CN210492882U - Three-dimensional scanning platform and three-dimensional scanning system - Google Patents
Three-dimensional scanning platform and three-dimensional scanning system Download PDFInfo
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- CN210492882U CN210492882U CN201921013832.1U CN201921013832U CN210492882U CN 210492882 U CN210492882 U CN 210492882U CN 201921013832 U CN201921013832 U CN 201921013832U CN 210492882 U CN210492882 U CN 210492882U
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Abstract
The utility model relates to a three-dimensional scanning platform and three-dimensional scanning system. The three-dimensional scanning platform is in including the bearing light-passing board that is used for putting the target object that awaits measuring, sets up the bearing light-passing board is kept away from the target object that awaits measuring and is put the reflector of one side, and sets up the bearing light-passing board is kept away from the target object that awaits measuring and is put at least one front reflection of light marking point and at least one reverse side reflection of light marking point of one side, the reflection of light face orientation of front reflection of light marking point the target object that awaits measuring puts one side, the reflection of light face orientation of reverse side reflection of light. The three-dimensional scanning system of the utility model facilitates the data acquisition process of the target object to be detected, and the data acquisition becomes accurate; and simple structure, low in cost, light in weight easily carries and carries, and it is nimble convenient to use, and cost of maintenance is low, is applicable to multiple space size scene.
Description
Technical Field
The utility model relates to a three-dimensional scanning platform and three-dimensional scanning system.
Background
With the development of social economy and the improvement of the consumption level of people, the demand of people on the personalized customization of wear is increasingly remarkable. Particularly, along with the increasingly popular concept of sports health, the requirement of people on the comfort of shoes worn on feet for a long time is higher and higher. In order to be able to produce a fitted shoe, accurate measurements of the human foot are required. However, the traditional measurement usually adopts manual measurement, lacks description of overall characteristic information of foot form, and depends too much on personal experience and technical level of measurement personnel, and has the defects of high labor intensity, low efficiency, poor accuracy, high cost and the like, thereby restricting the development of the personalized customized shoe industry.
With the development of the measurement technology, a foot three-dimensional scanner using the technical means such as a scanning technology, a photographing synthesis technology and the like appears, and the accuracy and the integrity of measured data are remarkably improved. However, the prior art foot three-dimensional scanner has the following defects: 1. a plurality of scanning heads with different azimuth angles are required to obtain the whole foot data, so that the number of parts is large, the manufacturing cost of the instrument is high, and the structure is complex; 2. the scanning head of the scanner is directly connected to the scanning platform, the whole scanner has complex structure, large volume, heavy weight, inconvenient transportation and use and high maintenance cost; 3. the whole scanning platform is of an open structure, so that when the scanner works under the conditions of humidity and dust, the scanning efficiency and the scanning precision are not high, and the service life of the scanner is shortened.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a three-dimensional scanning platform and a three-dimensional scanning system to improve the above problems.
One of the purposes of the utility model is to provide a three-dimensional scanning platform, three-dimensional scanning platform sets up including the bearing light-passing board that is used for putting the target object of awaiting measuring the bearing light-passing board is kept away from the target object of awaiting measuring and is put the reflector of one side, and sets up the bearing light-passing board is kept away from the target object of awaiting measuring and is put at least one front reflection of light marking point and at least one reverse side reflection of light marking point of one side, the reflection of light face orientation of front reflection of light marking point the target object of awaiting measuring is put one side, the reflection of light face orientation of reverse side reflection of light marking point.
When the front side is scanned, the back side light reflecting mark points do not reflect light and can not acquire images, the front side light reflecting mark points are arranged on the bearing light-transmitting plate and can reflect light to acquire images, and three-dimensional data of the outer side of the foot can be acquired at the moment.
When the back side scanning is carried out, images in the reflector are required to be scanned, the front side light reflecting mark points do not reflect light at the moment, the images cannot be obtained, the back side light reflecting mark points are arranged on the bearing light-transmitting plate, the back side light reflecting mark points can reflect light to obtain the images, and the back side light reflecting mark points and the reflector can cooperatively collect and obtain the three-dimensional data of the sole.
