[go: up one dir, main page]

CN110671770B - Low-energy-consumption rural house indoor thermal environment regulation and control system - Google Patents

Low-energy-consumption rural house indoor thermal environment regulation and control system Download PDF

Info

Publication number
CN110671770B
CN110671770B CN201911046564.8A CN201911046564A CN110671770B CN 110671770 B CN110671770 B CN 110671770B CN 201911046564 A CN201911046564 A CN 201911046564A CN 110671770 B CN110671770 B CN 110671770B
Authority
CN
China
Prior art keywords
air
indoor
valve
heat
port
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911046564.8A
Other languages
Chinese (zh)
Other versions
CN110671770A (en
Inventor
赵民
李杨
薛洁
康维斌
俞超男
荆竞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Northwest Architecture Design and Research Institute Co Ltd
Original Assignee
China Northwest Architecture Design and Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Northwest Architecture Design and Research Institute Co Ltd filed Critical China Northwest Architecture Design and Research Institute Co Ltd
Priority to CN201911046564.8A priority Critical patent/CN110671770B/en
Publication of CN110671770A publication Critical patent/CN110671770A/en
Application granted granted Critical
Publication of CN110671770B publication Critical patent/CN110671770B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/11—Geothermal energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/14—Solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272—Solar heating or cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/40—Geothermal heat-pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Central Air Conditioning (AREA)

Abstract

The invention provides a low-energy-consumption rural house indoor thermal environment regulation and control system, which comprises a rural house, a solar air heat collection device, a low-environment-temperature air source heat pump air heater, a solar hot air valve, a tunnel air valve, an underground air pipe, an outdoor side air valve, an indoor side air valve, an outdoor air inlet, a rat-proof net, a coarse filter, a tunnel air return port and a solar hot air return port, wherein the system combines shallow geothermal energy and solar heat utilization technology on a traditional split air conditioner, obtains shallow geothermal energy resources through the underground air pipe, obtains solar energy resources through the solar air heat collection device, adopts the low-environment-temperature air source heat pump as a matched active cold source and heat source, can realize cooling in summer and heating in winter, meets the fresh air demand of indoor personnel, has good thermal comfort and energy-saving potential, and is suitable for being used in the rural house, the operation energy consumption is low.

