CN109360644A - A kind of wisdom monitoring method for infant - Google Patents
A kind of wisdom monitoring method for infant Download PDFInfo
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- CN109360644A CN109360644A CN201811575698.4A CN201811575698A CN109360644A CN 109360644 A CN109360644 A CN 109360644A CN 201811575698 A CN201811575698 A CN 201811575698A CN 109360644 A CN109360644 A CN 109360644A
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/30—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indices; for individual health risk assessment
Abstract
The invention discloses a kind of wisdom monitoring methods for infant, comprising the following steps: step 1: data acquisition；By infant's wisdom monitor device collection site data；Field data includes: (1) data relevant to drinking-water；(2) data relevant to sleep state；(3) sign data；(4) position data；Step 2: the data based on acquisition are determined；Determine the data of acquisition whether in default range (i.e. in safe range)；If exceeding preset range, alarm signal is issued；Step 3: sending the data of acquisition or alarm signal to guardian.The wisdom monitoring method for being directed to infant is easy to implement, is conducive to the safe and healthy growth of infant.
Description
Technical field
The present invention relates to a kind of wisdom monitoring methods for infant.
Background technique
Children are the core force to develop as motherland, their healthy growth is most important to following development, but
Social status quo performance is that regional development imbalance causes stay-at-home children's quantity of some areas to be continuously increased so that children at
The love of enough parents cannot be obtained in growth process, the concern that daily life is subject to is also fewer and fewer, so that allowing illegal point
Son has an opportunity to take advantage of, continuously emerge children maltreated etc. by nurse in kindergarten by various infringements or be in it is loathsome
Event.These phenomenons, none is not being appealed to emphasize disadvantaged group of the children as society, and is being future and the hope of motherland, compels
It is essential and wants the concern of personages of various circles of society.
Therefore, it is necessary to design a kind of wisdom monitoring method for infant.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of wisdom monitoring methods for infant, should be for baby children
The wisdom monitoring method of youngster is easy to implement, is conducive to the safe and healthy growth of infant.
The technical solution of invention is as follows:
A kind of infant's wisdom monitoring method, comprising the following steps:
Step 1: data acquisition；
By infant's wisdom monitor device collection site data；
Field data includes:
(1) data relevant to drinking-water；
(2) data relevant to sleep state；
(3) sign data；
(4) position data；
Step 2: the data based on acquisition are determined；
Determine the data of acquisition whether in default range (i.e. in safe range)；If exceeding preset range, send out
Alarm signal out；
Step 3: sending the data of acquisition or alarm signal to guardian.
The data of acquisition are sent to server；Determined by server.It can also be carried out in monitoring site or server
Determine；
At age and physical condition of the server according to children under guardianship, provide amount of drinking water and amount of sleep range.
Guardian accesses server query monitor data by monitor terminal.
Monitor terminal is smart phone, tablet computer, PC machine or laptop.
Monitoring APP is installed on the smart phone.
Data relevant to drinking-water are acquired by drinking-water monitoring modular；
Monitoring modular of drinking water includes water temperature detection module, 3-axis acceleration sensor, voice playing module and weight detecting
Module；
3-axis acceleration sensor is for detecting drinking-water movement；
Voice playing module is used for high temperature alarm；
Drinking-water monitoring modular also counts the same day accumulative amount of drinking water and drinking-water data.
Data relevant to sleep state are obtained using sleep state monitoring modular；
Sleep state monitoring modular includes three axis acceleration sensors and pressure sensor；Three axis acceleration sensors and pressure pass
Sensor is respectively provided in pillow in bed；
Sleep state monitoring modular is for detecting sleeping position and sleep duration；
Sign data is acquired using sign data monitoring modular；
Using location information monitoring modular acquisition position data；
Sign data monitoring modular includes heart rate and oximetry sensors；Specifically use GY-MAX30100 sensor；
Location information monitoring modular is safe distance monitoring modular, using the range finder module based on bluetooth.
Infant's wisdom monitor device realizes monitoring using MCU, and MCU uses the CC2530 master with ZigBee communication module
Control module；
Three axis acceleration sensors monitor whether monitored object falls asleep:
For the 3-axis acceleration sensor inside pillow, three axis (X, Y, Z) initial data of the every 30s of user is first intercepted,
Three axis square of human body acceleration signal under static state are denoted as G2, so calculating new signal G using following formula:
Then the standard deviation (STD) of the data segment and the difference (MAX-MIN) of maximum data value and minimum data value are sought；
If the difference for meeting STD > 0.01g and maxima and minima is greater than 0.3g, g is acceleration of gravity, then marks the period to turn over,
Otherwise it is labeled as not turning over；The midfeather period is labeled as by continuous two turn periods if interval is greater than 30min
The sound sleep phase, if interval is greater than 20min and is less than 30min, by the midfeather period labeled as shallowly the phase is slept, if interval is less than 20min,
Then wake labeled as monitored object.
A kind of infant's wisdom monitor device, including MCU, drinking-water monitoring modular, sleep state monitoring modular, sign data
Monitoring modular and location information monitoring modular；
Drinking-water monitoring modular, sleep state monitoring modular, sign data monitoring modular and location information monitoring modular are equal
It is connected with MCU.
Drinking-water monitoring modular, sleep state monitoring modular, sign data monitoring modular and location information monitoring modular are equal
It is connected by ZigBee communication module with MCU.
MCU uses the CC2530 main control module with ZigBee communication module.
Infant's wisdom monitor device, drinking-water monitoring modular includes water temperature detection module, 3-axis acceleration sensor, voice
Playing module and weight detecting module；
3-axis acceleration sensor is for detecting drinking-water movement；
Voice playing module is used for high temperature alarm.
3-axis acceleration sensor uses MMA763 device, and the temperature sensor in water temperature detection module uses DS18B20
Digital sensor (Digital Measurement of Temperature device), voice playing module use ISD1700 chip, and weight detecting module is passed using NA1 weight
Sensor.
Sleep state monitoring modular includes three axis acceleration sensors and pressure sensor；Three axis acceleration sensors and pressure pass
Sensor is respectively provided in pillow in bed；
Sleep state monitoring modular is for detecting sleeping position and sleep duration.
