CN104983445A - Interactive 3D scanning system for measuring height of human body based on ultrasonic waves and scanning method thereof - Google Patents
Interactive 3D scanning system for measuring height of human body based on ultrasonic waves and scanning method thereof Download PDFInfo
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Abstract
The invention discloses an interactive 3D scanning system for measuring the height of a human body based on ultrasonic waves and a scanning method thereof, wherein the interactive 3D scanning system comprises a server, a handheld terminal, a PC (personal computer), an MCU (microprogrammed control unit) chip, a weighing sensor, an ultrasonic distance measuring module, a turntable module and a camera module, wherein the handheld terminal is connected with the PC and sends a scanning command to the PC, and the MCU chip is connected with the PC; the weighing sensor, the ultrasonic ranging module, the turntable module and the camera module are respectively connected with the MCU chip; the 3D scanning method comprises the following steps: the handheld terminal sends a scanning command to the PC; the PC sends a human body data acquisition command to the MCU chip; the MCU chip sends the data back to the PC; the PC sends a scanning command to the MCU chip; the MCU chip controls the camera and the turntable to cooperatively move for scanning, and scanning information is sent to the PC; generating a three-dimensional model by a PC (personal computer); the hand-held terminal accesses the three-dimensional model stored on the server of the PC. The invention has high function integration level, high equipment control precision and low error rate.
Description
Technical field
The present invention relates to 3D and scan field, refer in particular to a kind of interactive 3D scanning system based on ultrasound Human Height and scan method thereof.
Background technology
3D scanning technique is an emerging technology, it is a kind of fundamental technology technology, after obtaining three-dimensional data by 3D scanning, can be animation, game, 3D printing etc. provides technical support, obtained the three-dimensional data of object with scanning fast accurate by 3D, generating three-dimensional models, can be used for the model such as animation, game, greatly reduce the manufacture difficulty of animation and game, meanwhile, as the front-end technology that 3D prints, obtain object dimensional data by 3D scanning, three-dimensional data is delivered to 3D printer and can prints respective objects.
Human body 3D scanning technique is namely by being exclusively used in body scans by 3D scanning, to set up complete, meticulous human 3d model, 3D scanning technique needs human body 360 ° of comprehensive scannings, therefore rotation sweep photographic head or human body is needed, to carry out comprehensive to a certain At The Height of human body, meanwhile, need at vertical direction dollying head, to scan the differing heights of human body, based on this principle, the structure that the general rotary turnplate of existing 3D scanning device combines with photographic head vertical motion, as the Chinese utility model patent " the 3D scanning means with anti-skidding rotating circular disk " of Authorization Notice No. to be the Chinese utility model patent " a kind of 3D scanning means " of CN 204494008 U and Authorization Notice No. be CN 204484065 U, above-mentioned two sections of open source literatures disclose a kind of structure of 3D scanning means, also implied human body rotating simultaneously, the 3D scanning process of photographic head vertical motion, these two patents essentially disclose apparatus structure design, specifically whole device 3D scan method is not disclosed, to 3-D view scanning theory, the generative processes of 3-D view etc. all do not have open.
Authorization Notice No. be the Chinese utility model patent " a kind of intelligent 3D scanner " of CN 204244331 U same disclose a kind of scanner with rotational structure, distinguish part with two parts of patented technologies to be above, its scanning means direction of motion replaces with transverse direction by vertical direction, and device is not exclusively used in body scans, be mainly used in the scanning of other objects, its technological core adopted irradiates object to be scanned by light beam generator emission of light, intelligent terminal's photographic head receives the postradiation subject image of light, then computing is carried out to the luminous point on image, obtain the some cloud information of body surface, the 3D model data of object is obtained after some cloud information processes, this device has corresponding open to scanning theory, but adopts the scanning process of light and the information processing of some cloud, and need to be equipped with special light emitters, during scanning, light environment requires very high to external world, and be easily affected by the external environment, its scanning accuracy is low, in addition, the luminous point of generation contains much information, and equipment operand is large, and high to equipment requirements, therefore its poor practicability, does not possess actual promotional value.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, there is provided a kind of combined function integrated level high, equipment control accuracy is high, and error rate is low, can realize the interactive 3D scanning system based on ultrasound Human Height and the scan method thereof of fast accurate scanning.
