CN219229182U - Multi-dimensional force measurement insole - Google Patents
Multi-dimensional force measurement insole Download PDFInfo
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- CN219229182U CN219229182U CN202222555237.9U CN202222555237U CN219229182U CN 219229182 U CN219229182 U CN 219229182U CN 202222555237 U CN202222555237 U CN 202222555237U CN 219229182 U CN219229182 U CN 219229182U
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Abstract
The utility model provides a multi-dimensional force measuring 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; a wiring layer arranged below the bearing layer, and a wire used for connecting the sensing modules of the plurality of sensing units and the signal processing module is arranged in the sensor. According to the utility model, different areas of the foot can be supported in a contact manner through the plurality of protruding structures, the sensitivity degree of the sensitive unit to forces from different directions is different, and the deformation of the insole in multiple directions can be detected so as to sense the multidimensional force distribution of the sole.
Description
Technical Field
The utility model belongs to the technical field of biomechanical measurement, and particularly relates to a multi-dimensional force measurement insole.
Background
The feet are the root of our body, and the second heart of the human body is the foot from ancient times, which is closely related to the health of the human body. In the fields of rehabilitation evaluation, sports medicine and sports training, plantar pressure is an important link of quantitative gait analysis, and the conventional intelligent plantar pressure test insoles measure acting forces in the vertical direction mostly, but do not measure forward reaction forces and tangential reaction forces. The measurement and analysis of the distribution characteristics of plantar ground reaction force by researching multidimensional interaction force between the sole and the ground has important significance for gait analysis, balance capability assessment, prediction, diagnosis and treatment of related diseases. The current methods for measuring plantar force are: foot print technology, plantar pressure scanning technology, force plate and measuring table technology, and the like. However, the prior art has a plurality of limitations, most of the measured force of the prior pressure insole device is acting force in the vertical direction, and the conventional intelligent sole pressure test insole has insufficient flexibility when in use, the measurement function and the insole function are not well combined, the pressure sensors on the insole are all arranged on the surface of the insole, the comfort of the sole of a patient is affected, and the problems of high requirements of application occasions, short service life, lack of a measuring device for sole multidimensional force and the like exist.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present utility model is to provide a multi-dimensional force measuring insole, which solves the problems of the prior art, such as high requirements for application, short service life, low wearing comfort, and lack of a measuring device for multi-dimensional force of sole.
To achieve the above and other related objects, the present utility model provides a multi-dimensional force measuring 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.
In one embodiment of the utility model, the load cell area includes at least three of a phalange load cell area, a medial metatarsal load cell area, a lateral metatarsal load cell area, an arch load cell area and a heel load cell 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.
In one embodiment of the present utility model, the wiring layer contains not less than two wire layers.
In one embodiment of the present utility model, each sensing unit sensing module includes two or three or four sensing units, and the sensing units are respectively disposed corresponding to the bump structures.
In one embodiment of the utility model, the sensing units at the same position of the plurality of convex structures on the same load measuring area are connected in series or in parallel.
In one embodiment of the utility model, the sensing unit is a resistive sensing unit or a capacitive sensing unit.
In one embodiment of the present utility model, if the sensing unit corresponding to each of the bump structures is a resistive sensing unit, the resistive sensing unit is disposed on the bump structure; in the case of capacitive sensing cells, they are disposed on the bump structure and/or at the bottom of the bump structure.
In one embodiment of the utility model, the conductors for connecting the sensitive units in the same position of the protruding structures are located in the same conductor layer on different load-bearing measuring areas, and these conductors do not interfere with each other.
In one embodiment of the present utility model, the sensing units at the same position corresponding to the bump structures in the same carrying area are connected in series, and the wires connecting the positive electrodes and the negative electrodes of the sensing units at the same position are in the same wire layer.
