CN106766292A - Air-conditioner - Google Patents

Air-conditioner Download PDF

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Publication number
CN106766292A
CN106766292A CN201611079261.2A CN201611079261A CN106766292A CN 106766292 A CN106766292 A CN 106766292A CN 201611079261 A CN201611079261 A CN 201611079261A CN 106766292 A CN106766292 A CN 106766292A
Authority
CN
China
Prior art keywords
air
working chamber
cylinder
air entry
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611079261.2A
Other languages
Chinese (zh)
Inventor
梁祥飞
黄辉
郑波
黄柏良
庄嵘
潘俊
方金升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201611079261.2A priority Critical patent/CN106766292A/en
Publication of CN106766292A publication Critical patent/CN106766292A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • F25B1/10Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00Subcoolers, desuperheaters or superheaters
    • F25B40/02Subcoolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07Details of compressors or related parts
    • F25B2400/074Details of compressors or related parts with multiple cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/12Sound
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/25Control of valves

Abstract

The invention provides a kind of air-conditioner, including compressor, First Heat Exchanger, tonifying Qi supercooling apparatus, the second heat exchanger, the gas-liquid separator being connected.Wherein, compressor includes pump body structure, and pump body structure includes that at least one of multiple cylinders, multiple cylinders include that at least one of main working chamber, multiple cylinders include back work chamber, and main working chamber and back work chamber are respectively provided with air entry and exhaust outlet;The air entry in back work chamber is selectively connected with gas-liquid separator or tonifying Qi supercooling apparatus.The air entry in back work chamber is arranged to selectable mode of communicating so that the pipeline of the air-conditioner can effectively improve the heating capacity and COP of the air-conditioner according to actual operating mode selection and the air entry succession in back work chamber.

