CN109620591A - A kind of intelligent bed for safeguard and supervision for the aged - Google Patents
A kind of intelligent bed for safeguard and supervision for the aged Download PDFInfo
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- CN109620591A CN109620591A CN201910057417.4A CN201910057417A CN109620591A CN 109620591 A CN109620591 A CN 109620591A CN 201910057417 A CN201910057417 A CN 201910057417A CN 109620591 A CN109620591 A CN 109620591A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/001—Beds specially adapted for nursing; Devices for lifting patients or disabled persons with means for turning-over the patient
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4809—Sleep detection, i.e. determining whether a subject is asleep or not
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4815—Sleep quality
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4818—Sleep apnoea
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- 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
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6891—Furniture
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/34—General characteristics of devices characterised by sensor means for pressure
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Nursing (AREA)
- Anesthesiology (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The present invention relates to a kind of intelligent beds for safeguard and supervision for the aged, including height-adjustable bed ontology, install mattress body on bed ontology, further include the control structure for monitoring user's physiological parameter；The elderly's physiological parameter can be effectively detected in the present invention, and intelligence adjusts sleeping position, provides the monitoring service of safe and intelligent.
Description
Technical field
The present invention relates to a kind of intelligent beds for safeguard and supervision for the aged, belong to the adjustable bed and intelligent mattress manufacture neck of intelligence
Domain.
Background technique
The Aging Problem of today's society is increasingly severe, and present young man is largely only child, they are without foot
Enough time and efforts go to look after each old man of family, however the self care ability of the elderly is with advancing age
It gradually weakens, the nurse of the too busy to get away household of their daily life, therefore look after old man to become what young children faced
One problem.
There is no time enough to nurse old man to solve modern youth and ensure the peace in the elderly's daily life
Total state occurs much monitoring the Intelligent bracelet and intelligent bed of old man's vital sign such as heart rate and breathing currently on the market
The equipment such as pad, but these equipment price are relatively high, use relative complex, and the scope of application is narrow, while these equipment
The vital signs that old man can only simply be monitored can not give timely solution for some precarious positions.Such as Shen
Please numbers 201710037753.3 Chinese patent disclose a kind of flexible optical fibre sensor by being laid in mattress body and
Embedded sensor controller realizes the physical condition that can be realized the patient in monitoring mattress body, it is ensured that the safety of patient
Intelligent mattress, but the physical condition of mattress intelligent measurement patient can not be adjusted according to the physical condition of patient.
Application number 201410854626.9 discloses a kind of smart home bed, and this bed can help people to stand up and stool and urine, but its
Operating function operates opportunity there is still a need for artificial judgement and determines, not can be reduced the burden of guardian.It can be seen that coming current
This kind of product that can be adjusted with non-contact detection bedridden persons physiological parameter and intelligently is still than sparser in the market, tool
There is biggish Development volue.
Summary of the invention
The present invention provides a kind of intelligent bed for safeguard and supervision for the aged, and the elderly's physiological parameter, intelligence can be effectively detected
It is adjustable sleeping position, the monitoring service of safe and intelligent is provided.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of intelligent bed for safeguard and supervision for the aged, including height-adjustable bed ontology, install mattress on bed ontology
Ontology further includes the control structure for monitoring user's physiological parameter；
As present invention further optimization,
Bed ontology above-mentioned includes the column for being used to support bed board, at least one uniformly distributed scalable knot on bed board
Structure, the side rail in the side of bed ontology is installed, the other side installs outer side rail, installs sensing device on bed ontology；
Mattress body above-mentioned is installed in above the retractable structure of bed board, including from top to bottom successively the upper surface of laying is expected
Layer, piezoelectric thin film layer, flexible circuit layer, graphene resistance-type membrane array layer, nonwoven layer and the following bed of material；
Control structure above-mentioned includes power module, sensor signal conditioning module, sensor data acquisition module, MCU
Processing module and motor drive module, power module are sensor signal conditioning module, at sensor data acquisition module, MCU
Module and motor drive module power supply are managed, piezoelectric thin film layer passes through sensor signal conditioning module while and sensor data acquisition
Module, MCU processing module are connected, and graphene resistance-type membrane array layer passes through sensor signal conditioning module while and sensor
Data acquisition module, MCU processing module are connected, and sensor data acquisition module is connected with MCU processing module, MCU processing module
It is connected with sensing device；
As present invention further optimization,
Retractable structure above-mentioned includes lead screw stepper motor, and top is fixedly connected with one end of elevating screw, and is risen
The supporting block that lead screw is vertical with lead screw stepper motor to be fixed, and the other end fixation of elevating screw is contacted with mattress drops；
Retractable structure above-mentioned forms motor array in the column arrangement of eight rows 16；
As present invention further optimization,
Piezoelectric thin film layer above-mentioned includes by the spiral first part of piezoelectric film sensor, S-type second
Point, serpentine-like Part III and S-type Part IV, first part above-mentioned match with human body head, second
Point, Part III and human body part match, Part IV matches with human leg；Graphene resistance-type above-mentioned is thin
Membrane array layer includes at least one graphene sensor, forms cascaded structure between adjoining graphite alkene sensor；
As present invention further optimization,
Piezoelectric thin film layer above-mentioned draws electrode under piezoelectric membrane top electrode and piezoelectric membrane, while connecting with flexible circuit layer
It connects；
The array unit area density of graphene resistance sensor is 6 in graphene resistance-type membrane array layer above-mentioned
× 5, and be connected in series between each graphene resistance sensor by constant-current source conducting wire, while each graphene sensor two
End is separately connected contact conductor, and contact conductor is connected with sensor signal conditioning module；
As present invention further optimization,
Power module above-mentioned includes analog power, reference voltage source and digital power, wherein analog power and sensor
Signal conditioning module is connected, and reference voltage source is connected with sensor data acquisition module, and digital power and MCU handle mould
Block, motor drive module are connected；
Sensor signal conditioning module above-mentioned includes interconnected charge amplifier and frequency filter, and mutual
The amplifilter and multiway analog switch of connection, sensor data acquisition module include the first A/D module, the second A/D module, letter
Number isolation and pressure stabilizing isolation, MCU processing module includes STM32 Microcontrollers and FPGAs,
Piezoelectric thin film layer is connected by sequentially connected charge amplifier, frequency filter with the first A/D module, graphite
Alkene resistance-type membrane array layer is connected by sequentially connected amplifilter, multiway analog switch with the second A/D module, the
One A/D module is connected by signal isolation, pressure stabilizing isolation with STM32 single-chip microcontroller, and the second A/D module passes through signal isolation, pressure stabilizing
Isolation is connected with FPGA；
Motor drive module includes the relay, multi-channel gating switch and motor-drive circuit being sequentially connected, above-mentioned
FPGA is connected with relay, and the motor array that motor-drive circuit is constituted with by least one retractable structure is connected；
Sensing device above-mentioned is connected to STM32 single-chip microcontroller comprising be mounted on mattress body surface shock sensor,
Infrared sensor, alarm, speech recognition module, bluetooth module and the WIFI module being connected with remote controler, wherein bluetooth
Module shows with terminal APP with WIFI module and is connected to；
STM32 single-chip microcontroller is connect with RS232 interface simultaneously；
As present invention further optimization, piezoelectric thin film layer is made of PVDF material.
By above technical scheme, compared with the existing technology, the invention has the following advantages:
The piezoelectric membrane that the present invention uses, relative to traditional piezoelectric material, increases the spirit of sensor for PVDF material
Sensitivity keeps result more accurate；
The present invention can be generated huge when stressed using graphene resistance-type membrane array measurement stress distribution and stress intensity
Piezoelectric effect has higher sensitivity, improves detection speed；
The present invention uses adjustable bed, can by voice recognition instruction, tap instruction, remote controler and APP teleinstruction into
The adjusting of row bed structure greatly facilitates adjusting of the sleeper to bed structure；
It is of the present invention adjustable bed, it can not only be adjusted, can also be automatically adjusted by instruction；When local pressure mistake
The excessive breathing of big or heart rate is excessively rapid, and system, which can carry out local modulation, improves the comfort level of sleep quality, and in Ren Chu
When sleep state, system can control the function of bed body realization certain time automatic turn-over body, it is ensured that the comfort of sleep；
APP of the present invention can realize remote real time monitoring, sleep evaluation and the function of checking to historical data,
And it can be realized and be turned over by remote assistance old man, lift back, body leg, greatly reduced in the state of leaving sleeper's sleep alone
The monitoring of guardian is born
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overall structure diagram of the preferred embodiment of the present invention；
Fig. 2 is the mattress body structural schematic diagram of the preferred embodiment of the present invention；
Fig. 3 is the piezoelectric thin film layer and graphene resistance-type membrane array layer of the mattress body of the preferred embodiment of the present invention
Structural schematic diagram, wherein 3a is piezoelectric thin film layer schematic diagram, and 3b is graphene resistance-type membrane array schematic diagram of a layer structure；
Fig. 4 is the control structure system schematic of the preferred embodiment of the present invention；
Fig. 5 is the retractable structure schematic diagram of the preferred embodiment of the present invention；
Fig. 6 is schematic diagram of the retractable structure of the preferred embodiment of the present invention when specifically used in adjustment process,
In, 6a is the top view after retractable structure arrangement is neat, when 6b, 6c, 6d are retractable structure regulating mattress body heights
Structural side view；
Fig. 7 is the regulative mode figure of the mattress body of the preferred embodiment of the present invention；
Fig. 8 is the remote controler schematic diagram of the preferred embodiment of the present invention；
Fig. 9 is the terminal APP display schematic diagram of the preferred embodiment of the present invention.
In figure: 1 is mattress body, and 2 be button, and 3 be shock sensor, and 4 be outer side rail, and 5 be interior side rail, and 6a is upper
Precoat, 6b are the following bed of material, and 7 be piezoelectric thin film layer, and 8 be flexible circuit layer, and 9 be graphene resistance-type membrane array layer, 10
It is piezoelectric membrane top electrode for nonwoven layer, 11,12 be electrode under piezoelectric membrane, and 13 be piezoelectric film sensor, and 14 be electrode
Lead, 15 be constant-current source conducting wire, and 16 be graphene sensor, and 17a is lead screw stepper motor, and 17b is elevating screw, and 17c is branch
Bracer；
In remote interface, 18 be timing turning over key, and 19 rise key for back, and 21 decline key for back, and 20 are
Human leg rises key, and 22 decline key for human leg, and 23 be left turn key, and 24 be right turn key, and 25 be voice
Control button；
In terminal APP display interface, 26 be timing turning over key, and 27 rise key for back, and 28 decline key for back,
33 rise key for human leg, and 32 decline key for human leg, and 29 be left turn key, and 31 be right turn key, and 28 are
Hypnograph switches pages button, and 29 be warning note, and 30 be adjustable bed adjusting switching key, and 34 be the hypnograph page.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in figs. 1-9, the present invention includes following characteristics component: 1 is mattress body, and 2 be button, and 3 be vibration-sensing
Device, 4 be outer side rail, and 5 be interior side rail, and 6a is that the bed of material, 6b are the following bed of material above, and 7 be piezoelectric thin film layer, and 8 be flexible electrical
Road floor, 9 be graphene resistance-type membrane array layer, and 10 be nonwoven layer, and 11 be piezoelectric membrane top electrode, and 12 is under piezoelectric membranes
Electrode, 13 be piezoelectric film sensor, and 14 be contact conductor, and 15 be constant-current source conducting wire, and 16 be graphene sensor, and 17a is silk
Thick stick stepper motor, 17b are elevating screw, and 17c is supporting block；
In remote interface, 18 be timing turning over key, and 19 rise key for back, and 21 decline key for back, and 20 are
Human leg rises key, and 22 decline key for human leg, and 23 be left turn key, and 24 be right turn key, and 25 be voice
Control button；
In terminal APP display interface, 26 be timing turning over key, and 27 rise key for back, and 28 decline key for back,
33 rise key for human leg, and 32 decline key for human leg, and 29 be left turn key, and 31 be right turn key, and 28 are
Hypnograph switches pages button, and 29 be warning note, and 30 be adjustable bed adjusting switching key, and 34 be the hypnograph page.
A kind of intelligent bed for safeguard and supervision for the aged of the invention, including height-adjustable bed ontology, on bed ontology
Mattress body is installed, further includes the control structure for monitoring user's physiological parameter；
As present invention further optimization,
Bed ontology above-mentioned includes the column for being used to support bed board, at least one uniformly distributed scalable knot on bed board
Structure, the side rail in the side of bed ontology is installed, the other side installs outer side rail, installs sensing device on bed ontology；
Mattress body above-mentioned is installed in above the retractable structure of bed board, including from top to bottom successively the upper surface of laying is expected
Layer, piezoelectric thin film layer, flexible circuit layer, graphene resistance-type membrane array layer, nonwoven layer and the following bed of material；
Control structure above-mentioned includes power module, sensor signal conditioning module, sensor data acquisition module, MCU
Processing module and motor drive module, power module are sensor signal conditioning module, at sensor data acquisition module, MCU
Module and motor drive module power supply are managed, piezoelectric thin film layer passes through sensor signal conditioning module while and sensor data acquisition
Module, MCU processing module are connected, and graphene resistance-type membrane array layer passes through sensor signal conditioning module while and sensor
Data acquisition module, MCU processing module are connected, and sensor data acquisition module is connected with MCU processing module, MCU processing module
It is connected with sensing device；
As present invention further optimization,
Retractable structure above-mentioned includes lead screw stepper motor, and top is fixedly connected with one end of elevating screw, and is risen
The supporting block that lead screw is vertical with lead screw stepper motor to be fixed, and the other end fixation of elevating screw is contacted with mattress drops；
Retractable structure above-mentioned forms motor array in the column arrangement of eight rows 16；
As present invention further optimization,
Piezoelectric thin film layer above-mentioned includes by the spiral first part of piezoelectric film sensor, S-type second
Point, serpentine-like Part III and S-type Part IV, first part above-mentioned match with human body head, second
Point, Part III and human body part match, Part IV matches with human leg；Graphene resistance-type above-mentioned is thin
Membrane array layer includes at least one graphene sensor, forms cascaded structure between adjoining graphite alkene sensor；
As present invention further optimization,
Piezoelectric thin film layer above-mentioned draws electrode under piezoelectric membrane top electrode and piezoelectric membrane, while connecting with flexible circuit layer
It connects；
The array unit area density of graphene resistance sensor is 6 in graphene resistance-type membrane array layer above-mentioned
× 5, and be connected in series between each graphene resistance sensor by constant-current source conducting wire, while each graphene sensor two
End is separately connected contact conductor, and contact conductor is connected with sensor signal conditioning module；
As present invention further optimization,
Power module above-mentioned includes analog power, reference voltage source and digital power, wherein analog power and sensor
Signal conditioning module is connected, and reference voltage source is connected with sensor data acquisition module, and digital power and MCU handle mould
Block, motor drive module are connected；
Sensor signal conditioning module above-mentioned includes interconnected charge amplifier and frequency filter, and mutual
The amplifilter and multiway analog switch of connection, sensor data acquisition module include the first A/D module, the second A/D module, letter
Number isolation and pressure stabilizing isolation, MCU processing module includes STM32 Microcontrollers and FPGAs,
Piezoelectric thin film layer is connected by sequentially connected charge amplifier, frequency filter with the first A/D module, graphite
Alkene resistance-type membrane array layer is connected by sequentially connected amplifilter, multiway analog switch with the second A/D module, the
One A/D module is connected by signal isolation, pressure stabilizing isolation with STM32 single-chip microcontroller, and the second A/D module passes through signal isolation, pressure stabilizing
Isolation is connected with FPGA；
Motor drive module includes the relay, multi-channel gating switch and motor-drive circuit being sequentially connected, above-mentioned
FPGA is connected with relay, and the motor array that motor-drive circuit is constituted with by least one retractable structure is connected；
Sensing device above-mentioned is connected to STM32 single-chip microcontroller comprising be mounted on mattress body surface shock sensor,
Infrared sensor, alarm, speech recognition module, bluetooth module and the WIFI module being connected with remote controler, wherein bluetooth
Module shows with terminal APP with WIFI module and is connected to；
STM32 single-chip microcontroller is connect with RS232 interface simultaneously；
As present invention further optimization, piezoelectric thin film layer is made of PVDF material.
Shown in Fig. 3, shown in 3a, in piezoelectric thin film layer, corresponding head position uses the spiral-shaped distribution of concentric circles, increases
The contact area on head, position below head is using S-shaped with the snakelike form combined, the sufficiently contact surface of increase human body
The characteristics of accumulating, while effectively saving material, considering organization of human body, the layout of piezoelectric thin film layer is in the wider position of human body
It sets such as back and huckle and increases distribution area, it is ensured that the accurate sensitivity of signal, so that sleeper comes into full contact with
To piezoelectric membrane, it is ensured that the success rate of signal acquisition, while saving cost.
Shown in Fig. 3 b, the array unit area density of graphene resistance sensor in graphene resistance-type membrane array layer
It is 6 × 5, and is connected in series and passes through 1mA constant current I between each graphene resistance sensor by constant-current source conducting wire,
Each graphene sensor both ends respectively with contact conductor come in the voltage value at measurement sensor both ends, such as Fig. 3 b V11,
V512, V61, V65, when graphene resistance sensor membrane array stress, the variation of resistance value drives the variation of voltage value, is
System can adjust sleeping position by the size of voltage variety come adjust automatically bed structure, achieve the purpose that comfortable sleeping.
It is the schematic diagram of retractable structure shown in Fig. 5, motor is screw rod stepper motor, wherein turn of screw rod stepper motor
The dynamic turbine rotation driven inside motor, turbine center is internal thread structure, is equivalent to the nut and elevating screw of elevating screw
Matching, cooperates with elevating screw, turbine rotation drives elevating screw to axially move, realize the elevating function of elevating screw,
To achieve the purpose that screw rod stepper motor regulating mattress ontology height；Motor array drives the upper and lower of elevating screw by rotation
Mobile supporting block achievees the purpose that change mattress body structure indicates motor array with array B by software programming,Wherein B is 8 rows 16 column, by software programming, by reaching adjustment bed body to array B assignment
The purpose of structure is turned over when the right side element organizing Y1It is assigned to array B, when a left side is turned over array Y2It is assigned to array B, wherein Y1And Y2It is all 8
Row 16 arranges, as follows:
Wherein k is a suitable constant, value range 2cm-6cm；
When needing to raise back by array Y3It is assigned to B, by array Y when if desired raising leg4It is assigned to B, is needed same
When raising back and leg by array Y5It is assigned to B, wherein Y3、Y4、Y5It is all 8 rows 16 for the array of corresponding bed structure
Column；Adjusting mattress body structure simultaneously can be adjusted by various modes.
Shown in Fig. 6,6a is the top view after retractable structure arrangement is neat, the motor arranged by 8 row 16 moving up and down
Array is constituted, and the structure of mattress body is adjusted by adjusting the height of multiple array blocks, reaches the function of turning over and rise and retire, figure
6b is the side view that mattress body head is raised, leg is raised, and 6c is the side view that a mattress body left side is turned over, and 6d is a mattress body left side
Outer side rail is installed in the side view turned over, retractable structure side rail in the side of bed ontology is installed, the other side, and guardrail rack is protected
Shield sleeper to avoid the danger of bed, and external guardrail is equipped with button, can protect outside when the button is pressed
Bottom is down on column, thus old man can be facilitated to go to bed, and when pressing again, guardrail is risen, and is additionally provided with shake in mattress body
Dynamic sensor, sleeper can be by tapping, and shock sensor feeds back information to STM32 single-chip microcontroller, can be by STM32 single-chip microcontroller control
Motor array processed moves up and down the bed body morphosis for reaching desired.
The adjustable bed adjusting, which can be divided into automatic adjustment and instruct, to be adjusted, and automatic adjustment includes automatic local directed complete set and determines
When turn over, when local pressure is excessive or heart rate value is larger, when breathing more rapid, system detection is to can be by adjusting at this time
Local bed height improves sleep quality comfort level, and can make that heart rate is too fast, the case where being short of breath is improved；When
When human body is in sleep, system also can be set certain time and turn over once；Instruction is adjusted can be by phonetic order, percussion
Instruction, remote control control and long-range APP are adjusted；
It specifically explains and is are as follows: automatic adjustment includes automatic local directed complete set and timing turning over, and instruction adjusting includes that voice is known
Not, it taps, remote controller key and APP remotely adjust；When people is in sleep state, even if system body of the present invention has
Discomfort, which cannot carry out rationally adjusting by instruction, can also achieve the purpose that comfortable sleeping by automatic adjustment bed body structure, when
The array of graphene resistance sensor, portion voltage variable quantity are more than average value, illustrate that stress is excessive herein, at this time locating position
The motor array set reduces to improve local pressure situation by automatic fine tuning localized raised or part, and then improves sleep quality
Comfort level, as human heart rate and excessively high respiratory rate, system detection to after can by automatic fine tuning mattress body structure come
Improve；For people during sleep and handicapped old man, the settable T time of system carries out turning over a body；In view of old man
A variety of instruction modes can be used in the convenience of operation, speech recognition is turned over by a key search such as left side, the right side is turned over, back is raised and
It bends one's legs to change bed structure；By shock sensor shown in FIG. 1, shock sensor is clouted, then clouts vibration-sensing
Behind device, back is raised at this time, clouts shock sensor, then clout before shock sensor, and leg portion raises at this time, is struck
Shock sensor once, then the shock sensor left side is clouted, a left side is turned at this time, clouts shock sensor, then clout vibration
On the right of sensor, the right side is turned at this time, if clouting shock sensor, under corresponding position taps two, bed body returns to home position；
Change the purpose of bed structure as Fig. 8 can reach by the corresponding key of remote controler, while being the time on remote controler
Bedsore interval when the settable sleep of button is set；Wherein, 18 be timing turning over key, and opening timing turning over can be set
Function, 19,21 be respectively that back rises key and decline key, and human body back part can be lifted or declined after pressing,
20,22 be respectively human leg's raising and lowering key, and Leg portion can be lifted or decline by pressing, and 23,24 be respectively that a left side is turned over
Body and right turn key, left turn and right turn operation can be carried out to upper people is lain in by pressing, and 25 be voice control key, is pressed
The i.e. executable corresponding movement of the corresponding instruction of voice input afterwards.
If Fig. 9 is by long-range APP, the family members of sleeper can remotely be controlled the structure of bed body by long-range APP, be turned over
Body, adjustment lift back and bent one's legs, while APP can also be with remotely located bedsore interval T, wherein 26 be timing turning over key
Key can be set and open timing turning over function, and 27,28 be respectively that backs rise key and decline key, can be with after pressing
Lifting or decline human body back part, 33,32 be respectively human leg's raising and lowering key, and pressing can be lifted or decline
Leg portion, 29,31 be respectively left turn and right turn key, and pressing can grasp to the upper left turn of people's progress is lain in right turn
Make, 28 switch pages button for hypnograph, hypnograph page can be switched to after click, 29 be warning note, works as detection
It when to abnormal physical signs, will sound an alarm, 30 be adjustable bed adjusting switching key, will be switched after pressing
It is the hypnograph page to the adjustable bed adjusting page, 34, the inside can check that the hypnograph of adjustable bed personnel above includes: to sleep
Sleep the time, sleep scoring, the sleeping time, shallow sleep time, deep sleep time, average heart rate, average breathing, apnea,
The data such as turn, can also check historical data, may advantageously facilitate blood circulation in this way, improve body local numbness and pain,
And greatly reduce the manpower and material resources of old man's turn.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the application fields.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
The meaning of "and/or" described herein refers to that the case where respective individualism or both exists simultaneously wraps
Including including.
The meaning of " connection " described herein can be between component be directly connected to be also possible to pass through between component
Other components are indirectly connected with.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (7)
1. a kind of intelligent bed for safeguard and supervision for the aged, it is characterised in that: including height-adjustable bed ontology, on bed ontology
Mattress body is installed, further includes the control structure for monitoring user's physiological parameter.
2. the intelligent bed according to claim 1 for safeguard and supervision for the aged, it is characterised in that:
Bed ontology above-mentioned includes the column for being used to support bed board, at least one uniformly distributed retractable structure on bed board,
Interior side rail is installed in the side of bed ontology, and the other side installs outer side rail, installs sensing device on bed ontology；
Mattress body above-mentioned is installed in above the retractable structure of bed board, including the upper surface of from top to bottom successively lay the bed of material,
Piezoelectric thin film layer, flexible circuit layer, graphene resistance-type membrane array layer, nonwoven layer and the following bed of material；
Control structure above-mentioned includes power module, sensor signal conditioning module, sensor data acquisition module, MCU processing
Module and motor drive module, power module are sensor signal conditioning module, sensor data acquisition module, MCU processing mould
Block and motor drive module power supply, piezoelectric thin film layer by sensor signal conditioning module simultaneously with sensor data acquisition mould
Block, MCU processing module be connected, graphene resistance-type membrane array layer by sensor signal conditioning module simultaneously with sensor number
According to acquisition module, MCU processing module be connected, sensor data acquisition module is connected with MCU processing module, MCU processing module and
Sensing device is connected.
3. the intelligent bed according to claim 2 for safeguard and supervision for the aged, it is characterised in that: retractable structure packet above-mentioned
Lead screw stepper motor is included, top is fixedly connected with one end of elevating screw, and elevating screw is vertical with lead screw stepper motor solid
It is fixed, the fixed supporting block contacted with mattress of the other end of elevating screw；
Retractable structure above-mentioned forms motor array in the column arrangement of eight rows 16.
4. the intelligent bed according to claim 2 for safeguard and supervision for the aged, it is characterised in that: piezoelectric thin film layer packet above-mentioned
It includes the spiral first part of piezoelectric film sensor, S-type second part, serpentine-like Part III and in S
The Part IV of type, first part above-mentioned match with human body head, second part, Part III and human body part phase
Matching, Part IV match with human leg；Graphene resistance-type membrane array layer above-mentioned includes at least one graphene
Sensor forms cascaded structure between adjoining graphite alkene sensor.
5. the intelligent bed according to claim 4 for safeguard and supervision for the aged, it is characterised in that:
Piezoelectric thin film layer above-mentioned draws electrode under piezoelectric membrane top electrode and piezoelectric membrane, while connecting with flexible circuit layer；
The array unit area density of graphene resistance sensor is 6 × 5 in graphene resistance-type membrane array layer above-mentioned,
And it is connected in series between each graphene resistance sensor by constant-current source conducting wire, while each graphene sensor both ends point
Other connection electrode lead, contact conductor are connected with sensor signal conditioning module.
6. the intelligent bed according to claim 3 for safeguard and supervision for the aged, it is characterised in that:
Power module above-mentioned includes analog power, reference voltage source and digital power, wherein analog power and sensor signal
Conditioning module is connected, and reference voltage source is connected with sensor data acquisition module, digital power and MCU processing module, electricity
Machine drive module is connected；
Sensor signal conditioning module above-mentioned includes interconnected charge amplifier and frequency filter, and is interconnected
Amplifilter and multiway analog switch, sensor data acquisition module include the first A/D module, the second A/D module, signal every
It to be isolated from pressure stabilizing, MCU processing module includes STM32 Microcontrollers and FPGAs,
Piezoelectric thin film layer is connected by sequentially connected charge amplifier, frequency filter with the first A/D module, graphene electricity
Resistive membrane array layer is connected by sequentially connected amplifilter, multiway analog switch with the second A/D module, the first AD
Module is connected by signal isolation, pressure stabilizing isolation with STM32 single-chip microcontroller, and the second A/D module is isolated by signal isolation, pressure stabilizing
It is connected with FPGA；
Motor drive module includes the relay, multi-channel gating switch and motor-drive circuit being sequentially connected, FPGA above-mentioned with
Relay is connected, and the motor array that motor-drive circuit is constituted with by least one retractable structure is connected；
Sensing device above-mentioned is connected to STM32 single-chip microcontroller comprising be mounted on mattress body surface shock sensor, with it is distant
Infrared sensor, alarm, speech recognition module, bluetooth module and WIFI module that device is connected are controlled, wherein bluetooth module
It shows and is connected to terminal APP with WIFI module；
STM32 single-chip microcontroller is connect with RS232 interface simultaneously.
7. the intelligent bed according to claim 2 for safeguard and supervision for the aged, it is characterised in that: piezoelectric thin film layer uses PVDF
Material production.
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| CN201910057417.4A CN109620591A (en) | 2019-01-22 | 2019-01-22 | A kind of intelligent bed for safeguard and supervision for the aged |
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