CN220871001U

CN220871001U - Air conditioning system with high energy efficiency ratio

Info

Publication number: CN220871001U
Application number: CN202322259913.2U
Authority: CN
Inventors: 宁孜勤; 包鑫
Original assignee: Nantong Hengzhao Electric Appliance Co ltd
Current assignee: Nantong Hengzhao Electric Appliance Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-04-30
Anticipated expiration: 2033-08-21

Abstract

The utility model provides an air conditioning system with high energy efficiency ratio. The refrigerating inlets of the outdoor heat exchange assemblies are provided with refrigerating throttle pipes; and refrigerating gasification pipes are arranged at the refrigerating inlets of the indoor heat exchange assemblies of each group. According to the utility model, the flow of the refrigerant flowing into each group of outdoor heat exchange assemblies is regulated through the plurality of refrigeration throttle pipes arranged at the refrigeration inlet of the outdoor heat exchange assemblies, so that the temperature of the refrigerant at the outlet of each group of outdoor heat exchange assemblies is consistent, the refrigerant flowing into each group of indoor heat exchange assemblies is gasified through the plurality of refrigeration gasification pipes arranged at the refrigeration inlet of the indoor heat exchange assemblies, the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies is regulated, so that the temperature of the refrigerant at the outlet of each group of heat exchange assemblies is consistent, the heat exchange efficiency of each group of heat exchange assemblies is fully exerted, and the air conditioning system can operate at a higher energy efficiency ratio.

Description

Air conditioning system with high energy efficiency ratio

Technical Field

The utility model relates to the technical field of air conditioning systems, in particular to an air conditioning system with high energy efficiency ratio.

Background

With the improvement of living standard of people, more and more families are equipped with air conditioners in a household environment, generally, most of existing air conditioner products have a refrigerating/heating dual-function mode, and the air conditioners can operate a refrigerating function to discharge heat in an indoor environment to an outdoor environment in summer high-temperature weather and operate a heating function to guide heat in the outdoor environment to the indoor environment in winter severe cold weather, so that indoor environment temperature requirements of users in different weather and climate conditions are met. The air conditioner realizes heat transfer between indoor and outdoor environments by taking refrigerants such as alkanes, inorganic compounds and the like as heat storage working media, for example, the refrigerants release heat when flowing through the indoor and outdoor sides in a refrigeration mode and are transferred to the indoor and outdoor sides to absorb heat, and the refrigerants release heat when flowing through the indoor and outdoor sides in a heating mode and are transferred to the outdoor and outdoor sides to absorb heat.

The air conditioner comprises an outdoor heat exchanger and an indoor heat exchanger, wherein a plurality of groups of indoor heat exchange assemblies which are arranged in parallel are arranged in the indoor heat exchanger, a plurality of groups of outdoor heat exchange assemblies which are arranged in parallel are arranged in the outdoor heat exchanger, and the indoor refrigerants are subjected to independent heat exchange respectively, are combined after being output and are converged into a compressor. The heat exchange component is a heat exchange part for transferring heat between cold and hot fluids, and the heat is transferred from the fluid with higher temperature to the fluid with lower temperature.

At present, because the structural shape and the setting position of each group of heat exchange components in the plurality of groups of heat exchange components are determined, the heat exchange efficiency of each group of heat exchange components is affected by the structure and the setting position of each group of heat exchange components, so that the heat exchange efficiency among the groups of heat exchange components is inconsistent, for example, the heat exchange efficiency of the components positioned at the outer side is good, the outlet temperature is low, the effect difference positioned in the middle is high, the heat exchange efficiency of the middle heat exchange components cannot be fully exerted, and the heat exchange efficiency of the air conditioner is low.

Disclosure of Invention

In view of this, the utility model provides an air conditioning system with high energy efficiency ratio and an air conditioning system with the indoor heat exchange assembly, which aims to solve the problem that the heat exchange efficiency of an air conditioner is low due to the heat exchange difference among the existing multiple groups of heat exchange assemblies.

The utility model provides an air conditioning system with high energy efficiency ratio, which comprises: the outdoor heat exchanger and the indoor heat exchanger are connected; at least two groups of outdoor heat exchange assemblies which are communicated in parallel are arranged in the outdoor heat exchanger, and at least two groups of indoor heat exchange assemblies which are communicated in parallel are arranged in the indoor heat exchanger; the refrigerating inlets of the outdoor heat exchange assemblies are respectively provided with a refrigerating throttle pipe, and the refrigerating throttle pipes are used for regulating the flow of the refrigerant which is shunted into the outdoor heat exchange assemblies so as to regulate the temperature of the refrigerant at the refrigerating outlets of the outdoor heat exchange assemblies, so that the temperature of the refrigerant at the refrigerating outlets of the outdoor heat exchange assemblies is consistent; and the refrigerating inlets of the indoor heat exchange assemblies are respectively provided with a refrigerating gasification pipe for respectively gasifying the refrigerants input into the corresponding indoor heat exchange assemblies so as to adjust the temperature of the refrigerants at the outlets of the indoor heat exchange assemblies and ensure that the temperatures of the refrigerants at the refrigerating outlets of the indoor heat exchange assemblies are consistent.

Further, in the air conditioning system, during the refrigerating process of the air conditioning system, the compressor compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant is conveyed to the outdoor heat exchanger to be split, flows through the refrigerating throttle pipes respectively, flows into the outdoor heat exchange assemblies of each group, releases heat in the outdoor heat exchange assemblies of each group to form medium-temperature normal-pressure liquid refrigerant, and merges; the medium-temperature normal-pressure liquid refrigerant is conveyed to the indoor heat exchange assemblies, the medium-temperature normal-pressure liquid refrigerant is split to flow into each group of indoor heat exchange assemblies respectively, each gasification pipe carries out gasification treatment on the medium-temperature normal-pressure liquid refrigerant at the inlet of each group of indoor heat exchange assemblies respectively, the gasified refrigerant absorbs heat in each group of indoor heat exchange assemblies to form low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant is circulated back into the compressor.

In another aspect, the present utility model also provides an air conditioning system with high energy efficiency ratio, the air conditioning system comprising: the outdoor heat exchanger and the indoor heat exchanger are connected; at least two groups of outdoor heat exchange assemblies which are communicated in parallel are arranged in the outdoor heat exchanger, and at least two groups of indoor heat exchange assemblies which are communicated in parallel are arranged in the indoor heat exchanger; heating throttle pipes are arranged at the heating inlets of the indoor heat exchange assemblies of each group, and the plurality of heating throttle pipes are used for carrying out flow allocation on the refrigerant which is shunted to flow into the indoor heat exchange assemblies of each group so as to adjust the temperature of the refrigerant at the heating outlets of the indoor heat exchange assemblies of each group, so that the temperature of the refrigerant at the heating outlets of the indoor heat exchange assemblies of each group is consistent; the heating inlets of the outdoor heat exchange assemblies are respectively provided with a heating gasification pipe for respectively gasifying the refrigerants input into the corresponding outdoor heat exchange assemblies so as to adjust the temperature of the refrigerants at the outlets of the outdoor heat exchange assemblies, so that the temperatures of the refrigerants at the refrigerating outlets of the outdoor heat exchange assemblies are consistent

Further, in the air conditioning system, in the heating process of the air conditioning system, the compressor compresses the low-temperature low-pressure gaseous refrigerant into the high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant is conveyed into the indoor heat exchange assemblies, the high-temperature high-pressure gaseous refrigerant is split to flow into each group of indoor heat exchange assemblies after flowing through each heating throttle pipe respectively, the split high-temperature high-pressure gaseous refrigerant releases heat in each group of indoor heat exchange assemblies to form a medium-temperature normal-pressure liquid refrigerant, and the split high-temperature high-pressure gaseous refrigerant is converged; the combined medium-temperature normal-pressure liquid refrigerant is conveyed to the outdoor heat exchanger, and the medium-temperature normal-pressure liquid refrigerant is split in the outdoor heat exchanger to flow through each heating gasification pipe for gasification treatment, flows into each group of outdoor heat exchange assemblies, absorbs heat in each group of outdoor heat exchange assemblies to form low-temperature low-pressure gaseous refrigerant, and is circulated back into the compressor.

