CN207214503U - Air-conditioner system and there is its air conditioner - Google Patents

Air-conditioner system and there is its air conditioner Download PDF

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Publication number
CN207214503U
CN207214503U CN201720987329.0U CN201720987329U CN207214503U CN 207214503 U CN207214503 U CN 207214503U CN 201720987329 U CN201720987329 U CN 201720987329U CN 207214503 U CN207214503 U CN 207214503U
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China
Prior art keywords
air
heat exchanger
pipeline
conditioner system
control valve
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CN201720987329.0U
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Chinese (zh)
Inventor
彭光前
于博
陈英强
车雯
吴俊鸿
罗永前
廖敏
连彩云
田雅颂
熊军
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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 air-conditioner system and has its air conditioner.Air-conditioner system includes indoor heat exchanger, four-way valve, compressor, the outdoor heat exchanger being connected, and air-conditioner system also includes:Heat exchanging part, heat exchanging part is arranged on the pipeline between connection outdoor heat exchanger and indoor heat exchanger, and/or, heat exchanging part is arranged on the pipeline between connection outdoor heat exchanger and four-way valve, when being defrosted to outdoor heat exchanger, refrigerant flows through indoor heat exchanger, outdoor heat exchanger through four-way valve successively, is then back to through four-way valve in compressor.Using the technical scheme, four-way valve will not commutate in defrosting mode, enable air conditioner continue to indoor carry out heat supply, the refrigerant in pipeline is heated using heat exchanging part simultaneously, ensure that air-conditioner system has enough energy to be exchanged heat, it is therefore prevented that compressor because heat exchange energy deficiency and caused by liquid hammer situation.The technical scheme effectively improves the dependable with function of the air-conditioner system.

Description

Air-conditioner system and there is its air conditioner
Technical field
Air conditioner technical field is the utility model is related to, in particular to a kind of air-conditioner system and there is its Air conditioner.
Background technology
In the prior art, heat pump air conditioner Defrost mode is mainly kind of refrigeration cycle defrosting and hot gas defrosting two ways.Wherein, Kind of refrigeration cycle defrosting is that system is defrosted by heating cyclic switching to kind of refrigeration cycle by four-way valve, and hot gas defrosting is followed in heating Increasing expansion valve flow under ring makes high temperature refrigerant be defrosted into condenser.Can not be to indoor progress during two ways defrosting Heat supply, room temperature can be caused to decline, influence the comfortableness in room.Especially kind of refrigeration cycle Defrost mode, changed in room during defrosting Hot device makees evaporator, can heat in absorption chamber, the process of four-way Vavle switching also holding time, cause room temperature to decline more. Though in the absence of the risk from indoor heat absorption when hot gas defrost mode defrosts, expansion valve still suffers from Choking phenomenon after opening greatly, exports Refrigerant temperature can substantially reduce, defrosting effect is undesirable, while cold medium flux is big, lacks evaporation side, exist compressor band liquid The risk of operation.
Utility model content
Main purpose of the present utility model is to provide a kind of air-conditioner system and has its air conditioner, existing to solve Air conditioner is indoor temperature during defrosting can decline the problem of in technology.
To achieve these goals, according to one side of the present utility model, there is provided a kind of air-conditioner system, including phase Indoor heat exchanger, four-way valve, compressor, the outdoor heat exchanger of connection, air-conditioner system also include:Heat exchanging part, heat exchanging part are set On pipeline between connection outdoor heat exchanger and indoor heat exchanger, and/or, heat exchanging part is arranged at connection outdoor heat exchanger and four On pipeline between port valve, when being defrosted to outdoor heat exchanger, refrigerant flows through indoor heat exchanger, outdoor through four-way valve successively Heat exchanger, then it is back to through four-way valve in compressor, wherein, heat exchanging part convection current refrigerant interior by the road is heated.
Further, air-conditioner system also includes:First control valve, the first control valve be arranged at connection outdoor heat exchanger with On pipeline between indoor heat exchanger, the heat exchanging part of part is arranged at the pipeline between connection outdoor heat exchanger and the first control valve On, the heat exchanging part of another part is arranged on the pipeline between connection outdoor heat exchanger and four-way valve.
Further, the first import of heat exchanging part is connected with the outlet of the first control valve, the first outlet of heat exchanging part with The import of outdoor heat exchanger is connected, and the outlet of outdoor heat exchanger is connected with the second import of heat exchanging part, and the second of heat exchanging part Outlet is selectively connected by four-way valve with the air entry of compressor or the exhaust outlet of compressor.
Further, air-conditioner system also includes:Second control valve, the second control valve be arranged at connection outdoor heat exchanger with On pipeline between heat exchanging part.
Further, the first control valve is expansion valve, and/or the second control valve is two-port valve.