In the three-dimensional scanning measurement process, geometric data of a product cannot be measured at one time under the same coordinate system, and therefore coordinate normalization is necessary, and the process is called relocation of measurement data, namely three-dimensional data splicing. In the splicing algorithm, the accuracy of splicing can be ensured only by finding the correct matching of the mark points. Carry out three-dimensional data concatenation construction in-process, positive reflection of light mark point and reverse reflection of light mark point can form mark point space coordinate system, and this coordinate system aims at utilizing different space planes to correspond characteristic mark point and match, realizes the concatenation of positive scanning data and reverse scanning data, finally forms complete three-dimensional model. The splicing process of the three-dimensional model is greatly simplified, and the splicing result is more accurate.
Preferably, the front side reflective mark points and the back side reflective mark points are both adhered and fixed on the inner plane of the load-bearing light-transmitting plate.
Preferably, the front side reflective mark points and the back side reflective mark points are alternately arranged at intervals and jointly enclose a target object measuring area to be measured.
Preferably, the object to be measured is a foot.
Preferably, the target object measuring area to be measured is a foot-shaped measuring area.
More preferably, the foot shape measurement zone is a bipedal measurement zone.
Setting a proper number of front side reflective mark points and back side reflective mark points according to the actual size of the load-bearing light-transmitting plate, and more preferably, 40-60 front side reflective mark points; the number of the reverse side reflective mark points is 50-60.
Preferably, the shape of the front and back reflective marking points is circular or other shapes.
More preferably, the front reflective mark points and the back reflective mark points are circular coatings, the inner circle is made of reflective materials, the outer circle is made of black ink, the diameter range of the inner circle is 3-15mm, and the diameter range of the outer circle is 10-25 mm.
More preferably, the front side reflective mark points and the back side reflective mark points are circular coatings, the inner circle part of the front side reflective mark points is made of reflective materials, the outer circle of the front side reflective mark points is black ink, the black ink is coated with glue, the inner diameter of the black ink is 3mm, the outer diameter of the black ink is 10mm, and the back side of the front side reflective mark points is 3M primer; the shape of the reverse side light-reflecting mark points is also a circular coating, the inner circle part of the front side of the reverse side light-reflecting mark points is made of light-reflecting materials, the outer circle of the front side of the reverse side light-reflecting mark points is black printing ink, the black printing ink is free of glue, the inner diameter of the black printing ink is 3mm, the outer diameter of the black printing ink is 7mm, and the reverse side of the reverse side light-.
Preferably, the front side reflective mark points and the back side reflective mark points are transferred and fixed on the inner plane of the load-bearing light-transmitting plate through the transfer film.
By setting the measuring area, the measured person can accurately step in the measuring area, the measuring and adjusting process is omitted, the later data processing amount is reduced, and the scanning accuracy is improved; meanwhile, after standing in the measurement area, the measured person can simultaneously acquire the three-dimensional data of the outer side of the foot and the sole of the foot under the condition that the foot is not moved, so that the data error of repeated acquisition is avoided, the measurement speed is higher, and the accuracy is higher. The arrangement of the double-foot measuring area can realize the simultaneous measurement of the data of the double feet, and further improve the scanning work efficiency.
Preferably, the mirror is parallel to the load-bearing light-transmitting panel.
Preferably, the material of the load-bearing light-transmitting plate is toughened glass, acrylic (PMMA), Polycarbonate (PC) and other materials with strong durability and light transmittance.
The load-bearing light-transmitting plate has certain load bearing performance, namely can bear the weight of a target object to be measured, and also has good light transmission performance, so that a sole image can be clearly reflected in the reflector.
Preferably, a closed form is designed between the load-bearing light-transmitting plate and the reflecting mirror of the three-dimensional scanning platform.
