CN106091278A - A kind of baby old people room temperature and humidity control system and control method - Google Patents
A kind of baby old people room temperature and humidity control system and control method Download PDFInfo
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- CN106091278A CN106091278A CN201610470519.5A CN201610470519A CN106091278A CN 106091278 A CN106091278 A CN 106091278A CN 201610470519 A CN201610470519 A CN 201610470519A CN 106091278 A CN106091278 A CN 106091278A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The invention discloses a kind of baby old people room temperature and humidity control system and control method, specifically include that power module, key-press module, LCD1602 display module, single-chip microcomputer, output control circuit, Temperature Humidity Sensor, air conditioner, warming machine, humidifier and air exhauster, described power module, key-press module, LCD1602 display module, output control circuit, Temperature Humidity Sensor connects respectively at single-chip microcomputer, air conditioner, warming machine, humidifier and air exhauster are connected with output control circuit respectively, can overcome in prior art low to Temperature and Humidity Control precision in infant room, prior art is only taked to set certain single temperature humidity and is adjusted, owing to temperature humidity transmission has retardance, thus cause temperature to can not get timely regulating affecting baby senior health and fitness.
Description
Technical field
The present invention relates to temperature humidity automatic control technology field, in particular it relates to a kind of baby old people room is warm and humid
Degree control system and control method.
Background technology
Humiture is critically important to the health of people, and the body-sensing of people is the result of both comprehensive functions.Too high or too low is warm and humid
Degree, all can cause the discomfort of human body, the most ill.Infant is higher to the requirement of the humiture of environment.In general, precious
The temperature in precious room is advisable with 18-22 DEG C, and it is suitable that the temperature in neonate room is maintained at 22-24 DEG C.Room temperature is too high, can cause
Newborn skin evaporates a large amount of perspiration discharges and dispels the heat, and tachypnea takes away moisture, makes internal water not enough, pachyemia, and
Cause fever.Room temperature is too low, and neonate body temperature can be made not rise, and makes newborn skin and subcutaneous fat hardening, occurs neonate hard
Swollen disease, and affect extremity activity and sucking action.Therefore, suitable ambient temperature is the most basic measure that neonate is warming.With
Time humidity the most extremely important to the respiratory health of baby.It is basic demand that the humidity in baby room is maintained at about 45%-70%.
The humidity in neonate room is maintained between 55%-65%.If humidity is the lowest, the respiratory mucosa of baby will be dried and make to stick
Film defense function declines, and the fibre function that also can make respiratory tract is impaired, so certainly will reduce baby to antibacterial and virus
Resistivity, cause respiratory tract infection.In all of pediatric disease, what sickness rate was the highest may be exactly respiratory tract disease
, and temperature and humidity is the most suitable, is one of key factor affecting respiratory tract disease morbidity.Therefore, increasing father
Female temperature and humidity to baby's living environment focuses more on.
During realizing the present invention, inventor finds at least to there is infant or old people room temperature in prior art
Degree control system control accuracy is low, is adjusted around single temperature value, and control mode is excessively simple, uncomfortable etc. in causing room
Defect.
Summary of the invention
It is an object of the invention to, for the problems referred to above, propose a kind of baby old people room temperature and humidity control system, with
Realize improving the degree of the automatization of humiture, the advantage improving room comfort level.
For achieving the above object, the technical solution used in the present invention is: a kind of baby old people's room temperature control system,
Specifically include that power module, key-press module, LCD1602 display module, single-chip microcomputer, output control circuit, Temperature Humidity Sensor,
Air conditioner, warming machine, humidifier and air exhauster, described power module, key-press module, LCD1602 display module, output control electricity
Road, Temperature Humidity Sensor connect respectively at single-chip microcomputer, and air conditioner, warming machine, humidifier and air exhauster control electricity with output respectively
Road connects.
Further, described Temperature Humidity Sensor uses SHT10.
