CN207963223U - A kind of heat pump air conditioning system - Google Patents

A kind of heat pump air conditioning system Download PDF

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Publication number
CN207963223U
CN207963223U CN201820132009.1U CN201820132009U CN207963223U CN 207963223 U CN207963223 U CN 207963223U CN 201820132009 U CN201820132009 U CN 201820132009U CN 207963223 U CN207963223 U CN 207963223U
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heat
accumulation
pipeline
module
heat exchanger
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CN201820132009.1U
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Inventor
董明珠
谭建明
夏光辉
梁博
王现林
赖孝成
吴俊鸿
彭光前
高旭
陈志伟
于博
车雯
李啸宇
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model provides a kind of heat pump air conditioning system, and heat pump air conditioning system includes:Compressor (1);Interior machine heat exchanger (2), outer machine heat exchanger (3) and throttling set (4);The compressor (1), the interior machine heat exchanger (2), the outer machine heat exchanger (3) and the throttling set (4) are connected in series with by refrigerant circulation circuit;Accumulation of heat module (5), it is arranged in the refrigerant circulation circuit, to absorb heat from the refrigerant in refrigerant circulation circuit to save heat when needing accumulation of heat, the refrigerant in the refrigerant circulation circuit is heated by the accumulation of heat module when needing external machine heat exchanger defrost.By the utility model can thermic load is low indoors when the extra heat of accumulation systems be used for defrost, heat is released to carry out defrost, remain to continue to indoor heating at this time by accumulation of heat module during defrosting, ensure that room temperature remains unchanged, improves room comfort.

Description

A kind of heat pump air conditioning system
Technical field
The utility model belongs to air-conditioning technical field, and in particular to a kind of heat pump air conditioning system.
Background technology
Existing heat pump air conditioner Defrost mode is mainly refrigeration cycle defrosting and hot gas defrosting two ways.Wherein refrigeration cycle Defrosting is that system is defrosted by heating cyclic switching to refrigeration cycle by four-way reversing valve, and hot gas defrosting is in the case where heating recycles Increasing expansion valve flow makes high temperature refrigerant enter condenser defrosting.Interior can not be supplied during two ways defrosting Heat can cause room temperature to decline, and influence the comfort in room.Especially refrigeration cycle Defrost mode is exchanged heat in room when defrosting Device makees evaporator, understands heat in absorption chamber.
Indoor carry out heat supply can not be caused under room temperature during being defrosted due to heat pump air conditioner in the prior art Drop, influences the technical problems such as room comfort, therefore the utility model research and design goes out a kind of heat pump air conditioning system.
Utility model content
Therefore, during the technical problem to be solved by the present invention is to overcome heat pump air conditioner in the prior art to defrost Indoor carry out heat supply can not be caused room temperature to decline, influence the defect of room comfort, to provide a kind of heat pump air conditioner System.
The utility model provides a kind of heat pump air conditioning system comprising:
Compressor;
Interior machine heat exchanger, outer machine heat exchanger and throttling set;
Refrigerant circulation circuit, by the compressor, the interior machine heat exchanger, the outer machine heat exchanger and the throttling set It is connected in series with;
Accumulation of heat module, be arranged in the refrigerant circulation circuit, with when needing accumulation of heat from cold in refrigerant circulation circuit Matchmaker is absorbed heat to save heat, when needing external machine heat exchanger defrost by the accumulation of heat module in the refrigerant circulation circuit Refrigerant heated.
Preferably,
Pipeline between the outer machine heat exchanger and the throttling set is the first pipeline, and accumulation of heat module connection is set It sets on the first pipeline between the outer machine heat exchanger and the throttling set;
Alternatively, the pipeline between the outer machine heat exchanger and the compressor air suction mouth is the first pipeline, and the accumulation of heat Module connection is arranged on first pipeline.
Preferably,
The both ends of the accumulation of heat module are provided with the first parallel pipeline, one end connection of first parallel pipeline in parallel The other end on to first pipeline positioned at the position of accumulation of heat module one end, first parallel pipeline is connected to described It is located at the position of the accumulation of heat module other end on first pipeline, and further includes that can control the accumulation of heat module and described first In parallel pipeline one of connection, another closing the first control valve.