Description

Low-energy-consumption rural house indoor thermal environment regulation and control system
Technical Field
The invention belongs to the field of air conditioning, relates to an air conditioning system for rural residences, and particularly relates to a low-energy-consumption rural-room indoor thermal environment regulation and control system.
Background
With the increasing living standard of farmers, the construction of rural residential buildings is rapidly updated, the energy consumption level of rural areas is continuously increased, especially in northern rural areas, the heat supply is a large energy consumption family, and the coal and firewood are still the main heat supply mode in rural areas at the present stage. On one hand, energy conservation of rural buildings needs to be closely combined with rural practice, a rural green energy-saving technology which accords with the reality is summarized, trial demonstration is actively carried out, energy-saving green farm house construction is guided, on the other hand, renewable energy sources such as solar energy are required to be actively adopted to meet the requirement of energy utilization of farm houses, and structural adjustment of energy utilization of rural buildings is actively promoted.
The rural areas have wide land and rich shallow geothermal energy and solar energy resources, the shallow geothermal energy and solar energy utilization technology is vigorously developed, the heat supply and air conditioning energy consumption of the rural houses can be reduced, and the indoor thermal comfort of the rural houses is improved. The temperature of the shallow soil fluctuates little all the year round, and in summer, the temperature of the shallow soil is obviously lower than the outdoor air temperature; in winter, the temperature of shallow soil is obviously higher than the temperature of outdoor air, so that cooling or heating of a farm house can be realized by a tunnel air cooling or heating technology, precooling or preheating of outdoor fresh air can also be realized, and the fresh air load is greatly reduced. In addition, solar heat utilization compares in shallow layer geothermal energy utilization, can produce better heating effect winter, based on solar energy air heat collection device, the direct heating room air realizes the solar energy heat supply.
At present, although the split air conditioner which is used in a large area in rural areas is driven by electric energy to realize clean energy heat supply, an indoor unit is only suitable for being installed at a higher position of a farm house, hot air is easy to gather at the ceiling of the house in winter, cold air gathering is easy to form in a heat supply space close to the ground, a main activity space of a human body is located in a middle-lower layer space of the house, the problems of 'head heat and feet cold' and the like are caused due to poor air flow organization, and therefore the heat supply effect is poor, and the thermal comfort of the human body is poor.
Disclosure of Invention
The invention aims to provide a low-energy-consumption rural house indoor thermal environment regulation and control system, which combines the shallow geothermal energy and solar heat utilization technologies on the traditional split air conditioner, obtains shallow geothermal energy resources through an underground air pipe, obtains solar energy resources through a solar air heat collection device, adopts a low-environment-temperature air source heat pump air heater as cold and heat source supplement, can realize cooling in summer and heating in winter, meets the fresh air demand of indoor personnel, has good thermal comfort and energy-saving potential, and is suitable for being used in rural houses.
The utility model provides an indoor thermal environment regulation and control system of low energy consumption rural power house which characterized in that: the solar energy air heat collection system comprises a farm house, a solar energy air heat collection device, a low environment temperature air source heat pump air heater, a solar energy hot air valve, a tunnel air valve, a buried air pipe, an outdoor side air valve, an indoor side air valve, an outdoor air inlet, a rat-proof net, a coarse filter, a tunnel air return port and a solar energy hot air return port;
the low-environment-temperature air source heat pump air heater comprises an indoor unit and an outdoor unit, wherein the outdoor unit is arranged on the outdoor side of a farm room, the indoor unit is arranged on the lower portion of the indoor side of the farm room and is not more than 20 cm away from the ground of the farm room, an air supply area of the indoor unit is concentrated in a low-layer human body activity area of the farm room, and the indoor unit is connected with a tunnel air valve and a solar hot air valve through air pipes;
the underground air pipe comprises an outlet section, an inlet section and a heat exchange section, wherein the outlet section and the inlet section are positioned above the ground, and the heat exchange section is positioned in shallow soil below the ground;
the solar air heat collecting device is positioned on the south slope roof of the agricultural house, can be directly irradiated by the sun in all directions and is connected with the solar hot air return inlet and the solar hot air valve;
the tunnel air return inlet is positioned on the ceiling of a farm house and connected with an indoor side air valve, the outdoor air inlet, the rat-proof net and the coarse filter are sequentially arranged and are all positioned on the outdoor side, the coarse filter is connected with the outdoor side air valve, the outdoor side air valve and the indoor side air valve are simultaneously connected with an inlet section of a buried air pipe, the inlet section, the heat exchange section and the outlet section are sequentially connected, the outlet section is connected with the tunnel air valve, and all the parts are connected by air pipes.
The low-environment-temperature air source heat pump air heater comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an indoor air supply outlet, an air feeder, an indoor side heat exchanger, a medium-efficiency filter, an indoor unit first air return inlet and an indoor unit second air return inlet, and the outdoor unit comprises a heat radiation fan, an outdoor side heat exchanger, a compressor, a drying filter, a four-way reversing valve, a liquid storage device and a capillary throttle valve;
the indoor heat exchanger is connected with a capillary throttle valve, the capillary throttle valve is connected with a liquid storage device, the liquid storage device is connected with the outdoor heat exchanger, the outdoor heat exchanger is connected with a V4 port of a four-way reversing valve, a V1 port of the four-way reversing valve is connected with an exhaust port of a compressor, a V2 port of the four-way reversing valve is connected with the indoor heat exchanger, a V3 port of the four-way reversing valve is connected with a drying filter, the drying filter is connected with an air inlet of the compressor, and all the parts are connected by refrigerant pipelines;
an indoor air supply outlet, an air feeder, an indoor side heat exchanger, an intermediate high efficiency filter and an indoor machine first air return inlet are sequentially arranged in the indoor machine, an indoor machine second air return inlet is positioned at the top of the indoor machine between the intermediate high efficiency filter and the indoor machine first air return inlet, the indoor machine first air return inlet is connected with a tunnel air valve and a solar hot air valve through an air pipe, the indoor machine is further communicated with a buried air pipe and a solar air heat collecting device, and outdoor fresh air and indoor return air through the buried air pipe, indoor return air through the solar air heat collecting device and indoor return air through the indoor machine second air return inlet can flow into a farm room under the driving of the air feeder;
when the four-way reversing valve is in a refrigerating working condition in summer, the V1 port and the V4 port of the four-way reversing valve are communicated, and the V2 port and the V3 port are communicated; when the four-way reversing valve is in a heating working condition in winter, the V1 port and the V2 port of the four-way reversing valve are communicated, and the V3 port and the V4 port are communicated.
The solar air heat collection device comprises an air supply port, a partition plate, an air channel, an air return port, an exhaust valve, a glass cover plate, a heat absorbing plate, a heat preservation layer and a shell, wherein a cavity is formed between the glass cover plate and the heat absorbing plate, the cavity is divided into continuous air channels by the partition plates which are arranged adjacently and in a height staggered mode, the heat preservation layer is filled between the heat absorbing plate and the shell, the exhaust valve is located at the top of the solar air heat collection device, the air supply port and the air return port are located at two ends of the air channel, the air supply port is connected with a solar hot air valve, the air return port is connected with a solar hot air return port.
The heat exchange section of the underground air pipe is formed by connecting a plurality of U-shaped air pipes, and the heat exchange section is horizontally arranged in shallow soil and is completely contacted with the soil, so that the underground air pipe heat exchange section is suitable for being used in a newly-built agricultural room.