In yet another aspect, the present utility model provides an air conditioning system with a high energy efficiency ratio, the air conditioning system comprising: the outdoor heat exchanger and the indoor heat exchanger are connected; at least two groups of outdoor heat exchange assemblies which are communicated in parallel are arranged in the outdoor heat exchanger, and at least two groups of indoor heat exchange assemblies which are communicated in parallel are arranged in the indoor heat exchanger; the refrigerating inlets of the outdoor heat exchange assemblies are respectively provided with a refrigerating throttle pipe, and the refrigerating throttle pipes are used for regulating the flow of the refrigerant which is shunted into the outdoor heat exchange assemblies so as to regulate the temperature of the refrigerant at the refrigerating outlets of the outdoor heat exchange assemblies, so that the temperature of the refrigerant at the refrigerating outlets of the outdoor heat exchange assemblies is consistent; the refrigerating inlets of the indoor heat exchange assemblies are respectively provided with a refrigerating gasification pipe for respectively gasifying the refrigerants input into the corresponding indoor heat exchange assemblies so as to adjust the temperature of the refrigerants at the outlets of the indoor heat exchange assemblies of each group, so that the temperatures of the refrigerants at the refrigerating outlets of the indoor heat exchange assemblies of each group are consistent; heating throttle pipes are arranged at the heating inlets of the indoor heat exchange assemblies of each group, and the plurality of heating throttle pipes are used for carrying out flow allocation on the refrigerant which is shunted to flow into the indoor heat exchange assemblies of each group so as to adjust the temperature of the refrigerant at the heating outlets of the indoor heat exchange assemblies of each group, so that the temperature of the refrigerant at the heating outlets of the indoor heat exchange assemblies of each group is consistent; and the device is used for respectively gasifying the refrigerants input into the corresponding outdoor heat exchange assemblies so as to adjust the temperature of the refrigerants at the outlet of each group of outdoor heat exchange assemblies, so that the temperatures of the refrigerants at the heating outlet of each group of outdoor heat exchange assemblies are consistent.

Further, in the air conditioning system, each refrigeration throttle pipe is connected in parallel with a first one-way valve, and each refrigeration gasification pipe is connected in parallel with a second one-way valve; each heating throttle pipe is connected with a third one-way valve in parallel, and each heating gasification pipe is connected with a fourth one-way valve in parallel; the first check valve and the second check valve are in the same direction, the third check valve and the fourth check valve are in the same direction, and the directions of the first check valve and the third check valve are opposite.

Further, in the air conditioning system, during the refrigerating process of the air conditioning system, the first one-way valve and the second one-way valve are closed, and the third one-way valve and the fourth one-way valve are connected; in the heating process of the air conditioning system, the first one-way valve and the second one-way valve are connected, and the third one-way valve and the fourth one-way valve are disconnected.

Further, the air conditioning system further includes: a compressor; the compressor, the outdoor heat exchanger and the indoor heat exchange component are circularly communicated through pipelines; the refrigerating inlet of the indoor heat exchange assembly and the heating outlet of the indoor heat exchange assembly are connecting ports of the indoor heat exchange assembly close to the outdoor heat exchanger, and the refrigerating outlet of the indoor heat exchange assembly and the heating inlet of the indoor heat exchange assembly are connecting ports of the indoor heat exchange assembly close to the compressor; the refrigerating inlet of the outdoor heat exchange assembly and the heating outlet of the outdoor heat exchange assembly are connecting ports of the outdoor heat exchange assembly, which are close to the compressor, and the refrigerating outlet of the outdoor heat exchange assembly and the heating inlet of the outdoor heat exchange assembly are connecting ports of the outdoor heat exchange assembly, which are close to the indoor heat exchange assembly.

Further, in the air conditioning system, the outlet pipeline of the compressor is further provided with a four-way valve, the four-way valve is further respectively communicated with the return pipe of the compressor, the outdoor heat exchanger and the indoor heat exchange assembly, and a throttle valve is arranged on the pipeline between the outdoor heat exchanger and the indoor heat exchange assembly.

Further, in the air conditioning system, the compressor is a variable frequency compressor, and the throttle valve is an expansion valve, and is used for controlling the flow of the refrigerant based on the rotation speed of the variable frequency compressor; or the compressor is a fixed-frequency compressor, the throttle valve is a capillary tube, and a fifth one-way valve is communicated in parallel on the capillary tube and is conducted in the refrigerating process of the fixed-frequency air conditioning system and cut off in the heating process of the fixed-frequency air conditioning system.

According to the air conditioning system with high energy efficiency ratio, the plurality of refrigeration throttle pipes are arranged at the refrigeration inlet of the outdoor heat exchange assembly, the flow of the refrigerant flowing into each group of outdoor heat exchange assemblies is regulated, so that the refrigerant flows into each group of outdoor heat exchange assemblies according to the flow of each group of outdoor heat exchange assemblies, the refrigerant exchanges heat in each group of outdoor heat exchange assemblies to the degree of adaptation, the temperature of the refrigerant at the refrigeration outlet of each group of outdoor heat exchange assemblies is regulated, the temperature of the refrigerant at the refrigeration outlet of each group of outdoor heat exchange assemblies is consistent, the plurality of refrigeration gasification pipes are arranged at the refrigeration inlet of each group of indoor heat exchange assemblies, the refrigerant flowing into each group of indoor heat exchange assemblies is gasified, so that the refrigerant flows into each group of indoor heat exchange assemblies according to the degree of gasification of each group of indoor heat exchange assemblies, the refrigerant exchanges heat in each group of indoor heat exchange assemblies to the degree of adaptation, and the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies can be regulated, and the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies is consistent; and/or, through the heating throttle pipe arranged at the heating inlet of the indoor heat exchange assembly, the flow of the refrigerant flowing into each group of indoor heat exchange assemblies is regulated, so that the refrigerant flows into each group of indoor heat exchange assemblies according to the flow of each group of indoor heat exchange assemblies, the refrigerant is subjected to heat exchange of the adapting degree in the indoor heat exchange assemblies, the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies can be regulated, so that the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies is consistent, and through the heating gasification pipe arranged at the heating inlet of the outdoor heat exchange assembly, the refrigerant flowing into each group of outdoor heat exchange assemblies is gasified, so that the refrigerant flows into each group of outdoor heat exchange assemblies according to the gasifying degree of each group of outdoor heat exchange assemblies, the refrigerant is subjected to heat exchange of the adapting degree in the outdoor heat exchange assemblies, and the temperature of the refrigerant at the heating outlet of each group of outdoor heat exchange assemblies can be regulated, so that the temperature of the refrigerant at the heating outlet of each group of outdoor heat exchange assemblies is consistent. The outlet temperature of the heat exchange components is consistent, the heat exchange efficiency of each group of heat exchange components can be fully exerted, particularly the heat exchange efficiency of the heat exchange components positioned at the middle position can be fully exerted, the heat exchange efficiency of the heat exchange components is improved, the heat exchange components and the air conditioning system can operate at a higher energy efficiency ratio, and the problem that the heat exchange efficiency of the air conditioning system is low due to the heat exchange difference between the existing groups of indoor heat exchange components is solved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 is a schematic structural diagram of a fixed-frequency air conditioning system according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a fixed-frequency air conditioning system according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of still another structure of the constant-frequency air conditioning system according to the embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a variable frequency air conditioning system according to an embodiment of the present utility model;

Fig. 5 is a schematic diagram of another structure of a variable frequency air conditioning system according to an embodiment of the present utility model;

Fig. 6 is a schematic diagram of another structure of a variable frequency air conditioning system according to an embodiment of the present utility model.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Fixed frequency air conditioning system embodiments:

Referring to fig. 1 to 3, schematic structural diagrams of a fixed-frequency air conditioning system with a high energy efficiency ratio according to an embodiment of the present utility model are shown. As shown, the constant frequency air conditioning system includes: an outdoor heat exchanger 1, an indoor heat exchanger 2 and a compressor 3; wherein, indoor heat exchanger 2, outdoor heat exchanger 1 and compressor 3 pass through pipeline circulation intercommunication. Wherein the compressor 3 is a fixed frequency compressor. Wherein, the single arrow in the figure is the flow direction of the refrigerant in the refrigerating process, and the double arrow is the flow direction of the refrigerant in the heating process.

