CN220707546U - Outdoor unit with high energy efficiency ratio and air conditioner with same - Google Patents
Outdoor unit with high energy efficiency ratio and air conditioner with same Download PDFInfo
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- CN220707546U CN220707546U CN202322245254.7U CN202322245254U CN220707546U CN 220707546 U CN220707546 U CN 220707546U CN 202322245254 U CN202322245254 U CN 202322245254U CN 220707546 U CN220707546 U CN 220707546U
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- 239000003507 refrigerant Substances 0.000 claims abstract description 188
- 230000000712 assembly Effects 0.000 claims abstract description 137
- 238000000429 assembly Methods 0.000 claims abstract description 137
- 238000010438 heat treatment Methods 0.000 claims description 96
- 238000005057 refrigeration Methods 0.000 claims description 64
- 239000007788 liquid Substances 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
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Abstract
The utility model provides an outdoor unit with high energy efficiency ratio and an air conditioner with the same. At least two groups of outdoor heat exchange assemblies which are communicated in parallel are arranged in the outdoor unit; the inlets of the outdoor heat exchange assemblies are respectively provided with a throttle pipe, and the throttle pipes are used for carrying out flow allocation on the refrigerant which flows into the outdoor heat exchange assemblies in a split manner so as to adjust the temperature of the refrigerant at the outlets of the outdoor heat exchange assemblies in each group, so that the temperatures of the refrigerant at the outlets of the outdoor heat exchange assemblies in each group are consistent. 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 throttle pipes arranged at the inlet of the outdoor unit, so that the refrigerant exchanges heat in the outdoor heat exchange assemblies to the degree of adaptation, and the temperature of the refrigerant at the outlet of each group of outdoor heat exchange assemblies is regulated, so that the temperatures of the refrigerant at the outlet of each group of outdoor heat exchange assemblies are consistent, the heat exchange efficiency of each group of outdoor heat exchange assemblies can be fully exerted, and the heat exchange efficiency of the outdoor unit is improved.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an outdoor unit with high energy efficiency ratio and an air conditioner with the same.
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 unit and an indoor unit, wherein a plurality of groups of outdoor heat exchange assemblies are arranged in the outdoor heat exchanger, and are communicated in parallel so as to perform independent heat exchange respectively through refrigerants input into the outdoor heat exchange assemblies, and the outdoor heat exchange assemblies are combined after output and are converged into the indoor unit. 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, as the structural shape and the setting position of each group of outdoor heat exchange assemblies in the plurality of groups of outdoor heat exchange assemblies are determined, the heat exchange efficiency of each group of outdoor heat exchange assemblies is affected by the structure and the setting position of each group of outdoor heat exchange assemblies, so that the heat exchange efficiency among the groups is inconsistent, for example, the heat exchange efficiency of the assemblies 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 assembly cannot be fully exerted, and the overall heat exchange efficiency of the outdoor unit is low.
Disclosure of Invention
In view of this, the present utility model provides an outdoor unit with a high energy efficiency ratio and an air conditioner having the same, which aims to solve the problem that the heat exchange efficiency of the outdoor unit is low due to the heat exchange difference between the existing multiple groups of outdoor heat exchange components.
In one aspect, the utility model provides an outdoor unit with high energy efficiency ratio, wherein at least two groups of outdoor heat exchange assemblies which are communicated in parallel are arranged in the outdoor unit; and the inlets of the outdoor heat exchange assemblies are respectively provided with a throttle pipe, and the throttle pipes are used for carrying out flow allocation on the refrigerant which flows into the outdoor heat exchange assemblies in a split mode so as to adjust the temperature of the refrigerant at the outlets of the outdoor heat exchange assemblies in each group, so that the temperatures of the refrigerant at the outlets of the outdoor heat exchange assemblies in each group are consistent.
Further, in the outdoor unit with high energy efficiency ratio, the refrigeration inlets of the outdoor heat exchange assemblies are respectively provided with a refrigeration throttle pipe, and the refrigeration throttle pipes are used for distributing and distributing the flow of the refrigerant gas flowing into the outdoor heat exchange assemblies in the refrigeration process so as to adjust the temperature of the refrigerant liquid at the refrigeration outlets of the outdoor heat exchange assemblies, so that the temperature of the refrigerant liquid at the refrigeration outlets of the outdoor heat exchange assemblies is consistent.
