CN110025163A - A kind of Intelligent cushion and its method for detecting sitting posture - Google Patents
A kind of Intelligent cushion and its method for detecting sitting posture Download PDFInfo
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- CN110025163A CN110025163A CN201910371143.6A CN201910371143A CN110025163A CN 110025163 A CN110025163 A CN 110025163A CN 201910371143 A CN201910371143 A CN 201910371143A CN 110025163 A CN110025163 A CN 110025163A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 210000001217 buttock Anatomy 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 210000000689 upper leg Anatomy 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000004590 computer program Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 206010050031 Muscle strain Diseases 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for chairs
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The purpose of the application is to provide a kind of Intelligent cushion and its method for detecting sitting posture, which includes cushion；Flexible circuit board, the flexible circuit board are set in the cushion；Diaphragm pressure sensing device, the diaphragm pressure sensing device are set on the flexible circuit board；Flexible protective set, the flexible protective set coats the diaphragm pressure sensing device and the flexible circuit board, so that make ultra-thin Intelligent cushion and user is allowed to fold and roll, it is easy to carry.And using the Intelligent cushion for detecting sitting posture, so that the sitting posture information that user is calculated is carried out, to remind user to adjust sitting posture in time by the data for collecting accurate diaphragm pressure sensing device.
Description
Technical field
A kind of method this application involves smart home field more particularly to Intelligent cushion and its for detecting sitting posture.
Background technique
Traditional seat is common seat, does not have intelligent function, currently, occurring in traditional various seats, bench
On, by way of increasing a cushion, by traditional Chinese chair intelligence.And the volume of common Intelligent cushion is bigger, it is inconvenient
In carrying.In addition, for the crowd of some long-term sittings, the problems such as being easy to cause lumbar muscle strain, pain in back and loin, cervical vertebra stiffness,
And people often forgets about the activity of standing up and once alleviates fatigue caused by this sitting, current cushion is intelligent not enough, with
Detect user whether sitting posture correct or sitting, carry out prompting user.
Summary of the invention
The purpose of the application is to provide a kind of Intelligent cushion and its method for detecting sitting posture, solves the prior art
The problem of middle Intelligent cushion outer dimension is larger, sitting posture that is not portable and cannot detecting user.
According to the one aspect of the application, a kind of Intelligent cushion, including cushion are provided；Flexible circuit board, it is described
Flexible circuit board is set in the cushion；Diaphragm pressure sensing device, the diaphragm pressure sensing device are set to described soft
On property circuit board；Flexible protective set, the flexible protective set coat the diaphragm pressure sensing device and the flexible circuit board.
Further, the Intelligent cushion includes connector, is set to the flexible protective set below the cushion
Extexine, for the Intelligent cushion to be fixed on supporting body.
Further, the Intelligent cushion includes cavity body structure and control device, and the cavity body structure is set to the seat
The edge of pad body, the control device are set in the cavity of the cavity body structure.
Further, the Intelligent cushion includes power supply device, and the power supply device is sensed with the diaphragm pressure respectively
Device and control device connection.
Further, the control device includes analog-to-digital conversion module and transmission module, and the analog-to-digital conversion module is used for
After the pressure data that the diaphragm pressure sensing device acquires is converted, terminal device is transmitted to by the transmission module.
Further, the control device includes data processing module and timing module, and the timing module is used for basis
The diaphragm pressure sensing device records time data when starting to acquire data, the data processing module was used for according to the time
Pressure data after converting in data and the analog-to-digital conversion module determines the sitting posture information of user, and the sitting posture information is led to
It crosses the transmission module and is transmitted to the terminal device.
Further, the control device includes: D/A converter module and constant current source module,
The D/A converter module is used to export burning voltage reference signal according to the control of the data processing module, with
As reference voltage；
The constant current source module is used to pass through the diaphragm pressure sensing device based on burning voltage reference signal control
Electric current it is constant；
The analog-to-digital conversion module is for converting the voltage of collection point, by the voltage output of the collection point after conversion
To the data processing module, wherein the collection point is the diaphragm pressure sensing device, the constant current source module and the mould
The common connecting point of number conversion module.
