CN112650334A - Environment control method, device, equipment and system for farm - Google Patents
Environment control method, device, equipment and system for farm Download PDFInfo
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- CN112650334A CN112650334A CN202011498699.0A CN202011498699A CN112650334A CN 112650334 A CN112650334 A CN 112650334A CN 202011498699 A CN202011498699 A CN 202011498699A CN 112650334 A CN112650334 A CN 112650334A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- 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
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The invention relates to the technical field of farm environment control, in particular to a farm environment control method, a farm environment control device, a farm environment control equipment and a farm environment control system, wherein the method comprises the steps of obtaining current environment parameters collected by environment sensing equipment; judging whether the current environmental parameters are matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals or not; and if the current environmental parameters are not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals, adjusting the running state of the environmental processing equipment to enable the current environmental parameters to be matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals. By adopting the technical scheme, the current environmental parameters can be adjusted according to the current growth stage of the cultured animals so as to optimize the current environmental state, provide a suitable environment for the cultured animals, ensure the healthy growth of the cultured animals and realize the purpose of automatic culture.
Description
Technical Field
The invention relates to the technical field of farm environment control, in particular to a farm environment control method, device, equipment and system.
Background
At present, domestic farms are increasingly mechanized. However, most of the farms have only the functions of automatic feeding and water supply, automatic manure cleaning and the like, and the breeding environment in the farms cannot be well and automatically controlled.
For example, many mechanically raised chicken farms are now available. However, the chickens are animals sensitive to temperature and humidity, and in intensive chicken farms, when high-temperature seasons in summer occur, the temperature in the chicken farms is very high, and the chickens are easy to suffer from heatstroke; the domestic air conditioner is also installed in the chicken farm, but the domestic air conditioner can cause the temperature mutation in the chicken farm, so that the chicken is easy to catch a cold; in an intensive chicken farm, at least 20 chickens are usually in one coop, the carbon dioxide concentration rises quickly, and the chickens are easy to suffocate; the growth cycle of the chickens is about 58 days generally, the breeding proper temperature, humidity and the like in each stage are different from the young chickens to the adult chickens, and if the temperature and the humidity are kept the same all the time, the growth efficiency of the chickens is influenced.
Therefore, the current mechanized farms cannot provide a suitable environment for the farmed animals, which affects the normal growth of the farmed animals.
Disclosure of Invention
In view of the above, the present invention provides an environmental control method, device, equipment and system for a farm, so as to overcome the problem that the conventional mechanized farm cannot provide a suitable environment for the farm animals, which affects the normal growth of the farm animals.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the invention provides an environment control method for a farm, which is applied to an environment control system of the farm, wherein the environment control system comprises an environment sensing device and an environment processing device;
the method comprises the following steps:
acquiring current environmental parameters acquired by the environmental sensing equipment;
judging whether the current environmental parameters are matched with standard environmental parameter ranges corresponding to the current growth stage of the cultured animals or not;
and if the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animal, adjusting the running state of the environmental processing equipment to enable the current environmental parameter to be matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animal.
Further, in the method for controlling the environment of the farm, the environment sensing device includes a temperature sensor;
the current environmental parameters comprise current temperature parameters acquired by the temperature sensor, and the standard environmental parameters comprise heating starting temperature and target temperature;
the judging whether the current environmental parameter is matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals comprises the following steps:
and if the current temperature parameter is less than or equal to the heating starting temperature corresponding to the current growth stage of the cultured animals, or the current temperature parameter is greater than or equal to the target temperature corresponding to the current growth stage of the cultured animals, the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals.
Further, in the method for controlling the environment of the farm, the environment treatment equipment comprises a combined air treatment unit;
the standard environmental parameter comprises a heating stop temperature;
the adjusting the operating state of the environmental processing equipment comprises:
if the current temperature parameter is less than or equal to the heating starting temperature corresponding to the current growth stage of the cultured animals, controlling the combined air treatment unit to carry out heating treatment until the current environment temperature reaches the heating stopping temperature corresponding to the current growth stage of the cultured animals;
and if the current temperature parameter is greater than or equal to the target temperature corresponding to the current growth stage of the cultured animals, controlling the combined air treatment unit to carry out refrigeration treatment.
Further, according to the above method for controlling the environment of the farm, if the current growth stage of the farm animals belongs to a preset early growth stage, the heating stop temperature is equal to the target temperature;
if the current growth stage of the cultured animals belongs to a preset later growth stage, the heating stop temperature is lower than the target temperature;
wherein the pre-growth phase comprises a preparation period before the farmed animals enter the farm.
Further, in the above method for controlling the environment of the farm, the combined air treatment unit comprises a wet film cooler and an evaporator;
the control of the combined air treatment unit for refrigeration treatment comprises the following steps:
and controlling the wet film cooler and/or the evaporator to perform refrigeration treatment.
Further, the method for controlling the environment of the farm described above further includes: determining a target temperature for the farmed animals at each growth stage; wherein the target temperature is reduced according to a preset rule as the farmed animals grow.
Further, in the method for controlling the environment of the farm, the environment sensing device includes a humidity sensor;
the current environmental parameters comprise current humidity parameters acquired by the humidity sensor, and the standard environmental parameters comprise a humidity parameter range;
the judging whether the current environmental parameter is matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals comprises the following steps:
if the current humidity parameter is larger than the upper limit value of the humidity parameter range corresponding to the current growth stage of the cultured animals, or the current humidity parameter is smaller than the lower limit value of the humidity parameter range corresponding to the current growth stage of the cultured animals, it indicates that the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals;
correspondingly, the adjusting the operating state of the environment processing device includes:
and adjusting the combined air treatment unit so that the current humidity parameter is in a humidity parameter range corresponding to the current growth stage of the cultured animals.