With continued reference to fig. 1, in a first embodiment of the fixed frequency air conditioning system, the fixed frequency air conditioning system may be a single-cooling fixed frequency air conditioning system; the outdoor heat exchanger 1 is provided with at least two groups of outdoor heat exchange assemblies 11 which are communicated in parallel so as to exchange heat independently; the indoor heat exchanger 2 is provided with at least two groups of indoor heat exchange assemblies 21 which are communicated in parallel so as to exchange heat independently. In order to improve the heat exchange efficiency of the single-cooling fixed-frequency air conditioning system, the refrigerating inlets (the left end is shown in fig. 1) of the outdoor heat exchange assemblies 11 of each group are respectively provided with a refrigerating throttle pipe 12, the plurality of refrigerating throttle pipes 12 are used for carrying out flow allocation on the refrigerant which is shunted to flow into the outdoor heat exchange assemblies 11 of each group, so that the refrigerant flows into the outdoor heat exchange assemblies 11 of each group according to the flow which is matched with each outdoor heat exchange assembly 11 of each group, the refrigerant exchanges heat in the outdoor heat exchange assemblies 11 to the matching degree, and the temperature of the refrigerant at the outlets of each group of outdoor heat exchange assemblies 11 is regulated, so that the temperature of the refrigerant at the refrigerating outlets of each group of outdoor heat exchange assemblies 11 is consistent; the refrigerating inlets (right end as shown in fig. 1) of each group of indoor heat exchange assemblies 21 are respectively provided with a refrigerating gasification pipe 22 for gasifying the refrigerant input into the corresponding indoor heat exchange assembly 21, so as to realize primary regulation of the refrigerant. The refrigerating gasification pipe 22 can replace a refrigerating capillary pipe arranged near the end part of an indoor heat exchange component of an outdoor heat exchange component in the prior art, the refrigerating agent flowing into each group of indoor heat exchange components 21 is gasified at the inlet of each group of indoor heat exchange components 21 respectively and independently, the capillary pipe in the prior art can lead the gas-liquid mixed flow to influence the phenomenon of outputting the refrigerating agent, and simultaneously can generate two-phase flowing noise, and the plurality of refrigerating gasification pipes 22 are respectively arranged at the refrigerating inlets of each group of indoor heat exchange components 21 in the embodiment, so that the gas-liquid mixed flow can be restrained, the noise generated by the two-phase flowing is avoided, and the cost can be reduced; meanwhile, the plurality of gasification pipes 22 can respectively gasify the refrigerants of the plurality of groups of indoor heat exchange assemblies 21, so that the refrigerants flow into each group of indoor heat exchange assemblies 21 according to the gasifiability of the matching of each group of indoor heat exchange assemblies 21, the refrigerants exchange heat in the indoor heat exchange assemblies 21 according to the matching degree, the purpose of adjusting the temperature of the refrigerants at the outlet of each group of indoor heat exchange assemblies 21 is achieved, the temperatures of the refrigerants at the outlet of each group of indoor heat exchange assemblies 21 are consistent, the heat exchange efficiency of each group of indoor heat exchange assemblies 21 is fully exerted, the heat exchange efficiency of the indoor unit is improved, the indoor unit and the air conditioner can operate under a higher energy efficiency ratio, and the problem that the heat exchange efficiency of the indoor unit and the air conditioner is low due to the heat exchange difference between the existing groups of indoor heat exchange assemblies is solved. Wherein the refrigerant gasification tube 22 may be a nozzle or a laval tube.

In the present first embodiment, in order to increase the refrigerating energy efficiency ratio of the air conditioning system, at least the inside diameter and/or the length of the tube between the two vaporizing tubes 22 are different, that is, at least the inside diameter of the tube between the two vaporizing tubes 22 is different, or at least the length between the two vaporizing tubes 22 is different, or at least the inside diameter sum of the tube between the two vaporizing tubes 22 is different, so that the plurality of refrigerating vaporizing tubes 22 perform different degrees of vaporization treatment on the refrigerant of the plurality of sets of indoor heat exchange assemblies 21, so that the temperature of the refrigerant at the outlet of each set of indoor heat exchange assemblies 21 is uniform. Of course, in other embodiments, the inside diameter and length of each gasification pipe 22 may be the same, and the present embodiment is not limited thereto.

Specifically, the plurality of refrigerant vaporizing tubes 22 perform vaporization treatment on the refrigerant flowing into the corresponding indoor heat exchange assemblies 21, and at least two of the refrigerant vaporizing tubes 22 have different tube diameters and/or lengths, that is, at least two of the refrigerant vaporizing tubes 22 have different tube diameters, at least two of the refrigerant vaporizing tubes 22 have different lengths, or at least two of the refrigerant vaporizing tubes 22 have different tube diameters and different tube lengths, so that the plurality of refrigerant vaporizing tubes 22 can perform vaporization treatment on the refrigerant flowing into the indoor heat exchange assemblies 21 according to the vaporization degree of the indoor heat exchange assemblies 21, and the refrigerant can perform heat exchange of the degree of adaptation in the indoor heat exchange assemblies 21, thereby achieving the purpose of adjusting the temperature of the refrigerant at the outlet of the indoor heat exchange assemblies 21.

The arrangement of the refrigeration throttle pipe 12 and the refrigeration gasification pipe 22 can make the temperature of the refrigerant at the outlet of each group of outdoor heat exchange assemblies 11 consistent and the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 consistent when the fixed-frequency air conditioning system is used for refrigeration, can fully exert the heat exchange efficiency of each group of outdoor heat exchange assemblies 11 and the indoor heat exchange assemblies 21 in the refrigeration process, especially can fully exert the heat exchange efficiency of the outdoor heat exchange assemblies 11 and the indoor heat exchange assemblies 21 positioned in the middle position in the refrigeration process, improves the heat exchange efficiency of the air conditioning system, ensures that the air conditioning system can operate under higher energy efficiency ratio, and solves the problem that the heat exchange efficiency of the air conditioning system is low due to the heat exchange difference between the traditional groups of heat exchange assemblies.

For each group of heat exchange components in the existing multi-group heat exchange components, the structural shape and the setting position of each group of heat exchange components are determined, the structure and the setting position of each group of heat exchange components influence the heat exchange efficiency, so that the heat exchange efficiency among the groups is inconsistent, the flow of the refrigeration throttle pipe 12 can be regulated, and the refrigerants among the groups of indoor heat exchange components 21 are gasified to different degrees through the gasification pipes 22 with different pipe inner diameters and/or lengths, so that the current outlet temperature of the refrigerants at the refrigeration outlets of each group of heat exchange components is consistent, and the purpose of fully playing the heat exchange efficiency of each group of heat exchange components is achieved.

With continued reference to fig. 1, when the single-cooling fixed-frequency air conditioning system is in operation, the compressor 3 compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant is conveyed to the outdoor heat exchanger 1, the high-temperature high-pressure gaseous refrigerant is split and flows into each group of outdoor heat exchange assemblies 11 respectively, the high-temperature high-pressure gaseous refrigerant passes through the refrigeration throttle pipe 12, the refrigeration throttle pipe 12 controls the flow of the high-temperature high-pressure gaseous refrigerant entering the outdoor heat exchange assemblies 11 respectively, and releases heat independently in each group of outdoor heat exchange assemblies 11 respectively to form medium-temperature normal-pressure liquid refrigerant, the medium-temperature normal-pressure liquid refrigerant is converged and conveyed to the indoor heat exchanger 2, the medium-temperature normal-pressure liquid refrigerant is split in the indoor heat exchanger 2, and flows into each group of indoor heat exchange assemblies 21 after the gasification treatment of the refrigerant entering each group of indoor heat exchange assemblies 21 respectively through the plurality of refrigeration gasification pipes 22, the gasified refrigerant absorbs heat in each group of indoor heat exchange assemblies 21 to form low-temperature low-pressure gaseous refrigerant, and is converged and circulated back to the compressor 3.

In summary, in the air conditioning system with high energy efficiency ratio provided in this embodiment, the plurality of refrigeration throttle pipes 12 disposed at the refrigeration inlet of the outdoor heat exchange assembly 11 are used to perform flow adjustment on the refrigerant flowing into each group of outdoor heat exchange assemblies 11, so that the refrigerant flows into each group of outdoor heat exchange assemblies 11 according to the flow rate matched with each group of outdoor heat exchange assemblies 11, so that the refrigerant performs heat exchange to the degree of matching in the outdoor heat exchange assemblies 11, and the temperature of the refrigerant at the refrigeration outlet of each group of outdoor heat exchange assemblies 11 is adjusted, so that the temperature of the refrigerant at the refrigeration outlet of each group of outdoor heat exchange assemblies 11 is consistent; and through a plurality of refrigeration gasification pipes 22 arranged at the refrigeration inlet of the indoor heat exchange assembly, the refrigerant flowing into each group of indoor heat exchange assemblies is gasified, so that the refrigerant flows into each group of indoor heat exchange assemblies 21 according to the gasification degree of each group of indoor heat exchange assemblies 21, the refrigerant is subjected to heat exchange of the adaptation degree in the indoor heat exchange assemblies 21, the temperature of the refrigerant at the refrigeration outlet of each group of indoor heat exchange assemblies 21 can be regulated, and the temperature of the refrigerant at the refrigeration outlet of each group of indoor heat exchange assemblies 21 is consistent. The temperature at the refrigerating outlet of each group of outdoor heat exchange assemblies 11 is consistent, the temperature at the refrigerating outlet of each group of indoor heat exchange assemblies 21 is consistent, the heat exchange efficiency of each group of outdoor heat exchange assemblies 11 and each group of indoor heat exchange assemblies 21 can be fully exerted, especially the heat exchange efficiency of the outdoor heat exchange assemblies 11 and the indoor heat exchange assemblies 21 positioned in the middle position can be fully exerted, the heat exchange efficiency of an air conditioning system is improved, the air conditioning system can operate under a higher energy efficiency ratio, and the problem that the heat exchange efficiency of the air conditioning system is low due to the heat exchange difference between the existing groups of heat exchange assemblies is solved.

