Summary of the invention
It is at high cost using three or more optical scanners in the prior art to solve, and surveyed without plantar nervous archMeasure the more single problem of function, equipment output data, the problems such as embodiment is not specific, the present invention provides one kind rotary threeFoot type and plantar pressure scanner and its working method are tieed up, three-dimensional foot type is solved and plantar nervous arch integral type quickly scans surveyThe technical issues of amount.
The technical solution adopted by the present invention are as follows: a kind of Rotary three-dimensional foot type and plantar pressure scanner, including vertical behaviourControl rack, foot type scanning column, annulus guide rail, motor, pressure measurement plate, measurement Control card, interaction process terminal, neonychium,Network interface, USB interface, switch button and circumscripted power line;
The structural body part that the vertical manipulation rack is, including rack base, heel post and operation bench;
The foot type scanning column is used to obtain the 3 d image data of object to be swept, including top 3D true feeling camera mouldGroup, lower part 3D true feeling camera module and support regulating and controlling mechanism;
The annulus guide rail is connected to motor, and the rotary motion for scanning column for foot type provides round circular orbit;
The motor drives annulus guide rail to rotate by setting speed and direction under measurement Control card control, and then drivesFoot type scans column rotary motion;
The pressure measurement plate is mounted on the center of rack base, for obtaining the plantar nervous arch number of object to be sweptAccording to;
The measurement Control card is mounted on the inside of rack base, with motor, foot type scanning column, pressure measurement plate, friendshipMutual processing terminal, network interface, USB interface, switch button and circumscripted power line are electrically connected, and are responsible for control foot type and are scanned columnData are acquired with pressure measurement plate and to interaction process terminal transmission data;
The interaction process terminal is to have the processing equipment of calculating and input/output function, passes through survey mounted theretoExamination analysis software and measurement Control card carry out instruction interaction, control three-dimensional foot type and plantar pressure scanning process, handle simultaneouslyThe data sent from measurement Control card provide visual presentation and the application output of three-dimensional foot type and plantar pressure data;
The neonychium is covered on the upper surface of pressure measurement plate, to improve the comfort that user stands when measuring;
The network interface connects network for scanner and provides cable plug receptacle;
The USB interface connects external USB equipment for scanner and provides the interface of USB form;
The switch button is the button for controlling scanner on or off, is mounted on the heel post of vertical manipulation rackFront upper;
The circumscripted power line is the ground power line with three-prong plug, connects external 220V alternating current for scanner.
Preferably, the foot type scanning column is mounted on the lateral surface of rack base, connect with annulus guide rail by the way that screw rod is fixedIt connects, as annulus guide rail moves in a circle under motor drive around rack base lateral surface to scan the three-dimensional figure of object to be sweptAs data, the 3 d image data includes RGB image and point cloud data.
Preferably, the foot type scanning column is cooperated by two 3D true feeling camera modules and scans 3-D image numberAccording to wherein the top 3D true feeling camera module and the lower part 3D true feeling camera module are electrically connected with measurement Control cardIt connects, is made of a RGB camera, an infrared transmitter and an infrared sensor parallel arrangement;The top 3D is realSense camera module is mounted on the top of the support regulating and controlling mechanism, its imaging plane and weight face are clockwise at the angle a after installation;Lower part 3D true feeling camera module is mounted on the lower part of the support regulating and controlling mechanism, its imaging plane center line and protection after installationIt is concordant to pad upper surface;Pass through the combination of two camera modules and the regulation of installation site and angle, it is ensured that foot is arrived in scanningWhole 3 d image datas.
Preferably, the annulus guide rail and the motor are mechanically connected by rack-and-pinion, gear is mounted on the motorIn shaft, rack gear is fixed on the internal ring wall of the annulus guide rail, and the annulus guide rail is mounted on the side wall circle of rack baseIn annular groove, the motor is fixed on the inner sidewall of rack base, motor band movable tooth under measurement Control card controlWheel is rotated by setting speed and direction, and gear drives the rack gear on annulus guide rail internal ring wall mobile, so that annulus guide rail is pressedSetting speed and direction rotate, and then the foot type being fixedly connected with annulus guide rail scanning column is driven to do circle rotation movement.