Further, according to the environment control method for the farm, the environment control system further comprises an exhaust fan, the combined air treatment unit comprises a fresh air valve, an air return valve and a ventilation pipeline, the ventilation pipeline where the fresh air valve is located is communicated with the mixer and the outside of the farm, and the ventilation pipeline where the air return valve is located is communicated with the mixer and the inside of the farm;
the environment sensing device comprises a gas concentration parameter sensor;
the current environmental parameters comprise current gas concentration parameters acquired by the gas concentration parameter sensor, and the standard environmental parameters comprise standard gas concentration parameters;
the judging whether the current environmental parameter is matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals comprises the following steps:
if the current gas concentration parameter is larger than the standard gas concentration parameter corresponding to the current growth stage of the cultured animals, the current environment parameter is not matched with the standard environment parameter range corresponding to the current growth stage of the cultured animals;
correspondingly, the adjusting the operating state of the environment processing device includes:
and adjusting the on-off ratio of the fresh air valve and the return air valve, and/or adjusting the exhaust fan to accelerate the ventilation of the farm, so that the current gas concentration parameter is smaller than the standard gas concentration parameter.
In another aspect, the present invention provides an environmental control apparatus for a farm, including:
the acquisition module is used for acquiring the current environmental parameters acquired by the environmental sensing equipment;
the judging module is used for judging whether the current environmental parameters are matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals;
and the adjusting module is used for adjusting the running state of the environment processing equipment if the current environment parameter is not matched with the standard environment parameter range corresponding to the current growth stage of the cultured animal, so that the current environment parameter is matched with the standard environment parameter range corresponding to the current growth stage of the cultured animal.
In another aspect, the present invention further provides an environment control apparatus for a farm, including a processor and a memory, where the processor is connected to the memory:
the processor is used for calling and executing the program stored in the memory;
the memory is configured to store the program for executing at least the method for controlling an environment of a farm according to any one of the above.
On the other hand, the invention also provides an environment control system of the farm, which comprises an environment sensing device, an environment processing device and the environment control device of the farm;
and the environment control equipment of the farm is simultaneously connected with the environment sensing equipment and the environment processing equipment.
Further, the environmental control system of a farm described above, the environmental control apparatus comprising a combined air handling unit;
the combined air treatment unit comprises a mixer, a coarse filter, a wet film cooler, an evaporator and an air feeder which are arranged in sequence, and the combined air treatment unit also comprises an air supply pipeline;
a fresh air valve and an air return valve are arranged at the mixer, a ventilation pipeline where the fresh air valve is located is communicated with the mixer and the outside of the farm, and a ventilation pipeline where the air return valve is located is communicated with the mixer and the inside of the farm;
and the environment control equipment of the farm is simultaneously connected with the fresh air valve, the return air valve, the evaporator and the air feeder.
Further, in the environmental control system for a farm, an overhaul channel is arranged at the coarse filter.
Further, in the above farm environment control system, the environment control device includes an exhaust fan;
and the environment control equipment of the farm is connected with the exhaust fan.
Further, in the environmental control system for a farm described above, the environment sensing device includes a temperature sensor, a humidity sensor, and an air concentration sensor.
Further, in the environmental control system for a farm described above, the air concentration sensor includes a carbon dioxide sensor.
The invention discloses a method, a device, equipment and a system for controlling the environment of a farm, wherein the method comprises the steps of obtaining current environment parameters collected by environment sensing equipment; judging whether the current environmental parameters are matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals or not; and if the current environmental parameters are not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals, adjusting the running state of the environmental processing equipment to enable the current environmental parameters to be matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals. By adopting the technical scheme, the current environmental parameters can be adjusted according to the current growth stage of the cultured animals so as to optimize the current environmental state, provide a suitable environment for the cultured animals, ensure the healthy growth of the cultured animals and realize the purpose of automatic culture.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an environmental control system of a farm according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a modular air handling unit according to one embodiment of the present invention;
FIG. 3 is a flowchart of an environmental control method for a farm according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an environmental control apparatus for a farm according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an environment control apparatus of a farm according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Fig. 1 is a schematic structural diagram of an environmental control system of a farm according to an embodiment of the present invention.
As shown in fig. 1, the environment control system of a farm of the present embodiment includes an environment sensing device 11, an environment processing device 13, and an environment control device 12 of the farm. The environment control equipment 12 of the farm is simultaneously connected with the environment sensing equipment 11 and the environment processing equipment 13, so that information interaction between the environment control equipment 12 of the farm and the environment sensing equipment 11 and the environment processing equipment 13 is realized.
Optionally, in the environmental control system for a farm of the present embodiment, the environmental treatment equipment 13 includes a combined air treatment unit 132.
Fig. 2 is a schematic structural diagram of a combined air handling unit according to an embodiment of the present invention.
As shown in fig. 1 and fig. 2, the combined air handling unit 132 of the present embodiment includes a mixer 1321, a coarse filter 1322, a wet-film cooler 1323, an evaporator 1324, and a blower 1325, which are sequentially disposed, and the combined air handling unit 132 further includes an air duct 1326. A fresh air valve 1327 and a return air valve 1328 are provided at the mixer 1321. The environmental control equipment 12 of the farm is simultaneously connected with the fresh air valve 1327, the return air valve 1328, the evaporator 1324 and the air blower 1325, so that information interaction between the environmental control equipment 12 of the farm and the fresh air valve 1327, the return air valve 1328, the evaporator 1324 and the air blower 1325 is realized.