Further, air-conditioner system also includes:First bypass line, the first end of the first bypass line are connected to outdoor On pipeline between the import of heat exchanger and the first outlet of heat exchanging part, the second end of the first bypass line is connected to heat exchanging part On pipeline between first import and the outlet of the first control valve.
Further, air-conditioner system also includes:Second bypass line, the first end of the second bypass line are connected to outdoor On pipeline between the outlet of heat exchanger and the second import of heat exchanging part, the second end of the second bypass line is connected to heat exchanging part On pipeline between second outlet and four-way valve.
Further, air-conditioner system also includes:3rd control valve, the 3rd control valve are arranged on the first bypass line, The import of 3rd control valve is connected with the import of outdoor heat exchanger, the outlet of the 3rd control valve and the outlet phase of the first control valve Connection.
Further, air-conditioner system also includes:4th control valve, the 4th control valve are arranged on the second bypass line, The import of 4th control valve is selectively connected with the exhaust outlet of compressor.
Further, air-conditioner system also includes:5th control valve, the 5th control valve are arranged at the first of connection heat exchanging part On pipeline between import and the outlet of indoor heat exchanger, the import of the 5th control valve is connected with the outlet of indoor heat exchanger, The outlet of 5th control valve is connected with the first import of heat exchanging part.
Further, air-conditioner system also includes:6th control valve, the 6th control valve are arranged at the second of connection heat exchanging part On pipeline between outlet and four-way valve, the import of the 6th control valve is connected with the second outlet of heat exchanging part, the 6th control valve Outlet be selectively connected by four-way valve with air entry or exhaust outlet.
Further, heat exchanging part includes:Exchanged heat body, and separate the first pipeline and second is provided with the body that exchanges heat Pipeline, the import of the first pipeline are connected with the outlet of the first control valve, the outlet of the first pipeline and the import of outdoor heat exchanger It is connected, the import of the second pipeline is connected with the outlet of outdoor heat exchanger, and the outlet of the second pipeline may be selected by four-way valve Ground is connected with the air entry of compressor or the exhaust outlet of compressor.
Further, heat exchanging part also includes:Auxiliary heater, auxiliary heater are connected with heat exchange body, auxiliary heating Device is used to heat to by the refrigerant in the first pipeline and/or the second pipeline.
Further, heat exchanging part also includes:Storage heater, the storage heater of part are disposed adjacent with compressor to collect compressor Heat on housing, storage heater are used to heat to by the refrigerant in the first pipeline and/or the second pipeline.
According to another aspect of the present utility model, there is provided a kind of air conditioner, including air-conditioner system, air-conditioner system are Above-mentioned air-conditioner system.
Using the technical solution of the utility model, by setting heat exchanging part so that air-conditioner system is to outdoor heat exchanger When being defrosted, use heat exchanging part to heat the refrigerant in pipeline to improve the heat of refrigerant so that air-conditioner system from When heating mode switches to defrosting mode, the four-way valve in air-conditioner system can be achieved with carrying out outdoor heat exchanger without commutation Defrosting operation, avoid in the prior art air-conditioner system from heating mode switch to defrosting mode when four-way valve need commutation to lead The problem of causing indoor temperature to reduce.Using the technical scheme, because four-way valve will not commutate in defrosting mode so that empty Adjust device can continue to indoor carry out heat supply so that indoor temperature does not decline in defrost mode.Use and change simultaneously Hot portion is heated to the refrigerant in pipeline, ensure that air-conditioner system has enough energy to be exchanged heat, it is therefore prevented that compression Machine because heat exchange energy deficiency and caused by liquid hammer situation.The technical scheme be effectively improved the air-conditioner system reliability and Practicality.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment according to air-conditioner system of the present utility model;
Fig. 2 shows the schematic flow sheet of the embodiment of air-conditioner system in a heating mode in Fig. 1;
Fig. 3 shows the schematic flow sheet of embodiment of the air-conditioner system under defrost pattern in Fig. 1;
Fig. 4 shows the schematic flow sheet of the embodiment of air-conditioner system in cooling mode in Fig. 1;
Fig. 5 shows the structural representation of another embodiment according to air-conditioner system of the present utility model;
Fig. 6 shows the schematic flow sheet of the embodiment of air-conditioner system in a heating mode in Fig. 5;
Fig. 7 shows the schematic flow sheet of embodiment of the air-conditioner system under defrost pattern in Fig. 5;
Fig. 8 shows the schematic flow sheet of the embodiment of air-conditioner system in cooling mode in Fig. 5.