Pressure sensor uses FSR resistance-type diaphragm pressure sensor, and three axis acceleration sensors use MMA763 device
Sign data monitoring modular includes heart rate and oximetry sensors；Specifically use GY-MAX30100 sensor.
Location information monitoring modular is that safe distance monitoring modular is mounted on and is supervised using the range finder module based on bluetooth
On the shield person, the strong and weak position for determining children under guardianship based on Bluetooth signal is at a distance from host (MCU).
Sign data is obtained using bracelet, and processor, signal STM32F103RCT6 are equipped in bracelet.
MCU further includes for the communication module with server communication.Communication module is WiFi communication module or 3G, 4G, 5G
Communication module.
A kind of infant's wisdom monitor system, including server and the described in any item infant's wisdom of claim 1-7
Monitor device；
User accesses server by monitor terminal；
Infant's wisdom monitor device is connect with server communication.
Server is Cloud Server.
Monitor terminal is smart phone, tablet computer, PC machine or laptop.
Drinking-water monitoring:
The foundation that system judges whether user drinks water is cup tilt angle, its decision threshold is 85 °, if inclination angle is greater than
85 °, then it is assumed that user does not drink water；If time of the inclination angle less than 85 ° is more than 5s, then it is assumed that user has drunk water.
The utility model has the advantages that
This project develop it is a towards numerous children, with the wisdom dotey of Internet of Things and data analysis technique guard be
System, also known as infant's wisdom monitor system.The system includes CC2530 main control module, WiFi with ZigBee communication module
Transmission module, insertion various kinds of sensors and executing agency, real-time monitoring children drinking-water data, dormant data, sign data, in conjunction with
Science algorithm obtains the basic health of children, carries out further according to existing authoritative medical health guidance to children effective, a
The fitness program of property.In addition, system further includes danger zone indoors, and such as: balcony, window place setting fence, inspection
Survey whether children step into danger zone, to play the role of timely early warning.
The system is connected with Ali's Cloud Server, and App operation interface is simple, and children guardian long distance monitoring may be implemented
Virgin health, and child mechanism, management of colleges and schools person is assisted to manage the functions such as children student at school work and rest living.In addition, in addition to being able to achieve
Child growth state visualizing, this App platform can also become the platform that child nutrition qualified teachers ask, articles for children are sold.
This project is intended to make a monitor system for being dedicated to children's health, safety custody, provides for user and more may be used
By service practical, effectively convenient and with fashion breath.
The traditional monitor system of table 1 and wisdom dotey monitor system compare
Detailed description of the invention
Fig. 1 is the general frame of infant's wisdom monitor system；
Fig. 2 is data collection function figure；
Fig. 3 is fitness program functional diagram；
Fig. 4 is guardian's long distance monitoring schematic diagram；
Fig. 5 is wisdom dotey system architecture；
Fig. 6 is sensing node schematic diagram；
Fig. 7 is amount of drinking water monitoring modular block diagram；
Fig. 8 is sleep state monitoring modular block diagram；
Fig. 9 is sign data and position monitoring module frame chart；
Figure 10 is system main program flow chart；
Figure 11 is amount of drinking water process of measurement flow chart；
Figure 12 is that water temperature detects program flow diagram；
Figure 13 is that heart rate and blood oxygen acquire program flow diagram；
Figure 14 is that safe distance detects program flow diagram；
Figure 15 is that sleep state monitors main program flow chart
Figure 16 is sleep detection algorithm flow chart；
Figure 17 is App main program flow chart；
Figure 18 is that data upload flow chart；
Figure 19 is bracelet and position detecting circuit schematic diagram；
Figure 20 is sleep detection circuit diagram；
Figure 21 is coordinator circuit diagram；
Figure 22 is drinking-water detection circuit schematic diagram.
Figure 23 is the schematic diagram of the amplifier of adjustable amplification factor；
Figure 24 is the circuit diagram of current foldback circuit；
Figure 25 is the schematic diagram of constant-current charging circuit.
Figure 26 is circulation heat absorption pipe network system schematic diagram；
Figure 27 is heat absorption pipe network structure schematic diagram；
Figure 28 is the structural schematic diagram of heat-absorbing water pipe；
Figure 29 is heat-absorbing water pipe schematic diagram of internal structure；
Figure 30 is heat-absorbing water pipe inboard wall groove schematic diagram；
Figure 31 is the via hole distribution schematic diagram in heat-absorbing water pipe on baffle；
Figure 32 is exterior wall layered structure schematic diagram；
Figure 33 is that 2 adjacent heat exchange devices pass through contact pipeline concatenation schematic diagram；
Figure 34 is that 2 non-conterminous heat exchangers pass through M pipe concatenation schematic diagram；
Figure 35 is that 3 adjacent heat exchange devices pass through contact pipeline concatenation schematic diagram；
Figure 36 is that 3 non-conterminous heat exchangers pass through M pipe concatenation schematic diagram；
Figure 37 is that 3 heat exchangers cascade schematic diagram；
Figure 38 is the schematic diagram of water purification system；
Label declaration: 211- heat-absorbing water pipe, 22- pipe inlet, 23- pipe outlet, 24- mounting plate, 25- mounting hole, 26-
Baffle, 27- via hole, 28- groove, 29- raised line；
30- convergence pipe, 311- exterior wall outer layer, 32- water pipe mounting layer, 33- thermal insulation layer, 34- exterior wall internal layer.
Specific embodiment
The present invention is described in further details below with reference to the drawings and specific embodiments:
Embodiment 1: heart rate, blood oxygen saturation, the daily drink for passing through monitoring children such as Fig. 1-3, wisdom dotey's monitor system
Water, Drinking Water Temperature, sleep state and the position near danger zone indoors, in conjunction with Internet of Things and data analytical technology,
The basic health of science reflection children, accomplishes healthalert and security warning in time, provides for children's health management planning
Scientific basis.The mobile phone A pp based on the system will become Parents long distance monitoring children's health status, institute of child mechanism simultaneously
The good assistant of the unified monitoring in school, management children life work and rest.
