CN108491014A - A kind of pig house monitor control system and method - Google Patents
A kind of pig house monitor control system and method Download PDFInfo
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- CN108491014A CN108491014A CN201810491217.5A CN201810491217A CN108491014A CN 108491014 A CN108491014 A CN 108491014A CN 201810491217 A CN201810491217 A CN 201810491217A CN 108491014 A CN108491014 A CN 108491014A
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
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Abstract
The invention belongs to livestock-raising field more particularly to a kind of pig house monitor control system and method, including temperature sensor, humidity sensor, ammonia gas sensors, carbon dioxide sensor, air velocity transducer, microcontroller, audible-visual annunciator, spray equipment removes excrement device, wind turbine, industrial air-conditioner.Realize the automatic monitoring of environment, intelligent adjusting control in pig house.
Description
Technical field
The invention belongs to livestock-raising field more particularly to a kind of pig house monitor control system and methods.
Background technology
Pig house environment is an important factor for influencing live pig production, fattening, and wherein the temperature, humidity of pig house, carbon dioxide are dense
The concentration of degree, pernicious gas ammonia etc. is most important.
Pig will ensure stable core under different thermal environments as homeothermal animal by the heat exchange with ambient enviroment
Heart temperature.Pig house temperature is excessively high, and pig will lose the appetite, and cause heat stress, lead to the outburst of breathing problem and cause tail biting；
Under hot and humid environment, the reproductive performance of pregnant sow reduces, and especially still birth rate, weak young rate and mummy rate are significantly raised.
Pig house temperature is too low, and pig will be kept out the cold by feed and a large amount of activities, be wasted energy, be unfavorable for the growth of pig；And temperature
When spending low, the passive immunity level for the immunoglobulin (antibody) that piglet obtains from parent declines, and reduces surviving for piglet
Rate, and low temperature can become the inducement of the breathing problems such as flu.
Humidity influences the evaporative heat loss of pig, to influence the body heat regulation of pig.Humidity is high in pig house, the breeding speed of pathogen
Degree is accelerated, and the probability that swinery infects breathing problem increases.Humidity is low in pig house, is air-dried, and suspended particulate substance increases, stimulation
The respiratory tract of pig is unfavorable for the health of pig.
Pig by respiration inspiration oxygen, give off carbon dioxide, China's national standard《Scale piggery enviroment parameter and ring
Border manages》GB/T17824.3-2008 will be limited to 1300ppm on conservation pigsty, lactation pig house gas concentration lwevel, other ranks
Section pig house is set to 1500ppm.
Ammonia influences pig very big, is generally acknowledged stressor, can induce the generation of the various respiratory tract disease of pig, serious shadow
Ring the growth and breeding of pig.《Livestock and poultry farm environmental quality standards》The ammonia concentration of pig house is required to need to keep in NY/T 388-1999
In 25mg/m3 or less.
Therefore, the monitoring and control of pig house environment, it is most important to production, the growth of pig.
Application No. is 201520167071.0 Chinese patent, " a kind of pig house environment monitoring system " is disclosed, including preceding
Monitoring unit and rear end monitoring unit, real-time monitoring record pig house environment are held, but the technical solution cannot achieve pig house environment
Automatic adjustment.
Invention content
The automatic monitoring of environment, intelligence in pig house may be implemented in a kind of pig house monitor control system of present invention offer and method
Adjusting control can be changed.
A kind of pig house monitor control system, including temperature sensor, humidity sensor, ammonia gas sensor, carbon dioxide pass
Sensor, microcontroller, audible-visual annunciator, spray equipment remove excrement device, wind turbine, industrial air-conditioner.
Temperature sensor is set to the medium position in pig house, and 0.9 meter to 1.8 meters of the height from the ground in pig house is arranged
Place, monitors the air environment temperature in pig house, and temperature sensor connects microcontroller.
Not close to the place of surrounding metope in the medium position of pig house, generally pig house, it is more than 0.4 meter apart from metope distance
Pig house among position.Too close apart from metope, the data of Sensor monitoring are larger by external environment influence, are easy distortion.
