CN111759310A - Foot detection equipment based on 3D pressure data acquisition - Google Patents
Foot detection equipment based on 3D pressure data acquisition Download PDFInfo
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- CN111759310A CN111759310A CN202010688839.4A CN202010688839A CN111759310A CN 111759310 A CN111759310 A CN 111759310A CN 202010688839 A CN202010688839 A CN 202010688839A CN 111759310 A CN111759310 A CN 111759310A
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Abstract
The invention discloses foot detection equipment based on 3D pressure data acquisition, which belongs to the technical field of foot detection equipment and comprises a 3D pressure sensor module, a data acquisition module, a data transmission module, a data processing module and an analysis result display module, wherein the 3D pressure sensor module is a plane in any shape, a piezoresistive sensor dot matrix is placed on the plane and consists of a plurality of piezoresistive sensors, the data acquisition module is mutually connected with the 3D pressure sensor module through an acquisition module circuit, and the data transmission module is mutually connected with the data acquisition module. The foot characteristics can be analyzed on the three-dimensional layer by only using one sensor module, the equipment has simple structure, low cost and small product volume; compared with other plane pressure sensing technologies, the 3D data can model the arch of foot, effectively distinguish the false flat foot and the true flat foot, and record data of foot detection data and perform daily monitoring.
Description
Technical Field
The invention relates to the technical field of foot detection equipment, in particular to foot detection equipment based on 3D pressure-sensitive data acquisition.
Background
The existing equipment mainly uses an image means to collect the contact condition of a foot stepping on a plane, and only the information of a contact surface is acquired. It is also generally necessary for others to view the shape of the arch to make a reliable diagnosis. Or from the angle of image acquisition and processing, the data of dimensions such as the shape of a treaded foot, the angle of a heel and the like are obtained to judge the flat foot, and the equipment has large volume and higher cost. In other parts of the prior art, the pressure sensing surface is used for collecting the treading data of the user, and the flat foot is judged according to the shape of the treading surface. However, the method does not combine the shape of the arch of foot, and the artificial flat foot and the true flat foot are difficult to distinguish; the artificial flat foot refers to normal arch, the flat sole is caused by developed sole muscles and thick soft tissues, and the reason of true flat foot is the tatami under the arch. For example, in a flat foot detection device and a data acquisition operation method thereof provided in the patent CN110037704A, a pressure sensor can only acquire pressure areas and determine a flat foot according to data and an operation algorithm.
Disclosure of Invention
The invention aims to provide foot detection equipment based on 3D pressure data acquisition, which displays the foot form through 3D pressure data and is convenient for medical observation, analysis and archiving; the foot characteristics can be analyzed on the three-dimensional layer by only using one sensor module, the equipment has simple structure, low cost and small product volume; compared with other plane pressure sensing technologies, the 3D data can model the arch of the foot, and effectively distinguish the artificial flat foot from the true flat foot, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a foot detection device based on 3D pressure data acquisition comprises a 3D pressure sensor module, a data acquisition module, a data transmission module, a data processing module and an analysis result display module, wherein the 3D pressure sensor module is a plane in any shape, a piezoresistive sensor dot matrix is placed on the plane and consists of a plurality of piezoresistive sensors, the data acquisition module is connected with the 3D pressure sensor module through an acquisition module circuit, the acquisition module circuit comprises a plurality of channel ADC and ADC main interfaces, a plurality of ADC auxiliary interfaces are arranged on the 3D pressure sensor module, one end of the channel ADC is provided with an ADC main interface, the ADC main interface is connected with the ADC auxiliary interfaces, the data transmission module is connected with the data acquisition module to transmit 3D pressure data to the data processing module, the data processing module is connected with the analysis result display module, and the analysis result display module is used for displaying the 3D pressure sensing data.
Furthermore, a plurality of piezoresistive sensors are divided into two groups, the two groups of piezoresistive sensors respectively correspond to the left foot and the right foot of the human body, and each group of piezoresistive sensors are distributed in a foot shape.
Further, the data processing module and the data processing module are not limited to one or more of serial port communication, Ethernet communication, wireless local area network communication and Bluetooth communication.
Further, the analysis result display module is a liquid crystal display screen or a projector, and the original 3D pressure sensation data, the foot tread shape and judgment result, the arch three-dimensional modeling and the bending degree judgment result are displayed on the analysis result display module.
Furthermore, the data acquisition module is set as a dot matrix scanning instrument, and the dot matrix scanning instrument presets a frequency refreshing and scanning 3D pressure sensor module.
Further, the surface of the 3D pressure sensor module is covered with a cover plate made of transparent glass or transparent polyvinyl chloride material.
Furthermore, the plurality of piezoresistive sensors are connected with the plurality of channel ADCs in a one-to-one correspondence manner, the plurality of channel ADCs are connected with the plurality of ADC main interfaces in a one-to-one correspondence manner, and the plurality of ADC main interfaces are connected with the plurality of ADC auxiliary interfaces in a one-to-one correspondence manner.
