CN106123212A - A kind of baby old people room humidity and air exchange control system and control method - Google Patents
A kind of baby old people room humidity and air exchange control system and control method Download PDFInfo
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- CN106123212A CN106123212A CN201610470405.0A CN201610470405A CN106123212A CN 106123212 A CN106123212 A CN 106123212A CN 201610470405 A CN201610470405 A CN 201610470405A CN 106123212 A CN106123212 A CN 106123212A
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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
-
- 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
- F24F11/0001—Control or safety arrangements for ventilation
-
- 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
- F24F2110/00—Control inputs relating to air properties
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
nullThe invention discloses a kind of baby old people room humidity and air exchange control system and control method，Specifically include that power module、Key-press module、LCD1602 display module、Single-chip microcomputer、Output control circuit、Humidity sensor、Humidifier and air exhauster，Described power module、Key-press module、LCD1602 display module、Output control circuit、Humidity sensor connects respectively at single-chip microcomputer，Air conditioner、Warming machine and air exhauster are connected with output control circuit respectively，Room low to humid control precision ventilation in infant room can be overcome in prior art to ventilate defect not in time，Prior art is only taked to set certain single humidity value and is adjusted simultaneously，Owing to humidity inductive needs a period of time thus cause humidity to can not get timely to regulate，And this programme employing carrys out conditioning chamber humidity by arranging humidity threshold，So that room humidity is in comfortable scope all the time，The wettest baby will not be caused damage owing to neglecting dry neglecting.
Description
Technical field
The present invention relates to automatization's humidity and aeration techniques field, in particular it relates to a kind of baby old people room humidity and
Air exchange control system and control method.
Background technology
Humidity 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 humidity, all
The discomfort of human body can be caused, the most ill.Infant is higher to the requirement of the humidity of environment.In general, humidity is to treasured
Precious respiratory health is the most extremely important.It is basic demand that the humidity in baby room is maintained at about 45%-70%.Neonate room
Humidity be maintained between 55%-65%.If humidity is the lowest, the respiratory mucosa of baby will be dried and make mucosal defense function
Declining, the fibre function that also can make respiratory tract is impaired, so certainly will reduce baby to antibacterial and the resistivity of virus,
Cause respiratory tract infection.In all of pediatric disease, what sickness rate was the highest may be exactly respiratory tract disease, and whether humidity
Properly, it is one of key factor affecting respiratory tract disease morbidity.Therefore, wet to baby's living environment of increasing father and mother
Degree focuses more on.
During realizing the present invention, inventor finds at least to there is infant old people's room humidity in prior art
Control system is low to the control accuracy of humidity, is adjusted around single humidity value so that room degree is fluctuated, causes health
Discomfort, simultaneously because old people's cell senescence metabolism, causes room often to have abnormal flavour and can not get taking a breath timely unhealthful
Etc. defect.
Summary of the invention
It is an object of the invention to, for the problems referred to above, propose one, with the advantage realized.
For achieving the above object, the technical solution used in the present invention is: a kind of baby old people room humidity and ventilation control
System and control method, specifically include that power module, key-press module, LCD1602 display module, single-chip microcomputer, output control electricity
Road, humidity sensor, humidifier and air exhauster, described power module, key-press module, LCD1602 display module, output control electricity
Road, humidity sensor connect respectively at single-chip microcomputer, and air conditioner, warming machine and air exhauster are connected with output control circuit respectively.
Further, described output control circuit is specifically, the input of relay R L1 and the input of relay R L2
It 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 RL2 input connects；The input of driving chip ULN2003A connects single-chip microcomputer.
Further, described output control circuit is specifically, the input of relay R L1 and the input of relay R L2
Being connected with the outfan pin of driving chip ULN2003A respectively, 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 humidity upper threshold value, the button S5 setting humidity lower threshold value and selection set environment humidity
Upper lower threshold value S6.