In one embodiment of the present utility model, the sensing units at the same position corresponding to the bump structures in the same carrying area are connected in parallel, and 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 in the same wire layer or different wire layers, if the bump structures are correspondingly provided with two sensing units, the wire layers can be provided with two layers.
The utility model provides a multi-dimensional force measurement insole, which can be used for carrying out contact support on different areas of a foot through a plurality of raised structures, has different sensitivity degrees on forces from different directions, can be used for detecting deformation of the insole in multiple directions so as to sense multi-dimensional force distribution of plantar pressure and tangential acting force, and solves the defect that some equipment can only measure plantar one-dimensional force distribution.
The utility model provides a multi-dimensional force measurement insole which is made of flexible materials, has a good buffering effect and a certain buffering protection effect on feet, and combines the functions of measurement and insole. The plantar force distribution of different areas can be measured by relatively fixing the positions of each bearing area divided by plantar biomechanical data of the human sole, so that the accuracy of the measured data is improved.
The utility model provides a multidimensional force measuring insole, a sensing unit in a bulge adopts a resistor or a capacitor, a connection mode of wires for connecting the sensing units at the same position in the same bearing area is serial or parallel, wiring is simpler, a measuring circuit is simple, measured multidimensional force information is convenient to process, and main information of the bearing measuring area is quickly obtained.
The utility model provides a multi-dimensional force measurement insole, which is used for connecting wires of sensitive units corresponding to different positions of a convex structure of the same bearing area, and the wires are arranged on different wire layers and do not interfere with each other, so that the interference and error can be reduced.
The utility model provides a multi-dimensional force measurement insole, corresponding sensitive units connected in bulges positioned in different plantar bearing areas are connected in a serial or parallel mode, the number of wiring layers can be changed according to serial or parallel connection, and the wiring positions are positioned between an arch area and an outer phalange area, so that the insole is convenient to use.
The utility model provides a multi-dimensional force measurement insole, wherein wires connected with corresponding sensitive units on a bulge structure in a plantar bearing area are positioned on a wire layer at the lower part of the bulge, the wires are not interfered with the bulge structure, the bulge structure can be compactly distributed, the comfort of the insole is improved, more measurement points are obtained, and the accuracy of data is ensured.
The utility model provides a multi-dimensional force measuring insole, wherein a sensing unit in a bulge generates electric signal change due to the stress deformation of the insole, and the data size of the multi-dimensional force of the sole can be obtained by measuring the electric signal through calibration to obtain the known corresponding relation between the pressure change and the output electric signal change.
The utility model provides a multi-dimensional force measuring insole, the measured plantar multi-dimensional force is sent out through a signal processing module, a technician can process data through a related program, and a valuable analysis result is fed back to a wearer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a multi-dimensional force measuring insole in accordance with one embodiment of the present utility model.
FIG. 2 is a side view of a multi-dimensional force measuring insole in accordance with one embodiment of the present utility model.
Fig. 3 is a block diagram illustrating a signal processing module according to an embodiment of the utility model.
Fig. 4 is a schematic diagram illustrating an arrangement of a first sensing unit and a second sensing unit according to an embodiment of the utility model.
FIG. 5 is a schematic diagram of a series layout of a first sensing unit according to an embodiment of the present utility model.
FIG. 6 is a schematic diagram of a series layout of a second sensing unit according to an embodiment of the present utility model.
Fig. 7 is a schematic diagram showing an arrangement of a first sensing unit and a second sensing unit according to another embodiment of the present utility model.
FIG. 8 is a schematic diagram of the parallel wiring of the present utility model at a first sensing unit.
FIG. 9 is a schematic diagram of a parallel wiring of the present utility model at a second sensing unit.
Fig. 10 is a schematic diagram showing an arrangement of a first sensing unit and a second sensing unit according to another embodiment of the present utility model.
Fig. 11 is a schematic layout view of a first sensing unit and a second sensing unit provided with a common electrode in still another embodiment of the present utility model.