The heat exchange section of the underground air pipe is composed of an inner air pipe and an outer air pipe, the inner air pipe is arranged in the outer air pipe, the bottom end of the outer air pipe is sealed, the top end of the outer air pipe is tightly contacted with the inner air pipe, the heat exchange section is integrally and vertically arranged in shallow soil and is completely contacted with the soil, and the heat exchange section is suitable for being used in newly-built farmhouse and transformation of the existing farmhouse.
The rat-proof net is a metal wire net made of stainless steel, the filtering efficiency of the coarse filter on particles with equivalent diameter larger than or equal to 5 micrometers is larger than or equal to 70%, the filtering efficiency of the medium-high-efficiency filter on particles with equivalent diameter larger than or equal to 1 micrometer is larger than or equal to 90%, and the coarse filter and the medium-high-efficiency filter can be replaced.
The heat absorbing plate is made of copper, and solar spectrum selective absorbing paint is coated on the heat absorbing plate.
Compared with the prior art, the invention has the beneficial effects that:
the low-energy-consumption rural house indoor thermal environment regulation and control system is based on a shallow geothermal energy utilization technology, shallow geothermal energy resources are obtained through the underground air pipes, summer cooling supply, winter heating supply and fresh air precooling and preheating of a rural house are achieved, heat exchange sections of the underground air pipes are horizontally arranged and vertically arranged, for a newly-built rural house, the heat exchange sections of the underground air pipes can be horizontally arranged when a rural house foundation is treated, construction difficulty is low, and investment cost is low; for the existing agricultural room transformation project, the heat exchange sections of the underground air pipes can be vertically arranged, the feasibility of system transformation is high, the operation is easy, the occupied land area is small, geothermal energy resources at deeper positions can be utilized, and the utilization rate of geothermal resources is high.
Furthermore, the low-environment-temperature air source heat pump air heater is adopted as a matched driving cold source and heat source, the energy consumption of the agricultural room is mainly heat supply in winter, during heat supply, the low-environment-temperature air source heat pump air heater is low in installation position of the indoor unit, the air supply port is close to the ground, good hot air clusters can be generated in the lower layer space of the agricultural room, the thermal comfort of a human body is improved, meanwhile, the low-environment-temperature air source heat pump air heater is convenient to install, partition time-sharing control can be achieved, instant heating can be achieved in winter, the air heater is adaptive to living habits of rural residents who frequently enter and exit the agricultural room, and the air heater.
Furthermore, based on the solar heat utilization technology, solar energy resources are obtained through the solar air heat collection device, the indoor air is directly heated by solar radiation, the heat supply of a farm house is realized, compared with a traditional solar hot water heat supply system, the energy acquisition mode, the conveying mode and the indoor tail end of the system are simplified, the solar air heat collection device is simple in structure and low in manufacturing cost, the circulating medium is air, the pipeline cannot be frozen at low temperature, meanwhile, in summer, the solar air heat collection device can play a role of a solar chimney, hot air rises and induces the indoor air to flow, and the natural flow of the indoor air is enhanced.
Drawings
FIG. 1 is a schematic view of a low energy consumption system for regulating the thermal environment in a farm room according to the present invention;
FIG. 2 is a schematic view of a solar air heat collecting device of the low energy consumption farm room indoor thermal environment regulating system of the present invention;
FIG. 3 is a schematic diagram of a low energy consumption system for regulating the thermal environment in a farm room according to the present invention;
FIG. 4 is a schematic view of a first buried air pipe of the low energy consumption agricultural room indoor thermal environment conditioning system of the present invention;
FIG. 5 is a schematic view of a second buried air duct of the low energy consumption agricultural room indoor thermal environment conditioning system of the present invention;
FIG. 6 is a schematic diagram of the use of the first function of the low energy farm room indoor thermal environment conditioning system of the present invention;
FIG. 7 is a schematic diagram of the use of the second function of the low energy farm room indoor thermal environment conditioning system of the present invention;
FIG. 8 is a schematic diagram of the use of a third function of the system for regulating the thermal environment in a low energy farm room according to the present invention;
FIG. 9 is a schematic diagram of the use of a fourth function of the system for regulating the thermal environment in a low energy farm room according to the present invention;
wherein, 1 is a farm room, 2 is a solar air heat collecting device, 201 is an air supply port, 202 is a clapboard, 203 is an air channel, 204 is a return air port, 205 is an exhaust valve, 206 is a glass cover plate, 207 is a heat absorbing plate, 208 is an insulating layer, 209 is a shell, 3 is a low ambient temperature air source heat pump air heater, 301 is an indoor unit, 301-1 is an indoor air supply port, 301-2 is a blower, 301-3 is an indoor side heat exchanger, 301-4 is a middle-high efficiency filter, 301-5 is an indoor unit second return air port, 301-6 is an indoor unit first return air port, 302 is an outdoor unit, 302-1 is a heat dissipation fan, 302-2 is an outdoor side heat exchanger, 302-3 is a compressor, 302-4 is a drying filter, 302-5 is a four-way reversing valve, 302-6 is a liquid storage device, 302-7 is a capillary throttle valve, 4 is a solar hot air valve, 5 is a tunnel air valve, 6 is a buried air pipe, 601 is an outlet section, 602 is an inlet section, 603 is a heat exchange section, 603-1 is an inner air pipe, 603-2 is an outer air pipe, 7 is an outdoor side air valve, 8 is an indoor side air valve, 9 is an outdoor air inlet, 10 is a rat-proof net, 11 is a coarse filter, 12 is a tunnel air return port, and 13 is a solar hot air return port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The general concept of the invention is: a low-energy-consumption rural house indoor thermal environment regulation and control system combines shallow geothermal energy and solar heat utilization technologies on a traditional split air conditioner, adopts a low-environment-temperature air source heat pump air heater as a matched active cold and heat source, can realize cooling in summer and heating in winter, meets the fresh air demand of indoor personnel, has good thermal comfort and energy-saving potential, and is suitable for being used in rural houses.
For a detailed description of the technical contents and the construction and objects of the present invention, reference will now be made to the accompanying drawings.
As shown in fig. 1 to 3, a low energy consumption system for regulating and controlling the indoor thermal environment of a farm room is characterized in that: the solar energy air heat collection system comprises a farm house 1, a solar energy air heat collection device 2, a low environment temperature air source heat pump air heater 3, a solar energy hot air valve 4, a tunnel air valve 5, a buried air pipe 6, an outdoor side air valve 7, an indoor side air valve 8, an outdoor air inlet 9, a rat guard net 10, a coarse filter 11, a tunnel air return port 12 and a solar energy hot air return port 13.
The low-environment-temperature air source heat pump air heater 3 comprises an indoor unit 301 and an outdoor unit 302, wherein the outdoor unit 301 is installed on the outdoor side of the agricultural room 1, the indoor unit 302 is installed on the lower portion of the indoor side of the agricultural room 1, the distance between the indoor unit 302 and the ground of the agricultural room 1 is not more than 20 cm, the air supply area of the indoor unit 302 is concentrated in the low-rise human body activity area of the agricultural room 1, and the indoor unit 302 is connected with a tunnel air valve 5 and a solar hot air valve 4 through air pipes; the underground air pipe 6 comprises an outlet section 601, an inlet section 602 and a heat exchange section 603, wherein the outlet section 601 and the inlet section 602 are positioned above the ground, and the heat exchange section 603 is positioned in shallow soil below the ground; the solar air heat collecting device 2 is positioned on the south slope roof of the farm house 1, can be directly irradiated by the sun in a whole, and is connected with a solar hot air return inlet 13 and a solar hot air valve 4.
The tunnel air return inlet 12 is located on the ceiling of the farm house 1 and connected with the indoor side air valve 8, the outdoor air inlet 9, the rat-proof net 10 and the coarse filter 11 are sequentially arranged and located on the outdoor side, the coarse filter 11 is connected with the outdoor side air valve 7, the outdoor side air valve 7 and the indoor side air valve 8 are simultaneously connected with the inlet section 602 of the buried air pipe 6, the inlet section 602, the heat exchange section 603 and the outlet section 601 are sequentially connected, the outlet section 901 is connected with the tunnel air valve 5, and all the parts are connected by air pipes.