Further, the data processing module is used for the electricity according to the collection point after the reference voltage, the conversion
The supply voltage that pressure and the power supply device provide determines the current pressure value of the diaphragm pressure sensing device.
Further, the control device includes filter module, and the filter module is used for the D/A converter module
After the burning voltage reference signal of output carries out High frequency filter, it is transmitted to the constant current source module.
Further, the diaphragm pressure sensing device includes multiple diaphragm pressure sensing devices, on the flexible circuit board
It is symmetrical according to preset interval.
Further, the multiple diaphragm pressure sensing device is sitting in the intelligence according to user on the flexible circuit board
Pressure when cushion is arranged evenly, wherein at least one diaphragm pressure sensing device is distributed in below the thigh of the user, at least
One diaphragm pressure sensing device is distributed in below the buttocks of the user.
According to further aspect of the application, a kind of Intelligent cushion using as described in aforementioned is additionally provided for detection seat
The method of appearance, wherein the described method includes:
The pressure data for obtaining diaphragm pressure sensing device acquisition, according to the pressure data and preset pressure threshold decision institute
It states on Intelligent cushion with the presence or absence of user；
When there are user, according to the time data of timing module record and the pressure of membrane sensor acquisition
Data determine the sitting posture information of the user；
The sitting posture information of the user is sent to terminal device.
Further, the pressure data of diaphragm pressure sensing device acquisition is obtained, comprising:
The burning voltage reference signal for determining the D/A converter module output, as reference voltage；
The voltage of collection point after obtaining conversion in the analog-to-digital conversion module, wherein the collection point is the film
The common connecting point of piece pressure sensor, the constant current source module and the analog-to-digital conversion module；
The pressure sensor is determined according to the voltage of the collection point after the reference voltage, the conversion and supply voltage
Current pressure data.
Further, the pressure data for obtaining diaphragm pressure sensing device acquisition, according to the pressure data and preset pressure
It whether there is user on Intelligent cushion described in threshold decision, comprising:
It obtains on the circuit board according to the pressure of the symmetrical multiple diaphragm pressure sensing devices acquisition of preset interval
Data determine on the Intelligent cushion when the pressure data of each diaphragm pressure sensing device acquisition is all larger than preset pressure threshold value
There are users.
Further, according to the time data of timing module record and the pressure data of membrane sensor acquisition
Determine the sitting posture information of the user, comprising:
Pressure mean value is determined according to the pressure data of each diaphragm pressure sensing device acquisition；
The pressure data of the pressure mean value and each diaphragm pressure sensing device acquisition is sought into difference, determines multiple pressure
Difference information；
The sitting posture information of the user is determined according to the change information of the multiple pressure difference value information.
Further, the sitting posture information of the user is sent to terminal device, comprising:
When the time data of timing module record are more than preset time threshold, sitting prompting message is sent to institute
State the corresponding terminal device of user.
Compared with prior art, the application provides a kind of Intelligent cushion, including cushion, diaphragm pressure sensing device, electricity
Road plate and protective jacket, in which: the material of the circuit board is flexible material, is set in the cushion；The pressing diaphragm
Force snesor is set on the circuit board, for acquiring pressure data；The material of the protective jacket is flexible material, for wrapping
The diaphragm pressure sensing device and the circuit board are covered, so that making ultra-thin Intelligent cushion and user being allowed to fold
With roll, it is easy to carry.Further, the application passes through acquisition film by using the Intelligent cushion for detecting sitting posture
Piece pressure sensor acquisition pressure data, be according on Intelligent cushion described in the pressure data and preset pressure threshold decision
It is no that there are users；When there are user, acquired according to the time data of timing module record and the membrane sensor
Pressure data determines the sitting posture information of the user；The sitting posture information of the user is sent to terminal device, thus by adopting
Collect the data of accurate pressure sensor, the sitting posture information that user is calculated is carried out, to remind user to adjust sitting posture in time.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows a kind of structural schematic diagram of the Intelligent cushion provided according to the one aspect of the application；
Fig. 2 shows another structural schematic diagrams of Intelligent cushion in one embodiment of the application；
Fig. 3 shows the perspective view of the explosion being made of in one embodiment of the application each component of Intelligent cushion；
Fig. 4 shows the circuit diagram of Intelligent cushion in one embodiment of the application；
Fig. 5 shows a kind of method for being used to detect sitting posture using Intelligent cushion provided according to further aspect of the application
Flow diagram；
Fig. 6 shows the position view of multiple diaphragm pressure sensing devices in one embodiment of the application.