Further, for each group of heat exchange components in the existing multi-group heat exchange components, the structural shape and the setting position of each group of heat exchange components are determined, the structure and the setting position of each group of heat exchange components influence the heat exchange efficiency, so that the heat exchange efficiency among the groups is inconsistent, the flow of the refrigerant is allocated to the multi-group outdoor heat exchange components 11 through the refrigeration throttle pipe 12, the refrigerant among the multi-group indoor heat exchange components 21 is gasified to different degrees through the gasification pipes 22 with different pipe inner diameters and/or lengths, the current outlet temperature of the refrigerant at the refrigerating outlet of each group of corresponding heat exchange components is consistent, and the purpose of fully playing the heat exchange efficiency of each group of heat exchange components is achieved.

With continued reference to fig. 2, in a second embodiment of the fixed-frequency air conditioning system, the fixed-frequency air conditioning system may be a Shan Re fixed-frequency air conditioning system, and with continued reference to fig. 2, a throttle valve 4 is further disposed on a communication pipeline between the outdoor heat exchanger 1 and the indoor heat exchanger 2, for controlling a flow rate of the refrigerant in the communication pipeline between the outdoor heat exchanger 1 and the indoor heat exchanger 2; the throttle valve 4 may be a capillary tube, which is used as a heating throttle valve, and can control the flow of the refrigerant during the heating process of the air conditioning system.

With continued reference to fig. 2, in a first embodiment of the fixed frequency air conditioning system, the fixed frequency air conditioning system may be a single-cooling fixed frequency air conditioning system; the outdoor heat exchanger 1 is provided with at least two groups of outdoor heat exchange assemblies 11 which are communicated in parallel so as to exchange heat independently; the indoor heat exchanger 2 is provided with at least two groups of indoor heat exchange assemblies 21 which are communicated in parallel so as to exchange heat independently.

In order to improve the heat exchange efficiency of the Shan Re fixed-frequency air conditioning system, heating throttle pipes 23 are arranged at the heating inlets (the left side is shown in fig. 2) of each group of indoor heat exchange assemblies 21 and are used for controlling the flow of the refrigerant flowing into the indoor heat exchange assemblies 21 in the heating process, and the plurality of heating throttle pipes 23 realize the flow allocation of the refrigerant among the groups of indoor heat exchange assemblies 21 in the heating process, so that the temperature of the refrigerant at the heating outlets of each group of indoor heat exchange assemblies 21 is consistent; the heating inlets of the outdoor heat exchange assemblies 11 of each group are respectively provided with a heating gasification pipe 13 for gasifying the refrigerant input into the corresponding outdoor heat exchange assembly 11 so as to adjust the temperature of the refrigerant at the outlet of each group of outdoor heat exchange assembly 11, so that the temperature of the refrigerant at the heating outlet of each group of outdoor heat exchange assembly 11 is consistent.

Specifically, the plurality of heating throttle pipes 23 perform flow adjustment on the high-temperature and high-pressure gaseous refrigerant flowing into each group of indoor heat exchange assemblies 21, so that the high-temperature and high-pressure gaseous refrigerant flows into each group of indoor heat exchange assemblies 21 according to the flow rate of each group of indoor heat exchange assemblies 21, and the high-temperature and high-pressure gaseous refrigerant performs heat exchange to the degree of adaptation in the indoor heat exchange assemblies 21, so that the temperature of the refrigerant at the heating outlet of each group of indoor heat exchange assemblies 21 is consistent; the plurality of heating gas pipes 13 respectively gasify the refrigerant flowing into the corresponding outdoor heat exchange assemblies 11, so that the plurality of heating gas pipes 13 gasify the refrigerant of the plurality of groups of outdoor heat exchange assemblies 11, the refrigerant flows into the groups of outdoor heat exchange assemblies 1 according to the gasify degree of the matching of the groups of outdoor heat exchange assemblies 11, the refrigerant exchanges heat in the outdoor heat exchange assemblies 1 according to the matching degree, and the temperature of the refrigerant at the heating outlet of the groups of outdoor heat exchange assemblies 1 can be adjusted, so that the temperature of the refrigerant at the heating outlet of the groups of outdoor heat exchange assemblies 11 is consistent. In this embodiment, at least two of the heating gasification pipes 13 have different pipe inner diameters and/or lengths, so that the plurality of heating gasification pipes 13 can perform gasification treatment on the refrigerant of the plurality of groups of outdoor heat exchange assemblies 11 to different degrees, so that the refrigerant flows into each group of outdoor heat exchange assemblies 1 according to the gasification degree of each group of outdoor heat exchange assemblies 11, and further the refrigerant performs heat exchange of the matching degree in the outdoor heat exchange assemblies 1, and the temperature of the refrigerant at the heating outlets of each group of outdoor heat exchange assemblies 1 can be adjusted, so that the temperature of the refrigerant at the heating outlets of each group of outdoor heat exchange assemblies 11 is consistent. Of course, in other embodiments, the inner diameter and length of each heating gasification pipe 13 may be the same, and the embodiment is not limited in any way.

The plurality of heating throttle pipes 23 and the plurality of heating gasification pipes 13 can fully exert the heat exchange efficiency in the heating process of each group of heat exchange components, especially can fully exert the heat exchange efficiency in the heating process of the heat exchange components positioned at the middle position, thereby improving the heat exchange efficiency in the heating process of the indoor heat exchange components and enabling the air conditioning system to operate under higher energy efficiency ratio in the heating mode.

In the second embodiment, at least two of the heating throttle pipes 23 are different in pipe inner diameter and/or length so that at least two of the sets of indoor heat exchange assemblies 21 are different in refrigerant flow rate, so that the temperatures of the refrigerant at the heating outlets of the sets of indoor heat exchange assemblies 21 are uniform. Of course, in other embodiments, the inner diameter and the length of each heating throttle pipe 23 may be the same, and the present embodiment is not limited thereto.

With continued reference to fig. 2, when the Shan Re constant-frequency air conditioning system is operated, the compressor 3 compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant and conveys the high-temperature high-pressure gaseous refrigerant into the indoor heat exchangers 2, the high-temperature high-pressure gaseous refrigerant is split in the indoor heat exchangers 2 and flows into each group of indoor heat exchange assemblies 21 after passing through the heating throttle pipe 23 respectively, the gaseous refrigerant releases heat in each group of indoor heat exchange assemblies 21 respectively to form medium-temperature normal-pressure liquid refrigerant, the medium-temperature normal-pressure liquid refrigerant is discharged and then is conveyed into the outdoor heat exchanger 1 after being converged by the capillary pipe to split the liquid refrigerant, the liquid refrigerant flows into each group of outdoor heat exchange assemblies 11 respectively, the flow of the liquid refrigerant is controlled by the heating throttle pipe 13, the liquid refrigerant absorbs heat independently in each group of outdoor heat exchange assemblies 11 to form low-temperature low-pressure gaseous refrigerant, and is converged and circulated back into the compressor 3.

