CN218495212U - Air source water-cooling integrated air conditioning system with cooling and heating functions and double storage functions - Google Patents
Air source water-cooling integrated air conditioning system with cooling and heating functions and double storage functions Download PDFInfo
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- CN218495212U CN218495212U CN202221653702.6U CN202221653702U CN218495212U CN 218495212 U CN218495212 U CN 218495212U CN 202221653702 U CN202221653702 U CN 202221653702U CN 218495212 U CN218495212 U CN 218495212U
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Abstract
The patent of the utility model discloses an air source water-cooling integration changes in temperature dual storage air conditioning system. The first heat pump system loop and the second heat pump system loop are connected into a set of complete air conditioning system through the three-medium heat exchanger, and the three-medium heat exchanger can be used as the first heat pump system loop and the second heat pump system loop to output together at the same time, and also can be used as an intermediate heat exchanger between the first heat pump system loop and the second heat pump system loop. The first heat pump system loop is provided with two switchable heat exchangers, namely an air-cooled fin heat exchanger and a shell and tube heat exchanger, the air-cooled fin heat exchanger is used for extracting heat energy from air to prepare high-temperature heat energy for heat storage during heating in winter, and the cooling tower water cooling system is used for emitting the heat energy to the air during cooling in summer. The water cooling mode can effectively improve the refrigeration energy efficiency ratio of the air conditioning system and reduce energy consumption, and the air source heat pump mode can realize the overlapping heating function in cold winter.
Description
Technical Field
The patent of the utility model relates to a warm logical air conditioner and ice-storage and heat accumulation field.
Background
The air source heat pump unit and the water cooling water chiller are main modes of the existing air conditioning unit, the two modes respectively have advantages and disadvantages, the air source heat pump unit is mainly used for a heat pump air conditioner to absorb heat energy from air to achieve a heating function, and the water cooling water chiller mainly utilizes a cooling tower to dissipate heat during air conditioning refrigeration, so that the condensation temperature of a compressor can be reduced, the working efficiency of the compressor is improved, and a higher energy efficiency ratio is obtained. The combination of the air source heat pump and the water cooling water system can be realized by combining the air source and the water cooling, so that further energy saving is realized.
The air source water-cooling integrated cooling and heating double-storage air conditioning system combines an air source heat pump and a water-cooling cold water mode in the double-storage air conditioning system for use, 1, an air cooling fin heat exchanger and a first shell and tube heat exchanger in a first heat pump system loop of the double-storage air conditioning system are used in parallel, the air cooling fin heat exchanger and the first shell and tube heat exchanger are switched through a fluorine path electromagnetic valve, the shell and tube heat exchanger radiates heat through a cooling tower during cooling, the air cooling fin heat exchanger absorbs heat energy from air during heating, and further conversion between an air source and water cooling of the first heat pump system loop is realized; 2. the second shell and tube heat exchanger of the second heat pump system loop is switched to the cooling tower and the heat storage equipment through the waterway electric control valve, so that the cooling tower is used for radiating heat when the second shell and tube heat exchanger is connected in parallel with the first shell and tube heat exchanger during refrigeration, and the second shell and tube heat exchanger is independently output to the heat storage equipment for supplying heat when the second shell and tube heat exchanger is used for heating.
Along with the national formulation of carbon peak reaching and carbon neutralization schedules, the energy-saving requirement in the air conditioning field is higher and tighter, and how to further improve the use efficiency of the air conditioner and reduce the energy consumption is an important subject to be solved. Most of the existing heat pump air conditioners need to use air cooling fins to obtain heat energy from air during heating, but the condensation temperature of a compressor is higher than that of water cooling during heat dissipation of the air cooling fins during cooling in summer, so that the energy efficiency ratio of the compressor is reduced. Therefore, the air source and the water cooling are combined for use, so that the condensation temperature of the compressor during refrigeration is reduced, the output efficiency of the whole machine is improved, and the purposes of energy conservation and consumption reduction are achieved. The cold-hot double-storage air conditioning system needs to use the air cooling fins when heating, and is converted into cooling tower water cooling when refrigerating, so that the refrigerating efficiency of the whole machine is improved.