Further, described output control circuit specifically, the input of relay R L1, the input of relay R L2,
The input of relay R L3 and the input of relay R L4 are connected with the outfan pin of driving chip ULN2003A respectively, continue
First connection end of the input of electrical equipment RL1 is connected end and connects with the first of relay R L2 input, the input of relay R L3
End first connects the first of the end input with relay R L1 and is connected end connection；First connection end of the input of relay R L4
It is connected end with the first of the input of relay R L2 to connect；The input of driving chip ULN2003A connects single-chip microcomputer.
Further, described key-press module include initialization system time button S2, the time of initialization system ventilation and
The button S3 of duration, the button S4 of setting humiture upper threshold value, the button S5 setting humiture lower threshold value and selection set environment
The upper lower threshold value S6 of humiture.
Further, described key-press module is specifically, resistance R1 is connected with the input pin PD4 of single-chip microcomputer；Resistance R2
It is connected with the input pin PD3 of single-chip microcomputer；Resistance R3 is connected with the input pin PD2 of single-chip microcomputer, resistance R4 and single-chip microcomputer
Input pin PD1 connect；Resistance R5 is connected with the input pin PD0 of single-chip microcomputer；Switch S2 one end and input pin
PD0 connects, and the other end is connected with earth terminal；Switch S3 one end is connected with input pin PD1, and the other end is connected with earth terminal；
Switch S4 one end is connected with input pin PD2, and the other end is connected with earth terminal；Switch S5 one end is with input pin PD3 even
Connecing, the other end is connected with earth terminal；Switch S6 one end is connected with input pin PD4, and the other end is connected with earth terminal.
Further, the control method of baby old people room temperature and humidity control system, comprise the following steps:
A. system initialization；
B. set up with Temperature Humidity Sensor and communicate；
C. obtain and show current warm and humid angle value；
D. by lower threshold value, ventilation time and duration and ambient temperature and humidity in button initialization system time, humiture；
E. judge whether room temperature is higher than the upper threshold value of temperature, if room temperature is higher than the upper threshold value of temperature, then open cold mechanism of qi；If room temperature
Not higher than the upper threshold value of temperature, then carry out step f；
F. judging whether room temperature declines the lower threshold value being close to temperature, if being close to the lower threshold value of design temperature, closing cold air
Machine, if room temperature does not decline the lower threshold value being close to temperature, then carries out step g；
G. judge that room temperature, whether less than threshold value at a temperature of setting, if room temperature is less than threshold value at a temperature of setting, then opens heating installation
Machine, if room temperature is not less than threshold value at a temperature of setting, then carries out step h；
H. judge whether room temperature rises the temperature upper threshold value close to setting, if close to temperature upper threshold value, turning off steam machine, if
Room temperature does not rise and is close to temperature upper threshold value, then carry out step i；
I. judge whether indoor humidity is higher than the upper threshold value of humidity, if indoor humidity is higher than the upper threshold value of setting humidity, then open
Air exhauster, if indoor humidity is not higher than the upper threshold value of humidity, then carries out step j；
J. judge whether indoor humidity declines the lower threshold value close to humidity, judge whether ventilation time arrives simultaneously, if indoor wet
Lower threshold value and ventilation time that degree declines close to humidity do not arrive, then close air exhauster, otherwise carry out step k；
K. judge whether indoor humidity is less than the lower threshold value of humidity, if indoor humidity is less than humidity lower threshold value, then open humidifier,
Carry out step l；
L. judging whether humidity rises the upper threshold value close to humidity, if close to upper threshold value, closing humidifier, otherwise carrying out step
m；
M. judge whether to regulate without any parameter, being shown as system time indoor temperature and humidity if then updating, otherwise carrying out
Step n；
N. step d-m is repeated.
Further, the temperature that system initially sets is as 20-22 DEG C, and humidity range is 55%-65%.
Further, in described step b, Temperature Humidity Sensor timing acquiring humidity, setting interval is 1 minute.
Further, described step m is specifically, when key-press module is not pressed beyond 30S, then update and be shown as system
Time indoor temperature and humidity.