Further, in the outdoor unit with high energy efficiency ratio, each refrigeration throttle pipe is connected with a refrigeration check valve in parallel; in the refrigerating process of the air conditioner, the refrigerating one-way valve is cut off, and the refrigerant gas flows into the outdoor heat exchange assembly after passing through the refrigerating throttle pipe; in the heating process of the air conditioner, the refrigeration one-way valve is conducted, and the refrigerant gas flowing out of the outdoor heat exchange assembly flows out of the refrigeration one-way valve.
Further, in the outdoor unit with high energy efficiency ratio, heating throttle pipes are arranged at heating inlets of the outdoor heat exchange assemblies of each group, and the plurality of heating throttle pipes are used for carrying out flow allocation on refrigerant liquid which is shunted into the outdoor heat exchange assemblies of each group in the heating process so as to adjust the refrigerant temperature of refrigerant gas at heating outlets of the outdoor heat exchange assemblies of each group, so that the temperature of refrigerant gas at the heating outlets of the outdoor heat exchange assemblies of each group is consistent.
Further, the outdoor unit with high energy efficiency ratio is characterized in that each heating throttle pipe is connected with a heating check valve in parallel; in the refrigerating process of the air conditioner, the heating one-way valve is conducted, and the refrigerant liquid flowing out of the outdoor heat exchange assembly passes through the heating one-way valve and flows out; in the heating process of the air conditioner, the heating one-way valve is cut off, and the refrigerant liquid flows into the outdoor heat exchange assembly for heat exchange after passing through the heating throttle pipe.
Further, in the outdoor unit with high energy efficiency ratio, throttle pipes are arranged at two ends of each group of the outdoor heat exchange components, one-way valves are connected in parallel on each throttle pipe, and the one-way valves at two ends of each group of the outdoor heat exchange components are opposite in direction.
Further, in the outdoor unit with high energy efficiency ratio, during the refrigerating and/or heating process of the air conditioner, the check valve arranged at the inlet of the outdoor heat exchange component is closed, the check valve arranged at the outlet of the outdoor heat exchange component is opened, and the refrigerant flows into the outdoor heat exchange component to exchange heat after passing through the refrigeration throttle pipe arranged at the inlet of the outdoor heat exchange component, and is discharged from the check valve arranged at the outlet of the outdoor heat exchange component.
Further, in the outdoor unit with high energy efficiency ratio, at least two of the throttle pipes have different pipe inner diameters and/or lengths, so that the refrigerant flow at the inlets of at least two of the outdoor heat exchange assemblies is different, and the temperatures of the refrigerants at the outlets of the outdoor heat exchange assemblies are consistent.
On the other hand, the utility model also provides an air conditioner which is provided with the outdoor unit with the high energy efficiency ratio.
Further, the air conditioner further comprises: the device comprises a compressor, an indoor heat exchanger, a refrigeration throttle valve and a four-way valve; the compressor, the indoor heat exchanger, the four-way valve and the outdoor heat exchange component are circularly communicated through pipelines, and the refrigeration throttle valve is arranged on a communication pipeline between the indoor heat exchanger and the outdoor heat exchange component; 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 four-way valve, 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 exchanger.
According to the outdoor unit with high energy efficiency ratio and the air conditioner with the same, the refrigerant flowing into each group of outdoor heat exchange assemblies is subjected to flow allocation through the plurality of throttle pipes arranged at the inlet of the outdoor unit, so that the refrigerant flows into each group of outdoor heat exchange assemblies according to the flow rate matched with 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 outlet of each group of outdoor heat exchange assemblies is regulated, the temperature of the refrigerant at the outlet of each group of outdoor heat exchange assemblies is consistent, the heat exchange efficiency of each group of outdoor heat exchange assemblies can be fully exerted, and especially the heat exchange efficiency of the outdoor heat exchange assemblies positioned at the middle position can be fully exerted, the heat exchange efficiency of the outdoor unit is improved, the outdoor unit and the air conditioner can be operated under the higher energy efficiency ratio, and the problem that the heat exchange efficiency of the outdoor unit and the air conditioner is low due to the heat exchange difference between the existing groups of outdoor heat exchange assemblies 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 an air conditioner according to a first embodiment of the present utility model;
fig. 2 is a schematic view of another structure of an air conditioner according to a first embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an air conditioner according to a second embodiment of the present utility model;
fig. 4 is a schematic view of another structure of an air conditioner according to a second embodiment of the present utility model;
fig. 5 is a schematic structural diagram of an air conditioner according to a third 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.