Preferably,
First control valve is the first triple valve, is set to what first parallel pipeline connected with first pipeline Position.
Preferably,
Further include four-way valve, the four-way valve includes the first connecting pin, second connection end, third connecting pin and the 4th connection End, and first connecting pin is connected with the interior machine heat exchanger, the second connection end and the exhaust outlet of the compressor connect It connects, the third connecting pin is connected with the outer machine heat exchanger, and the 4th connecting pin is connected with the air entry of the compressor.
Preferably,
Connecting line between the second connection end of the four-way valve and the exhaust outlet of the compressor is the second pipeline, and The accumulation of heat module is also arranged on second pipeline, simultaneously so that second pipeline runs through the accumulation of heat module.
Preferably,
The both ends of the accumulation of heat module are provided with the second parallel pipeline, one end connection of second parallel pipeline in parallel The other end on to second pipeline positioned at the position of accumulation of heat module one end, second parallel pipeline is connected to described It is located at the position of the accumulation of heat module other end on second pipeline, and further includes that can control the accumulation of heat module and described second In parallel pipeline one of connection, another closing the second control valve.
Preferably,
Second control valve is the second triple valve, is set to the position of second parallel pipeline and second pipeline It sets.
Preferably,
The interior machine heat exchanger further includes interior machine wind turbine.
A kind of heat pump air conditioning system provided by the utility model has the advantages that:
1. the heat pump air conditioning system of the utility model is disposed at the refrigerant circulation and returns by the way that accumulation of heat module is arranged Lu Zhong is needing external machine heat exchanger to absorb heat from the refrigerant in refrigerant circulation circuit to save heat when needing accumulation of heat The refrigerant in the refrigerant circulation circuit is heated by the accumulation of heat module when white, can indoors thermic load it is low When the extra heat of accumulation systems be used for defrost, during defrosting by accumulation of heat module release heat with carry out defrost, It remains to continue at this time, to indoor heating, to ensure that room temperature remains unchanged, improves room comfort, while thermic load is high indoors When can preferentially ensure heat demand, four-way reversing valve is without commutation;
2. the heat pump air conditioning system of the utility model, the exhaust by the way that accumulation of heat module, compressor is arranged can be by the second control Valve processed controls whether to flow through accumulation of heat module, and when indoor heat load is less than system heat capacity, the exhaust of compressor flows through Accumulation of heat module, accumulation of heat module be more than by absorbing the extra heat of compressor air-discharging heat accumulation systems, when indoor heat load or When equal to system heat capacity, the exhaust of compressor is not passed through accumulation of heat module, and compressor air-discharging flows directly into interior machine heat exchange Device selects whether control refrigerant flows through accumulation of heat module, big to play load according to magnitude of load to indoor heating, to realize When not accumulation of heat load hour accumulation of heat effect and effect;
3. the heat pump air conditioning system of the utility model, by the way that the first control is arranged between throttling set and outer machine heat exchanger Valve and the first parallel pipeline or the pipeline between the outer machine heat exchanger and the exhaust outlet of compressor are the first pipeline, The refrigerant flowed out from interior machine heat exchanger can control whether first to flow through accumulation of heat module, defrost by the first control valve after flowing through expansion valve Period, the refrigerant flowed out from interior machine heat exchanger are introduced into the heat absorption of accumulation of heat module after flowing through expansion valve, then flow into outer machine heat exchange again Device heat release defrosts, and during heating, outer machine heat exchanger heat absorption is flowed directly into after flowing through expansion valve from the refrigerant of interior machine heat exchanger outflow, To realize whether effectively control (is closed when conventional heating and refrigeration using heat progress defrost progress is absorbed from accumulation of heat module Close the accumulation of heat module).
