CN216281830U - Air conditioning system - Google Patents

Air conditioning system Download PDF

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Publication number
CN216281830U
CN216281830U CN202122922494.7U CN202122922494U CN216281830U CN 216281830 U CN216281830 U CN 216281830U CN 202122922494 U CN202122922494 U CN 202122922494U CN 216281830 U CN216281830 U CN 216281830U
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fresh air
heat exchange
air
heat exchanger
outdoor
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黄剑云
刘步东
杜顺开
徐振坤
李金波
高卓贤
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GD Midea Air Conditioning Equipment Co Ltd
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GD Midea Air Conditioning Equipment Co Ltd
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Abstract

The utility model discloses an air conditioning system which comprises an outdoor shell, a fresh air heat exchange system and an air conditioning heat exchange system, wherein the fresh air heat exchange system comprises a fresh air outdoor heat exchange assembly which is arranged in the outdoor shell; according to the technical scheme, the outdoor heat exchange assembly of the fresh air heat exchange system and the outdoor heat exchange assembly of the air conditioner heat exchange system are integrated in the outdoor machine shell, so that two outdoor machines are integrated into one outdoor machine, and only one outdoor machine needs to be installed when the air conditioner system is installed, so that the occupied area and the installation workload are reduced.

Description

Air conditioning system
Technical Field
The utility model relates to the technical field of household appliances, in particular to an air conditioning system.
Background
In the radiation system, cold and hot water is prepared through an air-conditioning heat exchange system, is conveyed to an indoor ceiling or floor water pipe, and then exchanges heat with the indoor in a radiation heat exchange and natural convection heat exchange mode; and the treatment such as replacement, dehumidification, humidification, purification of indoor air is realized through the new trend system to reach comfortable, healthy purpose. The fresh air heat exchange system in the fresh air system adopts a split type fresh air heat exchange system with a cold source, and an external machine is required to be configured for heat exchange with an outdoor environment; the air-cooled air conditioner heat exchange system also needs an outer machine, so that two outer machines exist, the two outer machines need to occupy two outer machine positions and too many positions when being installed, the two outer machines are installed, and the installation workload is also large.
Disclosure of Invention
The utility model mainly aims to provide an air conditioning system, and aims to solve the problems of large occupied area and complex installation of an external unit of a fresh air radiation air conditioner.
In order to achieve the above object, the present invention provides an air conditioning system, comprising:
an outdoor enclosure;
the fresh air heat exchange system comprises a fresh air outdoor heat exchange assembly, and the fresh air outdoor heat exchange assembly is arranged in the outdoor shell; and the number of the first and second groups,
the air conditioner heat exchange system comprises an air conditioner outdoor heat exchange assembly, and the air conditioner outdoor heat exchange assembly is arranged in the outdoor shell.
Optionally, a fresh air refrigerant flow path is formed in the fresh air heat exchange system, the fresh air heat exchange system further comprises a fresh air indoor heat exchange assembly, and the fresh air indoor heat exchange assembly comprises:
the fresh air chamber inner shell is provided with a fresh air duct; and the number of the first and second groups,
and the first fresh air chamber inner heat exchanger is arranged in the fresh air duct and is positioned on the fresh air refrigerant flow path.
Optionally, the indoor heat exchange assembly of new trend still includes the new trend fan, the new trend fan is located in the new trend wind channel, and be close to the air outlet setting in new trend wind channel.
Optionally, the fresh air indoor heat exchange assembly further comprises a heating device, and a heating portion of the heating device is arranged in the fresh air duct and is located between the fresh air fan and the heat exchanger in the first fresh air chamber.
Optionally, the fresh air outdoor heat exchange assembly comprises a fresh air outdoor heat exchanger;
indoor heat exchange assembly of new trend still includes:
the second fresh air indoor heat exchanger is arranged in the fresh air duct and is positioned on one side, facing the fresh air fan, of the first fresh air chamber inner heat exchanger, and the second fresh air indoor heat exchanger is positioned on the fresh air refrigerant flow path and is positioned between the first fresh air chamber inner heat exchanger and the fresh air chamber outer heat exchanger; and the number of the first and second groups,
and the first throttling element is arranged on the fresh air refrigerant flow path and is positioned between the second fresh air indoor heat exchanger and the first fresh air indoor heat exchanger.
