CN213019887U - Air conditioning system - Google Patents

Air conditioning system Download PDF

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Publication number
CN213019887U
CN213019887U CN202020968692.XU CN202020968692U CN213019887U CN 213019887 U CN213019887 U CN 213019887U CN 202020968692 U CN202020968692 U CN 202020968692U CN 213019887 U CN213019887 U CN 213019887U
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China
Prior art keywords
valve
water
heat exchanger
communicated
conditioning system
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Active
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CN202020968692.XU
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Chinese (zh)
Inventor
孟庆良
刘景升
侯郡阳
刘江彬
宋强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Application filed by Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioning Electric Co Ltd
Priority to CN202020968692.XU priority Critical patent/CN213019887U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272—Solar heating or cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Abstract

The utility model belongs to the technical field of the air conditioner, concretely relates to air conditioning system. The utility model discloses a set the water heat exchanger among the defroster to can be to the outdoor heat exchanger heating of off-premises station, solar hot water host computer passes through valve group and selectively communicates with water heat exchanger and domestic water tank. Therefore, the solar hot water main machine can be communicated with the water heat exchanger when the outdoor unit needs defrosting, the solar hot water main machine can be communicated with the domestic water tank when the outdoor unit does not need defrosting, hot water is supplied by the solar hot water main machine, and therefore the defrosting efficiency of the air conditioning system is guaranteed, and meanwhile the utilization rate of the solar hot water main machine is improved.

Description

Air conditioning system
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to air conditioning system.
Background
When the air conditioner is in heating operation in winter, the outdoor heat exchanger is frosted, so that a fin flow passage is blocked, and the performance of the heat exchanger is seriously influenced, so that the outdoor heat exchanger is generally required to be subjected to defrosting treatment.
Chinese patent application document (CN207035596U) discloses a defrosting system for a multi-split outdoor unit heat exchanger, which includes a flat-plate solar collector and a heat dissipation defrosting pipe disposed in the multi-split outdoor unit heat exchanger, wherein the flat-plate solar collector is connected to the heat dissipation defrosting pipe through a water pipe group, and the heat dissipation defrosting pipe is a heat exchange coil pipe.
However, the solar heat collector in the defrosting system of the outdoor heat exchanger is only used for defrosting the outdoor heat exchanger, so that the utilization rate of the solar heat collector is low; and meanwhile, the solar heat collector cannot be utilized to effectively defrost under the condition of cloudy days.
Accordingly, there is a need in the art for a new air conditioning system that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem among the prior art, just be used for defrosting the off-premises station heat exchanger for solving among the defrost system of current above-mentioned off-premises station heat exchanger, lead to the lower problem of solar collector's utilization ratio, the utility model provides an air conditioning system, air conditioning system includes off-premises station and defroster, defroster includes solar hot water host computer, water heat exchanger and domestic water tank, water heat exchanger sets to can be right the outdoor heat exchanger heating of off-premises station, solar hot water host computer through valve group selectively with water heat exchanger with domestic water tank intercommunication.
As a preferred technical solution of the above air conditioning system provided by the present invention, the valve group includes a first on-off valve, a second on-off valve, a third on-off valve, a fourth on-off valve, a fifth on-off valve, and a sixth on-off valve; a first water gap of the solar hot water main machine is communicated with a first end of the first on-off valve, and a second water gap of the solar hot water main machine is communicated with a first end of the second on-off valve; a first water port of the water heat exchanger is communicated with a first end of the third through-cut valve, and a second water port of the water heat exchanger is communicated with a first end of the fourth through-cut valve; the first water port of the domestic water tank is communicated with the first end of the fifth on-off valve, and the second water port of the domestic water tank is communicated with the first end of the sixth on-off valve; the second end of the first on-off valve, the second end of the third on-off valve and the second end of the fifth on-off valve are communicated with each other; and the second end of the second on-off valve, the second end of the fourth on-off valve and the second end of the sixth on-off valve are communicated with each other.