Various embodiments of the present invention, owing to specifically including that power module, key-press module, LCD1602 display module, monolithic
Machine, output control circuit, Temperature Humidity Sensor, air conditioner, warming machine, humidifier and air exhauster, described power module, button mould
Block, LCD1602 display module, output control circuit, Temperature Humidity Sensor connect respectively at single-chip microcomputer, air conditioner, warming machine, add
Wet device and air exhauster are connected with output control circuit respectively；Such that it is able to overcome in prior art in infant room humiture
Control accuracy is low, and room temperature is too high, causes newborn skin to evaporate a large amount of perspiration and discharges and dispel the heat, and tachypnea is taken away moisture, made
Internal water is not enough, pachyemia, and causes fever, and room temperature is too low, and neonate body temperature can be made not rise, and makes newborn skin and skin
Lower fat is hardening, neonatal scleredema occurs, and affects extremity activity and sucking action, and the humidity in neonate room is maintained at
Between 55%-65%.If humidity is the lowest, the respiratory mucosa of baby will be dried and make mucosal defense function reduction, also can make
The fibre function of respiratory tract is impaired, so certainly will reduce baby to antibacterial and the resistivity of virus, cause respiratory tract
Infect.Prior art is only taked to set certain single temperature humidity and is adjusted simultaneously, owing to temperature humidity transmission has retardance,
Thus cause temperature to can not get timely and regulate, and this programme uses and compares regulation indoor temperature by temperature threshold, thus
Making room temperature be in comfortable scope all the time, will not cause damage baby due to sometimes hot and sometimes cold, system also add logical
Wind air exchange system so that room is aerated ventilation in time, increases room comfort level.Other features and advantages of the present invention will be
Description subsequently illustrates, and, partly become apparent from description, or by the enforcement present invention
Solve.
Below by embodiment, technical scheme is described in further detail.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Specifically, a kind of baby old people room temperature and humidity control system, including power module, key-press module, LCD1602
Display module, single-chip microcomputer, output control circuit, Temperature Humidity Sensor, air conditioner, warming machine, humidifier and air exhauster, described electricity
Source module, key-press module, LCD1602 display module, output control circuit, Temperature Humidity Sensor connect respectively at single-chip microcomputer, cold
Mechanism of qi, warming machine, humidifier and air exhauster are connected with output control circuit respectively.
Described Temperature Humidity Sensor uses SHT10.
Described output control circuit is specifically, the input of relay R L1, the input of relay R L2, relay R L3
Input and the input of relay R L4 be connected with the outfan pin of driving chip ULN2003A respectively, relay R L1
First connection end of input is connected end and connects with the first of relay R L2 input, and the input of relay R L3 first connects
Hold first of the input with relay R L1 to be connected end to connect；First connection end and relay of the input of relay R L4
First connection end of the input of RL2 connects；The input of driving chip ULN2003A connects single-chip microcomputer.
Described key-press module includes initialization system time button S2, the time of initialization system ventilation and the button of duration
S3, set humiture upper threshold value button S4, set humiture lower threshold value button S5 and select set environment humiture upper
Lower threshold value S6.
Described key-press module is specifically, resistance R1 is connected with the input pin PD4 of single-chip microcomputer；Resistance R2 and single-chip microcomputer
Input pin PD3 connects；Resistance R3 is connected with the input pin PD2 of single-chip microcomputer, resistance R4 and the input pipe of single-chip microcomputer
Foot PD1 connects；Resistance R5 is connected with the input pin PD0 of single-chip microcomputer；Switch S2 one end is connected, separately with input pin PD0
One end is connected with earth terminal；Switch S3 one end is connected with input pin PD1, and the other end is connected with earth terminal；Switch S4 one end
Being connected with input pin PD2, the other end is connected with earth terminal；Switch S5 one end be connected with input pin PD3, the other end and
Earth terminal connects；Switch S6 one end is connected with input pin PD4, and the other end is connected with earth terminal.