Wherein, above-mentioned accompanying drawing marks including the following drawings:
10th, indoor heat exchanger;20th, four-way valve;30th, compressor;40th, outdoor heat exchanger;50th, heat exchanging part;
61st, the first control valve;62nd, the second control valve;63rd, the 3rd control valve;64th, the 4th control valve;65th, the 5th control Valve;66th, the 6th control valve;
71st, the first bypass line;72nd, the second bypass line.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first ", " second " in the description and claims of this application and accompanying drawing etc. It is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that the art so used Language can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except illustrating herein Or the order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production The intrinsic other steps of product or equipment or unit.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and And respective explanations are made to the relative description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein Formula.It should be appreciated that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand The big thickness of layer and region, and make identical device is presented with like reference characters, thus they are retouched by omitting State.
With reference to shown in Fig. 1 to Fig. 8, according to embodiment of the present utility model, there is provided a kind of air-conditioner system.
Specifically, the indoor heat exchanger 10, four-way valve 20, compressor 30, outdoor that the air-conditioner system includes being connected change Hot device 40 and heat exchanging part 50.Heat exchanging part 50 is arranged on the pipeline between connection outdoor heat exchanger 40 and indoor heat exchanger 10, is changed Hot portion 50 is also disposed on connecting on the pipeline between outdoor heat exchanger 40 and four-way valve 20, is defrosted to outdoor heat exchanger 40 When, refrigerant flows through indoor heat exchanger 10, outdoor heat exchanger 40 successively through four-way valve 20, is then back to compressor through four-way valve 20 In 30, wherein, the convection current of heat exchanging part 50 refrigerant interior by the road is heated.
In the present embodiment, heat exchanging part 50 can also be positioned only at heat exchanging part 50 be arranged at connection outdoor heat exchanger 40 with On pipeline between indoor heat exchanger 10, or only by heat exchanging part 50 be also disposed on connecting outdoor heat exchanger 40 and four-way valve 20 it Between pipeline on.Any set-up mode is either taken, by setting heat exchanging part so that air-conditioner system is to outdoor heat exchange When device is defrosted, heat exchanging part is used to heat the refrigerant in pipeline to improve the heat of refrigerant so that air-conditioner system When switching to defrosting mode from heating mode, the four-way valve in air-conditioner system can be achieved with entering outdoor heat exchanger without commutation Row defrosting operation, avoid in the prior art air-conditioner system from heating mode switch to defrosting mode when four-way valve need to commutate The problem of causing indoor temperature to reduce.Using the technical scheme, because four-way valve will not commutate in defrosting mode so that Air conditioner can continue to indoor carry out heat supply so that indoor temperature does not decline in defrost mode.Use simultaneously Heat exchanging part heats to the refrigerant in pipeline, ensure that air-conditioner system has enough energy to be exchanged heat, it is therefore prevented that pressure Contracting machine because heat exchange energy deficiency and caused by liquid hammer situation.The technical scheme is effectively improved the reliability of the air-conditioner system And practicality.
Specifically, as shown in Figures 1 to 4, air-conditioner system also includes the first control valve 61.First control valve 61 is arranged at Connect on the pipeline between outdoor heat exchanger 40 and indoor heat exchanger 10, the heat exchanging part 50 of part is arranged at connection outdoor heat exchanger 40 and the first pipeline between control valve 61 on, the heat exchanging part 50 of another part is arranged at connection outdoor heat exchanger 40 and four-way valve On pipeline between 20.Wherein, it is indoor set part at A in Fig. 1 and Fig. 5, is outdoor machine part at B, the first control valve 61 can To be expansion valve, the flow that the refrigerant in pipe-line system can be adjusted by the aperture of variable expansion valve is so set, to carry The defrosting effect of the high air conditioner.
Wherein, the first import of heat exchanging part 50 is connected with the outlet of the first control valve 61, the first outlet of heat exchanging part 50 Import with outdoor heat exchanger 40 is connected, and the outlet of outdoor heat exchanger 40 is connected with the second import of heat exchanging part 50, heat exchange The second outlet in portion 50 is selectively connected by four-way valve 20 with the air entry of compressor 30 or the exhaust outlet of compressor 30. The practicality and reliability of air-conditioner system can be effectively improved by so setting.
In order to further improve the practicality of air-conditioner system and reliability, the second control is also provided with pipe-line system Valve 62 processed, specifically, the second control valve 62 are arranged on the pipeline between connection outdoor heat exchanger 40 and heat exchanging part 50.It is preferred that Ground, the second control valve 62 can be two-port valves, and partial node again can be carried out by two-port valve to the inflow-rate of water turbine in pipeline by so setting Stream debugging, further improve the defrosting effect of air-conditioner system.