Humidity sensor is set to the medium position in pig house, adjacent with temperature sensor to be close to, be arranged pig house from
At 0.9 meter to 1.8 meters of ground level, the air environment humidity in pig house is monitored, humidity sensor connects microcontroller.
Ammonia gas sensor, the top position being set in pig house monitor the ammonia concentration in air in pig house, pass through amplification
Device connects microcontroller.
Carbon dioxide sensor, the medium position being set in pig house are adjacent with temperature sensor, humidity sensor to suffer
It, is arranged at 0.9 meter to 1.8 meters of the height from the ground of pig house, monitors the carbon dioxide content in air, titanium dioxide in pig house
Carbon sensor connects microcontroller.
Further, pig house monitor control system further includes air velocity transducer, and air velocity transducer is set to middle part in pig house
Position is arranged at 0.9 meter to 1.8 meters of the height from the ground of pig house, monitors the flow velocity of wind in pig house, and air velocity transducer connection is single
Piece machine.
Audible-visual annunciator connects microcontroller, and microcontroller transmits a signal to audible-visual annunciator, is arranged in monitoring room, facilitates pipe
Reason personnel check.
Spray equipment, the top being arranged in pig house, including water pipe, atomizer, solenoid valve；Water pipe direction between pig house
Arrangement, atomizer are distributed on water pipe, and atomizer is directed at relaxing area between pig house, and the water in water pipe is in after atomizer
Mist sprays, and is sprayed at pig；It is provided with solenoid valve on water pipe, controls the switch of water pipe；Spray equipment is additionally provided with relay
Device, microcontroller connect relay, and the switch of the solenoid valve of spray equipment is controlled by relay.
Further, temperature sensor, humidity sensor, gas concentration lwevel sensor are arranged below water pipe, sensing
Device is hung by lifting rope, and sensor line is along lifting rope and water pipe cabling.
Except excrement device, including bright ditch, excrement formula swinery, V-type manure scraper plate, motor are removed；Pig dung, urine are drained to by removing excrement formula swinery
At bright ditch, motor driving V-shaped manure scraper plate clears up the stercoroma at bright ditch；Motor is additionally provided with relay, and microcontroller connects relay
Device controls motor operation by relay.
Further, motor is moved by Steel rope drive manure scraper plate.
Further, V-type manure scraper plate is made of 304 stainless steels.
Wind turbine is axial fan, is arranged at the top of pig house；Wind turbine is additionally provided with relay, and microcontroller connects relay
Device controls fan operation by relay.
The pernicious gases such as ammonia, density ratio air is small, assembles in pig house inner top position, wind turbine is arranged on the top of pig house
These pernicious gases can be quickly discharged in portion.Moreover, pig house top is in the top of pig farther out from pig, when wind flows through, it will not
Directly blown against pig.
Further, pig house is additionally provided with air filter, and the air inlet in pig house is arranged, and filtering enters in pig house
Air.
Still further, air filter, is filtered using non-woven fabrics, dust granules of the filtering more than 5 microns.
Using air filter filtering into the air of pig house, air environment clean in pig house can be safeguarded, reduce external
Viral transmission enters pig house.
Industrial air-conditioner is arranged using unitary air conditioner in pig house；Industrial air-conditioner is additionally provided with relay, single
Piece machine connects relay, and the switch that air conditioner is controlled by relay is run.
Further, pig house monitor control system, further includes serial line interface and PC machine, and microcontroller passes through serial line interface and PC
Machine communicates.
A kind of pig house monitoring and control method, including following procedure：
S1, Sensor monitoring signal, and digital signal is converted analog signals into, it is transferred to microcontroller；The sensor
Including temperature sensor, humidity sensor, ammonia gas sensor, carbon dioxide sensor；
S2, for microcontroller by comparing sensor parameters and setting value, the range beyond setting then triggers sound-light alarm；
S3, microcontroller control spray equipment by PID control program, remove excrement device, wind turbine, and industrial air-conditioner adjusts pig
Environment in house makes each sensor parameters be in the range of setting, and close to setting value.