As an optimal technical solution of the above air conditioning system provided by the present invention, the defrosting device further includes a first water pump, and the first water pump is disposed on the third shut-off valve or the water flow pipeline where the fourth shut-off valve is located; and/or the defrosting device further comprises a second water pump, and the second water pump is arranged on the water flow pipeline where the fifth on-off valve or the sixth on-off valve is located.
As a preferred technical solution of the above air conditioning system provided by the present invention, the valve assembly includes a first three-way directional control valve and a second three-way directional control valve; the first end of the first three-way reversing valve is communicated with a first water port of the solar hot water main machine, the second end of the first three-way reversing valve is communicated with a first water port of the water heat exchanger, and the third end of the first three-way reversing valve is communicated with a first water port of the domestic water tank; the first end of the second three-way reversing valve is communicated with a second water port of the solar hot water main machine, the second end of the second three-way reversing valve is communicated with a second water port of the water heat exchanger, and the third end of the second three-way reversing valve is communicated with a second water port of the domestic water tank.
As the utility model provides an above-mentioned air conditioning system's an optimal technical scheme, water heat exchanger set up in the box of off-premises station, just water heat exchanger is located the air inlet side of outdoor heat exchanger.
As the utility model provides an above-mentioned air conditioning system's an optimal technical scheme, water heat exchanger with be provided with the wind-guiding baffle between the outdoor heat exchanger, be provided with the wind-guiding hole on the wind-guiding baffle.
As the utility model provides an above-mentioned air conditioning system's an optimal technical scheme, being close to of wind-guiding hole the aperture of water heat exchanger one side is greater than and is close to the aperture of outdoor heat exchanger one side.
As an optimized technical solution of the above air conditioning system provided by the present invention, the water heat exchanger has an air flow gap.
As the utility model provides an above-mentioned air conditioning system's an preferred technical scheme, defroster still includes auxiliary fan, auxiliary fan set up in water heat exchanger dorsad one side of outdoor heat exchanger.
As the utility model provides an above-mentioned air conditioning system's an preferred technical scheme, outdoor heat exchanger's surface is provided with hydrophobic coating.
The utility model provides a pair of among the air conditioning system, through setting the water heat exchanger among the defroster to can be to the outdoor heat exchanger heating of off-premises station, solar hot water host computer passes through valve group and selectively communicates with water heat exchanger and domestic water tank. Therefore, the solar hot water main machine can be communicated with the water heat exchanger when the outdoor unit needs defrosting, the solar hot water main machine can be communicated with the domestic water tank when the outdoor unit does not need defrosting, hot water is supplied by the solar hot water main machine, and therefore the defrosting efficiency of the air conditioning system is guaranteed, and meanwhile the utilization rate of the solar hot water main machine is improved.
Furthermore, the utility model provides a pair of among the air conditioning system, valve group includes first on-off valve, second on-off valve, third on-off valve, fourth on-off valve, fifth on-off valve and sixth on-off valve. Therefore, when the hot water capacity of the solar hot water main unit is insufficient in cloudy days or at night, the water heat exchanger and the domestic water tank can be conducted through the valve group, and the outdoor unit is defrosted by using hot water in the domestic water tank, so that the defrosting reliability in the air conditioning system is further ensured.
Drawings
The air conditioning system of the present invention is described below with reference to the accompanying drawings. In the drawings:
fig. 1 is a schematic structural diagram of an air conditioning system according to the present embodiment;
fig. 2 is a schematic structural diagram of a first embodiment of a valve group in the air conditioning system of the embodiment;
fig. 3 is a schematic structural diagram of a second embodiment of a valve group in the air conditioning system of the embodiment;
fig. 4 is a schematic structural diagram of an air guiding partition plate in the air conditioning system of the present embodiment.