Wisdom dotey monitor system by the way that multiclass sensor is constituted data acquisition module, real-time collecting children amount of drinking water,
The sign datas such as heart rate, blood oxygen saturation, and science algorithm analysis is combined to handle, children's prison is fed back to eventually by mobile phone A pp
People is protected, to realize to the prompting improvement of children's health and management planning.Simultaneously by the water temperature of measurement and with green indicating lamp
Form prompt safty of drinking water temperature range, with anti-scald.In addition, system includes that the electronics of danger zone setting indoors encloses
Column detects child position.
Fitness program is according to sign datas such as the age of typing children, gender, weight, current body states, in conjunction with acquisition
The sign datas such as the heart rate, the blood oxygen concentration that arrive carry out energy consumption estimation to children, according to the energy of consumption and current body
Health status cooks up more reasonable drinking-water suggestion.Duration of sleeping planning is then the dormant data arrived based on sensor collection,
Such as: turning over number, sound sleep duration, shallowly sleep duration, in conjunction with different ages and body metabolism rate and required most short sleep
What duration carried out.
Intelligent interaction is then the comparison based on children's health status and fitness program, and what it is by executing agency's realization includes drink
Water is reminded, safe water temperature is reminded, drinking-water reward, sleeps the functions such as preceding sleeping, effectively children is helped to improve health status in time, for a long time
Adhere to that being also beneficial to children forms good living habit.
The long distance monitoring of children's health status
Guardian passes through the health status of mobile phone A pp long distance monitoring child.System meeting basis shifts to an earlier date children's information of typing,
Including age, gender, weight etc. and the data such as most freshly harvested amount of drinking water, heart rate, blood oxygen saturation, in conjunction with present children's
Physical condition, such as: whether the several frequently seen disease of cat fever, recommend children to be suitable for amount of drinking water, amount of exercise and build to parent
Discuss the nutrient etc. of supplement.
Similar, which will also understand children's health status for child universities and colleges, organization administrator and provides a system
Visualization Platform, these information can be used as administrator and plan the time that children work and rest in school, such as: run duration, sleeping time, drink
The important evidence of water time, the time of going to the toilet etc..
The Hardware Design
System architecture
The basic structure of system is by the CC2530 main control module with ZigBee communication module, WiFi transmission module, all kinds of biographies
Sensor, execution module, cloud, mobile phone terminal App composition.CC2530 master control borad part, which is responsible for realizing, completes to receive what user was assigned
Instruct and execute corresponding function, and from all types of sensors for data.ZigBee communication module is responsible for will be collected
Information is transferred to CC2530 coordinator, and information is uploaded to Ali's cloud platform by WiFi transmission module again, and mobile phone A pp obtains cloud platform
The data of storage.System architecture is as shown in Figure 5.Fig. 6 presentation is then the design composition of sensor node inside each module.
It drinks water under the basic step of condition monitoring:
(1) drinking-water target is the essential information according to user's typing first, comprising: the important indicators such as age, gender, weight
And it formulates in conjunction with daily minimum water requirement.
2 crowd of table minimum water requirement and minimum amount of drinking water reference value daily
(2) drinking-water data collection is then defeated based on 3-axis acceleration sensor, temperature sensor, weight sensor, voice
The realizations such as module out.MMA763 3-axis acceleration sensor used in this project, with small in size, light-weight, detection
The accurate feature of numerical value, the movement of reflection object that can be true and reliable according to the value that three directions of x, y, z export with algorithm
Mode, therefore judge whether the foundation drunk water greatly in this, as another in addition to water weight is reduced.
Additionally use NA1 weight sensor.The sensor has weight light, easy to operate, feature with high accuracy, weight
Output accuracy can achieve 1 gram.Sensor output quantity is analog voltage amount.Voltage value determines by driving voltage (operating voltage),
When the full scale output voltage value that driving voltage is DC5V. then pressure sensor are as follows: 5V*1.0mv/V=5mV；That is signal voltage
Output area is 0-5mV, and the pressure of application is bigger, and the voltage value of corresponding output is bigger, by the algorithm of calculated weight value according to defeated
Voltage swing calculates weight out, to obtain amount of drinking water.
In the module, the realization of safe water temperature prompt facility is slightly different with other.The DS18B20 number that temperature measurement module uses
Word sensor, be it is a have many advantages, such as small in size, low in energy consumption, performance is high, strong antijamming capability, using simple intelligent integrated
Digital transducer.Its temperature measurement range is -55 DEG C~+125 DEG C, -10 DEG C~+85 DEG C, and precision reaches ± 0.5 DEG C.With
Unlike traditional discrete temperature sensor, it is that the temperature value that will be measured is directly translated into serial digital signal, is led to
Measured temperature data can directly be read by crossing microprocessor.Thus DS18B20 is applied in temperature control system, it will be big
It is big to simplify line construction and reduce hardware spending.
Temperature sensor detects water temperature, and data are sent to master control borad by serial ports, when water temperature is higher than safe temperature (50
DEG C) when, it is bright that master control borad directly controls green indicating lamp, prompts children that should not currently drink water.
Voice playing module uses ISD1700 voice playing module.ISD1700 chip supports double operating modes, and (independent & is embedding
Enter formula) and customized information operation instruction audio.Chip interior includes automatic growth control, the preposition expansion of microphone
Device, speaker drive route, the comprehensive integration system function such as oscillator and memory.Up to 255 sections or more of its cocoa processing
Information and sound quality is good, voltage range is wide, flexible in application.
Main control module is sent to by serial ports after sensor acquisition data, cloud platform is transmitted to by WiFi by coordinator,
Later by the data being collected into and the analysis comparison that develops planning, if not reaching specified index, on the one hand, mobile phone can be passed through
App feeds back to children guardian, and guarding children in time improves, and on the other hand can also monitor the voice in mould to drinking-water in time
Output module sends voice reminder instruction, reminds children to increase amount of drinking water, or sing nursery rhymes drum to the children for completing drinking-water task
It encourages.