The low-environment-temperature air source heat pump air heater 3 comprises an indoor unit 301 and an outdoor unit 302, wherein the indoor unit 301 comprises an indoor air supply outlet 301-1, a blower 301-2, an indoor side heat exchanger 301-3, a medium-high efficiency filter 301-4, an indoor unit first air return outlet 301-5 and an indoor unit second air return outlet 301-6, and the outdoor unit 302 comprises a heat radiation fan 302-1, an outdoor side heat exchanger 302-2, a compressor 302-3, a drying filter 302-4, a four-way reversing valve 302-5, a liquid storage 302-6 and a capillary throttle valve 302-7.
The indoor side heat exchanger 301-3 is connected with a capillary throttle valve 302-7, the capillary throttle valve 302-7 is connected with a liquid storage device 302-6, the liquid storage device 302-6 is connected with an outdoor side heat exchanger 302-2, the outdoor side heat exchanger 302-2 is connected with a V4 port of a four-way reversing valve 302-5, a V1 port of the four-way reversing valve 302-5 is connected with an exhaust port of the compressor 302-3, a V2 port of the four-way reversing valve 302-5 is connected with the indoor side heat exchanger 301-3, a V3 port of the four-way reversing valve 302-5 is connected with a drying filter 302-4, the drying filter 302-4 is connected with an air inlet of the compressor 302-3, and all the parts are connected by refrigerant pipelines.
An indoor air supply outlet 301-1, an air blower 301-2, an indoor heat exchanger 301-3, an intermediate high efficiency filter 301-4 and an indoor unit first air return inlet 301-5 in the indoor unit 301 are sequentially arranged, an indoor unit second air return inlet 301-6 is positioned at the top of the indoor unit 301 between the intermediate high efficiency filter 301-4 and the indoor unit first air return inlet 301-5, the indoor unit first air return inlet 301-5 is connected with a tunnel air valve 5 and a solar hot air valve 4 through an air pipe, the indoor unit 301 is communicated with a ground buried air pipe 6 and a solar air heat collecting device 2, outdoor fresh air and indoor return air through the ground buried air pipe 6, indoor return air through the solar air heat collecting device 2 and indoor return air through the indoor unit second air return inlet 301-6 can all flow into the agricultural room 1 under the driving of the air blower 301-2, when the four-way reversing valve is in a refrigerating working condition in summer, the V1 port and the V4 port of the four-way reversing valve 302-5 are communicated, and the V2 port and the V3 port are communicated; when the four-way reversing valve is in a heating working condition in winter, the V1 port and the V2 port of the four-way reversing valve 302-5 are communicated, and the V3 port and the V4 port are communicated.
The solar air heat collecting device 2 comprises an air supply port 201, a partition plate 202, an air channel 203, an air return port 204, an exhaust valve 205, a glass cover plate 206, a heat absorbing plate 207, a heat insulating layer 208 and a shell 209, wherein a cavity is formed between the glass cover plate 206 and the heat absorbing plate 207, the cavity is divided into continuous air channels 203 by the partition plates 202 which are arranged adjacently in a staggered manner, the heat insulating layer 208 is filled between the heat absorbing plate 207 and the shell 209, the exhaust valve 205 is positioned at the top of the solar air heat collecting device 2, the air supply port 201 and the air return port 204 are positioned at two ends of the air channel 203, wherein the air supply port 201 is connected with a solar hot air valve 4, the air return port 204 is connected with a solar hot air return port.
As can be seen from fig. 4, a first buried air duct structure of a heating and air conditioning system for a farm room is: the heat exchange section 603 of the underground air pipe 6 is formed by connecting a plurality of U-shaped air pipes, and the heat exchange section 603 is integrally and horizontally arranged in shallow soil and is completely contacted with the soil. The structure is suitable for newly-built agricultural houses, the heat exchange section 603 horizontal installation of the underground air pipe 6 can be carried out when the agricultural house foundation is treated, the construction difficulty is low, and the investment cost is low.
As can be seen from fig. 5, a second buried air duct structure of a heating and air conditioning system for a farm room is: the heat exchange section 603 of the underground air pipe 6 is composed of an inner air pipe 603-1 and an outer air pipe 603-2, the inner air pipe 603-1 is arranged in the outer air pipe 603-2, the bottom end of the outer air pipe 603-2 is sealed, the top end of the outer air pipe 603-2 is tightly contacted with the inner air pipe 603-1, and the whole heat exchange section 603 is vertically arranged in shallow soil and is completely contacted with the soil. This structure is applicable to existing rural power house, can carry out the vertical installation of heat transfer section 603 of buried air pipe 6, and the area of occupation land is little, and the feasibility of system transformation is higher, easily arranges in existing building, and the geothermal energy resource of usable deep position department, geothermal resource utilization is higher.
The rat-proof net 10 is a metal wire mesh made of stainless steel, the filtration efficiency of the coarse filter 11 on particles with equivalent diameter more than or equal to 5 microns is more than or equal to 70%, the filtration efficiency of the medium-high efficiency filter 301-4 on particles with equivalent diameter more than or equal to 1 micron is more than or equal to 90%, and the coarse filter 11 and the medium-high efficiency filter 301-4 can be replaced; the heat absorbing plate 6 is made of copper, and solar spectrum selective absorbing paint is coated on the heat absorbing plate 6.
A low energy consumption rural house indoor thermal environment regulation and control system can realize the first function: cooling and heating in summer by tunnel wind; the second function is: solar hot air supplies heat in winter; the third function is: the air source heat pump air heater supplies cold air at low ambient temperature, and the buried air pipe pre-cools the supplied air; the fourth function is: the air heater of the air source heat pump supplies heat at low ambient temperature, and the buried air pipe preheats fresh air. The method comprises the following specific steps:
(1) cooling and heating of tunnel wind in summer
As shown in fig. 6, in summer, when the outdoor temperature and the indoor temperature of the farm room 1 are high, the requirement of the residents in the farm room 1 on the indoor temperature is high, the indoor cooling load is small, and when the temperature of the shallow soil is low, the underground air pipe 6 can be used for cooling, so that the functional process is realized: closing a solar hot air valve 4 and a second air return inlet 301-6 of an indoor unit, opening an exhaust valve 205 and a tunnel air valve 5, adjusting the opening degrees of an outdoor air valve 7 and an indoor air valve 8 to realize different fresh air volume and indoor return air volume control, only opening a blower 301-2 of a low-ambient-temperature air source heat pump air heater 3, wherein all components on a refrigerant pipeline are not operated, outdoor fresh air enters a buried air pipe 6 through an outdoor air inlet 9, a rat-proof net 10, a coarse filter 11 and the outdoor air valve 7 in sequence, indoor return air enters the buried air pipe 6 through a tunnel air return inlet 12 and an indoor air valve 8 in sequence, the outdoor fresh air and the indoor return air are mixed and then sequentially pass through an inlet section 602, a heat exchange section 603 and an outlet section 601 of the buried air pipe 6, and when the mixed air passes through the heat exchange section 603, the mixed air is cooled by shallow soil and then passes through the tunnel air valve 5 in sequence, The first air return opening 301-5 of the indoor unit, the middle-high efficiency filter 301-4, the indoor side heat exchanger 301-3, the blower 301-2 and the indoor air supply opening 301-1 enter the farm room 1, so that cooling of tunnel air is realized, and the fresh air requirement of indoor personnel is met.
When solar radiation exists in the daytime in summer, hot air can be generated in the solar air heat collection device 2, the density of the hot air is small, the hot air can rise and flows out of the solar air heat collection device 2 through the exhaust valve 205, meanwhile, indoor air is induced to enter the solar air heat collection device 2 through the solar hot air return air inlet 13, the indoor air rises again after being heated and flows out of the solar air heat collection device 2, at the moment, the solar air heat collection device 2 plays a role of a solar chimney, and the natural flow of the indoor air is accelerated.
As shown in fig. 4, when there is no solar radiation at night or in the daytime in winter, the temperature requirement of the residents in the farm room 1 on the indoor temperature is low, the indoor heat supply load is small, the temperature of the shallow soil is high, the heat can be supplied through the underground air pipe 6, the function process is basically consistent with the cooling process of the tunnel air, the difference is that the exhaust valve 205 needs to be closed to prevent heat dissipation, when the outdoor fresh air and the indoor return air are mixed and then pass through the heat exchange section 603, the heat exchange is realized with the shallow soil, the mixed air is heated and then enters the farm room 1, the heat supply of the tunnel air is realized, and the fresh air requirement of indoor personnel is met.
When the requirement of indoor personnel on fresh air is not high, at the moment, the system mainly needs cooling or heat supply, the outdoor side air valve 7 can be closed, the full return air circulation tunnel air is used for cooling or heat supply, and the indoor load is reduced.