Compared with the prior art, the invention has the beneficial effects that: according to the foot detection equipment based on 3D pressure data acquisition, the foot data are acquired through the 3D pressure sensor, the treading surface shapes of different pressure levels and the three-dimensional modeling of the arch can be acquired, so that the purpose of judging the flat foot is achieved, the fake flat foot and the real flat foot can be distinguished, and the 3D pressure data show the foot shape, so that the medical observation, analysis and archiving are facilitated; the foot characteristics can be analyzed on the three-dimensional layer by only using one sensor module, the equipment has simple structure, low cost and small product volume; compared with other plane pressure sensing technologies, the 3D data can model the arch of foot, effectively distinguish the false flat foot and the true flat foot, and record data of foot detection data and perform daily monitoring.
Drawings
FIG. 1 is an overall block diagram of a foot detection device based on 3D pressure data acquisition of the present invention;
FIG. 2 is a block diagram of the foot detection device based on 3D pressure data acquisition according to the present invention;
FIG. 3 is a connection diagram of a 3D pressure sensor module and a data acquisition module of the foot detection device based on 3D pressure data acquisition according to the present invention;
FIG. 4 is a block diagram of a 3D pressure sensor module of the foot detecting device based on 3D pressure data acquisition of the present invention;
fig. 5 is a flow chart of a detection method of the foot detection device based on 3D pressure data acquisition according to the present invention.
In the figure: 1. a 3D pressure sensor module; 11. a piezoresistive sensor dot matrix; 111. a piezoresistive sensor; 112. an ADC secondary interface; 113. a cover plate; 12. a plane; 2. a data acquisition module; 21. an acquisition module circuit; 211. a channel ADC; 212. an ADC main interface; 3. a data transmission module; 4. a data processing module; 5. and an analysis result display module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a foot detection device based on 3D pressure-sensitive data acquisition, comprising a 3D pressure-sensitive sensor module 1, a data acquisition module 2, a data transmission module 3, a data processing module 4 and an analysis result display module 5, wherein the 3D pressure-sensitive sensor module 1 is a plane 12 with any shape, a piezoresistive sensor lattice 11 is placed on the plane 12, the piezoresistive sensor lattice 11 is composed of a plurality of piezoresistive sensors 111, the piezoresistive sensors 111 are divided into two groups, the two groups of piezoresistive sensors 111 respectively correspond to the left and right feet of a human body, each group of piezoresistive sensors 111 is distributed in a foot shape, the piezoresistive sensors 111 are correspondingly connected with the channel ADCs 211 one by one, the channel ADCs 211 are correspondingly connected with the ADC main interfaces 212 one by one, the ADC main interfaces 212 are correspondingly connected with the ADC auxiliary interfaces 112 one by one, the data acquisition module 2 is connected with the 3D pressure-sensitive sensor module 1 through an acquisition module circuit 21, the acquisition module circuit 21 comprises a plurality of channels ADC211 and ADC main interfaces 212, a plurality of ADC auxiliary interfaces 112 are arranged on the 3D pressure sensor module 1, one end of the channel ADC211 is provided with an ADC main interface 212, the ADC main interface 212 is connected with the ADC auxiliary interfaces 112, the data transmission module 3 is connected with the data acquisition module 2, the data acquisition module 2 is set as a dot matrix scanning instrument, the dot matrix scanning instrument is preset with frequency refreshing and scanning the 3D pressure sensor module 1, the surface of the 3D pressure sensor module 1 is covered with a cover plate 113 made of transparent glass or transparent polyvinyl chloride materials, 3D pressure data are transmitted to the data processing module 4, the data processing module 4 and the data processing module 4 are not limited to one or more of serial port communication, Ethernet communication, wireless local area network communication and Bluetooth communication, the data processing module 4 is connected with the analysis result display module 5, the analysis result display module 5 is used for displaying the 3D pressure sensing data, the analysis result display module 5 is a liquid crystal display screen or a projector, the original 3D pressure sensing data, the foot tread shape and judgment result, the arch three-dimensional modeling and bending degree judgment result are displayed on the analysis result display module 5, and data recording and daily monitoring of foot detection data are realized.
Referring to fig. 5, in order to better show the detection process of the foot detection device based on 3D pressure data acquisition, the present embodiment now provides a detection method of the foot detection device based on 3D pressure data acquisition, including the following steps:
s101: when a human foot steps on the cover plate 113 of the 3D pressure sensor module 1, the resistance value of each piezoresistive sensor 111 point in the piezoresistive sensor dot matrix 11 is changed under different pressures;
s102: the data acquisition module 2 refreshes and scans the 3D pressure sensor module 1 through a preset frequency, reads the pressure grade of each pressure point and summarizes the pressure grade into 3D pressure data of the pressure surface;
s103: the data transmission module 3 transmits the 3D pressure-sensitive data to the data processing module 4 in a serial port communication mode, an Ethernet communication mode, a wireless local area network communication mode or a Bluetooth communication mode;
s104: the data processing module 4 performs the following data processing on the 3D pressure sensing data: analyzing the treading surface, setting a pressure threshold according to the age and other specific conditions of a user, presenting a region shape higher than the pressure threshold, judging the curvature of the inner side of the foot according to the shape, and classifying the flat feet according to the curvature range; modeling the arch, namely calculating a three-dimensional model of the arch according to pressure distribution data of the arch skeleton; judging the bending degree of the arch through the three-dimensional model, and classifying the bending degree into arch collapse, normal arch and high arch;
s105: the analysis result display module 5 displays the original 3D pressure data, the foot tread shape and judgment result, and the arch three-dimensional modeling and bending degree judgment result.
