CN109526125A - A kind of intelligent learning device - Google Patents
A kind of intelligent learning device Download PDFInfo
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- CN109526125A CN109526125A CN201910067057.6A CN201910067057A CN109526125A CN 109526125 A CN109526125 A CN 109526125A CN 201910067057 A CN201910067057 A CN 201910067057A CN 109526125 A CN109526125 A CN 109526125A
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- 230000006870 function Effects 0.000 claims abstract description 9
- 238000012937 correction Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 5
- 230000036544 posture Effects 0.000 claims description 43
- 230000002159 abnormal effect Effects 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- 241001062009 Indigofera Species 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 208000001491 myopia Diseases 0.000 abstract description 5
- 230000004379 myopia Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 3
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 208000000875 Spinal Curvatures Diseases 0.000 description 2
- 206010047571 Visual impairment Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 208000029257 vision disease Diseases 0.000 description 2
- 230000004393 visual impairment Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention belongs to Smart Home technical fields, it is related to a kind of intelligent learning device, including study table, seat, desk lamp, backrest, the first ultrasonic sensor, the second ultrasonic sensor, photosensitive sensor, voice module, chair control case, master controller, the first Bluetooth control module, the first battery, desk lamp control cabinet, submaster controller, the second Bluetooth control module, the second battery, electromagnetic relay, vibrating disk, linear motor, display screen, lower groove, upper groove and pressure sensor；It is incorrect and prompt sitting correction set by detecting student's learning posture automatically, setting learning time timing and rest function is reminded, avoids student because of learning time too long influence health, automatic sensing ambient light is strong and weak and realizes that desk lamp automatic switch or adjustment light are strong and weak, pre- myopia prevention and waist disease, energy saving, overall construction design is reasonable, using easy to operate, scientific in principle is reliable, and adjusting operation is nimble, securely and reliably, popularize versatile, application environment close friend.
Description
Technical field:
The invention belongs to Smart Home technical fields, are related to a kind of intelligent learning device, especially a kind of automatic detection
Sitting posture of student can simultaneously issue the study equipment for reminding sitting correction set or the voice prompting sound taken a good rest, and desk lamp may be implemented certainly
The function of dynamic switch.
Background technique:
With the continuous development of society and cultural knowledge, the knowledge that student needs to learn and grasp is also more and more, study
Task and learning pressure greatly increase, and learn the problem of also bringing a series of influence student's health for a long time.
Such as used by students during reading can immerse wherein and have forgotten the time, study of bending over the desk for a long time causes more and more student eyesights serious
Decline, and the degree of myopia also continues to increase；Learn for a long time, lack movement, student's physical function is caused to decline；Learning
In the process, some sitting posture of student are incorrect causes visual impairment or spinal curvature to deform, and the body for seriously affecting students is strong
Health, some student's self-controls are poor, and parent cannot constantly accompany prompting again；And existing study equipment, the intensity of light can not
It adjusts, also seriously affects the eyesight of student；Therefore, seek to design a kind of intelligent learning device, it is automatic whether to detect sitting posture of student
Correctly, have the function of reminding student's sitting correction set, and desk lamp automatic switch is realized according to light intensity, it is too long when learning time
When reaching setting value, equipment is automatically reminded to rest.
Summary of the invention:
It is an object of the invention to overcome disadvantage of the existing technology, proposition designs a kind of intelligent learning device, with
Detection student's learning posture is incorrect and prompt the timely sitting correction set of student, prevention because learning posture it is incorrect caused by visual impairment
And the problems such as spinal curvature, realize that desk lamp automatic switch, design rest reminding function avoid student because of study according to light intensity
Time long influence health.