Description of the drawings
Fig. 1 is the flowage structure schematic diagram of the heat pump air conditioning system of the utility model;
Flow diagram when Fig. 2 is the heat pump air conditioning system heating+accumulation of heat of the utility model;
Flow diagram when Fig. 3 is the heat pump air conditioning system heating of the utility model and not accumulation of heat;
Fig. 4 is the flow diagram (heating+defrost+accumulation of heat) of the heat pump air conditioning system defrost mode one of the utility model;
Fig. 5 is that (heating+defrost+does not store for the flow diagram of the heat pump air conditioning system defrost mode two of the utility model Heat);
Fig. 6 is the flow diagram (independent defrost+accumulation of heat) of the heat pump air conditioning system defrost mode three of the utility model;
Fig. 7 is the flow diagram (independent defrost+not accumulation of heat) of the heat pump air conditioning system defrost mode four of the utility model;
Fig. 8 is the flow diagram of the heat pump air conditioning system refrigeration of the utility model;
Fig. 9 is the flowage structure schematic diagram of the alternative of the heat pump air conditioning system of Fig. 1.
Reference numeral is expressed as in figure:
1, compressor;2, interior machine heat exchanger;3, outer machine heat exchanger;4, throttling set;5, accumulation of heat module;6, the first pipeline; 7, the first parallel pipeline;8, the first triple valve;9, four-way valve;10, the second pipeline;11, the second parallel pipeline;12, the second threeway Valve.
Specific implementation mode
As shown in figures 1-8, the utility model provides a kind of heat pump air conditioning system comprising:
Compressor 1;
Interior machine heat exchanger 2, outer machine heat exchanger 3 and throttling set 4;
Refrigerant circulation circuit, by the compressor 1, the interior machine heat exchanger 2, the outer machine heat exchanger 3 and the throttling Device 4 is connected in series with;
Accumulation of heat module 5, be arranged in the refrigerant circulation circuit, with when needing accumulation of heat from cold in refrigerant circulation circuit Matchmaker is absorbed heat to save heat, when needing external machine heat exchanger defrost by the accumulation of heat module in the refrigerant circulation circuit Refrigerant heated.
By the way that accumulation of heat module is arranged, it is disposed in the refrigerant circulation circuit, to be followed from refrigerant when needing accumulation of heat Refrigerant in loop back path absorbs heat to save heat, when needing external machine heat exchanger defrost by the accumulation of heat module to described cold Refrigerant in matchmaker's circulation loop heats, and the extra heat of accumulation systems can be used for when thermic load is low indoors Defrost releases heat to carry out defrost, remain to continue to indoor heating, guarantee room at this time during defrosting by accumulation of heat module Between temperature remain unchanged, improve room comfort, while thermic load is high indoors when can preferentially ensure heat demand, four Logical reversal valve is without commutation.
Preferably,
Pipeline between the outer machine heat exchanger 3 and the throttling set 4 is the first pipeline 6, and the accumulation of heat module 5 connects It connects on the first pipeline 6 being arranged between the outer machine heat exchanger 3 and the throttling set 4;
Alternatively, the pipeline between 1 air entry of the outer machine heat exchanger 3 and the compressor is the first pipeline 6, and the storage The connection of thermal modules 5 is arranged on first pipeline 6.
By the way that the first pipeline is arranged between throttling set and outer machine heat exchanger or in the outer machine heat exchanger and described It is set as the first pipeline between compressor air suction mouth, enables to the refrigerant of low-pressure end that can flow through accumulation of heat module, to be change Frost provides heat so that will not be cooled down as far as possible in room when defrost.
Preferably,
The both ends of the accumulation of heat module 5 are provided with the first parallel pipeline 7, one end of first parallel pipeline 7 in parallel It is connected to the position on first pipeline 6 positioned at described 5 one end of accumulation of heat module, the other end of first parallel pipeline 7 connects It is connected to the position for being located at 5 other end of accumulation of heat module on first pipeline 6, and further includes that can control the accumulation of heat module 5 in first parallel pipeline 7 one of be connected to, the first control valve of another closing.
By the way that the first control valve and the first parallel pipeline are arranged between throttling set and outer machine heat exchanger or described Pipeline between outer machine heat exchanger and the exhaust outlet of compressor is the first pipeline, and the refrigerant flowed out from interior machine heat exchanger flows through swollen It can control whether first to flow through accumulation of heat module by the first control valve after swollen valve, during defrost, from the refrigerant of interior machine heat exchanger outflow It is introduced into the heat absorption of accumulation of heat module after flowing through expansion valve, outer machine heat exchanger heat release defrosting is then flowed into again, during heating, is changed from interior machine The refrigerant of hot device outflow flows directly into outer machine heat exchanger heat absorption after flowing through expansion valve, to realize whether utilize from accumulation of heat module It absorbs heat and carries out defrost progress effectively control (closing the accumulation of heat module when conventional heating and refrigeration).
