CN202472553U - Somatosensory shoes - Google Patents
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- CN202472553U CN202472553U CN2012201266348U CN201220126634U CN202472553U CN 202472553 U CN202472553 U CN 202472553U CN 2012201266348 U CN2012201266348 U CN 2012201266348U CN 201220126634 U CN201220126634 U CN 201220126634U CN 202472553 U CN202472553 U CN 202472553U
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Abstract
The utility model discloses a pair of somatosensory shoes, which belongs to the field of electronic information, automation and computers. Each somatosensory shoe mainly comprises an upper computer receiving module and a comprehensive wireless sensor module, wherein the upper computer receiving module adopts a wireless technology, the comprehensive wireless sensor modules are arranged on the pair of shoes, the comprehensive wireless sensor modules are used for acquiring motion information of moving, rotating, jumping and the like of footsteps of users, and transmitting the motion information to the upper computer receiving module in a wireless transmission mode, thereby realizing interaction with terminal equipment. According to the somatosensory shoes, the comprehensive wireless sensor modules are installed on ordinary shoes or gym shoes, and keyboard and mouse actions are replaced by the motion information of the left and right shoes, so that a novel human-computer interaction mode is provided; and because of adopting an accelerometer and a digital gyro, the somatosensory shoes are low in manufacturing cost and easy to perform large-scale production practice; and the somatosensory shoes have the advantages of low power consumption and long service life.
Description
Technical field
The utility model relates to a kind of novel body sense shoes and implementation method in man-machine interaction is used thereof based on sensor and electronic communication technology, belongs to electronic information, robotization and computer realm.
Background technology
Traditional shoes have restricted its range of application and prospect in social life greatly as just a kind of dress ornament.Along with the continuous development of science and technology, somatic sensation television game and interactive application are in the ascendant.Comparatively famous both at home and abroad at present body induction is with having: the 3D body sense controller mouse of Legend Company, the wii game host of Nintendo, the XBOX Kinect of Microsoft etc.And these are used not and in the reality real shoes link together; The nike+ that at present only has apple to cooperate with NIKE is relevant with shoes; But the sensor of Nike+ can only count steps; Time, distance, speed and the consumption that the software platform that cooperates Apple human body when showing outdoor exercises is moved calorie etc., product orientation is in the aid of body-building.And in the life of indoor activity and home entertaining, also do not have a body sense shoes that can sensing technology and wireless communication technique be combined at present, in order to replace game console or traditional keyboard that is used for man-machine interaction and mouse.
Summary of the invention
The utility model design has realized a kind of footwear that can replace traditional man-machine interaction means; Be positioned a kind of novel body sense footwear based on sensor and wireless communication technique; This body sense footwear will be connected with human-computer interaction terminal equipment such as PC, mobile phone, TV, panel computers through wireless communication technique; Be used to replace traditional man-machine interaction mode, especially use the field, remedied the blank that body sense field does not have body sense footwear in body induction.The body sense footwear that the utility model provides; Can detect people's both feet moving and rotation information in three dimensions; Through the secondary treating of wireless transmission and information, can be used to replace traditional operator schemes such as mouse-keyboard, especially for the games application of all kinds of amusement and recreation; A kind of control mode of novelty is provided, man-machine interactive operation and motion are organically combined.
The described body sense of the utility model footwear; Two comprehensive modules of wireless sensing about mainly comprising a host computer receiver module and being separately positioned on two shoes; The comprehensive module of described wireless sensing connects the host computer receiver module with wireless mode, and the host computer receiver module is connected with terminal device; Draw-in groove is arranged at the bottom of described shoes, and the comprehensive module of wireless sensing is installed and is fixed in the draw-in groove.The comprehensive module of described wireless sensing comprises acceleration transducer, angular transducer, signal condition unit, CPU, wireless transport module and power supply unit; The data of described acceleration transducer are through behind the signal condition unit; Data with angular transducer are handled through central processor unit, send to the host computer receiver module through wireless transport module; Described power supply unit connects acceleration transducer, angular transducer, CPU and wireless transport module respectively; Described host computer receiver module comprises wireless transport module, USB/UART interface conversion chip, power supply chip and USB interface; Described wireless transport module is used to receive the movable information that the comprehensive module of wireless sensing is sent; And converting form into through USB interface output through USB/UART interface conversion chip, described USB interface directly is connected with terminal device; Wireless transport module in the comprehensive module of described wireless sensing and the wireless transport module in the host computer receiver module corresponding respectively the transmitting terminal and the receiving end of wireless transmission.
