CN-121970686-A - Intelligent temperature control system and method for pigsty

CN121970686ACN 121970686 ACN121970686 ACN 121970686ACN-121970686-A

Abstract

The invention provides an intelligent temperature control system and method for a pigsty, and belongs to the field of breeding devices. The system comprises a light-transmitting shed roof, a power generation device, an energy storage device connected with the power generation device, a first heating device, a second heating device, a circulating pump, a heat exchange medium storage tank, a flow path switching valve, an environment sensor and an intelligent regulation and control unit, wherein the light-transmitting shed roof covers the top of a pigsty, and a loop channel for circulation of the heat exchange medium is arranged in the light-transmitting shed roof. According to the system, through arranging the light-transmitting shed roof and matching with the circulating pump and the flow path switching valve, the cooperation of natural lighting and photo-thermal/photoelectric energy conversion is realized, the electricity generation and heat supply proportion is flexibly distributed, and the utilization rate of sunlight is improved.

Inventors

HAO YUE
WANG XIAOHONG
ZHONG RUQING
ZHANG SHU
CHEN LIANG
ZHANG HONGFU

Assignees

中国农业科学院北京畜牧兽医研究所

Dates

Publication Date: 20260505
Application Date: 20251218

Claims (10)

1. The intelligent temperature control system for the pigsty is characterized by comprising a light-transmitting shed roof, a power generation device, an energy storage device connected with the power generation device, a first heating device, a second heating device, a circulating pump, a heat exchange medium storage tank, a flow path switching valve, an environment sensor and an intelligent regulation and control unit; The pig house comprises a light-transmitting shed roof, a first heating device, a second heating device, a circulating pump, a heat exchange medium storage tank, a power generation device, an energy storage device, a circulating pump, a heat exchange medium storage tank, a heat source side of the second heating device, a circulating pump, a heat exchange medium storage tank, a power generation device and a pipeline, wherein the light-transmitting shed roof is covered on the top of a pig house; The intelligent regulation and control unit is electrically connected with the power generation device, the energy storage device, the circulating pump, the flow path switching valve, the first heating device, the second heating device and the environmental sensor, and the intelligent regulation and control unit is configured to: controlling the running power of the first heating device and the second heating device according to the data of the environmental sensor, the sunlight intensity and the preset pig growth stage requirement, and controlling the replacement of a heat exchange medium; and adjusting the proportion of heat energy distributed from the light-transmitting shed roof to the power generation device and the second heating device by controlling the flow rate of the circulating pump and the switching of the flow path switching valve.
2. The intelligent temperature control system of the pigsty, according to claim 1, is characterized in that the light-transmitting shed roof comprises double-layer glass, a light-transmitting film and a shed roof bracket, wherein the light-transmitting film is covered on the shed roof bracket, the double-layer glass is covered on the light-transmitting film, and a heat exchange medium loop channel is arranged in the double-layer glass; the heat exchange medium storage tank comprises a first liquid storage tank and a second liquid storage tank, and heat exchange mediums with different optical properties are respectively stored in the first liquid storage tank and the second liquid storage tank; The first heating device is an electrothermal film, the second heating device comprises a heat pump, the evaporation side of the heat pump forms the heat source side of the second heating device and exchanges heat with a heat exchange medium loop channel in the light-transmitting shed roof; the electrothermal film is laid on the floor heating pipe.
3. The intelligent temperature control system of a pig house according to claim 2, wherein a spacing device is provided to divide the pig house into a plurality of areas; the light-transmitting shed roof is provided with a corresponding number of heat exchange medium loop channel units according to the area, and each heat exchange medium loop channel unit is mutually independent; Each area is provided with a first heating device and a second heating device which are independent, and the second heating device is connected with the heat exchange medium loop channel unit of the corresponding area to form a closed circulation path.
4. A pig house intelligent temperature control system according to any one of claims 1-3, wherein the heat exchange medium loop channel comprises a plurality of transparent heat collecting pipes, the plurality of transparent heat collecting pipes are arranged in rows, and each row of adjacent transparent heat collecting pipes are connected in a sealing manner through a U-shaped glass pipe.
5. The intelligent temperature control system of claim 1, further comprising a removable heat preservation cover over the light transmissive roof configured to partially or fully cover the light transmissive roof when in an operational state.
6. The intelligent temperature control system of a pig house of claim 1, wherein the environmental sensor comprises a temperature sensor and a harmful gas concentration sensor.
7. An intelligent temperature control method for a pigsty, which adopts the intelligent temperature control system as claimed in any one of claims 1 to 6, and is characterized by comprising the following steps: acquiring parameter information, wherein the parameter information comprises pig house temperature, illumination intensity and pig growth stage; According to the energy distribution coefficient K, one or more of the following controls are performed: A. when the power generation is performed preferentially, controlling the flow path switching valve to guide the heat exchange medium flowing out of the light-transmitting shed roof to the power generation device, and controlling the circulating pump to operate at a first flow speed, so that the temperature of the heat exchange medium reaches a high-efficiency power generation interval; B. When balance heat supply and power generation are needed, the flow path switching valve is controlled to guide the heat exchange medium flowing out of the top of the light-transmitting shed to the power generation device and the second heating device simultaneously or in a time-sharing way, and the circulating pump is controlled to operate at a second flow rate different from the first flow rate; C. When the illumination heat energy is insufficient, the flow path switching valve is controlled to close a path flowing to the second heating device, the circulating pump is controlled to run at a low speed or stop, and the energy storage device is regulated to supply power to the first heating device and the second heating device; D. the heat preservation quilt is controlled to completely cover the light-transmitting shed roof or is controlled to be retracted; E. and adjusting the heat exchange medium in the heat exchange medium loop channel according to the sun illumination intensity and the growth stage of pigs.
8. The intelligent temperature control method for the pigsty, according to claim 7, is characterized in that the energy distribution coefficient K is more than or equal to 0.7 and is a preferential power generation stage, wherein when the energy distribution coefficient K is 0.3< K <0.7, the energy distribution coefficient K is less than or equal to 0.3, the energy distribution coefficient K is the energy distribution coefficient K, and the energy distribution coefficient K is the energy distribution coefficient K.
9. The intelligent temperature control method for pigsty according to claim 7 or 8, wherein the energy distribution coefficient K is represented by the following formula: Wherein alpha and beta are weight factors.
10. The intelligent temperature control method for a pig house according to claim 7, further comprising the step of reducing power of the first heating device and the second heating device and simultaneously starting the dry manure cleaning device and the ventilation system when the harmful gas concentration sensor detects that the concentration of the harmful gas exceeds the standard.