Optionally, the mixer 1321 is disposed in a mixing section, which is a first functional section of the combined air handling unit 132 for mixing fresh air and return air in different proportions. Specifically, the ventilation pipeline that new trend valve 1327 belonged to communicates blender 1321 with the plant outside, and the ventilation pipeline that return air valve 1328 belonged to communicates blender 1321 and plant inside, and blender 1321 can mix the outside new trend that gets into through new trend valve 1327 and the plant return air that gets into through return air valve 1328, obtains the mixed wind, and the direction that the arrow indicates in fig. 1 and 2 is the flow direction of wind. The fresh air valve 1327 and the return air valve 1328 can adopt proportional air valves, and the opening degrees of the fresh air valve 1327 and the return air valve 1328 are controlled through the environment control equipment 12 of the farm, so that the return air inlet amount and the fresh air inlet amount are controlled. Wherein, the air inlet channel of return air is arranged for recovering heat or cold in the farm and achieving the purpose of saving energy. The air inlet channel for setting up the new trend is in order to improve the air quality in plant. The opening degree of the fresh air valve 1327 and the return air valve 1328 can be controlled according to the actual situation in the farm.
For example, if the air quality in the farm is high, the opening of the return air valve 1328 can be increased, and the concentration of the fresh air valve 1327 can be decreased to save energy; if the air quality in the farm is low, the opening of the return air valve 1328 can be reduced, and the concentration of the fresh air valve 1327 can be increased, so that the air quality in the farm can be improved.
Optionally, the coarse filter 1322 is disposed in the coarse filter section, and the coarse filter 1322 may be an air filter to filter impurities such as dust and chicken feather in the mixed air.
In a particular real-time mode, the coarse filter 1322 can filter out more than 99% of inhalable particles with diameters larger than 0.5 μm in the mixed air, and the filtering grade can reach G4 grade.
Optionally, the coarse filter segment is further provided with an access passage through which a worker can enter the combined air handling unit 132 for inspection to repair or replace the coarse filter 1322.
Optionally, a wet film cooler 1323 is disposed in the wet film cooling section. The wet film cooling section is the first level cold source of combination formula air treatment unit 132, requires when the refrigerating capacity is not too high at the plant, can only open wet film cooler 1323, and the moisture on the wet film is taken away through the wet film to the mixed wind, reaches the effect of air humidifying, and the heat in the mixed wind also can be taken away to moisture, reaches the effect of cooling.
Optionally, an evaporator 1324 is provided in the cold coil section. The evaporator 1324 is in the form of a coil, and can realize large-cold-quantity refrigeration and large-heat-quantity heating. When the temperature in the farm is required to be kept low, but the wet film cooling section fails to achieve the required cooling capacity, the farm's environmental control equipment 12 may turn on the evaporator 1324 to cool. When the farm requires a temperature higher than the outdoor temperature, especially in winter conditions, the farm's environmental control equipment 12 may turn on the evaporator 1324 to heat.
Optionally, a blower 1325 is provided in the blowing section. The air supply section is a power section of the combined air handling unit 132, and the air blower 1325 of the embodiment is a stepless regulation air blower, which can realize stepless regulation and large-range air volume regulation to meet the requirements of the cultured animals on air volume at different growth stages.
Optionally, in the environment control system for a farm of this embodiment, the environment processing device 13 further includes an exhaust fan 131, and the exhaust fan 131 is connected to the environment control device 12 of the farm. The exhaust fan 131 can exhaust the air in the farm to the outside of the farm to reduce the concentration of harmful gas in the farm and improve the air quality in the farm.
Optionally, in the environment control system of the farm of the present embodiment, the environment sensing device 11 includes a temperature sensor 111, a humidity sensor 112, and an air concentration sensor 113. The air concentration sensor 113 may include a carbon dioxide sensor concentration sensor. An oxygen concentration sensor, a carbon monoxide concentration sensor, an ammonia concentration sensor, a smoke sensor, and the like may also be provided as the air concentration sensor 113, which is not limited in this embodiment.
The temperature sensor 111, the humidity sensor 112, and the air concentration sensor 113 may be disposed inside the farm, and the specific locations thereof may be determined according to actual situations, which is not limited in this embodiment. A plurality of temperature sensors 111, a plurality of humidity sensors 112, and a plurality of air concentration sensors 113 may be further provided, the average value of the temperatures acquired by the plurality of temperature sensors 111 is used as the current temperature parameter, the average value of the humidities acquired by the plurality of humidity sensors 112 is used as the current humidity parameter, and the average value of the carbon dioxide concentrations acquired by the plurality of air concentration sensors 113 is used as the current carbon dioxide concentration parameter.
The sensors transmit the collected current temperature parameters, current humidity parameters and current carbon dioxide concentration parameters to the environmental control equipment 12 of the farm at each point, and the environmental control equipment 12 of the farm adjusts the opening state of the combined air handling unit 132 and the exhaust fan 131 according to the data information fed back by the sensors, so that the current environmental state is optimized, a suitable environment is provided for the cultured animals, the healthy growth of the cultured animals is ensured, and the purpose of automatic culture is realized.
Based on a general inventive concept, the invention also provides an environment control method for the farm. The method for controlling the environment of the farm according to the present embodiment is applied to the environment control device of the farm according to any one of the above embodiments.
Fig. 3 is a flowchart of an environment control method for a farm according to an embodiment of the present invention.