In summary, in the air conditioning system with high energy efficiency ratio provided in this embodiment, the heating throttle pipe 23 disposed at the heating inlet of the indoor heat exchange assembly 21 is used to perform flow adjustment on the refrigerant flowing into each group of indoor heat exchange assemblies, so that the refrigerant flows into each group of indoor heat exchange assemblies 21 according to the flow rate matched with each group of indoor heat exchange assemblies 21, and further the refrigerant performs heat exchange with the matching degree in the indoor heat exchange assemblies 21, and the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 can be adjusted, so that the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 is consistent; the refrigerant flowing into each group of outdoor heat exchange assemblies is gasified through the heating gasification pipe 13 arranged at the heating inlet of the outdoor heat exchange assembly 11, so that the refrigerant flows into each group of outdoor heat exchange assemblies 11 according to the gasification degree of each group of outdoor heat exchange assemblies 11, the refrigerant is subjected to heat exchange in the outdoor heat exchange assemblies 11 according to the adaptation degree, the temperature of the refrigerant at the heating outlet of each group of outdoor heat exchange assemblies 11 can be adjusted, and the temperature of the refrigerant at the heating outlet of each group of outdoor heat exchange assemblies 11 is consistent. The temperature at the heating outlet of each group of outdoor heat exchange assemblies 11 is consistent, the temperature at the heating outlet of each group of indoor heat exchange assemblies 21 is consistent, the heat exchange efficiency of each group of outdoor heat exchange assemblies 11 and each group of indoor heat exchange assemblies 21 can be fully exerted, especially the heat exchange efficiency of the outdoor heat exchange assemblies 11 and the indoor heat exchange assemblies 21 positioned in the middle position can be fully exerted, the heat exchange efficiency of an air conditioning system is improved, the air conditioning system can operate under a higher energy efficiency ratio, and the problem that the heat exchange efficiency of the air conditioning system is low due to the heat exchange difference between the existing groups of heat exchange assemblies is solved.

Further, the flow of the refrigerant is regulated by the heating throttle pipe 23 to the plurality of groups of indoor heat exchange assemblies 21, and the refrigerant among the plurality of groups of outdoor heat exchange assemblies 11 is gasified to different degrees by the heating gasification pipe 13 with different pipe inner diameters and/or lengths, so that the current outlet temperature of the refrigerant at the refrigerating outlet of each group of corresponding heat exchange assemblies is consistent, and the purpose of fully playing the heat exchange efficiency of each group of heat exchange assemblies is achieved.

With continued reference to fig. 3, in a third embodiment of the fixed-frequency air conditioning system, the fixed-frequency air conditioning system may be a fixed-frequency dual-mode air conditioning system, and a throttle valve 4 is further disposed on a communication pipeline between the outdoor heat exchanger 1 and the indoor heat exchanger 2, for controlling a flow rate of the refrigerant in the communication pipeline between the outdoor heat exchanger 1 and the indoor heat exchanger 2; the throttle valve 4 is communicated with a fifth one-way valve 5 in parallel, the fifth one-way valve 5 is conducted in the refrigerating process of the fixed-frequency air conditioning system, and is cut off in the heating process of the fixed-frequency air conditioning system. The capillary tube is used as a heating throttle valve, and can control the flow of the refrigerant in the heating process of the air conditioning system. In the drawing, the direction of the single arrow indicates the flow direction of the refrigerant in the cooling mode, and the direction of the double arrow indicates the flow direction of the refrigerant in the heating mode. The outlet pipeline of the compressor 3 is also provided with a four-way valve 6 to realize the switching between heating mode and cooling and heating. In the drawing, the direction of the single arrow indicates the flow direction of the refrigerant in the cooling mode, and the direction of the double arrow indicates the flow direction of the refrigerant in the heating mode.

In a third embodiment of the fixed frequency air conditioning system, the outdoor heat exchange ^{Device for preventing and treating cancer 1} is provided with at least two groups of outdoor heat exchange assemblies 11 which are communicated in parallel so as to independently perform heat exchange; the indoor heat exchange ^{Device for preventing and treating cancer} ₂ is provided with at least two groups of indoor heat exchange assemblies 21 which are communicated in parallel so as to independently exchange heat.

In order to improve the heat exchange efficiency of the fixed-frequency dual-mode air conditioning system, the refrigerating inlets (the left end is shown in fig. 3) of each group of outdoor heat exchange assemblies 11 are respectively provided with a refrigerating throttle pipe 12, and a plurality of refrigerating throttle pipes 12 are used for carrying out flow allocation on the refrigerant which is shunted to flow into each group of outdoor heat exchange assemblies 11, so that the refrigerant flows into each group of outdoor heat exchange assemblies 11 according to the flow which is matched with each group of outdoor heat exchange assemblies 11, the refrigerant carries out heat exchange to the degree of matching in the outdoor heat exchange assemblies 11, and the temperature of the refrigerant at the outlets of each group of outdoor heat exchange assemblies 11 is regulated, so that the temperature of the refrigerant at the refrigerating outlets of each group of outdoor heat exchange assemblies 11 is consistent; the refrigerating inlets (right end as shown in fig. 3) of each group of indoor heat exchange assemblies 21 are respectively provided with a refrigerating gasification pipe 22 for gasifying the refrigerant input into the corresponding indoor heat exchange assembly 21, so as to realize primary regulation of the refrigerant. The refrigerating gasification pipe 22 can replace a refrigerating capillary pipe arranged near the end part of an indoor heat exchange component of an outdoor heat exchange component in the prior art, the refrigerating agent flowing into each group of indoor heat exchange components 21 is gasified at the inlet of each group of indoor heat exchange components 21 respectively and independently, the capillary pipe in the prior art can lead the gas-liquid mixed flow to influence the phenomenon of outputting the refrigerating agent, and simultaneously can generate two-phase flowing noise, and the plurality of refrigerating gasification pipes 22 are respectively arranged at the refrigerating inlets of each group of indoor heat exchange components 21 in the embodiment, so that the gas-liquid mixed flow can be restrained, the noise generated by the two-phase flowing is avoided, and the cost can be reduced; meanwhile, the plurality of gasification pipes 22 can respectively gasify the refrigerants of the plurality of groups of indoor heat exchange assemblies 21, so that the refrigerants flow into each group of indoor heat exchange assemblies 21 according to the gasifiability of the matching of each group of indoor heat exchange assemblies 21, the refrigerants exchange heat in the indoor heat exchange assemblies 21 according to the matching degree, the purpose of adjusting the temperature of the refrigerants at the outlet of each group of indoor heat exchange assemblies 21 is achieved, the temperatures of the refrigerants at the outlet of each group of indoor heat exchange assemblies 21 are consistent, the heat exchange efficiency of each group of indoor heat exchange assemblies 21 is fully exerted, the heat exchange efficiency of the indoor unit is improved, the indoor unit and the air conditioner can operate under a higher energy efficiency ratio, and the problem that the heat exchange efficiency of the indoor unit and the air conditioner is low due to the heat exchange difference between the existing groups of indoor heat exchange assemblies is solved. Wherein the refrigerant gasification tube 22 may be a nozzle or a laval tube.

In order to improve the refrigeration energy efficiency ratio of the air conditioning system, it is preferable that at least two of the gasification pipes 22 have different pipe inner diameters and/or lengths, so that the plurality of gasification pipes 22 perform different degrees of gasification treatment on the refrigerants of the plurality of groups of indoor heat exchange assemblies 21, so that the temperatures of the refrigerants at the outlets of the groups of indoor heat exchange assemblies 21 are consistent.

Specifically, the plurality of refrigerant vaporizing tubes 22 perform vaporization treatment on the refrigerant flowing into the corresponding indoor heat exchange assemblies 21, and at least two of the refrigerant vaporizing tubes 22 have different tube inner diameters and/or lengths, so that the plurality of refrigerant vaporizing tubes 22 can perform vaporization treatment on the refrigerant of the plurality of groups of indoor heat exchange assemblies 21 to different degrees, so that the refrigerant flows into the groups of indoor heat exchange assemblies 21 according to the vaporization degree of each group of indoor heat exchange assemblies 21, the refrigerant performs heat exchange of the adaptation degree in the indoor heat exchange assemblies 21, and the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 can be adjusted, so that the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 is consistent. Of course, in other embodiments, the inner diameter and the length of each of the refrigerating and gasifying pipes 22 may be the same, which is not limited in this embodiment.

Heating throttle pipes 23 are arranged at heating inlets (left side as shown in fig. 3) of each group of indoor heat exchange assemblies 21 and are used for controlling flow of the refrigerant flowing into the indoor heat exchange assemblies 21 in the heating process, and the plurality of heating throttle pipes 23 are used for realizing flow allocation of the refrigerant among a plurality of groups of indoor heat exchange assemblies 21 in the heating process, so that the temperature of the refrigerant at heating outlets of each group of indoor heat exchange assemblies 21 is consistent; a heating gasification pipe 13 is arranged at the heating inlet of each group of outdoor heat exchange assemblies 11 and is used for gasifying the refrigerant input into the corresponding outdoor heat exchange assembly 11; preferably, at least two of the heating and vaporizing tubes 13 have different tube inside diameters and/or lengths, so that the plurality of heating and vaporizing tubes 13 perform different degrees of vaporization treatment on the refrigerant of the plurality of groups of outdoor heat exchange assemblies 11, so that the temperatures of the refrigerant at the heating outlets of the respective groups of outdoor heat exchange assemblies 11 are uniform.