The air conditioning system can realize that one set of air conditioning unit can realize the water cooling mode used in summer, ice is stored at night by utilizing the valley price, the air source mode is used under the severe cold environment temperature in winter, the high-temperature heat storage operation of the valley price at night is utilized, cold and heat sources required by the peak period time are stored in a low-price mode in the valley price stage, the cold and heat sources are released in the peak period time, the operation cost can be saved, and the load of a power grid can be balanced.
Disclosure of Invention
The utility model aims at providing a two air conditioning system that hold of changes in temperature that air source forced air cooling heat pump and water-cooling water set combine as an organic whole from the technology. The air-cooled fin heat exchanger of the first heat pump system loop of the double-storage air-conditioning system and the first shell and tube heat exchanger are installed in parallel, the air-cooled fin heat exchanger and the first shell and tube heat exchanger are switched through the fluorine-path electromagnetic three-way valve, so that the shell and tube heat exchanger radiates heat through a cooling tower during refrigeration, the air-cooled fin heat exchanger absorbs heat energy from air during heating, and further the conversion between air cooling and water cooling of the first heat pump system loop is realized; and the second shell-and-tube heat exchanger of the second heat pump system loop is switched between the cooling tower and the heat storage equipment through the waterway electric control valve, so that the cooling tower is used for radiating heat by connecting the second shell-and-tube heat exchanger and the first shell-and-tube heat exchanger in parallel during refrigeration, and the second shell-and-tube heat exchanger serves as an output end for supplying heat to the heat storage equipment during heating. The two sets of compressor systems are mutually converted and matched in different modes to finish combination of different working conditions, and the air conditioning system runs in multiple working condition modes of using an air source heat pump mode in winter and using a water cooling cold water mode in summer, the water cooling cold water mode can reduce the condensation temperature of the compressor to improve the energy efficiency ratio of the compressor, and the purposes of further saving energy and reducing consumption during cold and ice storage are achieved.
The air source water-cooling integrated cooling and heating double-storage air conditioning system comprises a first compressor (1), a four-way switching valve (2), a three-medium heat exchanger (3), a first expansion valve (4), an air-cooling fin heat exchanger (5), a first shell and tube heat exchanger (6), a second compressor (7), the three-medium heat exchanger (3), a second expansion valve (8), a second shell and tube heat exchanger (9), a fluorine path electromagnetic three-way valve (21), a first water path electric control valve (31), a second water path electric control valve (32), a third water path electric control valve (33) and a fourth water path electric control valve (34); the peripheral auxiliary equipment comprises a cooling tower water pump (11), a cooling tower (12), a heat storage water pump (13), a heat storage device (14), a cold and ice storage water pump (15), a cold and ice storage device (16) and a constant temperature energy release device (17). See figure 1.
The utility model provides a technical scheme that its technical problem adopted does:
the air source water-cooling integrated cooling and heating double-storage air conditioning system comprises a first heat pump system loop, a second heat pump system loop and a cooling and heating control system.
The first heat pump system loop comprises a first compressor (1), a four-way change-over valve (2), a three-medium heat exchanger (3), a first expansion valve (4), an air-cooled fin heat exchanger (5), a first shell and tube heat exchanger (6), a fluorine path electromagnetic three-way valve (21) and a communicating pipe arranged between devices.
The second heat pump system loop comprises a second compressor (7), a three-medium heat exchanger (3), a second expansion valve (8), a second shell and tube heat exchanger (9) and a communicating pipe arranged among the devices.
The cooling and heating control system comprises a four-way conversion valve (2), a fluorine path electromagnetic three-way valve (21), a first water path electric control valve (31), a second water path electric control valve (32), a third water path electric control valve (33), a fourth water path electric control valve (34) and a communicating pipe arranged between devices.