As shown in fig. 3, the method for controlling the environment of the farm according to the present embodiment may include the following steps:
and S21, acquiring the current environmental parameters acquired by the environmental sensing equipment.
Optionally, the current environmental parameter includes a current temperature parameter acquired by the temperature sensor, a current humidity parameter acquired by the humidity sensor, and a current gas concentration parameter acquired by the gas concentration parameter sensor.
Optionally, the current gas concentration parameter includes a current carbon dioxide concentration parameter. The current gas concentration parameter may further include a current oxygen concentration parameter acquired by an oxygen concentration sensor, a current carbon monoxide concentration parameter acquired by a carbon monoxide concentration sensor, a current ammonia concentration parameter acquired by an ammonia concentration sensor, a current inhalable dust concentration parameter acquired by a smoke sensor, and the like, which is not limited in this embodiment.
In this embodiment, the current temperature parameter, the current humidity parameter, and the current gas concentration parameter may be obtained.
And S22, judging whether the current environmental parameters are matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals.
Optionally, the standard environmental parameters include a heating start temperature and a target temperature, and different heating start temperatures and target temperatures are required for different growth stages of the cultured animals. The current ambient temperature may be determined according to the following steps:
and if the current temperature parameter is less than or equal to the heating starting temperature corresponding to the current growth stage of the cultured animals, or the current temperature parameter is greater than or equal to the target temperature corresponding to the current growth stage of the cultured animals, the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals.
For example, if the farmed animals are farmed chickens and the current growth stage of the farmed chickens is 5 days old, if the current temperature parameter is less than or equal to the heating starting temperature when the farmed chickens are 5 days old, or if the current temperature parameter is greater than or equal to the target temperature when the farmed chickens are 5 days old, it indicates that the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the farmed animals.
Optionally, the standard environmental parameters include humidity parameter ranges, and different humidity parameter ranges are required for different growth stages of the farmed animals. The current ambient humidity may be determined according to the following steps:
and if the current humidity parameter is larger than the upper limit value of the humidity parameter range corresponding to the current growth stage of the cultured animals, or the current humidity parameter is smaller than the lower limit value of the humidity parameter range corresponding to the current growth stage of the cultured animals, the current environment parameter is not matched with the standard environment parameter range corresponding to the current growth stage of the cultured animals.
For example, if the farmed animals are farmed chickens and the current growth stage of the farmed chickens is 5 days old, if the current humidity parameter is smaller than the lower limit value of the humidity parameter range corresponding to the farmed chickens within 5 days old, or the current humidity parameter is larger than the upper limit value of the humidity parameter range corresponding to the farmed chickens within 5 days old, it indicates that the current environment parameter is not matched with the standard environment parameter range corresponding to the current growth stage of the farmed animals.
Optionally, the standard environmental parameters include standard gas concentration parameters, and different standard gas concentration parameters are required for different growth stages of the farmed animals. The current gas concentration parameter can be judged according to the following steps:
and if the current gas concentration parameter is larger than the standard gas concentration parameter corresponding to the current growth stage of the cultured animals, indicating that the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals.
For example, if the farmed animals are farmed chickens, the current growth stage of the farmed chickens is 5 days old, and carbon dioxide gas is mainly detected, if the current carbon dioxide gas concentration parameter is greater than the standard carbon dioxide concentration parameter corresponding to the farmed chickens at 5 days old, it indicates that the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the farmed animals.
It should be noted that, the standard environmental parameter range can be input in advance by the staff, does not need to be manually set every day manually, can realize the automatic regulation of plant's environment, realizes automatic breed.
And S23, if the current environmental parameters are not matched with the standard environmental parameter ranges corresponding to the current growth stage of the cultured animals, adjusting the running state of the environmental processing equipment.
And if the current environmental parameters are not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals, adjusting the running state of the environmental processing equipment to enable the current environmental parameters to be matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals.
Optionally, the standard environmental parameters may further include a heating stop temperature, and different heating stop temperatures are required for different growth stages of the farmed animals, and correspond to the heating start temperature and the target temperature of each stage.
And if the current temperature parameter is less than or equal to the heating starting temperature corresponding to the current growth stage of the cultured animals, controlling an evaporator in the combined air treatment unit to carry out heating treatment until the current environmental temperature reaches the heating stopping temperature corresponding to the current growth stage of the cultured animals. If the current temperature parameter is greater than or equal to the target temperature corresponding to the current growth stage of the cultured animals, the combined air treatment unit is controlled to carry out refrigeration treatment, and if the current temperature parameter is less than or equal to the heating starting temperature corresponding to the current growth stage of the cultured animals, then the combined air treatment unit is heated, so that the circulation can realize uniform refrigeration and refrigeration, gently realize temperature change, avoid the phenomenon of sudden drop of local temperature, ensure that the environment temperature of the henhouse is moderate, and ensure that the chickens are not easy to heatstroke or catch a cold.
Optionally, controlling the combined air handling unit to perform the cooling process includes: and controlling the wet film cooler and/or the evaporator to perform refrigeration treatment. When the refrigerating capacity required by the farm is not too high, only the wet film cooler can be started, and when the temperature required in the farm is kept lower and the wet film cooler is started and cannot reach the required refrigerating capacity, the evaporator can be started again for refrigerating.
Optionally, if the current growth stage of the cultured animals belongs to a preset early growth stage, the heating stop temperature is equal to the target temperature; and if the current growth stage of the cultured animals belongs to the preset later growth stage, the heating stop temperature is lower than the target temperature.