Optionally, the fresh air outdoor heat exchange assembly further comprises a second throttling element, and the second throttling element is arranged on the fresh air refrigerant flow path and is located between the second fresh air indoor heat exchanger and the fresh air outdoor heat exchanger.
Optionally, a radiation refrigerant flow path is formed in the air-conditioning heat exchange system, the air-conditioning heat exchange system further comprises an air-conditioning indoor heat exchange assembly, and the air-conditioning indoor heat exchange assembly comprises:
the water side heat exchanger is arranged on the radiation refrigerant flow path; and the number of the first and second groups,
and the radiation side heat exchanger is communicated with the water side heat exchanger.
Optionally, the fresh air outdoor heat exchange assembly comprises a fresh air outdoor heat exchanger, and the air conditioner heat exchange system comprises an air conditioner outdoor heat exchange assembly;
the air conditioning system also comprises at least one outdoor fan arranged in the outdoor shell and used for dissipating heat of the fresh air outdoor heat exchanger and the air conditioning outdoor heat exchange assembly.
Optionally, a fresh air refrigerant flow path is formed in the fresh air heat exchange system, and a first compressor, a first four-way valve, a fresh air outdoor heat exchanger, a second throttling element and a first fresh air chamber internal heat exchanger are sequentially arranged on the fresh air refrigerant flow path, wherein the first four-way valve is communicated with the first compressor, the fresh air outdoor heat exchanger and the first fresh air chamber internal heat exchanger;
the fresh air outdoor heat exchange assembly comprises the first compressor, the first four-way valve, the fresh air outdoor heat exchanger and the second throttling element;
the fresh air heat exchange system further comprises a fresh air indoor heat exchange assembly, and the fresh air indoor heat exchange assembly comprises the first fresh air chamber inner heat exchanger.
Optionally, a radiation refrigerant flow path is formed in the air-conditioning heat exchange system, and a second compressor, a second four-way valve, an air-conditioning outdoor heat exchange assembly, a third throttling element and a water-side heat exchanger are sequentially arranged on the radiation refrigerant flow path, wherein the second four-way valve is communicated with the second compressor, the air-conditioning outdoor heat exchange assembly and the water-side heat exchanger;
the air conditioner outdoor heat exchange assembly comprises the second compressor, the second four-way valve, the air conditioner outdoor heat exchange assembly and the third throttling element;
the air-conditioning heat exchange system further comprises an air-conditioning indoor heat exchange assembly, and the air-conditioning indoor heat exchange assembly comprises the water side heat exchanger.
According to the technical scheme, the outdoor heat exchange assembly of the fresh air heat exchange system and the outdoor heat exchange assembly of the air conditioner heat exchange system are integrated in the outdoor unit shell, so that two outdoor units are integrated into one outdoor unit, only one outdoor unit needs to be installed when the fresh air radiation air conditioner is installed, and the occupied area and the installation workload are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of an air conditioning system provided by the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of an air conditioning system according to the present invention;
fig. 3 is a schematic structural diagram of an air conditioning system according to a third embodiment of the present invention.
The reference numbers illustrate:
Figure BDA0003372919430000031
Figure BDA0003372919430000041
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the radiation system, cold and hot water is prepared through an air-conditioning heat exchange system, is conveyed to an indoor ceiling or floor water pipe, and then exchanges heat with the indoor in a radiation heat exchange and natural convection heat exchange mode; and the treatment such as replacement, dehumidification, humidification, purification of indoor air is realized through the new trend system to reach comfortable, healthy purpose. The fresh air heat exchange system in the fresh air system adopts a split type fresh air heat exchange system with a cold source, and an external machine is required to be configured for heat exchange with an outdoor environment; the air-cooled air conditioner heat exchange system also needs an outer machine, so that two outer machines exist, the two outer machines need to occupy two outer machine positions and too many positions when being installed, the two outer machines are installed, and the installation workload is also large.