Preferably, the embedded centre for being mounted on rack base of the pressure measurement plate, upper surface ledges frame pedestalUpper surface 3mm, pressure measurement plate use plug-in type modularized design, and the upper surface of pressure measurement plate is equipped with dot matrix flexibility pressureForce snesor detects the plantar nervous arch data of object to be swept, can according to customer requirement select 4 points/square centimeter and withOn pliable pressure sensor, pliable pressure sensor is by printing molding silver wire band connection to the measurement Control cardTo realize the acquisition transmission of plantar nervous arch data.
Preferably, the measurement Control card includes FPC connector, data acquisition module, high speed data transfer module, delaysStoring module, central processing unit, power management module and onboard data line, wherein FPC connector leads the silver on pressure measurement plateTape is stuck on measurement Control card, to the transducing signal on pressure measurement plate is transferred in measurement Control card, power supply220V voltage is converted into the operating voltage of scanner by management module, and data acquisition module controls 2 3D true feeling cameras respectivelyMould group acquisition 3 d image data, control pressure measurement plate acquisition plantar nervous arch data simultaneously carry out analog-to-digital conversion;Cache mould3 d image data and plantar nervous arch data after block caching analog-to-digital conversion;Central processing unit is to 3 d image data and footBottom pressure distributed data such as is denoised, is encoded at the pretreatment;High speed data transfer module is by pretreated 3 d image dataInteraction process terminal is transferred to by onboard data line with plantar nervous arch data.
Preferably, the neonychium uses 1mm thickness black silicagel pad, it is covered on the upper surface of pressure measurement plate, thereon tableStanding station location marker is printed to prompt user's standing that foot is stepped down in this position and measure in face.
Preferably, installing two angle connectors on the support regulating and controlling mechanism, top 3D true feeling camera module is underPortion 3D true feeling camera module passes through angle connector respectively and is fixed on support regulating and controlling mechanism, by adjusting angle when installationThe fixed angle of connector is spent to realize the angle a or concordantly fix.
Preferably, the interaction process terminal is mounted on the operation bench of the vertical manipulation rack by plugging modeFace can be laptop, tablet computer or industrial personal computer.
The present invention also provides the working methods of Rotary three-dimensional foot type and plantar pressure scanner, comprising the following steps:
Step 101: circumscripted power line plugs electricity, presses the switch button on scanner, scanner powers on and self-test;
Step 102: opening the test analysis software being mounted in interaction process terminal, select self calibration button, scannerInto self-calibration mode, the foot type scanning column on scanner is rotated around rack base lateral surface steady circular with scan protectionPad, top 3D true feeling camera module obtain neonychium image data, self-calibration routines calculate neonychium centre coordinate andArea, then compare initial center coordinate and area come calibrate the focal length of upper and lower part 3D true feeling camera module, origin,The inside and outside parameters such as distortion parameter and calibration object world coordinates;
Step 103: entering user's log-in interface, new user registers first, and user name, property are inputted in interaction process terminalNot, it the essential informations such as date of birth, height, weight and saves, scan pattern is entered back into, after existing subscriber selects user name to log inInto scan pattern;
Step 104: after entering scan pattern, user takes off footgear, and strip plays the bottom of s trouser leg, and both feet are separately stood in scanner naturallyAt the standing place mark of rack base neonychium, start to measure, the foot type scanning column on scanner is on the outside of rack baseFace uniform rotation one week, the upper and lower part 3D true feeling camera module of foot type scanning column cooperates when rotation, and to obtain user doubleThe 3 d image data of foot is mounted on the synchronous plantar nervous arch number for obtaining user of pressure measurement plate of rack base centreAccording to;
Step 105: data collecting module collected 3 d image data and plantar nervous arch number in measurement Control cardAccording to and carry out analog-to-digital conversion, cache module caches the 3 d image data after analog-to-digital conversion and plantar nervous arch data, centerProcessor such as is denoised to data and is encoded at the pretreatment, and pretreated data are passed through built-in number by high speed data transfer moduleInteraction process terminal is transferred to according to line;
Step 106: interaction process terminal stores data by test analysis software after receiving data, edits, calculatesDeng processing, pass through the 3-D image number at the instep, side and gap of fusion upper and lower part 3D true feeling camera module acquisitionAccording to the three-dimensional foot type for reconstructing user, crucial three peacekeeping plantar pressure characteristic parameter of foot is extracted;
Step 107: the key characterization parameter of the displaying of interaction process terminal visualization three-dimensional foot type and extraction, storage result,Result can also be externally shared by network interface or USB interface.