Referring to fig. 1 to 5, preferred structures of an air conditioner having an outdoor unit with a high energy efficiency ratio according to an embodiment of the present utility model are shown. As shown, the air conditioner includes: an outdoor heat exchanger 1, an indoor heat exchanger 2 and a compressor 3; the indoor heat exchanger 2, the outdoor heat exchanger 1 and the compressor 3 are circularly communicated through pipelines, the direction of a single arrow in the figure indicates the flow direction of the refrigerant in the refrigeration mode, and the direction of a double arrow indicates the flow direction of the refrigerant in the heating mode.
In the utility model, the outdoor unit with high energy efficiency ratio is provided with at least two groups of outdoor heat exchange assemblies 11 which are communicated in parallel, namely, 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.
In order to improve the refrigeration energy efficiency ratio of the air conditioner, the inlets of the outdoor heat exchange assemblies 11 of each group are respectively provided with a throttle pipe, the throttle pipes are used for carrying out flow allocation on the refrigerant which is shunted 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 exchanges heat in each group of outdoor heat exchange assemblies 11 to the degree of matching, 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 outlets of each group of outdoor heat exchange assemblies 11 is consistent, the heat exchange efficiency of each group of outdoor heat exchange assemblies 11 can be fully exerted, especially the heat exchange efficiency of the outdoor heat exchange assemblies 11 positioned in the middle position can be fully exerted, the heat exchange efficiency of the outdoor unit is improved, the outdoor unit and the air conditioner can operate under higher energy efficiency ratio, and the problem that the heat exchange efficiency of the outdoor unit and the air conditioner is low due to the fact that the heat exchange difference between the existing groups of outdoor heat exchange assemblies is large is solved.
In the present utility model, the inner diameters and/or lengths of at least two of the throttle pipes are different, that is, the inner diameters of at least two of the throttle pipes are different, or the lengths of at least two of the throttle pipes are different, or the inner diameters and lengths of at least two of the throttle pipes are different, so that the flow rates of the refrigerants at the inlets of at least two of the outdoor heat exchange assemblies 11 are different, and the temperatures of the refrigerants at the outlets of the outdoor heat exchange assemblies 11 are identical, in particular, the structural shape and the arrangement positions of the outdoor heat exchange assemblies of each of the existing groups of outdoor heat exchange assemblies are determined, the structure and the arrangement positions of the outdoor heat exchange assemblies of each group influence the heat exchange efficiency, and thus the heat exchange efficiency is inconsistent, for example, the heat exchange efficiency of the assemblies located at the outer side is good, the outlet temperature is low, the outlet temperature is poor, the outlet temperature is high, the current outlet temperature of the refrigerants at the outlets of the outdoor heat exchange assemblies 11 of each group of the outdoor heat exchange assemblies is identical, and the heat exchange efficiency of each group of outdoor heat exchange assemblies is fully exerted.
The outdoor unit and the air conditioner are described in detail below in three detailed embodiments, respectively:
first embodiment:
with continued reference to fig. 1 and 2, the air conditioner includes: an outdoor heat exchanger 1, an indoor heat exchanger 2, a compressor 3 and a refrigeration throttle valve 4; wherein, indoor heat exchanger 2, outdoor heat exchanger 1 and compressor 3 pass through pipeline circulation intercommunication, and refrigeration choke 4 sets up on the pipeline that communicates between indoor heat exchanger 2, outdoor heat exchanger 1.
In this embodiment, in order to improve the refrigeration energy efficiency ratio in the outdoor unit refrigeration mode, the refrigeration inlets of each group of the outdoor heat exchange assemblies 11 are provided with refrigeration throttle pipes 12, and the plurality of refrigeration throttle pipes 12 are used for distributing the flow of the refrigerant gas flowing into each group of the outdoor heat exchange assemblies 11 in the refrigeration process so as to adjust the temperature of the refrigerant liquid at the refrigeration outlets of each group of the outdoor heat exchange assemblies 11, so that the temperatures of the refrigerant liquid at the refrigeration outlets of each group of the outdoor heat exchange assemblies 11 are consistent.
Specifically, the refrigerating inlet of the outdoor heat exchange assembly 11 and the heating outlet of the outdoor heat exchange assembly 11 are connectors of the outdoor heat exchange assembly 11 close to the four-way valve 7 (left side as shown in fig. 2), the refrigerating outlet of the outdoor heat exchange assembly 11 and the heating inlet of the outdoor heat exchange assembly 11 are connectors of the outdoor heat exchange assembly 11 close to the indoor heat exchanger 2 (right side as shown in fig. 1), the refrigerating inlets of the outdoor heat exchange assemblies 11 are respectively provided with a refrigerating throttle pipe 12, the plurality of refrigerating throttle pipes 12 respectively control the flow of the refrigerant entering the outdoor heat exchange assembly 11 so as to realize refrigerant flow allocation, and the high-temperature high-pressure gaseous refrigerant flows into the outdoor heat exchange assemblies 11 according to the flow of the adaptation of the outdoor heat exchange assemblies 11, so that the refrigerant exchanges heat in the outdoor heat exchange assemblies 11 to an adaptation degree, and the temperature of the refrigerant at the outlets of the outdoor heat exchange assemblies 11 is consistent.