The technical scheme that the present invention takes is as follows: a kind of handheld terminal based on ultrasound Human Height and the interactive 3D scanning system of PC, comprise server, handheld terminal, PC, MCU chip, LOAD CELLS, ultrasonic distance measuring module, turntable module and camera module, wherein, above-mentioned handheld terminal is connected with PC, send scan command to PC, MCU chip is connected with PC by serial communication module; Above-mentioned LOAD CELLS, ultrasonic distance measuring module, turntable module and camera module are connected with MCU chip respectively.
Preferably, described handheld terminal is connected by the first link block with PC, to carry out exchanges data, the first link block is the one in USB module and WIFI module; Above-mentioned PC is connected with the interior serial communication module be located in MCU chip by the second link block, and the second link block is USB module; PC is connected with scan camera shooting head by the 3rd link block, and the 3rd link block is USB module.
Preferably, described MCU chip is connected with LOAD CELLS, camera module and turntable module respectively by HX711 chip, MC33886 chip and BST7970 chip, and ultrasonic distance measuring module is connected with MCU chip by CON4 interface; Described turntable module comprises interconnective rotary tray motor driver module and rotating disk, camera module comprises interconnective photographic head motor drive module and scan camera shooting head, wherein, rotary tray motor driver module and photographic head motor drive module form motor drive module, motor drive module is connected with MCU chip by photoelectric isolation module, is passed to MCU chip with the interfering signal preventing photographic head motor and rotary tray motor from producing.
Preferably, described photographic head motor drive module is connected with limit switch module, limit switch module is arranged on the end of cam movement track, and be connected with MCU chip, so that by cam movement to the signal transmission of track end to MCU chip, MCU chip sends photographic head stop signal to photographic head motor drive module, makes the stop motion of scan camera shooting head.
Preferably, described rotary tray motor driver module is connected with Hall speed measuring module, and Hall speed measuring module is connected with MCU chip, to detect the rotating speed of rotary tray motor in real time, and rotary speed information is passed to MCU chip, rotary speed is adjusted to preset value according to rotary speed information by MCU chip in real time.
Preferably, described ultrasonic distance measuring module is arranged on directly over rotating disk, the height of distance rotating disk is H, person to be scanned stands on rotating disk, ultrasonic distance measuring module sends by recording ultrasonic head and receives hyperacoustic time difference t, and according to ultrasound wave spread speed v in atmosphere, calculate the distance S1 between ultrasonic head and person's head to be scanned, human height S2 is obtained by H-S1, and S2 is passed to MCU chip, sent control information to photographic head motor drive module by MCU chip, so that the scanning elemental height of gated sweep photographic head 06 is S2.
Preferably, described LOAD CELLS is weighing scale module, the chip of weighing scale module is HX711, HX711 chip passes through A+ interface, A-interface, B+ interface and B-interface connect gravity sensor interface CON6, gravity sensor interface CON6 is connected with gravity sensor, gravity sensor is arranged on rotating disk, person to be scanned stands on rotating disk, the weight information of person to be scanned is responded to by gravity sensor, and information is passed to HX711 chip, MCU chip is passed to through HX711 chip, MCU chip calculates Human Height body weight fat percentage according to human height S2 and weight information.