Specifically, the plurality of heating throttle pipes 23 perform flow adjustment on the high-temperature and high-pressure gaseous refrigerant flowing into each group of indoor heat exchange assemblies 21, so that the high-temperature and high-pressure gaseous refrigerant flows into each group of indoor heat exchange assemblies 21 according to the flow rate of each group of indoor heat exchange assemblies 21, and the high-temperature and high-pressure gaseous refrigerant performs heat exchange to the degree of adaptation in the indoor heat exchange assemblies 21, so that the temperature of the refrigerant at the heating outlet of each group of indoor heat exchange assemblies 21 is consistent; the plurality of heating gas pipes 13 respectively gasify the refrigerant flowing into the corresponding outdoor heat exchange assemblies 11, so that the plurality of heating gas pipes 13 gasify the refrigerant of the plurality of groups of outdoor heat exchange assemblies 11, the refrigerant flows into the groups of outdoor heat exchange assemblies 1 according to the gasify degree of the matching of the groups of outdoor heat exchange assemblies 11, the refrigerant exchanges heat in the outdoor heat exchange assemblies 1 according to the matching degree, and the temperature of the refrigerant at the heating outlets of the groups of outdoor heat exchange assemblies 1 can be adjusted, so that the temperature of the refrigerant at the heating outlets of the groups of outdoor heat exchange assemblies 11 is consistent; preferably, at least two of the heating and vaporizing tubes 13 have different tube inside diameters and/or lengths so that the plurality of heating and vaporizing tubes 13 may perform different degrees of vaporization of the refrigerant of the plurality of sets of outdoor heat exchange assemblies 11. Of course, in other embodiments, the inner diameter and length of each heating vaporization pipe 13 may be the same, and the present embodiment is not limited thereto.

With continued reference to fig. 3, each refrigeration throttle tube 12 is connected in parallel with a first one-way valve 14, and each refrigeration gasification tube 22 is connected in parallel with a second one-way valve 24; the heating throttle pipes 23 are connected in parallel with a third one-way valve 25, and the heating gasification pipes 13 are connected in parallel with a fourth one-way valve 15. Wherein the directions of the first check valve 14 and the second check valve 24 are the same, the directions of the third check valve 25 and the fourth check valve 15 are the same, and the directions of the first check valve 14 and the third check valve 15 are opposite. Specifically, during the refrigerating process of the fixed-frequency air conditioning system, the first check valve 14 and the second check valve 24 are closed, and the third check valve 25 and the fourth check valve 15 are connected, so that the refrigerant flows through the refrigeration throttle pipe 12 at the refrigerating inlet of the outdoor heat exchange assembly 11, flows into the outdoor heat exchange assembly 11, flows out through the fourth check valve 15 at the refrigerating outlet of the outdoor heat exchange assembly 11, flows through the refrigeration gasification pipe 22 at the refrigerating inlet of the indoor heat exchange assembly 21, flows into the indoor heat exchange assembly 21, and flows out through the third check valve 25 at the refrigerating outlet of the indoor heat exchange assembly 21. In the heating process of the constant-frequency air conditioning system, the first check valve 14 and the second check valve 24 are conducted, and the third check valve 25 and the fourth check valve 15 are cut off, so that the refrigerant flows through the heating throttle pipe 23 at the heating inlet of the indoor heat exchange assembly 21, flows into the indoor heat exchange assembly 21, flows out through the second check valve 24 at the heating outlet of the indoor heat exchange assembly 21, flows through the heating gasification pipe 13 at the heating inlet of the outdoor heat exchange assembly 11, flows into the outdoor heat exchange assembly 11, and flows out through the first check valve 13 at the heating outlet of the outdoor heat exchange assembly 11.

In the constant-frequency air conditioner refrigerating process, the first check valve 14 and the second check valve 24 are cut off, the third check valve 25 and the fourth check valve 15 are communicated, the compressor 3 compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, and the high-pressure gaseous refrigerant flows into the four-way valve 6 and then is conveyed into the outdoor heat exchanger 1, the high-temperature high-pressure gaseous refrigerant is split and flows into each group of outdoor heat exchange assemblies 11 respectively, the high-temperature high-pressure gaseous refrigerant passes through the refrigeration throttle pipe 12, the refrigeration throttle pipe 12 respectively controls the flow of the high-temperature high-pressure gaseous refrigerant entering the outdoor heat exchange assemblies 11, and respectively releases heat in each group of outdoor heat exchange assemblies 11 to form medium-temperature normal-pressure liquid refrigerant, flows out after passing through the fourth check valve 15, is converged and conveyed into the indoor heat exchanger 2 after passing through the fifth check valve 5, and is split in the indoor heat exchanger 2, and flows into each group of indoor heat exchange assemblies 21 after the refrigerant is gasified in different degrees by the plurality of refrigeration gasification pipes 22 respectively, and the processed refrigerant enters each group of indoor heat exchange assemblies 21 respectively, the high-temperature high-pressure gaseous refrigerant is respectively discharged into each group of indoor heat exchange assemblies 21, and the low-pressure high-pressure liquid refrigerant passes through the four-way valve 5, and then flows back into the three-way valve 3 after passing through the low-pressure check valve and is circulated through the three-pressure air compressor.

In the heating process of the constant-frequency air conditioner, the first check valve 14 and the second check valve 24 are conducted, the third check valve 25 and the fourth check valve 15 are cut off, the compressor 3 compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant flows into the indoor heat exchanger 2 after flowing through the four-way valve 6, the high-temperature high-pressure gaseous refrigerant is split in the indoor heat exchanger 2 and flows into each group of indoor heat exchange assemblies 21 after flowing through the heating throttle pipe 23 respectively, the gaseous refrigerant releases heat in each group of indoor heat exchange assemblies 21 respectively to form medium-temperature normal-pressure liquid refrigerant, the medium-temperature normal-pressure liquid refrigerant is discharged from the second check valve 24 and flows into the capillary tube and then flows into the outdoor heat exchanger 1 to split the liquid refrigerant, the liquid refrigerant flows into each group of outdoor heat exchange assemblies 11 respectively, flows into the outdoor heat exchange assemblies 11 after different degrees of gasification treatment are carried out on the liquid refrigerant through the heating gasification pipe 13, and the low-temperature low-pressure liquid refrigerant is formed independently in the outdoor heat exchange assemblies 11, and flows into the first check valve 14 and then flows back into the four-way valve 7 and is circulated into the compressor 3 after flowing through the four-way valve 7.

In summary, in the air conditioning system with high energy efficiency ratio provided in this embodiment, in the refrigeration process, through the plurality of refrigeration throttle pipes 12 disposed at the refrigeration inlet of the outdoor heat exchange assembly 11, the refrigerant flowing into each group of outdoor heat exchange assemblies 11 is subjected to flow adjustment, so that the refrigerant flows into each group of outdoor heat exchange assemblies 11 according to the flow rate of each group of outdoor heat exchange assemblies 11, so that the refrigerant performs heat exchange to an adaptive degree in the outdoor heat exchange assemblies 11, and then adjusts the temperature of the refrigerant at the refrigeration outlet of each group of outdoor heat exchange assemblies 11, so that the temperature of the refrigerant at the refrigeration outlet of each group of outdoor heat exchange assemblies 11 is consistent, and the refrigerant flowing into each group of indoor heat exchange assemblies is subjected to gasification treatment through the plurality of gasification pipes disposed at the refrigeration inlet of the indoor heat exchange assemblies, so that the refrigerant flows into each group of indoor heat exchange assemblies 21 according to the gasification degree of each group of indoor heat exchange assemblies 21, so that the refrigerant performs heat exchange to an adaptive degree in the indoor heat exchange assemblies 21, and the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 can be adjusted, so that the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 is consistent; in the heating process, through the throttle pipe 23 arranged at the heating inlet of the indoor heat exchange assembly, the flow of the refrigerant flowing into each group of indoor heat exchange assemblies is regulated, so that the refrigerant flows into each group of indoor heat exchange assemblies 21 according to the flow of each group of indoor heat exchange assemblies 21, the refrigerant performs heat exchange to the degree of adaptation in the indoor heat exchange assemblies 21, and the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 can be regulated, so that the temperature of the refrigerant at the outlet of each group of indoor heat exchange assemblies 21 is consistent; the refrigerant flowing into each group of outdoor heat exchange assemblies is gasified through the heating gasification pipe 13 arranged at the heating inlet of the outdoor heat exchange assembly 11, so that the refrigerant flows into each group of outdoor heat exchange assemblies 11 according to the gasification degree of each group of outdoor heat exchange assemblies 11, the refrigerant is subjected to heat exchange in the outdoor heat exchange assemblies 11 according to the adaptation degree, the temperature of the refrigerant at the heating outlet of each group of outdoor heat exchange assemblies 11 can be adjusted, and the temperature of the refrigerant at the heating outlet of each group of outdoor heat exchange assemblies 11 is consistent. The outlet temperature of the heat exchange components is consistent, and the heat exchange efficiency of each group of heat exchange components can be fully exerted. The heat exchange efficiency of the heat exchange components positioned at the middle position can be fully exerted, the heat exchange efficiency of the air conditioning system is improved, the air conditioning system can operate at a higher energy efficiency ratio, and the problem that the heat exchange efficiency of the air conditioning system is low due to the heat exchange difference among the plurality of groups of heat exchange components in the prior art is solved.