The footwear that will be provided with draw-in groove in the utility model are as the carrier of depositing the comprehensive module of wireless sensing, and user's both feet movable information transmits after through the comprehensive module acquisition process of the wireless sensing on the shoes.In design, draw-in groove is arranged at every shoes of left and right sides pin bottom, is convenient to the installation of the comprehensive module of wireless sensing and fixing.Be that shoes itself are separable with the comprehensive module of wireless sensing, purpose is to be convenient to the cleaning of shoes, and can not damage electronic equipment; In addition, be convenient to the comprehensive module charging of wireless sensing.
The advantage of the utility model is:
1, the comprehensive module of wireless sensing is installed on conventional shoe or sport footwear, through about the movable information of two shoes replace keyboard and mouse action, a kind of man-machine interaction mode of novelty is provided.
2, the utility model adopts accelerometer and digital gyro, and cost of manufacture is low, is easy to large-scale production practices.
3, the utility model adopts the low power dissipation design scheme, selects the accelerometer of low-power consumption, digital gyro, wireless transport module etc. for use.Have low in energy consumption, the advantage that service time is long.
4, through draw-in groove is set at sole the comprehensive module of wireless sensing is installed in the utility model, convenient cleaning shoes of detachable structure and checkout and safeguard the comprehensive module of wireless sensing.
5, adopt in the utility model about the information combination of two shoes, the more abundant information of acquisition can realize the more input information packing of orders.
Description of drawings
Fig. 1 is the general structure synoptic diagram of the body sense footwear that provide of the utility model;
Fig. 2 is the utility model hardware system general structure synoptic diagram;
Fig. 3 is the utility model hardware system workflow diagram;
Fig. 4 is a child node networking process flow diagram in the utility model;
Fig. 5 is the workflow diagram of motion information acquisition and processing in the utility model;
Fig. 6 is that host computer receiver module hardware is formed in the utility model.
Fig. 7 is that the dynamic link table of multi-user's step mobile message of the utility model is set up process flow diagram;
Embodiment
To combine accompanying drawing and embodiment that the utility model is done further to specify below.
The utility model provides a kind of body sense footwear; As shown in Figure 1; The sole of described body sense footwear 1 has groove, the comprehensive module 2 of wireless sensing is installed, in conjunction with Fig. 2 in the groove; Wireless connections between comprehensive module 2 of described wireless sensing and the host computer receiver module 3, host computer receiver module 3 directly are connected with terminal device such as PC.The comprehensive module 2 of described wireless sensing communicates with host computer receiver module 3; Host computer receiver module 3 is used to receive the movable information of two body sense footwear 1; Through upper computer software the motion information data of body sense footwear is pressed certain mapping relations, convert predefined man-machine interactive operation instruction into.Described movable information includes displacement, rotation and the jump information of the body sense footwear that the both feet motion of human body causes; Both feet respectively corresponding about two body sense footwear, the movable information of both feet is gathered and is sent through the comprehensive module of wireless sensing on two body sense footwear.Described mapping relations are meant the mapping relations between movable information and the operational order, and man-machine interactive operation instruction is set according to user's needs, different movable informations, respectively can correspondence hit left button, right click, on operational order such as turn over, turn over down.