The three-dimensional scanning platform with the closed structure has good environmental adaptability, can prevent water vapor and dust from entering the scanning platform when working in a humid and dust-rich environment, ensures the scanning efficiency and precision, and prolongs the service life of equipment.
Preferably, the three-dimensional scanning platform further comprises a support frame for supporting the load-bearing light-transmitting plate and the reflecting mirror.
More preferably, the top of the support frame is provided with an opening for accommodating the load-bearing light-transmitting plate, the opening is provided with a step, and the load-bearing light-transmitting plate is placed on the step; the bottom of the support frame is provided with a recess for accommodating the light reflecting structure.
For the three-dimensional scanning platform to be more pleasing to the eye, preferably, bearing light-transmitting board upper surface is the same level with support frame upper end face.
More preferably, black printing ink is printed on the plane of the fixed connection position of the load-bearing light-transmitting plate and the support frame in a silk-screen mode.
In order to acquire and obtain the sole image in the reflector, a certain distance is required between the load-bearing light-transmitting plate and the reflector. The support frame can be arranged to enable the bearing light-transmitting plate and the reflector to be separated by a certain spacing distance, and the spacing distance is 40-50 mm.
Preferably, the support frame is an integrally formed support frame or a split assembly type support frame.
The support frame is arranged into an integrally formed structure, so that the connection gap on the integral structure of the three-dimensional scanning platform can be reduced, and the integral sealing effect of the three-dimensional scanning platform is better; and set up the support frame into split type package assembly, be favorable to three-dimensional scanning platform's dismouting to and platform inner structure maintains.
Preferably, the split assembly type support frame comprises an upper support, a lower support and a support connecting piece for connecting the upper support and the lower support.
More preferably, the bracket connection member is a sealing plate, or a combination of a pillar and a sealing plate. The upright post can play a role in reinforcing the support frame.
More preferably, the upright posts are uniformly arranged, the number of the upright posts is 4, and the sealing plate used in combination with the upright posts comprises a first sealing plate and a second sealing plate, and the first sealing plate and the second sealing plate are oppositely arranged.
Preferably, strip grooves are formed in the edge of the lower surface of the upper support, the edge of the upper surface of the lower support and the side edge of the upright post, and the sealing plate is clamped in the strip grooves.
Preferably, the fixed connection mode of the bracket connecting piece and the upper bracket or the lower bracket can also be bonding, screw connection and the like.
More preferably, the connection gap of each spliced part is sealed by silicone rubber. The connecting gap of each splicing part refers to the connecting gap between the upper support, the lower support and the support connecting piece, the connecting gap between the sealing plate and the upright column, and the gap between the bearing light-transmitting plate and the support frame. The sealing treatment further improves the moisture-proof and dust-proof performance of the integral structure of the three-dimensional scanning platform.
Preferably, the three-dimensional scanning platform is square, the lower ends of the upright posts are fixed at four corners of the upper surface of the lower support, and the upper ends of the upright posts are fixed at four corners of the lower surface of the upper support.
More preferably, the upright post is connected with the upper bracket or the lower bracket through a socket head cap screw.
Preferably, the whole three-dimensional scanning platform can be in various shapes such as a circle, an ellipse and the like.
The three-dimensional scanning platforms with different shapes can be suitable for various scenes according to actual space size conditions and field environments, are flexible to use and save space. The three-dimensional scanning platform without sharp corners, such as a circle, an ellipse and the like, also has the beneficial effect of preventing the sharp corners from accidentally injuring people.
Preferably, the three-dimensional scanning platform further comprises a foot pad, and the foot pad is fixedly connected to the lower surface of the support frame.
Preferably, the fixed connection mode of the foot pad and the lower bracket can be a plurality of connection modes such as bonding, screw connection and the like.
More preferably, the foot pads are molded from silicone rubber, and the number of the foot pads is 4. The foot pad has an anti-slip effect.