Sleep state monitoring modular
The sleep monitor module being made of three axis acceleration sensors, pressure sensor etc. is placed on inside pillow, by institute
The FSR resistance-type diaphragm pressure sensor of use, top layer is fexible film and is compounded in varistor layer above, can sense 20g
Above trigger force, induction range are as follows: 20g~20Kg, when sensor is by different pressures, sensor can export different electricity
Pressure value, by detection algorithm can auxiliary judgment user sleep state (as shown in table 3), and sensor have it is flexible, ultra-thin,
The characteristics of super low-power consumption, very fast response, it can sense faint dynamic or static force.
Sleeping position, which changes, can then make the voltage value of the corresponding output of pressure sensor change, and the different children of weight cause
The degree of sensor senses is different, and the voltage value of output is also different, as shown in table 3.Judge that sleeping position is to lie down also by voltage value
It is to lie on one's side.3-axis acceleration sensor is then to judge whether user turns over, and remember by the spatial variations in three dimensions of sensing
Record turns over number and turns over frequency, determines that sleep state is deep sleep or either shallow sleep with this, and calculate sleep duration, most
The detection of sleep state is realized eventually.
The corresponding pressure sensor test data to pillow of 3 different weight of table
It is after detecting basic dormant data, the best sleep duration of collected data and each age group is most right
Than under the premise of the sleeping time standard that should ensure that pupil 10h daily, it should make great efforts close to healthy sleep duration, obtain
After Improving advice, children guardian is fed back to by mobile phone A pp.Show promulgating with China according to domestic and international research
In relation to wherein (data source is in 2010- as shown in table 4 for specific duration planning specified in student health and work hygiene regulations
It is directed to children sleeping duration investigation result both at home and abroad within 2018).
The 2-6 years old crowd of table 4 most preferably sleeps duration
Note: sleep duration was likely to result in obesity more than 12 hours no more than 12 hours.
Sign data and safe distance monitoring modular
Sign data collection module uses heart rate, the blood oxygen sign data using GY-MAX30100 sensor acquisition children.
The optical biosensor that GY-MAX30100 sensor is completely integrated includes two LED, photodetectors, leads to
The optical module and low noise AFE for crossing optimization acquire detecting sphygmus and blood oxygen saturation and heart rate signal sampling value with very high accurate
Property, it is that size is minimum in the industry, pulse blood oxygen least in power-consuming and heart rate measurement scheme.Its principle for acquiring blood oxygen concentration is to carry
The red blood cell of oxygen can absorb more infrared light (850-1000nm), and the red blood cell for not carrying oxygen is then to absorb more feux rouges
(600-750nm), therefore the principle of the absorption spectrum using different red blood cells, to analyze blood oxygen saturation.
By low-power consumption bluetooth module realize ranging RSSI, be BLE bluetooth module in a broadcast mode, another bluetooth is set
The standby power according to signal, returns to RSSI value, is based on indoor positioning algorithms, by mathematical relationship be calculated this two bluetooths it
Between distance, signal strength or weakness is converted into the measuring and calculating of distance to realize.It is used to detect whether child leans in this works
Nearly window, balcony etc. are than relatively hazardous place.
Main program flow such as Figure 10
Each detection node and coordinator form a small-sized ZigBee-network.In monitor system, work as Module nodes
Coordinator can be sent by ZigBee by information after receiving children's information of sensor acquisition, coordinator judges nodal information
Information can be uploaded to Ali's Cloud Server by WiFi after errorless, carry out data processing in Ali's Cloud Server.
(1) drinking-water condition monitoring module
The module mainly carries out the monitoring of drinking-water situation in terms of amount of drinking water and water temperature two.Corresponding to the sensor used is
3-axis acceleration sensor and temperature sensor, realization principle and program circuit are as follows:
3-axis acceleration sensor need to be analyzed in three-dimensional coordinate.There are mainly two types of common coordinate systems, i.e. right angle
Coordinate system and spheric coordinate system.
The position of any point P available rectangular co-ordinate (x, y, z) is indicated in three-dimensional space.P point in spheric coordinate system
Position indicates that wherein r is the distance between P point and origin O, angle of the θ between Z axis and line segment OP, φ with (r, φ, θ)
For angle of the OP between the projection line OM and X-axis of X/Y plane.Both coordinates can mutually be converted with existing formula.
The foundation that system judges whether user drinks water is cup tilt angle (i.e. 90 ° of-θ), its decision threshold is 85 °,
If inclination angle is greater than 85 °, then it is assumed that user does not drink water；If time of the inclination angle less than 85 ° is more than 5s, then it is assumed that user has drunk water.
(2) sign data collection module and safe distance monitoring modular
During the realization of system, the two monitoring modulars be integrated into an entirety come using.Wherein sign number
According to the heart rate and blood oxygen saturation that source is by monitoring children, safe distance is realized using indoor Bluetooth technology ranging
, detailed process and implementation process are as follows:
Indoor bluetooth location technology is realized by the discriminatory analysis to RSSI.RSSI
It (ReceivedSignalStrengthIndicator) is the intensity instruction for receiving signal, its realization is in backward channel base
With what is carried out after receiving filter, RSSI is produced by slave communication process.The transmission power and reception function of wireless signal
Relationship between rate with formula (1) to be indicated, PRIt is the reception power of wireless signal, PrIt is the transmission power of wireless signal, r is to receive
The distance between bill member, n propagation factor, numerical values recited depend on the environment of radio signal propagation.
PR=PT/rn (1)
Take logarithm that formula (2) can be obtained on formula (1) both sides.
10nlgr=10lgrPT/PR (2)
Because the transmission power of bluetooth be it is known, will send power substitute into formula (2) in can obtain formula (3).
10·lgPR=A-10nlgr (3)
The left-half 10lgP of formula (3)RIt is the expression formula that received signal power is converted to dBm, can be directly write as formula
(4).A is considered as receiving the power of signal when signal transmission 1m is remote in formula (4).
PR(dBm)=A-10nlgr (4)
The pass of received signal strength and signal transmission distance is determined by the numerical value of available constant A and n in formula (4)
System, by acquiring a large amount of experimental data, using large scale path attenuation model, analysis obtains the occurrence of the two constants.