The hardware system general structure of the utility model realizes shown in accompanying drawing 2; Comprise comprehensive module of wireless sensing and host computer receiver module, the comprehensive module of described wireless sensing comprises acceleration transducer, angular transducer, signal condition unit, CPU, wireless transport module and power supply unit; The data of described acceleration transducer are handled through central processor unit with the angle-data of angular transducer through behind the signal condition unit, and the transmitting terminal through wireless transport module sends to the host computer receiver module; Described power supply unit connects acceleration transducer, angular transducer, CPU and wireless transport module respectively, so that stabilized power source to be provided.Described host computer receiver module comprises wireless transport module; USB/UART interface conversion chip, power supply chip and USB connect; Described wireless transport module receives the movable information that the comprehensive module of wireless sensing is sent; And convert into through USB/UART interface conversion chip can be through the form of USB interface output, and described USB interface directly is connected with terminal device, realization plug and play mouth.
Described acceleration transducer is a three axis accelerometer, adopts the KXR94 accelerometer chip, and KXR94 is the three axis accelerometer that Kionix company produces.Design compensation has been carried out to the deviation that temperature and voltage fluctuation cause in this accelerometer inside, therefore because the deviation that voltage and temperature cause is less.This device measurement range is ± 2g, and sensitivity coefficient is 560mV/g, and nonlinearity is 0.1%, and WV is 2.8～3.3 V; This accelerometer power consumption is very low, and the about 1.1mA of quiescent current can satisfy the low-power consumption requirement of global design.KXR94 three tunnel exports and represents the output of X axle, the output of Y axle, the output of Z axle respectively, offers follow-up signal conditioning unit afterwards finally by the Chip Microcomputer A collection of CPU.
Described angular transducer adopts the L3G4200D numeral output gyroscope of ST company.This gyroscope has the I2C/SPI digital output interface, the data output of 16 bit-rates values, and the wide power WV of 2.4V～3.6V, embedded power-down and sleep pattern, high impact resistant capability can satisfy the requirement of the low-power consumption anticollision of design.The single-chip microcomputer that the angle signal that L3G4200D obtains can directly be passed in the CPU uses.
The core of described CPU is a single-chip microcomputer.Single-chip microcomputer is selected PIC18F2520 for use.This single-chip microcomputer has wide operating voltage 2.0～5.5V; Having 10 path 10 position AD gathers; Low-power consumption, exemplary currents 5.8uA only under the idle pulley; Carry watchdog circuit; Support SPI and I2C.The AD that CPU carries through selected single-chip microcomputer gathers the output signal of 3-axis acceleration sensor through the conditioning of signal condition unit; And directly receive digital gyrostatic signal; The inside of passing through to be write is resolved program and is obtained body sense information, deposits in the buffer memory; Afterwards, transferring to the host computer receiver module through wireless transport module supplies upper computer software to use.The course of work is shown in accompanying drawing 5; Begin to gather acceleration and angle information after the single-chip microcomputer initialization; After the finishing collecting, get into the data solver program, be about to acceleration and resolve displacement into shoes; Displacement information and angle information are deposited in the buffer zone as movable information together, and movable information is sent to the host computer receiver module.
Wireless transport module adopts the ZigBee module.The ZigBee wireless communication technology is a kind of low rate, low-power consumption, low complex degree, two-way wireless communication network technology cheaply, can be widely used in fields such as industrial monitoring, security system, sensor network, Smart Home.The advantage of ZigBee is low-power consumption, compares bluetooth or WiFi stand-by time and can improve tens times; Low cost has reduced the requirement to communication controller, and the agreement patent is free; High power capacity, a host node can be managed a plurality of child nodes, can reach 254 node at most; Have in short-term in addition and prolong, high safety, advantages such as unlicensed band.The Zigbee module can satisfy the requirement that design is used.Wireless transport module comprises transmission and receives two parts, is installed in respectively in comprehensive module of wireless sensing and the host computer receiver module, is used for data communication.