Preferably,
First control valve is the first triple valve 8, is set to first parallel pipeline 7 and 6 phase of the first pipeline The position connect.This is the specific constructive form of first control valve of the utility model, as shown in figures 1-8, passes through control the one or three Port valve, which can control low-pressure end refrigerant and flow through accumulation of heat module, is absorbed heat or is not passed through accumulation of heat module.
Preferably,
Further include four-way valve 9, the four-way valve 9 includes the first connecting pin, second connection end, third connecting pin and the 4th company End is connect, and first connecting pin is connected with the interior machine heat exchanger 2, the exhaust of the second connection end and the compressor 1 Mouth connection, the third connecting pin are connected with the outer machine heat exchanger 3, the air-breathing of the 4th connecting pin and the compressor 1 Mouth is connected.It can carry out effectively regulating and controlling to cut between the refrigeration and heating mode of heat pump air conditioning system by the way that four-way valve is arranged It changes, realizes cooling and warming double mode.
Preferably,
Connecting line between the second connection end of the four-way valve 9 and the exhaust outlet of the compressor 1 is the second pipeline 10, and the accumulation of heat module 5 is gone back while being arranged on second pipeline 10, so that second pipeline 10 runs through the accumulation of heat Module 5.Run through accumulation of heat mould by also setting up the second pipeline and the second pipeline between above-mentioned four-way valve and exhaust outlet of compressor Block can carry out exothermic effects, to reach pair by second pipeline portions through accumulation of heat module to accumulation of heat module The effect of its accumulation of heat, to provide the energy of savings for defrost heat supply.
Preferably,
The both ends of the accumulation of heat module 5 are provided with the second parallel pipeline 11 in parallel, and the one of second parallel pipeline 11 End is connected to the another of the position, second parallel pipeline 11 for being located at described 5 one end of accumulation of heat module on second pipeline 10 End is connected to the position for being located at 5 other end of accumulation of heat module on second pipeline 10, and further includes that can control the storage Thermal modules 5 in second parallel pipeline 11 one of be connected to, the second control valve of another closing.
It can control whether to flow through accumulation of heat module by the second control valve by the exhaust of setting accumulation of heat module, compressor, when When indoor heat load is less than system heat capacity, the exhaust of compressor flows through accumulation of heat module, and accumulation of heat module is pressed by absorbing The extra heat of contracting machine exhaust gas heat accumulation systems, when indoor heat load is more than or is equal to system heat capacity, compression The exhaust of machine is not passed through accumulation of heat module, and compressor air-discharging flows directly into interior machine heat exchanger to indoor heating, to realize according to load Lotus size and select control refrigerant whether flow through accumulation of heat module, with play the role of load it is big when not accumulation of heat load hour accumulation of heat and Effect.
Preferably,
Second control valve is the second triple valve 12, is set to second parallel pipeline 11 and second pipeline 10 Position.This is the specific constructive form of second control valve of the utility model, as shown in figures 1-8, by controlling the second threeway It is to flow through accumulation of heat module to carry out heat release or be not passed through accumulation of heat module that valve, which can control high-pressure side refrigerant,.
Preferably,
The interior machine heat exchanger 2 further includes interior machine wind turbine.It can be turned on by interior machine wind turbine so that refrigerant is in room Heat exchange effect is inside carried out, when such case is suitable for heating interior while also external machine heat exchanger carries out defrosting effect, The heat of defrosting is mainly derived from the heat release of the accumulation of heat module on the first pipeline to the effect of refrigerant;Interior machine wind turbine is closed Be suitable for outdoor defrost (by switch four-way valve) and meanwhile interior machine heat exchanger do not exchange heat, to reduce indoor temperature change generated in case, change White origin of heat is in the accumulation of heat module on the first pipeline.
The heat pump air conditioning system of the utility model include compressor, four-way reversing valve, outer machine heat exchanger, interior machine heat exchanger, The components such as expansion valve (throttling set), the first triple valve, the second triple valve and accumulation of heat module.
