CN219229182U - Multi-dimensional force measurement insole - Google Patents

Abstract

The utility model proposes a multi-dimensional force measuring insole, comprising: a load-bearing layer, the load-bearing layer includes a plurality of load-bearing measurement areas, and each of the load-bearing measurement areas includes a plurality of convex structures; a plurality of sensitive unit perception modules , each of the raised structures is correspondingly provided with the sensitive unit perception module to detect the multi-dimensional force acting on the raised structure and generate an electrical signal; the signal processing module is connected with a plurality of the sensitive unit perception modules Electrically connected and used to condition the electrical signal into a useful signal; the wiring layer is arranged under the bearing layer, and wires for connecting multiple sensitive unit sensing modules and the signal processing module are arranged in it. The utility model can contact and support different areas of the foot through several protruding structures, and the sensitivity of the sensitive unit to the force from different directions is different, and can detect the deformation of the insole in multiple directions and sense the multi-dimensional force distribution of the sole.

Description

A multi-dimensional force measuring insole

technical field

The utility model belongs to the technical field of biomechanical measurement, and in particular relates to a multi-dimensional force measuring insole.

Background technique

Feet are the foundation of our body. It has been said since ancient times that feet are the second heart of the human body, and are closely related to human health. In the field of rehabilitation assessment, sports medicine and sports training, plantar pressure is an important part of quantitative gait analysis. Conventional intelligent plantar pressure test insoles mostly measure the force in the vertical direction, and do not measure the forward reaction force and tangential reaction force. By studying the multidimensional interaction force between the sole and the ground, measuring and analyzing the distribution characteristics of the plantar ground reaction force is of great significance for gait analysis, balance ability assessment, prediction, diagnosis and treatment of related diseases. The current methods for measuring plantar force include: footprint technology, plantar pressure scanning technology, force plate and measuring table technology, etc. However, there are many limitations in the existing technology. Most of the existing pressure insole devices measure the force in the vertical direction, and the conventional intelligent plantar pressure test insole is not flexible enough when used, and the measurement function is combined with the insole function. Not good enough, the pressure sensors on it are all installed on the surface of the insole, which affects the comfort of the patient's soles, and there are problems such as high application requirements, short life and lack of a measuring device for multi-dimensional forces on the soles.

Utility model content

In view of the above shortcomings of the prior art, the purpose of this utility model is to provide a multi-dimensional force measuring insole to improve the existing technology has many limitations, such as high application requirements, short life, low wearing comfort and lack of A device for measuring multi-dimensional forces on the soles of the feet and the like.

In order to achieve the above purpose and other related purposes, the utility model proposes a multi-dimensional force measuring insole, including:

A load-bearing layer, the load-bearing layer includes a plurality of load-bearing measurement areas, each of which includes a plurality of raised structures;

A plurality of sensitive unit sensing modules, each of the raised structures is correspondingly provided with the sensitive unit sensing module to detect the multi-dimensional force acting on the raised structure and convert it into an electrical signal;

A signal processing module, electrically connected to a plurality of sensing modules of the sensitive unit, and used to condition the electrical signal into a useful signal;

The wiring layer is arranged under the carrying layer, and wires for connecting multiple sensitive unit perception modules and the signal processing module are arranged therein.

In one embodiment of the present invention, the bearing measurement area includes at least three of the phalanx bearing area, the medial metatarsal bearing area, the lateral metatarsal bearing area, the arch bearing area and the heel bearing area,

The raised structure of the phalanx bearing area corresponds to the area of the phalanx;

The raised structure of the medial metatarsal bearing area corresponds to the region of the medial metatarsal;

The raised structure of the outer metatarsal bearing area corresponds to the area of the outer metatarsal;

The raised structure of the arch bearing area corresponds to the area of the arch of the foot;

The raised structure of the heel bearing area corresponds to the area of the heel.

In one embodiment of the present invention, the wiring layer contains no less than two wire layers.

In one embodiment of the present invention, each of the sensing modules of the sensing units includes two, three or four sensing units, and the sensing units are arranged correspondingly to the protruding structures.