Further, described key-press module is specifically, resistance R1 is connected with the input pin PD4 of single-chip microcomputer；Resistance R2 and list
The input pin PD3 of sheet machine connects；Resistance R3 is connected with the input pin PD2 of single-chip microcomputer；Resistance R4 is defeated with single-chip microcomputer
Enter to hold pin PD1 to connect；Resistance R5 is connected with the input pin PD0 of single-chip microcomputer；Switch S2 one end is with input pin PD0 even
Connecing, 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 connected with input pin PD3, another
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, baby old people room humidity and the control method of air exchange control system, comprise the following steps:
A. system initialization；
B. set up with humidity sensor and communicate；
C. obtain and show current humidity value；
D. by lower threshold value, ventilation time and duration and ambient humidity in button initialization system time, humidity；
E. 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, otherwise carries out step f；
F. judge whether indoor humidity declines the lower threshold value close to humidity, judge whether ventilation time or duration arrive simultaneously, if
Lower threshold value and ventilation time that indoor humidity declines close to humidity do not arrive, then close air exhauster, otherwise carry out step g；
G. 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,
Otherwise carry out step h；
H. judging whether humidity rises the upper threshold value close to humidity, if close to upper threshold value, closing humidifier, otherwise carrying out step
i；
I. judge whether to regulate without any parameter, being shown as system time indoor humidity if then updating, otherwise carrying out step j；
J. d-i is repeated.
Further, in described step b, humidity sensor timing acquiring humidity, setting interval is 1 minute.
Further, in described step e, during the ventilation of setting a length of 20 minutes.
Further, described step i is specifically, when described key-press module is not pressed beyond 30S, then update and be shown as
System time indoor degree.
Various embodiments of the present invention, owing to specifically including that power module, key-press module, LCD1602 display module, monolithic
Machine, output control circuit, humidity sensor, humidifier and air exhauster, described power module, key-press module, LCD1602 show mould
Block, output control circuit, humidity sensor connect respectively at single-chip microcomputer, and air conditioner, warming machine and air exhauster are controlled with output respectively
Circuit processed connects；Such that it is able to overcome in prior art low to humid control precision in infant room, if humidity is the lowest, precious
Precious respiratory mucosa will be dried and make mucosal defense function reduction, and the fibre function that also can make respiratory tract is impaired, and such one
To reduce baby to antibacterial and the resistivity of virus, cause respiratory tract infection, prior art is only taked to set simultaneously
Certain single humidity value is adjusted, owing to humidity inductive needs a period of time thus cause humidity to can not get timely to regulate, and
This programme employing carrys out conditioning chamber humidity by arranging humidity threshold, so that room humidity is in comfortable scope all the time,
The wettest baby will not be caused damage owing to neglecting dry neglecting.Room abnormal flavour also can produce harmful effect to infant old people simultaneously, increases
Having added ventilation function makes ventilation have function of fixed place and time so that ventilation is adjusted with humidity simultaneously, increases
The strong comfort level in room.
Other features and advantages of the present invention will illustrate in the following description, and, partly become from description
Obtain it is clear that or understand by implementing the present invention.
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, including power module, key-press module, LCD1602 display module, single-chip microcomputer, output control circuit, humidity
Sensor, humidifier and air exhauster, described power module, key-press module, LCD1602 display module, output control circuit, humidity
Sensor connects respectively at single-chip microcomputer, and air conditioner, warming machine and air exhauster are connected with output control circuit respectively.
Described output control circuit specifically, the input of relay R L1 and relay R L2 input respectively with driving
The outfan pin of chip ULN2003A connects, the first connection end of the input of relay R L1 and relay R L2 input
First connects end connects；The input of driving chip ULN2003A connects single-chip microcomputer.
Described output control circuit specifically, the input of relay R L1 and relay R L2 input respectively with driving
The outfan pin of chip ULN2003A connects, and 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, the button S4 of setting humidity upper threshold value, the button S5 setting humidity lower threshold value and the upper lower threshold value of selection set environment humidity
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.
Baby old people room humidity and the control method of air exchange control system, comprise the following steps:
A. system initialization；
B. set up with humidity sensor and communicate；
C. obtain and show current humidity value；
D. by lower threshold value, ventilation time and duration and ambient humidity in button initialization system time, humidity；
E. 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, otherwise carries out step f；
F. judge whether indoor humidity declines the lower threshold value close to humidity, judge whether ventilation time or duration arrive simultaneously, if
Lower threshold value and ventilation time that indoor humidity declines close to humidity do not arrive, then close air exhauster, otherwise carry out step g；
G. 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,
Otherwise carry out step h；
H. judging whether humidity rises the upper threshold value close to humidity, if close to upper threshold value, closing humidifier, otherwise carrying out step
i；
I. judge whether to regulate without any parameter, being shown as system time indoor humidity if then updating, otherwise carrying out step j；
J. d-i is repeated.
In described step b, humidity sensor timing acquiring humidity, setting interval is 1 minute.