It is characterized in that, comprise the following steps:
A. system initialization；
B. set up with Temperature Humidity Sensor and communicate；
C. obtain and show current warm and humid angle value；
D. by lower threshold value, ventilation time and duration and ambient temperature and humidity in button initialization system time, humiture；
E. judge whether room temperature is higher than the upper threshold value of temperature, if room temperature is higher than the upper threshold value of temperature, then open cold mechanism of qi；If room temperature
Not higher than the upper threshold value of temperature, then carry out step f；
F. judging whether room temperature declines the lower threshold value being close to temperature, if being close to the lower threshold value of design temperature, closing cold air
Machine, if room temperature does not decline the lower threshold value being close to temperature, then carries out step g；
G. judge that room temperature, whether less than threshold value at a temperature of setting, if room temperature is less than threshold value at a temperature of setting, then opens heating installation
Machine, if room temperature is not less than threshold value at a temperature of setting, then carries out step h；
H. judge whether room temperature rises the temperature upper threshold value close to setting, if close to temperature upper threshold value, turning off steam machine, if
Room temperature does not rise and is close to temperature upper threshold value, then carry out step i；
I. judge whether indoor humidity is higher than the upper threshold value of humidity, if indoor humidity is higher than the upper threshold value of setting humidity, then open
Air exhauster, if indoor humidity is not higher than the upper threshold value of humidity, then carries out step j；
J. judge whether indoor humidity declines the lower threshold value close to humidity, judge whether ventilation time arrives simultaneously, if indoor wet
Lower threshold value and ventilation time that degree declines close to humidity do not arrive, then close air exhauster, otherwise carry out step k；
K. judge whether indoor humidity is less than the lower threshold value of humidity, if indoor humidity is less than humidity lower threshold value, then open humidifier,
Carry out step l；
L. judging whether humidity rises the upper threshold value close to humidity, if close to upper threshold value, closing humidifier, otherwise carrying out step
m；
M. judge whether to regulate without any parameter, being shown as system time indoor temperature and humidity if then updating, otherwise carrying out
Step n；
N. step d-m is repeated.
The temperature that system initially sets is as 20-22 DEG C, and humidity range is 55%-65%.
In described step b, Temperature Humidity Sensor timing acquiring humidity, setting interval is 1 minute.
Described step m is specifically, when key-press module is not pressed beyond 30S, then update and be shown as system time indoor
Temperature and humidity.
A kind of infant room based on AVR single chip temperature and humidity intelligent control system is designed herein for this, can be according to room
The change of interior ambient temperature and humidity, automatically controls cooling, heats up, humidifies or dehumidify, it is achieved being automatically adjusted of indoor temperature and humidity, to protect
Demonstrate,prove the comfortable of baby's living environment.It addition, system is also provided with timing ventilation ventilatory, to keep room air fresh, more
Be conducive to the functional development of infant respiratory system, it is ensured that healthy.
Native system can be possible not only to the upper lower threshold value of set environment temperature, humidity by key-press input, it is also possible to arranges every
The time of day timing ventilation ventilation and duration.Gather indoor humiture data by Temperature Humidity Sensor SHT10, respectively with set
Determine ambient temperature, the upper lower threshold value of humidity is made comparisons.When indoor temperature is too high, during higher than the ambient temperature upper threshold value set, logical
Crossing single-chip microcomputer and send control signal, open cold mechanism of qi, to reduce room temperature.Transmission in view of temperature has certain retardance, and
And in order to avoid just stopping at threshold value critical point, air conditioner and warming machine one, another situation about in succession working just started, can
Arrange when indoor temperature declines close to threshold value at temperature (threshold value about+1 DEG C at a temperature of such as), be shut off air conditioner.Work as room
Interior temperature is too low, when being less than threshold value at a temperature of setting, opens warming machine, so that indoor intensification.When indoor temperature rises close
During temperature upper threshold value (such as temperature upper threshold value about-1 DEG C), then turning off steam machine.It is similar to, when indoor humidity is too high, is higher than
During the ambient humidity upper threshold value set, open air exhauster, to reduce humidity.Transmission in view of humidity also has certain delay
Property, and avoid in succession working of humidifier and air exhauster, it is possible to arrange when indoor humidity declines close to humidity lower threshold value, close
Close air exhauster.If indoor humidity is too low, during less than the humidity lower threshold value set, open humidifier, to ensure indoor humidity.When
When indoor humidity rises close to humidity upper threshold value, then close humidifier.