In order to achieve the above-mentioned object of the invention, the main structure of apparatus of the present invention includes: that study table, seat, desk lamp, seat lean on
Back, the first ultrasonic sensor, the second ultrasonic sensor, photosensitive sensor, voice module, chair control case, master controller,
First Bluetooth control module, the first battery, desk lamp control cabinet, submaster controller, the second Bluetooth control module, the second battery, electromagnetism
Relay, vibrating disk, linear motor, display screen, upper groove, lower groove and pressure sensor；Seat with frame structure leans on
The seat of back and the height of study table match, and bend over the desk to learn to use for student, the adjustable fixed placement of desk lamp is in study table
In top side face；The leading flank position of backrest is provided with two upper grooves and lower groove being located on same vertical line, upper groove
The distance between lower groove respectively corresponds two different height positions of human body back between 80~300mm；Upper groove is under
The first ultrasonic sensor and the second ultrasonic sensor, the first ultrasonic sensor and second are fixedly installed in groove respectively
Ultrasonic sensor is ultrasonic distance-measuring sensor, the modulation sound wave of ultrasonic oscillator transmitting high frequency is utilized respectively, through human body
Afterwards after back reflection, the first ultrasonic sensor and the second ultrasonic sensor are calculated respectively at a distance from human body back；First
Ultrasonic sensor and the second ultrasonic sensor respectively be mounted in chair control case between master controller that power information is connect,
Master controller receives the range information of the first ultrasonic sensor and the transmitting of the second ultrasonic sensor and is handled；Pressure passes
Sensor installation by adhering is used for induction pressure on the pedestal of seat, and power information connects between pressure sensor and master controller,
When someone sits on seat, pressure sensor is by the pressure signal transmission sensed to master controller, main controller controls light
Dependent sensor is started to work；The top surface that photosensitive sensor and voice module are respectively and fixedly installed to backrest open up two is simultaneously
In the cavity for arranging setting, power information is connect between master controller respectively for photosensitive sensor and voice module；Photosensitive sensor is used
In the brightness of induction ambient enviroment light, the resistance value of photosensitive sensor dies down with light and increases and turn light luminance signal
It changes resistance value signal into, then passes to master controller；The embedded voice broadcast program that is provided with of voice module: first is " seat
Appearance is incorrect, woulds you please adjust sitting posture ", Article 2 is " you successive learning 2 hours, please have a rest "；Voice module with
Power information connects between master controller, and broadcasts voice according to the control instruction of master controller；Chair control case is fixedly mounted on
The bottom surface of seat is fixedly installed with master controller, the first Bluetooth control module and the first battery, the first bluetooth in chair control case
Power information connects between control module and master controller, and master controller is powered by the first battery, constitutes the control of power information integral type
Structure；Desk lamp control cabinet is fixedly mounted in the pedestal of desk lamp, is fixedly installed with submaster controller, second in desk lamp control cabinet respectively
Bluetooth control module and electromagnetic relay, the submaster controller power information between the second Bluetooth control module and electromagnetic relay respectively
Connection, submaster controller are powered by the second battery, and power information connects between electromagnetic relay and the switch of desk lamp；Master controller and pair
Realize that RI radio intelligence connects with the second Bluetooth control module by the first Bluetooth control module respectively between controller, photosensitive biography
The resistance value information that sensor passes to master controller passes through the nothing between the first Bluetooth control module and the second Bluetooth control module
Line communication passes to submaster controller；Sound prompt function and corresponding program are set in master controller: including when someone sits on
When on seat, by the pressure signal transmission sensed to master controller, main controller controls timer starts to count pressure sensor
When and control photosensitive sensor start-up operation, after human body leaves seat, pressure sensor incude less than pressure signal, master controller
The signal that pressure sensor transmitting comes is not received, main controller controls photosensitive sensor is closed, and signal is blue by first
Tooth control module and the second Bluetooth control module pass to submaster controller, and submaster controller controls electromagnetic relay and closes desk lamp；If
Setting allows the maximum time value of successive learning to be 2 hours, and control voice module issues that " your successive learning 2 hours please rest
Prompt tone a little while "；The permission difference of first ultrasonic sensor and the second ultrasonic sensor detecting distance difference is set
Range is 30~150mm；It is arranged when the difference of the first ultrasonic sensor and the second ultrasonic sensor detected value is beyond permission
Range, and exceed when holding time more than setting value 5 seconds of difference allowed band, the sending of control voice module " abnormal sitting posture is true,
Would you please adjust sitting posture " prompt tone.Program is set in submaster controller: when the resistance value of photosensitive sensor transmitting is equal to or more than set
At 30 kilo-ohms of definite value, submaster controller controls the switch that electromagnetic relay opens desk lamp, when resistance value is lower than 30 kilo-ohms of setting value,
Submaster controller controls the switch that electromagnetic relay closes desk lamp, reaches and is judged to open and close desk lamp according to ambient light power,
Avoid the unnecessary wasting of resources.