In described step e, during the ventilation of setting a length of 20 minutes.
Described step i is specifically, when described key-press module is not pressed beyond 30S, then update and be shown as system time
Indoor humidity.
Native system can be possible not only to the upper lower threshold value of set environment humidity by key-press input, it is also possible to arranges timing every day
The time of ventilation and duration.Indoor humidity data is gathered, respectively upper with set environment humidity by humidity sensor
Lower threshold value is made comparisons.When indoor humidity is too high, during higher than the ambient humidity upper threshold value set, open air exhauster, to reduce humidity.
Also there is certain retardance in view of the transmission of humidity, and avoid in succession working of humidifier and air exhauster, it is possible to arrange and work as
When indoor humidity declines close to humidity lower threshold value, close air exhauster.If indoor humidity is too low, less than the humidity lower threshold value set
Time, open humidifier, to ensure indoor humidity.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.System is with ATmega16L single-chip microcomputer as control core, and other parts are designed with modularity.
ATmega16L is 8 the CMOS microcontrollers of low-power consumption of the AVR risc architecture strengthened, and internal resource enriches, tool
There are 4 basic I/O mouths, 3 timer internal/enumerators and 3 external interrupt requests can be set, making system hardware set
Meter more simplifies, reliably.
Four buttons are respectively connected to PD0, PD2, PD3, PD4 passage of single-chip microcomputer.Button S2, S6 are set to function key: S2 and use
In the time of initialization system, S6 is for selecting the upper lower threshold value of set environment humidity.Button S4 and S5 is set to parameter value and adjusts
Key: S4 is the incremental key of time and duration numerical value, is the most also used for regulating the upper threshold value of humidity.S5 is time and duration numerical value
Successively decrease key, is the most also used for regulating the lower threshold value of humidity.S4 and S5 is connected to PD2 and PD3 passage.PD2 and PD3 passage is single respectively
The external interrupt INT0 of sheet machine and INT1.Can the change of logarithm value rapidly be reacted by the two external interrupt.
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.
Output control circuit mainly enables heavy current installation run and stop, and makes relay by the change of input signal
Action, thus the control circuit of these equipment is switched on and off, it is achieved automatically controlling of equipment.In view of single-chip microcomputer I/
The driving force of O mouth is not strong, therefore adds ULN2003A for driving the actuating of relay.Single-chip microcomputer is exported by PB4～PB7
Control signal is to the drive circuit being made up of ULN2003A and the relay R TB14050F control to relay, to realize respectively
The on off control of motor.When any one in single-chip microcomputer output pin provides high level, corresponding relay coil energising, continues
Appliance contact action, drives corresponding motor startup optimization；Relay coil power-off during low level, motor stalling.
System, generally shows the system time and indoor humidity as display module also by LCD1602, so that
User can grasp ambient conditions in real time；When user's adjustment isoparametric to time or humidity threshold operation, then enter parameter and set
Put interface, user-friendly.
ATmega16L single-chip microcomputer is also reserved with certain pin resource with extension system, it is possible to multipoint acquisition humidity, is formed
Multiple spot humidity Automated condtrol regulates.
The comparison of humidity and output are that the upper lower threshold value of the humidity of respectively that current indoor is actual humidity and setting is made to compare
Relatively, according to result of the comparison, send control signal by the I/O mouth of corresponding single-chip microcomputer, run peripheral electric equipment.
According to the requirement to ambient humidity of the baby room, the humidity set scope of system default is 20-22 DEG C, user Ke Gen
According to practical situation, suitably adjusted by key-press module.
Devise a kind of infant room based on AVR single chip intelligent humidity control system herein, gather the reality of current indoor
Humidity, compares with the humidity threshold set, and when exceeding the humidity range of setting, can send control signal accordingly, humidifier, takes out
The action of blower fan, it is achieved being automatically adjusted of humidity, the living environment comfortable to ensure baby.System also sets up timing ventilation and changes
Gas, it is ensured that room air fresh.System hardware resources utilizes rationally, and extensibility is good.Programming clear thinking, simple,
Feasible.This system can also promote the humid control for occasions such as old man room, intensive care unit and laboratorys.Through practical test table
Bright: this system energy automatic humidification, to dehumidify and ventilate, thus adjust the humidity in infant room, it is achieved the optimum life of infant
Environment.