As shown in Fig. 5 to Fig. 8, according to another embodiment of the application, air-conditioner system also includes the first bypass line 71 and second bypass line 72.The first end of first bypass line 71 is connected to import and the heat exchanging part 50 of outdoor heat exchanger 40 On pipeline between first outlet, the second end of the first bypass line 71 is connected to the first import and the first control of heat exchanging part 50 On pipeline between the outlet of valve 61.The first end of second bypass line 72 is connected to outlet and the heat exchanging part of outdoor heat exchanger 40 On pipeline between 50 the second import, the second end of the second bypass line 72 is connected to the second outlet and four-way of heat exchanging part 50 On pipeline between valve 20.So set again such that the air-conditioner system when being converted into defrosting mode from heating mode, four Port valve can just complete the effect of defrosting operation without commutation.
In order to further improve the defrosting performance of air-conditioner system in the present embodiment, also set up in the air-conditioner system 3rd control valve 63, the 4th control valve 64, the 5th control valve 65 and the 6th control valve 66.Specifically, the 3rd control valve 63 is set It is placed on the first bypass line 71, the import of the 3rd control valve 63 is connected with the import of outdoor heat exchanger 40, the 3rd control valve 63 outlet is connected with the outlet of the first control valve 61.4th control valve 64 is arranged on the second bypass line 72, the 4th control Exhaust outlet of the import of valve 64 processed selectively with compressor 30 is connected.5th control valve 65 is arranged at connection heat exchanging part 50 On pipeline between first import and the outlet of indoor heat exchanger 10, the 5th import of control valve 65 and going out for indoor heat exchanger 10 Mouth is connected, and the outlet of the 5th control valve 65 is connected with the first import of heat exchanging part 50.6th control valve 66 is arranged at connection On pipeline between the second outlet and four-way valve 20 of heat exchanging part 50, the import of the 6th control valve 66 goes out with the second of heat exchanging part 50 Mouth is connected, and the outlet of the 6th control valve 66 is selectively connected by four-way valve 20 with air entry or exhaust outlet.Preferably, 3rd control valve 63, the 4th control valve 64, the 5th control valve 65 and the 6th control valve 66 are check valve, and so setting to have Improve the reliability of the air-conditioner system in effect ground.
Wherein, heat exchanging part 50 includes heat exchange body, and the first separate pipeline and the second pipe are provided with the body that exchanges heat Road, the import of the first pipeline are connected with the outlet of the first control valve 61, the outlet of the first pipeline and entering for outdoor heat exchanger 40 Mouth is connected, and the import of the second pipeline is connected with the outlet of outdoor heat exchanger 40, and the outlet of the second pipeline passes through four-way valve 20 Selectively it is connected with the air entry of compressor 30 or the exhaust outlet of compressor 30.So set further to improve and change The heat exchange efficiency in hot portion 50.
In order that the body that must exchange heat can have sufficient heat exchange heat, heat exchanging part 50 also includes auxiliary heater.Auxiliary Heater is connected with heat exchange body, and auxiliary heater is used to heat to by the refrigerant in the first pipeline and/or the second pipeline.
In order to utilize heat caused by compressor operating well, storage heater can be set in heat exchanging part, pass through profit While being effectively acted as to cooling compressor with the heat of storage heater collection compressor, heat energy is also effectively utilized, is dropped The low power consumption of the air conditioner, add the practicality of the air-conditioner system.Specifically, heat exchanging part 50 also includes storage heater, portion The storage heater divided is disposed adjacent with compressor 30 to collect the heat on the housing of compressor 30, and storage heater is used for by the first pipe Refrigerant heating in road and the second pipeline.
Air-conditioner system in above-described embodiment can be also used for air-conditioner device technical field, i.e., according to the utility model Another aspect, there is provided a kind of air conditioner.The air conditioner includes air-conditioner system, and air-conditioner system is in above-described embodiment Air-conditioner system.Specifically, it is the air-conditioner system includes being connected indoor heat exchanger 10, four-way valve 20, compressor 30, outdoor Heat exchanger 40 and heat exchanging part 50.Heat exchanging part 50 is arranged on the pipeline between connection outdoor heat exchanger 40 and indoor heat exchanger 10, Heat exchanging part 50 is also disposed on connecting on the pipeline between outdoor heat exchanger 40 and four-way valve 20, is removed to outdoor heat exchanger 40 When white, refrigerant flows through indoor heat exchanger 10, outdoor heat exchanger 40 successively through four-way valve 20, is then back to compression through four-way valve 20 In machine 30, wherein, the convection current of heat exchanging part 50 refrigerant interior by the road is heated.