In summary, the following steps: according to the foot detection equipment based on 3D pressure data acquisition, the foot data are acquired through the 3D pressure sensor, the treading surface shapes of different pressure levels and the three-dimensional modeling of the arch can be acquired, so that the purpose of judging the flat foot is achieved, the fake flat foot and the real flat foot can be distinguished, and the 3D pressure data show the foot shape, so that the medical observation, analysis and archiving are facilitated; the foot characteristics can be analyzed on the three-dimensional layer by only using one sensor module, the equipment has simple structure, low cost and small product volume; compared with other plane 12 pressure sensing technologies, the 3D data can model the arch of foot, effectively distinguish false flat feet from true flat feet, and record data of foot detection data and monitor the foot daily.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The foot detection equipment based on 3D pressure-sensitive data acquisition is characterized by comprising a 3D pressure-sensitive sensor module (1), a data acquisition module (2), a data transmission module (3), a data processing module (4) and an analysis result display module (5), wherein the 3D pressure-sensitive sensor module (1) is a plane (12) in any shape, a piezoresistive sensor dot matrix (11) is placed on the plane (12), the piezoresistive sensor dot matrix (11) is composed of a plurality of piezoresistive sensors (111), the data acquisition module (2) is connected with the 3D pressure-sensitive sensor module (1) through an acquisition module circuit (21), the acquisition module circuit (21) comprises a plurality of channel ADCs (211) and ADC main interfaces (212), the 3D pressure-sensitive sensor module (1) is provided with a plurality of ADC auxiliary interfaces (112), one end of the channel ADC (211) is provided with the ADC main interface (212), ADC main interface (212) and ADC auxiliary interface (112) interconnect, data transmission module (3) and data acquisition module (2) interconnect, with 3D pressure sense data transmission to data processing module (4), data processing module (4) and analysis result display module (5) interconnect to show 3D pressure sense data through analysis result display module (5).
2. The foot detection device based on 3D pressure data acquisition as claimed in claim 1, wherein the piezoresistive sensors (111) are divided into two groups, the two groups of piezoresistive sensors (111) respectively correspond to the left foot and the right foot of a human body, and each group of piezoresistive sensors (111) is distributed in a foot shape.
3. The foot detection device based on 3D pressure-sensitive data acquisition as claimed in claim 1, characterized in that the data processing module (4) and the data processing module (4) are not limited to one or more of serial port communication, Ethernet communication, wireless local area network communication and Bluetooth communication.
4. The foot detecting device based on 3D pressure data acquisition as claimed in claim 1, wherein the analysis result display module (5) is a liquid crystal display or a projector, and the analysis result display module (5) displays the original 3D pressure data, the foot tread shape and judgment result, the arch three-dimensional modeling and the bending degree judgment result.
5. The foot detection device based on 3D pressure-sensitive data acquisition as claimed in claim 1, characterized in that the data acquisition module (2) is set as a dot matrix scanning instrument, and the dot matrix scanning instrument presets a frequency refresh scanning 3D pressure-sensitive sensor module (1).
6. The foot detection device based on 3D pressure-sensitive data acquisition as claimed in claim 1, characterized in that the surface of the 3D pressure-sensitive sensor module (1) is covered with a cover plate (113) made of transparent glass or transparent polyvinyl chloride material.
7. The 3D pressure sensing data acquisition-based foot detection device as claimed in claim 1, wherein a plurality of the piezoresistive sensors (111) are connected with a plurality of channel ADCs (211) in a one-to-one correspondence manner, the plurality of channel ADCs (211) are connected with a plurality of ADC main interfaces (212) in a one-to-one correspondence manner, and the plurality of ADC main interfaces (212) are connected with a plurality of ADC sub-interfaces (112) in a one-to-one correspondence manner.
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| CN202010688839.4A CN111759310A (en) | 2020-07-16 | 2020-07-16 | Foot detection equipment based on 3D pressure data acquisition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112462979A (en) * | 2020-12-14 | 2021-03-09 | 深圳国微云技术有限公司 | Multi-point touch equipment based on pressure-sensitive data acquisition and data processing method |
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| JP2010069229A (en) * | 2008-09-22 | 2010-04-02 | Nitta Ind Corp | Device for foot type classification |
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Address after: 22b, Guoshi building, 1801 Shahe West Road, high tech community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Applicant after: Shenzhen Guowei perception Technology Co.,Ltd. Address before: 22b, Guoshi building, 1801 Shahe West Road, high tech community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Applicant before: Shenzhen Guowei cloud Technology Co.,Ltd. |
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Application publication date: 20201013 |