In view of this, the present invention provides an air conditioning system 100, fig. 1 is an embodiment of the air conditioning system 100 provided by the present invention, please refer to fig. 1, an outdoor enclosure 10 of the air conditioning system 100, a fresh air heat exchange system 20 and an air conditioning heat exchange system 50, the fresh air heat exchange system 20 includes a fresh air outdoor heat exchange assembly 30, the fresh air outdoor heat exchange assembly 30 is installed in the outdoor enclosure 10, the air conditioning heat exchange system 50 includes an air conditioning outdoor heat exchange assembly 60, and the air conditioning outdoor heat exchange assembly 60 is installed in the outdoor enclosure 10. It can be understood that two original outer machines are integrated into an outer machine, internal parts of the two outer machines can be effectively integrated together, and the volume of the integrated outer machine is smaller than the sum of the volumes of the two original outer machines, so that the occupied space of the air conditioner outer machine is reduced. The mounting work of the air conditioner outdoor unit is mainly determined by the quantity, the mounting work of one outdoor unit is far smaller than that of the other outdoor unit, and the sum of the two volumes is larger than that of the outdoor unit.
In the technical scheme of the utility model, the outdoor heat exchange assembly of the fresh air heat exchange system 20 and the outdoor heat exchange assembly of the air conditioner heat exchange system 50 are integrated in the outdoor casing 10, so that two outdoor units are integrated into one outdoor unit.
It should be noted that the air-conditioning heat exchange system 50 may be a heat pump air conditioner, or may be a radiation heat exchange system, which is not limited herein, in this embodiment, the air-conditioning heat exchange system mainly refers to a radiation heat exchange system, specifically, the radiation heat exchange system prepares cold and hot water, and conveys the cold and hot water to an indoor ceiling or floor water pipe, and then exchanges heat with the indoor in a radiation heat exchange + natural convection heat exchange manner, and the fresh air system can circulate indoor air, so that on one hand, dirty indoor air is discharged outdoors, and on the other hand, outdoor fresh air is sterilized, filtered, and then is input indoors, so that the room is always fresh and clean air.
Specifically, a fresh air refrigerant flow path is formed in the fresh air heat exchange system 20, the fresh air heat exchange system 20 further comprises a fresh air indoor heat exchange assembly 40, and the fresh air indoor heat exchange assembly 40 comprises: a fresh air chamber inner shell and a first fresh air chamber inner heat exchanger 41, wherein a fresh air duct is formed on the fresh air chamber inner shell; the first fresh air chamber inner heat exchanger 41 is arranged in the fresh air duct and is positioned on the fresh air refrigerant flow path.
In order to realize the fresh air heat exchange system 20 is to indoor heat transfer, be formed with the fresh air coolant flow path in the fresh air heat exchange system 20, the fresh air heat exchange system 20 still includes fresh air indoor heat exchange assembly 40, fresh air indoor heat exchange assembly 40 includes: a fresh air duct is formed by the fresh air chamber inner shell and the first fresh air chamber inner heat exchanger 41; and the first fresh air chamber internal heat exchanger 41 is arranged in the fresh air duct and is positioned on the fresh air refrigerant flow path, so that the refrigerant subjected to heat exchange by the fresh air outdoor heat exchange assembly 30 flows into the first fresh air chamber internal heat exchanger 41 through the fresh air refrigerant flow path to exchange heat with indoor air.
In the cooling mode, the refrigerant releases heat in the fresh air outdoor heat exchange assembly 30 and is retained in the first fresh air chamber internal heat exchanger 41 through the fresh air refrigerant flow path to absorb heat, thereby completing the cooling loop, and in the heating mode, the refrigerant absorbs heat in the fresh air outdoor heat exchange assembly 30 and is retained in the first fresh air chamber internal heat exchanger 41 through the fresh air refrigerant flow path to release heat, thereby completing the heating loop.
Further, the indoor heat exchange assembly of new trend 40 still includes new trend fan 45, new trend fan 45 locates in the new trend wind channel, and be close to the air outlet setting in new trend wind channel sets up new trend fan 45 through setting up in air outlet department, can effectually realize circulation, taking a breath between room air and the outdoor air, also air-purifying's effect.
It should be noted that, the fresh air heat exchange system 20 and the air-conditioning heat exchange system 50 are similar to an air conditioner and also have corresponding outdoor units, and when heating is performed in winter, the outdoor units also have a frosting condition, and in the prior art, when defrosting is performed, the fresh air heat exchange system 20 and the air-conditioning heat exchange system 50 have a defrosting condition which is not performed simultaneously, for example, the air-conditioning heat exchange system 50 performs defrosting alone, or the fresh air heat exchange system 20 performs defrosting alone. In the prior art, when the air-conditioning heat exchange system 50 defrosts alone, although the fresh air heat exchange system 20 does not defrosts, the defrosting of the air-conditioning heat exchange system 50 can cause the fresh air heat exchange system 20 to preheat fresh air which cannot be normally supplied to the room, and the supply of the preheated fresh air is interrupted.