In one embodiment of the present invention, the sensitive units at the same position of the plurality of protrusion structures on the same bearing measurement area are connected in series or in parallel.

In one embodiment of the present invention, the sensitive unit is a resistive sensitive unit or a capacitive sensitive unit.

In one embodiment of the present invention, if the sensitive unit corresponding to each of the raised structures is a resistive sensitive unit, it is arranged on the raised structure; if it is a capacitive sensitive unit, it is arranged on the raised structure. raised structure and/or the bottom of the raised structure.

In one embodiment of the present invention, on different bearing measurement areas, the wires used to connect the sensitive units at the same position of the protruding structure are located in the same wire layer, and these wires do not interfere with each other.

In one embodiment of the present invention, the sensitive units at the same position corresponding to the raised structures in the same loading area are connected in series, and the wires connecting the positive and negative electrodes of the sensitive units at the same position are in the same wire layer. The structure is correspondingly provided with two sensitive units, and at this time, the wire layer can be provided with two layers.

In one embodiment of the present invention, the sensitive units at the same position corresponding to the raised structures of the same loading area are connected in parallel, and the wires connected to the positive poles of the sensitive units at the same position are connected to the negative poles of the sensitive units at the same position. As for the wire layer or different wire layers, if the protruding structure is correspondingly provided with two sensitive units, then the wire layer can be set as two layers.

The utility model proposes a multi-dimensional force measuring insole, which can contact and support different areas of the foot through several raised structures. Sensitive units have different sensitivities to forces from different directions, and can detect the deformation of the insole in multiple directions and then Perceive the multi-dimensional force distribution of plantar pressure and tangential force, which solves the shortcomings of some devices that can only measure the one-dimensional force distribution of the plantar.

The utility model proposes a multi-dimensional force measuring insole, the insole is made of flexible material, and the raised structure can be hollow or solid, which has a good cushioning effect and has a certain buffering and protecting effect on the foot, combining the measurement and the function of the insole Combined. In addition, the position of each load-bearing area divided into the plantar area of the human body is relatively fixed according to the plantar biomechanics data, and the distribution of plantar forces in different areas can be measured, thereby improving the accuracy of the measurement data.

The utility model proposes a multi-dimensional force measuring insole. The sensitive unit located in the protrusion adopts resistance or capacitance, and the connection mode of the wires connecting the sensitive units at the same position in the same bearing area is series or parallel, the wiring is relatively simple, and the measurement circuit is simple. It is convenient to process the measured multi-dimensional force information, and quickly obtain the main information of the bearing measurement area.

The utility model proposes a multi-dimensional force measuring insole, which is used to connect the wires of the sensitive units corresponding to different positions of the raised structure in the same bearing area to be placed on different wire layers without interfering with each other, which is beneficial to reduce interference and errors.

The utility model proposes a multi-dimensional force measuring insole, in which the corresponding sensitive units are connected in series or in parallel in the protrusions located in different foot bearing areas, and the number of wiring layers can be changed according to the series or parallel connection, and the wiring is located in the foot Between the arch area and the lateral phalanx area, it is easy to use.

The utility model proposes a multi-dimensional force measuring insole. The wire connected to the corresponding sensitive unit on the raised structure located in the bearing area of the foot is located at the lower part of the raised wire layer, and does not interfere with the raised structure. The distribution can be relatively compact, which is conducive to improving the comfort of the insole, obtaining more measurement points, and ensuring the accuracy of the data.

The utility model proposes a multi-dimensional force measuring insole. Due to the force deformation of the insole, the sensitive unit in the protrusion produces a change in the electrical signal, and the corresponding relationship between the known pressure change and the output electrical signal change can be obtained through calibration. The electric signal obtains the data size of the plantar multidimensional force.

The utility model proposes a multi-dimensional force measuring insole. The measured multi-dimensional force on the sole of the foot is sent out through a signal processing module, and technicians can process the data through related programs, and feedback valuable analysis results to the wearer.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a front view of a multi-dimensional force measuring insole in an embodiment of the present invention.

Fig. 2 is a side view of a multi-dimensional force measuring insole in an embodiment of the present invention.

