CN104706508B

CN104706508B - Make the electronics leg cuff of people's perceived direction

Info

Publication number: CN104706508B
Application number: CN201410834670.3A
Authority: CN
Inventors: 陈汉翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-12-29
Filing date: 2014-12-29
Publication date: 2016-08-24
Anticipated expiration: 2034-12-29
Also published as: CN104706508A

Abstract

The present invention is a kind of electronics leg cuff making people's perceived direction, it it is the Intelligent worn device with compass functional, it is worn on calf, by power circuit, direction sensor circuit, intelligent logic circuit, analog switching circuit and the multiple functional elements being distributed in leg cuff are constituted, inner side in leg cuff, skin-proximal has been uniformly distributed in organizes functional element more, when the direction of shank changes, the north functional element Vibration on Start-up to corresponding orientation or release low-frequency electric pulse is controlled by electronic installation, the antennal nerve making leg relevant position skin feels stimulation, and stimulation is transmitted to brain, so that the direction that wearer perception is northwards.

Description

Make the electronics leg cuff of people's perceived direction

Technical field

The present invention relates to a kind of electronics leg cuff making people's perceived direction, be that the intelligence with compass functional is worn Wear equipment.

Background technology

People itself does not possess direction sense organ, in the case of foreign environment is without sunlight, can be known by compass Other direction, abled person can watch compass by eyes, and blind person can touch compass identification direction by hands. Abled person takes an excursion in an open country, or drives the entrance regions with complex terrain such as car, ship, aircraft, and blind person enters into The local time in of strange, if not utilizing compass that direction is carried out Real time identification, it is more likely that different journey occurs Getting lost of degree.But use traditional compass all the time, people can be allowed to feel bothersome.

Summary of the invention

For overcoming the deficiency of existing compass product, the present invention is a kind of electronics making people's perceived direction Leg cuff, is the Intelligent worn device with compass functional, by electric pulse or mechanical vibration transmission side To information, it is worn on people's calf, when the direction of shank changes, relevant position in electronics leg cuff Functional element can vibrate or discharge low-frequency electric pulse, makes wearer perceived direction.

The technical scheme is that this is a kind of electronics leg cuff making people's perceived direction, by electricity arteries and veins Punching or mechanical vibration direction of transfer information, be worn on calf, by power circuit, direction sensor electricity Road, intelligent logic circuit, analog switching circuit and be distributed in leg cuff multiple functional elements constitute.? The inner side of leg cuff, skin-proximal has been uniformly distributed in 16 groups of functional elements, the not Tongfang around corresponding people Position, functional element can be electric and magnetic oscillation element or paired electrode, when the direction of shank changes, electricity Magnetic Sensor and acceleration transducer in sub-leg cuff can detect the magnetic line of force direction angle corresponding to leg Change, to the functional element Vibration on Start-up in corresponding orientation or is discharged low-frequency electrical arteries and veins by the Single-chip Controlling north Punching, makes the antennal nerve of leg relevant position skin feel stimulations, and by stimulation transmission to brain, So that the change in wearer real-time perception direction.

The invention has the beneficial effects as follows: blind person can use this equipment to assist go off daily, real-time perception Direction, promotes safety.Abled person can use when outing in the wild, driving car, ship, aircraft This equipment, real-time perception direction changes, and reduces lost, and the perception in direction need not hands and eyes Participation, easy to use.

Accompanying drawing explanation

The present invention is further described with embodiment below in conjunction with the accompanying drawings.

Fig. 1 is electronics leg cuff wearing position schematic diagram.

Fig. 2 is electronics leg cuff another kind wearing position schematic diagram.

Fig. 3 is electronics leg cuff outside drawing.

Fig. 4 is electrode member outside drawing.

Fig. 5 is electric and magnetic oscillation cell side view.

Fig. 6 is sensor chip installation direction schematic diagram

Fig. 7 is electrical block diagram.

Fig. 8 is singlechip main program FB(flow block)

Fig. 9 is single-chip microcomputer square wave subroutine flow block diagram

In figure, 1-shank, 2-electronics leg cuff, 3-casing, 4-outer layer belt, 5-internal layer belt, 6-functional element, 7-electrode signal line, 8-electrode ground wire, 9-solenoid, 10-Magnet, 11-bullet Property bar, 12-magnetic sensor chip, 13-acceleration sensor chip, 14-power circuit, 15-direction Sensor circuit, 16-intelligent logic circuit, 17-analog switching circuit, 18-analog switch.