Preferably, described power module comprises the first power conversion chip LM2576 and the second source conversion chip ASM1117 of series connection mutually, the access voltage of the first power conversion chip LM2576 is 12V, output voltage is 5V, the access voltage of second source conversion chip ASM1117 is 5V, and output voltage is 3V; Above-mentioned MCU chip is held with the VCC-3V3 of power module and is connected; U3, U4, U5 chip of photoelectric isolation module is held with the VCC-3V3 of power module respectively and VCC-5V holds to be connected in U3, U4, U5 and establishes LED and photoinduction switch, form physics isolation structure, photographic head motor drive module and rotating disk driver module connect IN2, IN3 and IN3 port of U3, U4 and U5 respectively, U3, U4 and U5 A0, A1 and A3 port be connected with MCU chip, the interfering signal that prevents photographic head motor rotary tray motor from producing by physical isolation structure interference MCU chip; Above-mentioned photographic head motor drive module and rotary tray motor driver module are held with the VCC-12V of power module respectively and are connected; Above-mentioned serial communication module is held with the VCC-5V of power module and is connected; Above-mentioned weighing scale module is held with the VCC-5V of power module and is connected; Above-mentioned limit switch module is held with the VCC-3V3 of power module and is connected; Above-mentioned Hall speed measuring module and ultrasonic wave module are held with the VCC-3V3 of power module respectively and are connected.
Based on handheld terminal and the interactive 3D scan method of PC of ultrasound Human Height, comprise the following steps:
A), handheld terminal sends scan command to PC;
B), PC sends to MCU chip and gathers somatic data order;
C), the somatic data collected is sent back to PC by MCU chip;
D), PC sends scan command to MCU chip;
E), MCU chip controls photographic head and rotating disk synergy movement, acquisition Whole Body 360 ° of images, and scanning information is sent to PC;
F), PC generating three-dimensional models, and the threedimensional model of generation is sent to PC server;
G), handheld terminal accesses the threedimensional model that the server of PC stores.
Preferably, described step B comprises step B1, step B2 and step B3, wherein, step B1 is that MCU sends the order of weigher survey height respectively to weighing scale module machine ultrasonic wave module, step B2 is that ultrasonic wave module surveys Human Height, and Human Height information will be recorded beam back MCU chip, step B3 is that weighing scale module surveys body weight, and will record body weight information and send back to MCU chip; Described step D comprises step D1, step D2 and step D3, wherein, step D1 is that MCU chip transmission scanning is novel to motor drive module, carry out body scans, step D2 is that photographic head motor drive module drives scan camera shooting head progressively to move downward along the human body crown, and step D3 is that rotary tray motor driver module drives human body at the uniform velocity to rotate.
Beneficial effect of the present invention is:
The defect and the deficiency that the present invention is directed to prior art existence carry out reformed AHP, structure utilizes the Scan Architecture of existing band rotary turnplate and photographic head vertical motion, human body rotates by standing in transport in rotary turnplate, and meanwhile, photographic head vertical motion is to carry out human body 3D scanning, simultaneously, the integrated handheld terminal of the present invention, PC, server and MCU chip, form the 3D scanning system of complete set, MCU chip connects power module, serial communication module, ultrasonic distance measuring module, limit switch module, photoelectric isolation module, motor drive module, limit switch module, weighing scale module and Hall speed measuring module, integrated scan software end in PC, during work, human body station is in rotary turnplate, rotary turnplate and scan camera shooting head all remain static, handheld terminal sends scan command to PC, scan command is passed to MCU chip by PC, MCU chip sends respectively surveys height and body weight order to ultrasonic distance measuring module machine weighing scale module, ultrasound wave is sent by the ultrasonic transmitter-receiver being arranged on human body top, ultrasonic emitting returns after running into human body obstruction, stop in time after the data that the ultrasonic distance measuring module record shortest time returns receiving, and by this shortest time record, this shortest time is the time of ultrasound wave through returning apart from the shortest human body crown of ultrasonic transmitter-receiver distance, the aerial spread speed of ultrasound wave is fixed, therefore Negotiation speed and time can obtain the distance between the distance ultrasound wave transceiver of the human body crown, deduct this distance by hyperacoustic setting height(from bottom) and can calculate human height, the height of calculating is sent to MCU chip by ultrasonic distance measuring module, simultaneously, the body weight data recorded are sent to MCU chip by weighing scale module, form Human Height body weight information, this information is sent to PC by MCU chip, this is one of beneficial effect of the present invention.