Further, temperature is low in pig house, runaways, and microcontroller controls industrial air-conditioner by relay and opens
It opens, heating heat preservation is carried out to pig house.
Further, temperature is high in pig house, runaways, and microcontroller controls wind turbine by relay and opens, to pig
House is aerated cooling；Temperature is still excessively high in pig house, and microcontroller controls industrial air-conditioner by relay and opens, and is carried out to pig house
Refrigeration cool-down.
Further, air humidity is high in pig house or ammonia concentration is high or high for gas concentration lwevel, beyond control model
It encloses, microcontroller controls wind turbine by relay and opens, and ventilation is aerated to pig house.
Further, process S2, if there is range of any one sensor parameters beyond setting, audible-visual annunciator can be reported
It is alert.
Further, process S3, PID control program are made of proportional unit, integral unit and differentiation element.It inputs e
(t) relationship with output u (t) is：
Wherein kp is proportional gain (P), and TI is integration time constant (T), and TD is derivative time constant (D), and u (t) is control
Amount (output of control program) processed, e (t) is the deviation of controlled volume and setting value.
Each parameter of ratio, integral, differential is adjusted, and generally according to spray equipment, removes excrement device, wind turbine, industrial air-conditioner,
The scale and shape of pig house, depending on building structure of pig house etc..
Further, further include process S4 after process S3, process S4 is preconditioning approach, passes through temperature sensor
Rate temperature change in the pig house monitored, if the rate of temperature rise is more than 3 degrees Celsius/hour, microcontroller control starts
Wind turbine, it is aeration-cooling to pig house.
Further, further include process S5 after process S3, process S5 is the independent control method of spray equipment, according to
The time of setting manually controls, and opens spray equipment, and cooling of having a bath is sprayed to pig.
Further, further include process S6 after process S3, process S6 be except the independent control method of excrement device, according to
The time of setting manually controls, and starts and removes excrement device, is cleaned to pig house.
Further, pig house monitoring and control method further includes survival wind speed control method, the survival wind speed control method
For：Sensor in process S1 further includes air velocity transducer, monitors the wind speed in pig house, and convert analog signals into digital letter
Number, it is transferred to microcontroller；Process S2, microcontroller is by comparing air velocity transducer parameter and setting value, if wind speed is more than setting
Value, then the operation power of process S3 reductions wind turbine, ensures that the wind speed in pig house is no more than upper limit value.
Advantageous effect：
1, the present invention uses sensor, microcontroller, audible-visual annunciator, spray equipment, except excrement device, wind turbine, industrial air-conditioning
Machine forms monitor control system, is all modern intelligentized equipment, and system is stablized, and signal data precision is high, and control performance is strong.
2, spray equipment of the invention removes excrement device, wind turbine, industrial air-conditioner, these control executive device operability
Can be good, it is carried out automatically controlling by microcontroller, simple system, stabilization.
3, monitoring and control method of the present invention, using PID auto-adjustment controls, method is simple, stablizes, and applicability is good.
4, monitoring and control method of the present invention further includes the preconditioning of temperature in pig house, method intelligence.
5, monitoring and control method of the present invention further includes the safe restriction method of wind speed in pig house, protects environment in pig house
Stablize, safety is good.
6, monitoring and control method of the present invention, monitors pig house, intelligent adjusting control automatically, and the health for being conducive to pig is raw
Long, farrowing.
Description of the drawings
Fig. 1 is pig house monitor control system structural schematic diagram；
Fig. 2 is the schematic diagram that pig house monitor control system is combined with pig house；
Fig. 3 is pig house monitor control system spray equipment, sensing station schematic diagram；
Wherein, temperature sensor 10, humidity sensor 11, ammonia gas sensor 12, carbon dioxide sensor 13, spray equipment
4, water pipe 41, atomizer 42, solenoid valve 43, except excrement device 5, wind turbine 6, industrial air-conditioner 7.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of pig house monitor control system, including temperature sensor, humidity sensor, ammonia
Sensor, carbon dioxide sensor, microcontroller, audible-visual annunciator, spray equipment remove excrement device, wind turbine, industrial air-conditioner.