At least can reach following beneficial effect: overcome in prior art low to humid control precision in infant room,
If humidity is the lowest, the respiratory mucosa of baby will be dried and make mucosal defense function reduction, also can make the cilium of respiratory tract
Function is impaired, so certainly will reduce baby to antibacterial and the resistivity of virus, cause respiratory tract infection, the most existing
Technology is only taked to set certain single humidity value and is adjusted, and owing to humidity inductive needs a period of time thus causes humidity can not get
Regulate timely, and this programme employing carrys out conditioning chamber humidity, so that room humidity is located all the time by arranging humidity threshold
In comfortable scope, the wettest baby will not be caused damage owing to neglecting dry neglecting.Infant old people also can be produced by room abnormal flavour simultaneously
Raw harmful effect, adds ventilation function and makes ventilation have function of fixed place and time so that take a breath with degree simultaneously
It is adjusted, enhances the comfort level in room.
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 humidity and air exchange control system, it is characterised in that include power module, key-press module,
LCD1602 display module, single-chip microcomputer, output control circuit, humidity sensor, humidifier and air exhauster, described power module, press
Key module, LCD1602 display module, output control circuit, humidity sensor connect respectively at single-chip microcomputer, air conditioner, warming machine
It is connected with output control circuit respectively with air exhauster.
Baby old people room humidity the most according to claim 1 and air exchange control system, it is characterised in that described output control
Circuit processed specifically, the input of relay R L1 and relay R L2 input respectively with the output of driving chip ULN2003A
End pin connects, and the first connection end of the input of relay R L1 is connected end and connects with the first of relay R L2 input；Drive
The input of dynamic chip ULN2003A connects single-chip microcomputer.
Baby old people room humidity the most according to claim 2 and air exchange control system, it is characterised in that described output control
Circuit processed specifically, the input of relay R L1 and relay R L2 input respectively with the output of driving chip ULN2003A
End pin connects, and the input of driving chip ULN2003A connects single-chip microcomputer.
Baby old people room humidity the most according to claim 3 and air exchange control system, it is characterised in that described button mould
Block includes the button S3 of initialization system time button S2, the time of initialization system ventilation and duration, sets humidity upper threshold value
Button S4, set humidity lower threshold value button S5 and select set environment humidity upper lower threshold value S6.
Baby old people room humidity the most according to claim 4 and air exchange control system, it is characterised in that described button mould
Block is specifically, 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 is 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 with
The input pin PD0 of single-chip microcomputer connects；Switch S2 one end is connected with input pin PD0, and the other end is connected with earth terminal；Open
Closing S3 one end to be connected with input pin PD1, the other end is connected with earth terminal；Switch S4 one end is connected with input pin PD2,
The other end 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 mono-
End is connected with input pin PD4, and the other end is connected with earth terminal.
6. one kind based on the baby old people room humidity described in right 5 and the control method of air exchange control system, it is characterised in that
Comprise the following steps:
A. system initialization；
B. set up with humidity sensor and communicate；
C. obtain and show current humidity value；
D. by lower threshold value, ventilation time and duration and ambient humidity in button initialization system time, humidity；
E. 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, otherwise carries out step f；
F. judge whether indoor humidity declines the lower threshold value close to humidity, judge whether ventilation time or duration arrive simultaneously, if
Lower threshold value and ventilation time that indoor humidity declines close to humidity do not arrive, then close air exhauster, otherwise carry out step g；
G. 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,
Otherwise carry out step h；
H. judging whether humidity rises the upper threshold value close to humidity, if close to upper threshold value, closing humidifier, otherwise carrying out step
i；
I. judge whether to regulate without any parameter, being shown as system time indoor humidity if then updating, otherwise carrying out step j；
J. d-i is repeated.
Baby old people room humidity the most according to claim 6 and the control method of air exchange control system, it is characterised in that
In described step b, humidity sensor timing acquiring humidity, setting interval is 1 minute.
Baby old people room humidity the most according to claim 7 and the control method of air exchange control system, it is characterised in that
In described step e, during the ventilation of setting a length of 20 minutes.
Baby old people room humidity the most according to claim 7 and the control method of air exchange control system, it is characterised in that
Described step i is specifically, when described key-press module is not pressed beyond 30S, then update and be shown as system time indoor humidity.
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Cited By (1)
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| CN110748949A (en) * | 2019-10-16 | 2020-02-04 | 佛山市云米电器科技有限公司 | Control method and system of intelligent bathroom heater with automatic humidity adjustment function |
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Application publication date: 20161116 |