Power supply unit adopts lithium battery power supply, and adds AMS1117-3.3 as power supply voltage stabilizing chip, makes power supply unit output stabilize to 3.3V, can be single-chip microcomputer, three axis accelerometer, digital gyroscope and wireless transport module power supply.AMS1117-3.3 chip input voltage scope 4.75～12V, output voltage 3.267～3.333V, output current 1A, working temperature-40～125 ℃.Battery adopts chargeable lithium cell, capacity 800～1000mAh, and WV 6V discharges and recharges number of times and can reach 500 times, very frequently also can guarantee the service time at least one year even use.
The host computer receiver module has mainly comprised receiving unit, USB/UART interface conversion chip, power supply chip and the USB interface of wireless transport module.Shown in accompanying drawing 6.The receiving unit of wireless transport module is mainly used in and receives the motion information data that the comprehensive module of wireless sensing sends over.And the signal type conversion chip is FT232R, and FT232R is the USB/UART conversion chip, and its major function is under the internal hardware logical action, to realize the conversion of a USB and a step Serial Data Transport Interface.Chip internal inherited 1024 EEPROM and multi-frequency clock generator (6MHz, 12MHz, 24MHz, 48MHz).Power supply chip adopts AMS1117-3.3 mentioned above, provides 3.3V to be output as FT232R and Zigbee module for power supply.USB interface is used for linking to each other with terminal device such as PC, accomplishes data transmission and power supply function of supplying power.
Shown in accompanying drawing 3, the workflow that adopts the above-mentioned comprehensive module of wireless sensing to carry out man-machine interaction comprises the steps:
1. under the situation that the host computer receiver module has inserted and PC is opened, open the comprehensive modular power source of wireless sensing;
The single-chip microcomputer of CPU, accelerometer, digital gyro and signal condition unit power on and initialization;
2. the host computer receiver module begins MANET work, and the networking flow process of child node is specially shown in accompanying drawing 4:
(A) child node that need to insert powers on and initialization, after the time-delay, judges whether child node receives beacon frame, if do not receive, thinks then that child node networks to fail; If receive, then change (B);
(B) the listen for beacons frame is selected host node;
(C) slave computer sends the request of networking and gives the host computer receiver module, if slave computer receives the answer of host node, then changes (D); If slave computer does not receive host node and replys, then change (E);
(D) distribute the short address to give child node, this moment, child node networked successfully;
(E) judge whether to exist host node,,, then return (B) if there is host node if do not have host node then think the child node failure that networks.
The wireless sensing comprehensive module of described child node for needing to insert, described host node is the host computer receiver module, the child node of described slave computer for needing to insert also is the comprehensive module of wireless sensing.
3. networking success back host computer receiver module sends the motion information acquisition instruction, and CPU begins to gather the data of acceleration transducer and angular transducer;
4. the single-chip microcomputer of CPU resolves the data that collect, and acceleration information is restored displacement data, and displacement data and angle-data are stored in the buffer memory as motion information data;
5. data in the buffer memory are transmitted through wireless transport module, be transferred to the host computer receiver module;
6. the host computer receiver module receives after the data terminal devices such as directly connecting PC through USB, preserves to wait and operates in order to subsequent calls.
The utility model is primarily aimed at the characteristics that user's both feet are gathered exercise data respectively in the concrete realization of man-machine interaction method; And consider that the multi-user interconnects simultaneously and carry out the feasibility of man-machine interaction; Designed the data structure of double-legged movable information especially; The image data of the sensor of every shoes will be transmitted with hexa-atomic group mode, and the exercise data note of left foot is made D
A(Δ x
A, Δ y
A, Δ z
A, θ
A, SN
A, ID
A), right crus of diaphragm data note is made D
B(Δ x
B, Δ y
B, Δ Z
B, θ
B, SN
B, ID
B).For the ease of problem is described, it is axial the world coordinate system note to be made three of XYZ here, overlaps with the axial of 3-axis acceleration sensor.Δ x wherein
A, Δ y
ABe illustrated under the ground level coordinate system, the moving displacement information of user's left foot, types of variables are the float type, and physical meaning is for the decimetre being the displacement of metering; Δ z
ARepresent the height that user's left foot in height lifts, types of variables is a floating type, and physical meaning is for the decimetre being the displacement of metering; θ
AThe angle that the expression left foot is rotated around its Z axle, types of variables is an integer, physical meaning is expression ° being the anglec of rotation of unit; SN
AThe sequence number of expression wireless sensing comprehensive module, this variable is a long, is the unique expression of the comprehensive module of wireless sensing, in order to every pair of shoes that differentiation is produced, is convenient to follow-up many people interconnect mutual networking and identification; ID
AAs the sign of left foot, types of variables is the Bool type, and 0 represents left foot, and 1 represents right crus of diaphragm.Same, the right crus of diaphragm data structure has similar implication.