Detailed description of the invention

As it is shown in figure 1, the wearable ankle position below shank 1 of electronics leg cuff 2.As in figure 2 it is shown, The most wearable close knee position above shank 1 of electronics leg cuff 2.Owing to people is at walking, driving car and boat Deng time, shank is relatively close together and is perpendicular to ground, so when digital compass is fixed on the position of shank Put, be easier to detect relatively accurate direction.

Fig. 3 is electronics leg cuff outside drawing, and main circuit concentrates in casing 3, and leg cuff belt is by two-layer structure Becoming, the nearly skin of leg of internal layer belt 5 note, the elastomeric material big by flexible amplitude is constituted, and its function is to make It is positioned at the functional element 6 inside belt to be uniformly distributed.Functional element 6 is by the wire within belt and machine Control circuit in shell is connected.Functional element 6 is paired electrode or electric and magnetic oscillation element, totally 16 groups, It is uniformly distributed in inside internal layer belt 5.Outer layer belt 4 uses the material that flexible amplitude is little, and scalable is worn Wearing length, its function is that whole equipment is fixed on leg.

Fig. 4 is electrode outside drawing, and in figure, inner circular metal is electrode signal line 7, and outer shroud metal is electricity Polar region line 8.When Square wave pulses voltage acts between electrode signal line 7 and electrode ground wire 8, skin Antennal nerve can feel small alternating current.

Fig. 5 is electric and magnetic oscillation cell side view, is made up of solenoid 9, Magnet 10, and Magnet is fixed on On the elastic strip 11 of lower section, when Square wave pulses electric current is by solenoid 9, Magnet 10 up-down vibration.

Fig. 6 is sensor chip installation direction schematic diagram, magnetic sensor chip 12 and acceleration transducer core Sheet 13 is placed in casing 3, is respectively induced magnetic force and the acceleration of three-dimensional, and transfers data to intelligence Single-chip microcomputer in energy logic circuit, thus calculate the magnetic line of force angle relative to sensor.Casing 3 is flat It is attached on shank, when people stands, and shank is perpendicular to ground, the Z of two kinds of sensors in casing 3 Axle is approximately parallel to horizontal plane.The X-axis of two kinds of sensor chips is parallel to leg cuff belt direction, then when People's shank of standing is when being perpendicular to ground, and the X-axis of two kinds of sensors in casing 3 is approximately parallel to horizontal plane, The Y-axis of two kinds of sensors is then approximately perpendicular to horizontal plane simultaneously.Now acceleration transducer numerical value is 1g, Direction is close under Y-axis.When people walk, cycle, climb the mountain, drive etc. time, the posture of shank can be through Often changing, then the reading of two sensors also can change accordingly.When the acceleration recorded from acceleration transducer Power is close to 1g between 0.98g to 1.02g, and Impact direction and measured magnetic force direction are close to hanging down Time straight, angle is between 88 degree to 92 degree, it is believed that sensor is static or at the uniform velocity, acceleration direction is i.e. For terrestrial gravitation direction, the plane vertical with this direction is horizontal plane, then with through Magnetic Sensor core The horizontal plane of sheet three axes initial point is axle with the intersection of Z axis X-axis place plane, is rotated so far by Z axis Horizontal plane, utilizes single-chip microcomputer to calculate clockwise direction angle value to the magnetic line of force northwards from this axle, As the magnetic line of force relative to the angle of sensor.When the acceleration recorded from acceleration transducer and 1g difference It is larger than scope between 0.98g to 1.02g, or acceleration direction and measured magnetic force direction out of plumb Time angle beyond scope between 88 degree to 92 degree, illustrate that now sensor is being gone on a tour in accelerated motion, Then ignore measurement result.In the active procedure of people's every day, shank is close to static or even in most time Speed motion, then pass through the COMPREHENSIVE CALCULATING to two kinds of measurement value sensors, it is the most accurate to obtain Magnetic line of force relative angle data.That is people standing, walk, climb the mountain, drive etc. during, This electronics leg cuff can be dressed, detect accurate direction.

Fig. 7 is electrical block diagram.Circuit includes some: power circuit 14, direction sensor Circuit 15, intelligent logic circuit 16, analog switching circuit 17 and be distributed in many groups effect of leg cuff belt Element 6.Power circuit 14 is made up of battery and boost chip, and battery is 3v, and a road is direction sensor Circuit is powered, and a road is that intelligent logic circuit is powered；3rd tunnel in two kinds of situation, when functional element is into To electrode, then chip such as AH812 can be used to boost to 12v, as analog switch after adjustable resistance The signal input part of circuit, when functional element is electric and magnetic oscillation element, then need not boosting, cell voltage As the signal input part of analog switching circuit after adjustable resistance.The effect of adjustable resistance is that regulation is final It is applied to the voltage of functional element, owing to different people has difference to the perceptual ability of electric current or vibration, logical Overregulate adjustable resistance and obtain the amplitude that wearer is comfortable on.Direction sensor circuit 15 comprises magnetic Sensor chip and acceleration sensor chip, magnetic sensor chip can use HMC5883L, acceleration Sensor chip can use MMA7631.Two sensors is respectively induced magnetic force and the acceleration of three-dimensional, And the single-chip microcomputer that data are sent to after converted in intelligent control circuit, thus calculate the magnetic line of force relative to The angle of sensor.Intelligent logic circuit 16 is made up of single-chip microcomputer, and optional 51 series, its function is Read two kinds of sensing datas, calculate magnetic line of force angle, and according to analog switch corresponding to angle Selection, Output Square wave pulses.Analog switching circuit 17 is made up of analog switching ic, optional containing address The analog switch chip of coding, such as CD4067, it is many that its outfan is positioned at internal layer belt by wire connection Group functional element, when the end that controls of any of which analog switch 18 receives the square wave arteries and veins sent from single-chip microcomputer Punching, owing to its input connects high level, the Square wave pulses that its outfan can export.Functional element 6 There are 16 groups, paired electrode or electric and magnetic oscillation element can be used, the functional element corresponding ports below casing No. 0, press and be followed successively by No. 1, No. 2, No. 3 etc. along pointer direction functional element port, until No. 15. When any of which group functional element receives the Square wave pulses of analog switch output, then can be to leg skin phase Answer position to be stimulated by alternating current or vibration, make wearer according to the location aware direction stimulated.

Fig. 8 is singlechip main program FB(flow block), and step 101 system first initializes, step 102 and step Rapid 103, variable T0 are the last time triggered, and N is the last port triggered, after powering the Before once triggering, first T0 being set to current time-5 minutes, N is set to-1.Enter detection sensor ring Joint, step 104, first postpone 3 seconds, step 105, further according to Magnetic Sensor and the inspection of acceleration transducer Measured value calculates magnetic line of force angle C relative to Magnetic Sensor, between its value is spent 0 to 360.Step 106, Read present system time T.Step 107, if T Yu T0 lead time > 5 minute or C and N*22.5 Differential seat angle triggers link, otherwise duplicate detection sensor away from the square wave then continuing next step during more than 16 degree Link.Namely a certain amount of change, corresponding functional element port numbers is occurred to send out when magnetic line of force relative angle During raw change, i.e. trigger new functional element, if the functional element port numbers of correspondence is not changed in, time Between often cross 5 minutes, also trigger action element, make wearer every 5 minutes, feel direction stimulate. Angle gap, more than 16 degree of ports just renewed rather than 11.25 degree, is to prevent angle at two ends When mouth angular range has a common boundary neighbouring, port changes repeatedly.Set out link followed by square wave, step 108, Port numbering N=C+11.25 is first set and divides exactly 22.5, if equal to 16 set N=0.Then step 109, T0=T is set, and enters circulation, step 110, step 111, step 112, step 113, call Square wave subprogram, every minor tick 0.5 second, it is repeated 4 times, makes leg relevant position nerve perceive 4 Secondary electric pulse stimulation or vibratory stimulation.Program returns to detect sensor link afterwards, and so forth.

Fig. 9 is single-chip microcomputer square wave subroutine flow block diagram, is the trigger flow of each square-wave signal. Initially entering subprogram from step 114, counting is first reset by step 115, enters circulation, step 116 Designated port is exported high level, and step 117 time delay 0.005 second, step 118 sets low level, step again 119 time delays 0.005 second, step 120 repeats 25 times, and step 121 exits subprogram, i.e. 100 hertz Square wave oscillation continue 0.25 second.

Claims

1. make an electronics leg cuff for people's perceived direction, be worn on shank position, by power circuit, direction sensor Circuit, intelligent logic circuit, analog switching circuit and be distributed in leg cuff many groups functional element constitute, its Feature is: in the inner side of leg cuff, and skin-proximal is evenly distributed with described functional element of organizing, corresponding people's week more The different azimuth enclosed, described functional element can be electric and magnetic oscillation element or paired electrode, when the side of shank In time changing, electronic installation control the north described functional element Vibration on Start-up to corresponding orientation or release Low-frequency electric pulse, makes the antennal nerve of leg relevant position skin feel stimulation, and stimulation is transmitted extremely Brain, makes wearer perception direction northwards.