CN108936942A - A kind of pressure sensing method and device for intelligent shoe - Google Patents
A kind of pressure sensing method and device for intelligent shoe Download PDFInfo
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- CN108936942A CN108936942A CN201810595479.6A CN201810595479A CN108936942A CN 108936942 A CN108936942 A CN 108936942A CN 201810595479 A CN201810595479 A CN 201810595479A CN 108936942 A CN108936942 A CN 108936942A
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- sensor
- sole
- horizontal plane
- landing moment
- length direction
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Classifications
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/1036—Measuring load distribution, e.g. podologic studies
- A61B5/1038—Measuring plantar pressure during gait
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6804—Garments; Clothes
- A61B5/6807—Footwear
Abstract
The invention discloses a kind of pressure sensing methods and device for intelligent shoe, method includes the following steps: processor obtains the output voltage or output electric current of sole landing moment sensor；Processor calculates acceleration of the sole landing moment sensor on the direction with horizontal plane according to the output voltage or output electric current of acquisition；Processor lands acceleration of the moment sensor on the direction with horizontal plane according to sole and obtains the pressure that the measurement object of sole landing moment sensor is subject to.The present invention calculates pressure suffered by measurement object by acceleration of the sensor measurement measurement object on the direction perpendicular to horizontal plane, and the sensor being directed to only is made of tubular track, Buffer Unit, coil and magnet, thus manufacturing cost of the invention is low, and sensor of the invention structure is simple and does not use easily worn part, is able to ascend the reliability of sensor.The present invention can be widely applied to art of pressure sensors.
Description
Technical field
The present invention relates to art of pressure sensors, especially a kind of pressure sensing method and device for intelligent shoe.
Background technique
As technology develops, in volume, power consumption etc. is substantially reduced for embeded processor and microsensor.In recent years
The some microsensors released not only have multiple-working mode and very low typical power consumption, these microsensors are specific
Operating current under operating mode can even be differed down to several microamperes to hundreds of microamperes.Current pressure sensor generally uses
The core of its gauge pressure sensing is made with the composite material of change in pressure with piezoresistive effect, piezoelectric effect or static capacity
Component, and pick-up is carried out to pressure signal by peripheral circuit.
Piezoelectric effect is using the material that can generate electric current in the case of being pressurized, such as piezoelectric ceramics, this kind of working sensor
When do not need to provide energy for force sensing element itself, power consumption is lower, but piezoelectric ceramics service life is shorter (usually tens of thousands of time to arrive
Hundreds of thousands), and it is undesirable to the tolerance of mechanical shock, if being used in intelligent shoe, (intelligent shoe, which refers to, is equipped with sensor
With the shoes of communication device) as in high frequency measurement scene, be easily damaged, reliability is low.
Capacitance-type sensor power consumption is lower, but its force sensing element uses membrane structure, the tolerance to mechanical shock
Ability is equally not ideal enough, if be used in the such measurement scene of intelligent shoe, equally exists and is easily damaged, reliability is low to ask
Topic.
What piezoresistive effect utilized is the correlativity between material resistance and pressure, and modular design is using amplifier of electrical bridge electricity
The effect of resistive is simultaneously acquired it by high precision analogue conversion.What wherein performance was more outstanding is that semiconductor pressure is answered
Become piece, although semiconductor pressure foil gauge power consumption is smaller, higher cost.
In conclusion needing a kind of reliable and at low cost Pressure sensing solutions on the market.
Summary of the invention
In order to solve the above technical problems, it is an object of the invention to: it provides a kind of reliable and at low cost for intelligent shoe
Pressure sensing method and device.
The first technical solution adopted by the present invention is:
A kind of pressure sensing method for intelligent shoe, comprising the following steps:
Processor obtains the output voltage or output electric current of sole landing moment sensor；
Processor according to the output voltage of acquisition or output electric current calculate sole landing moment sensor with horizontal plane
Acceleration on vertical direction；
Processor obtains sole according to acceleration of the sole landing moment sensor on the direction with horizontal plane and falls
The pressure that the measurement object of ground moment sensor is subject to；
The sensor includes tubular track, magnet and coil, and the tubular track both ends are equipped with Buffer Unit, the magnetic
Body is mounted in tubular track, and coil fixation is wrapped in outside tubular track, the output end of the coil and processor it is defeated
Enter end connection, the sensor is mounted in sole.