FIG. 3 is a structural block diagram of a signal processing module in an embodiment of the present invention.

Fig. 4 is a schematic diagram of the layout of the first sensing unit and the second sensing unit in an embodiment of the present invention.

FIG. 5 is a schematic diagram of the serial wiring of the first sensitive unit in an embodiment of the present invention.

FIG. 6 is a schematic diagram of the series wiring of the second sensitive unit in an embodiment of the present invention.

Fig. 7 is a schematic diagram of the arrangement of the first sensing unit and the second sensing unit in another embodiment of the present invention.

Fig. 8 is a schematic diagram of parallel wiring in the first sensitive unit of the present invention.

Fig. 9 is a schematic diagram of parallel wiring in the second sensitive unit of the present invention.

Fig. 10 is a schematic diagram of the arrangement of the first sensing unit and the second sensing unit in another embodiment of the present invention.

FIG. 11 is a schematic diagram of the wiring of the first sensitive unit and the second sensitive unit provided with a common electrode in yet another embodiment of the present invention.

FIG. 12 is a schematic diagram of the wiring of the common electrode of the sensitive unit of the present invention.

Fig. 13 is a side view of a multi-dimensional force measuring insole in another embodiment of the present invention.

Fig. 14 is a schematic wiring diagram of the utility model and another embodiment in which the positive and negative electrodes of the first sensitive unit, the second sensitive unit, the third sensitive unit and the fourth sensitive unit are connected in parallel on the same wire layer.

Label description:

Protruding structure 101; phalanx bearing area 102; inner metatarsal bone bearing area 103; outer metatarsal bone bearing area 104; foot arch bearing area 105; heel bearing area 106; sensitive unit perception module 20; signal processing module 30; wiring layer 40; A sensitive unit 201 ; a second sensitive unit 202 ; positive part 2011 ; negative part 2012 ; common electrode 203 ; wire hole 401 ; signal conditioning unit 301 ; analog-to-digital conversion unit 302 ; communication unit 303 .

Detailed ways

The implementation of the present utility model is described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The utility model can also be implemented or applied through other different specific implementation modes, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model.

It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic concept of the utility model, and only the components related to the utility model are shown in the diagrams rather than the number of components, Shape and size drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, and the component layout type may also be more complicated.

Please refer to Fig. 1 to Fig. 14, the utility model proposes a multi-dimensional force measuring insole to improve the existing technology and there are many limitations, such as high application requirements, short life, low wearing comfort and lack of A device for measuring multidimensional forces on the soles of the feet, etc. Specifically, in this embodiment, the multidimensional force measuring insole includes a bearing layer, a sensitive unit perception module 20, a signal processing module 30 and a wiring layer 40, wherein the The load-bearing layer includes a plurality of load-bearing measurement areas for measuring multidimensional forces in different areas of the sole, and each of the load-bearing measurement areas includes a plurality of protruding structures 101, and each of the protruding structures 101 is provided with The sensitive unit sensing module 20, the sensitive unit sensing module 20 is used to detect the multi-dimensional force acting on the raised structure 101 and generate an electrical signal, the signal processing module 30 and the sensitive unit sensing module 20 It is connected by wires to adjust the electrical signal into a useful signal, and the wiring layer 40 is arranged under the bearing layer, and there are provided in it for connecting a plurality of sensitive unit sensing modules 20 and the signal processing The positive and negative wires of the module 30.

See also shown in Fig. 1, in the present embodiment, described bearing measurement area comprises phalanx bone bearing area 102, medial metatarsal bone bearing area 103, lateral metatarsal bone bearing area 104, foot arch bearing area 105 and heel bearing area 106, described The raised structure 101 of the phalanx bearing area 102 corresponds to the area of the phalanx, the raised structure 101 of the inner metatarsal bone bearing area 103 corresponds to the inner metatarsal area, and the raised structure 101 of the outer metatarsal bone bearing area 104 corresponds to the outer side In the area of the metatarsal bone, the raised structure 101 of the arch bearing area 105 corresponds to the area of the arch of the foot, and the raised structure 101 of the heel bearing area 106 corresponds to the area of the heel. According to the plantar biomechanics data, the position of each load-bearing area divided into the human foot area is relatively fixed, and the distribution of plantar forces in different areas can be measured, thereby improving the accuracy of the measurement data. It should be noted that the bearing measurement area can be any combination of at least three of the phalanx bearing area 102 , the medial metatarsal bearing area 103 , the lateral metatarsal bearing area 104 , the arch bearing area 105 and the heel bearing area 106 .