In the use of the present invention, pressure sensor senses pressure signal and passes signal when taking on chair
Master controller is passed, master controller starts photosensitive sensor and starts to work, and it is bright that photosensitive sensor incudes ambient enviroment light in real time
Degree, and the resistance value information that resistance value changes with light intensity is passed into master controller, when the resistance of photosensitive sensor transmitting
When value is greater than or equal to 30 kilo-ohms, the submaster controller of information is received by the first Bluetooth control module and the second Bluetooth control module
The switch that electromagnetic relay opens desk lamp is controlled, is brightened and photosensitive biography when photosensitive sensor incudes ambient enviroment light in real time later
When the resistance value of sensor transmitting is lower than 30 kilo-ohms, submaster controller controls the switch that electromagnetic relay closes desk lamp；First ultrasonic wave
Sensor and each self-test of the second ultrasonic sensor pass to master controller at a distance from human body back, and by signal；Master control
After device processed receives signal, signal processing is carried out, calculates the first ultrasonic sensor and the second ultrasonic sensor and human body back
Difference is compared judgement with 30~150mm of permission difference range of setting by the difference of distance, when forward lean, difference meeting
Become larger, when calculating difference be more than allowed band and difference overrun when holding time more than setting value 5 seconds, master controller control
Voice module processed issues the prompt tone of " abnormal sitting posture is true, woulds you please adjust sitting posture ", when human body sitting posture is adjusted in allowed band,
Voice module stops playing alert tones, allows 30~150mm of difference range effectively to control the distance between seated user and desk, has
Conducive to correct sitting posture is guaranteed, voice prompting effectively prevent seated user's study or the course of work to put into very much and forget to pay attention to asking for sitting posture
Topic effectively prevent leading to myopia because abnormal sitting posture is true；Master controller starts to count when pressure sensor senses that human body is sat down
When, when sitting consecutive hours is long reaches setting value 2 hours, " successive learning 2 is small for you for the sending of main controller controls voice module
When, please have a rest " prompt tone, remind study personnel rest；Program can also be set, when detecting the continuous duration of sitting
When reaching setting value 2 hours, main controller controls voice module issues " you successive learning 2 hours, please have a rest "
Prompt tone, then, electromagnetic relay close desk lamp switch.When successive learning duration was less than 2 hours, human body leaves seat
Afterwards, main controller controls photosensitive sensor is closed, and is controlled electromagnetic relay and closed desk lamp.
Intelligent learning device of the present invention is not only applicable to student group, is also applied to other bend over the desk study or works
Make group.
The embedded vibrating disk of elastic construction, vibrating disk and installation are formed on the surface of seat of the present invention at center
It is connected in the straight-line electric arbor of seat bottom, and is connected to respectively with master controller power information, realize control, when voice reminder is sat
When person does not have timely correction sitting posture, linear motor drives vibrating disk to vibrate up and down, and push type reminds seated user's correcting sitting postures, until first
The ranging difference of ultrasonic sensor and the second ultrasonic sensor within the allowable range when, main controller controls vibrating disk stop
Vibration；The vibrating disk be diameter made of rubber material be 20~50mm, the disc structure with a thickness of 5~15mm, avoid
Strong shock is generated when vibration to seated user.
Display screen is set in the study table, and power information connects between display screen and master controller, when classroom or surrounding
When environment does not allow to issue voice prompting, main controller controls display screen is with display type or illuminated prompt seated user's correcting sitting postures.
Compared with prior art, the present invention by the way that detection student's learning posture is incorrect automatically and prompts sitting correction set, if
It sets learning time timing and reminds rest function, avoid student because of learning time too long influence health；Automatic sensing environment
Light intensity simultaneously realizes that desk lamp is automatically switched, and pre- myopia prevention and waist disease are energy saving；Its overall construction design is reasonable, makes
With easy to operate, scientific in principle is reliable, and it is nimble to adjust operation, securely and reliably, popularizes versatile, application environment is friendly.