The utility model discloses the second purpose is to provide a three-dimensional scanning system, including one of purpose three-dimensional scanning platform, signal transceiver and data processing device, signal transceiver is used for transmitting optical signal and gathering from the optical signal of the target object reflection that awaits measuring to the target object that awaits measuring on the bearing light-passing board, data processing device is used for correcting, splices three-dimensional image data.
Preferably, the three-dimensional scanning platform and the signal transceiver are arranged independently.
To sum up, the utility model discloses following positive effect has:
1. the three-dimensional scanning platform and the signal receiving and transmitting device are independently separated, and the three-dimensional scanning platform is simple in structure, low in manufacturing cost, light in weight, easy to carry and carry, flexible and convenient to use, low in maintenance cost and suitable for various space size scenes;
2. the front side reflective mark points and the back side reflective mark points on the three-dimensional scanning platform can form a mark point space coordinate system, and the matching of the corresponding characteristic mark points of different space planes can realize the splicing of front side scanning data and back side scanning data, thereby greatly simplifying the splicing process of the three-dimensional model and ensuring that the splicing result is more accurate;
3. the scanning platform is sealed in structure, so that when the scanning platform works in a humid and dusty environment, water vapor and dust can be prevented from entering the scanning platform, the scanning efficiency and precision are not influenced, and the service life of an instrument is prolonged;
4. the measured person can accurately step on the measuring area, so that the measuring and adjusting process is omitted, the later data processing amount is reduced, and the scanning accuracy is improved; meanwhile, after standing in the measurement area, the measured person can simultaneously acquire the three-dimensional data of the outer side of the foot and the sole of the foot under the condition that the foot is not moved, so that the data error of repeated acquisition is avoided, the measurement speed is higher, and the accuracy is higher. The arrangement of the double-foot measuring area can realize the simultaneous measurement of the data of the double feet, and further improve the scanning work efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a three-dimensional scanning platform according to embodiment 1;
FIG. 2 is a half sectional view of a three-dimensional scanning platform according to embodiment 1;
FIG. 3 is a front view of the light-reflecting marking points on the load-bearing light-transmitting panel of example 1;
FIG. 4 is a rear view of the light-transmitting load-bearing panel of example 1 with reflective markers;
icon: 100-three-dimensional scanning platform, 1-bearing light-transmitting plate, 2-front light-reflecting mark points, 3-back light-reflecting mark points, 4-upper support, 5-first sealing plate, 6-second sealing plate, 7-upright post, 8-reflector, 9-lower support, 10-foot pad, 11-double-sided foam cotton glue, 12-silicon rubber, 13-double-foot measuring area and 14-black silk-screen area.
Detailed Description
The technical solution of the present invention is further described below by the following detailed description and the accompanying drawings.
Example 1
Fig. 1 is embodiment 1 three-dimensional scanning platform's structural schematic diagram, as shown in fig. 1, three-dimensional scanning platform, including bearing light-passing board 1, positive reflection of light mark point 2, reverse side reflection of light mark point 3, upper bracket 4, first closing plate 5, second closing plate 6, stand 7, reflector 8, lower carriage 9, callus on the sole 10.
The reflector 8 is fixed in the inner plane sunken type recess on the lower support 9 through the double-faced foam cotton 11 to generate a mirror image three-dimensional image of the sole, and the scanning head can scan the mirror image of the sole to form an image. The reflector 8 is parallel to the bearing light-transmitting plate 1, and the vertical distance between the reflector 8 and the bearing light-transmitting plate 1 is 47.5 mm. Further, the distance may be 45mm, 46mm, 48mm, 49mm, 50 mm.
Furthermore, the whole scanning platform can be designed into various shapes such as a circle, an ellipse and the like according to the requirements of actual use scenes.
The utility model provides a leg joint spare in 1 is the combination of stand and closing plate, 47 equipartitions of stand are on four peripheral right angles of lower carriage 9, through hexagon socket head cap screw, are in the same place upper bracket 4, stand 7 and lower carriage 9 are fixed. Furthermore, the 4 columns 7 can be fixedly connected with the upper bracket 4 and the lower bracket 9 by means of strong bonding, screw connection and the like.