(2) Solar hot air winter heating
As shown in figure 7, when solar radiation exists in the daytime in winter, the outdoor temperature and the indoor temperature of the agricultural room 1 are lower, heat can be supplied through the solar air heat collecting device 2, and the function process is realized as follows: closing the underground air valve 5, the second air return inlet 301-6 of the indoor unit, the exhaust valve 205, the outdoor air valve 7 and the indoor air valve 8, opening the solar hot air valve 4, only opening the blower 301-2 of the low-ambient-temperature air source heat pump air heater 3, keeping all components on the refrigerant pipeline from operating, allowing indoor return air to enter the solar air heat collecting device 2 through the solar hot air return inlet 13, entering the air channel 203 through the return air port 204, allowing sunlight to penetrate through the glass cover plate 206 and irradiate the heat absorbing plate 207, allowing the heat absorbing plate 207 to absorb solar radiation heat, heating circulating air in the air channel 203, allowing the heat insulating layer 208 to prevent heat collected in the air channel 203 from being rapidly dissipated, allowing the heated air to flow out of the solar air heat collecting device 2 through the air supply port 201, and allowing the heated air to flow out of the solar air heat collecting device 2 through the solar hot air valve 4, the, The indoor heat exchanger 301-3, the blower 301-2 and the indoor air supply outlet 301-1 enter the farm room 1 to realize solar hot air heat supply.
When solar hot air supplies heat and needs fresh air supplement, the underground air valve 5 and the outdoor air valve 7 can be opened, the opening degree of the outdoor air valve 7 is adjusted, the appropriate fresh air demand is determined, outdoor fresh air enters the room after being preheated by the underground air pipe (6), the indoor fresh air demand is met, and meanwhile the fresh air load is reduced.
(3) Air source heat pump air heater for cooling at low ambient temperature, and pre-cooling air supply by underground air pipe
As shown in fig. 8, in summer, when outdoor and the indoor temperature of the farm room 1 are high, the requirement of the residents in the farm room 1 on the indoor temperature is low, then the indoor cooling load is large, when the cooling capacity of the tunnel air is insufficient, the air needs to be supplied by the low-environment-temperature air source heat pump air heater 3, and meanwhile, the fresh air needs are met, the underground air pipe 6 is adopted to pre-cool the supplied air, and the function process is realized: closing a solar hot air valve 4, opening an exhaust valve 205 and a tunnel air valve 5, adjusting the opening degrees of an outdoor side air valve 7 and an indoor side air valve 8 to realize different fresh air volume and indoor return air volume control, opening a low-environment-temperature air source heat pump air heater 3 to adjust to a summer refrigeration working condition, allowing outdoor fresh air to enter a buried air pipe 6 sequentially through an outdoor air inlet 9, a rat guard net 10, a coarse filter 11 and the outdoor side air valve 7, allowing indoor return air to enter the buried air pipe 6 sequentially through a tunnel air return inlet 12 and an indoor side air valve 8, mixing the outdoor fresh air and the indoor return air, sequentially passing through an inlet section 602, a heat exchange section 603 and an outlet section 601 of the buried air pipe 6, and when the mixed air passes through the heat exchange section 603, pre-cooling the mixed air by shallow soil, sequentially passing through the tunnel air valve 5, a first return air inlet 301-5 and a medium-high efficiency filter 301-4, The indoor heat exchanger 301-3, the blower 301-2 and the indoor air supply outlet 301-1 enter the farm room 1, and when the mixed air passes through the indoor heat exchanger 301-3, the mixed air is cooled again until the indoor temperature requirement is met, so that the air supply of the air source heat pump air heater 3 with low ambient temperature is realized, and the buried air pipe pre-cools the supplied air.
In the summer refrigeration working condition, the working process of the refrigerant pipeline of the air heater 3 of the low-environment-temperature air source heat pump is as follows: the V1 port and the V4 port of a four-way reversing valve 302-5 of a low-environment-temperature air source heat pump air heater 3 are communicated, the V2 port and the V3 port are communicated, refrigerant in an outdoor heat exchanger 302-2 condenses and releases heat outdoors to become liquid refrigerant with medium temperature and high pressure, the liquid refrigerant with medium temperature and high pressure enters an accumulator 302-6, the accumulator 302-6 can store redundant refrigerant when the flow of the refrigerant changes, the refrigerant is changed into liquid refrigerant with medium temperature and low pressure through the throttling function of a capillary tube throttle valve 302-7, the liquid refrigerant with medium temperature and low pressure enters an indoor heat exchanger 301-3 to be evaporated and absorb heat and then changed into low-temperature and low-pressure gaseous refrigerant, thereby the purpose of refrigeration is realized, the low-temperature and low-pressure gaseous refrigerant enters a compressor 302-3 through the four-way, the dry filter 302-4 is used for filtering liquid refrigerant carried in the gaseous refrigerant, while the high-temperature and high-pressure gaseous refrigerant returns to the outdoor heat exchanger 302-2 again to condense and release heat, and the heat dissipation fan 302-1 is used for assisting the outdoor heat exchanger 302-2 in heat exchange.
(4) The air source heat pump air heater with low environmental temperature supplies heat, and the buried air pipe preheats fresh air
As shown in fig. 9, when there is no solar radiation at night or day in winter, and outdoor and farm room 1 indoor temperature is lower, the resident of farm room 1 has higher requirement for indoor temperature, then indoor heat load is greater, when the heat supply capacity of tunnel wind is not enough, it needs to supply heat through low ambient temperature air source heat pump air heater 3, and there is a fresh air demand simultaneously, adopts buried air pipe 6 to preheat the fresh air, realizes that this functional process is: closing an indoor side air valve 8, a solar hot air valve 4 and an exhaust valve 205, opening a tunnel air valve 5 and an indoor second air return opening 301-6, adjusting the opening degree of an outdoor side air valve 7 to realize different fresh air volume control, allowing outdoor fresh air to enter an underground air pipe 6 through an outdoor air inlet 9, a rat guard net 10, a coarse filter 11 and the outdoor side air valve 7 in sequence, then allowing the outdoor fresh air to pass through an inlet section 602, a heat exchange section 603 and an outlet section 601 of the underground air pipe 6 in sequence, heating the outdoor fresh air by shallow soil when the outdoor fresh air passes through the heat exchange section 603, mixing the outdoor fresh air with indoor return air entering from the indoor second air return opening 301-6 through the tunnel air valve 5 and an indoor machine first air return opening 301-5, then allowing the mixed air to enter a farm house 1 through a medium-efficiency filter 301-4, an indoor side heat exchanger 301-3, a blower 301-2 and an indoor air supply opening 301-, when the mixed air passes through the indoor side heat exchanger 301-3, the mixed air is heated again until the indoor temperature requirement is met, the heat supply of the air source heat pump air heater 3 with low environmental temperature is realized, the buried air pipe 6 preheats fresh air, and the fresh air requirement of indoor personnel is met.
During the heating working condition in winter, the working process of the refrigerant pipeline of the air heater 3 of the low-environment-temperature air source heat pump is as follows: the V1 port and the V2 port of a four-way reversing valve 302-5 of a low ambient temperature air source heat pump air heater 3 are connected, the V3 port and the V4 port are connected, refrigerant in an outdoor side heat exchanger 302-2 is evaporated to the outdoor and absorbs heat and then becomes low-temperature low-pressure gaseous refrigerant, the low-temperature low-pressure gaseous refrigerant enters a compressor 302-3 through the four-way reversing valve 302-5 and a drying filter 302-4 and is compressed into high-temperature high-pressure gaseous refrigerant, the drying filter 302-4 is used for filtering liquid refrigerant carried in the gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant enters an indoor side heat exchanger 301-3 to be condensed and released heat and then becomes medium-temperature high-pressure liquid refrigerant, thereby the heating purpose is realized, the medium-temperature high-pressure liquid refrigerant is changed into medium-, the medium-temperature low-pressure liquid refrigerant returns to the outdoor heat exchanger 302-2 again through the accumulator 302-6 to be evaporated and absorb heat, the heat dissipation fan 302-1 is used for assisting the outdoor heat exchanger 302-2 to exchange heat, and the accumulator 302-6 can store redundant refrigerant when the refrigerant flow changes.
For the above functions, the rat-proof net 10 can prevent outdoor insects and rats from entering the buried air pipe 6, the coarse filter 11 can filter larger particle pollutants in outdoor air, and the medium-high efficiency filter 5 can filter smaller particle pollutants in outdoor air or outdoor air and indoor return air, so that the indoor air quality is improved.