Fig. 12 is a schematic layout diagram of the common electrode of the sensing unit of the present utility model.
Figure 13 is a side view of a multi-dimensional force measuring insole in accordance with another embodiment of the utility model.
Fig. 14 is a schematic layout diagram of the first sensing unit and the second sensing unit, and the positive and negative electrodes of the third sensing unit and the fourth sensing unit connected in parallel to the same conductive line layer in another embodiment of the present utility model.
Description of the reference numerals:
a bump structure 101; phalangeal bearing region 102; medial metatarsal bearing area 103; lateral metatarsal bearing 104; arch support region 105; a heel-bearing zone 106; a sensitive unit sensing module 20; a signal processing module 30; a wiring layer 40; a first sensitive unit 201; a second sensing unit 202; a positive electrode portion 2011; a negative electrode portion 2012; a common electrode 203; a wire guide 401; a signal conditioning unit 301; an analog-to-digital conversion unit 302; a communication unit 303.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
Referring to fig. 1 to 14, the present utility model proposes a multi-dimensional force measurement insole to improve the problems of high application requirements, short service life, low wearing comfort, and lack of a multi-dimensional force measurement device for soles, in particular, in this embodiment, the multi-dimensional force measurement insole includes a carrying layer, a sensing unit sensing module 20, a signal processing module 30, and a wiring layer 40, wherein the carrying layer includes a plurality of carrying measurement areas for measuring multi-dimensional forces in different areas of soles, each carrying measurement area includes a plurality of raised structures 101, each raised structure 101 is provided with the sensing unit sensing module 20, the sensing unit sensing module 20 is used for detecting multi-dimensional forces acting on the raised structures 101 and generating electrical signals, the signal processing module 30 is connected with the sensing unit sensing module 20 through wires for conditioning the electrical signals into useful signals, and the wiring layer 40 is disposed below the carrying layer, and is provided with a plurality of conducting wire sensing unit sensing modules 20 for sensing positive and negative signals and for sensing the sensing unit sensing modules 30.
Referring to fig. 1, in the present embodiment, the load-measuring area includes a phalange load-bearing area 102, a medial metatarsal load-bearing area 103, a lateral metatarsal load-bearing area 104, an arch load-bearing area 105, and a heel load-bearing area 106, the raised structures 101 of the phalange load-bearing area 102 correspond to the phalange area, the raised structures 101 of the medial metatarsal load-bearing area 103 correspond to the medial metatarsal area, the raised structures 101 of the lateral metatarsal load-bearing area 104 correspond to the lateral metatarsal area, the raised structures 101 of the arch load-bearing area 105 correspond to the arch area, and the raised structures 101 of the heel load-bearing area 106 correspond to the heel area. According to the sole biomechanical data, the positions of the bearing areas divided by the sole areas of the person are relatively fixed, and the sole force distribution of different areas can be measured, so that the accuracy of the measured data is improved. It should be noted that the load-bearing measurement area may be a combination of at least any three of the phalange load-bearing area 102, the medial metatarsal load-bearing area 103, the lateral metatarsal load-bearing area 104, the arch load-bearing area 105, and the heel load-bearing area 106.
Referring to fig. 1, it should be further noted that the bump structure 101 has a certain elasticity, for example, a silica gel structure is provided, and the bump structures 101 in each of the load-bearing measurement areas are arranged in an array manner, so that the array of the bump structures 101 has a good buffering effect and a certain buffering protection effect on the foot.
Referring to fig. 1, as the protrusion structure 101 on the carrier layer deforms under force, the sensing unit in the protrusion generates an electrical signal change, and a known correspondence between the pressure change and the output electrical signal change is obtained through calibration, so that the data of the plantar multidimensional force can be obtained through measuring the electrical signal.