(3) sleep monitor module
The realization of sleep detection function need to be handled and be transmitted by bracelet peripheral hardware due to the sleep monitor function of traditional bracelet
Related data, so that the sleep state of user is calculated, so this system exists the module design of acquisition sleep related data
Inside pillow, so that the dormant data of user's (monitored object) be calculated, such as the sound sleep time, time algorithm by stages is shallowly slept,
Detailed process is as shown in the figure.
Sleep stage algorithm design based on acceleration
This system design scheme is based on sleep stage algorithm detailed process as schemed.Its core concept be by pillow inside
Acceleration transducer first intercepts three axis (x, y, z) initial data of the every 30s of user, and by human body, acceleration is believed under static state
Number three axis square be denoted as G2, so calculating new signal G (influence of the gravity on two axis can be overcome) using formula (1).
Then seek the data segment standard deviation (STD) and maximum data value and minimum data value it is only poor (MAX-MIN).
If the difference for meeting STD > 0.01g (g is acceleration of gravity) and maxima and minima is greater than 0.3g, marking the period is to turn over
Otherwise body is labeled as not turning over.For continuous two turn periods, if interval is greater than 30min, by segment mark when midfeather
, by the midfeather period labeled as shallowly the phase is slept, it is less than if being spaced for the sound sleep phase if interval is greater than 20min and is less than 30min
20min then wakes labeled as user (monitored object).
Furthermore in order to mitigate the burden being locally stored and improve search efficiency, in terms of records of acceleration and processing simultaneously
Whole acceleration informations is not recorded, but uses the method for pressure sensor triggering, the pressure sensor in pillow
The variation of pressure is experienced, 3-axis acceleration sensor is started to work, and valid data are acquired, main to realize that process is as shown in the figure.
After getting up, pressure sensor is no longer triggered, and terminates detection, in order to guarantee to acquire the validity of data, when needing to judge sleep
Between whether be spaced less than 1 hour, cannot if it is produce sleep report.
(4) system App main program flow such as Figure 11
Ali's cloud platform
Ali's cloud platform be it is world-leading with calculate and artificial intelligence scientific & technical corporation, be dedicated to the side of online public service
Formula provides safe and reliable calculating and data-handling capacity.Energy-efficient green data center is disposed in all parts of the world, benefit
Endlessly energy source and power is provided with the New World that cleaning is calculated as all things on earth interconnection.
(1) platform introduction
Reliable data transmission is carried out using ICP/IP protocol, server end creates socket socket and waits hardware system
WiFi access provides multiple WiFi using multithreading and accesses progress data upload simultaneously, ensure that data can arrive in real time
Up to database, the data for realizing that APP is extracted are synchronous with local data.
(2) platform and equipment prepare
TCP/IP connection is established, the collected data of hardware system module are sent in database corresponding position storage,
So that APP takes corresponding data from database, certain instruction is sent to hardware by the response to APP, realizes hardware and APP
The connection at end, just as the terminal that a upload is assigned, referring to Figure 18.
App function
App mainly includes four big functions: health data is checked, improvement prompts, a key is reminded, safe ranging.
(1) data are checked
Sensing data is transmitted to Ali's cloud platform by ZigBee module, by WiFi, and cloud platform is managed data
With storage, App obtains data from cloud platform and shows.
(2) real-time release improves prompt
When collected children's health related data and program results are not inconsistent, intelligent screening is gone out related fields by cloud platform
Healthy encyclopaedic knowledge pushed, while sending prompting message to customer end A pp.
(3) remotely one key of control is reminded
Parent or administrator can check the amount of drinking water of children, sleep duration, position safety and every sign number by App
According to situation, in time by mobile phone A pp realize remote prompting, in time improve.
(4) safe distance detects
Safe distance monitoring, by creating virtual fence area as danger zone, when the bluetooth ranging that user carries
Realize communication.
Data transmission technology and application
Such as Figure 19, the data transmission technology used in system includes WiFi transmission technology and ZigBee communication technology.
WiFi technology
The network management chip that works use is the ESP8266 chip of An Xinke company.The module is common WiFi group steel wire rack
Piece, highly integrated duplexer, radio frequency balun, power amplifier, low noise amplifier, filter and power management module,
It has the advantages that
1. low in cost: modular peripheral circuit seldom cooperates onboard antenna to substantially reduce cost.
2. strong antijamming capability: the adaptive wireless electrical bias of low-power operation, the processing function of front end signal, failure row
It is interfered except characteristic is deposited jointly with radio system for elimination honeycomb, bluetooth, DDR, LVDS, LCD.
3. module height is integrated: Embedded, including duplexer balun, power management converter, it is only necessary to which few is outer
Shared PCB space is preferably minimized by portion's circuit.
4.3.2 ZigBee communication
The ZigBee module that this works uses is CC2530 module, is set using main control chip+RF receiving and transmission module SOC
Meter, this design allow node more to smile, power consumption also can be greatly reduced.The ZigBee communication modes of module meet 2.4GHz's
IEEE802.15.4 is standardized and is supported newest Zigbee protocol --- and ZigBee2007/PRO, module can be passed using with wireless
The application fields such as sense, control and data acquisition.The communication modes have the following advantages: ZigBee communication modes are used between node.
The communication modes have the following advantages:
1. low-power consumption: since the duty cycle is very short, power consumption of receiving and sending messages is lower.
2. high reliability: avoiding wisdom using collision, while dedicated to need the communication service of fixed-bandwidth to reserve
Time slot, avoid and send the data competition and conflict that are.MAC layer uses fully validated data transmission mechanism.
3. low cost: Module Price is cheap, and Zigbee protocol exempts from patent fee.
4. low time delay: search equipment delay representative value is 30ms, and it is 15ms that suspend mode, which activates time delay representative value, and vehicular equipment connects
Entering time delay is 15ms.
5. network capacity is big: a ZigBee-network can accommodate up to 254 from equipment and a main equipment, an area
Most 100 ZigBee-networks can be existed simultaneously in domain.
6. high confidentiality: ZigBee provides data packet integrity checking and authentication based on cyclic redundancy check (CRC)
Function, Encryption Algorithm uses AES-128, while each application can flexibly determine its security attribute.
