed to obtain information about the physiological state of the foot of each user, and the customized orthopaedic insole is designed separately for each user's foot problem, thereby effectively improving the wear of the user. The comfort of the shoe can significantly improve the user's foot problems.

The advantages and spirit of the present invention will be further understood from the following detailed description of the invention.

1‧‧‧ shoes

2‧‧‧Capacitance pressure detection insole

N, N1~N3‧‧‧ Capacitance Sensing Node

TP‧‧‧ thermoplastic polyester elastomer layer

CH‧‧‧ arithmetic chip

FT‧‧‧Foot

P1~P3‧‧‧Detection location

NET‧‧‧ network

DB‧‧‧Cloud Database

MB‧‧‧ mobile communication device

L1‧‧‧capacitor yarn

L2‧‧‧ conductive yarn

S10~S18‧‧‧Steps

FIG. 1 is a schematic view showing the capacitive pressure detecting insole 2 of the present invention disposed in the shoe 1.

2 is a schematic diagram of the capacitive pressure sensing insole 2 of the present invention having a plurality of capacitive sensing nodes N.

3 is a diagram showing a plurality of capacitive sensing nodes N in the capacitive pressure detecting insole 2 of the present invention under the thermoplastic polyester elastomer (TPEE) layer TP and the operational chip CH is embedded in the capacitive pressure detecting insole 2 Schematic diagram.

4 is a diagram showing that when the capacitive pressure detecting insole 2 is subjected to the pressure applied by the user's foot FT, the computing chip CH receives the plurality of capacitive sensing nodes N1, N2, N3, ... respectively sensed to correspond to the foot. A plurality of capacitance changes of the detection positions P1, P2, P3, ... of the FT can be connected to the cloud database DB or the mobile communication device MB through the network NET.

FIG. 5 is a schematic view showing that the condenser yarn L1 and the conductive yarn L2 are covered or interlaced with each other.

6 is a flow chart showing the operation method of the capacitive pressure detecting insole of the present invention.

According to one embodiment of the invention, a capacitive pressure sensing insole is provided. As shown in FIG. 1, the capacitive pressure detecting insole 2 is disposed in the shoe 1. When the user puts on the shoe 1, the user's foot applies pressure to the capacitive pressure detecting insole 2. At this time, the capacitive pressure detecting insole 2 can sense the amount of capacitance change corresponding to different detecting positions of the foot through a plurality of capacitive sensing nodes N (as shown in FIG. 2), thereby obtaining the user's foot. Information on the physiological status of the exercise.

In addition, the present invention can further determine the respective foot problems of different users according to the sports physiological condition information of the feet of different users, so as to design each user-specific customized system according to the foot problems of different users. Correcting the insole can effectively improve the user's comfort when wearing shoes, and can significantly improve the user's foot problems to achieve corrective effects.

Please refer to FIG. 3 and FIG. 4 . FIG. 3 is a schematic diagram showing the pressure applied by the user's foot in the capacitive pressure detecting insole 2 of the present invention. FIG. 4 is a diagram showing the capacitive pressure detecting insole 2 of the present invention. A schematic representation of the pressure exerted by the user's foot FT.

As shown in FIGS. 3 and 4, the capacitive pressure sensing insole 2 may comprise a thermoplastic polyester elastomer (TPEE) layer TP, a plurality of capacitive sensing nodes N, and an operational wafer CH. The plurality of capacitive sensing nodes N are located below the thermoplastic polyester elastomer layer TP and the operational chip CH is embedded in the capacitive pressure detecting insole 2 .

In practical applications, as shown in FIG. 5, the condenser yarn L1 and the conductive yarn L2 are coated or interlaced with each other, and the condenser yarn L1 and the conductive yarn L2 may be disposed under the thermoplastic polyester elastomer layer TP, and The plurality of capacitive sensing nodes N are located at the intersection of the capacitive yarn L1 and the conductive yarn L2, but are not limited thereto. In fact, the condenser yarn L1 and the conductive yarn L2 may also be disposed between the two thermoplastic polyester elastomer layers TP.

It should be noted that the surface of the condenser yarn L1 forms two electrified coatings and forms a capacitor when there is a charge distribution between the two electrified coating layers. When the capacitive pressure sensing insole 2 has not been subjected to the pressure exerted by the user's foot FT, the charge distribution between the two charged coatings is denser, that is, the charge density is higher; when the capacitive pressure detecting insole 2 When the pressure applied by the foot FT of the user is applied, the capacitance yarn L1 is crushed by the pressure, so that the charge distribution between the two electrified coatings becomes more dispersed, in the two electrified coatings. When the distance between them is constant, the capacitance value changes due to the decrease of the charge density, and a plurality of capacitance sensing nodes N located at the intersection of the capacitance yarn L1 and the conductive yarn L2 respectively sense a plurality of The amount of capacitance change.