Detailed description of the invention:
Fig. 1 is overall structure schematic illustration of the invention；
Fig. 2 is the internal structure schematic illustration of chair control case of the invention；
Fig. 3 is the internal structure schematic illustration of desk lamp control cabinet of the invention；
Fig. 4 is the theory structure block diagram between control unit of the invention.
Specific embodiment:
Below by specific embodiment and in conjunction with attached drawing, the invention will be further described.
Embodiment 1:
The intelligent learning device that the present embodiment is related to, main structure include: study table 1, seat 2, desk lamp 3, seat
Backrest 4, the first ultrasonic sensor 5, the second ultrasonic sensor 6, photosensitive sensor 7, voice module 8, chair control case 9,
Master controller 10, the first Bluetooth control module 11, the first battery 12, desk lamp control cabinet 13, submaster controller 14, the second Bluetooth control
Module 15, the second battery 16, electromagnetic relay 17, vibrating disk 18, linear motor 19, display screen 20, upper groove 21, lower groove 22
With pressure sensor 23；The seat 2 of backrest 4 with frame structure and the height of study table 1 match, and bend over the desk for student
Study uses, and the adjustable fixed placement of desk lamp 3 is in the top side face of study table 1；The leading flank position of backrest 4 is provided with two
Upper groove 21 and lower groove 22 on same vertical line, the distance between upper groove 21 and lower groove 22 are 80~300mm
Between, respectively correspond two different height positions of human body back；It is fixedly installed with first respectively in upper groove 21 and lower groove 22
Ultrasonic sensor 5 and the second ultrasonic sensor 6, the first ultrasonic sensor 5 and the second ultrasonic sensor 6 are ultrasound
Wave distance measuring sensor is utilized respectively the modulation sound wave of ultrasonic oscillator transmitting high frequency, after human body after back reflection, calculates first
Ultrasonic sensor 5 and the second ultrasonic sensor 6 are respectively at a distance from human body back；First ultrasonic sensor 5 and second
Ultrasonic sensor 6 respectively be mounted in chair control case 9 between master controller 10 that power information is connect, master controller 10 receives
First ultrasonic sensor 5 and the range information of the second ultrasonic sensor 6 transmitting are simultaneously handled；Pressure sensor 23 is embedded in
Formula is mounted on the pedestal of seat 2, is used for induction pressure, and power information connects between pressure sensor 23 and master controller 10, when
When someone is sat on seat 2, pressure sensor 23 by the pressure signal transmission sensed to master controller 10, control by master controller 10
Photosensitive sensor 7 processed is started to work；The top surface that photosensitive sensor 7 and voice module 8 are respectively and fixedly installed to backrest 4 opens up
Two cavitys arranged side by side in, power information is connect between master controller 10 respectively for photosensitive sensor 7 and voice module 8；
Photosensitive sensor 7 is used to incude the brightness of ambient enviroment light, the resistance value of photosensitive sensor 7 with light die down and increase and incite somebody to action
Light luminance signal is converted into resistance value signal, then passes to master controller 10；Voice module 8 is embedded to be provided with voice broadcast
Program: first is " abnormal sitting posture is true, would you please adjust sitting posture ", and Article 2 is that " your successive learning 2 hours please rest one
Meeting youngster "；Power information connects between voice module 8 and master controller 10, and broadcasts voice according to the control instruction of master controller 10；
Chair control case 9 is fixedly mounted on the bottom surface of seat 2, and master controller 10, the first bluetooth control are fixedly installed in chair control case 9
Molding block 11 and the first battery 12, power information connects between the first Bluetooth control module 11 and master controller 10, master controller 10
It is powered by the first battery 12, constitutes power information integral type control structure；Desk lamp control cabinet 13 is fixedly mounted on the pedestal of desk lamp 3
It is interior, submaster controller 14, the second Bluetooth control module 15 and electromagnetic relay 17 are fixedly installed in desk lamp control cabinet 13 respectively, it is secondary
Power information is connect controller 14 between the second Bluetooth control module 15 and electromagnetic relay 17 respectively, and submaster controller 14 is by second
Battery 16 is powered, and power information connects between electromagnetic relay 17 and the switch of desk lamp 3；Between master controller 10 and submaster controller 14
Realize that RI radio intelligence connects with the second Bluetooth control module 15 by the first Bluetooth control module 11 respectively, photosensitive sensor 7
The resistance value information for passing to master controller 10 passes through between the first Bluetooth control module 11 and the second Bluetooth control module 15