Please refer to Fig. 1, it should also be noted that the protruding structure 101 has a certain degree of elasticity, such as a silicone structure, and a plurality of the protruding structures 101 in each of the bearing measurement areas They are all arranged in an array, and the array of raised structures 101 has a good buffering effect, and has a certain buffering and protecting effect on the feet.

Please refer to Fig. 1, since the protrusion structure 101 on the bearing layer is deformed by force, the sensitive unit in the protrusion produces a change in electrical signal, and the known pressure change and output electrical signal change are obtained through calibration. Corresponding relationship, the data size of the multi-dimensional force of the plantar can be obtained by measuring the electrical signal.

Please refer to Fig. 1, in this embodiment, the protruding structure 101 is correspondingly provided with a plurality of sensitive units, through several protruding structures 101, different areas of the foot can be contacted and supported, and the sensitive units come from different The sensitivity of the direction of the force is different. It can detect the deformation of the insole in multiple directions and then perceive the multi-dimensional force distribution of the plantar pressure and tangential force. It solves the shortcoming that some devices can only measure the one-dimensional force distribution of the plantar.

Referring to FIGS. 3 to 14, in this embodiment, each of the sensitive unit perception modules 20 includes a plurality of sensitive units, and each of the sensitive unit perception modules 20 includes a plurality of sensitive units, for example, two or Three or four sensitive units, that is, the protruding structure 101 is provided with multiple sensitive units, and the sensitive units at the same position on the multiple protruding structures 10 on the same bearing measurement area are connected in series or connected in parallel. In this embodiment, the sensitive unit is, for example, a resistive sensitive unit or a capacitive sensitive unit, and the sensitive unit corresponding to the protruding structure 101 adopts a resistor or a capacitor, and the connection mode of the wire connected to the sensitive unit at the same position in the same bearing area is as follows: Series or parallel, the wiring is relatively simple, the measurement circuit is simple, it is convenient to process the multi-dimensional force information of the measurement, and quickly obtain the main information of the bearing measurement area.

The sensitive unit in the raised structure of Fig. 4 is a resistive sensitive unit, and the sensitive unit in the raised structure shown in Fig. 7 and Fig. 12 is a capacitive sensitive unit, and the sensitive unit is combined with a conductive material and a threading hole. The positive and negative poles of the wiring layer are introduced into the same wire layer or different wire layers for wiring layout. The raised structures in Figure 4, Figure 7, and Figure 12 are all cavity-type, and through holes can be set on the wiring layer to communicate with the cavity. The way of filling the fluid changes the bearing capacity of the raised structure. By filling the fluid, the bearing capacity of the plantar force-bearing area can be changed, and the pressure of the plantar force-bearing area can be measured, which can provide help for diabetic foot patients and And remind them of the plantar pressure, so as to avoid the local pressure on the soles of diabetic foot patients to cause foot ulcers or ulcers.

It should be noted that the sensitive unit is, for example, a resistive sensitive unit or a capacitive sensitive unit, and the sensitive units at the same position of the plurality of raised structures 101 on the same bearing measurement area can be connected in series or in parallel. together. If the sensitive unit corresponding to each raised structure 101 is a resistive sensitive unit, it is arranged on the raised structure 101; if it is a capacitive sensitive unit, it is arranged on the raised structure 101 and/or the raised structure 101 Lift the bottom of the structure 101.

Please refer to FIG. 4 to FIG. 6. In this embodiment, the resistive sensitive units at the same position of a plurality of raised structures 101 on the same bearing measurement area are connected in series as an example for illustration, and the The number of resistive sensitive units is, for example, set to two sensitive units, which are respectively a first sensitive unit 201 and a second sensitive unit 202, and the first sensitive unit 201 and the second sensitive unit 202 are respectively arranged on the convex The front side and the rear side of the starting structure 101, wherein the direction of the insole close to the toes is the front side, and the direction close to the heel is the rear side.