In the present embodiment, heat exchanging part 50 can also be positioned only at heat exchanging part 50 be arranged at connection outdoor heat exchanger 40 with On pipeline between indoor heat exchanger 10, or only by heat exchanging part 50 be also disposed on connecting outdoor heat exchanger 40 and four-way valve 20 it Between pipeline on.Any set-up mode is either taken, by setting heat exchanging part so that air-conditioner system is to outdoor heat exchange When device is defrosted, heat exchanging part is used to heat the refrigerant in pipeline to improve the heat of refrigerant so that air-conditioner system When switching to defrosting mode from heating mode, the four-way valve in air-conditioner system can be achieved with entering outdoor heat exchanger without commutation Row defrosting operation, avoid in the prior art air-conditioner system from heating mode switch to defrosting mode when four-way valve need to commutate The problem of causing indoor temperature to reduce.Using the technical scheme, because four-way valve will not commutate in defrosting mode so that What air conditioner can continue is heated to indoor carry out heat supply, while using heat exchanging part to the refrigerant in pipeline, ensure that sky Adjust device system to have enough energy to be exchanged heat, it is therefore prevented that compressor because heat exchange energy deficiency and caused by liquid hammer situation.Should Technical scheme is effectively improved the dependable with function of the air-conditioner system.
Specifically, room temperature can not be caused to decline indoor carry out heat supply during existing heat pump air conditioner defrosting, influenceed Room comfortableness.The air-conditioner system that the application provides can continue to indoor heating in defrosting process, and heat capacity does not wane Subtract, while there is stronger defrosting ability, defrosting effect is much better than hot gas defrosting mode, and the suction superheat of compressor also has guarantor Barrier, system operation reliability effectively improve.
As shown in figure 1, the cost input of air-conditioner system is few in the present embodiment, and control simple, technically easily realization. The heaters such as PTC are provided with wherein in heat exchanging part, and are provided with two refrigerant bypass flow paths, the import of a connection two-port valve to four Pipeline between port valve, the pipeline being exported between expansion valve import of another connection outdoor heat exchanger.The import of two-port valve It is connected by connecting line with four-way valve, by way of heat exchanging part, outlet is connected by the import of connecting line and outdoor heat exchanger.Two There is throttling action without throttling action when port valve is opened, during closing (closing has flow).The import of outdoor heat exchanger passes through connecting tube Road is connected with two-way valve outlet, and outlet is connected by connecting line with expansion valve import, by way of heat exchanging part.The import of expansion valve is led to The outlet for crossing connecting line and outdoor heat exchanger connects, and by way of heat exchanging part, outlet is entered by connecting line and indoor heat exchanger Mouth connection.The import of indoor heat exchanger is connected by the outlet of connecting line and expansion valve, and outlet passes through connecting line and four-way Valve connects.
Specifically, the suction of compressor, exhaust outlet are connected by connecting line with four-way valve.The import of two-port valve passes through connection Pipeline is connected with four-way valve, and by way of heat exchanging part, outlet is connected by the import of connecting line and outdoor heat exchanger.Outdoor heat exchanger Import be connected by connecting line with two-way valve outlet, outlet be connected by connecting line with expansion valve import, by way of heat exchange Portion.The import of expansion valve is connected by the outlet of connecting line and outdoor heat exchanger, and outlet passes through connecting line and indoor heat exchange The import connection of device.The import of indoor heat exchanger is connected by the outlet of connecting line and expansion valve, and outlet passes through connecting line It is connected with four-way valve.
During heating operation, two-port valve is opened, and expansion valve plays throttling action, and heat exchanging part does not heat.The height of compressor discharge Warm high pressure refrigerant gets in heat exchanger exothermic condensation by four-way valve and passes through expansion valve section into high pressure condensate liquid, high pressure condensate liquid Stream decompression enters outdoor heat exchanger heat absorption and flashes to low area overheat refrigerant, and low area overheat refrigerant is inhaled by four-way valve into compressor Gas port, complete once heating circulation.
During Defrost operation, expansion valve reaches maximum, and two-port valve, which is closed, plays throttling action, heat exchanging part heating.Compressor is arranged The HTHP refrigerant gone out gets in heat exchanger exothermic condensation by four-way valve and passes through swollen into high pressure condensate liquid, high pressure condensate liquid Swollen valve reducing pressure by regulating flow becomes middle pressure gas-liquid two-phase state, and middle pressure gas-liquid two-phase state refrigerant presses through hot refrigerant in becoming by heat exchanging part, In press through hot refrigerant and become middle pressure gas-liquid two-phase state (or middle hydraulic fluid state) refrigerant into outdoor heat exchanger heat release defrosting, in calm the anger liquid Two phases (or middle hydraulic fluid state) refrigerant becomes the phase of low-pressure gas-liquid two, the phase refrigerant of low-pressure gas-liquid two by two-port valve reducing pressure by regulating flow Low area overheat refrigerant is become by heat exchanging part, low area overheat refrigerant enters compressor air suction mouth by four-way valve, and completion once removes Frost circulation.
During refrigerating operaton, two-port valve is opened, and expansion valve plays throttling action, and heat exchanging part does not heat.The height of compressor discharge Warm high pressure refrigerant passes through expansion valve section into outdoor heat exchanger exothermic condensation by four-way valve into high pressure condensate liquid, high pressure condensate liquid Stream decompression gets in heat exchanger heat absorption and flashes to low area overheat refrigerant, and low area overheat refrigerant is inhaled by four-way valve into compressor Gas port, complete a kind of refrigeration cycle.