In addition, the elevation information that ultrasonic distance measuring module records is recorded in MCU chip, after PC recipient volume data information, send scan command to MCU chip, corresponding control information is sent to motor drive module by MCU chip, first, MCU chip transmission order and Human Height data are to webcam driver module, webcam driver module drive photographic head motor movement, make cam movement to the human body top of the head, achieve the precise positioning of photographic head, avoid photographic head from the scanning dead band formed higher than scanning the human body top of the head, and avoid photographic head from lower than scanning the incomplete situation of the scan model caused the human body top of the head, substantially increase the control accuracy of equipment, improve sport efficiency, this is beneficial effect two of the present invention.
After photographic head has been located, MUC chip sends scanning information to rotary tray motor driver module, rotary tray motor driver module drives rotary tray motor at the uniform velocity to rotate according to pre-set rotating speed, and drive human body with dial rotation, photographic head starts in the vertical direction and from top to bottom moves, and progressively carries out body scans; Limit switch module is provided with at the end of cam movement track, when cam movement is to track end and human body sole horizontal level, the limit switch of the sliding panel physical impacts limit switch module of photographic head is installed, limit switch is disconnected in time, video camera motor circuit is cut off in time, thus achieve photographic head accurately controlling in real time from power cut-off of starting working, improve equipment operation and control efficiency, this is beneficial effect three of the present invention.
In addition, luminous point isolation module is provided with between motor drive module of the present invention and MCU chip, the physics partition-type structures of circuit is achieved by luminous point isolation module, can effectively prevent motor drive module because the interfering signal produced during motor rotation is to MCU chip generation interference, ensure that MCU chip totally efficiently works, photoelectric isolation module is by LED and photoelectric sensor switch composition, LED is connected with MCU chip end, photoelectric sensor switch is connected with motor drive module end, during normal work, the light sent by LED makes photoelectric sensor switch keep conducting state, ensure circuit clear, play material isolation effect simultaneously, this is beneficial effect four of the present invention.
Accompanying drawing explanation
Fig. 1 is syndeton schematic diagram of the present invention.
Fig. 2 is circuit module schematic diagram of the present invention.
Fig. 3 is the electrical schematic diagram of MCU chip in Fig. 2.
Fig. 4 is the electrical schematic diagram of photoelectric isolation module in Fig. 2.
Fig. 5 is the electrical schematic diagram of power module in Fig. 2.
Fig. 6 is the electrical schematic diagram of Fig. 2 turntable motor drive module.
Fig. 7 is the electrical schematic diagram of photographic head motor drive module in Fig. 2.
Fig. 8 is the electrical schematic diagram of serial communication module in Fig. 2.
Fig. 9 is the electrical schematic diagram of weighing scale module in Fig. 2.
Figure 10 is the electrical schematic diagram of limit switch in Fig. 2.
Figure 11 is the electrical schematic diagram of Hall speed measuring module in Fig. 2.
Figure 12 is the electrical schematic diagram of ultrasonic wave module in Fig. 2.
Figure 13 is the process step schematic diagram of 3D scan method of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, invention is further described:
As shown in Figures 1 to 12, the technical scheme that the present invention takes is as follows: a kind of handheld terminal based on ultrasound Human Height and the interactive 3D scanning system of PC, comprise server 01, handheld terminal 02, PC 04, MCU chip 08, LOAD CELLS 09, ultrasonic distance measuring module 010, turntable module 011 and camera module 012, wherein, above-mentioned handheld terminal 02 is connected with PC 04, send scan command to PC 04, MCU chip 08 is connected with PC by serial communication module; Above-mentioned LOAD CELLS 09, ultrasonic distance measuring module 010, turntable module 011 and camera module 012 are connected with MCU chip 08 respectively.
Handheld terminal 02 is connected by the first link block 03 with PC 04, to carry out exchanges data, the first link block 03 is the one in USB module and WIFI module; Above-mentioned PC 04 is connected with the interior serial communication module be located in MCU chip 08 by the second link block 07, and the second link block 07 is USB module; It is USB module that PC 04 is connected with scan camera shooting head the 06, three link block 05 by the 3rd link block 05.