The upper edge of the lower support 9, the side edge of the upright post 7 and the lower edge of the upper support 4 are provided with strip-shaped grooves, and the first sealing plate 5 and the second sealing plate 6 are clamped in the small grooves. The peripheral areas of the first and second sealing plates 5 and 6, which are in contact with the upper rack 4, the pillar 7, and the lower rack 9, are sealed with silicone rubber 12, as shown in fig. 2, thereby providing moisture and dust resistance.
Further, the bracket connection member may also be composed of only the sealing plate. The sealing plate and the upper bracket 4 and the lower bracket 9 can be fixedly connected with each other by clamping, strong bonding, screw connection and the like.
Furthermore, the whole support frame composed of the upper support frame 4, the first sealing plate 5, the second sealing plate 6, the upright post 7 and the lower support frame 9 can also be an integrally formed structure.
The front side reflective mark points 2 and the back side reflective mark points 3 are pasted on the inner plane of the bearing light-transmitting plate 1, before pasting, the front side reflective mark points 2 and the back side reflective mark points 3 are respectively fixed on two transfer films and are transferred and fixed on the inner plane of the bearing light-transmitting plate 1 through the transfer films. The front light-reflecting mark points 2 and the back light-reflecting mark points 3 are staggered at intervals and uniformly arranged, and jointly enclose a two-foot measuring area 13, fifty-eight front light-reflecting mark points 2 and fifty-four back light-reflecting mark points 3 are shown in fig. 3 and 4. The front light-reflecting mark points 2 are circular coatings, the inner diameter of each front light-reflecting mark point is 3mm, the outer diameter of each front light-reflecting mark point is 10mm, the inner circle part of the front of each front light-reflecting mark point 2 is made of light-reflecting materials, the outer circle of each front light-reflecting mark point is made of black ink, the black ink is coated with glue, and the reverse side of each front light-reflecting mark point 2 is made. The shape of the reverse side reflective mark points 3 is a circular coating, the inner diameter is 3mm, the outer diameter is 7mm, the inner circle part of the reverse side reflective mark points 3 on the front side is made of reflective materials, the outer circle is made of black ink, the black ink is free of glue, and the reverse side of the reverse side reflective mark points 3 is made of 3M base glue.
The foot pad 10 is fixed on the outer plane of the lower support 9 through double-sided paper adhesive, so that the whole platform is kept stable in level, and the foot pad is formed by molding silicon rubber and has an anti-skidding effect.
The utility model discloses not only can be used to the three-dimensional scanning of foot, also can be used to the three-dimensional scanning of other objects, as long as will await measuring the object and put in the measurement area, can accomplish the scanning according to above-mentioned operation.
The utility model discloses scanning system includes above-mentioned three-dimensional scanning platform, hand-held type laser three-dimensional scanner and data processor. The specific scanning method comprises the following steps that a foot of a measured person is placed on a load-bearing light-transmitting plate 1, the measuring person holds a handheld laser three-dimensional scanner, and firstly, three-dimensional data on the outer side of the foot is obtained by rotating and scanning around the foot of the measured person; the image of the sole is reflected in the reflector, and the measurer scans the image in the reflector to obtain three-dimensional data of the sole, i.e. complete the scanning of the whole foot.
The utility model discloses three-dimensional model image concatenation method as follows, overturns the plantar three-dimensional image who acquires, according to the mark point space coordinate system that positive reflection of light mark point and reverse reflection of light mark point formed, utilizes different space planes to correspond the characteristic mark point and matches, realizes the concatenation, the correction and the fusion of positive scanning data and reverse scanning data, finally forms complete three-dimensional model.
The utility model discloses not only can be used to the three-dimensional scanning of foot, also can be used to the three-dimensional scanning of other objects, as long as will await measuring the object and put in the measurement area, can accomplish the scanning according to above-mentioned operation.