In this embodiment, as shown in fig. 1, during the refrigerating process of the air conditioner, the compressor 3 compresses the low-temperature low-pressure gaseous refrigerant into the high-temperature high-pressure gaseous refrigerant, and sends the high-temperature high-pressure gaseous refrigerant to the outdoor heat exchanger 1, so as to split the high-temperature high-pressure gaseous refrigerant, and flow the high-temperature high-pressure gaseous refrigerant into each group of outdoor heat exchange assemblies 11 respectively, the refrigerating throttle pipe 12 controls the flow of the high-temperature high-pressure gaseous refrigerant entering the outdoor heat exchange assemblies 11 respectively, and the split high-temperature high-pressure gaseous refrigerant releases heat in each group of outdoor heat exchange assemblies 11 to form a medium-temperature normal-pressure liquid refrigerant; after passing through the refrigeration throttle valve 4, the medium-temperature normal-pressure liquid refrigerant forms a low-temperature low-pressure liquid refrigerant, and is conveyed into the indoor heat exchanger 2, absorbs heat in the indoor heat exchanger 2, forms a low-temperature low-pressure gaseous refrigerant, and circulates back into the compressor 3.
With continued reference to fig. 2, a heating throttle valve 5 is further disposed on a communication pipeline between the outdoor heat exchanger 1 and the indoor heat exchanger 2, the heating throttle valve 5 is further connected in parallel with a first check valve 6, and a four-way valve 7 is further disposed on an outlet pipeline of the compressor 3 to realize switching between heating and refrigeration.
In order to realize the compatibility of the refrigerating mode and the heating mode of the air conditioner, preferably, each refrigerating throttle pipe 12 is connected with a refrigerating check valve 13 in parallel; in the refrigerating process of the air conditioner, namely in a refrigerating mode, the refrigerating one-way valve 13 is closed, the first one-way valve 6 is conducted, and the refrigerant gas flows into the outdoor heat exchange assembly 11 after passing through the refrigerating throttle pipe 12; in the heating process of the air conditioner, namely in a heating mode, the refrigeration check valve 13 is conducted, and the refrigerant gas flowing out of the outdoor heat exchange assembly 11 flows out from the refrigeration check valve 13.
Specifically, during the refrigerating process of the air conditioner, the refrigerating one-way valve 13 is closed, the high-temperature high-pressure gaseous refrigerant passes through the refrigerating throttle pipe 12, the first one-way valve 6 is closed, and the refrigerant passes through the first one-way valve 6; 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 after passing through the four-way valve 7, 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 passes through the first one-way valve 6, and flows through the refrigeration throttle valve 4 to form low-temperature low-pressure liquid refrigerant and is conveyed to the indoor heat exchanger 2, absorbs heat in the indoor heat exchanger 2 to form low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant is circulated back into the compressor 3 after passing through the four-way valve 7.
In the heating process of the air conditioner, the refrigeration one-way valve 13 is conducted, the first one-way valve 6 is cut off, the high-temperature high-pressure gaseous refrigerant passes through the refrigeration one-way valve 13, and the refrigerant passes through the self-heating throttle valve 5; the compressor 3 compresses a low-temperature low-pressure gaseous refrigerant into a high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant passes through the four-way valve 7 and is then conveyed into the indoor heat exchanger 2, the high-temperature high-pressure gaseous refrigerant releases heat in the indoor heat exchanger 2 to form a medium-temperature normal-pressure liquid refrigerant, and indoor temperature rise is realized; the medium-temperature normal-pressure liquid refrigerant is conveyed into the outdoor heat exchanger 1 after passing through the refrigeration throttle valve 4 and the heating throttle valve 5 to form a low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant is split, flows into all groups of outdoor heat exchange assemblies 11 respectively and absorbs heat independently in all groups of outdoor heat exchange assemblies 11 to form a low-temperature low-pressure gaseous refrigerant, flows out of the outdoor heat exchange assemblies 11 after passing through the refrigeration check valve 13, and is circulated back into the compressor 3 after passing through the four-way valve 7.
