CN114151878A - High-environment-temperature air source swimming pool unit - Google Patents

High-environment-temperature air source swimming pool unit Download PDF

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Publication number
CN114151878A
CN114151878A CN202111487406.3A CN202111487406A CN114151878A CN 114151878 A CN114151878 A CN 114151878A CN 202111487406 A CN202111487406 A CN 202111487406A CN 114151878 A CN114151878 A CN 114151878A
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China
Prior art keywords
heat exchanger
electronic expansion
expansion valve
side heat
valve
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Granted
Application number
CN202111487406.3A
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Chinese (zh)
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CN114151878B (en
Inventor
刘裕富
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Guangdong Oriental Sunrise Air Energy Co ltd
Solareast Holdings Co Ltd
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Guangdong Oriental Sunrise Air Energy Co ltd
Solareast Holdings Co Ltd
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Application filed by Guangdong Oriental Sunrise Air Energy Co ltd, Solareast Holdings Co Ltd filed Critical Guangdong Oriental Sunrise Air Energy Co ltd
Priority to CN202111487406.3A priority Critical patent/CN114151878B/en
Publication of CN114151878A publication Critical patent/CN114151878A/en
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Publication of CN114151878B publication Critical patent/CN114151878B/en
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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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a high-environment-temperature air source swimming pool unit, which comprises: the compressor is respectively connected with the first input end and the first output end of the four-way reversing valve; the water side heat exchanger is connected with the second output end of the four-way reversing valve; the middle heat exchanger is respectively connected with the water side heat exchanger and a second output end connected with the four-way reversing valve; the first air side heat exchanger is respectively connected with the second input end of the four-way reversing valve, the water side heat exchanger and the middle heat exchanger; the second air side heat exchanger is respectively connected with the second input end of the four-way reversing valve, the water side heat exchanger and the middle heat exchanger; the high-environment-temperature air source swimming pool unit provided by the invention can be used for preparing hot water and cold water in a high-temperature environment; under the low-temperature environment, the refrigeration operation can be realized, and more hot water can be prepared by absorbing heat by a plurality of heat exchangers at low temperature; and the swimming pool heat pump system has low manufacturing cost and simple structure, is convenient to popularize and apply, and provides a new technical choice for the swimming pool heat pump system.

Description

High-environment-temperature air source swimming pool unit
Technical Field
The invention relates to the technical field of air source heat pump swimming pool systems, in particular to a high-environment-temperature air source swimming pool unit.
Background
The heat pump for swimming pool is a high-level heat energy device which can obtain low-grade heat energy from air, water or soil in nature, and can supply constant temperature to water in swimming pool and dehumidify indoor of swimming pool by doing work with electric power.
The existing air source heat pump swimming pool machine constant temperature system has both refrigeration operation and heating operation; and needs to prepare cold water at a lower temperature in a high-temperature environment; preparing high-temperature hot water in a low-temperature environment; refrigeration and heating are opposite processes, and the unit can not prepare low-temperature cold water in a high-temperature environment and can seriously cause high-pressure protection and high-temperature protection of a system under two modes of operation if a design method before a heat pump is adopted; high-temperature hot water is prepared in a high-temperature environment, so that high pressure is caused, and the exhaust temperature is too high; the swimming pool constant temperature system is urgently needed, and the technical problems that hot water and cold water can be prepared under the high-temperature environment by controlling the plurality of heat exchangers, and more hot water can be prepared by utilizing the heat absorbed by the plurality of heat exchangers under the low-temperature environment by refrigerating operation are solved.
Disclosure of Invention
In order to solve the prior technical problem, the invention provides a high-environment-temperature air source swimming pool unit, which comprises:
the compressor is respectively connected with the first input end and the first output end of the four-way reversing valve;
the water side heat exchanger is connected with the second output end of the four-way reversing valve;
the middle heat exchanger is respectively connected with the water side heat exchanger and a second output end connected with the four-way reversing valve;
the first air side heat exchanger is respectively connected with the second input end of the four-way reversing valve, the water side heat exchanger and the middle heat exchanger;
and the second air side heat exchanger is respectively connected with the second input end of the four-way reversing valve, the water side heat exchanger and the middle heat exchanger.
Preferably, a pressure load valve is also arranged between the compressor and the four-way reversing valve.
Preferably, the intermediate heat exchanger is connected to the water side heat exchanger through a first electronic expansion valve.
Preferably, the intermediate heat exchanger is connected to the second air side heat exchanger through a second electronic expansion valve.
Preferably, the first air side heat exchanger is connected to the water side heat exchanger through a third electronic expansion valve.
Preferably, the second air side heat exchanger is connected through a fourth electronic expansion valve water side heat exchanger.