Please refer to Fig. 4 to Fig. 6, in this embodiment, the resistive sensitive units on the plurality of raised structures on the same bearing measurement area are connected in series, for example, on the same bearing measurement area The first sensitive units 201 located on the front side of the protruding structure 101 are connected in series through wires, and the wires are arranged in the wiring layer 40. The second sensitive units 202 on the rear side of the protruding structure 101 are connected in series with each other through wires, and the wires are arranged in the wiring layer 40, and it should be noted that the wires are from the two sensitive units. The cables drawn from the side, and the wires are located in different wire layers in the wiring layer 40. At this time, the number of wire layers in the wiring layer 40 is, for example, two layers, and each protrusion is connected to the positive and negative wires of the corresponding sensitive unit. In different wiring layers of the wiring layer 40 without interfering with each other, it is beneficial to reduce interference and errors.

Please refer to FIG. 7 to FIG. 9 , in another embodiment, it is illustrated by taking capacitive sensitive units at the same position of a plurality of raised structures 101 on the same bearing measurement area as an example to be connected in parallel with each other, and the The quantity of the capacitive sensitive unit is set as two sensitive units, which are respectively the first sensitive unit 201 and the second sensitive unit 202, and the first sensitive unit 201 and the second sensitive unit 202 are respectively arranged in the The front side and the back side of the raised structure 101, and each of the capacitive sensing units has two parts, for example, the first sensing unit 201 includes a positive part 2011 and a negative part 2012, and the positive part 2011 and the The negative electrode part 2012 is arranged up and down on the inner layer of the protruding structure 101, and the capacitive sensing units at the same position on the multiple protruding structures 101 on the same bearing measurement area are connected in parallel with each other.

Please refer to FIGS. 7 to 9 , wherein FIG. 8 is a schematic diagram of the first sensing units 201 connected in parallel, and FIG. 9 is a schematic diagram of the second sensing units 202 connected in parallel. In this embodiment, the anode portion 2011 is located above the anode portion 2012 , and both the anode portion 2011 and the anode portion 2012 are arranged in the inner layer of the protruding structure 101 . In this embodiment, the sensitive units located at the same position on the plurality of raised structures 101 on the same bearing measurement area are connected in parallel with each other. For example, the first sensitive units 201 located in the raised structure 101 on the same bearing measurement area are connected in parallel with each other through wires, and the wires are arranged in the wiring layer 40, correspondingly, the same bearing measurement The second sensitive units 202 located in the protruding structure 101 on the area are connected in parallel with each other through wires, and the wires are arranged in the wiring layer 40 .

It should be noted that the wires are cables drawn from the two parts of the capacitive sensing unit, for example, the wires drawn out from the positive part 2011 are positive wires, and the wires drawn out from the negative part 2012 are negative wires , the positive and negative wires of the first sensitive unit 201 are located in the same wiring layer in the wiring layer 40, and the positive and negative wires of the second sensitive unit 202 and the positive and negative wires of the first sensitive unit are located in the wiring layer 40 In the same wiring layer, at this time, the number of wiring layers in the wiring layer 40 is set to 2 layers, or, in some other embodiments, the positive and negative wirings of the first sensitive unit 201 are located in different wiring layers 40 In the wire layer, and the positive and negative wires of the second sensitive unit 202 and the positive and negative wires of the first sensitive unit are also located in different wire layers of the wiring layer 40, the positive wire of 201 and the positive wire or negative wire of 202 Arranged in the same wire layer, at this time, the number of wire layers in the wiring layer 40 is set to 2 layers, for example, and the positive and negative wires of each bump connected to the corresponding sensitive unit are respectively placed in different wire layers in the wiring layer 40 And do not interfere with each other, which is conducive to reducing interference and errors. In this embodiment, for example, both the positive electrode part 2011 and the negative electrode part 2012 are in an arched structure.