Claims (6)

1. The utility model provides an indoor thermal environment regulation and control system of low energy consumption rural power house which characterized in that: the solar energy air heat collection system comprises a farm room (1), a solar energy air heat collection device (2), a low environment temperature air source heat pump air heater (3), a solar energy hot air valve (4), a tunnel air valve (5), a buried air pipe (6), an outdoor side air valve (7), an indoor side air valve (8), an outdoor air inlet (9), a rat-proof net (10), a coarse filter (11), a tunnel air return port (12) and a solar energy hot air return port (13);
the low-environment-temperature air source heat pump air heater (3) comprises an indoor unit (301) and an outdoor unit (302), wherein the outdoor unit (302) is installed on the outdoor side of the agricultural room (1), the indoor unit (301) is installed on the lower portion of the indoor side of the agricultural room (1) and is not more than 20 cm away from the ground of the agricultural room (1), an air supply area of the indoor unit (301) is concentrated in a low-rise human body activity area of the agricultural room (1), and the indoor unit (301) is connected with a tunnel air valve (5) and a solar hot air valve (4) through air pipes;
the underground air pipe (6) comprises an outlet section (601), an inlet section (602) and a heat exchange section (603), wherein the outlet section (601) and the inlet section (602) are positioned above the ground, and the heat exchange section (603) is positioned in shallow soil below the ground;
the solar air heat collecting device (2) is positioned on the south slope roof of the farm house (1), can be directly irradiated by the sun in all directions and is connected with a solar hot air return inlet (13) and a solar hot air valve (4); the solar air heat collecting device (2) comprises an air supply port (201), a partition plate (202), an air channel (203), an air return port (204), an exhaust valve (205), a glass cover plate (206), a heat absorbing plate (207), a heat insulating layer (208) and a shell (209), wherein a cavity is formed between the glass cover plate (206) and the heat absorbing plate (207), the cavity is divided into continuous air channels (203) by the partition plates (202) which are arranged adjacently in a staggered manner in height, the heat insulating layer (208) is filled between the heat absorbing plate (207) and the shell (209), the exhaust valve (205) is positioned at the top of the solar air heat collecting device (2), the air supply port (201) and the air return port (204) are positioned at two ends of the air channel (203), the air supply port (201) is connected with a solar hot air valve (4), the return air port (204) is connected with a solar hot air return opening (13), and all the parts are connected by air pipes;
the tunnel air return inlet (12) is located on the ceiling of the farm house (1) and connected with the indoor side air valve (8), the outdoor air inlet (9), the rat guard net (10) and the coarse filter (11) are sequentially arranged and are located on the outdoor side, the coarse filter (11) is connected with the outdoor side air valve (7), the outdoor side air valve (7) and the indoor side air valve (8) are simultaneously connected with the inlet section (602) of the buried air pipe (6), the inlet section (602), the heat exchange section (603) and the outlet section (601) are sequentially connected, the outlet section (901) is connected with the tunnel air valve (5), and all the parts are connected by air pipes.
2. The system for regulating and controlling the indoor thermal environment of the low-energy-consumption farm room as claimed in claim 1, wherein: the low-environment-temperature air source heat pump air heater (3) comprises an indoor unit (301) and an outdoor unit (302), wherein the indoor unit (301) comprises an indoor air supply outlet (301-1), a blower (301-2), an indoor side heat exchanger (301-3), a middle-high efficiency filter (301-4), an indoor unit first air return opening (301-5) and an indoor unit second air return opening (301-6), and the outdoor unit (302) comprises a heat radiation fan (302-1), an outdoor side heat exchanger (302-2), a compressor (302-3), a drying filter (302-4), a four-way reversing valve (302-5), a liquid reservoir (302-6) and a capillary throttle valve (302-7);
the indoor side heat exchanger (301-3) is connected with a capillary throttle valve (302-7), the capillary throttle valve (302-7) is connected with a liquid storage device (302-6), the liquid storage device (302-6) is connected with an outdoor side heat exchanger (302-2), the outdoor side heat exchanger (302-2) is connected with a V4 port of a four-way reversing valve (302-5), a V1 port of the four-way reversing valve (302-5) is connected with an exhaust port of a compressor (302-3), a V2 port of the four-way reversing valve (302-5) is connected with the indoor side heat exchanger (301-3), a V3 port of the four-way reversing valve (302-5) is connected with a drying filter (302-4), the drying filter (302-4) is connected with an air inlet of the compressor (302-3), and all the connections are refrigerant pipeline connections;
an indoor air supply outlet (301-1), an air feeder (301-2), an indoor heat exchanger (301-3), a medium-high efficiency filter (301-4) and an indoor first air return inlet (301-5) are sequentially arranged in the indoor unit (301), an indoor second air return inlet (301-6) is positioned at the top of the indoor unit (301) between the medium-high efficiency filter (301-4) and the indoor first air return inlet (301-5), the indoor first air return inlet (301-5) is connected with a ground air valve (5) and a solar hot air valve (4) through an air pipe, the indoor unit (301) is communicated with a ground air pipe (6) and a solar air heat collecting device (2), outdoor fresh air and indoor return air through the ground air pipe (6), indoor return air through the solar air heat collecting device (2) and indoor return air through the second air return inlet (301-6) can be conducted on the air feeder (301-2) Is driven to flow into the room of the farm room (1);
when the four-way reversing valve (302-5) is in a refrigerating working condition in summer, the V1 port and the V4 port of the four-way reversing valve are communicated, and the V2 port and the V3 port are communicated; when the four-way reversing valve (302-5) is in a heating working condition in winter, the V1 port and the V2 port of the four-way reversing valve are communicated, and the V3 port and the V4 port are communicated.
3. The system for regulating and controlling the indoor thermal environment of the low-energy-consumption farm room as claimed in claim 1, wherein: the heat exchange section (603) of the underground air pipe (6) is formed by connecting a plurality of U-shaped air pipes, and the heat exchange section (603) is horizontally arranged in shallow soil and is completely contacted with the soil, so that the heat exchange section is suitable for being used in a newly-built farm house.
4. The system for regulating and controlling the indoor thermal environment of the low-energy-consumption farm room as claimed in claim 1, wherein: the heat exchange section (603) of the underground air pipe (6) is composed of an inner air pipe (603-1) and an outer air pipe (603-2), the inner air pipe (603-1) is arranged in the outer air pipe (603-2), the bottom end of the outer air pipe (603-2) is sealed, the top end of the outer air pipe (603-2) is tightly contacted with the inner air pipe (603-1), and the heat exchange section (603) is integrally and vertically arranged in shallow soil and is completely contacted with the soil, so that the heat exchange section is suitable for being used in the reconstruction of new farmhouse and existing farmhouse.
5. The system for regulating and controlling the indoor thermal environment of the low-energy-consumption farm room as claimed in claim 2, wherein: the rat guard (10) is a stainless steel wire mesh, the filtration efficiency of the coarse filter (11) on particles with equivalent diameter larger than or equal to 5 microns is larger than or equal to 70%, the filtration efficiency of the medium-high efficiency filter (301-4) on particles with equivalent diameter larger than or equal to 1 micron is larger than or equal to 90%, and the coarse filter (11) and the medium-high efficiency filter (301-4) can be replaced.
6. The system for regulating and controlling the indoor thermal environment of the low-energy-consumption farm room as claimed in claim 1, wherein: the heat absorbing plate (6) is made of copper, and solar spectrum selective absorbing paint is coated on the heat absorbing plate (6).
CN201911046564.8A 2019-10-30 2019-10-30 Low-energy-consumption rural house indoor thermal environment regulation and control system Active CN110671770B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911046564.8A CN110671770B (en) 2019-10-30 2019-10-30 Low-energy-consumption rural house indoor thermal environment regulation and control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911046564.8A CN110671770B (en) 2019-10-30 2019-10-30 Low-energy-consumption rural house indoor thermal environment regulation and control system