Further, the length direction of tubular track and the length direction of sole are parallel or form a folder less than 10 °
Angle.
Further, the processor calculates sole landing moment sensor according to the output voltage or output electric current of acquisition
It is specifically included in the step for acceleration on the direction with horizontal plane:
Processor calculates sole landing moment sensor in itself length direction according to output voltage or output electric current
On acceleration；
Processor lands acceleration and sole of the moment sensor on the length direction of itself according to sole and lands wink
Between the angle that is formed of sensor and horizontal plane obtain acceleration of the sensor on the direction of vertical level；
The length direction of sensor itself refers to that the length direction of tubular track, sole land moment sensor and horizontal plane
The angle of formation refers to the angle that the length direction of sole landing moment tubular track and horizontal plane are formed.
Further, the processor is also connected with gyroscope, what the sole landing moment sensor and horizontal plane were formed
Angle is measured by gyroscope.
Further, the expression formula for the pressure F that the measurement object of the sensor is subject to are as follows:
F=A*sin θ * I2Or F=B*sin θ * U2；
Wherein, I indicates that the output electric current of sole landing moment sensor, U indicate the output of sole landing moment sensor
Voltage, A and B are constant, and θ indicates the angle that sole landing moment sensor and horizontal plane are formed.
A kind of pressure sensor device for intelligent shoe, comprising:
Sensor, for acquiring the sole pressure that is subject to of landing instantaneous measurement object and generating output voltage or output electricity
Stream；
Processor, for according to the output voltage of acquisition or output electric current calculate sole landing moment sensor with water
Acceleration on the vertical direction of plane；And for landing moment sensor in the direction with horizontal plane according to sole
Acceleration obtain the pressure that is subject to of measurement object of sole landing moment sensor；
The sensor includes tubular track, magnet and coil, and the tubular track both ends are equipped with Buffer Unit, the magnetic
Body is mounted in tubular track, and coil fixation is wrapped in outside tubular track, the output end of the coil and processor it is defeated
Enter end connection, the sensor is mounted in sole.
Further, and the length direction of sole is parallel or formation one is less than 10 ° for the length direction of the tubular track
Angle.
Further, the output voltage or output electric current according to acquisition calculate sole landing moment sensor with water
Acceleration on the vertical direction of plane specifically includes:
Sole landing moment sensor adding on the length direction of itself is calculated according to output voltage or output electric current
Speed；
Acceleration and sole landing moment sensing of the moment sensor on the length direction of itself are landed according to sole
The angle that device and horizontal plane are formed obtains acceleration of the sensor on the direction of vertical level；
The length direction of sensor itself refers to that the length direction of tubular track, sole land moment sensor and horizontal plane
The angle of formation refers to the angle that the length direction of sole landing moment tubular track and horizontal plane are formed.
Further, the processor is also connected with gyroscope, what the sole landing moment sensor and horizontal plane were formed
Angle is measured by gyroscope.
Further, the expression formula for the pressure F that the measurement object of the sensor is subject to are as follows:
F=A*sin θ * I2Or F=B*sin θ * U2；
Wherein, I indicates that the output electric current of sole landing moment sensor, U indicate the output of sole landing moment sensor
Voltage, A and B are constant, and θ indicates the angle that sole landing moment sensor and horizontal plane are formed.
The beneficial effects of the present invention are: the present invention is by sensor measurement measurement object on the direction perpendicular to horizontal plane
Acceleration calculate pressure suffered by measurement object, and the sensor being directed to is only by tubular track, Buffer Unit, line
Circle and magnet composition, thus manufacturing cost of the invention is low, and sensor of the invention structure is simple and does not use rapid wear
Component is able to ascend the reliability of sensor.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the pressure sensing method for intelligent shoe of the present invention；
Fig. 2 is the structural schematic diagram of sensor in a kind of specific embodiment of the present invention；
Fig. 3 is mounting structure schematic diagram of the sensor in sole in a kind of specific embodiment of the present invention；
Fig. 4 is a kind of flow chart of the pressure sensing method for intelligent shoe of specific embodiment of the present invention；
Fig. 5 is the schematic diagram of the Force Calculation principle of inventive sensor.