Please refer to FIG. 11 and FIG. 12 , wherein FIG. 11 and FIG. 12 are schematic diagrams of parallel connection of the first sensing unit 201 and the second sensing unit 202 provided with common electrodes. In yet another embodiment, the capacitive sensing units at the same position of a plurality of the protruding structures 101 on the same bearing measurement area are used as an example for illustration. The sensing unit 201 and the second sensing unit 202, and the arrangement of the first sensing unit 201 and the second sensing unit 202 is shown in FIG. 1 . The wires of the first sensitive unit and the wires of the second sensitive unit are arranged on the same layer, and also include the positive electrode part 2011 and the negative electrode part 2012 arranged up and down in the inner layer of the raised structure 101. At this time, the first The wiring method and wiring layer 40 arrangement method of the sensitive unit 201 and the second sensitive unit 202 can be kept the same as the above-mentioned connection method and arrangement method of the wiring layer 40 installed in the raised structure 101 in an arched structure.

Please refer to Fig. 8, Fig. 11 to Fig. 14, in some embodiments, it is also possible to set a common electrode 203, that is, a capacitive After the negative electrode parts 2012 of the sensitive unit are connected together by wires, they are connected to the same negative electrode wire to form the common electrode 203, and the capacitive electrodes at the same position on the plurality of raised structures 101 on the same bearing measurement area are connected to each other. The positive part 2011 of the sensitive unit is respectively connected to the positive wire, so that the capacitive sensitive units at the same position on the plurality of raised structures 101 on the same bearing measurement area are connected in parallel with each other. It should be noted that the positive wires drawn from the first sensitive unit 201 and the second sensitive unit 202 can be arranged in the same wire layer of the wiring layer 40, while the common negative wires drawn out from the common negative electrode 203 can be arranged In another wire layer in the wiring layer 40, the number of layers of the wire layer in the wiring layer 40 can be set to two layers at this time, that is, the positive and negative wires of each protrusion connected to the corresponding sensitive unit are respectively placed in different wiring layers and Non-interference with each other is conducive to reducing interference and errors. In some other embodiments, for example, the positive part 2011 is installed in the protruding structure 101 in an arched structure, and the negative part 2012 is arranged in a linear structure at the bottom of the protruding structure 101 .

It should be noted that the sensitive units at the same position corresponding to the raised structures of the same bearing area are connected in series or in parallel, and the wires connecting the positive and negative electrodes of the sensitive units at the same position are arranged on the same wire layer or different wire layers. The wires connecting the positive and negative electrodes of the sensitive units at the same position are in the same wire layer, if the raised structure is correspondingly provided with two sensitive units, then the wire layer is two layers; the raised structure in the same bearing area corresponds to The sensitive units at the same position are connected in parallel, the wires connected to the positive poles of the sensitive units at the same position and the wires connected to the negative poles of the sensitive units at the same position are respectively on different wire layers, and the same wires of different sensitive units are located on the same wire layer. , if the protruding structure is correspondingly provided with two sensitive units, the wire layer is two layers at this time, and Fig. 8 and Fig. 9 are a schematic diagram of wiring of the two wire layers; in addition, when the sensitive unit When the connection mode is parallel connection and a common electrode is provided, the sensitive units at the same position corresponding to the raised structure 101 of the same bearing area are connected in parallel, and the number of wire layers in the wiring layer 40 is two layers, as shown in Fig. 11 and FIG. 12 is a schematic diagram of wiring of the two wire layers.

Please refer to FIG. 14, in some embodiments, four sensitive units can be set in each raised structure 101, which are respectively the first sensitive unit 201, the second sensitive unit 202, the third sensitive unit 204 and the fourth sensitive unit. Unit 205, a in Figure 14 shows that the first sensitive units are connected in parallel with each other, b in Figure 14 shows that the second sensitive units are connected in parallel with each other, c in Figure 14 shows that the third sensitive units are connected in parallel with each other, and d in Figure 14 is The fourth sensitive units are connected in parallel with each other, that is, the sensitive units at the same position are connected in parallel, and the positive and negative electrodes of the sensitive units at the same position on different bearing measurement areas are connected in parallel on the same wire layer. At this time, there are 4 wire layers.