Microcontroller, using model STC89C52 single chip as system controller, STC89C52 is a kind of low-power consumption, height
Performance CMOS8 8-digit microcontrollers, there is 8K byte systems may be programmed flash storage, 512 byte RAM, and 32 I/O mouth lines are seen
Door dog timer, built-in 4KB EEPROM, MAX810 reset circuits, 3 16 bit timing devices/counters, 4 external interrupts, one
4 grades of interrupt structures of a 7 vector (5 vectorial 2 grades of interrupt structures of compatible tradition 51), full duplex serial port.
The monitoring of temperature, humidity, ammonia concentration, gas concentration lwevel etc. in pig house of the present invention is controlled without traditional industry
In so strong interference can be met completely using microcontroller to the requirement of the extra accuracy of data in also being controlled without traditional industry
System control requires, and the price of microcontroller is far below the price of PLC programmable controller.In future development demand,
Increasing with the scale of pig house, the demand of hog man is also more and more, compares in terms of programming, and microcontroller utilizes C languages
Speech writes program, advantageously.
Temperature sensor, using the temperature sensor of model DS18B20 as temperature element, DS18B20 has volume
The features such as small, strong antijamming capability, precision are high and cheap so that be normally used as temperature sensor extensively at present, survey
For warm range between -55 DEG C~+125 DEG C, temperature measurement error is ± 0.5 DEG C, and has the function of to support multiple child node automatic network-buildings
The features such as.
Temperature sensor is set to the medium position in pig house, and 0.9 meter to 1.8 meters of the height from the ground in pig house is arranged
Place, preferably 1.2 meters places include between pig house in pig house, between boar my humble abode, pregnant pig house, between childbirth pig house, incubation pig house
Between, be respectively arranged with temperature sensor between fattening house, monitor the air environment temperature in pig house, be distributed everywhere according in pig house
Temperature sensor, the mean temperature obtained in pig house can be integrated.
Different height and position, Temperature Distribution have differences in pig house, and sensor is obtained closer to the movable range of pig
Data are more accurate, and still, sensing station is too low, then have and stung bad risk by pig.0.3 meter or so of the height of piglet, Adult Pig
0.6 meter or so of height, according to the difference of the interior pig of each pig house, the height of each sensor can also be different, setting arrived at 0.9 meter
At 1.8 meters.But if the setting of the height of each sensor has big difference, introducing large error that can be artificial, each sensor is preferred
It is arranged at 1.2 meters, resultant effect is preferable.
Temperature sensor connects microcontroller, and RS-485 is selected to be communicated.RS-485 interfaces are by balance driver and difference
Receiver constructs, therefore anti-noise jamming is good, and the message transmission rate of RS-485 can reach 10Mbps, so choosing
It uses RS-485 interfaces as data transmission media, the environment in far distance controlled pig house can be met, and disclosure satisfy that user in pig
House sets up internal network.
Humidity sensor, using the digital hygro sensor of model DHT11, the operating voltage of DHT11 3.3~
Within the scope of 5.5V, humidity range is measured between 20%~90%RH, measurement humidity precision is ± 5%RH, can directly be exported
The digital signal calibrated, signal transmission distance have very high stability and reliability, anti-interference ability up to 20m or more
By force.Although DHT11 embedded temperature sensors, since its temperature measurement accuracy is not high, its temperature measurement function is not used.
Humidity sensor is set to the medium position in pig house, adjacent with temperature sensor to be close to, be arranged pig house from
At 0.9 meter to 1.8 meters of ground level, at preferably 1.2 meters, between boar my humble abode, pregnant pig house, between childbirth pig house, be bred as pig house
Between, be respectively arranged with humidity sensor between fattening house, monitor the air environment humidity in pig house, be distributed everywhere according in pig house
Humidity sensor, the medial humidity obtained in pig house can be integrated.
Humidity sensor connects microcontroller, is communicated by RS-485.
Ammonia gas sensor, using model 4NH3- 100 ammonia electrochemical sensor, 4NH3- 100 monitoring range 0 arrives
100ppm, resolution ratio are less than 0.5ppm, bias 0mV, sensitive monitoring, strong antijamming capability.