List of reference numerals
1-solar hot water main machine; 2-a water heat exchanger; 3-a domestic water tank; 4-outdoor heat exchanger; 5-outdoor fan; 61-a first water pump; 62-a second water pump; 7-air guide partition board; 71-air guide holes; 8-auxiliary fan; 91-a first on-off valve; 92-a second on-off valve; 93-a third shutoff valve; 94-a fourth shut-off valve; 95-fifth on-off valve; 96-a sixth on-off valve; 97-a first three-way reversing valve; 98-a second three-way reversing valve; 101-a compressor; 102-an oil separator; 103-gas-liquid separator; 104-a four-way reversing valve; 105-an electronic expansion valve; 106-indoor heat exchanger; 107-indoor fan.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the drawings of the present embodiment illustrate the direct connection between the solar hot water main unit and the water heat exchanger, the connection relationship is not constant, and those skilled in the art can adjust the connection relationship as needed to suit specific applications without departing from the principles of the present invention. For example, the water heat exchanger can also be indirectly connected with the solar hot water main machine through a domestic hot water tank.
It should be noted that, in the description of the present invention, the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless explicitly stated or limited otherwise, the term "connected" may be directly connected or indirectly connected through intervening media, or may communicate between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to solve the above problems in the prior art, that is, to solve the problem that the utilization rate of the solar heat collector is low due to the fact that the solar heat collector in the defrosting system of the outdoor heat exchanger is only used for defrosting the outdoor heat exchanger, the embodiment provides an air conditioning system, the air conditioning system includes an outdoor unit and a defrosting device, the defrosting device includes a solar hot water main unit 1, a water heat exchanger 2 and a domestic water tank 3, the water heat exchanger 2 is configured to heat an outdoor heat exchanger 4 of the outdoor unit, and the solar hot water main unit 1 is selectively communicated with the water heat exchanger 2 and the domestic water tank 3 through a valve set.
For example, in the air conditioning system shown in fig. 1, a compressor 101, an oil separator 102, a four-way selector valve 104, an outdoor heat exchanger 4, an electronic expansion valve 105, an indoor heat exchanger 106, and a gas-liquid separator 103 are disposed on a refrigerant circulation line of the air conditioning system, an indoor fan 107 is disposed in the indoor heat exchanger 106, an outdoor fan 5 is disposed in the outdoor heat exchanger 4, and the outdoor fan 5 is generally disposed on an air outlet side of the outdoor heat exchanger 4.
In a water circulation system of the defrosting device, a first water gap and a second water gap of a solar hot water main machine 1 are respectively communicated with a first water gap and a second water gap of a water heat exchanger 2 through a valve group, and the first water gap and the second water gap of the solar hot water main machine 1 are also communicated with a first water gap and a second water gap of a domestic water tank 3 through the valve group; the solar hot water main machine 1 supplies water to the water heat exchanger 2 or the domestic water tank 3 by controlling the valves in the valve group.
The water heat exchanger 2 may be disposed in a box of the outdoor unit, the water heat exchanger 2 is located on an air inlet side of the outdoor heat exchanger 4, and the water heat exchanger 2 has an air gap, for example, the water heat exchanger 2 may be a fin heat exchanger, the air flow absorbs heat when passing through the water heat exchanger 2 and passes through the outdoor heat exchanger 4, and the water heat exchanger 2 eliminates frosting on the outdoor heat exchanger 4 by the heat generated by the water heat exchanger 2.
In the air conditioning system provided by the embodiment, the water heat exchanger 2 in the defrosting device is arranged to heat the outdoor heat exchanger 4 of the outdoor unit, and the solar hot water main unit 1 is selectively communicated with the water heat exchanger 2 and the domestic water tank 3 through a valve group. Therefore, when the outdoor unit needs defrosting, the solar hot water main unit 1 and the water heat exchanger 2 can be conducted, when the outdoor unit does not need defrosting, the solar hot water main unit 1 and the domestic water tank 3 can be conducted, hot water is supplied by the solar hot water main unit 1, and therefore the defrosting efficiency of the air conditioning system is guaranteed, and meanwhile the utilization rate of the solar hot water main unit 1 is improved.