According to the layout method in Figure 14, if there are 2 sensitive units in the protruding structure, the sensitive units at the same position of the protruding structure in the same bearing measurement area are connected in parallel on the same wire layer, and the wire layer has 2 layers at this time; One electrode of two different position sensitive units in the raised structure of the measurement position in the same bearing area is arranged in parallel on the same wire layer, and at this time there are 2 wire layers.

Please refer to Fig. 4, Fig. 7 and Fig. 12, in this embodiment, a wire hole 401 is also provided at the junction of the wiring layer 40 and the raised structure 101, for accommodating the passage of wires, so as to facilitate The wires connected to the sensitive units are introduced into different wire layers in the wiring layer 40 for wiring, and temperature sensors can be placed in the protrusions, so as to facilitate the analysis of the influence of temperature on the sensitive units.

It should also be noted that in this embodiment, the protruding structures 101 located in the same bearing measurement area are connected to the sensitive units at the same position in a series or parallel manner, and the connection points of the lead wires drawn out are all located in the arch of the foot. Between the area and the lateral metatarsal area, that is, the sensitive units corresponding to the raised internal connections located in different plantar bearing measurement areas are connected in series or in parallel. The number of wiring layers can be changed according to the series or parallel connection. Between the area and the lateral phalanx area, it is easy to use.

1 and 3, in this embodiment, the signal processing module 30 includes: a signal conditioning unit 301, an analog-to-digital conversion unit 302, and a communication unit 303, wherein the signal conditioning unit 301 is used to obtain The multi-dimensional force signal, and convert the multi-dimensional force signal into a conditioning signal, the analog-to-digital conversion unit 302 is used to obtain the conditioning signal, and convert it into a digital signal, and the communication unit 303 is used to obtain the digital signal signal, and send the digital signal to the processing module, where there are relevant moldings for processing the digital signal, the data can be processed through relevant programs, and valuable analysis results can be fed back to the wearer .

The utility model proposes a multi-dimensional force measuring insole, which can contact and support different areas of the foot through several raised structures. Sensitive units have different sensitivities to forces from different directions, and can detect the deformation of the insole in multiple directions and then Perceive the multi-dimensional force distribution of plantar pressure and lateral force, which solves the shortcomings of some devices that can only measure the one-dimensional force distribution of the plantar.

The utility model proposes a multi-dimensional force measuring insole, the insole is made of flexible material, and the raised structure can be hollow or solid, which has a good cushioning effect and has a certain buffering and protecting effect on the foot, combining the measurement and the function of the insole Combined. In addition, the position of each load-bearing area divided into the plantar area of the human body is relatively fixed according to the plantar biomechanics data, and the distribution of plantar forces in different areas can be measured, thereby improving the accuracy of the measurement data.

The utility model proposes a multi-dimensional force measuring insole. The sensitive unit located in the protrusion adopts resistance or capacitance, and the connection mode of the wires connecting the sensitive units at the same position in the same bearing area is series or parallel, the wiring is relatively simple, and the measurement circuit is simple. It is convenient to process the measured multi-dimensional force information, and quickly obtain the main information of the bearing measurement area.

The utility model proposes a multi-dimensional force measuring insole, which is used to connect the wires of the sensitive units corresponding to different positions of the raised structure in the same bearing area to be placed on different wire layers without interfering with each other, which is beneficial to reduce interference and errors.

The utility model proposes a multi-dimensional force measuring insole, in which the corresponding sensitive units are connected in series or in parallel in the protrusions located in different foot bearing areas, and the number of wiring layers can be changed according to the series or parallel connection, and the wiring is located in the foot Between the arch area and the lateral phalanx area, it is easy to use.

The utility model proposes a multi-dimensional force measuring insole. The wire connected to the corresponding sensitive unit on the raised structure located in the bearing area of the foot is located at the lower part of the raised wire layer, and does not interfere with the raised structure. The distribution can be relatively compact, and more raised support points and measurement points can be obtained, which is conducive to improving the comfort of the insole and ensuring the accuracy of the data.