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing.
Fig. 1 shows a kind of structural schematic diagram of the Intelligent cushion provided according to the one aspect of the application, including cushion sheet
Body 1；Flexible circuit board 3, the flexible circuit board 3 are set in the cushion 1；Diaphragm pressure sensing device 2, the diaphragm
Pressure sensor 2 is set on the flexible circuit board 3, for acquiring pressure data；Flexible protective set 4, the flexible protective
4 cladding of the set diaphragm pressure sensing device 2 and the flexible circuit board 3.In one embodiment of the application, as shown in Fig. 2, flexible
It is surrounded by flexible circuit board 3, diaphragm pressure sensing device 4 in protective jacket 4, can play a protective role, and can carry at any time.Its
In, the material of flexible protective set can be woollen blanket, canvas etc..Diaphragm pressure sensing device 4 is diaphragm pressure sensor, with a thickness of
It 0.1-0.2 millimeters, can be bent.Flexible circuit board 3 has height using polyimides or polyester film as one kind made of sill
Spend reliability, reelability printed circuit board.So that can make very thin of Intelligent cushion described herein and allowing to use
Family folds and rolls, easy to carry.
In one embodiment of the application, the Intelligent cushion includes connector 5, is set to 1 lower section of cushion
The extexine of flexible protective set 4, for the Intelligent cushion to be fixed on supporting body.Here, connector 5 can be velcro,
Facilitate bonding and fixation, so that Intelligent cushion docile is on the object that seat, foot pad etc. should not move.
It continues to refer to figure 1, the Intelligent cushion includes cavity body structure 6 and control device 7, and the cavity body structure 6 is set to
The edge of the cushion 1, the control device 7 are set in the cavity of the cavity body structure 6.Here, cushion edge part
Dividing can be set circuit control part, and marginal portion is made to the cavity body structure of rectangle or cylinder etc., inside setting control
Device, foldable integral and carrying convenient for cushion, and will not be comfortable because being influenced when the control device part of setting sits user
Degree.
As shown in Fig. 2, the Intelligent cushion includes power supply device 8, the power supply device 8 is passed with the diaphragm pressure respectively
Sensor 3 and the control device 7 connect, for providing power supply for the diaphragm pressure sensing device 2 and the control device 7.?
This, power supply device 8 can be battery, be mountable to the edge of cushion, such as be set to the outer surface of cavity body structure, be cavity knot
The control device of the inside of structure provides power supply and provides power supply for the circuit board in cushion.Fig. 3 is shown in an embodiment
The explosive view being made of velcro 5, flexible protective set 4, battery 8, flexible circuit board 3 and diaphragm pressure sensing device 2, flexible electrical
Membrane sensor is installed on the plate of road and is used to detect the pressure signal data of human body, equipment and component are by Bao Rou on all circuits
In property protective jacket, play a protective role, and can be carried with oneself.
In one embodiment of the application, the circuit diagram of Intelligent cushion as shown in Figure 4, the control device 7 includes
Analog-to-digital conversion module 71 and transmission module 72, what the analog-to-digital conversion module 71 was used to acquire the diaphragm pressure sensing device 2
After pressure data is converted, terminal device is transmitted to by the transmission module 72.Here, analog-to-digital conversion module 71 is modulus
Converter ADC, transmission module 72 can be bluetooth module, and the collected pressure data of membrane sensor is carried out analog-to-digital conversion by ADC
Terminal device is transmitted to by bluetooth module afterwards, wherein terminal device can be the mobile terminal device of user.