System realizes ventilation by air exhauster.Arriving when the time set, system can automatically turn on air exhauster, with reality
Existing indoor air-changing.When the operating of air exhauster reaches the duration set, air exhauster just can automatic stall.In convulsion operates, may
Indoor humidity can be made to decline, but as long as less than humidity lower threshold value, humidifier also can automatically turn on, it is ensured that the humidity of environment is wanted
Ask.
According to the master-plan of infant room temperature and humidity control system, system with ATmega16L single-chip microcomputer as control core,
Other parts are designed with modularity.ATmega16L is 8 the CMOS microcontroller of low-power consumption of the AVR risc architecture strengthened
Device, internal resource enriches, has 4 basic I/O mouths, 3 timer internal/enumerators and can arrange 3 external interrupt
Request, makes the Hardware Design more simplify, reliably.
Five buttons are respectively connected to the PD0-PD4 passage of single-chip microcomputer.Button S2, S3, S6 are set to function key: S2 and are used for setting
Determining the time of system, S3 is used for time and the duration of initialization system ventilation, and S6 is for selecting set environment humiture
Upper lower threshold value.Button S4 and S5 is set to parameter value and adjusts the incremental key that key: S4 is time and duration numerical value, is the most also used for regulating
The upper threshold value of humiture.S5 is the key that successively decreases of time and duration numerical value, is the most also used for regulating the lower threshold value of humiture.S4 and S5
It is connected to PD2 and PD3 passage.PD2 and PD3 passage is external interrupt INT0 and the INT1 of single-chip microcomputer respectively.Outside the two
Interruption can be reacted in the change of logarithm value rapidly.
Its work process can be carried out as follows: the pin of definition PD port is band pull-up resistor input pattern, if
Button is not pressed, then the I/O port connected will be directly connected on VCC by resistance, now the drawing of I/O port
A high level can be added on foot；If a button is pressed, then the I/O port being connected to will be directly connected to power supply
On the ground, now the pin of I/O port will be coupled with a low level.Single-chip microcomputer meeting scanning port, can be true according to port value
Surely the button pressed.
Data acquisition module is made up of Temperature Humidity Sensor and associated interface circuitry, and sensor assembly is responsible for gathering in environment
Epidemic disaster data, and the signal collected is converted into digital signal for processor module work.The design selects
SHT10 is digital interface integration semiconductor transducer, and it is a compound containing the epidemic disaster calibrating digital signal output
Sensor, has that quality brilliance, super fast response, capacity of resisting disturbance be strong, cost performance pole advantages of higher.Its measurement scope be 0%RH～
100%RH ,-40 DEG C～123.8 DEG C, humidity measurement precision is ± 4.5%RH, and temperature measurement accuracy is ± 0.5 DEG C (25 DEG C), and running voltage is
2.4～5.5V.SHT10 and interface microcontroller circuit PA0 are connected to the clock pins SCK, PA1 of SHT10 and are connected to the data of SHT10 and draw
Foot DATA.
The output control circuit of the design mainly makes heavy current installation air conditioner, warming machine, humidifier, air exhauster (electricity
Machine) can run and stop, making the actuating of relay by the change of input signal, thus the control circuit of these equipment is carried out
Switch on and off, it is achieved automatically controlling of equipment.Driving force in view of single-chip processor i/o mouth is not strong, therefore adds
ULN2003A is used for driving the actuating of relay.Single-chip microcomputer is output a control signal to by ULN2003A and relay by PB4～PB7
The control to relay of the drive circuit of RTB14050F composition, to realize the on off control to each motor.Output control circuit,
When any one in single-chip microcomputer PB4～PB7 provides high level, corresponding relay coil energising, relay contact action, drive
Dynamic corresponding motor startup optimization；Relay coil power-off during low level, motor stalling.
System, generally shows the system time and indoor temperature and humidity as display module also by LCD1602, so that
Obtain user and can grasp ambient conditions in real time；When user's adjustment isoparametric to time or Threshold of Temperature And Humidity operation, then enter ginseng
Number arranges interface, user-friendly.
It is worthy of note, ATmega16L single-chip microcomputer is also reserved with certain pin resource with extension system, it is possible to multiple spot
Gather humiture, form the regulation of multiple spot humiture Automated condtrol.