The utility model proposes a multi-dimensional force measuring insole. Due to the force deformation of the insole, the sensitive unit in the protrusion produces a change in the electrical signal, and the corresponding relationship between the known pressure change and the output electrical signal change can be obtained through calibration. The electric signal obtains the data size of the plantar multidimensional force.

The utility model proposes a multi-dimensional force measuring insole. The measured multi-dimensional force on the sole of the foot is sent out through a signal processing module, and technicians can process the data through related programs, and feedback valuable analysis results to the wearer.

The above description is only a preferred embodiment of the application and an explanation of the technical principle used. Those skilled in the art should understand that the scope involved in this application is not limited to the technical solution formed by the specific combination of the above technical features. At the same time, it should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the concept of the utility model. For example, the above-mentioned features are similar to (but not limited to) disclosed in the application A technical solution formed by replacing technical features of a function with each other.

Except for the technical features described in the specification, the rest of the technical features are known to those skilled in the art. In order to highlight the innovative features of the present utility model, the rest of the technical features will not be repeated here.

Claims (10)

1. A multi-dimensional force measurement insole comprising:

the bearing layer comprises a plurality of bearing measurement areas, and each bearing measurement area comprises a plurality of raised structures;

the sensing units are arranged on the convex structures, and the sensing units are arranged on the convex structures;

the signal processing module is electrically connected with the sensing unit sensing modules and is used for conditioning the electric signals into useful signals;

the wiring layer is arranged below the bearing layer, and a wire used for connecting the sensing modules of the plurality of sensitive units and the signal processing module is arranged in the wiring layer.

2. The multi-dimensional force measuring insole of claim 1, wherein said load bearing measurement area comprises at least three of a phalange load bearing area, a medial metatarsal load bearing area, a lateral metatarsal load bearing area, an arch load bearing area and a heel load bearing area,

the convex structures of the phalanges bearing areas correspond to the areas of the phalanges;

the raised structures of the medial metatarsal bearing area correspond to the area of the medial metatarsal;

the convex structure of the lateral metatarsal bearing area corresponds to the area of the lateral metatarsal;

the raised structure of the arch bearing area corresponds to the area of the arch;

the raised structures of the heel bearing region correspond to the area of the heel.

3. The multi-dimensional force measurement insole of claim 1, wherein the routing layer comprises no less than two wire layers.

4. The multi-dimensional force measurement insole of claim 1, wherein each of the sensing unit sensing modules comprises two or three or four sensing units, and the sensing units are respectively disposed corresponding to the protrusion structures.

5. The multi-dimensional force measuring insole of claim 1, wherein said sensing units at the same position of said plurality of raised structures on the same load bearing measuring area are connected in series or parallel with each other.

6. The multi-dimensional force measurement insole of claim 1, wherein the sensing unit is a resistive sensing unit or a capacitive sensing unit.

7. The multi-dimensional force measurement insole of claim 6, wherein each of said raised structures, if a resistive sensor, is disposed on said raised structure; in the case of capacitive sensing cells, they are disposed on the bump structure and/or at the bottom of the bump structure.

8. A multi-dimensional force measuring insole according to claim 1 or 3, wherein the wires for connecting the sensitive units of the same location of said protruding structures are located in the same wire layer on different load-bearing measuring areas, and wherein these wires do not interfere with each other.

9. The multi-dimensional force measuring insole according to claim 1, wherein the sensing units at the same position corresponding to the convex structures of the same carrying area are connected in series, the wires connecting the positive electrode and the negative electrode of the sensing units at the same position are arranged on the same wire layer, and if the convex structures are correspondingly provided with two sensing units, the wire layer can be arranged as two layers.

10. The multi-dimensional force measuring insole according to claim 1, wherein the sensing units at the same position corresponding to the convex structures of the same bearing area are connected in parallel, the wires connecting the anodes of the sensing units at the same position and the wires connecting the cathodes of the sensing units at the same position are arranged on the same wire layer or different wire layers, and if the convex structures are correspondingly provided with two sensing units, the wire layers can be arranged as two layers.

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