Preferably, the method for preparing hot water by the swimming pool unit with the high-ambient-temperature air source comprises the following steps:
s101, closing a pressure load valve, a first electronic expansion valve and a second electronic expansion valve;
s102, preparing hot water by controlling a third electronic expansion valve.
Preferably, in the process of preparing hot water, under a medium-high temperature environment, hot water at 15-55 ℃ is prepared by closing the third electronic expansion valve;
under the low-temperature environment, hot water with the temperature of 15-55 ℃ is prepared by opening the third electronic expansion valve.
Preferably, the method for preparing cold water by the swimming pool unit with the high-ambient-temperature air source comprises the following steps:
s201, closing the pressure load valve;
s202, preparing cold water by controlling the first electronic expansion valve, the second electronic expansion valve, the third electronic expansion valve and the fourth electronic expansion valve.
Preferably, during the preparation of the cold water,
under the medium-high temperature environment, closing the first electronic expansion valve and the second electronic expansion valve, opening the third electronic expansion valve and the fourth electronic expansion valve, and preparing cold water at the temperature of 45-25 ℃;
and under a low-temperature environment, opening the first electronic expansion valve and the second electronic expansion valve, closing the third electronic expansion valve and the fourth electronic expansion valve, and preparing cold water at the temperature of 25-5 ℃.
The invention discloses the following technical effects:
the technical scheme provided by the invention can be used for preparing hot water and cold water in a high-temperature environment; under the low-temperature environment, the refrigeration operation can be realized, and more hot water can be prepared by absorbing heat by a plurality of heat exchangers at low temperature; and the swimming pool heat pump system has low manufacturing cost and simple structure, is convenient to popularize and apply, and provides a new technical choice for the swimming pool heat pump system.
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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view illustrating a flow direction of a refrigerant for preparing hot water in a medium-high temperature environment according to the present invention;
FIG. 2 is a schematic view illustrating a flow direction of a refrigerant for preparing hot water in a low temperature environment according to the present invention;
FIG. 3 is a schematic view showing the flow direction of the refrigerant for preparing cold water in the medium-high temperature environment according to the present invention;
FIG. 4 is a schematic view illustrating a flow direction of a refrigerant for preparing cold water in a low temperature environment according to the present invention;
FIG. 5 is a schematic view of the unit structure according to the present invention;
in the figure, 1 is a compressor, 2 is a four-way reversing valve, 3 is a water-side heat exchanger, 4 is an intermediate heat exchanger, 5 is a first air-side heat exchanger, 6 is a second control-side heat exchanger, 7 is a pressure relief valve, 8 is a fourth electronic expansion valve, 9 is a third electronic expansion valve, 10 is a first electronic expansion valve, and 11 is a second electronic expansion valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1-5, the present invention provides a high ambient temperature air source swimming pool unit, comprising:
the compressor 1 is respectively connected with a first input end and a first output end of the four-way reversing valve 2;
the water side heat exchanger 3 is connected with the second output end of the four-way reversing valve 2;
the middle heat exchanger 4 is respectively connected with the water side heat exchanger 3 and a second output end connected with the four-way reversing valve 2;
the first air side heat exchanger 5 is respectively connected with the second input end of the four-way reversing valve 2, the water side heat exchanger 3 and the middle heat exchanger 4;
and the second air side heat exchanger 6 is respectively connected with the second input end of the four-way reversing valve 2, the water side heat exchanger 3 and the middle heat exchanger 4.
Further preferably, a pressure load valve 7 is further disposed between the compressor 1 and the four-way reversing valve 2.
Further preferably, the intermediate heat exchanger 4 is connected to the water side heat exchanger 3 via a first electronic expansion valve 10.
Further preferably, the intermediate heat exchanger 4 is connected to the second air side heat exchanger 6 through a second electronic expansion valve 11.
Further preferably, the first air side heat exchanger 5 is connected to the water side heat exchanger 3 through a third electronic expansion valve 9.
Further preferably, the second air side heat exchanger 6 is connected to the water side heat exchanger 3 through a fourth electronic expansion valve 8.
Further preferably, the method for preparing hot water by the high-ambient-temperature air source swimming pool unit comprises the following steps:
s101, closing a pressure load valve 7, a first electronic expansion valve 10 and a second electronic expansion valve 11;
and S102, preparing hot water by controlling the third electronic expansion valve 9.
Further preferably, in the process of preparing hot water, hot water at 15-55 ℃ is prepared by closing the third electronic expansion valve 9 in a medium-high temperature environment;
under the low-temperature environment, hot water with the temperature of 15-55 ℃ is prepared by opening the third electronic expansion valve 9.