In this embodiment, the refrigeration throttle 4 may be a nozzle throttle disclosed in application No. 2011102692944, or may have another structure, and is not limited in this embodiment.
Second embodiment:
with continued reference to fig. 3 and 4, the air conditioner includes: an outdoor heat exchanger 1, an indoor heat exchanger 2, a compressor 3 and a refrigeration throttle valve 4; wherein, indoor heat exchanger 2, outdoor heat exchanger 1 and compressor 3 pass through pipeline circulation intercommunication, and refrigeration choke 4 establishes ties and sets up on the pipeline that communicates between indoor heat exchanger 2, outdoor heat exchanger 1.
In order to improve the heating energy efficiency ratio in the outdoor heating mode, heating inlets of the outdoor heat exchange assemblies 11 of each group are respectively provided with a heating throttle pipe 14, and the plurality of heating throttle pipes 14 are used for distributing and distributing the flow of the refrigerant liquid flowing into the outdoor heat exchange assemblies 11 of each group in the heating process so as to adjust the temperature of the refrigerant gas at heating outlets of the outdoor heat exchange assemblies 11 of each group, so that the temperature of the refrigerant gas at the heating outlets of the outdoor heat exchange assemblies 11 of each group is consistent.
Specifically, the refrigerating inlet of the outdoor heat exchange assembly 11 and the heating outlet of the outdoor heat exchange assembly 11 are connecting ports of the outdoor heat exchange assembly 11 near the four-way valve 5 (left side as shown in fig. 4), and the refrigerating outlet of the outdoor heat exchange assembly 11 and the heating inlet of the outdoor heat exchange assembly 11 are connecting ports of the outdoor heat exchange assembly 11 near the indoor heat exchanger 2 (right side as shown in fig. 1). In the present embodiment, a throttle valve 4 is further provided on the communication pipe between the outdoor heat exchanger 1 and the indoor heat exchanger 2. The plurality of heating throttle pipes 14 respectively control the flow of the refrigerant entering the outdoor heat exchange assembly 11 so as to realize refrigerant flow allocation, so that the medium-temperature normal-pressure liquid refrigerant flows into each group of outdoor heat exchange assemblies 11 according to the flow matched with each group of outdoor heat exchange assemblies 11, the refrigerant exchanges heat in the outdoor heat exchange assemblies 11 to the matched degree, and the temperature of the refrigerant at the outlet of each group of outdoor heat exchange assemblies 11 is consistent.
In this embodiment, as shown in fig. 3, in the heating process of the air conditioner, the compressor 3 compresses the low-temperature low-pressure gaseous refrigerant into the high-temperature high-pressure gaseous refrigerant, and sends the high-temperature high-pressure gaseous refrigerant into the indoor heat exchanger 2, the high-temperature high-pressure gaseous refrigerant releases heat in the indoor heat exchanger 2 to form a medium-temperature normal-pressure liquid refrigerant, so as to realize indoor temperature rise; after passing through the refrigeration throttle valve 4, the medium-temperature normal-pressure liquid refrigerant is conveyed into the outdoor heat exchanger 1, the liquid refrigerant is split, the liquid refrigerant flows into each group of outdoor heat exchange assemblies 11 respectively, the heating throttle pipe 14 controls the flow of the liquid refrigerant entering the outdoor heat exchange assemblies 11 respectively, the split liquid refrigerant absorbs heat in each group of outdoor heat exchange assemblies 11 to form low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant is circulated back into the compressor 3.
With continued reference to fig. 4, the outlet pipe of the compressor 3 is further provided with a four-way valve 5 to switch between heating and cooling. In order to achieve compatibility between the cooling mode and the heating mode of the air conditioner, preferably, each heating throttle pipe 14 is connected in parallel with a heating check valve 15. In the heating process of the air conditioner, the heating check valve 15 is closed, and the refrigerant gas flows into the outdoor heat exchange assembly 11 after passing through the heating throttle pipe 14. In the refrigerating process of the air conditioner, the heating one-way valve 15 is conducted, and the refrigerant self-heats the one-way valve 15 and is discharged out of the outdoor heat exchange assembly 11.