The air source water-cooling integrated cooling and heating double-storage air conditioning system is provided with a three-medium heat exchanger (3), wherein the three-medium heat exchanger (3) comprises a first refrigerant channel, a second refrigerant channel and a third refrigerant channel which can exchange heat with each other; two ends of the first refrigerant channel are respectively connected with the four-way switching valve (2) and the first expansion valve (4); two ends of the second refrigerant channel are respectively connected with a second compressor (7) and a second expansion valve (8); the third cold medium channel is connected with a cold storage and ice storage device (16); the three-medium heat exchanger (3) is used as a first output end and an intermediate heat exchanger.
When the three-medium heat exchanger (3) is used as a first output end, the first heat pump system loop and the second heat pump system loop form an air-conditioning double-storage system by connecting a first refrigerant channel and a second refrigerant channel in the three-medium heat exchanger (3), the three-medium heat exchanger (3) is simultaneously used as the first heat pump system loop and the second heat pump system loop to jointly output and exchange heat with low-temperature freezing liquid in a third cold medium channel for refrigeration, and the third cold medium channel is usually internally filled with low-temperature freezing liquid such as ethylene glycol and the like and is connected to cold and ice storage equipment (16); when the three-medium heat exchanger (3) is used as an intermediate heat exchanger, the first heat pump system loop and the second heat pump system loop form a cascade air conditioning system, and the first refrigerant channel and the second refrigerant channel directly exchange heat with each other to heat.
When the three-medium heat exchanger (3) is used as a first output end, a first refrigerant channel and a second refrigerant channel in the three-medium heat exchanger flow in the same direction during refrigeration, and a third refrigerant channel flows in the opposite direction to the first refrigerant channel and the second refrigerant channel (see the attached figure 3).
When the three-medium heat exchanger (3) is used as an intermediate heat exchanger, a first refrigerant channel and a second refrigerant channel in the heating working condition flow in opposite directions, the first refrigerant and the second refrigerant directly exchange heat, and a third cold medium channel does not participate in heat exchange (see attached figure 4).
The air source water-cooling integrated cooling and heating double-storage air conditioning system is provided with a fluorine path three-way valve in a first heat pump system loop, two conversion ports of the fluorine path three-way valve (21) are respectively connected with the air-cooling fin heat exchanger (5) and one end of the first shell and tube heat exchanger (6), and a third port of the fluorine path three-way valve (21) is connected with the first expansion valve (4).
The air source water-cooling integrated cooling and heating double-storage air conditioning system is characterized in that a fluorine path three-way valve (21) is arranged in a first heat pump system loop, the first expansion valve (4) is communicated with the first shell and tube heat exchanger (6) through the fluorine path three-way valve (21) under a refrigerating working condition, and the first expansion valve (4) is communicated with the air-cooling fin heat exchanger (5) through the three-way valve under a heating working condition. When the air-cooled water chiller is used, one fluorine path is closed when the other fluorine path is opened, the air-cooled fin heat exchanger (5) is used for absorbing heat energy from air in winter to realize the function of the air source heat pump unit, and the first shell and tube heat exchanger (6) is used for dissipating heat through the cooling tower (12) in summer to realize the function of the water-cooled water chiller.
The air source water-cooling integrated cooling and heating double-storage air conditioning system is characterized in that a four-way change-over valve (2) is arranged on a first heat pump system loop, and a four-way change-over valve is not arranged on a second heat pump system loop. The four-way change-over valve (2) is used for communicating the first compressor (1) with the first shell and tube heat exchanger (6) when the four-way change-over valve (2) is used for changing the refrigeration working condition of the first heat pump system loop, the four-way change-over valve (2) is used for communicating the first compressor (1) with the three-medium heat exchanger (3) when the four-way change-over valve is used for heating the working condition, and the four-way change-over valve is not arranged on the second heat pump system loop.