CC2530 of the present invention combines the excellent performance of leading RF transceiver, industrywide standard it is enhanced
8051CPU, In-System Programmable flash memory, 8-KBRAM and many other powerful functions.There are four types of different flash memory versions by CC2530
This: CC2530F32/64/128/256 is respectively provided with the flash memory of 32/64/128/256KB.CC2530 has different operation moulds
Formula, so that the system that it especially adapts to super low-power consumption requirement.Conversion time between operational mode is short to further ensure low energy
Source consumption.
CC2530F256 combines the leading golden unit Zigbee protocol stack (Z-Stack of Texas InstrumentTM),
Provide a powerful and complete ZigBee solution.CC2530F64 combines the golden unit Remo of Texas InstrumentTI,
Better provide a powerful and complete ZigBeeRF4CE remote control solutions.
In addition, being amplified using adjustable amplification factor amplifier to the temperature signal of acquisition such as Figure 23；Adjustable times magnification
Number amplifier includes that operational amplifier LM393 and 4 selects a selector；
The output end Vin of temperature sensor is signal end, and the signal end meets operational amplifier LM393 through resistance R0's
Inverting input terminal, the noninverting input of operational amplifier LM393 is grounded through resistance R0, and operational amplifier LM393's is in the same direction defeated
Enter end and also connect 44 input channels for selecting a selector through 4 resistance R01-R04 respectively, 4 select the output channel of a selector to connect
The output end vo ut, Vout of operational amplifier LM393 connects the end ADC of MCU；
2 output ports of MCU connect 4 respectively and the channel of a selector are selected to select end A and B.
The calculation formula of Vout and Vin:
Vout=Vin* (Rx+R0)/R0；Wherein, Rx=R01, R02, R03 or R04；Selection is determined based on gated end AB
Which resistance；And R01, R02, R03 and R04 are different；Preferred R04=5*R03=25*R02=100*R01；R01=
5*R0. realizes range and precision switching in which can be convenient.
It further include the current foldback circuit for protecting monitored space, including operational amplifier U1- such as Figure 24, in electronic equipment
B, resistance R18 and boosting protection chip U9 are measured；
Measurement resistance R18 is serially connected in the front-end power circuit of automobile starting power supply；
The first end of measurement resistance R18 connects the non-inverting input terminal of operational amplifier through resistance R39；Measure the of resistance R18
Two ends connect the inverting input terminal of operational amplifier through resistance R36；
Bridging has resistance R40 between the output end and inverting input terminal of operational amplifier；
The output end of operational amplifier connects with the feedback end FB of boosting protection chip U9.
The output end of operational amplifier is connected by diode D20 with the feedback end FB of boosting protection chip U9；And it feeds back
End FB connects the cathode of diode D20.
The front-end power circuit is USB current supply circuit (being charged by the energy-storage module that USB interface is startup power supply)；
The first end for measuring resistance R18 is grounded (SGND)；Measure the negative terminal BAT1- of the second termination USB charging interface J4 of resistance R18.
The model LM258ADR of operational amplifier, the model FP5139 of boosting protection chip U9, resistance R18, R39,
The resistance value of R36 and R40 is respectively 0.01 ohm, 1K ohm, 1K ohm and 20K ohm.
Use based on the circuit of operational amplifier for see-saw circuit, amplification factor is about 20 times；Increase diode
D20 plays the role of preventing electric current from flowing backward, i.e. guarantee one-way conduction；In addition boosting protection chip itself has short-circuit protection function
Energy and step-up discharge function, and it is adjustable the size of output electric current and voltage, feature-rich, amplifying circuit and protection IC
It combines, is able to achieve the overcurrent protection of circuit, high reliablity.
System further includes lithium battery and the constant-current charging circuit for lithium battery charging；Lithium battery is used to supply for monitoring terminal
Electricity.Such as the schematic diagram of Figure 25, each element or label declaration:
VIN+----- input power anode.VIN------ input power cathode.VOUT+----- out-put supply anode.
VOUT----- out-put supply cathode.The anode of VREF+----- reference power source；C1 is input filter capacitor.C2 is output filtering
Capacitor.C3 is current sample feedback filtering.R1, R2, R5, C3 form current sample feedback line.R3, R4 are that voltage sample is anti-
Current feed circuit.D1 is isolation diode.
A kind of constant-current charging circuit, including constant pressure driving chip and current feedback circuit；(1) voltage of constant pressure driving chip
Output end is the positive output end VOUT+ of constant-current charging circuit；The negative output terminal of constant pressure driving chip is grounded；Constant pressure driving chip by
DC-voltage supply end VIN+ and VIN- power supply；(2) current feedback circuit described in includes resistance R1, R2 and R5 and reference voltage
Hold VREF+；Reference voltage end VREF+ passes through resistance R1, R2 and R5 ground connection being sequentially connected in series；The tie point of resistance R5 and R2 are perseverance
The negative output terminal VOUT- of current charge circuit；The tie point of resistance R1 and R2 meet the feedback end FB of constant pressure driving chip.The perseverance
Current charge circuit further includes voltage feedback circuit；Voltage feedback circuit includes resistance R3 and R4 and diode D1；Resistance R3 and
R4 series connection is followed by between the positive output end VOUT+ and ground of constant-current charging circuit；The tie point of resistance R3 and R4 meet diode D1
Anode；The cathode of diode D1 meets the feedback end FB of constant pressure driving chip.Constant-current charging circuit positive output end VOUT+ and
Bridging has capacitor C2 between negative input end.Bridging has capacitor C1 between DC-voltage supply end VIN+ and VIN-.The perseverance
Driving chip is pressed to use ZTP7192 device.It is also possible to other constant pressure driving chips in the market.Such as MP1495, MP1593,
RT8296,MC34063,FP5138…………。
In addition, the environment where monitoring system is the resource-effective system in intelligent room, including intelligence such as Figure 26-38
Cooling capacity distribution system；
In the intelligent cooling capacity distribution system, cooling capacity, main cooling capacity return pipe Q are provided for each room by main cooling capacity supply pipe P
Recycle cooling capacity；Intelligent cooling capacity distribution system further includes auxiliary cold quantity transmission pipe M；
The blower that each room is equipped with heat exchanger and is arranged at heat exchanger；Main cooling capacity supply pipe P and auxiliary cooling capacity
Transfer tube M, which passes through, flows into the entrance that valve connects heat exchanger；Main cooling capacity return pipe Q and auxiliary cold quantity transmission pipe M pass through outflow valve
Door connects the outlet of heat exchanger；Contact pipeline is equipped between the entrance and outlet in adjacent room；The connecting pipe is equipped with
Get in touch with valve；Master Control Center is controlled by into valve, outflow valve and contact valve；It is provided with and is controlled by master control in room
The controller of the heart；
Temperature of Working in main cooling capacity supply pipe P, auxiliary cold quantity transmission pipe M and main cooling capacity return pipe Q successively reduces；That is in P
Temperature be higher than temperature in M, temperature is higher than temperature in Q in M, and into valve, flowing out valve and contact valve is air valve or liquid
Valve, function is identical, only the difference of title.Controller can control the opening of room air-conditioning and adjust air quantity, and setting temperature
Degree.Controller is communicated with Master Control Center.