With continued reference to Fig. 4, the control device 7 includes data processing module 73 and timing module 74, the timing module
74 are used to record time data when starting to acquire data according to the diaphragm pressure sensing device 2, and the data processing module 73 is used
In the sitting posture information for determining user according to the pressure data after converting in the time data and the analog-to-digital conversion module 71, and
The sitting posture information is transmitted to the terminal device by the transmission module 72.Here, being got by timing module 74
Time data, so that the sitting posture information of user, such as sitting information, user's body be calculated according to the pressure data after conversion
"Left"-deviationist, Right deviation, lean forward, the posture informations such as hypsokinesis, carry out adjustment sitting posture in time to facilitate user to understand sitting posture information.
With continued reference to Fig. 4, the control device 7 includes: D/A converter module 75 and constant current source module 76, and the digital-to-analogue turns
It changes the mold block 75 to be used to export burning voltage reference signal according to the control of the data processing module 73, using as reference voltage；
The constant current source module 76 is used to pass through based on the burning voltage reference signal control electric current of the diaphragm pressure sensing device 2
It is constant；The analog-to-digital conversion module 71 is for converting the voltage of collection point, by the voltage output of the collection point after conversion
To the data processing module 73, wherein the collection point be the diaphragm pressure sensing device 2, the constant current source module 76 and
The common connecting point of the analog-to-digital conversion module 71.Here, membrane sensor 2 is diaphragm pressure sensor, change in resistance model
It is nonlinear for enclosing larger and resistance value curve, it is therefore desirable to the circuit of adjustable driving diaphragm pressure sensor, so that film
Pressure sensor is able to maintain in a metastable range in the voltage of the output signal under different pressures section, to guarantee
The precision of data acquisition.May be accomplished by: data processing module 73 controls the output of digital analog converter DAC circuit and stablizes
Voltage reference signal, which is stablized by constant-current source circuit, guarantees the situation constant in voltage reference signal
It is constant by the electric current of diaphragm pressure sensor 2 down.
Further, the data processing module 73 is used for according to the collection point after the reference voltage, the conversion
The supply voltage that voltage and the power supply device 8 provide determines the current pressure value of the diaphragm pressure sensing device.Here, data
Processing module 73 reads the output voltage of diaphragm pressure sensor 2 by analog-digital converter ADC, that is, reads the voltage of collection point,
The voltage of reading is the voltage after ADC is converted, and passes through electric power output voltage, reference voltage and data processing module
The voltage of 73 collection points read determines the current pressure of diaphragm pressure sensor 2.
In one embodiment of the application, the control device 7 includes filter module 77, and the filter module 77 is used for institute
After the burning voltage reference signal progress High frequency filter for stating the output of D/A converter module 75, it is transmitted to the constant current source module 76.
Here, passing through filter module after the control digital analog converter adc circuit of data processing module 73 exports stable voltage reference signal
After 77 filter the high frequency spurs in signal, the constant-current source circuit of rear class is transported to the benchmark of burning voltage, wherein filter network
The characteristics of cutoff frequency point can according to need the signal of measurement is set.
In one embodiment of the application, the diaphragm pressure sensing device 2 includes multiple diaphragm pressure sensing devices, in the electricity
It is symmetrical according to preset interval on road plate 3.Here, for the sitting posture information of detection user, settable multiple diaphragms on circuit board 3
Pressure sensor, it is symmetrical according to preset interval.Preferably, the multiple diaphragm pressure sensing device is in the flexible circuit board
On pressure when being sitting in the Intelligent cushion according to user it is arranged evenly, wherein at least one diaphragm pressure sensing device is distributed in
Below the thigh of the user, at least one diaphragm pressure sensing device is distributed in below the buttocks of the user.When setting number
When for 5 diaphragm pressure sensors as shown in Figure 2, bilateral symmetry 4, when people is sitting on Intelligent cushion, positioned at human body
Below thigh, close to cavity body structure one, below the buttocks of human body.5 diaphragm pressure sensors respectively with analog-to-digital conversion
Five channels of device ADC are attached, and respective collected data are transmitted to analog-digital converter and are converted, thus data
Processing module is believed according to the sitting posture that the pressure data in the data of timer record and the ADC of acquisition be calculated user
Breath, to be transmitted to terminal device by bluetooth module.For example, can be counted by 5 collected data of diaphragm pressure sensor
Calculation obtain user whether lean forward, hypsokinesis, "Left"-deviationist, Right deviation etc..It is, of course, also possible to include four diaphragms of only bilateral symmetry distribution
The number of pressure sensor, diaphragm pressure sensing device described in the embodiment of the present application is only for example.