In order to solve the above problems, in this embodiment, the structure of the heat supply system is improved, please refer to fig. 1 and fig. 2, and the specific structure is shown in fig. 2, the fresh air indoor heat exchange assembly 40 further includes a heating device 42, a heating portion of the heating device 42 is disposed in the fresh air duct and between the fresh air fan 45 and the heat exchanger 41 in the first fresh air chamber, when the air-conditioning heat exchange system 50 defrosts, the fresh air heat exchange system 20 cannot normally supply preheated fresh air to the indoor, at this time, the second compressor 61 of the air-conditioning heat exchange system 50 exhausts air, the first compressor 31 of the fresh air heat exchange system 20 is turned off, the outdoor fan 11 is turned off, when the fresh air heat exchange system 20 heats, the heating device 42 is turned on, the heating device 42 can raise the temperature of fresh air, and the fresh air is preheated when the air-conditioning heat exchange system 50 defrosts, thereby guaranteeing the uninterrupted supply of the preheated fresh air. Moreover, only by means of the heating device 42, heating of the fresh air may result in a situation of low air outlet temperature, and at this time, it may be considered that the air speed of the fresh air fan 45 is correspondingly reduced, so that the air outlet temperature can be increased to a certain extent.
It is easy to understand that, when the air-conditioning heat exchange system 50 meets the condition of exiting defrosting, that is, after the air-conditioning heat exchange system 50 completes defrosting, the outdoor fan and the first compressor are turned on, and the air-conditioning heat exchange system 50 and the new fan are controlled to start heating operation. It should be emphasized that after the outdoor air 11 and the first compressor 31 are turned on, the heating device 42 may be selected to be turned off temporarily, or the heating device 42 may be selected to be turned on continuously, and the selection may be made according to the actual requirements of the user, which is not limited herein.
In addition, when the fresh air heat exchange system 20 performs dehumidification, if the outdoor environment temperature is low, the fresh air will have insufficient heat, and the outlet air temperature is low, so please refer to fig. 1 and 3, the fresh air outdoor heat exchange assembly 30 includes a fresh air outdoor heat exchanger 33; indoor heat exchange assemblies of new trend 40 still includes: a second fresh air indoor heat exchanger 43 and a first throttling element 44, wherein the second fresh air indoor heat exchanger 43 is arranged in the fresh air duct and is positioned on one side of the first fresh air indoor heat exchanger 41 facing the fresh air fan 45, and the second fresh air indoor heat exchanger 43 is positioned on the fresh air refrigerant flow path and is positioned between the first fresh air indoor heat exchanger 41 and the fresh air outdoor heat exchanger 33; the first throttling element 44 is arranged on the fresh air refrigerant flow path and between the second fresh air indoor heat exchanger 43 and the first fresh air indoor heat exchanger 41, so that in the low-temperature dehumidification reheating mode, the refrigerant condensed by the outdoor heat exchanger enters the second fresh air indoor heat exchanger 43 for condensation and heating, is throttled and depressurized by the second throttling element 34, enters the first fresh air indoor heat exchanger 41 for evaporation and heat absorption, and accordingly the second fresh air indoor heat exchanger 43 heats and warms the indoor air, then the first fresh air indoor heat exchanger 41 cools and dehumidifies the fresh air, and improves the air outlet temperature while cooling and dehumidifying. Of course, when the second fresh air indoor heat exchanger 43 heats the fresh air and the heating of the fresh air cannot reach the target temperature, the air-conditioning heat exchange system 50 can be started to increase the indoor ambient temperature, so that the indoor ambient temperature is controlled by linkage between the fresh air heat exchange system 20 and the air-conditioning heat exchange system 50.
Of course, in order to throttle and reduce the pressure of the refrigerant flowing into the fresh air indoor heat exchange assembly 40, the fresh air outdoor heat exchange assembly 30 further includes a second throttling element 34, the second throttling element 34 is disposed on the fresh air refrigerant flow path and between the second fresh air indoor heat exchanger 43 and the fresh air outdoor heat exchanger 33, and the second throttling element 34 is disposed between the second fresh air indoor heat exchanger 43 and the fresh air outdoor heat exchanger 33, so that the refrigerant flowing out of the fresh air outdoor heat exchanger 33 can be effectively throttled and reduced in pressure, and the refrigerant flowing into the fresh air indoor heat exchange assembly 40 is throttled and reduced in pressure, meanwhile, in the cooling and heating mode, the first throttling element 44 is not throttled, only the second throttling element 34 is used for throttling, and in the low-temperature dehumidification and reheating mode, the second throttling element 34 is not throttled, Throttling is best achieved using only the first throttling element 44. The throttling element in this embodiment may be configured as an electronic expansion valve, and may also be configured as other throttling elements, such as a cock throttle, and the like, and may be configured accordingly according to actual requirements, which is not limited in this embodiment.