In another embodiment as shown in Figure 5, the accumulation of heat module of storage heater is attached on the casing wall of compressor, passes through accumulation of heat Heat caused by material savings compressor, inside is provided with the heaters such as PTC (settable to be also not provided with), for accumulation of heat deficiency Shi Kaiqi additional heats, and be provided with two refrigerant flows, the import of a connection two-port valve to the pipeline between the 6th control valve, The pipeline being exported between the 5th control of another connection outdoor heat exchanger.The import of two-port valve passes through connecting line and four-way Valve connects, and by way of accumulation of heat module, centre string has the 6th control valve, and outlet is connected by the import of connecting line and outdoor heat exchanger Connect.6th control valve circulating direction is two-port valve to four-way valve direction.The two of two-port valve, accumulation of heat module and the 6th control valve stream End has the branch circuit parallel connection of the 4th control valve with string.4th control valve circulating direction is four-way valve to outdoor heat exchanger direction.It is outdoor The import of heat exchanger is connected by connecting line with two-way valve outlet, and outlet is connected by connecting line with expansion valve import, way Through accumulation of heat module, centre string has the 5th control.5th controls circulating direction as expansion valve to outdoor heat exchanger direction.Accumulation of heat module There is the branch circuit parallel connection of the 3rd control valve with the both ends of the 5th control stream and string.3rd control valve circulating direction is outdoor heat exchanger To expansion valve direction.The import of expansion valve is connected by connecting line with the 5th control and the 3rd control valve, and outlet passes through connection The import connection of pipeline and indoor heat exchanger.The import of indoor heat exchanger is connected by the outlet of connecting line and expansion valve, is gone out Mouth is connected by connecting line with four-way valve.
Specifically, the system includes compressor, four-way valve, outdoor heat exchanger, indoor heat exchanger, expansion valve, two-port valve, changed The part such as hot portion, the 5th control, the 6th control valve, the 3rd control valve, the 4th control valve and connecting line.The accumulation of heat mould of heat exchanging part Block is attached on the casing wall of compressor, puts aside heat caused by compressor by heat-storing material, inside is provided with the heating such as PTC dress Put, for opening additional heat during accumulation of heat deficiency, and be provided with two refrigerant flows, the import of a connection two-port valve to the 6th control Pipeline between valve processed, the pipeline being exported between the 5th control of another connection outdoor heat exchanger.
The suction and exhaust ports of compressor are connected by connecting line with four-way valve.The import of two-port valve passes through connecting line and four Port valve connects, and by way of accumulation of heat module, centre string has the 6th control valve, and outlet is connected by the import of connecting line and outdoor heat exchanger Connect.The both ends of two-port valve, accumulation of heat module and the 6th control valve stream have the branch circuit parallel connection of the 4th control valve with string.Outdoor heat exchanger Import be connected by connecting line with two-way valve outlet, outlet be connected by connecting line with expansion valve import, by way of accumulation of heat Module, centre string have the 5th control.The both ends of accumulation of heat module and the 5th control stream have the branch circuit parallel connection of the 3rd control valve with string. The import of expansion valve is connected by connecting line with the 5th control and the 3rd control valve, and outlet passes through connecting line and indoor heat exchange The import connection of device.The import of indoor heat exchanger is connected by the outlet of connecting line and expansion valve, and outlet passes through connecting line It is connected with four-way valve.
During heating operation, two-port valve is opened, and expansion valve plays throttling action, and accumulation of heat inside modules heater is not turned on adding Heat.The HTHP refrigerant of compressor discharge gets in heat exchanger exothermic condensation into high pressure condensate liquid, high pressure by four-way valve Condensate liquid is entered accumulation of heat module by way of the 5th control and absorbed heat by expansion valve reducing pressure by regulating flow, is inhaled subsequently into outdoor heat exchanger Thermal evaporation is absorbed heat into low area overheat refrigerant, low area overheat refrigerant into accumulation of heat module, then passes through four-way by way of the 6th control valve Valve enters compressor air suction mouth, completes once heating circulation.