Accumulation of heat module includes two heat exchanging pipes.Wherein a heat exchanging pipe (the second pipeline 10) passes through the second triple valve 12 Control is communicated with exhaust outlet of compressor, and the another port of pipeline is communicated with four-way reversing valve, the heat exchanging pipe and the second threeway Another pipeline (the second parallel pipeline 11) that valve 12 controls is in parallel;Another heat exchanging pipe by the first triple valve 8 control with Expansion valve communicates, and the another port of pipeline is communicated with outer machine heat exchanger, which controls another with the first triple valve 8 Pipeline (the first parallel pipeline 7) is in parallel.It can control whether refrigerant flows by controlling the first triple valve 8 and the second triple valve 12 Two heat exchanging pipes through accumulation of heat module.
During heating when the accumulation of heat of accumulation of heat module, refrigerant circulation in the heat exchanging pipe of the second triple valve 12 control, control Heat exchanging pipe parallel branch (the second parallel pipeline 11) does not circulate, parallel branch (the first parallel pipeline of the first triple valve 8 control 7) refrigerant circulates in, and the heat exchanging pipe of control does not circulate.
It is cold in the heat exchanging pipe of the first triple valve 8 and the control of the second triple valve 12 during heating when the not accumulation of heat of accumulation of heat module Matchmaker does not circulate, the parallel branch circulation that refrigerant is controlled from them.
During defrosting, the interior refrigerant circulation of heat exchanging pipe (the first pipeline 6) of the first triple valve 8 control, parallel branch (first Parallel pipeline 7) interior refrigerant do not circulate, and heat exchanging pipe (the second pipeline 10) interior refrigerant of the second triple valve 12 control is negotiable, It can not circulate.Interior can continue heat supply during defrosting when four-way reversing valve does not commutate, when four-way reversing valve commutates during defrosting Interior cannot heat supply, but flow through accumulation of heat module since refrigerant flows into before interior machine heat exchanger and absorb heat, so from indoor suction The heat of receipts is reduced, and indoor thermal comfort defrosts also superior to general refrigerating cycle.
During refrigeration, the first triple valve 8 and the second triple valve 12 control heat exchanging pipe in refrigerant do not circulate, refrigerant from The parallel branch circulation that they control.
The only a kind of most basic embodiment referred in the above embodiment, should not become the limit to the utility model System.Fig. 9 is another embodiment, is that the accumulation of heat module of the first triple valve 8 control is changed with the difference of the above embodiment Pipe line is communicated with compressor air suction mouth.
The utility model also provides a kind of control method of air-conditioning system, uses preceding any one of them heat pump air conditioner system System, is freezed, is heated, being heated and the switching control of the pattern of accumulation of heat, refrigeration and accumulation of heat, independent defrost, heating and defrost.
By the way that accumulation of heat module is arranged, it is disposed in the refrigerant circulation circuit, to be followed from refrigerant when needing accumulation of heat Refrigerant in loop back path absorbs heat to save heat, when needing external machine heat exchanger defrost by the accumulation of heat module to described cold Refrigerant in matchmaker's circulation loop heats, and the extra heat of accumulation systems can be used for when thermic load is low indoors Defrost releases heat to carry out defrost, remain to continue to indoor heating, guarantee room at this time during defrosting by accumulation of heat module Between temperature remain unchanged, improve room comfort, while thermic load is high indoors when can preferentially ensure heat demand, four Logical reversal valve is without commutation;To realize to the refrigeration of air-conditioning system, heating, heating and accumulation of heat, refrigeration and accumulation of heat, independentization White, heating and defrost isotype switching control.