The invention has the following advantages:
(1) Rotary three-dimensional foot type and plantar pressure scanner had both had three-dimensional foot type scanning and foot type parameter measurement functionCan, and have the function of plantar nervous arch measurement, Overall Acquisition foot morphology and kinetic parameter, comprehensive analysis foot formAnd biomechanical characterization, foot characteristic parameter collection is constructed, towards shoe industry, industry and the researches on exercise biomechanics of helping the disabled of helping the elderlyThe equal open shared data bank of fields foundation can be to promote shoe industry industrial upgrading, push the industry development, raising of helping the disabled of helping the elderlyResearches on exercise biomechanics level etc. provides required technology and platform is supported.
(2) it is designed using rotary scanning structure, the foot type by being equipped with 3D true feeling camera module scans column in motorIt is surrounded the uniform rotation of rack base lateral surface one week under drive along annulus guide rail, foot type scans the upper and lower part of column when rotation3D true feeling camera module, which cooperates, obtains the 3 d image data of user's biped, is mounted on the pressure of rack base centreThe synchronous plantar nervous arch data for obtaining user of measurement plate, so that user need to only take off footgear and stand naturally on the scanner,Three peacekeeping plantar pressure characteristic parameter of foot can be measured in 30 seconds by being not required to turn round or make any adjustments movement, and obtain threeTie up visual foot type and pressure-plotting, rotation structure and integrated test analysis design so that whole process efficiently justIt is prompt.Moreover, rotary scanning structure and working method design are so that only need to complete precisely using 2 camera modulesEfficient 3-D scanning and measurement, compared with public technology is with the technical solution of 3 or more camera modules, significantlyThe cost for reducing instrument and equipment is more advantageous to popularization and application.
(3) upper and lower part 3D true feeling camera module is installed at an angle to each otherly on the foot type scanning column of scanner, byOne RGB camera, an infrared transmitter and infrared sensor parallel arrangement composition, thus it is available to includingThe 3 d image data of RGB image and point cloud data can be realized more accurate three-dimensional measurement.Top 3D true feeling camera moduleIts imaging plane and weight face ensure that top 3D true feeling camera module can completely bow clockwise at the angle a in this way after installationThe 3 d image data on instep was photographed, the 3 d image data at side and gap can also be photographed;Lower part 3D true feeling cameraIts imaging plane center line is concordant with protective pad upper surface after the installation of mould group, ensures that lower part 3D true feeling camera module can be in this wayCompletely photographed the 3 d image data at foot side and gap, it is particularly possible to clearly photographed foot side and contact surface itBetween 3 d image data at gap;Pass through the complementation of two camera module upper and lower positions and shooting angle, it is ensured that scanningTo the 3 d image data of foot whole, more fine accurately three-dimensional foot type scanning and measurement are realized.
(4) in order to improve scanning accuracy, method for self-calibrating has also been devised, before booting scans every time scanner first press program intoRow self calibration, foot type scanning column when self calibration on scanner are rotated around rack base lateral surface steady circular with scan protectionPad, top 3D true feeling camera module obtain neonychium image data, self-calibration routines calculate neonychium centre coordinate andArea, then compare initial center coordinate and area come calibrate the focal length of upper and lower part 3D true feeling camera module, origin,The inside and outside parameters such as distortion parameter and calibration object world coordinates, then carry out 3-D scanning and measurement again, improve measurement accuracy.
(5) the sensing detection element using highdensity dot matrix pliable pressure sensor as pressure measurement plate, canFiner plantar nervous arch information is got, molding sensor manufacturing process is printed using integration, it is ensured that pressureThe stability of measurement plate, available vola mechanics, geometric shape parameter and time abundant from plantar nervous arch informationPliable pressure sensor is also connect by parameter using FPC connector with measurement Control card, and direct plug buckle can be completedInstallation or replacement, improve installation reliability and convenience, so that more emat sensor is more convenient.