The air-conditioning heat exchange system 50 prepares cold and hot water, conveys the cold and hot water to an indoor ceiling or floor water pipe, and exchanges heat with the indoor in the form of radiation heat exchange + natural convection heat exchange, a radiation refrigerant flow path is formed in the air-conditioning heat exchange system 50, the air-conditioning heat exchange system 50 further comprises an air-conditioning indoor heat exchange assembly 70, and the air-conditioning indoor heat exchange assembly 70 comprises: the water side heat exchanger 71 and the radiation side heat exchanger 72 are arranged on the radiation refrigerant flow path; the radiation side heat exchanger 72 is communicated with the water side heat exchanger 71, indoor heating or cooling is achieved through the radiation side heat exchanger 72, comfort of an air conditioner can be improved, and compared with a traditional air conditioner, the air conditioner is low in energy consumption and use cost.
The air-conditioning heat exchange system 50 and the fresh air heat exchange system 20 can respectively use an outdoor fan 11, of course, the air-conditioning heat exchange system 50 and the fresh air heat exchange system 20 can also share one outdoor fan 11, and when the air-conditioning heat exchange system 50 and the fresh air heat exchange system 20 share one outdoor fan 11, the volume of an outdoor unit can be effectively reduced, the floor area of the outdoor unit is reduced, the installation workload is reduced, and the cost of the air conditioner can be reduced, so that the fresh air outdoor heat exchange assembly 30 comprises a fresh air outdoor heat exchanger 33, and the air-conditioning heat exchange system 50 comprises an air-conditioning outdoor heat exchange assembly 63; the air conditioning system 100 further includes at least one outdoor fan 11 disposed in the outdoor enclosure 10 for dissipating heat from the fresh air outdoor heat exchanger 33 and the air conditioning outdoor heat exchange assembly 63, specifically, one outdoor fan 11 may be disposed in the outdoor unit, an air outlet of the outdoor fan 11 corresponds to two air ducts, and the two air ducts correspond to the outdoor heat exchangers of the air conditioning heat exchange system 50 and the fresh air heat exchange system 20, so that the air conditioning heat exchange system 50 and the fresh air heat exchange system 20 can share one outdoor fan 11, thereby reducing the cost of the air conditioner and reducing the floor area and the installation workload of the outdoor unit.
Further, a fresh air refrigerant flow path is formed in the fresh air heat exchange system 20, and a first compressor 31, a first four-way valve 32, a fresh air outdoor heat exchanger 33, a second throttling element 34 and a first fresh air chamber internal heat exchanger 41 are sequentially arranged on the fresh air refrigerant flow path, wherein the first four-way valve 32 is communicated with the first compressor 31, the fresh air outdoor heat exchanger 33 and the first fresh air chamber internal heat exchanger 41; the fresh air outdoor heat exchange assembly 30 comprises the first compressor 31, the first four-way valve 32, the fresh air outdoor heat exchanger 33 and the second throttling element 34; the fresh air heat exchange system 20 further comprises a fresh air indoor heat exchange assembly 40, the fresh air indoor heat exchange assembly 40 comprises a first fresh air chamber internal heat exchanger 41, in the cooling mode, exhaust air of a first compressor 31 of the fresh air heat exchange system 20 enters the fresh air outdoor heat exchanger 33 through a first four-way valve 32 for condensation, is throttled and depressurized through a second throttling element 34, enters the first fresh air chamber internal heat exchanger 41 for evaporation and heat absorption, and completes the refrigeration cycle, and exhaust air of the first compressor 31 of the fresh air heat exchange system 20 enters the first fresh air chamber internal heat exchanger 41 through the first four-way valve 32, is throttled and depressurized through the second throttling element 34, enters the fresh air chamber external heat exchanger 33 for evaporation and heat absorption, and completes the refrigeration cycle.