Further preferably, the method for preparing cold water by the high-ambient-temperature air source swimming pool unit comprises the following steps:
s201, closing the pressure load valve 7;
s202, preparing cold water by controlling the first electronic expansion valve 10, the second electronic expansion valve 11, the third electronic expansion valve 9 and the fourth electronic expansion valve 8.
Further preferably, during the preparation of the cold water,
under the medium-high temperature environment, closing the first electronic expansion valve 10 and the second electronic expansion valve 11, opening the third electronic expansion valve 9 and the fourth electronic expansion valve 8, and preparing cold water at the temperature of 45-25 ℃;
under the low-temperature environment, the first electronic expansion valve 10 and the second electronic expansion valve 11 are opened, the third electronic expansion valve 9 and the fourth electronic expansion valve 8 are closed, and cold water with the temperature of 25-5 ℃ is prepared.
Example 1: in the medium-high temperature environment, hot water is prepared, and the system operates as follows:
the system compressor 1 runs, passes through the four-way valve 2, then carries out heat exchange through the water side heat exchanger 3, the heat in the air is transferred to water, the refrigerant is throttled through the throttle valve 8, passes through the air side heat exchange 6, returns to the four-way valve 2 and then returns to the compressor 1, and the cycle operation is carried out in such a way, in this mode, the air side heat exchanger 5 does not run, and the valve 7-9-10-11 in the flow path is in a closed state; the mode solves the problem that only one air side heat exchanger is used when the air side heat exchanger is correspondingly reduced under the high-temperature condition, so that the heating operation pressure in the high-temperature environment can be reduced, and the normal operation of the system is ensured; wherein, the medium-high temperature can be defined as: t is more than or equal to 15 ℃ and less than or equal to 55 ℃; low temperature can be defined as: t is more than or equal to minus 25 ℃ and less than 15 ℃;
under low temperature environment, prepare hot water, the system operation is as follows:
the system comprises a system compressor 1, a four-way valve 2, a water side heat exchanger 3, a four-way valve 2, a compressor 1, a throttle valve 8, a throttle valve 9, an air side heat exchanger 5, an air side heat exchanger 6, a four-way valve 2 and a flow path, wherein the system compressor 1 runs, heat in air is transferred to water, a refrigerant is throttled through the throttle valves 8 and 9, then the refrigerant passes through the air side heat exchanger 5 and the air side heat exchanger 6, is gathered to the four-way valve 2 and then returns to the compressor 1, and the operation is circulated in the mode, the air side heat exchanger 5 participates in running, and valves 7-10-11 in the flow path are in a closed state; the mode solves the problem that the air side heat exchanger is correspondingly increased under the low-temperature condition, so that the heating operation capacity in the low-temperature environment can be reduced, the operation pressure at the low temperature is improved, and the normal operation of the system is ensured;
in the medium-high temperature environment, cold water is prepared, and the system operates as follows:
the system comprises a system compressor 1, a four-way valve 2, a water-side heat exchanger 3, a four-way valve 7-10-11, a four-way valve 2, a water-side heat exchanger 3, a water-side heat exchanger, a four-way valve, a water-side heat exchanger, a four-side heat exchanger, a water-side heat exchanger, a four-valve, a four-side heat exchanger, a four-side heat-valve, a four-side heat-6, a four-side heat exchanger, a four-valve, a four-side heat exchanger, a four-valve, a four-side heat exchanger, a four-connected heat exchanger, a four-side heat exchanger, a four-valve, a four-and a four-valve, a four-connected with a four-side heat exchanger, a four-connected with a heat exchanger, a four-connected with a heat exchanger, a valve, a four-connected with a valve, a four-connected with a valve; the mode solves the problem that the air side heat exchanger is enlarged under the high-temperature condition, so that the pressure of refrigeration operation in a high-temperature environment can be reduced, and the normal operation of a system is ensured;
under the low temperature environment, prepare lower cold water, the system operation is as follows:
the system compressor 1 runs, passes through the four-way valve 2, then carries out heat exchange through air side heat exchangers 5 and 6, and the heat of the refrigerant is transferred to air, wherein, the distribution of two paths of refrigerants of the air side heat exchangers 5 and 6 is inconsistent, and the refrigerant flow of the main path passing through the air side heat exchanger 5 is larger than the refrigerant flow passing through the air side heat exchanger 6. The refrigerant passing through the heat exchanger 6 is then throttled by the throttle valve 11, and the refrigerant in the air side heat exchanger 5 is taken away in heat by the intermediate heat exchanger 4, and the refrigerant in the air side heat exchanger 5 is cooled, and the temperature is lowered. Then, the refrigerant passing through the air side heat exchanger 5 is throttled for the second time by the throttle valve 10, and is subjected to cold energy exchange with water by the water side heat exchanger 3, thereby preparing cold water. The two paths of refrigerants are converged, then return to the four-way valve 2 and then return to the compressor 1, and the circulation operation is carried out. In this mode, both air side heat exchangers 5 and 6 are involved in system operation, the refrigerant flow path air side heat exchanger 6 belongs to the branch path, the refrigerant flow path air side heat exchanger 5 belongs to the main path, and the valve 7-8-9 is in a closed state; the mode is that under the condition of medium and low temperature environment, the intermediate heat exchanger is added, so that the temperature of the refrigerant in the flow path of the main path air side heat exchanger 5 is lower, and cold water with lower temperature is prepared.