Intelligent cooling capacity distribution system control strategy is as follows:
(1) if t (i+1)-t (i) > t0, t0 is the threshold value (t1 can be 1-5 degree, preferably 1 degree or 2 degree) of setting, t (i), t
(i+1) be respectively controller in 2 adjacent rooms set temperature；Then Master Control Center is controlled in the i of room by valve and is exchanged heat
The entrance of device connects P, and outlet and the entrance of room i+1 are connected, and Q is connected in the outlet of the heat exchange of room i+1；2 rooms at this time
Heat exchanger series connection, to make full use of cooling capacity, as shown in figure 23；
(2) if t (k)-t (j) > t1, t1 are the threshold value (t1 can be 1-5 degree, preferably 1 degree or 2 degree) of setting, t (k), t
(j) be respectively controller in 2 non-adjacent rooms set temperature；Then Master Control Center is controlled in the j of room by valve and is exchanged heat
The entrance of device connects P, and outlet is communicated with M pipe, and M pipe connects the entrance and exit of the heat exchange of room k with Q pipe respectively；2 rooms at this time
Heat exchanger connected by M pipe, to make full use of cooling capacity, as shown in figure 24.
(3) it is cascaded on the basis of (1) and (2)；If multiple continuous room heat exchangers are by getting in touch with placed in series,
Such as tri- heat exchanger (1#, 2# and 3#) series connection of Figure 10；Multiple room heat exchangers disjunct two-by-two are connected by M pipe, such as Figure 11
Three disjunct heat exchanger (1#, 3# and 5#) series connection；And the heat exchanger in part room is connected by liaison tube, part room
Heat exchanger connected by M pipe, such as Figure 27, room 3# and 4# are connected by liaison tube, and room 1# and 3# connected by M pipe.
P and Q are from central air-conditioning.
The intelligent resource-effective system in room further includes wastewater collection cyclic utilization system, the collection cyclic utilization system
Including sequentially connected wastewater collection pond, waste water purification tank and water purifying tank；Wastewater collection pond is for collecting first use waste water (such as
Wash one's hands with bathing water etc.), purifier (such as filter) is equipped with for the first use to be given up in waste water purification tank
Water is purified, and purified water enters water purifying tank storage, and the water of intake pool carries out secondary use；The secondary use includes
For rushing closestool, for planting watering and to the pond progress moisturizing of indoor and outdoor to green.
It is equipped with electrical equipment in room and protects system, it includes the overload protection based on relay that electrical equipment, which protects system,
Circuit.
Automatic ventilation system is equipped in room, automatic ventilation system includes setting air quality sensor indoors, sets
The window (window that can be venetian blind type or push-down folding) that can be automatically turned on the wall in room is set, further includes setting
Set indoors with outdoor Temperature Humidity Sensor and outdoor precipitation rain fall sensor is set, the folding of window is controlled by room
Controller.Preferred room interior wall is equipped with blower.Blower is opened when necessary and makes cross-ventilation, to adjust temperature and wet
Degree, and purify the air of a room, precipitation rain fall sensor, air quality sensor and Temperature Humidity Sensor are connect with controller.When
Air quality is lower than setting value, then opens the window, and starts blower, implements ventilation.
The intelligent resource-effective system in room further includes the circulation heat absorption pipe network system being arranged in wall；
The circulation heat absorption pipe network system includes the heat absorption pipe network being arranged in outside room within the walls, the water of heat absorption pipe network output
Into boiler, boiler be it is more between room hot water supply is provided；
Boiler heating is equipped in boiler；
Heat absorption pipe network be formed by connecting by multiple snakelike heat-absorbing water pipes 211 by serial or parallel connection mode (in embodiment, by
6 heat-absorbing water pipes form the parallel transistor of 3 branches, and each branch routes 2 suction hoses and concatenated by flange)；Absorbing pipe
The entrance of net is connected to water or connects the cooling water (or chilled water) of air-conditioning system；There is absorbing pipe net unified outlet pipe to converge
Pipe 30；The first temperature sensor (T1) for detecting heat absorption pipe network output water temperature is equipped at convergence pipe；It is equipped with and is used in boiler
Detect the second temperature sensor (T2) of water temperature in boiler；Heat-absorbing water pipe vertical direction is diagonally disposed (so that cold water can be in weight
It flows downward under the action of power)；
First temperature sensor, second temperature sensor and boiler heating are connected with MCU.
Operating mode explanation: when temperature is higher, if summer temperature is more than 30 degree or 35 degree, the temperature of metope at this time
Even 60 degree more than 50 degree under the irradiation of the sun, cold water is injected after heat absorption pipe network sufficiently absorbs heat and enters boiler, and room
Hot water is from boiler, and the hot water temperature that general guest needs is between 45-55 degree.Implement to control according to following situations:
If (a) in 45-55 degree, boiler can be exported directly the water temperature t1 of heat absorption pipe network output without heating；
If (b) t1 is greater than 55 degree, directly output hot water or MCU notice control cold water is added pipe and one is added into boiler
A little cold water are allowed to temperature and export again in the range；Originally there is cold valves K1, K1 to be controlled by MCU in boiler；
If (c) the water temperature t1 of heat absorption pipe network output is less than 45 degree, MCU starting trouble heating device, by the water in boiler
45-55 degree is heated to export again.