The applicant states that the present invention is described in detail by the above embodiments, but the present invention is not limited to the above detailed structure, i.e. the present invention can be implemented only by relying on the above detailed structure. It should be clear to the skilled person in the technical field to any improvement of the utility model, to the utility model discloses the equivalent replacement of each part of product and the interpolation of auxiliary component etc. all fall within the scope of protection and the disclosure scope of the utility model.
Claims (14)
1. The utility model provides a three-dimensional scanning platform, its characterized in that, is including the bearing light-passing board that is used for putting the target object of awaiting measuring, sets up the bearing light-passing board is kept away from the target object of awaiting measuring and is put the reflector of one side, and sets up the bearing light-passing board is kept away from the target object of awaiting measuring and is put at least one front reflection of light marking point and at least one reverse side reflection of light marking point of one side, the reflection of light face orientation of front reflection of light marking point the target object of awaiting measuring is put one side, the reflection of light face orientation of reverse side reflection of light.
2. The three-dimensional scanning platform according to claim 1, wherein the front reflective mark points and the back reflective mark points are alternately arranged at intervals and jointly define a target object measurement area to be measured.
3. The three-dimensional scanning platform of claim 2, wherein the target object measurement area is a foot-shaped measurement area;
the foot shape measuring area is a double-foot measuring area.
4. The three-dimensional scanning platform according to claim 1, wherein the bearing light-transmitting plate and the reflective mirror of the three-dimensional scanning platform are designed to be sealed.
5. The three-dimensional scanning platform of claim 1, further comprising a support frame for supporting the load-bearing light-transmitting panel and the reflective mirror.
6. The three-dimensional scanning platform according to claim 5, wherein the top of the supporting frame has an opening for receiving a load-bearing light-transmitting plate, the opening is provided with a step, and the load-bearing light-transmitting plate is placed on the step; the bottom of the support frame is provided with a recess for accommodating the light reflecting structure.
7. The three-dimensional scanning platform of claim 5, wherein the support frame is an integrally formed support frame or a separately assembled support frame.
8. The three-dimensional scanning platform according to claim 7, wherein the split assembly type supporting frame comprises an upper bracket, a lower bracket and a bracket connecting piece for connecting the upper bracket and the lower bracket.
9. The three-dimensional scanning platform according to claim 8, wherein the bracket connection member is a sealing plate, or a combination of a pillar and a sealing plate.
10. The three-dimensional scanning platform according to claim 9, wherein the lower surface edge of the upper frame, the upper surface edge of the lower frame, and the side edges of the pillars are provided with strip grooves for engaging with the sealing plate.
11. The three-dimensional scanning platform of claim 10, wherein the bearing surface of the load-bearing light-transmitting plate of the scanning platform is square, the lower ends of the pillars are fixed at four corners of the upper surface of the lower frame, and the upper ends of the pillars are fixed at four corners of the lower surface of the upper frame.
12. The three-dimensional scanning platform according to any one of claims 5 to 11, further comprising a foot pad adhered to a lower surface of the support frame.
13. A three-dimensional scanning system, comprising the three-dimensional scanning platform according to any one of claims 1 to 12, a signal transceiver for transmitting optical signals to an object to be measured on a load-bearing light-transmitting plate and collecting the optical signals reflected from the object to be measured, and a data processing device for correcting and splicing three-dimensional image data.
14. The three-dimensional scanning system of claim 13, wherein the three-dimensional scanning platform is independent of the signal transceiver.
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| CN201921013832.1U CN210492882U (en) | 2019-07-02 | 2019-07-02 | Three-dimensional scanning platform and three-dimensional scanning system |
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| CN201921013832.1U CN210492882U (en) | 2019-07-02 | 2019-07-02 | Three-dimensional scanning platform and three-dimensional scanning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110192692A (en) * | 2019-07-02 | 2019-09-03 | 先临三维科技股份有限公司 | Three dimensional scanning platform, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110192692A (en) * | 2019-07-02 | 2019-09-03 | 先临三维科技股份有限公司 | Three dimensional scanning platform, system and method |
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