Description

Intelligent temperature control system and method for pigsty Technical Field The invention relates to the technical field of breeding devices, in particular to an intelligent temperature control system and method for a pig house. Background In modern pig industry, the temperature, humidity and illumination conditions of the pig house environment have significant influence on the growth speed, immunity and reproductive performance of pigs. In general, piglets are recommended to receive light for 18 hours per day from birth to 4 months of age, with the light intensity being controlled at 50-100 lux. Growing-finishing pigs are recommended to be illuminated for no more than 10 hours per day with an intensity of 40-50 lux. However, the traditional pig house adopts closed structure mostly, in order to keep warm or prevent external interference, often reduced the entering of natural light, this leads to the regulation biorhythm of natural light, improve the feeding action, promote vitamin D synthetic advantage can not be played, and traditional natural light pig house can't automatically regulated illumination demand every day, and the control by temperature change pig house system in traditional pig house can maintain suitable temperature through modes such as electrical heating, ground heating pipe or air source heat pump, but its design is concentrated on temperature and humidity control, and neglect illumination regulation's importance. In addition, although some improved structures based on photovoltaic power generation or geothermal energy supply attempt to realize energy utilization optimization, the defects that the photovoltaic module blocks full-band natural light, lighting and power generation are outstanding and the like still exist. Therefore, a green energy-saving structure capable of fully utilizing natural illumination and realizing self-adaptive adjustment of temperature of a pig house is needed, so that the health level of pigs is improved and the energy consumption is reduced while the comfortable breeding environment is ensured. Disclosure of Invention The invention aims to provide an intelligent temperature control system and method for a pig house with natural lighting and temperature self-adaptive regulation and control functions, and aims of promoting healthy growth of pigs and improving immunity and production performance of pigs by optimizing the structural design and energy utilization mode of the pig house. In order to achieve the above object, the present invention adopts the following technical scheme: the invention provides an intelligent temperature control system for a pigsty, which comprises a light-transmitting shed roof, a power generation device, an energy storage device connected with the power generation device, a first heating device, a second heating device, a circulating pump, a heat exchange medium storage tank, a flow path switching valve, an environment sensor and an intelligent regulation and control unit, wherein the light-transmitting shed roof is arranged on the shed roof; The pig house comprises a light-transmitting shed roof, a first heating device, a second heating device, a circulating pump, a heat exchange medium storage tank, a power generation device, an energy storage device, a circulating pump, a heat exchange medium storage tank, a heat source side of the second heating device, a circulating pump, a heat exchange medium storage tank, a power generation device and a pipeline, wherein the light-transmitting shed roof is covered on the top of a pig house; The intelligent regulation and control unit is electrically connected with the power generation device, the energy storage device, the circulating pump, the flow path switching valve, the first heating device, the second heating device and the environmental sensor, and the intelligent regulation and control unit is configured to: controlling the running power of the first heating device and the second heating device according to the data of the environmental sensor, the sunlight intensity and the preset pig growth stage requirement, and controlling the replacement of a heat exchange medium; and adjusting the proportion of heat energy distributed from the light-transmitting shed roof to the power generation device and the second heating device by controlling the flow rate of the circulating pump and the switching of the flow path switching valve. The heat exchange medium storage tank comprises a first liquid storage tank and a second liquid storage tank which are respectively stored with heat exchange mediums with different optical properties, the first heating device is an electric heating film, the second heating device comprises a heat pump, the evaporation side of the heat pump forms the heat source side of the second heating device and exchanges heat with the heat exchange medium loop channel in the light transmission shed roof, the condensation side of the heat pump is connected with a ground heating pi