The realization of human-computer interactive control method mainly is, based on packet D
A(Δ x
A, Δ y
A, Δ z
A, θ
A, SN
A, ID
A), D
B(Δ x
B, Δ y
B, Δ z
B, θ
B, SN
B, ID
B), design a finite state unit, represent user's double-legged mobile status with the combination of a plurality of state machines, the comprehensive module of each wireless sensing is as a state machine.Here the double-legged movable information with unique user is that example describes: MA is in order to represent the state machine of current left foot movable information, and MB is in order to the state machine of expression right crus of diaphragm movable information, and its data structure is M (mx, my, mz, θ
z), mx wherein, the value of my is respectively 1,0 and 1, and mx=-1 representes to have moved along x axle negative direction, and mx=1 representes to have moved along x axle positive dirction, and mx=0 representes not move, and value and the mx of my have identical meanings; And the value of mz has two, is 0 and 1, and corresponding do not have to move and move up along Z axle positive dirction along Z axle positive dirction.We assert that the user can't move to below the ground level, so mz does not have negative value; θ
zValue is [0,360], expression user's the step anglec of rotation;
The state of M is by mx in the data structure, my, mz affix θ
zCommon decision, and mx, my, the mz value is then determined with the current state of itself by (θ x, Δ y, Δ z) jointly, establishes the mx current state with mx (k) expression, and the my current state is with my (k) expression, and the mz current state is represented with mz (k); Accordingly, the next state of mx is with mx (k+1) expression, and the next state of my is with my (k+1) expression, and the next state of mz is represented with mz (k+1).Then the state exchange of mx is as shown in table 1:
The threshold value variables D is that occurs in the table 1, one of implication is the positive number of unit with the decimetre.Be used for representing having only above the moving of this value, think that just user's step state has had change.For example when minute movement appearred in user's step, we thought that the user is not at the change state, and this design simultaneously also is for the ease of human-computer interactive control.
Table 1 mx state transition table
The state exchange of my is identical with mx, and is as shown in table 2 below:
Table 2 my state transition table
The mz state changes changes as shown in table 3:
The state transition table of table 3 mz
Left foot movable information state machine MA (mx
A, my
A, mz
A, mzA,
) and right crus of diaphragm movable information state machine MB (mx
B, my
B, my
B, mz
B,
), formed a finite state unit.Utilize the current state of this finite state unit MA and MB; Can design the mapping that realizes man-machine interaction; In the present embodiment, for the combination of state machine MA, MB, in order to discern moving and jump action of user's both feet eight orientation on the plane; Designed following mapping table, used to offer computer applied algorithm:
Table 4 finite state unit and concrete interactive action mapping table
The anglec of rotation is ignored in the NULL representative in the table 4, and this table only is that eight directions planar and the concrete action of going up foot action state unit and man-machine interaction of jumping have provided a concrete mapping realization.Concrete application program can be accomplished man-machine interactive operation with reference to the mapping in the action lists according to demand.For example: such as the man-machine interactive operation of recreation such as DDR, the action that this table is contained can realize fully.And in the practical application according to the combination of each state variable, can derive more interactive action, also have very big dynamic Extended Spaces to this mapping table of concrete application.
The utility model is in particular the situation that the multi-user carries out people's interactive application simultaneously, designs a dynamic link table that is used for storing a plurality of user's step mobile messages, and chained list carries out dynamic creation during by the host computer search matched.This unique identification variable of the SN that contains in the packet of acceleration transducer and angular transducer will be in order to judge whether to increase a new chained list node.Comprise following information in each chained list node data structure: a type is the pointer of chained list node, in order to point to next chained list node; One group of status information MA and MB; Unique identification variable SN, and obtain the head node and the next node of chained list with the function call mode.Concrete chained list is designed to class as shown in Figure 7, and the data link table node comprises node identification (1ong (idl)), left foot state MA, right crus of diaphragm state MB, head node pointer Pfirst and next node pointer Pnext.
Carry out child node when going into net operation for the concrete comprehensive module of each wireless sensing, it is as shown in Figure 8 that the dynamic link table of multi-user's step mobile message is set up flow process, and at first whether inquiry has child node to network; If there be corresponding SN number, inquiry linked list then deposits packet in the node of this SN number sign; If there be not corresponding SN number, judge then whether chained list is empty, if, then create the chained list gauge outfit, inquire about child node again and network; If be not empty, then add new chained list node; Judge whether inquiry is overtime, if overtime then stop into net operation, whether if not overtime, then continuing inquiry has child node to network.The information that multi-user's step moves according to the mapping relations that table 4 designed, can obtain the concrete operations of a plurality of users' man-machine interaction after upgrading in phase weekly, offers concrete multiusers interaction software application and uses.
The foregoing description only is used to explain the utility model; Wherein the structure of each parts, connected mode etc. all can change; Every equivalents of on the basis of the utility model technical scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.
Claims (2)
1. body sense footwear; It is characterized in that: two comprehensive modules of wireless sensing about described body sense footwear mainly comprise a host computer receiver module and are separately positioned on two shoes; The comprehensive module of described wireless sensing connects the host computer receiver module with wireless mode, and the host computer receiver module is connected with terminal device; Draw-in groove is arranged at the bottom of described shoes, and the comprehensive module of wireless sensing is installed and is fixed in the draw-in groove.
2. a kind of body sense footwear according to claim 1; It is characterized in that: the comprehensive module of described wireless sensing comprises acceleration transducer, angular transducer, signal condition unit, CPU, wireless transport module and power supply unit; The data of described acceleration transducer are through behind the signal condition unit; Data with angular transducer are handled through central processor unit, send to the host computer receiver module through wireless transport module; Described power supply unit connects acceleration transducer, angular transducer, CPU and wireless transport module respectively; Described host computer receiver module comprises wireless transport module, USB/UART interface conversion chip, power supply chip and USB interface; Described wireless transport module is used to receive the movable information that the comprehensive module of wireless sensing is sent; And converting form into through USB interface output through USB/UART interface conversion chip, described USB interface directly is connected with terminal device; Wireless transport module in the comprehensive module of described wireless sensing and the wireless transport module in the host computer receiver module corresponding respectively the transmitting terminal and the receiving end of wireless transmission.
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|---|---|---|---|
| CN2012201266348U CN202472553U (en) | 2012-03-28 | 2012-03-28 | Somatosensory shoes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201266348U CN202472553U (en) | 2012-03-28 | 2012-03-28 | Somatosensory shoes |
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| CN202472553U true CN202472553U (en) | 2012-10-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662468A (en) * | 2012-03-28 | 2012-09-12 | 宋子健 | Body sensing shoe and man-machine interaction method of body sensing shoe |
-
2012
- 2012-03-28 CN CN2012201266348U patent/CN202472553U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662468A (en) * | 2012-03-28 | 2012-09-12 | 宋子健 | Body sensing shoe and man-machine interaction method of body sensing shoe |
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Granted publication date: 20121003 Termination date: 20190328 |
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