Specifically, if the current growth stage of the cultured animals belongs to the preset early growth stage, the cultured animals generate less heat at the stage and need to be kept warm, and the heating stop temperature can be set as the target temperature to ensure that the temperature in the farm is proper; if the current growth stage of the cultured animals belongs to the preset later growth stage, the growth speed of the cultured animals is accelerated in the stage, the culture density begins to increase, the heat generated by the cultured animals per se is increased, and the temperature in the culture farm rises quickly. If the heating stop temperature is set to be equal to the target temperature at this stage, the temperature in the farm may be excessively high, resulting in heatstroke of the farmed animals. Therefore, the heating stop temperature may be set to be less than the target temperature. Also, as the farmed animals grow, the difference between the heating stop temperature and the target temperature may increase.
Optionally, the pre-growth phase comprises a preparation period before the farm animal enters the farm and a juvenile phase of the farm animal. The farm can be preheated, disinfected and purged during the preparation period, with the necessary preparation. Wherein the early growth stage and the later growth stage can be determined according to the type of the cultured animals.
For example, if the farmed animals include farmed chickens, the preparation period may be 3 days, with the farm being preheated, purged, killed, etc. 3 days prior to farming. The early growth stage of the bred chickens comprises young stages of 3 days and 1-6 days before breeding, and the heating stop temperature is set to be the same as the target temperature in the early growth stage; taking the rest growth stage of the bred chicken as a later growth stage, and setting the heating stop temperature to be lower than the target temperature. Wherein the difference between the heating stopping temperature of 7-21 days old and the target temperature is 0.5 ℃, the difference between the heating stopping temperature of 22-35 days old and the target temperature is 1 ℃, and the difference between the heating stopping temperature of 36-56 days old and the target temperature is 2 ℃.
For example, if the chicken age is-2 days (the first day of the preparation period), the farm is always operated in the cooling mode, when the temperature in the farm is lower than 29.7 ℃ (heating start temperature), the farm is switched to the heating mode, heating is stopped until 30 ℃ (heating stop temperature or target temperature), the farm is switched to the cooling mode again, and the process is repeated.
If the chicken age is 56 days, the farm is always operated in the cooling mode, when the temperature in the farm is lower than 16.7 ℃ (heating starting temperature), the farm is switched to the heating mode, heating is stopped until 17 ℃ (heating stopping temperature), when the current temperature parameter reaches 19 ℃ (target temperature), the farm is switched to the cooling mode again, and the process is circulated.
Optionally, if the current humidity parameter is greater than the upper limit value of the humidity parameter range corresponding to the current growth stage of the cultured animals, or the current humidity parameter is less than the lower limit value of the humidity parameter range corresponding to the current growth stage of the cultured animals, the combined air handling unit is adjusted so that the current humidity parameter is within the humidity parameter range corresponding to the current growth stage of the cultured animals. For example, if the farm animals are farm chickens, the humidity of the farm can be controlled according to table 1. Wherein, the growth stage of the chickens is the age of the chickens.
| Age of chicken (Tian) | Humidity parameter Range (%) |
| 0～7 | 60～70％ |
| 8～14 | 55～60％ |
| 15-marketing | 50～60％ |
TABLE 1
Optionally, if the current gas concentration parameter is greater than the standard gas concentration parameter corresponding to the current growth stage, adjusting the switching ratio of the fresh air valve and the return air valve, and/or adjusting the exhaust fan to accelerate ventilation of the farm, so that the current gas concentration parameter is less than the standard gas concentration parameter.
For example, if the concentration of carbon dioxide is too high, the on-off ratio of the fresh air valve can be increased, the on-off ratio of the return air valve is reduced, the ventilation of the farm is accelerated, the exhaust fan can be opened or the exhaust force of the exhaust fan is increased simultaneously, the ventilation of the farm is further accelerated, and the concentration of carbon dioxide is reduced.
In a particular embodiment, the farmed animals are farmed chickens and the air quality requirements in the farm may be as shown in table 2.
| Composition of air | O2 | CO2 | CO | NH3 | Dust capable of being sucked |
| Concentration of | ＞19.6％ | ＜3000PPM | ＜10PPM | ＜10PPM | ＜3.4mg/m3 |
TABLE 2
Optionally, the ventilation quality of the cage-cultured chickens mainly refers to the concentration of carbon dioxide, the concentration of the carbon dioxide is controlled by jointly adjusting a fresh air valve and an air return valve, the fresh air contains much oxygen, the air quality can be improved, the temperature of the air return is close to the temperature in the farm, and the energy can be saved. In order to take into account the recovery of heat and the supply of fresh air, can in time adjust according to season, weather and other conditions, can set up the concentration of carbon dioxide and be: less than 3000ppm in the early stage, less than 3500ppm in the middle stage and less than 4000ppm in the later stage of the summer and autumn feeding; the winter stage is less than 3500 ppm.
In one embodiment, the farmed animals are farmed chickens and the target minimum ventilation is shown in table 3 to ensure that the air quality in the farm is satisfactory.
| Ambient temperature (. degree. C.) | Air volume (CFM/kg) |
| Below 0 deg.C | 0.3 |
| 0～5℃ | 0.35 |
| 5～10℃ | 0.4 |
| 10～15℃ | 0.5 |
| 15～20℃ | 0.6 |
| Above 20 DEG C | 1 |
TABLE 3
Wherein, CFM is English system unit cubic foot per minute, 1CFM is 0.028m3/min＝1.68m3H is used as the reference value. The minimum ventilation volume is the minimum ventilation volume required by the production and development of the chicken flocks, the basis for whether the minimum ventilation volume is proper is the air quality in the farm, the ventilation volume for ensuring the air quality in the farm to reach the standard is the required minimum ventilation volume, the ventilation volume needs to be properly increased when the air quality does not reach the standard, and the minimum ventilation volume can be properly reduced when the air quality is better and certain heating pressure exists.