It since analog output is smaller, needs to connect digital amplifier, selects hundred times of the PGA204 of TI companies production here
Amplifier is realized and is communicated with the channels A/D included inside microcontroller.
The density ratio air of ammonia is small, assembles in pig house inner top position, concentration highest, ammonia gas sensor is set to pig house
Interior top position can monitor the maximum concentration of ammonia in pig house.
Carbon dioxide sensor, using model ST-CO2Carbon dioxide sensor, the sensor be utilize on-dispersive
Infrared (NDIR) principle detects carbon dioxide present in air, has good selectivity, no oxygen dependence, water resistant
The features such as vapour interferes, and service life is long.
Carbon dioxide sensor, the medium position being set in pig house are adjacent with temperature sensor, humidity sensor to suffer
It, is arranged at 0.9 meter to 1.8 meters of the height from the ground of pig house, at preferably 1.2 meters, monitor the titanium dioxide in air in pig house
Carbon content.
Carbon dioxide sensor connects microcontroller, is communicated by RS-485.
Audible-visual annunciator, connects microcontroller, and microcontroller transmits a signal to audible-visual annunciator, controls the report of audible-visual annunciator
It is alert.Audible-visual annunciator, setting in the place that staff easily sees and easily hears, facilitate personnel to check in monitoring room, so as to and
When remove a hidden danger.
Spray equipment, the top being arranged in pig house, including water pipe, atomizer, solenoid valve；Wherein, water pipe is arranged in
The top of the interior relaxing area of pig house, water pipe are equipped with atomizer.It is provided with solenoid valve on water pipe, controls the switch of water pipe,
Spray equipment is additionally provided with relay, and using the relay of model HT4100F, microcontroller connects relay, passes through relay
Control the switch of the solenoid valve of spray equipment.
Relay normally open contact connect solenoid valve, when microcontroller control output high level, relay coil obtain it is electric, it is normally opened touch
Point is closed, and solenoid valve is opened；When microcontroller controls output low level, relay coil dead electricity, normally opened contact disconnects, solenoid valve
It is closed.
Except excrement device, including bright ditch, excrement formula swinery, V-type manure scraper plate, motor are removed；Pig dung, urine are drained to by removing excrement formula swinery
At bright ditch, motor driving V-shaped manure scraper plate clears up the stercoroma at bright ditch.Motor is additionally provided with relay, using model
The relay of HT4100F, microcontroller connect relay, motor operation are controlled by relay.
Wind turbine is axial fan, is arranged at the top of pig house.Wind turbine is additionally provided with relay, using model
The relay of HT4100F, microcontroller connect relay, fan operation are controlled by relay.
The pernicious gases such as ammonia, density ratio air is small, assembles in pig house inner top position, wind turbine is arranged on the top of pig house
These pernicious gases can be quickly discharged in portion.Moreover, pig house top is in the top of pig farther out from pig, when wind flows through, it will not
Directly blown against pig.
Industrial air-conditioning is arranged using unitary air conditioner in pig house.Industrial air-conditioning is additionally provided with relay, using type
Number be HT4100F relay, microcontroller connect relay, pass through relay control air conditioner switch operation.
Embodiment 2
On the basis of embodiment 1, the present embodiment is further illustrated technical solution.
Pig house monitor control system further includes air velocity transducer, using three glasss of air velocity transducers of model TR-FS02, is surveyed
Wind speed range 0-70m/s, resolution ratio 0.1m/s are measured, which has the characteristics that measurement range is wide, precision is high, high sensitivity,
It is RS-485 signals that it, which is exported, and anti lightning interference performance is strong, the operation is stable.
Air velocity transducer is set to medium position in pig house, and at passageway, 0.9 meter of the height from the ground being arranged in pig house arrives
At 1.8 meters, at preferably 1.2 meters, the flow velocity of wind in pig house is monitored.
Air velocity transducer connects microcontroller, is communicated by RS-485.