Preferably,
When being freezed, the suction that the four-way valve 9 adjusts the interior machine heat exchanger 2 and the compressor 1 is controlled Gas port is connected to, and controls the connection of the first parallel pipeline 7 and 11 unicom of the second parallel pipeline;This kind of pure refrigeration mode Accumulation of heat or defrost need not be carried out using accumulation of heat module, therefore the first and second parallel pipelines are connected to be formed to accumulation of heat module Short circuit effect;
When being heated, the row that the four-way valve 9 adjusts the interior machine heat exchanger 2 and the compressor 1 is controlled Gas port is connected to, and controls the connection of the first parallel pipeline 7 and 11 unicom of the second parallel pipeline;This kind of pure heating mode Accumulation of heat or defrost need not be carried out using accumulation of heat module, therefore the first and second parallel pipelines are connected to be formed to accumulation of heat module Short circuit effect;
When carrying out refrigeration and accumulation of heat, controls the four-way valve 9 and adjust the interior machine heat exchanger 2 and the compressor 1 air entry connection, and control the connection of the first parallel pipeline 7 and second parallel pipeline 11 closing;This kind freeze and Accumulation of heat pattern needs to carry out accumulation of heat or defrost using accumulation of heat module, therefore the second parallel pipeline is closed, is located on the second pipeline Accumulation of heat module connect to carry out the effect of heat absorption and heat storage, and do not need defrost at this time connecting the first parallel pipeline with to the Accumulation of heat module on one pipeline forms short-circuit effect;
When carrying out heating and accumulation of heat, controls the four-way valve 9 and adjust the interior machine heat exchanger 2 and the compressor 1 exhaust outlet connection, and control the connection of the first parallel pipeline 7 and second parallel pipeline 11 closing;This kind heat and Accumulation of heat pattern and refrigeration and accumulation of heat pattern are essentially identical, only need to switch the direction of four-way valve once, need to utilize accumulation of heat Module carries out accumulation of heat or defrost, therefore the closing of the second parallel pipeline, the accumulation of heat module on the second pipeline are connected to carry out The effect of heat absorption and heat storage, and defrost is not needed at this time connecting the first parallel pipeline with to the accumulation of heat module shape on the first pipeline It is acted at short circuit;
When needing to carry out independent defrost, controls the four-way valve 9 and adjust the interior machine heat exchanger 2 and the compressor 1 Air entry connection, and control that first parallel pipeline 7 is closed and second parallel pipeline 11 closes or opens;Here Indoor heat exchanger is without heating when defrost when the meaning of independent defrost, it also requires ensure that indoor temperature does not reduce as far as possible, It controls first parallel pipeline 7 to close to open the accumulation of heat module on the first pipeline, to utilize the accumulation of heat module to refrigerant It carries out heat release, heat is provided, to achieve the purpose that external machine heat exchanger defrosts, and the at the same time accumulation of heat on the second pipeline Module can be operated to carry out accumulation of heat, can not also operate with without accumulation of heat;
When carrying out heating and defrost, controls the four-way valve 9 and adjust the interior machine heat exchanger 2 and the compressor 1 exhaust outlet connection, and control first parallel pipeline 7 is closed and second parallel pipeline 11 closes or opens.At this time Indoor heat exchanger carries out heating effect when defrost, controls first parallel pipeline 7 and closes to open the accumulation of heat on the first pipeline Module, to carry out heat release to refrigerant using the accumulation of heat module, provide heat, to reach the mesh of external machine heat exchanger defrosting , and at the same time the accumulation of heat module on the second pipeline can be operated to carry out accumulation of heat, can not also operate with without accumulation of heat, Defrosting will not be had an impact.
Preferably,
When carrying out independent defrost, control indoor fan is closed;When carrying out heating and defrost, control indoor fan is beaten It opens.In independent defrost, interior machine heat exchanger is located at low pressure evaporation ends, and refrigerant is easy to exchange heat from interior machine when flowing through interior machine heat exchanger Draw heat in device and cause indoor temperature to reduce, the generation of such case in order to prevent, the utility model is at this time in control room Wind turbine is closed, so that interior machine heat exchanger does not exchange heat or heat exchange efficiency is very low, to effectively ensure indoor temperature, is improved and is relaxed Appropriateness.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art For those of ordinary skill, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, These improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (9)

1. a kind of heat pump air conditioning system, it is characterised in that:Including:
Compressor (1);
Interior machine heat exchanger (2), outer machine heat exchanger (3) and throttling set (4);
Refrigerant circulation circuit, by the compressor (1), the interior machine heat exchanger (2), the outer machine heat exchanger (3) and the section Stream device (4) is connected in series with;
Accumulation of heat module (5), be arranged in the refrigerant circulation circuit, with when needing accumulation of heat from the refrigerant in refrigerant circulation circuit Heat absorption is to save heat, when needing external machine heat exchanger defrost by the accumulation of heat module in the refrigerant circulation circuit Refrigerant is heated.