Publications (2)

Publication Number Publication Date
CN110671770A CN110671770A (en) 2020-01-10
CN110671770B true CN110671770B (en) 2021-04-16

Family

ID=69085414

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911046564.8A Active CN110671770B (en) 2019-10-30 2019-10-30 Low-energy-consumption rural house indoor thermal environment regulation and control system

Country Status (1)

Country Link
CN (1) CN110671770B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111713315B (en) * 2020-06-02 2024-04-26 内蒙古工业大学 A soil heat exchange device for facility agriculture that realizes heat storage, heating and pest control
CN111720906B (en) * 2020-06-24 2021-04-27 深圳市佰邦建筑设计顾问有限公司 Solar heat supply and tunnel wind combined system
CN112254195B (en) * 2020-10-21 2021-10-29 嘉兴卓十生物科技有限公司 A kind of bath heat preservation machine heated by new energy
CN112833486A (en) * 2021-01-21 2021-05-25 甘肃第三建设集团有限公司 Shallow geothermal exchange system in cold region and construction method thereof
CN113757775B (en) * 2021-05-17 2023-04-28 北京森博特能源科技有限公司 Building heating balance control system and method
WO2023236074A1 (en) * 2022-06-08 2023-12-14 安徽理工大学 Rooftop air conditioning system based on solar energy and waste heat recovery, and use method
CN115104537B (en) * 2022-07-20 2024-07-05 青岛海岚环境设备有限公司 Chimney type mixed air inlet machine and ventilation mode thereof
CN115289719A (en) * 2022-07-28 2022-11-04 大连理工大学 A Novel Air Circulation Heat Pump System Using Tunnel Wind and Solar Coupling
GB2627324A (en) * 2022-09-15 2024-08-21 Univ Qingdao Technology Intelligent new energy rural house temperature regulation and control system integrating tunnel air and solar energy
CN115540021A (en) * 2022-09-15 2022-12-30 青岛理工大学 Intelligent new energy farm house temperature regulation and control system integrated by tunnel wind and solar energy