The outside of heat-absorbing water pipe is equipped with multiple mounting plates 24 (spaced set), each mounting plate is equipped at least one
Mounting hole 25, mounting hole is for being inserted into screw to fix heat-absorbing water pipe.
It is equipped with muti-piece baffle 26 (preferably spaced set) in heat-absorbing water pipe, each block baffle is equipped with multiple for water flow
The via hole 27 passed through；Via hole is that multiple concentric circle is arranged, and in embodiment, is divided into three circles, inner ring is a via hole, mesosphere 4
A via hole, outer ring are 8 via holes, and it is uniform to cross water.
A plurality of groove 28 is equidistantly equipped in the circumferential direction of the inner wall of heat-absorbing water pipe.For increasing endotherm area, heat absorption is improved
Efficiency.
Baffle and via hole sufficiently absorb heat for delaying water velocity convenient for water.
The exterior wall in room successively includes exterior wall outer layer 311, water pipe mounting layer 32, thermal insulation layer 33 and exterior wall internal layer from outside to inside
34, network collocation is absorbed heat in water pipe mounting layer.Exterior wall outer layer preferably uses Heat Conduction Material, and thermal insulation layer uses insulation material
Material.
In addition, solar panels are installed in the partial region of exterior wall, for absorbing thermal energy and being converted to electric energy, power for room,
Energy conservation and environmental protection, and the emergency power supply as room.
The resource-effective system and method in intelligent room of the invention, is accomplished in several ways the reduction of energy consumption, Yi Jichong
Divide and utilizes the reproducible energy；It is specific:
(1) using the circulation heat absorption pipe network system being arranged in wall
Snakelike heat-absorbing water pipe can absorb the amount of heat of exterior wall, and first, heat cold water can be made full use of, then through pot
Necessity of furnace is heated to be room and provides hot water supply, and second, after the heat for absorbing exterior wall, it can largely reduce into inside room
Heat so that it is indoor more feel nice and cool it is pleasant.
(2) using unique intelligent cooling capacity distribution system, there is unique official website design scheme, the position based on different rooms
It sets and the difference of refrigeration requirement, by cooling capacity using maximizing and intelligent, to improve the utilization efficiency of cooling capacity, reaches section
The purpose that can be lowered consumption.
(3) unique wastewater collection cyclic utilization system is provided in room
The wastewater collection cyclic utilization system can make full use of a waste water, i.e., be used for after further purifying primary waste water
Closestool is rinsed, water is supplemented, is plant watering etc., can significantly save water resource.
Claims (10)
1. a kind of wisdom monitoring method for infant, which comprises the following steps:
Step 1: data acquisition；
By infant's wisdom monitor device collection site data；
Field data includes:
(1) data relevant to drinking-water；
(2) data relevant to sleep state；
(3) sign data；
(4) position data；
Step 2: the data based on acquisition are determined；
Determine the data of acquisition whether in default range (i.e. in safe range)；If exceeding preset range, report is issued
Alert signal；
Step 3: sending the data of acquisition or alarm signal to guardian.
2. the wisdom monitoring method according to claim 1 for infant, it is characterised in that: the data of acquisition are sent to
Server；Determined by server.
3. the wisdom monitoring method according to claim 2 for infant, it is characterised in that: server foundation is guarded
The age of people and physical condition provide amount of drinking water and amount of sleep range.
4. the wisdom monitoring method according to claim 3 for infant, it is characterised in that: guardian is whole by monitoring
End access server query monitor data.
5. the wisdom monitoring method according to claim 4 for infant, it is characterised in that: monitor terminal is intelligent hand
Machine, tablet computer, PC machine or laptop.
6. the wisdom monitoring method according to claim 5 for infant, it is characterised in that: on the smart phone
Monitoring APP is installed.
7. the wisdom monitoring method according to claim 1-6 for infant, which is characterized in that
Data relevant to drinking-water are acquired by drinking-water monitoring modular；
Monitoring modular of drinking water includes water temperature detection module, 3-axis acceleration sensor, voice playing module and weight detecting module；
3-axis acceleration sensor is for detecting drinking-water movement；
Voice playing module is used for high temperature alarm；
Drinking-water monitoring modular also counts the same day accumulative amount of drinking water and drinking-water data.
8. the wisdom monitoring method according to claim 1-6 for infant, which is characterized in that
Data relevant to sleep state are obtained using sleep state monitoring modular；
Sleep state monitoring modular includes three axis acceleration sensors and pressure sensor；Three axis acceleration sensors and pressure sensor
It is respectively provided in pillow in bed；
Sleep state monitoring modular is for detecting sleeping position and sleep duration.
9. the wisdom monitoring method according to claim 1-6 for infant, which is characterized in that
Sign data is acquired using sign data monitoring modular；
Using location information monitoring modular acquisition position data；
Sign data monitoring modular includes heart rate and oximetry sensors；
Location information monitoring modular is safe distance monitoring modular, using the range finder module based on bluetooth.
10. the wisdom monitoring method according to claim 1-6 for infant, which is characterized in that infant
Wisdom monitor device realizes monitoring using MCU, and MCU uses the CC2530 main control module with ZigBee communication module；
Three axis acceleration sensors monitor whether monitored object falls asleep:
For the 3-axis acceleration sensor inside pillow, three axis (X, Y, Z) initial data of the every 30s of user is first intercepted, by people
Three axis square of body acceleration signal under static state are denoted as G2, so calculating new signal G using following formula:
Then the standard deviation (STD) of the data segment and the difference (MAX-MIN) of maximum data value and minimum data value are sought；If full
The difference of sufficient STD > 0.01g and maxima and minima is greater than 0.3g, and g is acceleration of gravity, then marks the period to turn over, otherwise
Labeled as not turning over；For continuous two turn periods, if interval is greater than 30min, the midfeather period is labeled as sound sleep
Phase, by the midfeather period labeled as shallowly the phase is slept, if interval is less than 20min, marks if interval is greater than 20min and is less than 30min
Monitored object is denoted as to wake.
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