A radiation refrigerant flow path is formed in the air-conditioning heat exchange system 50, and a second compressor 61, a second four-way valve, an air-conditioning outdoor heat exchange assembly 63, a third throttling element 64 and a water-side heat exchanger 71 are sequentially arranged on the radiation refrigerant flow path, wherein the second four-way valve 62 is communicated with the second compressor 61, the air-conditioning outdoor heat exchange assembly 63 and the water-side heat exchanger 71; the air conditioner outdoor heat exchange assembly 60 comprises the second compressor 61, the second four-way valve 62, the air conditioner outdoor heat exchange assembly 63 and the third throttling element 64; the air-conditioning heat exchange system 50 further comprises an air-conditioning indoor heat exchange assembly 70, and the air-conditioning indoor heat exchange assembly 70 comprises the water side heat exchanger 71. In the cooling mode, the exhaust gas of the second compressor 61 of the air-conditioning heat exchange system 50 enters the air-conditioning outdoor heat exchange assembly 63 for condensation, is throttled and depressurized by the third throttling element 64, and then enters the water-side heat exchanger 71 for evaporation and heat absorption, so that the cooling cycle is completed. In the heating mode, the exhaust gas of the second compressor 61 of the air-conditioning heat exchange system 50 enters the water-side heat exchanger 71 for condensation, is throttled and depressurized by the third throttling element 64, enters the air-conditioning outdoor heat exchange assembly 63 for evaporation and heat absorption, and completes the refrigeration cycle.
In addition, in the heating mode, the fresh air heat exchange system 20 and the air conditioner heat exchange system 50 both need to defrost the outdoor heat exchanger, and when heating, the two systems do not defrost simultaneously, which may affect the indoor heating effect, therefore, the temperature of the outdoor heat exchangers of the fresh air heat exchange system 20 and the air-conditioning heat exchange system 50 can be monitored, the frequency of the compressor of one of the fresh air heat exchange system 20 and the air-conditioning heat exchange system 50 can be adjusted, the fresh air heat exchange system 20 can also adjust the frequency of the fresh air fan 45, thereby adjusting the temperature of the outdoor heat exchanger, when the temperatures of the heat exchangers of the fresh air heat exchange system 20 and the air-conditioning heat exchange system 50 simultaneously satisfy the defrosting condition, and controlling the first compressor 31 and the second compressor 32 to exhaust air simultaneously, so that the first compressor and the second compressor defrost simultaneously, and ensuring the indoor heating effect.
Certainly, in order to ensure the heating effect, it can also be ensured that the air-conditioning heat exchange system 50 performs defrosting in preference to the fresh air heat exchange system 20, that is, the defrosting priority of the air-conditioning heat exchange system 50 needs to be higher than the defrosting priority of the fresh air heat exchange system 20. If the air-conditioning heat exchange system 50 and the fresh air heat exchange system 20 need to be defrosted at the same time, the air-conditioning heat exchange system 50 can be defrosted while the fresh air heat exchange system 20 is controlled to be defrosted. However, if the air-conditioning heat exchange system 50 meets the defrosting condition, but the fresh air heat exchange system 20 does not meet the defrosting condition, the air-conditioning heat exchange system 50 can be independently defrosted, so that the heating effect of the air-conditioning heat exchange system 50 is prevented from being influenced by premature defrosting of the fresh air heat exchange system 20.
Specifically, when the air-conditioning heat exchange system 50 operates in the heating mode of the fresh air heat exchange system 20, the coil temperature of the outdoor heat exchanger of the air-conditioning heat exchange system 50 is lower than that of the outdoor heat exchanger of the fresh air heat exchange system 20 by adjusting the rotating speed of the compressor or the indoor unit, so that the air-conditioning heat exchange system 50 is frosted before the fresh air heat exchange system 20 all the time, the fresh air heat exchange system 20 is used as the main heat supply system, and the heating effect is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An air conditioning system, comprising:
an outdoor enclosure;
the fresh air heat exchange system comprises a fresh air outdoor heat exchange assembly, and the fresh air outdoor heat exchange assembly is arranged in the outdoor shell; and the number of the first and second groups,
the air conditioner heat exchange system comprises an air conditioner outdoor heat exchange assembly, and the air conditioner outdoor heat exchange assembly is arranged in the outdoor shell.