The air source water-cooling integrated cooling and heating double-storage air conditioning system comprises two output ends, wherein the first output end is a parallel output end of a three-medium heat exchanger (3) serving as a first heat pump system loop and a second heat pump system loop under a refrigeration working condition; and the second output end is a cascade output end of the double-storage air conditioning system, which is taken by the second shell and tube heat exchanger (9) under the heating working condition. The first output end of the air source water-cooling integrated cooling and heating double-storage air conditioning system is that a first heat pump system loop and a second heat pump system loop are connected in parallel through a three-medium heat exchanger (3) to form a double-machine parallel refrigeration operation, a fluorine path electromagnetic three-way valve (21) is communicated with the side of a first shell and tube heat exchanger (6) and radiates heat with a second shell and tube heat exchanger (9) through a cooling tower at the same time, and the three-medium heat exchanger (3) is used as a common refrigeration output end of the two heat pump loops to supply cold for cold and ice storage equipment (16). When the second output end is used for connecting the first heat pump system loop in series with the second heat pump system loop through the three-medium heat exchanger (3) as an intermediate heat exchanger to form a cascade heating unit, the fluorine path electromagnetic three-way valve (21) is communicated with the air-cooled fin heat exchanger (5) side and is used as an evaporator of the first heat pump system loop to extract heat energy from air, the three-medium heat exchanger (3) is used as the intermediate heat exchanger to provide intermediate-grade heat energy for the second heat pump system loop, and the second shell and tube heat exchanger (9) is used as the output end to output high-temperature heat energy to supply heat for the heat storage equipment (14).
The first heat pump system loop of the air source water-cooling integrated cooling and heating double-storage air conditioning system is provided with three heat exchangers: the air-cooled heat exchanger comprises a three-medium heat exchanger (3), an air-cooled fin heat exchanger (5) and a first shell and tube heat exchanger (6), wherein the air-cooled fin heat exchanger (5) and the first shell and tube heat exchanger (6) are switched through a fluorine path electromagnetic three-way valve (21), the first shell and tube heat exchanger (6) is connected with a first expansion valve (4) under a refrigeration working condition, and the air-cooled fin heat exchanger (5) is connected with the first expansion valve (4) under a heating working condition.
The air source water-cooling integrated cooling and heating double-storage air conditioning system comprises a first water channel electric control valve, a second water channel electric control valve, a third water channel electric control valve and a fourth water channel electric control valve, wherein the two ends of the first water channel electric control valve (31) and the two ends of the second water channel electric control valve (32) are respectively connected with a cooling tower and a second shell and tube heat exchanger (9), and the third water channel electric control valve (33) and the fourth water channel electric control valve (34) are respectively connected with a heat storage device (14) and the second shell and tube heat exchanger (9).
When the refrigeration working condition is met, the first water channel electric control valve (31) and the second water channel electric control valve (32) are opened, the third water channel electric control valve (33) and the fourth water channel electric control valve (34) are closed, the second shell and tube heat exchanger (9) is connected with the cooling tower (12), at the moment, the first shell and tube heat exchanger (6) is connected with the cooling tower (12), and heat is dissipated through the cooling tower together.
And in the heating working condition, the first water path electric control valve (31) and the second water path electric control valve (32) are closed, the third water path electric control valve (33) and the fourth water path electric control valve (34) are opened, and the second shell and tube heat exchanger (9) is connected with the heat storage water pump (13) and the heat storage equipment (14) to supply heat for the heat storage equipment (14).
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the structure schematic diagram of the air source water-cooling integrated cooling and heating double-storage air conditioning system.
FIG. 2: the peripheral equipment connection schematic diagram of the air source water-cooling integrated cooling and heating double-storage air conditioning system.
FIG. 3: refrigerant flow diagram in the refrigeration working condition three-medium heat exchanger.
FIG. 4: refrigerant flow pattern in the three-medium heat exchanger under the heating working condition.
FIG. 5: air source water-cooling integrated cooling and heating double-storage air conditioning system refrigerating working condition refrigerant flow diagram.
FIG. 6: an air source water-cooling integrated cooling and heating double-storage air conditioning system heats working condition refrigerant flow diagram.