(6) homemade measurement Control card is mounted in scanner gantry pedestal, including FPC connector, data acquisition moduleBlock, high speed data transfer module, cache module, central processing unit, power management module and onboard data line, wherein FPC connectionSilver wire band on pressure measurement plate is stuck on measurement Control card by device, so that the transducing signal on pressure measurement plate be transmittedInto measurement Control card, 220V voltage is converted into the operating voltage of scanner, data acquisition module point by power management moduleIt Kong Zhi not 2 3D true feeling camera module acquisition 3 d image datas, control pressure measurement plates acquisition plantar nervous arch dataAnd analog-to-digital conversion is carried out, and 3 d image data and plantar nervous arch data after cache module caching analog-to-digital conversion, centreReason device the pretreatment such as is denoised, is encoded to 3 d image data and plantar nervous arch data, and high speed data transfer module willPretreated 3 d image data and plantar nervous arch data are transferred to interaction process terminal by onboard data line.It is thisIC design simplifies installation, and maintenance is more convenient.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, completeSite preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based onEmbodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every otherEmbodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, Rotary three-dimensional foot type and plantar pressure scanner include vertical manipulation rack 1, foot type scanning column2, annulus guide rail 3, motor 4, pressure measurement plate 5, measurement Control card 6, interaction process terminal 7, neonychium 8, network interface 9,Usb 10, switch button 11 and circumscripted power line 12;Vertical manipulation rack 1 includes rack base 101, heel post 102 and behaviourControl platform 103;Foot type scanning column includes that top 3D true feeling camera module 201, lower part 3D true feeling camera module 202 and support are adjustedControl mechanism 203.
Foot type scanning column 2 is mounted on the lateral surface of rack base 101, is fixedly connected with annulus guide rail 3 by screw rod, withAnnulus guide rail 3 moves in a circle under the drive of motor 4 around 101 lateral surface of rack base to scan the 3-D image of object to be sweptData.Foot type scans column 2 and passes through two 3D true feeling camera modules collaborative work scanning 3 d image datas, wherein top 3DTrue feeling camera module 201 and lower part 3D true feeling camera module 202 are electrically connected with measurement Control card 6, by a RGBCamera, an infrared transmitter and an infrared sensor parallel arrangement composition;Top 3D true feeling camera module 201 is installedOn the top of support regulating and controlling mechanism 203, its imaging plane and weight face are clockwise at the angle a after installation;Lower part 3D true feeling cameraMould group 202 is mounted on the lower part of support regulating and controlling mechanism 203, its imaging plane center line is concordant with protective pad upper surface after installation;Pass through the combination of two camera modules and the regulation of installation site and angle, it is ensured that the 3-D image of foot whole is arrived in scanningData.It supports and two angle connectors, top 3D true feeling camera module 201 and lower part 3D true feeling is installed on regulating and controlling mechanism 203Camera module 202 is fixed on support regulating and controlling mechanism 203 by angle connector respectively, by adjusting angle when installationThe fixed angle of connector realizes the angle a or concordant fixed.
Annulus guide rail 3 and motor 4 are mechanically connected by rack-and-pinion, and gear is mounted in the shaft of motor 4, rack gear installationIt is fixed on the internal ring wall of annulus guide rail 3, annulus guide rail 3 is mounted in the side wall annular groove of rack base 101, and the installation of motor 4 is solidIt is scheduled on the inner sidewall of rack base 101, the band moving gear in the case where measurement Control card 6 is controlled of motor 4 is turned by setting speed and directionDynamic, gear drives the rack gear on 3 internal ring wall of annulus guide rail mobile, so that annulus guide rail 3 is rotated by setting speed and direction,The foot type being fixedly connected with annulus guide rail 3 scanning column 2 is driven to do circle rotation movement in turn.
Motor 4 drives annulus guide rail 3 to rotate by setting speed and direction in the case where measurement Control card 6 controls, and then drivesFoot type scans 2 rotary motion of column.
Pressure measurement plate 5 embeds the centre for being mounted on rack base 101, table on upper surface ledges frame pedestal 101Face 3mm, pressure measurement plate 5 use plug-in type modularized design, and the upper surface of pressure measurement plate 5 is equipped with dot matrix pliable pressureSensor detects the plantar nervous arch data of object to be swept, and can select 4 points/square centimeter or more according to customer requirementPliable pressure sensor, pliable pressure sensor is by printing molding silver wire band connection to measuring Control card 6 with realityThe acquisition transmission of existing plantar nervous arch data.