2. heat pump air conditioning system according to claim 1, it is characterised in that:
Pipeline between the outer machine heat exchanger (3) and the throttling set (4) is the first pipeline (6), and the accumulation of heat module (5) on the first pipeline (6) that connection is arranged between the outer machine heat exchanger (3) and the throttling set (4);
Alternatively, the pipeline between the outer machine heat exchanger (3) and the compressor (1) air entry is the first pipeline (6), and it is described Accumulation of heat module (5) connection is arranged on first pipeline (6).
3. heat pump air conditioning system according to claim 2, it is characterised in that:
The both ends of the accumulation of heat module (5) are provided with the first parallel pipeline (7) in parallel, and the one of first parallel pipeline (7) End is connected to the position, first parallel pipeline (7) for being located at described accumulation of heat module (5) one end on first pipeline (6) The other end is connected to the position for being located at accumulation of heat module (5) other end on first pipeline (6), and further includes that can control The accumulation of heat module (5) in first parallel pipeline (7) one of be connected to, the first control valve of another closing.
4. heat pump air conditioning system according to claim 3, it is characterised in that:
First control valve is the first triple valve (8), is set to first parallel pipeline (7) and first pipeline (6) The position to connect.
5. according to the heat pump air conditioning system described in any one of claim 1-4, it is characterised in that:
Further include four-way valve (9), the four-way valve (9) includes the first connecting pin, second connection end, third connecting pin and the 4th company End is connect, and first connecting pin is connected with the interior machine heat exchanger (2), the second connection end and the compressor (1) Exhaust outlet connects, and the third connecting pin is connected with the outer machine heat exchanger (3), the 4th connecting pin and the compressor (1) air entry is connected.
6. heat pump air conditioning system according to claim 5, it is characterised in that:
Connecting line between the second connection end and the exhaust outlet of the compressor (1) of the four-way valve (9) is the second pipeline (10), and the accumulation of heat module (5) is gone back while being arranged on second pipeline (10), so that second pipeline (10) is run through The accumulation of heat module (5).
7. heat pump air conditioning system according to claim 6, it is characterised in that:
The both ends of the accumulation of heat module (5) are provided with the second parallel pipeline (11) in parallel, second parallel pipeline (11) One end, which is connected on second pipeline (10), is located at the position of described accumulation of heat module (5) one end, second parallel pipeline (11) the other end is connected to the position for being located at accumulation of heat module (5) other end on second pipeline (10), and further includes Can control the accumulation of heat module (5) in second parallel pipeline (11) one of be connected to, another closing second control Valve.
8. heat pump air conditioning system according to claim 7, it is characterised in that:
Second control valve is the second triple valve (12), is set to second parallel pipeline (11) and second pipeline (10) position.
9. heat pump air conditioning system according to claim 1, it is characterised in that:
The interior machine heat exchanger (2) further includes interior machine wind turbine.
CN201820132009.1U 2018-01-25 2018-01-25 A kind of heat pump air conditioning system Active CN207963223U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108224840A (en) * 2018-01-25 2018-06-29 珠海格力电器股份有限公司 A kind of heat pump air conditioning system and control method
CN114017962A (en) * 2021-12-17 2022-02-08 孚莱美科(江苏)环境科技有限公司 Heat storage defrosting system of air source heat pump
CN114484932A (en) * 2022-02-10 2022-05-13 珠海格力电器股份有限公司 Heat pump system, control method and air conditioner

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108224840A (en) * 2018-01-25 2018-06-29 珠海格力电器股份有限公司 A kind of heat pump air conditioning system and control method
CN108224840B (en) * 2018-01-25 2023-08-15 珠海格力电器股份有限公司 Heat pump air conditioning system and control method
CN114017962A (en) * 2021-12-17 2022-02-08 孚莱美科(江苏)环境科技有限公司 Heat storage defrosting system of air source heat pump
CN114484932A (en) * 2022-02-10 2022-05-13 珠海格力电器股份有限公司 Heat pump system, control method and air conditioner
CN114484932B (en) * 2022-02-10 2023-01-06 珠海格力电器股份有限公司 Heat pump system, control method and air conditioner

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