The method for controlling the environment of the farm comprises the steps of obtaining current environment parameters collected by environment sensing equipment; judging whether the current environmental parameters are matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals or not; and if the current environmental parameters are not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals, adjusting the running state of the environmental processing equipment to enable the current environmental parameters to be matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals. By adopting the technical scheme of the embodiment, the current environmental parameters can be adjusted according to the current growth stage of the cultured animals so as to optimize the current environmental state, provide a suitable environment for the cultured animals, ensure the healthy growth of the cultured animals and realize the purpose of automatic culture.
Optionally, the method for controlling an environment of a farm according to this embodiment further includes the following steps:
determining a target temperature of the farmed animals at each growth stage; wherein the target temperature is reduced according to a preset rule along with the growth of the farmed animals.
Specifically, the target temperature may be determined according to the growing stage of the farmed animals. The heat generated by the cultured animals is less in the early growth stage, the heat is required to be preserved, and higher target temperature can be set. But along with the growth of breed animal, not only breed density can increase gradually, and the respiratory of breed animal also can strengthen gradually, and the intensification is fast in the plant, consequently can set up the target temperature that reduces gradually according to predetermineeing the rule along with the growth of breed animal.
Optionally, the predetermined rule may be determined according to the actual condition of the farmed animals. Generally, the target temperature is decreased at a high speed in the initial growth stage of the cultured animals, and is decreased at a low speed in the middle and later growth stages of the cultured animals until the target temperature is stabilized at a specific target temperature.
For example, if the farmed animals are farmed chickens, the preparation period may be 3 days, with the farm being preheated, purged, killed, etc. 3 days prior to farming. If the growth cycle of the farmed chickens is 56 days, one control cycle of the embodiment is 59 days, and the heating stop temperature, the target temperature and the heating start temperature when the current humidity parameter in the farm is 60% can be shown in table 4 for different ages of chickens:
| age of chicken (Tian) | Target temperature (. degree.C.) | Heating stop temperature (. degree.C.) | Heating Start temperature (. degree.C.) |
| -2 | 30 | 30 | 29.7 |
| -1 | 35 | 35 | 34.7 |
| 0 | 35 | 35 | 34.7 |
| 1 | 34 | 34 | 33.7 |
| 7 | 32 | 31.5 | 31.2 |
| 14 | 29 | 28.5 | 28.2 |
| 21 | 27 | 26.5 | 26.2 |
| 28 | 25 | 24 | 23.7 |
| 35 | 23 | 22 | 21.7 |
| 42 | 20 | 18 | 17.7 |
| 49 | 19 | 17 | 16.7 |
| 56 | 19 | 17 | 16.7 |
TABLE 4
Generally, the target temperature of 1-3 chicken ages is 33-35 ℃, the temperature is reduced by 3 ℃ in the first week, reduced by 2 ℃ in the later week along with the increase of the chicken ages, and the average temperature is about 0.3 ℃ per day until the temperature is stabilized at 18-20 ℃.
In a specific embodiment, the farmed animals are chickens, and the target temperature and air volume settings can be referred to table 5 when the current humidity parameter in the farm is 60%.
TABLE 5
The temperature required in the early culture stage is higher, and higher target temperature can be set for hatching, heat preservation and the like; the density of the grown chickens in the later period of the breeding is high, and the temperature in the breeding farm can be quickly raised to set a lower target temperature. The respiratory effect of the chicks at the initial stage of cultivation is small, and the required air volume is low; the density of the adult chickens in the coops in the later period of breeding is high, the respiration effect is vigorous, the concentration of carbon dioxide is high, and the required air quantity is high.
The temperature in the breeding farm is controlled according to different ages of the chickens and the growth requirements of the bred chickens, temperature change rules, low-temperature alarm parameters and high-temperature alarm parameters are required to be set before the chickens are fed, and automatic adjustment is realized according to all preset parameters. The chicken is influenced by high temperature in summer, and when the outdoor temperature is higher than the set target temperature, the chicken also needs to start the refrigeration mode in the period. The middle-large chickens are mainly in the aeration and cooling stage, and the air quantity set by the farm is large, and the set refrigeration temperature is low. Most opening time of the wet film cooler and the evaporator in the air conditioner of the farm is comprehensive refrigeration, and meanwhile, the opening range of the fresh air valve is large, and the fresh air valve mainly supplies a large amount of fresh air containing much oxygen.
It should be noted that, in table 5, the target temperature corresponding to the current humidity parameter of 60% in the farm is obtained, the target temperature is adjusted accordingly when the current humidity parameter changes greatly, the target temperature is appropriately increased when the current humidity parameter is low, the target temperature is appropriately decreased when the current humidity parameter is high, and the specific adjustment range is mainly expressed by the chicken flocks. When the raising density is changed due to factors such as cage separation and the like during raising, the target temperature is correspondingly increased by 0.5-1 ℃, and the specific adjustment range is determined according to the performance of chicken flocks.
Based on a general inventive concept, the invention also provides an environment control device of a farm, which is used for realizing the embodiment of the method.
Fig. 4 is a schematic structural diagram of an environmental control apparatus for a farm according to an embodiment of the present invention.