For example, as shown in FIG. 4, when the user's foot FT is stepped on the capacitive pressure detecting insole 2, a plurality of capacitive sensing nodes N1, N2, N3, ... of the insole 2 are detected due to the capacitive pressure. The positions respectively correspond to the plurality of detecting positions P1, P2, P3, ... of the foot FT. Therefore, the plurality of capacitive sensing nodes N1, N2, N3, ... of the capacitive pressure detecting insole 2 correspondingly sense correspondingly The plurality of capacitance changes of the plurality of detection positions P1, P2, P3, ... of the foot FT.

When a plurality of capacitance sensing nodes N1, N2, N3, ... respectively sense a plurality of capacitance changes corresponding to a plurality of detection positions P1, P2, P3, ... of the foot FT, the operation chip CH will be self-complex The capacitive sensing nodes N1, N2, N3, ... receive a plurality of capacitance changes and obtain a pressure distribution information corresponding to the plurality of detecting positions P1, P2, P3, ... of the foot FT according to the plurality of capacitance changes.

In practical applications, the operational chip CH can store the received data (ie, a plurality of capacitance changes corresponding to the plurality of detection positions P1, P2, P3, . . . of the foot FT, respectively); The CH may also perform an operation program such as screening and conversion on the received data to reduce the amount of data; in addition, the operation chip CH may also be based on a plurality of detection positions P1, P2, P3 corresponding to the foot FT of the user. The pressure distribution information analysis of ..., and the information on the physiological state of the user's foot is determined.

It should be noted that the operational chip CH used in the capacitive pressure detecting insole 2 of the present invention may be a Bluetooth chip or an Internet of Thing (IoT) chip, and may be embedded in the capacitive pressure detecting insole 2 . Any position, but not limited to this.

In practical applications, as shown in FIG. 4, the operational chip CH can also be connected to the network NET and can transmit the pressure distribution corresponding to the plurality of detection positions P1, P2, P3, ... of the foot FT through the network NET. Information such as information and/or sports physiology information of the user's foot FT is uploaded to the cloud database DB for reference for subsequent applications.

For example, the insole manufacturer can obtain the sports physiology information of the foot FT of the user A through the cloud database DB and judge the user's foot problem. Then, the insole manufacturer can customize the customized insole for the user A and set it in the shoe. When the user A wears a shoe with a customized correction insole and walks for a period of time, The user's foot problem should be significantly improved.

In addition, the user A can also operate an application (APP) of his mobile communication device (for example, a smart phone) to connect to the computing chip CH or the cloud database DB through the network NET, so as to grasp the user A itself at any time. Information on the physiological status of the foot FT.

Another embodiment of the present invention is a method of operating a capacitive pressure sensing insole. In this embodiment, the capacitive pressure sensing insole operation method is used to operate a capacitive pressure detecting insole. The capacitive pressure sensing insole includes a plurality of capacitive sensing nodes and an operational chip. A plurality of capacitive sensing nodes are located where the capacitive yarn and the conductive yarn are interdigitated, and the surface of the capacitive yarn forms two electrically chargeable coatings. The condenser yarn and the conductive yarn are coated or interlaced with each other under the thermoplastic polyester elastomer (TPEE) layer, or the capacitor yarn and the conductive yarn are coated or interwoven between the two thermoplastic polyester elastomer layers. To form a capacitive pressure sensing insole. The computing chip is a Bluetooth chip or an Internet of Things (IoT) chip embedded in a capacitive pressure sensing insole.

Please refer to FIG. 6. FIG. 6 is a flow chart showing the operation method of the capacitive pressure detecting insole of the present invention. As shown in Figure 6, the capacitive pressure sensing insole operation method can include the following steps:

Step S10: When the capacitance pressure detecting insole is subjected to the pressure applied by the user's foot, the capacitance yarn is crushed by the pressure to cause the electric charge to be dispersed, and the distance between the two charged coatings is constant. The capacitance changes due to the smaller charge density.

Step S12: The capacitive pressure detecting insole senses a plurality of capacitance changes corresponding to the plurality of detecting positions of the foot through the plurality of capacitive sensing nodes.

Step S14: The computing chip receives a plurality of capacitance changes from the plurality of capacitive sensing nodes and obtains pressure distribution information corresponding to the plurality of detecting positions of the foot according to the plurality of capacitance changes to determine the user's foot. Sports physiology information. In fact, the arithmetic wafer can also perform an operation program such as screening and conversion on the plurality of capacitance changes to reduce the amount of data.

Step S16: The computing chip can upload the motion physiological condition information of the user's foot to the cloud database through the network.

Step S18: The user can operate the mobile communication device to connect to the computing chip or the cloud database through the network to obtain the physiological state information of the user's foot.