Specifically, during the refrigerating process of the air conditioner, the heating check valve 15 is turned on; 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 to the outdoor heat exchanger 1, shunts the high-temperature high-pressure gaseous refrigerant, and flows into each group of outdoor heat exchange assemblies 11 respectively, the shunted high-temperature high-pressure gaseous refrigerant releases heat in each group of outdoor heat exchange assemblies 11 to form medium-temperature normal-pressure liquid refrigerant, and the medium-temperature normal-pressure liquid refrigerant is converged after passing through the self-heating check valve 15; the converged medium-temperature normal-pressure liquid refrigerant flows through the refrigeration throttle valve 4 to form a low-temperature low-pressure liquid refrigerant, the low-temperature low-pressure liquid refrigerant is conveyed into the indoor heat exchanger 2, the medium-temperature normal-pressure liquid refrigerant absorbs heat in the indoor heat exchanger 2 to form a low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant is circulated back into the compressor 3 through the four-way valve 7.
In the heating process of the air conditioner, the heating check valve 15 is closed, and the refrigerant passes through the self-heating throttle pipe 14; the compressor 3 compresses the low-temperature low-pressure gaseous refrigerant into a high-temperature high-pressure gaseous refrigerant, and conveys the high-temperature high-pressure gaseous refrigerant into the indoor heat exchanger 2, and the high-temperature high-pressure gaseous refrigerant releases heat in the indoor heat exchanger 2 to form a medium-temperature normal-pressure liquid refrigerant so as to realize indoor temperature rise; after passing through the refrigeration throttle valve 4, the medium-temperature normal-pressure liquid refrigerant is conveyed into the outdoor heat exchanger 1, the liquid refrigerant is split, flows into each group of outdoor heat exchange assemblies 11 respectively, is subjected to flow control through the heating throttle pipe 14, absorbs heat independently in each group of outdoor heat exchange assemblies 11 to form low-temperature low-pressure gaseous refrigerant, and is circulated back into the compressor 3 through the four-way valve 7.
In this embodiment, the refrigeration throttle 4 may be a nozzle throttle disclosed in application No. 2011102692944, or may have another structure, and is not limited in this embodiment.
Third embodiment:
with continued reference to fig. 5, the air conditioner includes: an outdoor heat exchanger 1, an indoor heat exchanger 2, a compressor 3 and a refrigeration throttle valve 4; wherein, indoor heat exchanger 2, outdoor heat exchanger 1 and compressor 3 pass through pipeline circulation intercommunication, and refrigeration choke 4 sets up on the pipeline that communicates between indoor heat exchanger 2, outdoor heat exchanger 1. The outlet pipeline of the compressor 3 is also provided with a four-way valve 5 to realize the switching between heating and refrigerating.
In this embodiment, to increase the energy efficiency ratio of the outdoor unit, the two ends (the left and right ends as shown in fig. 5) of each group of the outdoor heat exchange assemblies 11 are respectively provided with a throttle pipe, each throttle pipe is connected in parallel with a check valve, and the directions of the check valves at the two ends of each group of the outdoor heat exchange assemblies are opposite.
Specifically, the refrigerating inlet of the outdoor heat exchange assembly 11 and the heating outlet of the outdoor heat exchange assembly 11 are connecting ports of the outdoor heat exchange assembly 11 near the four-way valve 5 (left side as shown in fig. 5), and the refrigerating outlet of the outdoor heat exchange assembly 11 and the heating inlet of the outdoor heat exchange assembly 11 are connecting ports of the outdoor heat exchange assembly 11 near the indoor heat exchanger 2 (right side as shown in fig. 5). The refrigerating inlets of the outdoor heat exchange assemblies 11 are respectively provided with a refrigerating throttle pipe 12, and the refrigerating throttle pipes 12 are used for carrying out flow allocation on the refrigerant gas which is shunted into the outdoor heat exchange assemblies 11 in the refrigerating process so as to adjust the temperature of the refrigerant liquid at the refrigerating outlets of the outdoor heat exchange assemblies 11 in each group, so that the temperature of the refrigerant liquid at the refrigerating outlets of the outdoor heat exchange assemblies 11 in each group is consistent; wherein, each refrigeration throttle pipe 12 is connected with a refrigeration check valve 13 in parallel to realize the compatibility of the refrigeration mode and the heating mode of the air conditioner. The heating inlets of the outdoor heat exchange assemblies 11 are respectively provided with a heating throttle pipe 14, and the plurality of heating throttle pipes 14 are used for carrying out flow adjustment on refrigerant liquid which is shunted into the outdoor heat exchange assemblies 11 in the heating process so as to adjust the temperature of the refrigerant gas at the heating outlets of the outdoor heat exchange assemblies 11 in each group, so that the temperature of the refrigerant gas at the heating outlets of the outdoor heat exchange assemblies 11 in each group is consistent; wherein, each heating throttle pipe 14 is connected with a heating one-way valve 15 in parallel. Wherein the directions of the refrigeration check valve 13 and the heating check valve 15 are opposite.