Variable frequency air conditioning system embodiments:

Referring to fig. 4 to 6, schematic structural diagrams of a variable frequency air conditioning system according to an embodiment of the present utility model are shown. As shown, the variable frequency air conditioning system includes: an outdoor heat exchanger 1, an indoor heat exchanger 2 and a compressor 3; wherein, indoor heat exchanger 2, outdoor heat exchanger 1 and compressor 3 pass through pipeline circulation intercommunication. Wherein the compressor 3 is a variable frequency compressor, and the throttle valve 4 may be an expansion valve.

With continued reference to fig. 4, in a first embodiment of the variable frequency air conditioning system, the fixed frequency air conditioning system may be a single-cooling variable frequency air conditioning system, which differs from the first embodiment of the fixed frequency air conditioning system in that: the expansion valve is arranged on the communication pipe between the outdoor heat exchanger 1 and the indoor heat exchanger 2, when the single-cooling variable-frequency air conditioning system is in operation, primary adjustment, namely primary adjustment, is performed through the expansion valve, and secondary adjustment is performed on the refrigerant sprayed into the corresponding indoor heat exchange assembly 21 through the plurality of refrigeration gasification pipes 22 respectively, and other parts and technical effects can refer to the first implementation mode of the variable-frequency air conditioning system embodiment, and the description thereof is omitted.

When the single-cooling variable-frequency air conditioning system is operated, the compressor 3 compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant is conveyed into the outdoor heat exchanger 1, the high-temperature high-pressure gaseous refrigerant is split and flows into each group of outdoor heat exchange assemblies 11 respectively, the high-temperature high-pressure gaseous refrigerant passes through the refrigeration throttle pipe 12, the refrigeration throttle pipe 12 controls the flow of the high-temperature high-pressure gaseous refrigerant entering the outdoor heat exchange assemblies 11 respectively, and the high-temperature high-pressure gaseous refrigerant releases heat independently in each group of outdoor heat exchange assemblies 11 respectively to form medium-temperature normal-pressure liquid refrigerant; the medium-temperature normal-pressure liquid refrigerant is conveyed to the indoor heat exchanger 2 after passing through the throttle valve 4, namely the expansion valve, is split in the indoor heat exchanger 2, and flows into each group of indoor heat exchange assemblies 21 after being gasified by the plurality of refrigeration gasification pipes 22, absorbs heat in each group of indoor heat exchange assemblies 21 to form low-temperature low-pressure gaseous refrigerant, and is circulated back to the compressor 3.

In the first embodiment of the variable frequency air conditioning system, other parts and technical effects may refer to the first embodiment of the variable frequency air conditioning system, and will not be described herein.

With continued reference to fig. 5, in a second embodiment of the variable frequency air conditioning system, the variable frequency air conditioning system may be a single heat variable frequency air conditioning system, which differs from the second embodiment of the variable frequency air conditioning system in that: the expansion valve is arranged on the communication pipe between the outdoor heat exchanger 1 and the indoor heat exchanger 2, when the single-cooling variable-frequency air conditioning system is in operation, primary adjustment, namely primary adjustment, is performed through the expansion valve, and secondary adjustment is performed on the refrigerant sprayed into the corresponding outdoor heat exchange assembly 11 through the plurality of heating gas pipes 13 respectively, and other parts and technical effects can refer to the first implementation mode of the variable-frequency air conditioning system embodiment, and the description thereof is omitted.

When the single heat-conversion air conditioning system is in operation, the compressor 3 compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant is conveyed into the indoor heat exchanger 2, the high-temperature high-pressure gaseous refrigerant is split in the indoor heat exchanger 2 and flows into each group of indoor heat exchange assemblies 21 respectively, the high-temperature high-pressure gaseous refrigerant flows into each group of indoor heat exchange assemblies 21 after passing through the heating throttle pipe 23 respectively, the gaseous refrigerant releases heat in each group of indoor heat exchange assemblies 21 respectively to form medium-temperature normal-pressure liquid refrigerant, the medium-temperature normal-pressure liquid refrigerant is discharged and then is combined and flows through the expansion valve to split the liquid refrigerant, the liquid refrigerant flows into each group of outdoor heat exchange assemblies 11 respectively, the flow of the liquid refrigerant is controlled through the heating throttle pipe 13, the liquid refrigerant absorbs heat independently in each group of outdoor heat exchange assemblies 11 to form low-temperature low-pressure gaseous refrigerant, and the liquid refrigerant is combined and circulated back into the compressor 3.

In the second embodiment of the variable frequency air conditioning system, other parts and technical effects may refer to the second embodiment of the variable frequency air conditioning system, which is not described herein.

With continued reference to fig. 6, in a third embodiment of the variable frequency air conditioning system, the variable frequency air conditioning system may be a variable frequency dual mode air conditioning system, which differs from the third embodiment of the variable frequency air conditioning system in that: an expansion valve is arranged on a communicating pipe between the outdoor heat exchanger 1 and the indoor heat exchanger 2, primary adjustment, namely primary adjustment, is carried out through the expansion valve when the variable frequency dual-mode air conditioning system is in operation, and secondary adjustment is carried out on the refrigerant through a plurality of refrigerating gasification pipes 22 or heating gasification pipes 13 respectively.

In the refrigerating process of the variable-frequency dual-mode air conditioning system, the first check valve 14 and the second check valve 24 are cut off, the third check valve 25 and the fourth check valve 15 are communicated, the compressor 3 compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-pressure gaseous refrigerant flows into the indoor heat exchanger 1 after flowing through the four-way valve 6, the high-temperature high-pressure gaseous refrigerant is respectively shunted into each group of outdoor heat exchange assemblies 11, the high-temperature high-pressure gaseous refrigerant passes through the refrigeration throttle pipe 12, the refrigeration throttle pipe 12 respectively controls the flow of the high-temperature high-pressure gaseous refrigerant entering the outdoor heat exchange assemblies 11, and respectively releases heat in each group of outdoor heat exchange assemblies 11 to form medium-temperature normal-pressure liquid refrigerant, the medium-temperature normal-pressure liquid refrigerant flows out through the fourth check valve 15, flows into the indoor heat exchanger 2 after converging and passing through the expansion valve, the medium-temperature normal-pressure liquid refrigerant is shunted in the indoor heat exchanger 2, and flows into each group of indoor heat exchange assemblies 21 after the plurality of refrigeration gasification pipes 22 respectively gasifies the refrigerant entering each group of indoor heat exchange assemblies 21, the processed refrigerant respectively flows into each group of indoor heat exchange assemblies 21, the low-temperature high-pressure liquid refrigerant respectively flows into the indoor heat exchange assemblies through the four-way valve 25 after flowing through the expansion valve, and the medium-pressure normal-pressure liquid refrigerant flows back through the four-way valve 3 after flowing through the three-way valve, and the three-way valve is discharged from the three-way valve after flowing through the three-way valve.

In the heating process of the constant-frequency air conditioner, the first check valve 14 and the second check valve 24 are conducted, the third check valve 25 and the fourth check valve 15 are cut off, the compressor 3 compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant flows into the indoor heat exchanger 2 after flowing through the four-way valve 6, the high-temperature high-pressure gaseous refrigerant is split in the indoor heat exchanger 2 and flows into each group of indoor heat exchange assemblies 21 after flowing through the heating throttle pipe 23 respectively, the gaseous refrigerant releases heat in each group of indoor heat exchange assemblies 21 respectively to form medium-temperature normal-pressure liquid refrigerant, the medium-temperature normal-pressure liquid refrigerant is discharged from the second check valve 24 and flows through the expansion valve and then is conveyed into the outdoor heat exchanger 1 to split the liquid refrigerant, the liquid refrigerant flows into each group of outdoor heat exchange assemblies 11 respectively, the liquid refrigerant flows into the outdoor heat exchange assemblies 11 after being gasified through the gasification pipe 13 and flows into the outdoor heat exchange assemblies 11 independently to form low-temperature low-pressure gaseous refrigerant, and flows through the first check valve 14 and then flows through the four-way valve 7 and returns to the compressor 3 after flowing through the four-way valve 7.