The valve 7 belongs to a protection valve, which opens when the pressure and temperature exceed the set values of the compressor, thus performing the unloading activities of the pressure and temperature, normally belonging to the closed state.
The invention utilizes the mutual cooperation of a plurality of heat exchangers, and solves the problem that a heat pump system can produce hot water and cold water under a high-temperature environment; under the low-temperature environment, the refrigeration operation can be realized, and more hot water can be prepared by absorbing heat by a plurality of heat exchangers at low temperature.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures, and moreover, the terms "first", "second", "third", etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the present invention in its spirit and scope. Are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a high ring warm air source swimming pool unit, its characterized in that includes:
the compressor (1) is respectively connected with a first input end and a first output end of the four-way reversing valve (2);
the water side heat exchanger (3) is connected with the second output end of the four-way reversing valve (2);
the middle heat exchanger (4) is respectively connected with the water side heat exchanger (3) and the second output end connected with the four-way reversing valve (2);
the first air side heat exchanger (5) is respectively connected with the second input end of the four-way reversing valve (2), the water side heat exchanger (3) and the middle heat exchanger (4);
and the second air side heat exchanger (6) is respectively connected with the second input end of the four-way reversing valve (2), the water side heat exchanger (3) and the middle heat exchanger (4).
2. A high ambient temperature air source pool unit as claimed in claim 1, wherein:
and a pressure load valve (7) is also arranged between the compressor (1) and the four-way reversing valve (2).
3. A high ambient temperature air source pool unit as claimed in claim 2, wherein:
the intermediate heat exchanger (4) is connected with the water side heat exchanger (3) through a first electronic expansion valve (10).
4. A high ambient temperature air source pool unit as claimed in claim 3, wherein:
the intermediate heat exchanger (4) is connected with the second air side heat exchanger (6) through a second electronic expansion valve (11).
5. A high ambient temperature air source swimming pool unit, according to claim 4, characterized in that:
the first air side heat exchanger (5) is connected with the water side heat exchanger (3) through a third electronic expansion valve (9).
6. A high ambient temperature air source swimming pool unit, according to claim 5, characterized in that:
the second air side heat exchanger (6) is connected with the water side heat exchanger (3) through a fourth electronic expansion valve (8).
7. A high ambient temperature air source swimming pool unit, according to claim 6, characterized in that: the method for preparing hot water by the high-environment-temperature air source swimming pool unit comprises the following steps:
s101, closing the pressure load valve (7), the first electronic expansion valve (10) and the second electronic expansion valve (11);
s102, preparing the hot water by controlling the third electronic expansion valve (9).
8. A high ambient temperature air source pool unit as claimed in claim 7, wherein:
in the process of preparing the hot water, under a medium-high temperature environment, the hot water with the temperature of 15-55 ℃ is prepared by closing the third electronic expansion valve (9);
and under a low-temperature environment, the hot water with the temperature of 15-55 ℃ is prepared by opening the third electronic expansion valve (9).
9. A high ambient temperature air source swimming pool unit, according to claim 6, characterized in that: the method for preparing cold water by the high-ambient-temperature air source swimming pool unit comprises the following steps of:
s201, closing the pressure load valve (7);
s202, the cold water is prepared by controlling the first electronic expansion valve (10), the second electronic expansion valve (11), the third electronic expansion valve (9) and the fourth electronic expansion valve (8).
10. A high ambient temperature air source pool unit as claimed in claim 9, wherein:
in the course of the preparation of the cold water,
under the medium-high temperature environment, closing the first electronic expansion valve (10) and the second electronic expansion valve (11), opening the third electronic expansion valve (9) and the fourth electronic expansion valve (8), and preparing the cold water at the temperature of 45-25 ℃;
and under a low-temperature environment, opening the first electronic expansion valve (10) and the second electronic expansion valve (11), closing the third electronic expansion valve (9) and the fourth electronic expansion valve (8), and preparing the cold water at the temperature of 25-5 ℃.
CN202111487406.3A 2021-12-08 2021-12-08 High-environment-temperature air source swimming pool unit Active CN114151878B (en)

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CN114151878B CN114151878B (en) 2023-03-31

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