In this embodiment, during the cooling and/or heating process of the air conditioner, the check valve disposed at the inlet of the outdoor heat exchange assembly 11 is closed, the check valve disposed at the outlet of the outdoor heat exchange assembly 11 is opened, and the refrigerant flows into the outdoor heat exchange assembly after passing through the refrigeration throttle pipe disposed at the inlet of the outdoor heat exchange assembly, and is discharged from the check valve disposed at the outlet of the outdoor heat exchange assembly.
Specifically, during the refrigerating process of the air conditioner, the refrigerating check valve 13 is closed, the refrigerant passes through the refrigerating throttle pipe 12, and the heating check valve 15 is opened; 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 after passing through the four-way valve 7, 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 carries out flow control, namely flow allocation, on the high-temperature high-pressure gaseous refrigerant entering the outdoor heat exchange assemblies 11, the gaseous refrigerant respectively and independently 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 is converged after passing through the heating one-way valve 15, the low-temperature low-pressure liquid refrigerant is formed after passing through the refrigeration throttle valve 4, the low-temperature low-pressure liquid refrigerant is conveyed to the indoor heat exchanger 2, the low-temperature low-pressure gaseous refrigerant is absorbed in the indoor heat exchanger 2, and the low-temperature low-pressure gaseous refrigerant is circulated back into the compressor 3 after passing through the four-way valve 7.
In the heating process of the air conditioner, the refrigeration check valve 13 is turned on, the heating check valve 15 is turned off, and the refrigerant passes through the self-heating throttle pipe 14; the compressor 3 compresses the low-temperature low-pressure gaseous refrigerant into a high-temperature high-pressure gaseous refrigerant, and conveys the high-temperature high-pressure gaseous refrigerant into the indoor heat exchanger 2, and the high-temperature high-pressure gaseous refrigerant releases heat in the indoor heat exchanger 2 to form a medium-temperature normal-pressure liquid refrigerant so as to realize indoor temperature rise; after passing through the refrigeration throttle valve 4, the medium-temperature normal-pressure liquid refrigerant is conveyed into the outdoor heat exchanger 1, the liquid refrigerant is split, flows into each group of outdoor heat exchange assemblies 11 respectively, the flow of the liquid refrigerant is controlled through the heating throttle pipe 14, 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 low-temperature low-pressure gaseous refrigerant is converged after passing through the refrigeration check valve 13 and is circulated back into the compressor 3 after passing through the four-way valve 7.
In the above embodiments, for the fixed-frequency air conditioner, the throttle may be a capillary tube; for variable frequency air conditioners, the throttle valve may be an expansion valve such as an electronic expansion valve.
In summary, the outdoor unit with high energy efficiency ratio and the air conditioner with the same provided by the utility model have the advantages that the flow of the refrigerant flowing into each group of outdoor heat exchange assemblies 11 is regulated by the plurality of throttle pipes arranged at the inlet of the outdoor unit, so that the refrigerant flows into each group of outdoor heat exchange assemblies 11 according to the flow matched with each group of outdoor heat exchange assemblies 11, the refrigerant exchanges heat in each group of outdoor heat exchange assemblies 11 to the degree of matching, the temperature of the refrigerant at the outlet of each group of outdoor heat exchange assemblies 11 is regulated, the temperature of the refrigerant at the outlet of each group of outdoor heat exchange assemblies 11 is consistent, the heat exchange efficiency of each group of outdoor heat exchange assemblies 11 can be fully exerted, especially the heat exchange efficiency of the outdoor heat exchange assemblies 11 positioned at the middle position can be fully exerted, the heat exchange efficiency of the outdoor unit is improved, the outdoor unit and the air conditioner can operate under higher energy efficiency ratio, and the problem that the heat exchange efficiency of the outdoor unit and the air conditioner is low due to the fact that the heat exchange difference between the existing groups of outdoor heat exchange assemblies is large is solved.
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 (10)
1. An outdoor unit with high energy efficiency ratio is characterized in that,
at least two groups of outdoor heat exchange assemblies which are communicated in parallel are arranged in the outdoor unit;
and the inlets of the outdoor heat exchange assemblies are respectively provided with a throttle pipe, and the throttle pipes are used for carrying out flow allocation on the refrigerant which flows into the outdoor heat exchange assemblies in a split mode so as to adjust the temperature of the refrigerant at the outlets of the outdoor heat exchange assemblies in each group, so that the temperatures of the refrigerant at the outlets of the outdoor heat exchange assemblies in each group are consistent.