During Defrost operation, expansion valve reaches maximum, and two-port valve is closed and plays throttling action, accumulation of heat inside modules heater Open heating (heater can be not turned on when frosting is lighter).The HTHP refrigerant of compressor discharge is entered by four-way valve Indoor heat exchanger exothermic condensation becomes middle pressure gas-liquid two-phase into high pressure condensate liquid, high pressure condensate liquid by expansion valve reducing pressure by regulating flow State, it is middle pressure gas-liquid two-phase state refrigerant by way of the 5th control enter accumulation of heat module heat absorption become in presses through hot refrigerant, in press through heat it is cold Matchmaker enters outdoor heat exchanger heat release defrosting and becomes middle pressure gas-liquid two-phase state (or middle hydraulic fluid state) refrigerant, middle pressure gas-liquid two-phase state (or Middle hydraulic fluid state) refrigerant becomes the phase of low-pressure gas-liquid two by two-port valve reducing pressure by regulating flow, and the phase refrigerant of low-pressure gas-liquid two enters accumulation of heat Module is absorbed heat, and then enters compressor air suction mouth by four-way valve by way of the 6th control valve, completes once defrosting circulation.
During refrigerating operaton, two-port valve is opened, and expansion valve plays throttling action, and accumulation of heat inside modules heater is not turned on adding Heat.The HTHP refrigerant of compressor discharge enters outdoor heat exchanger exothermic condensation into height by four-way valve by way of the 4th control valve Press condensate liquid, high pressure condensate liquid by way of the 3rd control valve by expansion valve reducing pressure by regulating flow get in heat exchanger heat absorption flash to it is low Hot refrigerant is pressed through, low area overheat refrigerant enters compressor air suction mouth by four-way valve, completes a kind of refrigeration cycle.
Than that described above, it is also necessary to which explanation is " one embodiment ", " another implementation spoken of in this manual Example ", " embodiment " etc., refer to that the specific features, structure or the feature that combine embodiment description are included in the application summary Property description at least one embodiment in.It is not necessarily to refer to same reality that statement of the same race, which occur, in multiple places in the description Apply example.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is knot Other embodiment is closed to realize that this feature, structure or feature also fall in the scope of the utility model.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment Point, it may refer to the associated description of other embodiment.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (15)

1. a kind of air-conditioner system, it is characterised in that including the indoor heat exchanger (10), four-way valve (20), compressor being connected (30), outdoor heat exchanger (40), the air-conditioner system also include:
Heat exchanging part (50), the heat exchanging part (50) are arranged at the connection outdoor heat exchanger (40) and the indoor heat exchanger (10) Between pipeline on, and/or, the heat exchanging part (50) is arranged at the connection outdoor heat exchanger (40) and the four-way valve (20) Between pipeline on, when being defrosted to the outdoor heat exchanger (40), refrigerant flows through institute successively through the four-way valve (20) Indoor heat exchanger (10), the outdoor heat exchanger (40) are stated, is then back to the compressor (30) through the four-way valve (20) It is interior, wherein, the heat exchanging part (50) is heated to flowing through the refrigerant in the pipeline.
2. air-conditioner system according to claim 1, it is characterised in that the air-conditioner system also includes:
First control valve (61), first control valve (61) are arranged at the connection outdoor heat exchanger (40) and changed with the interior On pipeline between hot device (10), the heat exchanging part (50) of part is arranged at the connection outdoor heat exchanger (40) and described the On pipeline between one control valve (61), the heat exchanging part (50) of another part is arranged at the connection outdoor heat exchanger (40) On pipeline between the four-way valve (20).
3. air-conditioner system according to claim 2, it is characterised in that the first import of the heat exchanging part (50) with it is described The outlet of first control valve (61) is connected, the first outlet of the heat exchanging part (50) and the import of the outdoor heat exchanger (40) It is connected, the outlet of the outdoor heat exchanger (40) is connected with the second import of the heat exchanging part (50), the heat exchanging part (50) second outlet passes through the four-way valve (20) the selectively air entry with the compressor (30) or the compressor (30) exhaust outlet is connected.
4. air-conditioner system according to claim 3, it is characterised in that the air-conditioner system also includes:
Second control valve (62), second control valve (62) are arranged at the connection outdoor heat exchanger (40) and heat exchanging part (50) Between pipeline on.
5. air-conditioner system according to claim 4, it is characterised in that first control valve (61) is expansion valve, and/ Or second control valve (62) is two-port valve.
6. air-conditioner system according to claim 4, it is characterised in that the air-conditioner system also includes:
First bypass line (71), the first end of first bypass line (71) are connected to entering for the outdoor heat exchanger (40) On pipeline between mouth and the first outlet of the heat exchanging part (50), the second end of first bypass line (71) is connected to institute State on the pipeline between the first import of heat exchanging part (50) and the outlet of first control valve (61).
7. air-conditioner system according to claim 6, it is characterised in that the air-conditioner system also includes:
Second bypass line (72), the first end of second bypass line (72) are connected to going out for the outdoor heat exchanger (40) On pipeline between mouth and the second import of the heat exchanging part (50), the second end of second bypass line (72) is connected to institute State on the pipeline between the second outlet of heat exchanging part (50) and the four-way valve (20).
8. air-conditioner system according to claim 7, it is characterised in that the air-conditioner system also includes:
3rd control valve (63), the 3rd control valve (63) are arranged on first bypass line (71), the 3rd control The import of valve (63) processed is connected with the import of the outdoor heat exchanger (40), the outlet of the 3rd control valve (63) with it is described The outlet of first control valve (61) is connected.
9. air-conditioner system according to claim 7, it is characterised in that the air-conditioner system also includes:
4th control valve (64), the 4th control valve (64) are arranged on second bypass line (72), the 4th control Exhaust outlet of the import of valve (64) processed selectively with the compressor (30) is connected.
10. air-conditioner system according to claim 7, it is characterised in that the air-conditioner system also includes:
5th control valve (65), the 5th control valve (65) be arranged at connect the first import of the heat exchanging part (50) with it is described On pipeline between the outlet of indoor heat exchanger (10), import and the indoor heat exchanger (10) of the 5th control valve (65) Outlet be connected, the outlet of the 5th control valve (65) is connected with the first import of the heat exchanging part (50).
11. air-conditioner system according to claim 7, it is characterised in that the air-conditioner system also includes:
6th control valve (66), the 6th control valve (66) be arranged at connect the second outlet of the heat exchanging part (50) with it is described On pipeline between four-way valve (20), the import of the 6th control valve (66) is connected with the second outlet of the heat exchanging part (50) It is logical, the outlet of the 6th control valve (66) by the four-way valve (20) selectively with the air entry or the exhaust outlet It is connected.
12. air-conditioner system according to claim 2, it is characterised in that the heat exchanging part (50) includes:
Exchanged heat body, and separate the first pipeline and the second pipeline are provided with the heat exchange body, first pipeline Import is connected with the outlet of first control valve (61), outlet and the outdoor heat exchanger (40) of first pipeline Import is connected, and the import of second pipeline is connected with the outlet of the outdoor heat exchanger (40), second pipeline Outlet passes through the four-way valve (20) the selectively exhaust with the air entry or the compressor (30) of the compressor (30) Mouth is connected.
13. air-conditioner system according to claim 12, it is characterised in that the heat exchanging part (50) also includes:
Auxiliary heater, the auxiliary heater are connected with the heat exchange body, and the auxiliary heater is for being passed through institute State the refrigerant heating in the first pipeline and/or second pipeline.
14. air-conditioner system according to claim 12, it is characterised in that the heat exchanging part (50) also includes:
Storage heater, the storage heater of part are disposed adjacent with the compressor (30) to collect on the compressor (30) housing Heat, the storage heater is used to heat to by the refrigerant in first pipeline and/or second pipeline.
15. a kind of air conditioner, including air-conditioner system, it is characterised in that the air-conditioner system is to appoint in claim 1 to 14 Air-conditioner system described in one.
CN201720987329.0U 2017-08-08 2017-08-08 Air-conditioner system and there is its air conditioner Active CN207214503U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019029233A1 (en) * 2017-08-08 2019-02-14 格力电器(武汉)有限公司 Air conditioning system and air conditioner having the same
CN109668219A (en) * 2018-11-27 2019-04-23 珠海格力电器股份有限公司 Air conditioner outdoor unit condenser, air conditioner and Defrost method
CN110469969A (en) * 2019-07-25 2019-11-19 青岛海尔空调器有限总公司 For the control method of air-conditioner defrosting, device and air-conditioning
CN110470017A (en) * 2019-08-03 2019-11-19 青岛海尔空调器有限总公司 Control method and device, air-conditioning for air-conditioner defrosting
CN110470020A (en) * 2019-08-04 2019-11-19 青岛海尔空调器有限总公司 Control method and device, air-conditioning for air-conditioner defrosting

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019029233A1 (en) * 2017-08-08 2019-02-14 格力电器(武汉)有限公司 Air conditioning system and air conditioner having the same
CN109668219A (en) * 2018-11-27 2019-04-23 珠海格力电器股份有限公司 Air conditioner outdoor unit condenser, air conditioner and Defrost method
CN109668219B (en) * 2018-11-27 2023-06-16 珠海格力电器股份有限公司 Air conditioner outdoor unit condenser, air conditioner and defrosting method
CN110469969A (en) * 2019-07-25 2019-11-19 青岛海尔空调器有限总公司 For the control method of air-conditioner defrosting, device and air-conditioning
CN110469969B (en) * 2019-07-25 2022-09-06 青岛海尔空调器有限总公司 Control method and device for defrosting of air conditioner and air conditioner
CN110470017A (en) * 2019-08-03 2019-11-19 青岛海尔空调器有限总公司 Control method and device, air-conditioning for air-conditioner defrosting
CN110470020A (en) * 2019-08-04 2019-11-19 青岛海尔空调器有限总公司 Control method and device, air-conditioning for air-conditioner defrosting

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