Description of reference numerals: the system comprises a first compressor (1), a four-way change-over valve (2), a three-medium heat exchanger (3), a first expansion valve (4), an air-cooled fin heat exchanger (5), a first shell and tube heat exchanger (6), a second compressor (7), a second expansion valve (8), a second shell and tube heat exchanger (9), a fluorine path electromagnetic three-way valve (21), a first water path electric control valve (31), a second water path electric control valve (32), a third water path electric control valve (33) and a fourth water path electric control valve (34); the peripheral auxiliary equipment comprises a cooling tower water pump (11), a cooling tower (12), a heat storage water pump (13), a heat storage device (14), a cold and ice storage water pump (15), a cold and ice storage device (16) and a constant temperature energy release device (17).
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated, whereby the features defined as "first", "second", etc. may explicitly or implicitly include at least one such feature.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood as specific cases to those of ordinary skill in the art.
Referring now to fig. 1, an embodiment of the present invention will be described. It is to be understood that the following description is only exemplary of the present invention and is not intended to limit the present invention in any way.
As shown in fig. 1, the embodiment of the utility model provides an air source water-cooling integration changes in temperature two hold air conditioning system specifically includes first compressor (1), four-way change-over valve (2), three medium heat exchanger (3), first expansion valve (4), air-cooled fin heat exchanger (5), first shell and tube heat exchanger (6), second compressor (7), second expansion valve (8), second shell and tube heat exchanger (9), fluorine way electromagnetic three-way valve (21), first water route automatically controlled valve (31), second water route automatically controlled valve (32), third water route automatically controlled valve (33), fourth water route automatically controlled valve (34).
Two loops and a set of cooling and heating control system are formed by the equipment, namely: the system comprises a first heat pump system loop, a second heat pump system loop and a cooling and heating control system; the first heat pump system loop comprises a first compressor (1), a four-way switching valve (2), a three-medium heat exchanger (3), a first expansion valve (4), an air-cooled fin heat exchanger (5), a first shell and tube heat exchanger (6) and a fluorine path electromagnetic three-way valve (21); the second heat pump system loop comprises a second compressor (7), a three-medium heat exchanger (3), a second expansion valve (8) and a second shell and tube heat exchanger (9); the cold and heat supply control system comprises a fluorine path electromagnetic three-way valve (21), a first water path electric control valve (31), a second water path electric control valve (32), a third water path electric control valve (33) and a fourth water path electric control valve (34).
The peripheral auxiliary equipment comprises a cooling tower water pump (11), a cooling tower (12), a heat storage water pump (13), a heat storage device (14), a cold and ice storage water pump (15), a cold and ice storage device (16) and a constant temperature energy release device (17).
According to the above embodiment, the utility model discloses in, can realize the three medium heat exchangers of two arbitrary heat exchanges between three kinds of media through the adoption, link together first heat pump system return circuit and second heat pump system return circuit, can realize the switching of overlapping formula operation and the dual system parallel operation of first heat pump system return circuit second heat pump system return circuit.
As further shown in fig. 1, in an embodiment of the present invention, the air-cooled fin heat exchanger (5) and the first shell and tube heat exchanger (6) are switched by the fluorine-path electromagnetic three-way valve (21), so as to realize the function of absorbing heat energy from the air by using the air-cooled fin heat exchanger (5) in winter to realize the function of the air source heat pump unit, and the first shell and tube heat exchanger (6) is used in summer to realize the function of the water-cooled water chiller unit by dissipating heat through the cooling tower (12).
In addition, in this embodiment, the air-cooled fin heat exchanger (5) is an air-refrigerant heat exchanger, and the first shell-and-tube heat exchanger (6) is a water-refrigerant heat exchanger. It should be understood that the specific structure and form of the air-cooled finned heat exchanger (5) and the first shell and tube heat exchanger (6) may be determined according to the use situation, and the invention is not limited thereto.
In addition, in this embodiment, an economizer, a separator, an oil cooler, and the like may be provided in the first heat pump system circuit and the second heat pump system circuit. It should be understood that these arrangements are not essential and may be increased or decreased according to the use situation, and thus the present invention is not limited thereto.