MCU chip 08 is connected with LOAD CELLS 09, camera module 012 and turntable module 011 respectively by HX711 chip, MC33886 chip and BST7970 chip, and ultrasonic distance measuring module 010 is connected with MCU chip 08 by CON4 interface; Described turntable module 010 comprises interconnective rotary tray motor driver module and rotating disk, camera module comprises interconnective photographic head motor drive module and scan camera shooting head 06, wherein, rotary tray motor driver module and photographic head motor drive module form motor drive module, motor drive module is connected with MCU chip 08 by photoelectric isolation module, is passed to MCU chip 08 with the interfering signal preventing photographic head motor and rotary tray motor from producing.
Photographic head motor drive module is connected with limit switch module, limit switch module is arranged on the end of cam movement track, and be connected with MCU chip 08, so that by cam movement to the signal transmission of track end to MCU chip 08, MCU chip 08 sends photographic head stop signal to photographic head motor drive module, makes the stop motion of scan camera shooting head.
Rotary tray motor driver module is connected with Hall speed measuring module, Hall speed measuring module is connected with MCU chip, to detect the rotating speed of rotary tray motor in real time, and rotary speed information is passed to MCU chip 08, rotary speed is adjusted to preset value according to rotary speed information by MCU chip 08 in real time.
Ultrasonic distance measuring module 010 is arranged on directly over rotating disk, the height of distance rotating disk is H, person to be scanned stands on rotating disk, ultrasonic distance measuring module 010 sends by recording ultrasonic head and receives hyperacoustic time difference t, and according to ultrasound wave spread speed v in atmosphere, calculate the distance S1 between ultrasonic head and person's head to be scanned, human height S2 is obtained by H-S1, and S2 is passed to MCU chip 08, sent control information to photographic head motor drive module by MCU chip 08, so that the scanning elemental height of gated sweep photographic head 06 is S2.
LOAD CELLS 09 is weighing scale module, the chip of weighing scale module is HX711, HX711 chip passes through A+ interface, A-interface, B+ interface and B-interface connect gravity sensor interface CON6, gravity sensor interface CON6 is connected with gravity sensor, gravity sensor is arranged on rotating disk, person to be scanned stands on rotating disk, the weight information of person to be scanned is responded to by gravity sensor, and information is passed to HX711 chip, MCU chip 08 is passed to through HX711 chip, MCU chip 08 calculates Human Height body weight fat percentage according to human height S2 and weight information.
Power module comprises the first power conversion chip LM2576 and the second source conversion chip ASM1117 of series connection mutually, the access voltage of the first power conversion chip LM2576 is 12V, output voltage is 5V, and the access voltage of second source conversion chip ASM1117 is 5V, and output voltage is 3V; Above-mentioned MCU chip 08 is held with the VCC-3V3 of power module and is connected; U3, U4, U5 chip of photoelectric isolation module is held with the VCC-3V3 of power module respectively and VCC-5V holds to be connected in U3, U4, U5 and establishes LED and photoinduction switch, form physics isolation structure, photographic head motor drive module and rotating disk driver module connect IN2, IN3 and IN3 port of U3, U4 and U5 respectively, U3, U4 and U5 A0, A1 and A3 port be connected with MCU chip 08, the interfering signal that prevents photographic head motor rotary tray motor from producing by physical isolation structure interference MCU chip 08; Above-mentioned photographic head motor drive module and rotary tray motor driver module are held with the VCC-12V of power module respectively and are connected; Above-mentioned serial communication module is held with the VCC-5V of power module and is connected; Above-mentioned weighing scale module is held with the VCC-5V of power module and is connected; Above-mentioned limit switch module is held with the VCC-3V3 of power module and is connected; Above-mentioned Hall speed measuring module and ultrasonic wave module are held with the VCC-3V3 of power module respectively and are connected.