Specific embodiment
Referring to Fig.1, a kind of pressure sensing method for intelligent shoe, comprising the following steps:
Processor obtains the output voltage or output electric current of sole landing moment sensor；
Processor according to the output voltage of acquisition or output electric current calculate sole landing moment sensor with horizontal plane
Acceleration on vertical direction；
Processor obtains sole according to acceleration of the sole landing moment sensor on the direction with horizontal plane and falls
The pressure that the measurement object of ground moment sensor is subject to；
The sensor includes tubular track, magnet and coil, and the tubular track both ends are equipped with Buffer Unit, the magnetic
Body is mounted in tubular track, and coil fixation is wrapped in outside tubular track, the output end of the coil and processor it is defeated
Enter end connection, the sensor is mounted in sole.
It is further used as preferred embodiment, the length direction of the tubular track and length direction of sole is parallel or shape
At an angle less than 10 °.
It is further used as preferred embodiment, the processor is calculated according to the output voltage or output electric current of acquisition
Sole landing moment sensor is specifically included in the step for acceleration on the direction with horizontal plane:
Processor calculates sole landing moment sensor in itself length direction according to output voltage or output electric current
On acceleration；
Processor lands acceleration and sole of the moment sensor on the length direction of itself according to sole and lands wink
Between the angle that is formed of sensor and horizontal plane obtain acceleration of the sensor on the direction of vertical level；
The length direction of sensor itself refers to that the length direction of tubular track, sole land moment sensor and horizontal plane
The angle of formation refers to the angle that the length direction of sole landing moment tubular track and horizontal plane are formed.
It is further used as preferred embodiment, the processor is also connected with gyroscope, and the sole landing moment passes
The angle that sensor is formed with horizontal plane is measured by gyroscope.
It is further used as preferred embodiment, the expression formula for the pressure F that the measurement object of the sensor is subject to are as follows:
F=A*sin θ * I2Or F=B*sin θ * U2；
Wherein, I indicates that the output electric current of sole landing moment sensor, U indicate the output of sole landing moment sensor
Voltage, A and B are constant, and θ indicates the angle that sole landing moment sensor and horizontal plane are formed.
For realizing a kind of pressure sensor device for intelligent shoe of method shown in Fig. 1, comprising:
Sensor, for acquiring the sole pressure that is subject to of landing instantaneous measurement object and generating output voltage or output electricity
Stream；
Processor, for according to the output voltage of acquisition or output electric current calculate sole landing moment sensor with water
Acceleration on the vertical direction of plane；And for landing moment sensor in the direction with horizontal plane according to sole
Acceleration obtain the pressure that is subject to of measurement object of sole landing moment sensor；
The sensor includes tubular track, magnet and coil, and the tubular track both ends are equipped with Buffer Unit, the magnetic
Body is mounted in tubular track, and coil fixation is wrapped in outside tubular track, the output end of the coil and processor it is defeated
Enter end connection, the sensor is mounted in sole.
Be further used as preferred embodiment, the length direction of the tubular track and the length direction of sole it is parallel or
Person forms an angle less than 10 °.
It is further used as preferred embodiment, the output voltage or output electric current according to acquisition calculates sole and fall
Acceleration of the ground moment sensor on the direction with horizontal plane specifically includes:
Sole landing moment sensor adding on the length direction of itself is calculated according to output voltage or output electric current
Speed；
Acceleration and sole landing moment sensing of the moment sensor on the length direction of itself are landed according to sole
The angle that device and horizontal plane are formed obtains acceleration of the sensor on the direction of vertical level；
The length direction of sensor itself refers to that the length direction of tubular track, sole land moment sensor and horizontal plane
The angle of formation refers to the angle that the length direction of sole landing moment tubular track and horizontal plane are formed.
It is further used as preferred embodiment, the processor is also connected with gyroscope, and the sole landing moment passes
The angle that sensor is formed with horizontal plane is measured by gyroscope.
It is further used as preferred embodiment, the expression formula for the pressure F that the measurement object of the sensor is subject to are as follows:
F=A*sin θ * I2Or F=B*sin θ * U2；
Wherein, I indicates that the output electric current of sole landing moment sensor, U indicate the output of sole landing moment sensor
Voltage, A and B are constant, and θ indicates the angle that sole landing moment sensor and horizontal plane are formed.