According to the embodiment of the utility model, a based on as above air source water-cooling integration changes in temperature dual storage air conditioning system's concrete implementation scheme is provided:
as shown in fig. 5, when cold needs to be supplied to a building in summer, the air source water-cooling integrated cooling and heating dual-storage air conditioning system starts a refrigeration working condition to cool the cold storage and ice storage device by utilizing a valley price period, at the moment, the four-way switching valve (2) is electrified, the fluorine path electromagnetic three-way valve (21) is electrified, the first water path electric control valve (31) and the second water path electric control valve (32) are electrified, and the first shell-tube heat exchanger (6) and the second shell-tube heat exchanger (9) are simultaneously connected to the cooling tower (12).
According to the requirement of the cold load, only the first thermal compressor (1) can be started or the first compressor (1) and the second compressor (7) can be started simultaneously, and the three-medium heat exchanger (3) is used as a first output end to charge cold for the cold and ice storage equipment.
The cold energy in the cold accumulation and ice storage equipment is utilized to release cold to supply the required refrigerating capacity to the building in the daytime, and when the cold accumulation capacity is insufficient, the air source water-cooling integrated cold-warm double-storage air conditioning system can be started to serve as a base-load air conditioning host to supplement the cold energy for the building.
As shown in fig. 6, when heating needs to be provided for a building in winter, the air source water-cooling integrated cooling and heating dual-storage air conditioning system starts a heating working condition to heat the heat storage device by utilizing a valley electricity price period, at this time, the fluorine path electromagnetic three-way valve (21) of the first heat pump system loop communicates the air-cooling fin heat exchanger (5) with the first expansion valve (4), and the air-cooling fin heat exchanger (5) extracts heat energy from outdoor air to provide heat for the three-medium heat exchanger (3).
When the outdoor temperature is higher in the initial stage of heat supply, the first heat pump system loop can be started to supply 45 ℃ hot water to the cold and ice storage device through the first output end, and the cold and ice storage device serves as the medium temperature heat storage device to supply part of heat energy to the building.
When the outdoor temperature is low in the heat supply process, the first compressor (1) and the second compressor (7) are started simultaneously, the three-medium heat exchanger (3) serves as an intermediate heat exchanger, the first heat pump system loop provides medium-grade heat energy for the second heat pump system loop, and the second heat pump system loop provides high-temperature heat energy for the heat storage device through the second output end.
The heat energy in the heat storage equipment is utilized to release heat in daytime, and the constant-temperature energy release equipment supplies heat required by the building.
The air source water-cooling integrated cooling and heating dual-storage air conditioning system can make full use of the peak-valley electricity price policy, so that the operation time of the air conditioning system effectively avoids the peak period of electricity consumption, the valley electricity price is used to reduce the operation cost and expense, and the unbalanced situation of a power grid is greatly stabilized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. An air source water-cooling integrated cooling and heating dual-storage air conditioning system is characterized by comprising a first compressor (1), a four-way switching valve (2), a three-medium heat exchanger (3), a first expansion valve (4), an air-cooling fin heat exchanger (5), a first shell and tube heat exchanger (6), a second compressor (7), a second expansion valve (8), a second shell and tube heat exchanger (9), a fluorine-path electromagnetic three-way valve (21), a first water-path electric control valve (31), a second water-path electric control valve (32), a third water-path electric control valve (33) and a fourth water-path electric control valve (34); two loops and a set of cooling and heating control system are formed by the equipment, namely: the system comprises a first heat pump system loop, a second heat pump system loop and a cooling and heating control system.