2. The outdoor unit of claim 1, wherein the outdoor unit comprises,
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 carrying out flow allocation on refrigerant gas which is shunted into the outdoor heat exchange assemblies in the refrigerating process so as to adjust the temperature of the refrigerant liquid at the refrigerating outlets of the outdoor heat exchange assemblies, so that the temperature of the refrigerant liquid at the refrigerating outlets of the outdoor heat exchange assemblies is consistent.
3. The outdoor unit of claim 2, wherein the outdoor unit comprises,
a refrigeration check valve is connected in parallel with each refrigeration throttle pipe;
in the refrigerating process of the air conditioner, the refrigerating one-way valve is cut off, and the refrigerant gas flows into the outdoor heat exchange assembly after passing through the refrigerating throttle pipe;
in the heating process of the air conditioner, the refrigeration one-way valve is conducted, and the refrigerant gas flowing out of the outdoor heat exchange assembly flows out of the refrigeration one-way valve.
4. The outdoor unit of claim 1, wherein the outdoor unit comprises,
and heating throttle pipes are arranged at the heating inlets of the outdoor heat exchange assemblies of each group, and the plurality of heating throttle pipes are used for carrying out flow allocation on refrigerant liquid which is shunted into the outdoor heat exchange assemblies of each group in the heating process so as to adjust the refrigerant temperature of the refrigerant gas at the heating outlets of the outdoor heat exchange assemblies of each group, so that the temperature of the refrigerant gas at the heating outlets of the outdoor heat exchange assemblies of each group is consistent.
5. The outdoor unit of claim 4, wherein the outdoor unit comprises,
each heating throttle pipe is connected with a heating one-way valve in parallel;
in the refrigerating process of the air conditioner, the heating one-way valve is conducted, and the refrigerant liquid flowing out of the outdoor heat exchange assembly passes through the heating one-way valve and flows out;
in the heating process of the air conditioner, the heating one-way valve is cut off, and the refrigerant liquid flows into the outdoor heat exchange assembly for heat exchange after passing through the heating throttle pipe.
6. The outdoor unit of claim 1, wherein the outdoor unit comprises,
and the two ends of each group of outdoor heat exchange assemblies are respectively provided with a throttle pipe, each throttle pipe is connected with a one-way valve in parallel, and the directions of the one-way valves at the two ends of each group of outdoor heat exchange assemblies are opposite.
7. The outdoor unit of claim 6, wherein the outdoor unit comprises,
in the refrigerating and/or heating process of the air conditioner, the check valve arranged at the inlet of the outdoor heat exchange component is cut off, the check valve arranged at the outlet of the outdoor heat exchange component is communicated, and after refrigerant passes through the refrigeration throttle pipe arranged at the inlet of the outdoor heat exchange component, the refrigerant flows into the outdoor heat exchange component to exchange heat, and then is discharged from the check valve arranged at the outlet of the outdoor heat exchange component.
8. The outdoor unit of any one of claims 1 to 7, wherein,
at least two of the throttle pipes have different pipe inner diameters and/or lengths so as to ensure that the refrigerant flow at the inlets of at least two of the outdoor heat exchange assemblies is different, and further ensure that the temperatures of the refrigerants at the outlets of all groups of the outdoor heat exchange assemblies are consistent.
9. An air conditioner characterized in that the outdoor unit of any one of claims 1 to 8 is provided.
10. The air conditioner as set forth in claim 9, further comprising: the device comprises a compressor, an indoor heat exchanger, a refrigeration throttle valve and a four-way valve; wherein,
the compressor, the indoor heat exchanger, the four-way valve and the outdoor heat exchange component are circularly communicated through pipelines, and the refrigeration throttle valve is arranged on a communicating pipeline between the indoor heat exchanger and the outdoor heat exchange component;
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 four-way valve, 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 exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322245254.7U CN220707546U (en) | 2023-08-21 | 2023-08-21 | Outdoor unit with high energy efficiency ratio and air conditioner with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322245254.7U CN220707546U (en) | 2023-08-21 | 2023-08-21 | Outdoor unit with high energy efficiency ratio and air conditioner with same |
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| Publication Number | Publication Date |
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| CN220707546U true CN220707546U (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322245254.7U Active CN220707546U (en) | 2023-08-21 | 2023-08-21 | Outdoor unit with high energy efficiency ratio and air conditioner with same |
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| Country | Link |
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| CN (1) | CN220707546U (en) |
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2023
- 2023-08-21 CN CN202322245254.7U patent/CN220707546U/en active Active
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