Naturally, in the present embodiment, there may be two throttle valves 4, which are a refrigeration expansion valve and a heating expansion valve, respectively, and the two throttle valves are connected in parallel with a check valve, so that the refrigeration expansion valve and the heating expansion valve can respectively regulate the refrigerant in the refrigeration mode or the heating mode.

In the third embodiment of the variable frequency air conditioning system, other parts and technical effects may refer to the third embodiment of the variable frequency air conditioning system, and the description thereof will not be repeated here.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. An energy efficient air conditioning system, comprising: the outdoor heat exchanger and the indoor heat exchanger are connected; wherein,

At least two groups of outdoor heat exchange assemblies which are communicated in parallel are arranged in the outdoor heat exchanger, and at least two groups of indoor heat exchange assemblies which are communicated in parallel are arranged in the indoor heat exchanger;

the refrigerating inlets of the outdoor heat exchange assemblies are respectively provided with a refrigerating throttle pipe, and the refrigerating throttle pipes are used for regulating the flow of the refrigerant which is shunted into the outdoor heat exchange assemblies so as to regulate the temperature of the refrigerant at the refrigerating outlets of the outdoor heat exchange assemblies, so that the temperature of the refrigerant at the refrigerating outlets of the outdoor heat exchange assemblies is consistent;

And the refrigerating inlets of the indoor heat exchange assemblies are respectively provided with a refrigerating gasification pipe for respectively gasifying the refrigerants input into the corresponding indoor heat exchange assemblies so as to adjust the temperature of the refrigerants at the outlets of the indoor heat exchange assemblies and ensure that the temperatures of the refrigerants at the refrigerating outlets of the indoor heat exchange assemblies are consistent.

2. An air conditioning system according to claim 1, wherein,

In the refrigerating process of the air conditioning system, the compressor compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant is conveyed to the outdoor heat exchanger for diversion, and flows into each group of outdoor heat exchange assemblies after respectively flowing through each refrigeration throttle pipe, releases heat in each group of outdoor heat exchange assemblies to form medium-temperature normal-pressure liquid refrigerant, and the medium-temperature normal-pressure liquid refrigerant is converged; the medium-temperature normal-pressure liquid refrigerant is conveyed to the indoor heat exchange assemblies, the medium-temperature normal-pressure liquid refrigerant is split to flow into each group of indoor heat exchange assemblies respectively, each gasification pipe carries out gasification treatment on the medium-temperature normal-pressure liquid refrigerant at the inlet of each group of indoor heat exchange assemblies respectively, the gasified refrigerant absorbs heat in each group of indoor heat exchange assemblies to form low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant is circulated back into the compressor.

3. An energy efficient air conditioning system, comprising: the outdoor heat exchanger and the indoor heat exchanger are connected; wherein,

heating throttle pipes are arranged at the heating inlets of the indoor heat exchange assemblies of each group, and the plurality of heating throttle pipes are used for carrying out flow allocation on the refrigerant which is shunted to flow into the indoor heat exchange assemblies of each group so as to adjust the temperature of the refrigerant at the heating outlets of the indoor heat exchange assemblies of each group, so that the temperature of the refrigerant at the heating outlets of the indoor heat exchange assemblies of each group is consistent;

And heating gasification pipes are arranged at the heating inlets of the outdoor heat exchange assemblies of each group and are used for respectively gasifying the refrigerants input into the corresponding outdoor heat exchange assemblies so as to adjust the temperature of the refrigerants at the outlets of the outdoor heat exchange assemblies of each group, so that the temperatures of the refrigerants at the refrigerating outlets of the outdoor heat exchange assemblies of each group are consistent.

4. An air conditioning system according to claim 3, wherein,

In the heating process of the air conditioning system, the compressor compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant is conveyed into the indoor heat exchange assemblies, the high-temperature high-pressure gaseous refrigerant is split to flow through each heating throttle pipe and then flows into each group of indoor heat exchange assemblies, the split high-temperature high-pressure gaseous refrigerant releases heat in each group of indoor heat exchange assemblies to form medium-temperature normal-pressure liquid refrigerant, and the medium-temperature normal-pressure liquid refrigerant is converged; the combined medium-temperature normal-pressure liquid refrigerant is conveyed to the outdoor heat exchanger, and the medium-temperature normal-pressure liquid refrigerant is split in the outdoor heat exchanger to flow through each heating gasification pipe for gasification treatment, flows into each group of outdoor heat exchange assemblies, absorbs heat in each group of outdoor heat exchange assemblies to form low-temperature low-pressure gaseous refrigerant, and is circulated back into the compressor.

5. An energy efficient air conditioning system, comprising: the outdoor heat exchanger and the indoor heat exchanger are connected; wherein,

The refrigerating inlets of the indoor heat exchange assemblies are respectively provided with a refrigerating gasification pipe for respectively gasifying the refrigerants input into the corresponding indoor heat exchange assemblies so as to adjust the temperature of the refrigerants at the outlets of the indoor heat exchange assemblies of each group, so that the temperatures of the refrigerants at the refrigerating outlets of the indoor heat exchange assemblies of each group are consistent;

and heating gasification pipes are arranged at heating inlets of the outdoor heat exchange assemblies of each group and are used for respectively gasifying the refrigerants input into the corresponding outdoor heat exchange assemblies so as to adjust the temperature of the refrigerants at outlets of the outdoor heat exchange assemblies of each group, so that the temperatures of the refrigerants at heating outlets of the outdoor heat exchange assemblies of each group are consistent.

6. The high energy efficiency ratio air conditioning system of claim 5, wherein,

Each refrigeration throttle pipe is connected with a first one-way valve in parallel, and each refrigeration gasification pipe is connected with a second one-way valve in parallel; each heating throttle pipe is connected with a third one-way valve in parallel, and each heating gasification pipe is connected with a fourth one-way valve in parallel;

The first check valve and the second check valve are in the same direction, the third check valve and the fourth check valve are in the same direction, and the directions of the first check valve and the third check valve are opposite.

7. The energy efficient air conditioning system according to claim 6, wherein,

In the refrigerating process of the air conditioning system, the first one-way valve and the second one-way valve are closed, and the third one-way valve and the fourth one-way valve are communicated;

In the heating process of the air conditioning system, the first one-way valve and the second one-way valve are connected, and the third one-way valve and the fourth one-way valve are disconnected.

8. The high energy efficiency ratio air conditioning system of any one of claims 5 to 7, further comprising: a compressor; wherein,

The compressor, the outdoor heat exchanger and the indoor heat exchange component are circularly communicated through pipelines;

the refrigerating inlet of the indoor heat exchange assembly and the heating outlet of the indoor heat exchange assembly are connecting ports of the indoor heat exchange assembly close to the outdoor heat exchanger, and the refrigerating outlet of the indoor heat exchange assembly and the heating inlet of the indoor heat exchange assembly are connecting ports of the indoor heat exchange assembly close to the compressor;

The refrigerating inlet of the outdoor heat exchange assembly and the heating outlet of the outdoor heat exchange assembly are connecting ports of the outdoor heat exchange assembly, which are close to the compressor, and the refrigerating outlet of the outdoor heat exchange assembly and the heating inlet of the outdoor heat exchange assembly are connecting ports of the outdoor heat exchange assembly, which are close to the indoor heat exchange assembly.

9. The energy efficient air conditioning system according to claim 8, wherein,

The outlet pipeline of the compressor is also provided with a four-way valve, the four-way valve is also respectively communicated with the return pipe of the compressor, the outdoor heat exchanger and the indoor heat exchange assembly, and a throttle valve is arranged on the pipeline between the outdoor heat exchanger and the indoor heat exchange assembly.

10. An air conditioning system according to claim 9, wherein,

The compressor is a variable frequency compressor, the throttle valve is an expansion valve and is used for controlling the flow of the refrigerant based on the rotating speed of the variable frequency compressor; or alternatively, the first and second heat exchangers may be,

The compressor is a fixed-frequency compressor, the throttle valve is a capillary tube, a fifth one-way valve is communicated with the capillary tube in parallel, and the fifth one-way valve is conducted in the refrigerating process of the fixed-frequency compressor and is cut off in the heating process of the fixed-frequency compressor.