Wireless communication passes to submaster controller 14；It is set with sound prompt function and corresponding program in master controller 10: having including working as
When people is sat on seat 2, by the pressure signal transmission sensed to master controller 10, master controller 10 controls pressure sensor 23
Timer start timing and control photosensitive sensor 7 start-up operation, after human body leaves seat 2, pressure sensor 23 induction less than
Pressure signal, master controller 10 do not receive the signal that the transmitting of pressure sensor 23 comes, and master controller 10 controls photosensitive sensor 7
It closes, and signal is passed into submaster controller 14, pair control by the first Bluetooth control module 11 and the second Bluetooth control module 15
Device 14 processed controls electromagnetic relay 17 and closes desk lamp 3；Being arranged allows the maximum time value of successive learning to be 2 hours, controls voice
Module 8 issues the prompt tone of " you successive learning 2 hours, please have a rest "；First ultrasonic sensor 5 and are set
The permission difference range of two ultrasonic sensors, 6 detecting distance difference is 30~150mm；Setting is when the first ultrasonic sensor 5
Exceed allowed band with the difference of 6 detected value of the second ultrasonic sensor, and is more than beyond holding time for difference allowed band
At setting value 5 seconds, control voice module 8 issues the prompt tone of " abnormal sitting posture is true, woulds you please adjust sitting posture ".It is set in submaster controller 14
Set program: when photosensitive sensor 7 transmit resistance value be equal to or more than 30 kilo-ohms of setting value when, submaster controller 14 control electromagnetism after
Electric appliance 17 opens the switch of desk lamp 3, and when resistance value is lower than 30 kilo-ohms of setting value, submaster controller 14 controls electromagnetic relay 17 and closes
The switch for closing desk lamp 3 reaches and is judged to open and close desk lamp according to ambient light power, avoids the unnecessary wasting of resources.
When the present embodiment is in use, when taking on chair, pressure sensor 23 senses pressure signal and will letter
Master controller 10 number is passed to, master controller 10 starts photosensitive sensor 7 and starts to work, and photosensitive sensor 7 is in real time around induction
Ambient brightness, and the resistance value information that resistance value changes with light intensity is passed into master controller 10, work as light sensor
When the resistance value that device 7 transmits is greater than or equal to 30 kilo-ohms, pass through the first Bluetooth control module 11 and the second Bluetooth control module 15
The submaster controller 14 for receiving information controls the switch that electromagnetic relay 17 opens desk lamp 3, later when photosensitive sensor 7 incudes in real time
When the resistance value that ambient enviroment light brightens and photosensitive sensor 7 transmits is lower than 30 kilo-ohms, submaster controller 14 controls electromagnetism relay
The switch of the closing desk lamp 3 of device 17；First ultrasonic sensor 5 and each self-test of the second ultrasonic sensor 6 and human body back
Distance, and signal is passed into master controller 10；After master controller 10 receives signal, signal processing is carried out, calculates the first ultrasound
The difference of wave sensor 5 and the second ultrasonic sensor 6 and human body back distance, by the permission difference range 30 of difference and setting
~150mm is compared judgement, and when forward lean, difference can become larger, when calculating difference is more than allowed band and difference is more than model
Enclose when holding time more than setting value 5 seconds, master controller 10 control voice module 8 issue " abnormal sitting posture is true, would you please adjustment sit
The prompt tone of appearance ", when human body sitting posture is adjusted in allowed band, voice module 8 stops playing alert tones, allows difference range
30~150mm effectively controls the distance between seated user and desk, advantageously ensures that correct sitting posture, and voice prompting effectively prevent sitting
Person's study or the course of work put into very much and forget the problem of paying attention to sitting posture, effectively prevent leading to myopia because abnormal sitting posture is true；It is main
Controller 10 starts timing when pressure sensor 23 senses that human body is sat down, when sitting consecutive hours is long reach setting value 2 it is small when
When, master controller 10 controls the prompt tone that voice module 8 issues " you successive learning 2 hours, please have a rest ", reminds
Study personnel rest；Program can also be set, when detecting that sitting consecutive hours length reaches setting value 2 hours, master controller 10
Control the prompt tone that voice module 8 issues " you successive learning 2 hours, please have a rest ", then, electromagnetic relay 17
Desk lamp 3 is closed to switch.When successive learning duration was less than 2 hours, after human body leaves seat 2, master controller 10 controls photosensitive biography
Sensor 7 is closed, and is controlled electromagnetic relay 17 and closed desk lamp 3.