Fig. 5 shows a kind of Intelligent cushion using as described in aforementioned provided according to further aspect of the application for examining
Survey the method flow schematic diagram of sitting posture, which comprises step S11~step S13, wherein in step s 11, obtain film
Piece pressure sensor acquisition pressure data, be according on Intelligent cushion described in the pressure data and preset pressure threshold decision
It is no that there are users；Here, reading the collected pressure data of multiple diaphragm pressure sensing devices, data are analyzed, are judged whether useful
It sits down at family；Then in step s 12, when there are user, according to the time data of timing module record and the diaphragm
The pressure data of sensor acquisition determines the sitting posture information of the user；Here, the sitting posture information of user includes the posture of user
Information, such as lean forward, hypsokinesis, "Left"-deviationist and Right deviation information, and whether be sitting information, whether judge user according to time data
For sitting, the posture information of user is judged according to collected multiple pressure datas；In step s 13, by the seat of the user
Appearance information is sent to terminal device, here, the sitting posture information for the user being calculated is sent to terminal device, such as the shifting of user
Dynamic terminal device reminds the user that adjustment sitting posture in time.
In one embodiment of the application, in step s 11, the burning voltage benchmark of the D/A converter module output is determined
Signal, as reference voltage；The voltage of collection point after obtaining conversion in the analog-to-digital conversion module, wherein the acquisition
Point is the common connecting point of the diaphragm pressure sensing device, the constant current source module and the analog-to-digital conversion module；According to described
The voltage and supply voltage of collection point after reference voltage, the conversion determine the current pressure data of the pressure sensor.
Here, the burning voltage reference signal of D/A converter module output is denoted as Vdac as reference voltage, data processing module is read
The voltage for getting the collection point in ADC is denoted as Vout, is denoted as Is by the electric current of pressure sensor, the resistance value of pressure sensor is
Rs, supply voltage output voltage are VCC, the then voltage for the collection point that data processing module is read and the resistance value of pressure sensor
Corresponding relationship is as follows: Vout=VCC-Is*Rs, wherein Is is steady state value in the case where reference voltage is constant, with digital-to-analogue conversion
It is in fixed relationship that device DAC, which exports Vdac, is denoted as: Is=f (Vdac), according to the resistance value pair of the voltage of collection point and pressure sensor
It should be related to and the relationship of Is and Vdac obtains: Rs=(VCC-Vout)/f (Vdac), so as to obtain pressure sensor
The current pressure value of pressure sensor can be obtained according to the corresponding relationship of resistance value and pressure in resistance value, so that the pressure finally obtained
It is worth more accurate.
In one embodiment of the application, in step s 11, obtain symmetrical according to preset interval on the circuit board
Multiple diaphragm pressure sensing devices acquisition pressure data, when each diaphragm pressure sensing device acquisition pressure data be all larger than it is default
When pressure threshold, determine that there are users on the Intelligent cushion.Here, settable symmetrical on the circuit board of Intelligent cushion
Multiple diaphragm pressure sensing devices, it is as shown in Figure 2, five diaphragm pressure sensing devices are set, is successively read each sensor and adopts
The value collected is then judged as that there are users to sit down when the collected data of each sensor are both greater than preset pressure threshold value, if
Less than preset pressure threshold value, then judge that no user is sat down.Further, in step s 13, when the timing module records
Between data be more than preset time threshold when, sitting prompting message is sent to the corresponding terminal device of the user.Here, when sentencing
It is disconnected when sitting down there are user, start timing, the intelligent movable equipment for reaching the time rear line of setting sends what sitting was reminded
Signal.
In one embodiment of the application, in step s 12, according to the pressure data of each diaphragm pressure sensing device acquisition
Determine pressure mean value；The pressure data of the pressure mean value and each diaphragm pressure sensing device acquisition is sought into difference, determination is more
A pressure difference value information；The sitting posture information of the user is determined according to the change information of the multiple pressure difference value information.Here,
Such as using five diaphragm pressure sensing devices of setting as shown in FIG. 6, pressure that can first to five pressure sensor collection points
Make every effort to average value N, the value of each pressure spot is denoted as Na, Nb, Nc, Nd and Ne, and the value of five pressure spots is put down with pressure respectively
Mean value N seeks difference, is denoted as Δ Na, Δ Nb, Δ Nc, Δ Nd, Δ Ne.When the value of Δ Na and Δ Nb increases, and Δ Nc and Δ Nd
When value reduces, indicate that user's sitting posture is Right deviation；When the value of Δ Na and Δ Nb reduce, and the value of Δ Nc and Δ Nd increase, table
Show user's sitting posture for "Left"-deviationist；When the value of Δ Nb and Δ Nd increase, and the value of Δ Ne reduces, before indicating that user's sitting posture is
Incline；When the value of Δ Nb and Δ Nd reduce, and the value of Δ Ne increases, indicate that user's sitting posture is hypsokinesis.When user's generation is above-mentioned
Any sitting posture information or including two not the sitting posture information in contradiction direction when, to the mobile terminal device of user send remind
Information, to remind user to be adjusted sitting posture in time.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
It should be noted that the application can be carried out in the assembly of software and/or software and hardware, for example, can adopt
With specific integrated circuit (ASIC), general purpose computer or any other realized similar to hardware device.In one embodiment
In, the software program of the application can be executed to implement the above steps or functions by processor.Similarly, the application
Software program (including relevant data structure) can be stored in computer readable recording medium, for example, RAM memory,
Magnetic or optical driver or floppy disc and similar devices.In addition, hardware can be used to realize in some steps or function of the application, example
Such as, as the circuit cooperated with processor thereby executing each step or function.
In addition, a part of the application can be applied to computer program product, such as computer program instructions, when its quilt
When computer executes, by the operation of the computer, it can call or provide according to the present processes and/or technical solution.
And the program instruction of the present processes is called, it is possibly stored in fixed or moveable recording medium, and/or pass through
Broadcast or the data flow in other signal-bearing mediums and transmitted, and/or be stored according to described program instruction operation
In the working storage of computer equipment.Here, including a device according to one embodiment of the application, which includes using
Memory in storage computer program instructions and processor for executing program instructions, wherein when the computer program refers to
When enabling by processor execution, method and/or skill of the device operation based on aforementioned multiple embodiments according to the application are triggered
Art scheme.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case where without departing substantially from spirit herein or essential characteristic, the application can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and scope of the present application is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the application.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " does not exclude other units or steps, and odd number is not excluded for plural number.
Claims (16)
1. a kind of Intelligent cushion, including
Cushion；
Flexible circuit board, the flexible circuit board are set in the cushion；
Diaphragm pressure sensing device, the diaphragm pressure sensing device are set on the flexible circuit board；
Flexible protective set, the flexible protective set coat the diaphragm pressure sensing device and the flexible circuit board.
2. Intelligent cushion according to claim 1, which is characterized in that the Intelligent cushion includes connector, is set to institute
The extexine for stating the flexible protective set below cushion, for the Intelligent cushion to be fixed on supporting body.
3. Intelligent cushion according to claim 1, which is characterized in that the Intelligent cushion includes cavity body structure and control dress
It sets, the cavity body structure is set to the edge of the cushion, and the control device is set to the cavity of the cavity body structure
It is interior.
4. Intelligent cushion according to claim 1 or 3, which is characterized in that the Intelligent cushion includes power supply device, described
Power supply device is connect with the diaphragm pressure sensing device and the control device respectively.
5. Intelligent cushion according to claim 3, which is characterized in that the control device includes analog-to-digital conversion module and biography
Defeated module, the analog-to-digital conversion module is for passing through after being converted the pressure data that the diaphragm pressure sensing device acquires
The transmission module is transmitted to terminal device.
6. Intelligent cushion according to claim 5, which is characterized in that the control device includes data processing module and meter
When module, the timing module be used for according to the diaphragm pressure sensing device start acquire data when record time data, it is described
Data processing module is used to determine user according to the pressure data after converting in the time data and the analog-to-digital conversion module
Sitting posture information, and the sitting posture information is transmitted to the terminal device by the transmission module.
7. Intelligent cushion according to any one of claim 3 to 6, which is characterized in that the control device includes: digital-to-analogue
Conversion module and constant current source module,
The D/A converter module be used for according to the control of the data processing module export burning voltage reference signal, using as
Reference voltage；
The constant current source module is used to pass through based on the burning voltage reference signal control electricity of the diaphragm pressure sensing device
It flows constant；
The analog-to-digital conversion module is for converting the voltage of collection point, by the voltage output of the collection point after conversion to institute
State data processing module, wherein the collection point turns for the diaphragm pressure sensing device, the constant current source module and the modulus
Change the mold the common connecting point of block.
8. Intelligent cushion according to claim 7, which is characterized in that the data processing module is used for according to the benchmark
The supply voltage that the voltage of collection point after voltage, the conversion and the power supply device provide determines the diaphragm pressure sensing
The current pressure value of device.
9. Intelligent cushion according to claim 7, which is characterized in that the control device includes filter module, the filter
After the burning voltage reference signal that wave module is used to export the D/A converter module carries out High frequency filter, it is transmitted to the perseverance
Flow source module.
10. Intelligent cushion according to claim 1, which is characterized in that the diaphragm pressure sensing device includes multiple diaphragms
Pressure sensor, it is symmetrical according to preset interval on the flexible circuit board.
11. Intelligent cushion according to claim 10, which is characterized in that the multiple diaphragm pressure sensing device is described soft
Property circuit board on pressure when being sitting in the Intelligent cushion according to user it is arranged evenly, wherein at least one diaphragm pressure sensing
Device is distributed in below the thigh of the user, at least one diaphragm pressure sensing device is distributed in below the buttocks of the user.
12. a kind of method that the Intelligent cushion using as described in any one of claims 1 to 11 is used to detect sitting posture, wherein
The described method includes:
The pressure data for obtaining diaphragm pressure sensing device acquisition, according to intelligence described in the pressure data and preset pressure threshold decision
User can be whether there is on cushion；
When there are user, according to the time data of timing module record and the pressure data of membrane sensor acquisition
Determine the sitting posture information of the user；
The sitting posture information of the user is sent to terminal device.
13. according to the method for claim 12, wherein obtain the pressure data of diaphragm pressure sensing device acquisition, comprising:
The burning voltage reference signal for determining the D/A converter module output, as reference voltage；
The voltage of collection point after obtaining conversion in the analog-to-digital conversion module, wherein the collection point is the pressing diaphragm
The common connecting point of force snesor, the constant current source module and the analog-to-digital conversion module；
Determine that the pressure sensor is current according to the voltage of the collection point after the reference voltage, the conversion and supply voltage
Pressure data.
14. according to the method for claim 12, wherein the pressure data for obtaining diaphragm pressure sensing device acquisition, according to institute
It states on Intelligent cushion described in pressure data and preset pressure threshold decision with the presence or absence of user, comprising:
The pressure data acquired on the circuit board according to the symmetrical multiple diaphragm pressure sensing devices of preset interval is obtained,
When the pressure data of each diaphragm pressure sensing device acquisition is all larger than preset pressure threshold value, determines to exist on the Intelligent cushion and use
Family.
15. according to the method for claim 14, wherein according to the time data of timing module record and the diaphragm
The pressure data of sensor acquisition determines the sitting posture information of the user, comprising:
Pressure mean value is determined according to the pressure data of each diaphragm pressure sensing device acquisition；
The pressure data of the pressure mean value and each diaphragm pressure sensing device acquisition is sought into difference, determines multiple pressure difference values
Information；
The sitting posture information of the user is determined according to the change information of the multiple pressure difference value information.
16. according to the method for claim 14, wherein the sitting posture information of the user is sent to terminal device, comprising:
When the time data of timing module record are more than preset time threshold, sitting prompting message is sent to the use
The corresponding terminal device in family.
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| CN201910371143.6A CN110025163A (en) | 2019-05-06 | 2019-05-06 | A kind of Intelligent cushion and its method for detecting sitting posture |
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| CN201910371143.6A CN110025163A (en) | 2019-05-06 | 2019-05-06 | A kind of Intelligent cushion and its method for detecting sitting posture |
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