As shown in fig. 4, the environment control apparatus of a farm according to the present embodiment may include:
the acquiring module 31 is used for acquiring current environmental parameters acquired by the environmental sensing equipment;
the judging module 32 is used for judging whether the current environmental parameters are matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals;
and the adjusting module 33 is configured to adjust the operating state of the environment processing device if the current environment parameter is not matched with the standard environment parameter range corresponding to the current growth stage of the cultured animal, so that the current environment parameter is matched with the standard environment parameter range corresponding to the current growth stage of the cultured animal.
Optionally, in the environment control device of the farm of this embodiment, the current environment parameter includes a current temperature parameter acquired by the temperature sensor, and the standard environment parameter includes a heating start temperature and a target temperature;
the determining module 32 is specifically configured to indicate that the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the farm animal if the current temperature parameter is less than or equal to the heating start temperature corresponding to the current growth stage of the farm animal, or the current temperature parameter is greater than or equal to the target temperature corresponding to the current growth stage of the farm animal.
Optionally, in the environmental control device for a farm of this embodiment, the standard environmental parameter includes a heating stop temperature;
the adjusting module 33 is specifically configured to control the combined air treatment unit to perform heating treatment until the current ambient temperature reaches a heating stop temperature corresponding to the current growth stage of the cultured animals if the current temperature parameter is less than or equal to the heating start temperature corresponding to the current growth stage of the cultured animals; and if the current temperature parameter is greater than or equal to the target temperature corresponding to the current growth stage of the cultured animals, controlling the combined air treatment unit to carry out refrigeration treatment.
Optionally, in the environment control device of the farm of this embodiment, if the current growth stage of the farm animal belongs to the preset early growth stage, the heating stop temperature is equal to the target temperature; if the current growth stage of the cultured animals belongs to the preset later growth stage, the heating stop temperature is lower than the target temperature; wherein the prophase growth stage comprises a preparation period before the farmed animals enter the farm.
Optionally, in the environmental control device for a farm of this embodiment, the adjusting module 33 is specifically configured to control the wet film cooler and/or the evaporator to perform a cooling process.
Optionally, the environment control device for a farm of this embodiment further includes a determining module;
the determining module is used for determining the target temperature of the cultured animals in each growth stage; wherein the target temperature is reduced according to a preset rule along with the growth of the farmed animals.
Optionally, in the environment control device of the farm of this embodiment, the current environment parameter includes a current humidity parameter acquired by a humidity sensor, and the standard environment parameter includes a humidity parameter range;
the judging module 32 is specifically configured to indicate that the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animal if the current humidity parameter is greater than the upper limit value of the humidity parameter range corresponding to the current growth stage of the cultured animal, or the current humidity parameter is less than the lower limit value of the humidity parameter range corresponding to the current growth stage of the cultured animal;
the adjusting module 33 is specifically configured to adjust the combined air handling unit so that the current humidity parameter is within a humidity parameter range corresponding to the current growth stage of the cultured animals.
Optionally, in the environment control device of the farm of this embodiment, the current environment parameter includes a current gas concentration parameter acquired by a gas concentration parameter sensor, and the standard environment parameter includes a standard gas concentration parameter;
the judging module 32 is specifically configured to indicate that the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animal if the current gas concentration parameter is greater than the standard gas concentration parameter corresponding to the current growth stage of the cultured animal;
the adjusting module 33 is specifically configured to adjust a switching ratio of the fresh air valve and the return air valve, and/or adjust the exhaust fan, so as to accelerate ventilation of the farm, and make the current gas concentration parameter smaller than the standard gas concentration parameter.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
Based on a general inventive concept, the present invention also provides an environment control apparatus for a farm, for implementing the above method embodiments.
Fig. 5 is a schematic structural diagram of an environment control apparatus of a farm according to an embodiment of the present invention.
As shown in fig. 5, the environment control apparatus for a farm of the present embodiment includes a processor 42 and a memory 42, and the processor 41 is connected to the memory 42. Wherein, the processor 41 is used for calling and executing the program stored in the memory 42; the memory 42 is used to store a program, and the program stored in the memory 42 is used at least to execute the environment control method of the farm in the above embodiment.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (16)
1. The environment control method of the farm is characterized by being applied to an environment control system of the farm, wherein the environment control system comprises an environment sensing device and an environment processing device;
the method comprises the following steps:
acquiring current environmental parameters acquired by the environmental sensing equipment;
judging whether the current environmental parameters are matched with standard environmental parameter ranges corresponding to the current growth stage of the cultured animals or not;
and if the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animal, adjusting the running state of the environmental processing equipment to enable the current environmental parameter to be matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animal.
2. The method of claim 1, wherein the environmental sensing device comprises a temperature sensor;
the current environmental parameters comprise current temperature parameters acquired by the temperature sensor, and the standard environmental parameters comprise heating starting temperature and target temperature;
the judging whether the current environmental parameter is matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals comprises the following steps:
and if the current temperature parameter is less than or equal to the heating starting temperature corresponding to the current growth stage of the cultured animals, or the current temperature parameter is greater than or equal to the target temperature corresponding to the current growth stage of the cultured animals, the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals.
3. The method of claim 2, wherein the environmental treatment facility comprises a modular air treatment unit;
the standard environmental parameter comprises a heating stop temperature;
the adjusting the operating state of the environmental processing equipment comprises:
if the current temperature parameter is less than or equal to the heating starting temperature corresponding to the current growth stage of the cultured animals, controlling the combined air treatment unit to carry out heating treatment until the current environment temperature reaches the heating stopping temperature corresponding to the current growth stage of the cultured animals;
and if the current temperature parameter is greater than or equal to the target temperature corresponding to the current growth stage of the cultured animals, controlling the combined air treatment unit to carry out refrigeration treatment.