As shown in figure 13, a kind of handheld terminal based on ultrasound Human Height and the interactive 3D scan method of PC, comprise the following steps:
A), handheld terminal sends scan command to PC;
B), PC sends to MCU chip and gathers somatic data order;
C), the somatic data collected is sent back to PC by MCU chip;
D), PC sends scan command to MCU chip;
E), MCU chip controls photographic head and rotating disk synergy movement, acquisition Whole Body 360 ° of images, and scanning information is sent to PC;
F), PC generating three-dimensional models, and the threedimensional model of generation is sent to PC server;
G), handheld terminal accesses the threedimensional model that the server of PC stores.
Step B comprises step B1, step B2 and step B3, wherein, step B1 is that MCU sends the order of weigher survey height respectively to weighing scale module machine ultrasonic wave module, step B2 is that ultrasonic wave module surveys Human Height, and Human Height information will be recorded beam back MCU chip, step B3 is that weighing scale module surveys body weight, and will record body weight information and send back to MCU chip; Described step D comprises step D1, step D2 and step D3, wherein, step D1 is that MCU chip transmission scanning is novel to motor drive module, carry out body scans, step D2 is that photographic head motor drive module drives scan camera shooting head progressively to move downward along the human body crown, and step D3 is that rotary tray motor driver module drives human body at the uniform velocity to rotate.
Further, structure of the present invention utilizes the Scan Architecture of existing band rotary turnplate and photographic head vertical motion, human body rotates by standing in transport in rotary turnplate, and meanwhile, photographic head vertical motion is to carry out human body 3D scanning, simultaneously, the integrated handheld terminal of the present invention, PC, server and MCU chip, form the 3D scanning system of complete set, MCU chip connects power module, serial communication module, ultrasonic distance measuring module, limit switch module, photoelectric isolation module, motor drive module, limit switch module, weighing scale module and Hall speed measuring module, integrated scan software end in PC, during work, human body station is in rotary turnplate, rotary turnplate and scan camera shooting head all remain static, handheld terminal sends scan command to PC, scan command is passed to MCU chip by PC, MCU chip sends respectively surveys height and body weight order to ultrasonic distance measuring module machine weighing scale module, ultrasound wave is sent by the ultrasonic transmitter-receiver being arranged on human body top, ultrasonic emitting returns after running into human body obstruction, stop in time after the data that the ultrasonic distance measuring module record shortest time returns receiving, and by this shortest time record, this shortest time is the time of ultrasound wave through returning apart from the shortest human body crown of ultrasonic transmitter-receiver distance, the aerial spread speed of ultrasound wave is fixed, therefore Negotiation speed and time can obtain the distance between the distance ultrasound wave transceiver of the human body crown, deduct this distance by hyperacoustic setting height(from bottom) and can calculate human height, the height of calculating is sent to MCU chip by ultrasonic distance measuring module, simultaneously, the body weight data recorded are sent to MCU chip by weighing scale module, form Human Height body weight information, this information is sent to PC by MCU chip.In addition, the elevation information that ultrasonic distance measuring module records is recorded in MCU chip, after PC recipient volume data information, send scan command to MCU chip, corresponding control information is sent to motor drive module by MCU chip, first, MCU chip transmission order and Human Height data are to webcam driver module, webcam driver module drive photographic head motor movement, make cam movement to the human body top of the head, achieve the precise positioning of photographic head, avoid photographic head from the scanning dead band formed higher than scanning the human body top of the head, and avoid photographic head from lower than scanning the incomplete situation of the scan model caused the human body top of the head, substantially increase the control accuracy of equipment, improve sport efficiency.After photographic head has been located, MUC chip sends scanning information to rotary tray motor driver module, rotary tray motor driver module drives rotary tray motor at the uniform velocity to rotate according to pre-set rotating speed, and drive human body with dial rotation, photographic head starts in the vertical direction and from top to bottom moves, and progressively carries out body scans; Limit switch module is provided with at the end of cam movement track, when cam movement is to track end and human body sole horizontal level, the limit switch of the sliding panel physical impacts limit switch module of photographic head is installed, limit switch is disconnected in time, video camera motor circuit is cut off in time, thus achieve photographic head accurately controlling in real time from power cut-off of starting working, improve equipment operation and control efficiency.In addition, luminous point isolation module is provided with between motor drive module of the present invention and MCU chip, the physics partition-type structures of circuit is achieved by luminous point isolation module, can effectively prevent motor drive module because the interfering signal produced during motor rotation is to MCU chip generation interference, ensure that MCU chip totally efficiently works, photoelectric isolation module is by LED and photoelectric sensor switch composition, LED is connected with MCU chip end, photoelectric sensor switch is connected with motor drive module end, during normal work, the light sent by LED makes photoelectric sensor switch keep conducting state, ensure circuit clear, play material isolation effect simultaneously.