In pig house at passageway, the sectional area in channel is small, and the flow velocity of wind is big, the stream of the wind of air velocity transducer monitoring herein
Speed, representative, the flow velocity of the interior wind of pig house is less than the flow velocity of wind herein.
The temperature sensor of pig house monitor control system, humidity sensor, gas concentration lwevel sensor are arranged in water pipe
Lower section, sensor are hung by lifting rope, and sensor line is along lifting rope and water pipe cabling.
Sensor is placed and is fixed using existing equipments such as water pipes, and cost is saved.
Pig house monitor control system removes excrement device, and motor is moved by Steel rope drive manure scraper plate；V-type manure scraper plate uses
304 stainless steels make.
Steel wire rope is secured, durable.Stainless steel is corrosion-resistant, and service life is long.
Pig house is additionally provided with air filter, and the air inlet in pig house is arranged, and filtering enters the air in pig house.It is empty
Air filter is filtered using non-woven fabrics, dust granules of the filtering more than 5 microns.
Using air filter filtering into the air of pig house, air environment clean in pig house can be safeguarded, reduce external
Viral transmission enters pig house.
Pig house monitor control system, further includes serial line interface and PC machine, and microcontroller is communicated by serial line interface and PC machine.
Embodiment 3
A kind of pig house monitoring and control method, including following procedure：
S1, Sensor monitoring signal, and digital signal is converted analog signals into, it is transferred to microcontroller；The sensor
Including temperature sensor, humidity sensor, ammonia gas sensor, carbon dioxide sensor；
S2, for microcontroller by comparing sensor parameters and setting value, the range beyond setting then triggers sound-light alarm；
S3, microcontroller control spray equipment by PID control program, remove excrement device, wind turbine, and industrial air-conditioner adjusts pig
Environment in house makes each sensor parameters be in the range of setting, and close to setting value.
PID control program is made of proportional unit, integral unit and differentiation element.It inputs the pass of e (t) and output u (t)
System is：
Wherein kp is proportional gain (P), and TI is integration time constant (T), and TD is derivative time constant (D), and u (t) is control
Amount (output of control program) processed, e (t) is the deviation of controlled volume and setting value.
Each parameter of ratio, integral, differential is adjusted, and generally according to spray equipment, removes excrement device, wind turbine, industrial air-conditioner,
The scale and shape of pig house, depending on building structure of pig house etc..Each parameter of the present embodiment is ranging from：P=18-46%, T=
300-800s (second), D=20-220s (second).
Embodiment 4
On the basis of embodiment 3, the process of pig house monitoring and control method is expanded on further in the present embodiment.
Process S2, if there is range of any one sensor parameters beyond setting, audible-visual annunciator can alarm.
Temperature is low in pig house, runaways, microcontroller by relay control industrial air-conditioner open, to pig house into
Row heating heat preservation；Temperature is high in pig house, runaways, and microcontroller controls wind turbine by relay and opens, and is carried out to pig house
It is aeration-cooling；Temperature is still excessively high in pig house, and microcontroller controls industrial air-conditioner by relay and opens, and refrigeration drop is carried out to pig house
Temperature.
Air humidity is high in pig house or ammonia concentration is high or high for gas concentration lwevel, runaways, microcontroller
Wind turbine is controlled by relay to open, and ventilation is aerated to pig house.
Pig house inner-environment index range, generally：Temperature in pig house is maintained at 16~28 DEG C；Humidity is maintained at 45~
70%；Ammonia concentration is maintained at no more than 10ppm；Gas concentration lwevel is maintained at no more than 1000ppm.
Embodiment 5
On the basis of embodiment 4, the technical solution of pig house monitoring and control method is expanded on further in the present embodiment.
Further include process S4 after process S3, process S4 is preconditioning approach, the pig arrived by temperature sensor monitors
Rate temperature change in house, if the rate of temperature rise is more than 3 degrees Celsius/hour, microcontroller control starts wind turbine, gives pig house
It is aeration-cooling.
In the morning in summer, with the raising of the sun, quickly, temperature in pig house also rapid increase passes through temperature rise
Pre-adjusted method, energy pre-cooling blower ventilation cooling, makes pig house keep suitable temperature environment.