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132344A (en) * 1977-12-31 1979-10-15 Inobashionzufueruderungusu Ent Indoor temperature adjusting method and building * which temperature is adjusted by said method
CN102425833A (en) * 2011-11-28 2012-04-25 同济大学 Residential tunnel air cooling system and operation control method thereof
CN102589078A (en) * 2012-02-27 2012-07-18 新奥科技发展有限公司 Ventilation system and operation method thereof
CN103900142A (en) * 2014-04-14 2014-07-02 中国建筑科学研究院 Villages and small towns house is with solar energy air combination heating system
CN204006720U (en) * 2014-07-30 2014-12-10 张勇 Grid air duct type multipurpose solar heat collector
CN205137762U (en) * 2015-11-16 2016-04-06 河北工业大学 Low energy consumption building new trend system
CN206245530U (en) * 2015-12-29 2017-06-13 冯刚克 Ground source heat solar-energy ecological type is built
CN107560038A (en) * 2017-08-29 2018-01-09 西安工程大学 Evaporative cooling air conditioning machine group based on air through tunnel and vertical plate heat exchanger
CN104879863B (en) * 2015-02-18 2018-03-20 西南科技大学 A kind of indoor air conditioning system and air conditioning method of Solar wall gravity-flow ventilation
CN207674650U (en) * 2017-12-13 2018-07-31 天津大学建筑设计研究院 Air-conditioning system based on civil buildings air through tunnel
KR20180117267A (en) * 2017-04-19 2018-10-29 (주)센도리 Heating and cooling system of building using PVT
CN108917063A (en) * 2018-08-20 2018-11-30 河北工业大学 The cold, heat and power triple supply system provided multiple forms of energy to complement each other is built for only suitable for villages and small towns

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986904A (en) * 1959-09-04 1961-06-06 Carl C Williamson Heat pump space heating system
CN102102908B (en) * 2011-03-14 2012-12-12 淮海工学院 Vacuum film coating-free flat-plate solar collector integrated with building
CN204902066U (en) * 2015-07-07 2015-12-23 重庆交通大学 Novel new trend wind channel pretreatment systems
CN207132487U (en) * 2017-04-13 2018-03-23 西安工程大学 A kind of recovery type evaporative cooling air conditioning unit using air through tunnel
CN208859752U (en) * 2018-06-15 2019-05-14 华南理工大学 A device for adjusting the building environment by using the air of the urban pipe gallery

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132344A (en) * 1977-12-31 1979-10-15 Inobashionzufueruderungusu Ent Indoor temperature adjusting method and building * which temperature is adjusted by said method
CN102425833A (en) * 2011-11-28 2012-04-25 同济大学 Residential tunnel air cooling system and operation control method thereof
CN102589078A (en) * 2012-02-27 2012-07-18 新奥科技发展有限公司 Ventilation system and operation method thereof
CN103900142A (en) * 2014-04-14 2014-07-02 中国建筑科学研究院 Villages and small towns house is with solar energy air combination heating system
CN204006720U (en) * 2014-07-30 2014-12-10 张勇 Grid air duct type multipurpose solar heat collector
CN104879863B (en) * 2015-02-18 2018-03-20 西南科技大学 A kind of indoor air conditioning system and air conditioning method of Solar wall gravity-flow ventilation
CN205137762U (en) * 2015-11-16 2016-04-06 河北工业大学 Low energy consumption building new trend system
CN206245530U (en) * 2015-12-29 2017-06-13 冯刚克 Ground source heat solar-energy ecological type is built
KR20180117267A (en) * 2017-04-19 2018-10-29 (주)센도리 Heating and cooling system of building using PVT
CN107560038A (en) * 2017-08-29 2018-01-09 西安工程大学 Evaporative cooling air conditioning machine group based on air through tunnel and vertical plate heat exchanger
CN207674650U (en) * 2017-12-13 2018-07-31 天津大学建筑设计研究院 Air-conditioning system based on civil buildings air through tunnel
CN108917063A (en) * 2018-08-20 2018-11-30 河北工业大学 The cold, heat and power triple supply system provided multiple forms of energy to complement each other is built for only suitable for villages and small towns

Also Published As

Publication number Publication date
CN110671770A (en) 2020-01-10

Similar Documents

Publication Publication Date Title
CN110671770B (en) Low-energy-consumption rural house indoor thermal environment regulation and control system
CN102589078B (en) Ventilation systems and methods of operation
CN109373610B (en) Heat supply and cold supply system with solar energy and underground water combined energy supply
US20100300430A1 (en) Kind of active thermoregulation system without motivity and the method thereof
CN103835447B (en) The hot airflow power generation of building integration ventilates and heating system
CN101799196A (en) Novel superficial geothermal energy, solar energy and wind energy integrated building air conditioning system
CN101603716A (en) A ground source heat pump radiant air conditioning system and fresh air treatment method thereof
CN106857110A (en) A kind of agricultural greenhouse plant seasonal comprehensive temperature control system and temperature control method
CN104792067A (en) Ground-source solar heat pump heat supplying system for greenhouse and control method of heat supplying system
CN111637651A (en) Method and device for acquiring and releasing condensation heat of underground heat exchange tube
CN201575542U (en) Self-contained dehumidification air conditioner of external-melt ice-thermal-storage humidity conditioning and underground water temperature regulation
CN101354169B (en) Unpowered and active temperature adjustment system and method
CN102889005A (en) Pyramid type solar energy and natural energy environmental-friendly building
CN103267329A (en) Refrigeration, supply heat and hot water system capable of performing solar evaporative cooling and capillary radiation
CN102087038A (en) Independent dehumidification air conditioning method and device for adjusting humidity by using external ice-melting cold storage and adjusting temperature by using underground water
CN210602095U (en) Tunnel air cooling and solar hot air heating composite system
CN1415910A (en) Heat supply and air conditioning system through pipeline buried underground and its application
CN204757450U (en) Soil source solar thermal energy pump warmhouse booth heating system
CN104154619A (en) Method for driving natural ventilation air conditioning system of building hollow structure to conduct ventilation by solar energy
CN210602094U (en) Heat supply and air conditioning system for agricultural room
CN103900142A (en) Villages and small towns house is with solar energy air combination heating system
CN107036214A (en) A kind of solar air-conditioner system
CN108224623B (en) Passive fresh air system using dry air energy and solar energy as driving energy
CN112710038B (en) Unpowered cooling and heat storage wall system and working method
CN214039016U (en) Device for acquiring and releasing condensation heat of underground heat exchange pipe

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant