CN111473410A - Ground source self-circulation heat pipe coupling air conditioner - Google Patents

Ground source self-circulation heat pipe coupling air conditioner Download PDF

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CN111473410A
CN111473410A CN202010318093.8A CN202010318093A CN111473410A CN 111473410 A CN111473410 A CN 111473410A CN 202010318093 A CN202010318093 A CN 202010318093A CN 111473410 A CN111473410 A CN 111473410A
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ground source
pipe
ground
air
heat exchange
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奉政一
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • 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
    • F24F5/005—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 energy from the ground by air circulation, e.g. "Canadian well"
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/247—Active noise-suppression
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/54—Free-cooling systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

A ground source is from circulating heat pipe coupling air conditioning equipment, feed into U type tip by one end ground source heat transfer refrigerant liquid pipe, the other end ground source heat transfer refrigerant trachea is unequal in length, set up one section thermal-insulated flow protective cover on at least one root canal, two sealed pipelines of tip fill nitrogen gas and as the drum inner core and wind around, until the outermost is U type tip, this heat transfer refrigerant pipe is set up to the ground source downthehole, the trachea connects the ground source air cooler, the liquid pipe connects the ground source indoor set, the ground source air cooler is laminated on the air inlet side of the outdoor set of air conditioner, the preferred structure is that ground source air cooler and air conditioner air cooler adopt the same fin, and face sunshine, realize indoor outdoor dual system dual fail safe heating, cooling, automatic cycle is free to release heat and store up cold in winter, free cooling in summer, and realize CO2 cycle storage sunshine heat and free.

Description

Ground source self-circulation heat pipe coupling air conditioner
Technical Field
The invention relates to the technical field of refrigeration and heat pumps, in particular to a ground source self-circulation heat pipe coupling air conditioning device, which relates to a device that a ground source fin heat exchanger is attached to the outside of the existing air conditioning outdoor unit, is connected with a refrigerant circulation ground source pipe to release heat and store cold in winter and supply cold freely to the indoor in summer.
Background
The traditional air-cooled air conditioner has huge social reserve and has the defects that the energy efficiency ratio and the heating capacity in winter are seriously reduced along with the low temperature, electricity is needed for auxiliary heating in severe cold weather, frost is often formed at the temperature lower than 3 ℃, the defrosting power consumption is serious, the refrigeration in summer also consumes huge power, the human electric power energy safety is concerned, the water pipe heat exchange ground source heat pump not only consumes very much power for a compressor, but also is easy to freeze in winter, the heating temperature is limited, the demand balance between areas where heat is extracted in summer and is extracted in winter cannot be achieved at all, and either the heating or the cooling effect is more and more poor.
US2010/0252229A1 and 2011800727523 ground source pipe refrigerant circulation patent of the inventor, adopt the compressor oil return difficulty and have no industrial practicality, only use the pump circulation to supply cold and do not have a large amount of supplementary cold energy in winter, the ground temperature rise effect is more and more poor year by year, there is not industrial practicality engineering benefit not good, the ground source heat pump system can only be a set of unit system of every household basically because of the cost reason at present, in case leak the trouble, not only this family can't heat or refrigerate, the changes in temperature of the whole building is paralyzed, has seriously influenced life.
The invention discloses a 201810554994.X ground source heat pipe self-circulation type building cooling and heating system which is a single-loop system, does not recycle the transformation of the heat pump air conditioner of the old building, influences the large-scale industrial application and is also used.
Disclosure of Invention
The invention aims to provide a ground source circulating heat pipe coupling air conditioning device, which relates to a ground source circulating heat pipe coupling air conditioning device, and is characterized in that a fin heat exchanger connected with a ground source pipe is attached to the air inlet side of a traditional heat pump air conditioning heat exchanger and is connected with a refrigerant circulating heat exchange pipeline in a ground source hole through a pipeline, the refrigerant evaporation formed by the fact that the temperature in the ground source hole is higher than the outdoor temperature in winter is utilized, the automatic heat release circulation is realized through the single-branch heat exchange of a U-shaped pipe and the single-branch heat preservation, heat is provided for the traditional air conditioning through the heat release of an outdoor fin heat exchanger, the natural cold energy obtained after the heat release is simultaneously stored in the soil in the ground source hole, and the low-temperature refrigerant in a ground source micro.
The technical scheme is as follows:
the ground source is from circulation heat pipe coupling air conditioning equipment, includes: a ground source heat exchange refrigerant liquid pipe (1), a ground source heat exchange refrigerant gas pipe (2), a U-shaped end part (3), a heat insulation flow protection sleeve (4), a sleeve joint fixing device (5), a sealing end (6) and pressure maintaining nitrogen (7), wherein one metal pipe or other heat conducting material pipes are used for stretching the ground source heat exchange refrigerant liquid pipe (1) with a thin end and the ground source heat exchange refrigerant gas pipe (2) with a thick end, or two thick and thin pipe sleeves are used for connecting and fixing the metal pipe (5) which comprises plastic-coated metal pipes with uniform diameter, the ground source heat exchange refrigerant liquid pipe (1) and the ground source heat exchange refrigerant gas pipe (2) are fed into the U-shaped end part (3), wherein the heat insulation flow protection sleeve (4) with the length of more than 1/5 is arranged on at least one branch pipe, the head parts of the two gas and liquid pipes are used as the sealing end (6), nitrogen (7) is filled in the pipeline before sealing, until the outermost surface of the wire coil is a U-shaped end part, a pressure gauge can be arranged at the sealing end part (3).
The method comprises the following steps: the ground source hole (8), the ground source indoor unit (9), the ground source air cooler (10), the valve (12), the air conditioner outdoor unit (14), the compressor (15), the air conditioner air cooler (16), the air conditioner indoor unit (17), the ground source heat exchange refrigerant liquid pipe (1) and the U-shaped end portion (3) connected with the ground source heat exchange refrigerant gas pipe (2) are arranged at the bottom of the ground source hole (8), the upper port of the ground source air cooler (10) is connected with the ground source heat exchange refrigerant gas pipe (2), the lower port of the ground source air cooler is connected with the ground source heat exchange refrigerant liquid pipe (1), the ground source air cooler (10) is attached to the air conditioner air cooler (16) air inlet side of the air conditioner outdoor unit (14), the preferable structure is that the ground source air cooler (10) and the air conditioner air cooler (16) adopt uniform fins facing sunlight, the valve (12) is connected in series on the upper or lower end pipeline of the ground source air cooler (10), and the two ends of the valve (12) are, a compressor (15) in the air-conditioning outdoor unit (14) is connected with an air-conditioning indoor unit (17).
Further comprising the following steps: the ground source indoor unit (9) is a fan coil, a refrigeration radiation plate and a micro-tube floor heating system, and the amount of refrigerant charging liquid in the ground source tube is larger than the volume of the ground source heat exchange pipeline.
The method comprises the following steps: refrigerant liquid pump (19), double-pipe heat exchanger (9-1), air conditioning indoor set (17) adopt ground or ceiling microtubule heat exchanger, its characterized in that: the ground source heat exchange refrigerant liquid pipe (1) is connected with a liquid pipeline of a ground source indoor unit (9) through a refrigerant liquid pump (19), the ground source indoor unit (9) can adopt a double-pipe heat exchanger (9-1) or a plate heat exchanger, the other two ports of the ground source indoor unit are connected in series between two groups of ground or ceiling micro-pipe heat exchanger pipelines, the ground source indoor unit (9) or adopts a fin type cover to cover the outside of the air conditioner indoor unit, and the refrigerant liquid pump (19) is controlled by a fan switch of the air conditioner indoor unit.
Further comprising the following steps: the ground source heat exchange system comprises a three-way valve (20), a ground heat insulation layer (21), a pressure sensor (22) and a micro-pipe heat exchanger (23), wherein the ground heat insulation layer (21) is arranged on the upper portion of a ground source hole (8) after a heat exchange refrigerant pipe is arranged in the ground source hole, a ground source heat exchange refrigerant pipe (2) is connected with a common port of the three-way valve (20), a lower port of the three-way valve (20) is connected with a ground source air cooler (10), an upper port of the three-way valve (20) is connected with the micro-pipe heat exchanger (23) in series and connected with a ground source indoor unit (9), the other port of the ground source indoor unit (9) is connected with an outlet of a refrigerant liquid pump (19) and the other port of the ground source air cooler (10) through an electromagnetic.
The method comprises the following steps: the air conditioner indoor unit (17) adopts a ground micro-tube heat exchanger, the outlet of a compressor (15) is connected with the inlet of the water heater (24), the outlet of the water heater (24) is connected with the ground micro-tube heat exchanger (17) through the throttle valve (25), the outlet of the ground micro-tube heat exchanger (17) is connected with the lower port of an air conditioner air cooler (16) through the throttle valve (26), the upper port (16) of the air conditioner air cooler is connected with the inlet of the compressor (15), and the water heater (24) is provided with a tap water inlet and a hot water outlet.
The method comprises the following steps: a cold and warm switching valve (18), and the compressor (15) is connected with the air conditioner air cooler (16) and the air pipe end of the air conditioning indoor unit (17) through the cold and warm switching valve (18).
Further, the method comprises the following steps: indoor return air duct (27), indoor air outlet (28), new trend filter (29), indoor humidifier (30), liquid storage pot (13) set up to air condensing units (14) top solar energy and hide the snow apron, ground source indoor set (9) set up in air condensing units (14) for the fin structure, air condensing units (14) box upper portion is indoor return air duct (27), air condensing units (14) box lower part is air outlet channel (28) of connecting each room, set up new trend filter (29) bottom the off-premises station box, set up condensate humidifier (30) bottom the box stand, ground source heat transfer refrigerant trachea (2) coil compressor (15) outside earlier and connect air conditioner forced air cooler (16) import again, indoor set (17) of air conditioner adopts indoor ground microtube heat exchanger.
The method comprises the following steps: ground source hole (8), ground insulating layer (21), its characterized in that: a central part in one region is provided with a hot ground source hole A, a warm ground source hole B extends outwards, a cold ground source hole C extends outwards, ground source heat exchange refrigerant gas pipes (2) in each ground source hole are sequentially connected with ground source heat exchange refrigerant liquid pipes (1) in series, ground heat insulation layers (21) are uniformly arranged on the upper parts of all the ground source holes, an outlet pipeline in the hot ground source hole A is the ground source heat exchange refrigerant gas pipes (2), and an outlet pipeline in the cold ground source hole is the ground source heat exchange refrigerant liquid pipe (1).
Further comprising the following steps: ground source indoor set (9), ground source air cooler (10), check valve (11), liquid storage pot (13), ground insulating layer (21), microtubule heat exchanger (23), heat transfer sunshine ware (31), three-way valve (32), three-way valve (33), its characterized in that: a ground source heat exchange refrigerant gas pipe (2) of a hot ground source hole A is connected with a common port of a three-way valve (32), the left ports of the three-way valve (32) and the three-way valve (33) are connected with an outlet of a solar heater (31) together, the right ports of the three-way valve (32) and the three-way valve (33) are connected with a ground source indoor unit (9) together, the ground source indoor unit (9) is connected with an inlet of a heat exchange solar heater (31) through an indoor heat exchange pipe (23), a liquid storage tank (13) and a one-way valve (11), and the common port of the three-way valve (33). The invention has the advantages that:
1. the ground source pipe heat exchanger is close to the air inlet side of the traditional air conditioner for heat transfer, the ground source heat pipe is used for automatically releasing heat in winter to defrost the traditional air conditioner and provide low-temperature energy, the evaporation temperature of the air conditioner and air energy in a severe cold area is increased to 5 ℃, the electricity charge is saved by more than 50%, cold energy generated by automatic cyclic heat release of the ground source is stored in the ground for free cooling in summer in the next year, and the carbon dioxide refrigerant has important significance for sustainable development of human beings.
2. The invention realizes the double system of the ground source and the air conditioner, can work independently by scientific isolation, has double insurance for users, skillfully utilizes the high pressure of the refrigerant in the outdoor high temperature heat exchanger in summer to push the low temperature refrigerant in the heat exchange pipe of the ground source into the indoor heat exchanger for refrigeration and evaporation and heat absorption, realizes compressor-free, pump-free suction, no power consumption and zero cost cold supply, the cold quantity stored in winter exceeds the consumption in summer, and the heat quantity stored in summer is higher than the consumption in winter.
3. The industrial highest efficiency of the work below the critical value of the R744 carbon dioxide is realized, the fire extinguishing system is optimal and environment-friendly, lubricating oil does not need to be added, a large building can be used as the fire extinguishing system, an indoor pipeline is provided with a pressure sensor to control the on-off of a three-way valve, the indoor refrigeration heat exchanger is ensured not to be leaked at all, a liquid pump is connected in series for circulation, the fire extinguishing system is also suitable for various refrigerants such as R134a, R32 and R410a, and the fire extinguishing system has extremely good anti-freezing.
4. The noise of the external machine of the present air conditioner is 54-58db, the invention stores cold energy in excess in winter, the new mode of refrigeration in summer, zero noise, no power consumption and no maintenance are needed after being used for decades, even if the hydraulic pump circulation is used, the power consumption of the most energy-saving technology in the present industry is small, and the invention saves a large amount of engineering cost compared with a cold water circulating machine set.
5. The invention and the original heat pump unit are not connected by pipeline refrigerant, or not connected by a circuit, when the air pump unit outputs high power, the attached fin heat exchanger also correspondingly increases air cooling heat exchange, and the acceleration of condensation enables more liquid gravity of the heat exchanger to promote the faster circulation of refrigerant in the microtube and more output geothermal energy.
6. The heat exchange tube in the ground source hole and the indoor air conditioner micro-tube heat exchanger can conduct heat in an isolated mode through the sleeve heat exchanger, the automatic circulation of the indoor side refrigerant is achieved by utilizing the characteristic that the cold end is arranged at the upper portion during refrigeration and the hot end is arranged at the lower portion during heating, anti-freezing liquid or water can be added into the ground source refrigerant, and heat transfer quantity and heat carrying capacity are improved.
Drawings
FIG. 1 is a schematic structural view of a ground source refrigerant circulating heat exchange tube according to the present invention;
FIG. 2 is a schematic diagram of the automatic cold supply by self-circulation combined heat and cold storage of the present invention;
FIG. 3 is a refrigeration schematic diagram of a ground source self-circulation composite heat and cold exchange liquid pump according to the present invention;
FIG. 4 is a schematic diagram of a self-leakage detection of the ground source self-circulation composite heat exchange and cold storage zone of the present invention;
FIG. 5 is a schematic diagram of the ground source outdoor unit structure of the present invention;
FIG. 6 is a schematic diagram of a hydronic system according to the present invention;
FIG. 6a is a valve position of a winter heat exchange solar panel heating three-way valve;
fig. 6b shows the position of the three-way valve for cooling in summer.
The notation in the figure is:
a ground source heat exchange refrigerant liquid pipe (1), a ground source heat exchange refrigerant gas pipe (2), a U-shaped end part (3), a heat insulation flow protection sleeve (4), a sleeve joint fixing device (5), a sealing end (6), pressure maintaining nitrogen (7), a ground source hole (8), a ground source indoor unit (9), a sleeve pipe heat exchanger (9-1), a ground source air cooler (10), a check valve (11), a valve (12), a liquid storage tank (13), an air conditioner outdoor unit (14), a compressor (15), an air conditioner air cooler (16), an air conditioner indoor unit (17), a cooling and heating switching valve (18), a valve (19), a three-way valve (20), a ground heat insulation layer (21), a pressure sensor (22), a micro-pipe heat exchanger (23), a heat pump water tank (24), a throttle valve (25), a throttle valve (26), an indoor air return duct (27), an indoor air, a heat exchange sunlight plate (31), a three-way valve (32) and a three-way valve (33).
Detailed Description
Example 1 this example is further illustrated with reference to fig. 1 and 2.
Ground source heat transfer refrigerant liquid pipe (1) cup joints fixedly (5) with ground source heat transfer refrigerant trachea (2), and tip (3) are the U type and are presented a book, establish one section thermal-insulated sheath (4) in the liquid pipe branch road, and the end of two branch pipes is the circle axle inner core, coils on the line dish, and until outmost U type tip, through nitrogen flow test, end seal (6) fill nitrogen gas pressurize test, including setting up the manometer, finally carry pressurize nitrogen gas (7) and dispatch from the factory.
A ground source heat exchange refrigerant liquid pipe (1) and a ground source heat exchange refrigerant gas pipe (2) are arranged in a ground source hole (8), backfilled slurry is filled, the ground source heat exchange refrigerant liquid pipe (1) and a valve (12) are jointly connected with one end port of a ground source indoor unit (9), the other end port of the ground source indoor unit (9) is connected with the lower end port of a ground source air cooler (10) and one end of the valve (12) through a check valve (11), the ground source heat exchange refrigerant gas pipe (2) is connected with the upper end port of the ground source air cooler (10), and the inlet of the check valve (11) and the ground source heat exchange refrigerant gas pipe (2) are connected with the other end of the valve (12).
A liquid storage tank (13) is arranged on a connecting pipeline between the outlet of the one-way valve (11) and the ground source indoor unit (9), the one-way valve (5) adopts a floating ball type, and the ground source indoor unit (9) can be covered and buckled outside the air conditioner indoor unit (17).
The ground source air cooler (10) is attached to the air inlet side of an air conditioning air cooler (16) of an air conditioning outdoor unit (14) by adopting a fin heat exchanger, preferably the side facing the sunlight irradiation outside a building, the air conditioning indoor unit (17) is at least one of a micro-pipe heat exchanger, a heat pump water tank or a sleeve pipe heat exchanger and an air pipe indoor unit, and the output port of a compressor (15) is connected with the air conditioning indoor unit (17).
Taking a 350m2 villa building in China (Shenyang) as an example, a 15KW frequency conversion single heating unit is adopted as an air conditioner outdoor unit, one air conditioner indoor unit is reduced compared with the conventional configuration, a 4mm plastic-coated metal microporous pipe 12m/m2 is paved on the indoor ground, 24 paths are connected in parallel, the outer diameter of a ground source pore air pipe is 8mm, a liquid pipe is 5mm, a heat insulation sleeve is arranged at the position 50m away from the ground of the liquid pipe, one 2KW fin type ground source indoor unit (9) is arranged on each floor, the total internal volume is 1L, the internal volume of an outdoor heat exchanger (10) is 2L, the internal volume of a liquid storage tank is 2L, and the internal volume of a ground source heat exchange pipe is 4L 2, and the amount of refrigerant is 5-6L.
The working principle is as follows: in winter, the temperature is above-5 ℃, the gas of a compressor (15) in an outdoor unit (14) of the air conditioner releases heat through an indoor micro-tube heat exchanger (17), the condensation temperature is 30 ℃, the indoor temperature is 24 ℃, and the energy efficiency ratio is as follows: 5-6, when the air temperature is lower than minus 5 ℃, or the air conditioner air cooler (16) frosts, the valve (12) is opened, the refrigerant gas with the temperature of 8-12 ℃ in the ground source heat exchange refrigerant pipeline air pipe (2) in the ground source hole (8) upwards enters the ground source air cooler (10) to ensure that the air conditioner heat exchanger (16) quickly frosts, the heated air then enters the air conditioner air cooler (16) for heat exchange, the refrigerant in the ground source air cooler (10) is condensed into liquid with the temperature of minus 0 ℃ to increase the weight of the liquid, the liquid passes downwards through the liquid pipe (1) with the heat insulation flow sleeve (4) to prevent short circuit heat exchange gasification, enters the U-shaped part (3) at the bottom, the ground source heat exchange refrigerant air pipe (2) heated by soil is heated to change the gas light and upwards to form automatic circulation, the electromagnetic valve (12) is opened along with the air temperature value to ensure that the evaporation temperature of the air conditioner, the power attenuation of an outdoor unit of the air conditioner in the extremely cold weather is avoided, the energy efficiency ratio is more than 7, when the outdoor temperature is higher than the soil temperature of the ground source hole, the heat release is automatically stopped, the soil temperature is usually reduced to 1 ℃ or lower, and the requirement is far higher than the cold energy requirement in summer.
When summer comes, the indoor temperature is higher than 25 ℃, the outdoor air temperature is higher than 30 ℃, the valve (12) is closed, CO2 liquid in the ground source air cooler (10) is heated and evaporated, the volume is expanded by multiple times, the pressure is increased to be near 7MP, the one-way valve (11) acts to enable gas to only enter a ground source heat exchange refrigerant pipeline air pipe (2) in a ground source hole (8), the pressure is transmitted through a U-shaped pipe, CO2 refrigerant with the temperature of 2 ℃ in the ground source heat exchange refrigerant pipeline air pipe (1) firstly pushes the ground source indoor machine (9), cold energy is transmitted to the indoor through a fan or radiation and then enters the liquid storage tank (13), the process is used for indoor cooling and dehumidification all the time, when the liquid storage tank (13) is filled with 2L, the pipeline gas space with the size of about 80m appears in the ground source heat exchange refrigerant pipeline air pipe (2), after a period of time, the low temperature of the soil around the pipeline condenses the air into the liquid, the pressure is reduced to 5-6MP, the residual heat exchange gas in the ground source air cooler (10) is sucked into the ground source heat exchange refrigerant pipeline air pipe (2) to enable the indoor machine to be heated and stored, the indoor heat pump (11) to be started, the indoor heat energy of the indoor heat exchange refrigerant pipeline air cooler (10), the indoor heat pump, the indoor heat exchanger is normally, the heat pump, the indoor heat exchanger, the indoor heat exchanger is released by the heat exchanger, the heat exchanger is recovered, the heat exchanger (10), the heat exchanger, the.
The invention is the only CO2 technology at present without adding lubricating oil, the CO2 in the pipeline can be the best fire extinguishing agent for the building, and if the part is blown out in case of fire, the CO2 can be sprayed out locally to extinguish the fire instantly. Or a fire detector controls a fire valve.
Example 2: the working principle of the present embodiment is further described with reference to fig. 1 and 3:
the embodiment is designed based on the commercial building of a glass curtain wall and has very large heat load in summer, more than 2 ground source pipes (8) are adopted, refrigerant heat exchange pipes are implanted, a backfill core is added, a ground source air cooler (10) is attached to the air inlet side of an air-conditioning air cooler (16), the upper port of the ground source air cooler (10) is connected with a ground source heat exchange refrigerant air pipe (2), a ground source heat exchange refrigerant liquid pipe (1) is connected with a ground source indoor unit (9) and a valve (12), the lower end of the ground source indoor unit (9) is connected with the valve (12) and the upper port of a liquid pump (19), the lower port of the liquid pump (19) is connected with the ground source heat exchange refrigerant liquid pipe (1), the inlet and the outlet of a compressor (15) are connected with an indoor micro-pipe heat exchanger (17) and the air-conditioning air cooler (16) through a cold-warm reversing valve (18), and a sleeve heat exchanger, the sleeve heat exchanger (9-1) is vertically erected outside the window in a length of 6m and is 3m higher than the micro-tube heat exchanger (17), and the interior of the liquid pump (19) is in a communicated state when the power is off.
The working principle is as follows:
after the indoor temperature rises in summer, the valve (12) is closed, the liquid pump (19) works, the liquid refrigerant of 2-3 ℃ in the ground source heat exchange refrigerant liquid pipe (1) and the connected ground source heat exchange refrigerant gas pipe (2) is pumped out and pushed into the ground source indoor unit (9), the refrigerant entering the ground source indoor unit (9) is evaporated into a gas-liquid mixture, then the gas-liquid mixture enters the outdoor heat exchanger (10) to further absorb heat and pressurize to 30 ℃ superheated gas of 5-6MP, then the gas-liquid mixture enters the ground source heat exchange refrigerant gas pipe (2) to release heat, the ground source heat exchange refrigerant liquid pipe (1) is connected with the liquid pump (19) through a U-shaped part to pressurize, the power consumption is reduced and the cavitation is prevented, the heat transfer of the gas pipe is isolated by the liquid pipe heat insulation sheath (4), the cavitation of the liquid pump (19) is further prevented, the stable refrigeration is realized, in order to increase the cold quantity transfer of each room, because the top temperature is lower, the refrigerant carried by the air conditioner outdoor unit (14) absorbs the ground heat in the indoor micro-pipe heat exchanger (17), after being gasified, the refrigerant enters the double-pipe heat exchanger (9-1) to be condensed into liquid to form automatic circulation downwards, the cooling capacity of each room is improved, the compressor (15) is connected with the reversing valve (18) in series, if the cooling capacity of a ground source hole is insufficient, the air conditioner outdoor unit (14) can also directly refrigerate, double insurance is realized, and the engineering cost is much lower than that of the existing ground source heat pump.
The soil around the ground source hole is heated through the outdoor heat exchanger (10), the stored heat is greatly increased, the power consumption of the liquid pump is reduced by 50% compared with the power consumption of the existing equipment which only supplies cold indoors, only 35W is needed for 350m2 building cold supply, the soil around the ground source hole is gradually heated to the air temperature in summer, and free automatic heating in one period indoors is realized by closing the valve (12) in winter and heating 3m below the ground micro pipe of the sleeve heat exchanger (9-1).
If the project is in an area with particularly high temperature in summer, antifreeze or water can be added into the CO2 refrigerant, because the specific gravity of the CO2 liquid is higher than that of the antifreeze or water at low temperature, and the CO2 evaporates at the bottom of the ground source hole to carry the antifreeze or water for circulation, so that the circulation speed is reduced, more heat is carried, and the cooling power in summer is higher.
Example 3: the working principle of the present embodiment is further described with reference to fig. 1 and 4;
the embodiment is a household system of 130m2 of one household of a large building, the unit adopts more than two ground source holes (8) from bottom to top, a ground source heat exchange refrigerant liquid pipe (1) and a ground source heat exchange refrigerant gas pipe (2) are connected in parallel, and a ground heat insulation layer (21) with the thickness of more than ten square meters and the thickness of 20cm is made on the ground of the ground source holes (8). The ground source heat exchange refrigerant gas pipe (2) is connected with a public port of a three-way valve (20), a lower port of the three-way valve (20) is connected with an upper port of a ground source air cooler (10), the upper port of the three-way valve (20) is connected with a micro-pipe heat exchanger (23) in series to be connected with a ground source indoor unit (9), a pressure sensor (22) is arranged on the ground source indoor unit (9), the other port of the ground source indoor unit (9) is connected with an outlet of a refrigerant liquid pump (19) and a lower port of the ground source air cooler (10) through a solenoid valve (12), and an inlet of the refrigerant liquid pump (19).
The ground source air cooler (10) is attached to the air inlet side of the air conditioner outdoor unit (14), the outlet of the compressor (15) is connected with the inlet of the water heater (24), the outlet of the water heater (24) is connected with the microtube floor heater (17) through the throttle valve (25), the outlet of the microtube floor heater (17) is connected with the lower port of the air conditioner air cooler (16) through the throttle valve (26), and the upper port of the air conditioner air cooler (16) is connected with the inlet of the compressor (15).
The working principle is as follows:
because more ground source holes and heat exchange tubes connect the large-scale building, the refrigerant charge volume is many, for resident safety, refrigerant pipe trachea in getting into indoor has set up three-way valve (20) and liquid pipe solenoid valve (12), and set up pressure sensor (22) on the indoor pipeline, when heating work finishes, close three-way valve (20) earlier, close solenoid valve (12) earlier when cooling work finishes, ensure that the indoor pipeline is gaseous when stopping work, this gas and indoor temperature constitute standard corresponding value, even if the indoor pipeline slightly leaks, the pipeline internal pressure all can be less than the standard value, control system can block and open three-way valve (20) and solenoid valve (12), thereby avoid the refrigerant to continue to leak, guarantee interior personnel's absolute safety. In summer, the dehumidification heat exchanger (9) and the micro-pipe heat exchanger (23) supply cold together, so that the indoor environment is more comfortable.
The outlet of the compressor (15) is connected with a heating pipe of a heat pump water tank (24), the outlet is connected with a geothermal microtube (17) through a throttling valve (25), and then is connected with an air conditioner outer heat exchanger (16) through a series throttling valve (26). When heating in winter, the throttle valve (26) is closed and the throttle valve (25) is fully opened, the superheated gas output by the compressor (15) firstly heats the domestic hot water in the water tank and then outputs the domestic hot water to the indoor micro-pipe (17) for heating, and the cascade utilization of energy is realized.
In other seasons, the throttle valve (25) is closed down, the throttle valve (26) is fully opened, the superheated gas output by the compressor (15) firstly heats the domestic hot water in the water tank, and then enters the indoor micro-pipe (17) for micro cooling through the closed-down throttle valve (25), so that the cascade utilization of energy is realized.
The upper ground foaming heat insulation layer (4) of the ground source hole (8) blocks the heat stored in the ground source hole soil in summer from being released through the autumn on the ground, when the indoor temperature is lower than 20 ℃ and the gas refrigerant with the temperature of 30 ℃ in the ground source heat exchange refrigerant air pipe (2) directly enters the indoor micro-pipe heat exchanger (23) and the ground source indoor unit (9) to release heat temporarily in winter, the number and the depth of the ground source holes determine the free heating days, and when no people build the building, the heat can ensure that various indoor water pipes are not frozen. In deep winter, the valve (12) and the air conditioner outdoor unit (14) are opened together, the air conditioner is not started when no people live in the building in winter, and the valve (12) is also opened in winter to automatically release the soil heat in the ground source hole to store the summer cold.
Example 4: the working principle of the present embodiment is further described with reference to fig. 5;
an outdoor unit (14) of an air conditioner adopts a peripheral double-layer heat exchanger, an inner heat exchange pipe is connected with a compressor, an outer heat exchange pipe is coiled by a copper pipe for a plurality of circles around the compressor and then connected with a ground source heat exchange refrigerant air pipe (2), the upper part of the outdoor unit can be made into a sunlight snow shelter by a liquid storage tank (13), an inner pipeline is connected with a ground source air cooler (10) in series, a ground source indoor unit (9) is arranged in an outdoor unit upright post, an indoor air return duct (27) is arranged at the upper part and connected with an indoor public air inlet duct through an air pipe and a fan, an indoor air supply duct (28) is arranged at the lower part and connected with ground or wall air outlets.
The working principle is as follows:
compared with the previous embodiment, in summer, as sunlight heats the liquid storage tank (13) more, the circulation speed of the refrigerant CO2 is increased, the refrigerating capacity is increased, more heat is stored in the ground source hole, the air door in the fresh air filter (29) is opened, outdoor air enters the room after being filtered, and is exhausted upwards from the ground of each room, and the harmonious circulation with the main return air inlet of the outdoor unit is formed.
When heating in winter, the indoor space is usually dry, after an external heat exchanger frosts, condensed water generated after defrosting of the ground source CO2 flows into a humidifier (30) and is blown into each room together with indoor return air, and high-quality life is achieved.
At the sunshine-free night, the circulation speed of the liquid storage tank (13) which becomes the coolant CO2 of the heat radiator is increased, more summer cold is stored, particularly, the air-conditioning heat exchanger (16) is prevented from being blocked by snow in the snowy days, the efficiency is improved, the outlet of the ground source heat exchange coolant air pipe (2) firstly coils the compressor (15) to release heat and then enters the ground source air cooler (10), and liquid accumulation in the compressor (15) is prevented.
Example 5: the working principle of the present embodiment is further described with reference to fig. 6, fig. 6a, and fig. 6 b;
in the embodiment, 1/10 is arranged in a workshop of a 5000m2 large-scale factory, 100 heat source holes (8) are arranged in one area of an open parking lot of the factory in construction, and the central part of the area is drilled with: a heat source aperture, extending outward as: the temperature source hole is extended outwards to form: cold ground source hole, fig. 6: left side: heat source aperture, middle: warm ground source hole, right side: a ground heat insulation layer (21) of 20-30cm is arranged behind a ground source heat exchange refrigerant air pipe (2) and a ground source heat exchange refrigerant liquid pipe (1) which are arranged in a cold ground source hole, then cement is paved to form a parking lot, and a top cover of a workshop is provided with a heat exchange sunlight plate (31).
A ground source heat exchange refrigerant gas pipe (2) in a hot ground source hole is connected with a common port of a three-way valve (32), the left port of the three-way valve (32) is connected with the left port of a three-way valve (33) in parallel, the left port of the three-way valve (32) is connected with an outlet of a sunlight plate (31), the right port of the three-way valve (32) is connected with the right port of the three-way valve (33) in parallel, a ground source indoor unit (9) is connected, the common port of the three-way valve (33) is connected with a ground source heat exchange refrigerant liquid pipe (1) in the cold ground source hole, an inlet of the heat exchange sunlight plate (31) is connected with an indoor heat exchange pipe (23) through a one-way valve (11) and a liquid storage tank (13), the hot ground. Fig. 6a shows the position of a heating three-way valve of a winter heat exchange sunlight plate, and fig. 6b shows the position of a cooling three-way valve in summer. The filling amount of CO2 is based on the liquid standard of the internal volume of the heat exchange tube in the three ground source tubes.
The working principle is as follows:
the summer heat exchange sunlight panel (31) stores CO2 with the temperature of more than 50 ℃ into soil of 5 ground source holes connected in series, so that the temperature from the hot ground source hole to the cold ground source hole is sequentially arranged as follows: the temperature of the liquid storage tank (13) is reduced by 5-10 ℃ even if the temperature is reduced by 45 ℃, 40 ℃, 35 ℃ and 30 ℃ in autumn, the liquid storage tank can directly supply heat, naturally, when sunshine exists in winter in the daytime, the three-way valve is switched to the position shown in figure 6a before the sunshine arrives, the liquid storage tank (13) is used for pumping the refrigerant into the liquid storage tank in the outdoor low-temperature environment, the refrigerant in the sunshine plate is continuously heated after the sunshine arrives, and the refrigerant enters the indoor ground source heat exchanger (9) and the indoor heat exchange tube (23) after heat absorption and expansion to release heat for supplying heat.
In the sunshine-free time, the three-way valve is switched to the position shown in the figure 6, and the heat transfer pipes in the hot ground source hole are all filled with gas all the time, so that a large amount of liquid CO2 is accumulated in the heat exchange sunlight plate (31) and the liquid storage tank (13) on the roof, and forms great gravity pressure on the heat exchange pipes in the cold ground source hole, so that the liquid CO2 is sequentially transferred to the heat exchange pipes in the hot ground source hole and the heat exchange pipes in the hot ground source hole, the gas is always CO2 gas after entering the heat exchange pipes in the hot ground source hole and being not liquefied by utilizing CO2 at the temperature of more than 31 ℃, the gas directly enters the indoor ground source heat exchanger (9) and the indoor micro-pipe heat exchanger (23) to release heat, the liquid after releasing heat is further condensed by the heat exchange sunlight plate (13) and enters the ground source cold ground source heat exchange pipes (1) to form automatic.
When summer comes, the three-way valve (32) and the three-way valve (33) are switched to the positions shown in fig. 6b, when no sunlight exists, liquid CO2 can be gathered in the pipeline of the sunlight plate (31) to be in a full liquid state, the liquid CO2 comprises a liquid storage tank (13), the gasification pressure of the heated CO2 of the heat exchange sunlight plate (31) is increased after the sun rises, the liquid CO enters the pipeline of the heat source hole and the pipeline of the warm source hole through the three-way valve (32), low-temperature CO2 in the cold source hole is pushed into the ground source heat exchanger (9) and the indoor heat exchange tube (23) through the three-way valve (33) to supply cold indoors, after the CO2 in the liquid storage tank (13) is supplemented into the sunlight plate, a cavity formed inside just absorbs the CO2 evaporated by the indoor ground source heat exchanger (9) and the micro-tube heat exchanger (23) to form continuous circulation, certainly, and the cold energy.
From the foregoing, it should be understood that the detailed description of the present invention is only used for illustrating the present invention and is not limited to the technical solutions described in the embodiments, and those skilled in the art should understand that modifications and equivalent substitutions can be made to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.

Claims (10)

1. The ground source is from a circulating heat pipe coupling air conditioning device, which mainly comprises: ground source heat transfer refrigerant liquid pipe (1), ground source heat transfer refrigerant trachea (2), U type tip (3), thermal-insulated flow sheath (4) cup joint fixedly (5), sealing end (6), pressurize nitrogen gas (7) are constituteed, its characterized in that: stretch out the thinner ground source heat transfer refrigerant liquid pipe (1) of one end with a tubular metal resonator or other heat-conducting material pipes, the thicker ground source heat transfer refrigerant trachea (2) of the other end, or fix (5) with two root canals of thickness cup joint, mould the package tubular metal resonator including the same diameter, ground source heat transfer refrigerant liquid pipe (1) and ground source heat transfer refrigerant trachea (2) can non-equal length feed become U type tip (3), set up thermal-insulated flow sheath (4) of 1/5 above length on at least one branch road, gas, two tube heads of liquid are sealed end (6), fill in the sealed front pipeline and fill nitrogen gas (7), use two tip of trachea and liquid pipe as the double-barrelled wind of drum initiating terminal and arrive on the drum, be U type tip until the drum outermost, sealed end (3) can set up the manometer.
2. The ground-source self-circulating heat pipe-coupled air conditioning unit of claim 1, comprising: ground source hole (8), ground source indoor set (9), ground source air cooler (10), valve (12), air condensing units (14), compressor (15), air conditioner air cooler (16), indoor set of air conditioner (17), its characterized in that: the air conditioner is characterized in that a U-shaped end portion (3) connected with a ground source heat exchange refrigerant liquid pipe (1) and a ground source heat exchange refrigerant gas pipe (2) is arranged at the bottom of a ground source hole (8), the upper port of a ground source air cooler (10) is connected with the ground source heat exchange refrigerant gas pipe (2), the lower port of the ground source air cooler is connected with the ground source heat exchange refrigerant liquid pipe (1), the ground source air cooler (10) is attached to the air inlet side of an air conditioner (16) of an air conditioner outdoor unit (14), the preferable structure is that the ground source air cooler (10) and the air conditioner air cooler (16) adopt uniform fins facing sunlight, a valve (12) is connected in series with the upper end pipeline or the lower end pipeline of the ground source air cooler (10), two ends of the valve (12) are connected in parallel with a ground source heat exchange refrigerant liquid pipe (1), and a compressor (15) in the.
3. The ground-source self-circulating heat pipe-coupled air conditioning unit of claim 2, comprising: check valve (11), liquid storage pot (13), its characterized in that: the ground source indoor unit (9) can be connected with the check valve (11) in series on a pipeline and comprises a connecting liquid storage tank (13), the check valve (11) adopts a floating ball type, the ground source indoor unit (9) is a fan coil, a refrigeration radiation plate and a micro-pipe floor heating, and the amount of refrigerant filling liquid in the ground source pipe is larger than the volume of a ground source heat exchange pipeline.
4. The self-circulating ground source heat pipe coupled air conditioning unit of claim 2, comprising: refrigerant liquid pump (19), double-pipe heat exchanger (9-1), air conditioning indoor set (17) adopt ground or ceiling heat transfer microtubule, its characterized in that: the ground source heat exchange refrigerant liquid pipe (1) is connected with a liquid pipeline of a ground source indoor unit (9) through a refrigerant liquid pump (19), the ground source indoor unit (9) can adopt at least one of a double-pipe heat exchanger (9-1) and a plate heat exchanger, the other two ports of the ground source indoor unit are connected in series between two groups of ground or ceiling heat exchange micro-pipe pipelines, the ground source indoor unit (9) is covered outside the air conditioner indoor unit through a fin type cover, and the refrigerant liquid pump (19) is controlled by a fan switch of the air conditioner indoor unit.
5. The self-circulating ground source heat pipe coupled air conditioning unit of claim 4, comprising: three-way valve (20), ground insulating layer (21), pressure sensor (22), indoor heat-transfer pipe (23), its characterized in that: the ground heat-insulating layer (21) is arranged on the upper portion of the rear portion of a heat exchange refrigerant pipe arranged in a ground source hole (8), a ground source heat exchange refrigerant gas pipe (2) is connected with a public port of a three-way valve (20), a lower port of the three-way valve (20) is connected with a ground source air cooler (10), an upper port of the three-way valve (20) is connected with an indoor heat transfer pipe (23) in series to be connected with a ground source indoor unit (9), the other port of the ground source indoor unit (9) is connected with an outlet of a refrigerant liquid pump (19) and the other port of the ground source air cooler (10) through a solenoid valve (12), an inlet of the refrigerant liquid pump (19) is connected with an upper port of the ground source.
6. The ground-source self-circulating heat pipe-coupled air conditioning unit of claim 2, comprising: water heater (24), choke valve (25), choke valve (26), its characterized in that: an indoor unit (17) of the air conditioner adopts a ground heat exchange microtube, an outlet of a compressor (15) is connected with an inlet of a water heater (24), an outlet of the water heater (24) is connected with the ground heat exchange microtube (17) through a throttle valve (25), an outlet of the ground heat exchange microtube (17) is connected with a lower port of an air conditioner air cooler (16) through a throttle valve (26), an upper port (16) of the air conditioner air cooler is connected with an inlet of the compressor (15), and a tap water inlet and a hot water outlet are arranged on the water heater (24.
7. The ground-source self-circulating heat pipe-coupled air conditioning unit of claim 2, comprising: a cooling/heating switching valve (18), characterized in that: the compressor (15) is connected with an air conditioner air cooler (16) and an air pipe end of an air conditioning indoor unit (17) through a cooling and heating switching valve (18).
8. The ground-source self-circulating heat pipe-coupled air conditioning unit of claim 2, comprising: indoor return air duct (27), indoor air outlet (28), fresh air filter (29), indoor humidifier (30), liquid storage pot (13) set up to air condensing units (14) top solar energy and hide snow apron, its characterized in that: the ground source indoor unit (9) is arranged in the air conditioner outdoor unit (14) in a fin structure, an indoor air return channel (27) is arranged on the upper portion of a box body of the air conditioner outdoor unit (14), air outlet channels (28) connected with all rooms are arranged on the lower portion of the box body of the air conditioner outdoor unit (14), a fresh air filter (29) is arranged at the bottom of the box body of the outdoor unit, a condensate humidifier (30) is arranged at the bottom of a vertical column of the box body, a ground source heat exchange refrigerant air pipe (2) is coiled outside a compressor (15) firstly and then is connected with an inlet of an air conditioner air cooler (16).
9. The ground-source self-circulating heat pipe-coupled air conditioning unit of claim 1, comprising: ground source hole (8), ground insulating layer (21), its characterized in that: a central part in one region is provided with a hot ground source hole A, a warm ground source hole B extends outwards, a cold ground source hole C extends outwards, ground source heat exchange refrigerant gas pipes (2) in each ground source hole are sequentially connected with ground source heat exchange refrigerant liquid pipes (1) in series, ground heat insulation layers (21) are uniformly arranged on the upper parts of all the ground source holes, an outlet pipeline in the hot ground source hole A is the ground source heat exchange refrigerant gas pipes (2), and an outlet pipeline in the cold ground source hole is the ground source heat exchange refrigerant liquid pipe (1).
10. The ground-source self-circulating heat pipe-coupled air conditioning unit of claim 9, comprising: ground source indoor set (9), ground source air cooler (10), check valve (11), liquid storage pot (13), ground insulating layer (21), indoor heat-transfer pipe (23), heat transfer sunshine ware (31), three-way valve (32), three-way valve (33), its characterized in that: a ground source heat exchange refrigerant gas pipe (2) of a hot ground source hole A is connected with a common port of a three-way valve (32), the left ports of the three-way valve (32) and the three-way valve (33) are connected with an outlet of a solar heater (31) together, the right ports of the three-way valve (32) and the three-way valve (33) are connected with a ground source indoor unit (9) together, the ground source indoor unit (9) is connected with an inlet of a heat exchange solar heater (31) through an indoor heat exchange pipe (23), a liquid storage tank (13) and a one-way valve (11), and the common port of the three-way valve (33).
CN202010318093.8A 2020-04-21 2020-04-21 Ground source self-circulation heat pipe coupling air conditioner Pending CN111473410A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202973379U (en) * 2012-12-06 2013-06-05 合肥美菱太阳能科技有限责任公司 Water-heating air conditioning device combining ground source heat pump and air source heat pump
KR101402837B1 (en) * 2013-12-30 2014-06-03 주식회사 에너솔라 Air conditioner using the geothermal
CN204963635U (en) * 2015-07-15 2016-01-13 奉政一 Mould metal encapsulated micropore pipe heat transfer construction package and changes in temperature device
CN105987460A (en) * 2015-01-29 2016-10-05 奉政 Capillary network assembly adopting refrigerants for heat transfer
CN205747589U (en) * 2016-05-16 2016-11-30 叶立英 A kind of heat-exchange system and there is the heat pump of defrosting function
CN108917055A (en) * 2018-06-01 2018-11-30 奉政 Ground-source heat-pipe self-circulation type builds cooling/warming system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202973379U (en) * 2012-12-06 2013-06-05 合肥美菱太阳能科技有限责任公司 Water-heating air conditioning device combining ground source heat pump and air source heat pump
KR101402837B1 (en) * 2013-12-30 2014-06-03 주식회사 에너솔라 Air conditioner using the geothermal
CN105987460A (en) * 2015-01-29 2016-10-05 奉政 Capillary network assembly adopting refrigerants for heat transfer
CN204963635U (en) * 2015-07-15 2016-01-13 奉政一 Mould metal encapsulated micropore pipe heat transfer construction package and changes in temperature device
CN205747589U (en) * 2016-05-16 2016-11-30 叶立英 A kind of heat-exchange system and there is the heat pump of defrosting function
CN108917055A (en) * 2018-06-01 2018-11-30 奉政 Ground-source heat-pipe self-circulation type builds cooling/warming system

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Application publication date: 20200731