Referring to fig. 1, in this embodiment, the protruding structures 101 are correspondingly provided with a plurality of sensing units, and the plurality of protruding structures 101 can contact and support different areas of the foot, so that the sensing units have different sensitivity to forces from different directions, and the sensing units can detect deformation of the insole in multiple directions to sense multidimensional force distribution of plantar pressure and tangential acting force, thereby solving the defect that some devices can only measure plantar one-dimensional force distribution.
Referring to fig. 3 to 14, in the present embodiment, each sensing unit sensing module 20 includes a plurality of sensing units, and each sensing unit sensing module 20 includes a plurality of sensing units, for example, two or three or four sensing units, that is, the bump structure 101 is provided with a plurality of sensing units, and the sensing units at the same position on the bump structures 10 on the same load-bearing measurement area are connected in series or parallel. In this embodiment, the sensing units are, for example, resistive sensing units or capacitive sensing units, the sensing units corresponding to the bump structures 101 adopt resistors or capacitors, the connection mode of the wires connected to the sensing units at the same position in the same bearing area is serial or parallel, the wiring is simpler, the measuring circuit is simple, the measured multidimensional force information is convenient to process, and the main information of the bearing measuring area is obtained rapidly.
The sensing units in the protruding structures of fig. 4 are resistive sensing units, the sensing units in the protruding structures of fig. 7 and 12 are capacitive sensing units, positive and negative poles of the sensing units are led into the same conducting wire layer or different conducting wire layers to be arranged in a circuit mode through conducting materials and threading holes, the protruding structures of fig. 4, 7 and 12 are hollow, through holes can be formed in the wiring layers to be communicated with the hollow cavities, the bearing capacity of the protruding structures is changed through fluid filling, the bearing capacity of a sole stress area is changed through fluid filling, the pressure of the sole stress area can be measured, help can be provided for diabetic patients, the sole pressure condition of the diabetic patients can be reminded, and foot ulcers or festers caused by large partial sole pressure of the diabetic patients can be avoided.
It should be noted that the sensing units are, for example, resistive sensing units or capacitive sensing units, and the sensing units at the same position of the plurality of bump structures 101 on the same load measurement area may be connected in series or parallel to each other. If the sensing unit corresponding to each protruding structure 101 is a resistive sensing unit, the resistive sensing unit is disposed on the protruding structure 101; in the case of capacitive sensing cells, they are disposed on the raised structures 101 and/or at the bottom of the raised structures 101.
Referring to fig. 4 to 6, in this embodiment, the resistive sensing units at the same position of the plurality of raised structures 101 on the same load-bearing measurement area are illustrated as being connected in series, and the number of the resistive sensing units is, for example, two sensing units, which are a first sensing unit 201 and a second sensing unit 202, respectively, and the first sensing unit 201 and the second sensing unit 202 are disposed on the front side and the rear side of the raised structures 101, respectively, wherein the direction of the insole approaching the toes is the front side, and the direction of the insole approaching the heels is the rear side.
Referring to fig. 4 to 6, in this embodiment, the resistive sensing units on the plurality of bump structures on the same load-bearing measurement area are connected in series, for example, the first sensing units 201 on the same load-bearing measurement area and located on the front side of the bump structures 101 are connected in series with each other by wires, and the wires are disposed in the wiring layer 40, and the corresponding second sensing units 202 on the same load-bearing measurement area and located on the rear side of the bump structures 101 are connected in series with each other by wires, and the wires are disposed in the wiring layer 40, and it is noted that the wires are wires led out from two sides of the sensing units and are located in different wire layers in the wiring layer 40, and at this time, the number of wire layers in the wiring layer 40 is two, for example, the positive and negative wires of each bump connection corresponding sensing unit are respectively disposed in different wire layers of the wiring layer 40 and do not interfere with each other, so as to reduce interference and error.
Referring to fig. 7 to 9, in another embodiment, the capacitive sensing units at the same position of the plurality of bump structures 101 on the same load-bearing measurement area are described as being connected in parallel, and the number of the capacitive sensing units is, for example, two sensing units, which are a first sensing unit 201 and a second sensing unit 202, respectively, the first sensing unit 201 and the second sensing unit 202 are disposed at the front side and the rear side of the bump structures 101, respectively, and each of the capacitive sensing units includes, for example, an anode portion 2011 and a cathode portion 2012, the anode portion 2011 and the cathode portion 2012 are disposed on the inner layer of the bump structures 101, and the capacitive sensing units at the same position of the plurality of bump structures 101 on the same load-bearing measurement area are connected in parallel.
Referring to fig. 7 to 9, 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 the present embodiment, the positive electrode portion 2011 is located above the negative electrode portion 2012, and the positive electrode portion 2011 and the negative electrode portion 2012 are both disposed on the inner layer of the convex structure 101. In this embodiment, the sensing units located at the same position on the plurality of convex structures 101 on the same load measuring area are connected in parallel. For example, the first sensing units 201 located in the bump structures 101 on the same load-bearing measurement area are connected in parallel to each other by wires, and the wires are arranged in the wiring layer 40, and the corresponding second sensing units 202 located in the bump structures 101 on the same load-bearing measurement area are connected in parallel to each other by wires, and the wires are arranged in the wiring layer 40.
It should be noted that, the wires are wires led out from two parts of the capacitive sensing unit, for example, the wires led out from the positive electrode part 2011 are positive wires, the wires led out from the negative electrode part 2012 are negative wires, the positive and negative wires of the first sensing unit 201 are located in the same wire layer in the wire layer 40, and the positive and negative wires of the second sensing unit 202 and the positive and negative wires of the first sensing unit are located in the same wire layer in the wire layer 40, at this time, the number of wire layers in the wire layer 40 is set to 2 layers, for example, or, in some other embodiments, the positive and negative wires of the first sensing unit 201 are located in different wire layers in the wire layer 40, and the positive and negative wires of the second sensing unit 202 and the positive and negative wires of the first sensing unit are also located in different wire layers in the wire layer 40, at this time, the number of wire layers in the wire layer 40 is set to 2 layers, and the positive and negative wires of each bump connection corresponding to the sensing unit are respectively located in different wire layers in the wire layer 40, so that mutual interference is reduced. In this embodiment, for example, the positive electrode portion 2011 and the negative electrode portion 2012 each have an arch structure.
Fig. 11 and 12 show that fig. 11 and 12 are schematic diagrams of a first sensing unit 201 and a second sensing unit 202, which are respectively connected in parallel and are provided with a common electrode. In yet another embodiment, the capacitive sensing units at the same position of the plurality of convex structures 101 on the same load-bearing measurement area are illustrated as being connected in parallel, for example, two capacitive sensing units are provided, which are respectively a first sensing unit 201 and a second sensing unit 202, and the arrangement manner of the first sensing unit 201 and the second sensing unit 202 is shown in fig. 1. The wires of the first sensing unit and the wires of the second sensing unit are arranged on the same layer, and the wires also comprise a positive electrode part 2011 and a negative electrode part 2012 which are arranged up and down in the inner layer of the convex structure 101, and at this time, the connection mode of the first sensing unit 201 and the second sensing unit 202 and the arrangement mode of the wiring layer 40 can be kept the same as the connection mode and the arrangement mode of the wiring layer 40 which are all arranged in the convex structure 101 in an arch structure.
Referring to fig. 8 and 11 to 14, in some embodiments, the common electrode 203 may be further disposed, that is, the negative electrode portions 2012 of the capacitive sensing cells at the same location on the plurality of bump structures 101 in different load-bearing measurement areas are respectively connected together by wires, and then connected to the same negative electrode wire to form the common electrode 203, so that the positive electrode portions 2011 of the capacitive sensing cells at the same location on the plurality of bump structures 101 in the same load-bearing measurement area are respectively connected to the positive electrode wires, so that the capacitive sensing cells at the same location on the plurality of bump structures 101 in the same load-bearing measurement area are connected in parallel. It should be noted that, the positive wires led out from the first sensing unit 201 and the second sensing unit 202 may be disposed in the same wire layer of the wiring layer 40, and the common negative wire led out from the common negative electrode 203 may be disposed in another wire layer of the wiring layer 40, at this time, the number of layers of the wire layer in the wiring layer 40 may be two, that is, the positive and negative wires of each bump connection corresponding to the sensing unit are disposed in different wiring layers respectively and do not interfere with each other, which is beneficial to reduce interference and error. In some other embodiments, for example, the positive electrode portion 2011 is mounted in an arch structure within the protrusion structure 101, and the negative electrode portion 2012 is disposed in a linear structure at the bottom of the protrusion structure 101.
It should be noted that the sensitive units at the same position corresponding to the convex structures of the same bearing area are connected in series or in parallel, and the wires connecting the positive electrode and the negative electrode of the sensitive units at the same position are arranged at the same wire layer or different wire layers. Wires connecting the positive and negative electrodes of the sensitive units at the same position are in the same wire layer, if the protruding structure is correspondingly provided with two sensitive units, the conducting wire layer is two layers; the sensitive units at the same position corresponding to the convex structures of the same bearing area are connected in parallel, wires for connecting the anodes of the sensitive units at the same position and wires for connecting the cathodes of the sensitive units at the same position are respectively arranged on different wire layers, and the same wires of different sensitive units are arranged on the same wire layer; in addition, when the connection modes of the sensing units are parallel connection and the common electrode is provided, the connection modes of the sensing units at the same position corresponding to the bump structure 101 of the same carrying area are parallel connection, the number of the wire layers in the wiring layer 40 is two, and fig. 11 and 12 are schematic diagrams of one wiring of the two wire layers.
Referring to fig. 14, in some embodiments, four sensing units, namely, a first sensing unit 201, a second sensing unit 202, a third sensing unit 204, and a fourth sensing unit 205, may be disposed in each bump structure 101, where a is the first sensing unit connected in parallel with each other, b is the second sensing unit connected in parallel with each other in fig. 14, c is the third sensing unit connected in parallel with each other in fig. 14, d is the fourth sensing unit connected in parallel with each other, that is, the sensing units at the same position are connected in parallel with each other in parallel, and the positive electrodes and the negative electrodes of the sensing units at the same position on different load bearing measurement areas are connected in parallel with the same conductive layer, and at this time, the conductive layer has 4 layers in total.
According to the arrangement method of fig. 14, if the number of the sensitive units in the bump structure is 2, the sensitive units at the same position of the bump structure of the same load-bearing measurement area are connected in parallel to the same conducting wire layer, and the conducting wire layer has 2 layers in total; one electrode of two different position sensitive units in the convex structure of the same bearing area measuring position can be arranged in parallel on the same conducting wire layer, and the conducting wire layer is 2 layers in total.
Referring to fig. 4, 7 and 12, in this embodiment, a wire hole 401 is further provided at the connection between the wiring layer 40 and the bump structure 101, for accommodating wires to pass through, so as to facilitate the wires connected with the sensitive unit to be led into different wire layers in the wiring layer 40 for wiring, and a temperature sensor may be placed in the bump, so as to facilitate analysis of the influence of temperature on the sensitive unit.
It should be further noted that, in this embodiment, the sensing units connected to the same position by the protrusion structures 101 located in the same load-bearing measurement area are connected in a serial or parallel manner, the connection points of the lead wires led out are located between the arch area and the outer metatarsal area, that is, the sensing units connected to the protrusions located in different plantar load-bearing measurement areas are connected in a serial or parallel manner, the number of the serial or parallel wiring layers can be changed, and the connection points are located between the arch area and the outer metatarsal area, so that the use is convenient.
Referring to fig. 1 and 3, in the present embodiment, the signal processing module 30 includes: the device comprises 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 for acquiring the multi-dimensional force signal and converting the multi-dimensional force signal into a conditioning signal, the analog-to-digital conversion unit 302 is used for acquiring the conditioning signal and converting the conditioning signal into a digital signal, the communication unit 303 is used for acquiring the digital signal and sending the digital signal to a processing module, and the processing module is provided with relevant shaping for processing the digital signal, and can process data through relevant programs and feed back valuable analysis results to a wearer.
The utility model provides a multi-dimensional force measurement insole, which can be used for carrying out contact support on different areas of a foot through a plurality of raised structures, has different sensitivity degrees on forces from different directions, can be used for detecting deformation of the insole in multiple directions so as to sense multi-dimensional force distribution of plantar pressure and transverse acting force, and solves the defect that some equipment can only measure plantar one-dimensional force distribution.
The utility model provides a multi-dimensional force measurement insole which is made of flexible materials, has a good buffering effect and a certain buffering protection effect on feet, and combines the functions of measurement and insole. The plantar force distribution of different areas can be measured by relatively fixing the positions of each bearing area divided by plantar biomechanical data of the human sole, so that the accuracy of the measured data is improved.
The utility model provides a multidimensional force measuring insole, a sensing unit in a bulge adopts a resistor or a capacitor, a connection mode of wires for connecting the sensing units at the same position in the same bearing area is serial or parallel, wiring is simpler, a measuring circuit is simple, measured multidimensional force information is convenient to process, and main information of the bearing measuring area is quickly obtained.
The utility model provides a multi-dimensional force measurement insole, which is used for connecting wires of sensitive units corresponding to different positions of a convex structure of the same bearing area, and the wires are arranged on different wire layers and do not interfere with each other, so that the interference and error can be reduced.
The utility model provides a multi-dimensional force measurement insole, corresponding sensitive units connected in bulges positioned in different plantar bearing areas are connected in a serial or parallel mode, the number of wiring layers can be changed according to serial or parallel connection, and the wiring positions are positioned between an arch area and an outer phalange area, so that the insole is convenient to use.
The utility model provides a multi-dimensional force measurement insole, wherein wires connected with corresponding sensitive units on a bulge structure in a plantar bearing area are positioned on a wire layer at the lower part of the bulge, the wires are not interfered with the bulge structure, the bulge structure can be compactly distributed, more bulge supporting points and measuring points are obtained, the comfort of the insole is improved, and the accuracy of data is ensured.
The utility model provides a multi-dimensional force measuring insole, wherein a sensing unit in a bulge generates electric signal change due to the stress deformation of the insole, and the data size of the multi-dimensional force of the sole can be obtained by measuring the electric signal through calibration to obtain the known corresponding relation between the pressure change and the output electric signal change.
The utility model provides a multi-dimensional force measuring insole, the measured plantar multi-dimensional force is sent out through a signal processing module, a technician can process data through a related program, and a valuable analysis result is fed back to a wearer.
The foregoing description is only illustrative of the preferred embodiments of the present application and the technical principles employed, and it should be understood by those skilled in the art that the scope of the present application is not limited to the specific combination of the above technical features, but encompasses other technical features which may be combined with any combination of the above technical features or their equivalents without departing from the inventive concept, such as the technical features disclosed in the present application (but not limited to) and the technical features having similar functions are substituted for each other.
Other technical features besides those described in the specification are known to those skilled in the art, and are not described herein in detail to highlight the innovative features of the present utility model.
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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117923411A (en) * | 2024-03-25 | 2024-04-26 | 成都凯天电子股份有限公司 | Silicon carbide capacitive pressure sensor and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117923411A (en) * | 2024-03-25 | 2024-04-26 | 成都凯天电子股份有限公司 | Silicon carbide capacitive pressure sensor and preparation method thereof |
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