As a preferred embodiment of the air conditioning system provided in this embodiment, as shown in fig. 1 and fig. 2, the valve set includes a first on-off valve 91, a second on-off valve 92, a third on-off valve 93, a fourth on-off valve 94, a fifth on-off valve 95, and a sixth on-off valve 96; a first water gap of the solar hot water main unit 1 is communicated with a first end of a first on-off valve 91, and a second water gap of the solar hot water main unit 1 is communicated with a first end of a second on-off valve 92; a first water port of the water heat exchanger 2 is communicated with a first end of a third cut-off valve 93, and a second water port of the water heat exchanger 2 is communicated with a first end of a fourth cut-off valve 94; a first water port of the domestic water tank 3 is communicated with a first end of a fifth on-off valve 95, and a second water port of the domestic water tank 3 is communicated with a first end of a sixth on-off valve 96; the second end of the first on-off valve 91, the second end of the third on-off valve 93 and the second end of the fifth on-off valve 95 are communicated with each other; the second end of the second block valve 92, the second end of the fourth block valve 94 and the second end of the sixth block valve 96 are in communication with one another.
Illustratively, the first, second, third, fourth, fifth, and sixth on- off valves 91, 92, 93, 94, 95, 96 may each be selected as solenoid or electric valves.
When the outdoor heat exchanger 4 needs to be defrosted by the solar hot water main unit 1, the first on-off valve 91, the second on-off valve 92, the third on-off valve 93 and the fourth on-off valve 94 can be opened, the fifth on-off valve 95 and the sixth on-off valve 96 are closed, and a circulation water path is formed between the solar hot water main unit 1 and the water heat exchanger 2.
When the outdoor heat exchanger 4 does not need defrosting, the first on-off valve 91, the second on-off valve 92, the fifth on-off valve 95 and the sixth on-off valve 96 may be opened, and the third on-off valve 93 and the fourth on-off valve 94 may be closed, so that a circulation water path is formed between the solar hot water main unit 1 and the domestic water tank 3, and water in the domestic water tank 3 is heated.
When the hot water capacity of the solar hot water main unit 1 is insufficient in cloudy days or at night, the third on-off valve 93, the fourth on-off valve 94, the fifth on-off valve 95 and the sixth on-off valve 96 can be opened, the first on-off valve 91 and the second on-off valve 92 are closed, a circulating water path is formed between the water heat exchanger 2 and the domestic water tank 3, and hot water in the domestic water tank 3 is used for defrosting.
In addition, in a cold environment, when the water temperature of the domestic water tank 3 reaches a preset temperature and the outdoor heat exchanger 4 does not need defrosting, the first on-off valve 91, the second on-off valve 92, the third on-off valve 93 and the fourth on-off valve 94 can be opened by default, the fifth on-off valve 95 and the sixth on-off valve 96 are closed at the same time, a circulating water path is formed between the solar hot water main unit 1 and the water heat exchanger 2, and the water heat exchanger 2 slows down frosting of the outdoor heat exchanger 4 through the heat of the water heat exchanger 2.
In the air conditioning system of the present embodiment, the valve group includes a first on-off valve 91, a second on-off valve 92, a third on-off valve 93, a fourth on-off valve 94, a fifth on-off valve 95, and a sixth on-off valve 96. Therefore, when the hot water capacity of the solar hot water main unit 1 is insufficient in cloudy days or at night, the water heat exchanger 2 and the domestic water tank 3 can be conducted through the valve group, and the outdoor unit is defrosted by using the hot water in the domestic water tank 3, so that the defrosting reliability in the air conditioning system is further ensured.
As a preferred embodiment of the air conditioning system provided in this embodiment, as shown in fig. 1 and fig. 2, the defrosting device further includes a first water pump 61, and the first water pump 61 is disposed on the water flow pipeline where the third shut-off valve 93 or the fourth shut-off valve 94 is located; and/or the defrosting device further comprises a second water pump 62, the second water pump 62 being arranged on the water flow line on which the fifth or sixth cut-off valve 95, 96 is located.
In the embodiment of fig. 1 and 2, the first water pump 61 is disposed on the water flow line where the third cut-off valve 93 is disposed, and the second water pump 62 is disposed on the water flow line where the sixth cut-off valve 96 is disposed.