The present invention is further detailed with specific embodiment with reference to the accompanying drawings of the specification.
A kind of structure such as Fig. 2 institute of sensor involved in the pressure sensing method for intelligent shoe of the present embodiment
Show, which includes tubular track 100, magnet 200 and coil 300, and 100 both ends of tubular track are equipped with Buffer Unit
400, the tubular track 100 and magnet 200 are cylinder.The magnet 200 can be slided back and forth in tubular track 100
Dynamic, the length direction of the tubular track 100 and magnet 200 refers both to cylindrical high direction.The magnet 200 is mounted on pipe
In shape track 100, the fixation of coil 300 is wrapped in outside tubular track 100.Wherein, it can be set in tubular track 100 smooth
Coating, to reduce the resistance to sliding of magnet 200.In order to promote the reaction sensitivity of sensor, magnet 200 can use neodymium iron
The strong magnetic production of boron.The number of turns can be arranged in coil 300 according to the design needs.In the inside at the both ends (i.e. the end X and the end Y) of tubular track
It is equipped with Buffer Unit 400, the impact force of magnet 200 can be absorbed, to avoid magnet due to hitting tubular track both ends for a long time
And fragmentation, Buffer Unit 400 can effectively promote the service life of magnet.
Several sensor M02 shown in Fig. 2 can be mounted on shoes when implementing the method for the present embodiment referring to Fig. 3
In the M01 of bottom.Wherein, the length direction (i.e. the length direction of sensor) of tubular track it is parallel with the length direction of sole M01 or
Person forms an angle less than 10 °.When the length direction of sole can be defined as sole and lie in a horizontal plane in ground, sole is in water
(direction from heel to toe-cap or from toe-cap to heel is equal in the direction of the two o'clock line of lie farthest away in projection in plane
Can).The quantity of sensor M02 can have it is multiple, for measuring the pressure of sole different location.
Referring to Fig. 4, a kind of pressure sensing method for intelligent shoe of the present embodiment the following steps are included:
A, processor obtains the output voltage or output electric current of sole landing moment sensor；
B, processor according to the output voltage of acquisition or output electric current calculate sole landing moment sensor with level
Acceleration on the vertical direction in face；
Wherein step B includes step B1 and B2:
B1, processor calculate sole landing moment sensor in itself length side according to output voltage or output electric current
Upward acceleration；
B2, processor land acceleration and sole of the moment sensor on the length direction of itself according to sole and land
The angle that moment sensor and horizontal plane are formed obtains acceleration of the sensor on the direction of vertical level；
The length direction of sensor itself refers to that the length direction of tubular track, sole land moment sensor and horizontal plane
The angle of formation refers to the angle that the length direction of sole landing moment tubular track and horizontal plane are formed.
C, processor obtains sole according to acceleration of the sole landing moment sensor on the direction with horizontal plane
The pressure that the measurement object of landing moment sensor is subject to；
The expression formula for the pressure F that the measurement object of the sensor is subject to are as follows:
F=A*sin θ * I2Or F=B*sin θ * U2；
Wherein, I indicates that the output electric current of sole landing moment sensor, U indicate the output of sole landing moment sensor
Voltage, A and B are constant, and θ indicates the angle that sole landing moment sensor and horizontal plane are formed.
To in this present embodiment the step of number, only for the purposes of illustrate explanation and be arranged, to the sequence between step
Any restriction is not done, and the execution sequence of each step in embodiment can be adapted to according to the understanding of those skilled in the art
Property adjustment.
The working principle of the present embodiment is as follows:
It referring to Fig. 2, due to sensor level of approximation or is horizontally mounted in sole, i.e. the approximate water of tubular track 100
It puts down or is horizontally mounted in sole, and the direction of travel less parallel of tubular track 100 and people.And in people's walking,
Each step can undergo one to accelerate again to the process slowed down suddenly from lift leg to stopping over, and people is when stopping over, often with ground
Face forms an inclination angle.The moment impact force of sole landing moment sensor in the longitudinal direction is calculated as long as can so ask
Afterwards, the inclination angle between moment sensor and horizontal plane can be landed by measurement sole come obtain the moment impact force with water
Component (i.e. measurement object be subject to pressure) in plane vertical direction.Assuming that the end X of tubular track 100, close to toe-cap, Y is leaned at end
Nearly heel, then people applies forward acceleration to shoes, and magnet 200 between tubular track 100 due to rubbing when people's foot-up
It is smaller to wipe power, then magnet 200 can slide into the end Y under the action of inertia.And before stopping over, tubular track 100 and magnet 200 it
Between keep identical speed, between the two without relative motion, therefore voltage and current will not be generated.And when stopping over, tubulose
The speed meeting momentary attenuation of track 100 is 0, and magnet 200 can keep original speed.Subsequent magnet 200 and tubular track 100
Relative motion can occur, inductive voltage and current can be generated in coil 300, then magnet 200 can be hit at the end X.Due to
The sensor of the present embodiment is the microsensor for being embedded in sole, and therefore, the length of tubular track 100 is very short, at this point, magnet
Time required for the velocity attenuation of time required for 200 motion processes and tubular track 100 is 0 be it is close, herein may be used
To assume that the two is identical.Based on above-mentioned it is assumed that the acceleration of the deceleration moment of tubular track 100 can be calculated.It is specific to calculate
Process is as follows:
Firstly, obtaining formula (1) according to the relationship of the output voltage U of sensor and changes of magnetic field:
Wherein, n is the number of turns of coil, ΔΦ=Φ1-Φ2, Φ1And Φ2Respectively indicate the Y that magnet is placed in tubular track
When end, the magnetic induction density B at the end Y and the end X is measured1And B2With the ratio of tubular track area S, i.e.,B1、
B2It can be obtained when designing sensor with the numerical value of S, therefore can learn ΔΦ.
By formula (1) available formula (2):
Since sole lands moment, magnet can slide into the end X with the end Y.Therefore the stroke d=L of magnet1-L2, wherein L1For pipe
The length of shape track, L2For the length of magnet.
So the speed V of sole landing moment magnet can be expressed as formula (3):
Formula (2) is updated to formula (3) and obtains formula (4):
And according to the definition a=V/t and formula (4) of acceleration, available formula (5):
Wherein, a indicates acceleration of the magnet in sole landing moment magnet on the length direction of tubular track, due to this
Time required for time required for preceding hypothesis magnet movement process is 0 with the velocity attenuation of tubular track is identical, therefore a
Size can also indicate the acceleration magnitude of tubular track.
After acquiring the acceleration magnitude of tubular track, sensor (i.e. tubulose can be obtained according to Newton's second law
Track) in sole landing moment moment impact force F in its longitudinal direction0。
M indicates the quality of measurement object, and m can be obtained in design by measurement.
Referring to Fig. 4, when getting moment impact force F0It afterwards, can be according to the sensor obtained in sole landing instantaneous measurement
Angle theta between the length direction and horizontal plane of M02 obtains component F of the sensor on the direction with horizontal plane and (surveys
The pressure that amount object is subject to).And the expression formula of F are as follows:Due to
It can measure, therefore can be replaced with constant B in product design, finally obtain F=B*sin θ * U2.Similarly, Europe can be passed through
Nurse law obtains F=A*sin θ * I2, whereinThe resistance value of R expression sampling resistor.
And in practical applications, those skilled in the art can be modified above-mentioned constant A or constant B, make it
Enough adapt to reality.
Referring to Fig. 5, present embodiments provide a kind of sensing device for intelligent shoe comprising processor, sensor and
Gyroscope.The input terminal of the processor is connect with sensor and gyroscope.The processor, sensor and gyroscope cooperation are held
Row method as shown in Figure 4.
It is to be illustrated to preferable implementation of the invention, but the present invention is not limited to the embodiment above, it is ripe
Various equivalent deformation or replacement can also be made on the premise of without prejudice to spirit of the invention by knowing those skilled in the art, this
Equivalent deformation or replacement are all included in the scope defined by the claims of the present application a bit.
Claims (10)
1. a kind of pressure sensing method for intelligent shoe, it is characterised in that: the following steps are included:
Processor obtains the output voltage or output electric current of sole landing moment sensor；
Processor according to the output voltage of acquisition or output electric current calculate sole landing moment sensor with horizontal plane
Direction on acceleration；
Processor lands acceleration of the moment sensor on the direction with horizontal plane according to sole and obtains sole landing wink
Between sensor the pressure that is subject to of measurement object；
The sensor includes tubular track, magnet and coil, and the tubular track both ends are equipped with Buffer Unit, the magnet peace
In tubular track, the coil fixation is wrapped in outside tubular track, the output end of the coil and the input terminal of processor
Connection, the sensor are mounted in sole.