4. The method according to claim 3, wherein said heating stop temperature is equal to said target temperature if a current growth stage of said farm animals belongs to a predetermined early growth stage;
if the current growth stage of the cultured animals belongs to a preset later growth stage, the heating stop temperature is lower than the target temperature;
wherein the pre-growth phase comprises a preparation period before the farmed animals enter the farm.
5. The method of claim 3, wherein the combined air treatment unit comprises a wet film cooler and an evaporator;
the control of the combined air treatment unit for refrigeration treatment comprises the following steps:
and controlling the wet film cooler and/or the evaporator to perform refrigeration treatment.
6. The method of environmental control of a farm according to claim 2, further comprising: determining a target temperature for the farmed animals at each growth stage; wherein the target temperature is reduced according to a preset rule as the farmed animals grow.
7. The method of claim 3, wherein the environmental sensing device comprises a humidity sensor;
the current environmental parameters comprise current humidity parameters acquired by the humidity sensor, and the standard environmental parameters comprise a humidity parameter range;
the judging whether the current environmental parameter is matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals comprises the following steps:
if the current humidity parameter is larger than the upper limit value of the humidity parameter range corresponding to the current growth stage of the cultured animals, or the current humidity parameter is smaller than the lower limit value of the humidity parameter range corresponding to the current growth stage of the cultured animals, it indicates that the current environmental parameter is not matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals;
correspondingly, the adjusting the operating state of the environment processing device includes:
and adjusting the combined air treatment unit so that the current humidity parameter is in a humidity parameter range corresponding to the current growth stage of the cultured animals.
8. The environmental control method of a farm according to claim 3, wherein the environmental control system further comprises an exhaust fan, the combined air treatment unit comprises a fresh air valve, an air return valve and a ventilation duct, the ventilation duct in which the fresh air valve is located communicates the mixer and the outside of the farm, and the ventilation duct in which the air return valve is located communicates the mixer and the inside of the farm;
the environment sensing device comprises a gas concentration parameter sensor;
the current environmental parameters comprise current gas concentration parameters acquired by the gas concentration parameter sensor, and the standard environmental parameters comprise standard gas concentration parameters;
the judging whether the current environmental parameter is matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals comprises the following steps:
if the current gas concentration parameter is larger than the standard gas concentration parameter corresponding to the current growth stage of the cultured animals, the current environment parameter is not matched with the standard environment parameter range corresponding to the current growth stage of the cultured animals;
correspondingly, the adjusting the operating state of the environment processing device includes:
and adjusting the on-off ratio of the fresh air valve and the return air valve, and/or adjusting the exhaust fan to accelerate the ventilation of the farm, so that the current gas concentration parameter is smaller than the standard gas concentration parameter.
9. An environmental control apparatus for a farm, comprising:
the acquisition module is used for acquiring the current environmental parameters acquired by the environmental sensing equipment;
the judging module is used for judging whether the current environmental parameters are matched with the standard environmental parameter range corresponding to the current growth stage of the cultured animals;
and the adjusting module is used for adjusting the running state of the environment processing equipment if the current environment parameter is not matched with the standard environment parameter range corresponding to the current growth stage of the cultured animal, so that the current environment parameter is matched with the standard environment parameter range corresponding to the current growth stage of the cultured animal.
10. An environmental control apparatus for a farm, comprising a processor and a memory, the processor being connected to the memory:
the processor is used for calling and executing the program stored in the memory;
the memory for storing the program for executing at least the farm environment control method according to any one of claims 1 to 8.
11. An environmental control system of a farm, comprising an environment sensing device, an environment processing device, and the farm's environmental control device of claim 10;
and the environment control equipment of the farm is simultaneously connected with the environment sensing equipment and the environment processing equipment.
12. The environmental control system of a farm of claim 11, wherein the environmental control equipment comprises a modular air handling unit;
the combined air treatment unit comprises a mixer, a coarse filter, a wet film cooler, an evaporator and an air feeder which are arranged in sequence, and the combined air treatment unit also comprises an air supply pipeline;
a fresh air valve and an air return valve are arranged at the mixer, a ventilation pipeline where the fresh air valve is located is communicated with the mixer and the outside of the farm, and a ventilation pipeline where the air return valve is located is communicated with the mixer and the inside of the farm;
and the environment control equipment of the farm is simultaneously connected with the fresh air valve, the return air valve, the evaporator and the air feeder.
13. The environmental control system of a farm according to claim 12, wherein a service aisle is provided at the coarse filter.
14. The environmental control system of a farm of claim 11, wherein the environmental control equipment comprises an exhaust fan;
and the environment control equipment of the farm is connected with the exhaust fan.
15. The environmental control system of a farm of claim 11, wherein the environmental sensing devices comprise temperature sensors, humidity sensors, air concentration sensors.
16. The environmental control system of a farm of claim 15, wherein the air concentration sensor comprises a carbon dioxide sensor.
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| CN114294899B (en) * | 2021-12-30 | 2024-04-30 | Tcl家用电器（合肥）有限公司 | Refrigerator parameter control method and device, electronic equipment and storage medium |
| CN114860005A (en) * | 2022-04-11 | 2022-08-05 | 西门子（中国）有限公司 | Method, device, system and medium for controlling breeding environment |
| CN115380847A (en) * | 2022-08-25 | 2022-11-25 | 珠海格力电器股份有限公司 | Air conditioning ventilation system of breeding house and control method thereof |
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