As shown in Fig. 2, measurement Control card 6 includes FPC connector 61, data acquisition module 62, high speed data transfer mouldBlock 63, cache module 64, central processing unit 65, power management module 66 and onboard data line 67, wherein FPC connector 61 willSilver wire band on pressure measurement plate 5 is stuck on measurement Control card 6, so that the transducing signal on pressure measurement plate 5 be transmittedInto measurement Control card 6,220V voltage is converted into the operating voltage of scanner, data acquisition module by power management module 6662 control 2 3D true feeling camera module acquisition 3 d image datas, control pressure measurement plates 5 respectively acquires plantar nervous archData simultaneously carry out analog-to-digital conversion;3 d image data and plantar nervous arch data after the caching analog-to-digital conversion of cache module 64;Central processing unit 65 pretreatment such as is denoised, is encoded to 3 d image data and plantar nervous arch data;High-speed data passesPretreated 3 d image data and plantar nervous arch data are transferred to interaction by onboard data line 67 by defeated module 63Processing terminal 7.Neonychium 8 uses 1mm thickness black silicagel pad, is covered on the upper surface of pressure measurement plate 5, thereon surface printing stationVertical station location marker is measured with prompting user's standing that foot is stepped down in this position.Interaction process terminal 7 is installed by plugging modeOn the operation bench 103 of vertical manipulation rack 1, laptop, tablet computer or industrial personal computer can be.
As shown in figure 3, the present invention provides the working method of Rotary three-dimensional foot type and plantar pressure scanner, workMethod the following steps are included:
Step 101: circumscripted power line plugs electricity, presses the switch button 11 on scanner, scanner powers on and self-test;
Step 102: opening the test analysis software being mounted in interaction process terminal 7, select self calibration button, scannerInto self-calibration mode, the foot type scanning column 2 on scanner is rotated around 101 lateral surface steady circular of rack base to scan and protectProtection pad 8, top 3D true feeling camera module 201 obtain the image data of neonychium 8, and self-calibration routines calculate in neonychium 8Heart coordinate and area, then compare initial center coordinate and area come calibrate upper and lower part 3D true feeling camera module focal length,The inside and outside parameters such as origin, distortion parameter and calibration object world coordinates;
Step 103: enter user's log-in interface, new user registers first, inputted in interaction process terminal 7 user name,The essential informations such as gender, date of birth, height, weight simultaneously save, and enter back into scan pattern, and existing subscriber selects user name to log inEnter scan pattern afterwards;
Step 104: after entering scan pattern, user takes off footgear, and strip plays the bottom of s trouser leg, and both feet are separately stood in scanner naturallyAt the standing place mark of 101 neonychium 8 of rack base, start to measure, the foot type scanning column 2 on scanner surrounds rack base101 lateral surface uniform rotation one week, the upper and lower part 3D true feeling camera module collaborative work of foot type scanning column 2 obtains when rotationThe 3 d image data for taking family biped is mounted on the synchronous foot for obtaining user of pressure measurement plate 5 of 101 centre of rack baseBottom pressure distributed data;
Step 105: the data acquisition module 62 in measurement Control card 6 acquires 3 d image data and plantar nervous archData simultaneously carry out analog-to-digital conversion, 3 d image data and plantar nervous arch data after the caching analog-to-digital conversion of cache module 64,Central processing unit 65 such as is denoised to data and is encoded at the pretreatment, and high speed data transfer module 63 leads to pretreated dataIt crosses onboard data line 67 and is transferred to interaction process terminal 7;
Step 106: interaction process terminal 7 stores data by test analysis software after receiving data, edits, calculatesDeng processing, pass through the 3-D image number at the instep, side and gap of fusion upper and lower part 3D true feeling camera module acquisitionAccording to the three-dimensional foot type for reconstructing user, crucial three peacekeeping plantar pressure characteristic parameter of foot is extracted;
Step 107: interaction process terminal 7 visualizes the key characterization parameter of three-dimensional foot type and extraction, storage result,Result can also be externally shared by network interface 9 or usb 10.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodimentAll details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present inventionPrinciple and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is onlyIt is limited by claims and its full scope and equivalent.