2. a kind of pressure sensing method for intelligent shoe according to claim 1, it is characterised in that: the tubular track
Length direction it is parallel with the length direction of sole or form an angle less than 10 °.
3. a kind of pressure sensing method for intelligent shoe according to claim 1, it is characterised in that: the processor root
Sole landing moment sensor adding on the direction with horizontal plane is calculated according to the output voltage or output electric current of acquisition
The step for speed, specifically includes:
Processor calculates sole landing moment sensor on the length direction of itself according to output voltage or output electric current
Acceleration；
Processor lands acceleration and sole landing moment of the moment sensor on the length direction of itself according to sole and passes
The angle that sensor and horizontal plane are formed obtains acceleration of the sensor on the direction of vertical level；
The length direction of sensor itself refers to that the length direction of tubular track, sole landing moment sensor are formed with horizontal plane
Angle refer to sole landing moment tubular track length direction and horizontal plane formed angle.
4. a kind of pressure sensing method for intelligent shoe according to claim 3, it is characterised in that: the processor is also
It is connected with gyroscope, the angle that the sole landing moment sensor is formed with horizontal plane is measured by gyroscope.
5. a kind of pressure sensing method for intelligent shoe according to claim 4, it is characterised in that: the sensor
The expression formula for the pressure F that measurement object is subject to are as follows:
F=A*sin θ * I2Or F=B*sin θ * U2；
Wherein, I indicates that the output electric current of sole landing moment sensor, U indicate the output voltage of sole landing moment sensor,
A and B is constant, and θ indicates the angle that sole landing moment sensor and horizontal plane are formed.
6. a kind of pressure sensor device for intelligent shoe, it is characterised in that: include:
Sensor, for acquiring the sole pressure that is subject to of landing instantaneous measurement object and generating output voltage or output electric current；
Processor, for according to the output voltage of acquisition or output electric current calculate sole landing moment sensor with horizontal plane
Acceleration on vertical direction；And for landing moment sensor adding on the direction with horizontal plane according to sole
Speed obtains the pressure that the measurement object of sole landing moment sensor is subject to；
The sensor includes tubular track, magnet and coil, and the tubular track both ends are equipped with Buffer Unit, the magnet peace
In tubular track, the coil fixation is wrapped in outside tubular track, the output end of the coil and the input terminal of processor
Connection, the sensor are mounted in sole.
7. a kind of pressure sensor device for intelligent shoe according to claim 6, it is characterised in that: the tubular track
Length direction it is parallel with the length direction of sole or form an angle less than 10 °.
8. a kind of pressure sensor device for intelligent shoe according to claim 6, it is characterised in that: described according to acquisition
Output voltage or output electric current calculate sole landing moment sensor on the direction with horizontal plane acceleration tool
Body includes:
Acceleration of the sole landing moment sensor on the length direction of itself is calculated according to output voltage or output electric current；
According to sole land acceleration of the moment sensor on the length direction of itself and sole landing moment sensor with
The angle that horizontal plane is formed obtains acceleration of the sensor on the direction of vertical level；
The length direction of sensor itself refers to that the length direction of tubular track, sole landing moment sensor are formed with horizontal plane
Angle refer to sole landing moment tubular track length direction and horizontal plane formed angle.
9. a kind of pressure sensor device for intelligent shoe according to claim 8, it is characterised in that: the processor is also
It is connected with gyroscope, the angle that the sole landing moment sensor is formed with horizontal plane is measured by gyroscope.
10. a kind of pressure sensor device for intelligent shoe according to claim 9, it is characterised in that: the sensor
The expression formula of pressure F that is subject to of measurement object are as follows:
F=A*sin θ * I2Or F=B*sin θ * U2；
Wherein, I indicates that the output electric current of sole landing moment sensor, U indicate the output voltage of sole landing moment sensor,
A and B is constant, and θ indicates the angle that sole landing moment sensor and horizontal plane are formed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303558A (en) * | 2021-06-08 | 2021-08-27 | 深圳市金大智能创新科技有限公司 | Special mechanical distribution acquisition and analysis device for shape selection of regular insoles |
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