2. The air source water-cooling integrated cooling and heating dual-storage air conditioning system as claimed in claim 1, which comprises two loops and a set of cooling and heating control system, wherein the first heat pump system loop comprises a first compressor (1), a four-way switching valve (2), a three-medium heat exchanger (3), a first expansion valve (4), an air-cooling fin heat exchanger (5), a first shell and tube heat exchanger (6), a fluorine path electromagnetic three-way valve (21) and a communicating tube arranged between devices; the second heat pump system loop comprises a second compressor (7), a three-medium heat exchanger (3), a second expansion valve (8), a second shell and tube heat exchanger (9) and communicating pipes arranged among devices; the cooling and heating control system comprises a four-way conversion valve (2), a fluorine path electromagnetic three-way valve (21), a first water path electric control valve (31), a second water path electric control valve (32), a third water path electric control valve (33), a fourth water path electric control valve (34) and a communicating pipe arranged between devices.
3. The air source water-cooling integrated cooling and heating dual-storage air conditioning system as claimed in claim 2, which comprises a three-medium heat exchanger (3) arranged between a first heat pump system loop and a second heat pump system loop, wherein the three-medium heat exchanger (3) comprises a first refrigerant channel, a second refrigerant channel and a third cooling medium channel which can exchange heat with each other; two ends of the first refrigerant channel are respectively connected with the four-way switching valve (2) and the first expansion valve (4); two ends of the second refrigerant channel are respectively connected with a second compressor (7) and a second expansion valve (8); the third refrigerant medium channel is connected to a cold and ice storage water pump (15) and a cold and ice storage device (16).
4. The air source water-cooling integrated cooling and heating dual-storage air conditioning system as claimed in claim 1, wherein the first heat pump system loop is provided with a fluorine path three-way valve, two conversion ports of the fluorine path three-way valve (21) are respectively connected with the air-cooling fin heat exchanger (5) and one end of the first shell and tube heat exchanger (6), and a third port of the fluorine path three-way valve (21) is connected with the first expansion valve (4).
5. The air source water-cooling integrated cooling and heating dual-storage air conditioning system as claimed in claim 1, wherein the first heat pump system loop is provided with a four-way switching valve (2), the air-cooling fin heat exchanger (5) and one end of the first shell-and-tube heat exchanger (6) are connected in parallel to the four-way switching valve (2), and the second heat pump system loop is not provided with the four-way switching valve.
6. The air source water-cooling integrated cooling and heating dual-storage air conditioning system as claimed in claim 1, which comprises two output ends, wherein the first output end is a parallel output end of the three-medium heat exchanger (3) which is used as a first heat pump system loop and a second heat pump system loop under the refrigeration working condition; and the second output end is the cascade output end of the double-storage air-conditioning system which is taken as the second shell and tube heat exchanger (9) under the heating working condition.
7. The air source water-cooling integrated cooling and heating dual-storage air conditioning system as claimed in claim 1, further comprising first, second, third and fourth water path electric control valves, wherein the four water path electric control valves are normally closed electric control valves, two ends of the first water path electric control valve (31) and the second water path electric control valve (32) are respectively connected with the cooling tower and the second shell and tube heat exchanger (9), and the third water path electric control valve (33) and the fourth water path electric control valve (34) are respectively connected with the heat storage water pump (13), the heat storage equipment (14) and the second shell and tube heat exchanger (9).
8. The air source water-cooling integrated cooling and heating dual-storage air conditioning system as claimed in claim 1, further comprising a first shell-and-tube heat exchanger (6) and a second shell-and-tube heat exchanger (9) which are connected in parallel at water path ends and connected to a cooling tower together under the cooling working condition in summer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221653702.6U CN218495212U (en) | 2022-06-30 | 2022-06-30 | Air source water-cooling integrated air conditioning system with cooling and heating functions and double storage functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221653702.6U CN218495212U (en) | 2022-06-30 | 2022-06-30 | Air source water-cooling integrated air conditioning system with cooling and heating functions and double storage functions |
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| CN218495212U true CN218495212U (en) | 2023-02-17 |
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| CN202221653702.6U Active CN218495212U (en) | 2022-06-30 | 2022-06-30 | Air source water-cooling integrated air conditioning system with cooling and heating functions and double storage functions |
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| CN (1) | CN218495212U (en) |
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