The intelligent learning device that the present embodiment is related to is not only applicable to student group, be also applied to other bend over the desk study or
Work group.
The embedded vibrating disk 18 of elastic construction, vibrating disk are formed on the surface for the seat 2 that the present embodiment is related at center
18 are connected with 19 axis of linear motor for being mounted on seat bottom, and are connected to respectively with 10 power information of master controller, realize control,
When voice reminder seated user does not have timely correction sitting posture, linear motor 19 drives vibrating disk 18 to vibrate up and down, and push type reminds seated user
Correcting sitting postures, until the ranging difference of the first ultrasonic sensor 5 and the second ultrasonic sensor 6 within the allowable range when, it is main
Controller 10 controls vibrating disk 18 and stops vibration；The vibrating disk 18 be diameter made of rubber material be 20~50mm, thickness
Degree is the disc structure of 5~15mm, avoids generating seated user strong shock when vibration.
Display screen 20 is set in the study table 1, and power information connects between display screen 20 and master controller 10, works as classroom
Or ambient enviroment do not allow issue voice prompting when, master controller 10 control display screen 20 with display type or illuminated prompt seated user
Correcting sitting postures.
The master controller 10 is identical with 14 model of submaster controller, preferably STM32F103CBT6 microprocessor；Described
The preferred EKPS/EKPD of photosensitive sensor 7, the preferred LM2C-BL miniature relay of electromagnetic relay 17, pressure sensor 23
It is preferred that PT124G-112T.
Claims (5)
1. a kind of intelligent learning device, it is characterised in that main structure includes study table, seat, desk lamp, backrest, first
Ultrasonic sensor, the second ultrasonic sensor, photosensitive sensor, voice module, chair control case, master controller, the first indigo plant
Tooth control module, the first battery, desk lamp control cabinet, submaster controller, the second Bluetooth control module, the second battery, electromagnetic relay,
Vibrating disk, linear motor, display screen, upper groove, lower groove and pressure sensor；The seat of backrest with frame structure
Match with the height of study table, bends over the desk to learn to use for student, the adjustable fixed placement of desk lamp is in the top side face of study table；
The leading flank position of backrest is provided with two upper grooves and lower groove being located on same vertical line, upper groove and lower groove it
Between distance between 80~300mm, respectively correspond two different height positions of human body back；In upper groove and lower groove respectively
It is fixedly installed with the first ultrasonic sensor and the second ultrasonic sensor, the first ultrasonic sensor and the second supersonic sensing
Device is ultrasonic distance-measuring sensor, is utilized respectively the modulation sound wave of ultrasonic oscillator transmitting high frequency, after human body after back reflection,
The first ultrasonic sensor and the second ultrasonic sensor are calculated respectively at a distance from human body back；First ultrasonic sensor
And second ultrasonic sensor respectively be mounted in chair control case between master controller that power information is connect, master controller receives
First ultrasonic sensor and the range information of the second ultrasonic sensor transmitting are simultaneously handled；The embedded peace of pressure sensor
On the pedestal of seat, it is used for induction pressure, power information to connect between pressure sensor and master controller, when someone sits on seat
When on chair, by the pressure signal transmission sensed to master controller, main controller controls photosensitive sensor starts pressure sensor
Work；Two cavitys arranged side by side that the top surface that photosensitive sensor and voice module are respectively and fixedly installed to backrest opens up
Interior, power information is connect between master controller respectively for photosensitive sensor and voice module；Photosensitive sensor is for incuding surrounding ring
The brightness of border light, the resistance value of photosensitive sensor die down with light and increase and light luminance signal is converted into resistance value letter
Number, then pass to master controller；Voice module is embedded to be provided with voice broadcast program, electric between voice module and master controller
Information connection, and voice is broadcasted according to the control instruction of master controller；Chair control case is fixedly mounted on the bottom surface of seat, seat
Master controller, the first Bluetooth control module and the first battery, the first Bluetooth control module and master control are fixedly installed in control cabinet
Power information connects between device processed, and master controller is powered by the first battery, constitutes power information integral type control structure；Desk lamp control cabinet
Be fixedly mounted in the pedestal of desk lamp, be fixedly installed with respectively in desk lamp control cabinet submaster controller, the second Bluetooth control module and
Electromagnetic relay, power information is connect submaster controller between the second Bluetooth control module and electromagnetic relay respectively, submaster controller
It is powered by the second battery, power information connects between electromagnetic relay and the switch of desk lamp；Divide between master controller and submaster controller
Not Tong Guo the first Bluetooth control module and the second Bluetooth control module realize that RI radio intelligence connects, photosensitive sensor passes to master
The resistance value information of controller is passed to by the wireless communication between the first Bluetooth control module and the second Bluetooth control module
Submaster controller；It is set with sound prompt function and corresponding program in master controller, and controls the first ultrasonic sensor and the
The permission difference range of two ultrasonic sensor detecting distance differences is 30~150mm；Submaster controller is according to 30 kilo-ohms of setting value
Control the switch that electromagnetic relay opens and closes desk lamp.
2. a kind of intelligent learning device according to claim 1, it is characterised in that the voice module is embedded to be set
Be equipped with voice broadcast program: first is " abnormal sitting posture is true, woulds you please adjust sitting posture ", and Article 2 is that " successive learning 2 is small for you
When, please have a rest "；It is set with sound prompt function and corresponding program in the master controller: being taken including working as
When on to seat, by the pressure signal transmission sensed to master controller, main controller controls timer starts pressure sensor
Timing simultaneously controls photosensitive sensor start-up operation, and after human body leaves seat, pressure sensor incudes less than pressure signal, main control
Device does not receive the signal that pressure sensor transmitting comes, and main controller controls photosensitive sensor is closed, and signal is passed through first
Bluetooth control module and the second Bluetooth control module pass to submaster controller, and submaster controller controls electromagnetic relay and closes desk lamp；
Being arranged allows the maximum time value of successive learning to be 2 hours, and control voice module issues that " your successive learning 2 hours please stop
Breath a little while " prompt tone；The tolerance of first ultrasonic sensor and the second ultrasonic sensor detecting distance difference is set
Value range is 30~150mm；It is arranged when the difference of the first ultrasonic sensor and the second ultrasonic sensor detected value is beyond fair
Perhaps range, and exceed when holding time more than setting value 5 seconds of difference allowed band, control voice module issues " abnormal sitting posture
Really, would you please adjust sitting posture " prompt tone；Program is set in the submaster controller: when the resistance value etc. of photosensitive sensor transmitting
In or when being greater than the set value 30 kilo-ohms, submaster controller controls the switch that electromagnetic relay opens desk lamp, when resistance value is lower than setting
At 30 kilo-ohms of value, submaster controller controls the switch that electromagnetic relay closes desk lamp, reaches and judges to open according to ambient light power
With closing desk lamp, the unnecessary wasting of resources is avoided.
3. a kind of intelligent learning device according to claim 2, it is characterised in that the device when in use, when taking
When on chair, pressure sensor senses pressure signal and signal is passed to master controller, and master controller starts photosensitive biography
Sensor is started to work, and photosensitive sensor incudes ambient enviroment light brightness, and the electricity that resistance value is changed with light intensity in real time
Resistance value information passes to master controller, when the resistance value of photosensitive sensor transmitting is greater than or equal to 30 kilo-ohms, passes through the first indigo plant
The submaster controller control electromagnetic relay that tooth control module and the second Bluetooth control module receive information opens the switch of desk lamp, it
It is secondary afterwards when photosensitive sensor incudes the resistance value that ambient enviroment light brightens and photosensitive sensor transmits in real time is lower than 30 kilo-ohms
Controller controls the switch that electromagnetic relay closes desk lamp；First ultrasonic sensor and each self-test of the second ultrasonic sensor
Master controller is passed at a distance from human body back, and by signal；After master controller receives signal, signal processing is carried out, is calculated
The difference of first ultrasonic sensor and the second ultrasonic sensor and human body back distance, by the permission difference of difference and setting
30~150mm of range is compared judgement, and when forward lean, difference can become larger, when calculating difference is more than allowed band and difference
Overrun when holding time more than setting value 5 seconds, main controller controls voice module issue " abnormal sitting posture is true, woulds you please adjust
The prompt tone of whole sitting posture ", when human body sitting posture is adjusted in allowed band, voice module stops playing alert tones, allows difference
30~150mm of range effectively controls the distance between seated user and desk, advantageously ensures that correct sitting posture, and voice prompting is effectively anti-
Only seated user's study or the course of work put into very much and forget the problem of paying attention to sitting posture, effectively prevent causing closely because abnormal sitting posture is true
Depending on；Master controller starts timing when pressure sensor senses that human body is sat down, when sitting consecutive hours is long reach setting value 2 it is small when
When, main controller controls voice module issues the prompt tone of " you successive learning 2 hours, please have a rest ", reminds and learns
Habit personnel rest；Program can also be set, when detecting that sitting consecutive hours length reaches setting value 2 hours, main controller controls
Voice module issues the prompt tone of " you successive learning 2 hours, please have a rest ", and then, electromagnetic relay closes platform
Lamp switch.When successive learning duration was less than 2 hours, after human body leaves seat, main controller controls photosensitive sensor is closed, and
It controls electromagnetic relay and closes desk lamp.
4. a kind of intelligent learning device according to claim 2, it is characterised in that on the surface of the seat
The embedded vibrating disk of elastic construction is formed at center, vibrating disk is connected with the straight-line electric arbor for being mounted on seat bottom, and
It is connected to respectively with master controller power information, realizes control, when voice reminder seated user does not have timely correction sitting posture, linear motor is driven
Vibrating disk vibrates up and down, and push type reminds seated user's correcting sitting postures, until the first ultrasonic sensor and the second ultrasonic sensor
Ranging difference within the allowable range when, main controller controls vibrating disk stop vibration；The vibrating disk is rubber material system
At diameter be 20~50mm, with a thickness of the disc structure of 5~15mm, avoid generating seated user strong shock when vibration.
5. the according to claim 1 or 2 or 4 intelligent learning device described in any one, it is characterised in that the study table
Upper setting display screen, power information connects between display screen and master controller, when classroom or ambient enviroment do not allow to issue voice and mention
When showing, main controller controls display screen is with display type or illuminated prompt seated user's correcting sitting postures.
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| CN2018101621106 | 2018-02-27 | ||
| CN201810162110.6A CN108235548A (en) | 2018-02-27 | 2018-02-27 | A kind of intelligent learning device |
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| CN109526125A true CN109526125A (en) | 2019-03-26 |
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| CN201810162110.6A Pending CN108235548A (en) | 2018-02-27 | 2018-02-27 | A kind of intelligent learning device |
| CN201910067057.6A Pending CN109526125A (en) | 2018-02-27 | 2019-01-24 | A kind of intelligent learning device |
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| CN111477131A (en) * | 2020-05-22 | 2020-07-31 | 上海海事大学 | Intelligent exhibition hall voice broadcasting device and broadcasting method thereof |
| CN112597814A (en) * | 2020-12-04 | 2021-04-02 | 南通大学 | Improved Openpos classroom multi-person abnormal behavior and mask wearing detection method |
| CN113671529A (en) * | 2021-08-26 | 2021-11-19 | 宁波华茂优加科技有限公司 | Sitting posture detection device and method |
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| CN108235548A (en) * | 2018-02-27 | 2018-06-29 | 山东省青岛第十七中学 | A kind of intelligent learning device |
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| CN110488344A (en) * | 2019-09-25 | 2019-11-22 | 武汉市星客智行教育科技有限责任公司 | A kind of computer Anti-addiction box based on common optical mouse |
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