The first water pump 61 can provide power for water circulation between the solar hot water main unit 1 and the water heat exchanger 2, and the second water pump 62 can provide power for water circulation between the solar hot water main unit 1 and the domestic water tank 3. The first water pump 61 or the second water pump 62 may be selectively turned on when the water circulation between the water heat exchanger 2 and the domestic water tank 3 is required to be powered. Simultaneously, can set up the bypass pipe between the water inlet of first water pump 61 and delivery port, perhaps can set up the bypass pipe between the water inlet of second water pump 62 and delivery port, and can set up the stop valve on the bypass pipe, when producing water cycle between water heat exchanger 2 and domestic water tank 3, when starting one of them water pump, can open the bypass pipe that another water pump corresponds, avoid another water pump to produce the resistance to water cycle.
As a preferred embodiment of the air conditioning system provided in this embodiment, fig. 3 shows another valve set in the air conditioning system of this embodiment, where the valve set includes a first three-way reversing valve 97 and a second three-way reversing valve 98; a first end of a first three-way reversing valve 97 is communicated with a first water gap of the solar hot water main unit 1, a second end of the first three-way reversing valve 97 is communicated with a first water gap of the water heat exchanger 2, and a third end of the first three-way reversing valve 97 is communicated with a first water gap of the domestic water tank 3; the first end of the second three-way reversing valve 98 is communicated with the second water port of the solar hot water main unit 1, the second end of the second three-way reversing valve 98 is communicated with the second water port of the water heat exchanger 2, and the third end of the second three-way reversing valve 98 is communicated with the second water port of the domestic water tank 3.
For example, when the outdoor heat exchanger 4 needs to be defrosted by using the solar hot water main unit 1, the first water gap of the solar hot water main unit 1 and the first water gap of the water heat exchanger 2 may be communicated through the first three-way reversing valve 97, and the second water gap of the solar hot water main unit 1 and the second water gap of the water heat exchanger 2 may be communicated through the second three-way reversing valve 98, so that a circulating water path is formed between the solar hot water main unit 1 and the water heat exchanger 2.
When the outdoor heat exchanger 4 does not need defrosting, the first water gap of the solar hot water main unit 1 and the first water gap of the domestic water tank 3 can be communicated through the first three-way reversing valve 97, the second water gap of the solar hot water main unit 1 and the second water gap of the domestic water tank 3 are communicated through the second three-way reversing valve 98, and a circulating water path is formed between the solar hot water main unit 1 and the domestic water tank 3.
As a preferred embodiment of the air conditioning system according to the present embodiment, as shown in fig. 1 to 4, an air guide partition plate 7 is provided between the water heat exchanger 2 and the outdoor heat exchanger 4, and an air guide hole 71 is provided in the air guide partition plate 7. The aperture of the air guide hole 71 on the side close to the water heat exchanger 2 is larger than the aperture on the side close to the outdoor heat exchanger 4, so that a large amount of air passes through the air guide partition 7, the air speed is increased, and then the air is blown to the outdoor heat exchanger 4. The air guide hole 71 close to one side of the outdoor heat exchanger 4 can also be aligned with the airflow gap of the outdoor heat exchanger 4, so that hot air generated by the water heat exchanger 2 can be effectively utilized, and the defrosting effect of the outdoor heat exchanger 4 is improved.
As a preferred embodiment of the air conditioning system provided in this embodiment, since the arrangement of the water heat exchanger 2 may form a certain obstacle to the heat exchange between the outdoor heat exchanger 4 itself and the ambient air, the defrosting device may further include an auxiliary fan 8, and the auxiliary fan 8 is arranged on the side of the water heat exchanger 2 facing away from the outdoor heat exchanger 4. Thus, the efficiency of heat exchange of the outdoor heat exchanger 4 with the ambient air can be ensured by the auxiliary fan 8.
As a preferred embodiment of the air conditioning system provided in this embodiment, a hydrophobic coating may be provided on the outer surface of the outdoor heat exchanger 4, so that water droplets are not easily condensed on the surface of the outdoor heat exchanger 4, thereby further reducing the frosting on the surface of the outdoor heat exchanger 4.