Inventive embodiment just introduces its detailed description of the invention, does not lie in and limits its protection domain.The technical staff of the industry can make some amendment under the inspiration of the present embodiment, therefore all equivalences done according to patent of invention scope change or modify, and all belong in patent of invention right claimed range.
Claims (10)
1. the handheld terminal based on ultrasound Human Height and the interactive 3D scanning system of PC, it is characterized in that: comprise server (01), handheld terminal (02), PC (04), MCU chip (08), LOAD CELLS (09), ultrasonic distance measuring module (010), turntable module (011) and camera module (012), wherein, above-mentioned handheld terminal (02) is connected with PC (04), send scan command to PC (04), MCU chip (08) is connected with PC by serial communication module; Above-mentioned LOAD CELLS (09), ultrasonic distance measuring module (010), turntable module (011) and camera module (012) are connected with MCU chip (08) respectively.
2. a kind of handheld terminal based on ultrasound Human Height according to claim 1 and the interactive 3D scanning system of PC, it is characterized in that: described handheld terminal (02) is connected by the first link block (03) with PC (04), to carry out exchanges data, the first link block (03) is the one in USB module and WIFI module; Above-mentioned PC (04) is connected with the interior serial communication module be located in MCU chip (08) by the second link block (07), and the second link block (07) is USB module; PC (04) is connected with scan camera shooting head (06) by the 3rd link block (05), and the 3rd link block (05) is USB module.
3. a kind of handheld terminal based on ultrasound Human Height according to claim 2 and the interactive 3D scanning system of PC, it is characterized in that: described MCU chip (08) is connected with LOAD CELLS (09), camera module (012) and turntable module (011) respectively by HX711 chip, MC33886 chip and BST7970 chip, and ultrasonic distance measuring module (010) is connected with MCU chip (08) by CON4 interface; Described turntable module (010) comprises interconnective rotary tray motor driver module and rotating disk, camera module comprises interconnective photographic head motor drive module and scan camera shooting head (06), wherein, rotary tray motor driver module and photographic head motor drive module form motor drive module, motor drive module is connected with MCU chip (08) by photoelectric isolation module, is passed to MCU chip (08) with the interfering signal preventing photographic head motor and rotary tray motor from producing.
4. a kind of handheld terminal based on ultrasound Human Height according to claim 3 and the interactive 3D scanning system of PC, it is characterized in that: described photographic head motor drive module is connected with limit switch module, limit switch module is arranged on the end of cam movement track, and be connected with MCU chip (08), so that by cam movement to the signal transmission of track end to MCU chip (08), MCU chip (08) sends photographic head stop signal to photographic head motor drive module, makes the stop motion of scan camera shooting head.
5. a kind of handheld terminal based on ultrasound Human Height according to claim 4 and the interactive 3D scanning system of PC, it is characterized in that: described rotary tray motor driver module is connected with Hall speed measuring module, Hall speed measuring module is connected with MCU chip, to detect the rotating speed of rotary tray motor in real time, and rotary speed information being passed to MCU chip (08), rotary speed is adjusted to preset value according to rotary speed information by MCU chip (08) in real time.
6. a kind of handheld terminal based on ultrasound Human Height according to claim 5 and the interactive 3D scanning system of PC, it is characterized in that: described ultrasonic distance measuring module (010) is arranged on directly over rotating disk, the height of distance rotating disk is H, person to be scanned stands on rotating disk, ultrasonic distance measuring module (010) sends by recording ultrasonic head and receives hyperacoustic time difference t, and according to ultrasound wave spread speed v in atmosphere, calculate the distance S1 between ultrasonic head and person's head to be scanned, human height S2 is obtained by H-S1, and S2 is passed to MCU chip (08), send control information to photographic head motor drive module by MCU chip (08), so that the scanning elemental height of gated sweep photographic head (06) is S2.
7. a kind of handheld terminal based on ultrasound Human Height according to claim 6 and the interactive 3D scanning system of PC, it is characterized in that: described LOAD CELLS (09) is weighing scale module, the chip of weighing scale module is HX711, HX711 chip passes through A+ interface, A-interface, B+ interface and B-interface connect gravity sensor interface CON6, gravity sensor interface CON6 is connected with gravity sensor, gravity sensor is arranged on rotating disk, person to be scanned stands on rotating disk, the weight information of person to be scanned is responded to by gravity sensor, and information is passed to HX711 chip, MCU chip (08) is passed to through HX711 chip, MCU chip (08) calculates Human Height body weight fat percentage according to human height S2 and weight information.
8. a kind of handheld terminal based on ultrasound Human Height according to claim 7 and the interactive 3D scanning system of PC, it is characterized in that: described power module comprises the first power conversion chip LM2576 and the second source conversion chip ASM1117 of series connection mutually, the access voltage of the first power conversion chip LM2576 is 12V, output voltage is 5V, the access voltage of second source conversion chip ASM1117 is 5V, and output voltage is 3V; Above-mentioned MCU chip (08) is held with the VCC-3V3 of power module and is connected; U3, U4, U5 chip of photoelectric isolation module is held with the VCC-3V3 of power module respectively and VCC-5V holds to be connected in U3, U4, U5 and establishes LED and photoinduction switch, form physics isolation structure, photographic head motor drive module and rotating disk driver module connect IN2, IN3 and IN3 port of U3, U4 and U5 respectively, U3, U4 and U5 A0, A1 and A3 port be connected with MCU chip (08), the interfering signal that prevents photographic head motor rotary tray motor from producing by physical isolation structure interference MCU chip (08); Above-mentioned photographic head motor drive module and rotary tray motor driver module are held with the VCC-12V of power module respectively and are connected; Above-mentioned serial communication module is held with the VCC-5V of power module and is connected; Above-mentioned weighing scale module is held with the VCC-5V of power module and is connected; Above-mentioned limit switch module is held with the VCC-3V3 of power module and is connected; Above-mentioned Hall speed measuring module and ultrasonic wave module are held with the VCC-3V3 of power module respectively and are connected.
9., as claimed in claim 8 based on handheld terminal and the interactive 3D scan method of PC of ultrasound Human Height, it is characterized in that, comprise the following steps:
A), handheld terminal sends scan command to PC;
B), PC sends to MCU chip and gathers somatic data order;
C), the somatic data collected is sent back to PC by MCU chip;
D), PC sends scan command to MCU chip;
E), MCU chip controls photographic head and rotating disk synergy movement, acquisition Whole Body 360 ° of images, and scanning information is sent to PC;
F), PC generating three-dimensional models, and the threedimensional model of generation is sent to PC server;
G), handheld terminal accesses the threedimensional model that the server of PC stores.
10. the handheld terminal based on ultrasound Human Height according to claim 9 and the interactive 3D scan method of PC, it is characterized in that: described step B comprises step B1, step B2 and step B3, wherein, step B1 is that MCU sends the order of weigher survey height respectively to weighing scale module machine ultrasonic wave module, step B2 is that ultrasonic wave module surveys Human Height, and Human Height information will be recorded beam back MCU chip, step B3 is that weighing scale module surveys body weight, and will record body weight information and send back to MCU chip; Described step D comprises step D1, step D2 and step D3, wherein, step D1 is that MCU chip transmission scanning is novel to motor drive module, carry out body scans, step D2 is that photographic head motor drive module drives scan camera shooting head progressively to move downward along the human body crown, and step D3 is that rotary tray motor driver module drives human body at the uniform velocity to rotate.
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