Further include process S5, process S5 is the independent control method of spray equipment, according to the time of setting after process S3
Or manually control, spray equipment is opened, cooling of having a bath is sprayed to pig.
When noon in summer, spray equipment is opened, sprays and has a bath to pig, the sanitation and hygiene with pig can be kept, drop
The shell temperature of low pig promotes the comfort of pig, can also be cleaned between pig manure, the pig urine etc. in pig house, convenient to remove excrement
Cleaning of the device to pig house.
Further include process S6 after process S3, process S6 is except the independent control method of excrement device, according to the time of setting
Or manually control, start and remove excrement device, pig house is cleaned.
Pig manure, pig urine etc. are the largest sources of ammonia in pig house, and the residence time is longer, and the growth and health to pig are more not
Profit needs to clear up in time by removing excrement device.
Pig house monitoring and control method further includes survival wind speed control method, and the survival wind speed control method is：Process S1
In sensor further include air velocity transducer, monitor the wind speed in pig house, and convert analog signals into digital signal, be transferred to
Microcontroller；Process S2, microcontroller is by comparing air velocity transducer parameter and setting value, if wind speed is more than the value of setting, process
S3 reduces the operation power of wind turbine, ensures that the wind speed in pig house is no more than upper limit value.The upper wind velocity limit value is set as 1.6m/s.
Wind speed is excessively high in pig house, when wind speed is more than 1.6m/s (2 grades of wind-force), can cause the disturbance of environment in entire pig house,
Into harmful wind between each pig house, the pernicious gas in manure pit can also be sucked in, it is unfavorable to the growth and health of pig.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of pig house monitor control system, which is characterized in that including temperature sensor, humidity sensor, ammonia gas sensor, two
Aoxidize carbon sensor, microcontroller, audible-visual annunciator, spray equipment, except excrement device, wind turbine, industrial air-conditioner；
The temperature sensor is set to the medium position in pig house, and 0.9 meter to 1.8 meters of the height from the ground in pig house is arranged
Place, monitors the air environment temperature in pig house, and temperature sensor connects microcontroller；
The humidity sensor is set to the medium position in pig house, adjacent with temperature sensor to be close to, be arranged pig house from
At 0.9 meter to 1.8 meters of ground level, the air environment humidity in pig house is monitored, humidity sensor connects microcontroller；
The ammonia gas sensor, the top position being set in pig house monitor the ammonia concentration in air in pig house, pass through amplification
Device connects microcontroller；
The carbon dioxide sensor, the medium position being set in pig house are adjacent with temperature sensor, humidity sensor to suffer
It, is arranged at 0.9 meter to 1.8 meters of the height from the ground of pig house, monitors the carbon dioxide content in air, titanium dioxide in pig house
Carbon sensor connects microcontroller；
The audible-visual annunciator, connects microcontroller, and microcontroller transmits a signal to audible-visual annunciator；
The spray equipment, the top being arranged in pig house, including water pipe, atomizer, solenoid valve；Wherein, water pipe is arranged in
The top of the interior relaxing area of pig house, water pipe are equipped with atomizer；It is provided with solenoid valve on water pipe, controls the switch of water pipe；
Spray equipment is additionally provided with relay, and microcontroller connects relay, and the switch of the solenoid valve of spray equipment is controlled by relay；
It is described to remove excrement device, including bright ditch, remove excrement formula swinery, V-type manure scraper plate, motor；Pig dung, urine are drained to by removing excrement formula swinery
At bright ditch, motor driving V-shaped manure scraper plate clears up the stercoroma at bright ditch；Motor is additionally provided with relay, and microcontroller connects relay
Device controls motor operation by relay；
The wind turbine is axial fan, is arranged at the top of pig house；Wind turbine is additionally provided with relay, and microcontroller connects relay
Device controls fan operation by relay.
The industrial air-conditioner is arranged using unitary air conditioner in pig house；Industrial air-conditioner is additionally provided with relay, single
Piece machine connects relay, and the switch that air conditioner is controlled by relay is run.