The comparison of humiture and output control to be the temperature of respectively that current indoor is actual temperature, humidity and setting, wet
The upper lower threshold value of degree is made comparisons, and according to result of the comparison, sends control signal, outside operation by the I/O mouth of corresponding single-chip microcomputer
Enclose electric equipment.Such as, when actual room temperature is beyond temperature upper threshold value, I/O mouth PB4 corresponding with air conditioner becomes high level,
PB4 is connected to the input 1B of ULN2003A so that its outfan 1C becomes low level, relay R L1 coil electricity, opens cold air
Machine, reduces room temperature；When temperature decline close at a temperature of threshold value time, PB4 becomes low level, closes air conditioner.Other three kinds of feelings
The comparison of condition is similar.
According to the requirement to ambient temperature and humidity of the baby room, the temperature set point of system default is 20-22 DEG C, humidity model
Enclosing is 55%-65%.User suitably can be adjusted by key-press module according to practical situation.
The timing ventilation time of system default is 9:30:00 in the morning, and ventilation duration is 20 minutes.
Devise a kind of infant room based on AVR single chip temperature and humidity intelligent control system herein, gather current indoor
Actual humiture, with set Threshold of Temperature And Humidity compare, when exceeding the temperature humidity range of setting, can send accordingly control letter
Number, control air conditioner, warming machine, humidifier, the action of air exhauster, it is achieved being automatically adjusted of humiture, to ensure that baby is comfortable
Living environment.System also sets up timing ventilation ventilation, it is ensured that room air fresh.System hardware resources utilizes rationally, can
Favorable expandability.Programming clear thinking, simple, feasible.This system can also be promoted for old man room, intensive care unit and experiment
The Temperature and Humidity Control of the occasions such as room.Show through practical test: this system can automatically control cooling, heat up, humidifies, dehumidifies and lead to
Wind, thus adjust the humiture in infant room, it is achieved the optimum living environment of infant.
At least can reach following beneficial effect: overcome in prior art in infant room Temperature and Humidity Control precision
Low, room temperature is too high, causes newborn skin to evaporate a large amount of perspiration and discharges and dispel the heat, and tachypnea is taken away moisture, made internal water
Deficiency, pachyemia, and cause fever, room temperature is too low, and neonate body temperature can be made not rise, and makes newborn skin and subcutaneous fat become
Firmly, there is neonatal scleredema, and affect that extremity are movable and sucking action, the humidity in neonate room be maintained at 55%-65% it
Between.If humidity is the lowest, the respiratory mucosa of baby will be dried and make mucosal defense function reduction, also can make the fibre of respiratory tract
Hair function is impaired, so certainly will reduce baby to antibacterial and the resistivity of virus, cause respiratory tract infection.Simultaneously existing
There is technology only to take to set certain single temperature humidity to be adjusted, owing to temperature humidity transmission has retardance, thus cause temperature
Degree can not get regulating timely, and this programme uses and compares regulation indoor temperature by temperature threshold, so that room temperature
Degree is in comfortable scope all the time, will not cause damage baby due to sometimes hot and sometimes cold.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (9)
1. a baby old people room temperature and humidity control system, it is characterised in that include power module, key-press module,
LCD1602 display module, single-chip microcomputer, output control circuit, Temperature Humidity Sensor, air conditioner, warming machine, humidifier and convulsion
Machine, described power module, key-press module, LCD1602 display module, output control circuit, Temperature Humidity Sensor are respectively at monolithic
Machine connects, and air conditioner, warming machine, humidifier and air exhauster are connected with output control circuit respectively.
Infant room the most according to claim 1 temperature and humidity control system, it is characterised in that described Temperature Humidity Sensor
Use SHT10.
Infant room the most according to claim 2 temperature and humidity control system, it is characterised in that described output control circuit
Specifically, the input of the input of the input of relay R L1, relay R L2, relay R L3 and the input of relay R L4
End is connected with the outfan pin of driving chip ULN2003A respectively, the first connection end and relay of the input of relay R L1
First connection end of device RL2 input connects, and the input of relay R L3 first connects the end input with relay R L1
First connects end connects；First connection end of the input of relay R L4 is connected end even with the first of the input of relay R L2
Connect；The input of driving chip ULN2003A connects single-chip microcomputer.