Of course, the above alternative embodiments, and the alternative embodiments and the preferred embodiments can also be used in a cross-matching manner, so that a new embodiment is combined to be suitable for a more specific application scenario.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (10)

1. The air conditioning system is characterized by comprising an outdoor unit and a defrosting device, wherein the defrosting device comprises a solar hot water host, a water heat exchanger and a domestic water tank, the water heat exchanger is arranged to heat the outdoor heat exchanger of the outdoor unit, and the solar hot water host is selectively communicated with the water heat exchanger and the domestic water tank through a valve group.
2. The air conditioning system of claim 1, wherein the valve set includes a first on-off valve, a second on-off valve, a third on-off valve, a fourth on-off valve, a fifth on-off valve, and a sixth on-off valve;
a first water gap of the solar hot water main machine is communicated with a first end of the first on-off valve, and a second water gap of the solar hot water main machine is communicated with a first end of the second on-off valve;
a first water port of the water heat exchanger is communicated with a first end of the third through-cut valve, and a second water port of the water heat exchanger is communicated with a first end of the fourth through-cut valve;
the first water port of the domestic water tank is communicated with the first end of the fifth on-off valve, and the second water port of the domestic water tank is communicated with the first end of the sixth on-off valve;
the second end of the first on-off valve, the second end of the third on-off valve and the second end of the fifth on-off valve are communicated with each other;
and the second end of the second on-off valve, the second end of the fourth on-off valve and the second end of the sixth on-off valve are communicated with each other.
3. The air conditioning system of claim 2, wherein the defrosting device further comprises a first water pump disposed on the water flow pipeline on which the third shut-off valve or the fourth shut-off valve is disposed; and/or the like and/or,
the defrosting device further comprises a second water pump, and the second water pump is arranged on the water flow pipeline where the fifth on-off valve or the sixth on-off valve is located.
4. The air conditioning system of claim 1, wherein the valve set includes a first three-way reversing valve and a second three-way reversing valve;
the first end of the first three-way reversing valve is communicated with a first water port of the solar hot water main machine, the second end of the first three-way reversing valve is communicated with a first water port of the water heat exchanger, and the third end of the first three-way reversing valve is communicated with a first water port of the domestic water tank;
the first end of the second three-way reversing valve is communicated with a second water port of the solar hot water main machine, the second end of the second three-way reversing valve is communicated with a second water port of the water heat exchanger, and the third end of the second three-way reversing valve is communicated with a second water port of the domestic water tank.
5. The air conditioning system of claim 1, wherein the water heat exchanger is disposed in a casing of the outdoor unit, and the water heat exchanger is located on an air intake side of the outdoor heat exchanger.
6. The air conditioning system as claimed in claim 5, wherein an air guide partition plate is disposed between the water heat exchanger and the outdoor heat exchanger, and an air guide hole is disposed on the air guide partition plate.
7. The air conditioning system as claimed in claim 6, wherein the air guide hole has a larger diameter on a side close to the water heat exchanger than on a side close to the outdoor heat exchanger.
8. The air conditioning system of claim 5, wherein the water heat exchanger has an airflow gap.
9. The air conditioning system of claim 8, wherein the defrosting device further comprises an auxiliary fan disposed on a side of the water heat exchanger facing away from the outdoor heat exchanger.
10. An air conditioning system as claimed in any one of claims 1 to 9, wherein the outer surface of the outdoor heat exchanger is provided with a hydrophobic coating.
CN202020968692.XU 2020-06-01 2020-06-01 Air conditioning system Active CN213019887U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020968692.XU CN213019887U (en) 2020-06-01 2020-06-01 Air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020968692.XU CN213019887U (en) 2020-06-01 2020-06-01 Air conditioning system

Publications (1)

Publication Number Publication Date
CN213019887U true CN213019887U (en) 2021-04-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020968692.XU Active CN213019887U (en) 2020-06-01 2020-06-01 Air conditioning system

Country Status (1)

Country Link
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GR01 Patent grant