Compared with the prior art, the capacitive pressure detecting insole and the operating method thereof according to the present invention can respectively apply different pressures to the sole of each user through a plurality of capacitive sensing nodes located at a position where the capacitive yarn and the conductive yarn are interdigitated with each other. The sensing is performed to obtain information about the physiological state of the foot of each user, and the customized orthopaedic insole is designed separately for each user's foot problem, thereby effectively improving the wear of the user. The comfort of the shoe can significantly improve the user's foot problems.

The features and spirits of the present invention are intended to be more apparent from the detailed description of the preferred embodiments. On the contrary, the intention is to cover various modifications and equivalents within the scope of the invention as claimed. The features and spirit of the present invention will be more apparent from the detailed description of the preferred embodiments. On the contrary, the intention is to cover various modifications and equivalents within the scope of the invention as claimed.

Claims (14)

 A capacitive pressure detecting insole includes: a plurality of capacitive sensing nodes, wherein the capacitive pressure detecting insole is sensed by the plurality of capacitive sensing when the insole is subjected to a pressure applied by a user's foot The node respectively senses a plurality of capacitance changes corresponding to the plurality of detection positions of the foot; and an operation chip for receiving the plurality of capacitance changes from the plurality of capacitance sensing nodes and according to the plurality of capacitances The amount of change obtains a pressure distribution information corresponding to the plurality of detection positions of the foot to determine a motion physiological condition information of the foot of the user.    The capacitive pressure detecting insole of claim 1, wherein the plurality of capacitive sensing nodes are located at a position where the capacitive yarn and the conductive yarn are interlaced with each other, and the surface of the capacitive yarn is formed with two Charged coating.    The capacitive pressure detecting insole of claim 2, wherein when the capacitive pressure detecting insole is subjected to the pressure applied by the user's foot, the capacitive yarn is crushed by the pressure The charge is dispersed, and the capacitance changes due to the smaller charge density when the distance between the two chargeable coatings is constant, so that the plurality of capacitance sensing nodes sense the plurality of capacitance changes.    The capacitor pressure detecting insole of claim 2, wherein the capacitor yarn and the conductive yarn are wrapped or interlaced with each other.    The capacitive pressure detecting insole of claim 4, wherein the conductive yarn and the conductive yarn are disposed under a layer of Thermoplastic Polyester Elastomer (TPEE) or disposed on two Between thermoplastic polyester elastomer layers.    The capacitive pressure detecting insole of claim 1, wherein the computing chip is a blue chip or an Internet of Thing (IoT) chip embedded in the capacitive pressure detecting insole.    The capacitive pressure detecting insole of claim 1, wherein when the computing chip receives the plurality of capacitance changes, the computing chip filters and converts the plurality of capacitance changes to reduce the amount of data. .    A capacitive pressure detecting insole operating method for operating a capacitive pressure detecting insole comprising a plurality of capacitive sensing nodes and an operational chip, the capacitive pressure detecting insole operating method comprising the following steps: When the capacitive pressure detecting insole is subjected to a pressure applied by a user's foot, the plurality of capacitive sensing nodes respectively sense a plurality of capacitance changes corresponding to the plurality of detecting positions of the foot; Receiving, by the computing chip, the plurality of capacitance change amounts from the plurality of capacitance sensing nodes, and obtaining a pressure distribution information corresponding to the plurality of detection positions of the foot according to the plurality of capacitance changes, to determine the A physiological condition information of the user's foot.    The method for operating a capacitive pressure detecting insole according to claim 8, wherein the plurality of capacitive sensing nodes are located at a position where the capacitive yarn and the conductive yarn are interdigitated, and the surface of the capacitive yarn forms two Available with a chargeable coating.    The method for operating a capacitive pressure detecting insole according to claim 9, wherein when the capacitive pressure detecting insole is subjected to the pressure applied by the user's foot, the capacitive yarn is crushed by the pressure And causing charge dispersion, the capacitance is changed due to the smaller charge density when the distance between the two charged coatings is constant, so that the plurality of capacitance sensing nodes sense the plurality of capacitance changes .    The method for operating a capacitive pressure detecting insole according to claim 9, wherein the capacitor yarn and the conductive yarn are wrapped or interlaced with each other.    The method for operating a capacitive pressure detecting insole according to claim 11, wherein the conductive yarn and the conductive yarn are disposed under a thermoplastic polyester elastomer layer or on two thermoplastic polyester elastomer layers. between.    The method of operating a capacitive pressure detecting insole according to claim 8 , wherein the computing chip is a blue chip or an Internet of Things (IoT) chip embedded in the capacitive pressure detecting insole.    The method for operating a capacitive pressure detecting insole according to claim 8 , wherein when the computing chip receives the plurality of capacitance changes, the computing chip filters and converts the plurality of capacitance changes to reduce The amount of data.