Infant room the most according to claim 3 temperature and humidity control system, it is characterised in that described key-press module includes
The button S3 of initialization system time button S2, the time of initialization system ventilation and duration, set pressing of humiture upper threshold value
Key S4, the button S5 setting humiture lower threshold value and the upper lower threshold value S6 of selection set environment humiture.
Infant room the most according to claim 4 temperature and humidity control system, it is characterised in that described key-press module is concrete
For, resistance R1 is connected with the input pin PD4 of single-chip microcomputer；Resistance R2 is connected with the input pin PD3 of single-chip microcomputer；Resistance R3
Being connected with the input pin PD2 of single-chip microcomputer, resistance R4 is connected with the input pin PD1 of single-chip microcomputer；Resistance R5 and single-chip microcomputer
Input pin PD0 connect；Switch S2 one end is connected with input pin PD0, and the other end is connected with earth terminal；Switch S3 mono-
End is connected with input pin PD1, and the other end is connected with earth terminal；Switch S4 one end is connected with input pin PD2, the other end
It is connected with earth terminal；Switch S5 one end is connected with input pin PD3, and the other end is connected with earth terminal；Switch S6 one end is with defeated
Entering to hold pin PD4 to connect, the other end is connected with earth terminal.
6. a control method based on the baby old people room temperature and humidity control system described in claim 5, its feature exists
In, comprise the following steps:
A. system initialization；
B. set up with Temperature Humidity Sensor and communicate；
C. obtain and show current warm and humid angle value；
D. by lower threshold value, ventilation time and duration and ambient temperature and humidity in button initialization system time, humiture；
E. judge whether room temperature is higher than the upper threshold value of temperature, if room temperature is higher than the upper threshold value of temperature, then open cold mechanism of qi；If room temperature
Not higher than the upper threshold value of temperature, then carry out step f；
F. judging whether room temperature declines the lower threshold value being close to temperature, if being close to the lower threshold value of design temperature, closing cold air
Machine, if room temperature does not decline the lower threshold value being close to temperature, then carries out step g；
G. judge that room temperature, whether less than threshold value at a temperature of setting, if room temperature is less than threshold value at a temperature of setting, then opens heating installation
Machine, if room temperature is not less than threshold value at a temperature of setting, then carries out step h；
H. judge whether room temperature rises the temperature upper threshold value close to setting, if close to temperature upper threshold value, turning off steam machine, if
Room temperature does not rise and is close to temperature upper threshold value, then carry out step i；
I. judge whether indoor humidity is higher than the upper threshold value of humidity, if indoor humidity is higher than the upper threshold value of setting humidity, then open
Air exhauster, if indoor humidity is not higher than the upper threshold value of humidity, then carries out step j；
J. judge whether indoor humidity declines the lower threshold value close to humidity, judge whether ventilation time arrives simultaneously, if indoor wet
Lower threshold value and ventilation time that degree declines close to humidity do not arrive, then close air exhauster, otherwise carry out step k；
K. judge whether indoor humidity is less than the lower threshold value of humidity, if indoor humidity is less than humidity lower threshold value, then open humidifier,
Carry out step l；
L. judging whether humidity rises the upper threshold value close to humidity, if close to upper threshold value, closing humidifier, otherwise carrying out step
m；
M. judge whether to regulate without any parameter, being shown as system time indoor temperature and humidity if then updating, otherwise carrying out
Step n；
N. step d-m is repeated.
The control method of infant room the most according to claim 6 temperature and humidity control system, it is characterised in that at the beginning of system
The temperature beginning to set is as 20-22 DEG C, and humidity range is 55%-65%.
The control method of infant room the most according to claim 7 temperature and humidity control system, it is characterised in that described step
In rapid b, Temperature Humidity Sensor timing acquiring humidity, setting interval is 1 minute.
The control method of infant room the most according to claim 8 temperature and humidity control system, it is characterised in that described step
M is specifically, when key-press module is not pressed beyond 30S, then update and be shown as system time indoor temperature and humidity.
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