2. The air conditioning system of claim 1, wherein a fresh air refrigerant flow path is formed in the fresh air heat exchange system, the fresh air heat exchange system further comprises a fresh air indoor heat exchange assembly, and the fresh air indoor heat exchange assembly comprises:
the fresh air chamber inner shell is provided with a fresh air duct; and the number of the first and second groups,
and the first fresh air chamber inner heat exchanger is arranged in the fresh air duct and is positioned on the fresh air refrigerant flow path.
3. The air conditioning system of claim 2, wherein the fresh air indoor heat exchange assembly further comprises a fresh air blower, the fresh air blower being disposed within the fresh air duct and adjacent to an air outlet of the fresh air duct.
4. The air conditioning system as claimed in claim 2, wherein the fresh air indoor heat exchange assembly further comprises a heating device, and the heating device is disposed in the fresh air duct and between the fresh air blower and the first fresh air indoor heat exchanger.
5. The air conditioning system as claimed in claim 2, wherein said fresh air outdoor heat exchange assembly includes a fresh air outdoor heat exchanger;
indoor heat exchange assembly of new trend still includes:
the second fresh air indoor heat exchanger is arranged in the fresh air duct and is positioned on one side, facing the fresh air fan, of the first fresh air chamber inner heat exchanger, and the second fresh air indoor heat exchanger is positioned on the fresh air refrigerant flow path and is positioned between the first fresh air chamber inner heat exchanger and the fresh air chamber outer heat exchanger; and the number of the first and second groups,
and the first throttling element is arranged on the fresh air refrigerant flow path and is positioned between the second fresh air indoor heat exchanger and the first fresh air indoor heat exchanger.
6. The air conditioning system as claimed in claim 5, wherein said fresh air outdoor heat exchange assembly further comprises a second throttling element, said second throttling element being disposed on said fresh air refrigerant flow path and between said second fresh air indoor heat exchanger and said fresh air outdoor heat exchanger.
7. The air conditioning system of claim 1, wherein a radiant refrigerant flow path is formed within the air conditioning heat exchange system, the air conditioning heat exchange system further comprising an air conditioning indoor heat exchange assembly, the air conditioning indoor heat exchange assembly comprising:
the water side heat exchanger is arranged on the radiation refrigerant flow path; and the number of the first and second groups,
and the radiation side heat exchanger is communicated with the water side heat exchanger.
8. The air conditioning system of claim 1, wherein the fresh air outdoor heat exchange assembly comprises a fresh air outdoor heat exchanger, and the air conditioning heat exchange system comprises an air conditioning outdoor heat exchange assembly;
the air conditioning system also comprises at least one outdoor fan arranged in the outdoor shell and used for dissipating heat of the fresh air outdoor heat exchanger and the air conditioning outdoor heat exchange assembly.
9. The air conditioning system according to claim 1, wherein a fresh air refrigerant flow path is formed in the fresh air heat exchange system, and a first compressor, a first four-way valve, a fresh air outdoor heat exchanger, a second throttling element and a first fresh air chamber internal heat exchanger are sequentially arranged on the fresh air refrigerant flow path, wherein the first four-way valve is communicated with the first compressor, the fresh air outdoor heat exchanger and the first fresh air chamber internal heat exchanger;
the fresh air outdoor heat exchange assembly comprises the first compressor, the first four-way valve, the fresh air outdoor heat exchanger and the second throttling element;
the fresh air heat exchange system further comprises a fresh air indoor heat exchange assembly, and the fresh air indoor heat exchange assembly comprises the first fresh air chamber inner heat exchanger.
10. The air conditioning system as claimed in claim 1, wherein a radiation refrigerant flow path is formed in the air conditioning heat exchange system, and a second compressor, a second four-way valve, an air conditioning outdoor heat exchange assembly, a third throttling element and a water side heat exchanger are sequentially arranged on the radiation refrigerant flow path, wherein the second four-way valve is communicated with the second compressor, the air conditioning outdoor heat exchange assembly and the water side heat exchanger;
the air conditioner outdoor heat exchange assembly comprises the second compressor, the second four-way valve, the air conditioner outdoor heat exchange assembly and the third throttling element;
the air-conditioning heat exchange system further comprises an air-conditioning indoor heat exchange assembly, and the air-conditioning indoor heat exchange assembly comprises the water side heat exchanger.
CN202122922494.7U 2021-11-24 2021-11-24 Air conditioning system Active CN216281830U (en)

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