2. pig house monitor control system according to claim 1, which is characterized in that further include air velocity transducer, the wind
Fast sensor is set to medium position in pig house, is arranged at 0.9 meter to 1.8 meters of the height from the ground of pig house, monitors in pig house
The flow velocity of wind, air velocity transducer connect microcontroller.
3. pig house monitor control system according to claim 1, which is characterized in that be additionally provided with air filter, be arranged
In the air inlet of pig house, filtering enters the air in pig house；The air filter, is filtered using non-woven fabrics, and filtering is big
In 5 microns of dust granules；The temperature sensor, humidity sensor and gas concentration lwevel sensor are suspended on by lifting rope
Below water pipe, sensor line is along lifting rope and water pipe cabling；The motor except excrement device passes through Steel rope drive manure scraper plate
Movement；The V-type manure scraper plate except excrement device is made of 304 stainless steels.
4. pig house monitor control system according to any one of claims 1 to 3, which is characterized in that further include serial line interface
And PC machine, microcontroller are communicated by serial line interface and PC machine.
5. a kind of pig house monitoring and control method, which is characterized in that including following procedure：
S1, Sensor monitoring signal, and digital signal is converted analog signals into, it is transferred to microcontroller；The sensor includes
Temperature sensor, humidity sensor, ammonia gas sensor, carbon dioxide sensor；
S2, for microcontroller by comparing sensor parameters and setting value, the range beyond setting then triggers sound-light alarm；
S3, microcontroller control spray equipment by PID control program, remove excrement device, wind turbine, and industrial air-conditioner is adjusted in pig house
Environment, so that each sensor parameters is in the range of setting, and close to setting value.
6. pig house monitoring and control method according to claim 5, which is characterized in that the process S2, if there is any one to pass
Sensor parameter can alarm beyond the range set, then audible-visual annunciator.
7. pig house monitoring and control method according to claim 5, which is characterized in that the process S3, PID control program by
Proportional unit, integral unit and differentiation element composition.It inputs e (t) and the relationship of output u (t) is：
Wherein kp is proportional gain, and TI is integration time constant, and TD is derivative time constant, and u (t) is measured in order to control, and e (t) is quilt
The deviation of control amount and setting value.
8. pig house monitoring and control method according to claim 5, which is characterized in that further include process after process S3
S4, process S4 are preconditioning approach, rate temperature change in the pig house arrived by temperature sensor monitors, if the speed of temperature rise
Rate is more than 3 degrees Celsius/hour, then microcontroller control starts wind turbine, aeration-cooling to pig house.
9. pig house monitoring and control method according to claim 5, which is characterized in that further include process after process S3
S5 and/or process S6；Process S5 is the independent control method of spray equipment, according to the time of setting or is manually controlled, and spray is opened
Device sprays cooling of having a bath to pig；Process S6 is according to the time of setting or to be manually controlled except the independent control method of excrement device,
Start and remove excrement device, pig house is cleaned.
10. according to claim 5 to 9 any one of them pig house monitoring and control method, which is characterized in that further include survival wind speed
Control method, the survival wind speed control method are：Sensor in process S1 further includes air velocity transducer, is monitored in pig house
Wind speed, and digital signal is converted analog signals into, it is transferred to microcontroller；Process S2, microcontroller is by comparing air velocity transducer
Parameter and setting value, if wind speed is more than the value of setting, process S3 reduces the operation power of wind turbine, and the wind speed in guarantee pig house is not
More than upper limit value.
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| CN113016625A (en) * | 2021-03-02 | 2021-06-25 | 黑龙江省农业科学院畜牧兽医分院 | Northern cold region pigsty environment control system and use method thereof |
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| CN113589872A (en) * | 2021-08-02 | 2021-11-02 | 河南牧原智能科技有限公司 | Pigsty temperature and humidity control method, device and system and storage medium |
| CN115373452A (en) * | 2022-10-24 | 2022-11-22 | 宏景科技股份有限公司 | Automatic control method and system based on poultry somatosensory temperature measurement and calculation |
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