Description

Air-conditioner
Technical field
The present invention relates to air-conditioner device technical field, in particular to a kind of air-conditioner.
Background technology
In the prior art, the heating capacity of air source heat pump declines rapid decay with outdoor environment temperature so that air-source Coefficient of performance in heating (COP) respective attenuation of heat pump, causes heat pump type air conditioner to heat comfortableness and performance driving economy with environment temperature Degree declines and declines, or even occurs that heating comfortableness can not meet user's request needs unlatching auxiliary electrical heater, sky now The COP of air supply heat pump will decline to a great extent.Existing low form air source heat pump product is using accurate two grades or Two-stage Compression Gas-supplying enthalpy-increasing Technology is improving heating capacity, although COP has a certain upgrade, but position or the twin-stage of accurate two grades of gas supplementing openings are secured during because of design Compress volumetric ratio of just arbitrarily downgrading.Therefore, existing Gas-supplying enthalpy-increasing technology only obtains preferably COP under design conditions, and low form Air source heat pump temperature range of operation is wider, causes air source heat pump COP when full working scope runs to be difficult to reach optimal effect.
In the prior art, because the volumetric ratio of the second cylinder and the first cylinder is definite value, therefore off-design is equally existed The problem that COP is difficult to reach optimum efficiency is heated during operating mode.And when the second cylinder be non-compressed mode when be still present roller with Sliding friction loss between upper and lower flange and cylinder wall, causes compressor efficiency to decline compared to single-stage compressor.Separately Outward, transfiguration control structure of the prior art is complicated, reduces the stability and reliability of air-conditioner system.Press in the prior art Contracting machine also there is a problem of easily producing reliability because of distribution of lubrication oil inequality air-conditioner, and cost is high, take up room big Etc. defect.
The content of the invention
It is a primary object of the present invention to provide a kind of air-conditioner, to solve heating capacity of air conditioner difference of the prior art Problem.
To achieve these goals, according to an aspect of the invention, there is provided a kind of air-conditioner, air-conditioner, including phase The compressor of connection, First Heat Exchanger, tonifying Qi supercooling apparatus, the second heat exchanger, gas-liquid separator;Wherein, compressor includes pump Body structure, pump body structure includes that at least one of multiple cylinders, multiple cylinders include main working chamber, in multiple cylinders at least One includes back work chamber, and main working chamber and back work chamber are respectively provided with air entry and exhaust outlet;The air-breathing in back work chamber Mouth is selectively connected with gas-liquid separator or tonifying Qi supercooling apparatus.
Further, multiple cylinders include:First cylinder, is formed with multiple working chambers in the first cylinder, each working chamber is equal With air entry and exhaust outlet, wherein, at least one of multiple working chambers are main working chamber or are back work chamber.
Further, the first cylinder includes the first slide plate and the second slide plate, and the first slide plate and the second slide plate are by the first cylinder Inner chamber be separated into the first working chamber and the second working chamber, the first working chamber forms back work chamber.
Further, the first working chamber have the first air entry and first row gas port, the first air entry selectively with gas Liquid/gas separator or tonifying Qi supercooling apparatus are connected, and first row gas port is connected with First Heat Exchanger.
Further, the second working chamber has the second air entry and second exhaust port, second exhaust port and First Heat Exchanger It is connected, multiple cylinders also include:Second cylinder, positioned at the lower section of the first cylinder, the second cylinder has the 3rd working chamber, the 3rd Working chamber has the 3rd air entry and the 3rd exhaust outlet, and the 3rd air entry is connected with gas-liquid separator, the 3rd exhaust outlet and the Two air entries are connected.
Further, it is provided with the first valve on the first air entry of connection and the pipeline of gas-liquid separator.
Further, it is provided with the second valve on the first air entry of connection and the pipeline of tonifying Qi supercooling apparatus.
Further, it is provided with the 3rd valve on the second air entry of connection and the pipeline of tonifying Qi supercooling apparatus.
Further, multiple cylinders are vertically set, and each cylinder is respectively provided with a working chamber, are worked based on working chamber Chamber is back work chamber.
Further, multiple cylinders include the 3rd cylinder, and the 3rd cylinder has the 4th working chamber, and the 4th working chamber has the Four air entries and the 4th exhaust outlet, the 4th air entry are selectively connected with the second heat exchanger or tonifying Qi supercooling apparatus, and the 4th Exhaust outlet is connected with First Heat Exchanger.
Further, multiple cylinders include the 4th cylinder and the 5th cylinder, and the 4th cylinder has the 5th working chamber, the 5th work Make chamber with the 5th air entry and the 5th exhaust outlet, the 5th exhaust outlet is connected with First Heat Exchanger, the 5th cylinder has the 6th Working chamber, the 6th working chamber has the 6th air entry and the 6th exhaust outlet, and the 6th air entry is connected with the second heat exchanger, and the 6th Exhaust outlet is connected with the 5th air entry.
Further, tonifying Qi supercooling apparatus include:Flash evaporation, the water influent pipeline of flash evaporation and the port of export of First Heat Exchanger It is connected, the drain pipe road of flash evaporation is connected with the entrance point of the second heat exchanger, gas outlet and the back work chamber of flash evaporation Air entry be connected.
Further, the entrance point of tonifying Qi supercooling apparatus is connected with the port of export of First Heat Exchanger, tonifying Qi supercooling apparatus The port of export be connected with the entrance point of the second heat exchanger, tonifying Qi supercooling apparatus also include bypass, one end of bypass is changed with first The port of export of hot device is connected, and the other end of bypass is connected with the air entry in back work chamber, and throttling dress is provided with bypass Put.
Further, the volumetric ratio of the volume of the 4th working chamber and the 6th working chamber is Q1, wherein, 0.05≤Q1≤ 0.25。
Further, the volumetric ratio of the volume of the 5th working chamber and the 6th working chamber is Q2, wherein, 0.6≤Q2≤0.75.
Further, the volumetric ratio of the volume of the first working chamber and the 3rd working chamber is Q3, wherein, 0.05≤Q3≤ 0.25。
Further, the volumetric ratio of the volume of the second working chamber and the 3rd working chamber is Q4, wherein, 0.6≤Q4≤0.75.
Apply the technical scheme of the present invention, air-conditioner includes that cold charge is crossed in the compressor being connected, First Heat Exchanger, tonifying Qi Put, the second heat exchanger, gas-liquid separator.Wherein, compressor includes pump body structure, and pump body structure includes multiple cylinders, Duo Geqi At least one of cylinder includes that at least one of main working chamber, multiple cylinders include back work chamber, main working chamber and auxiliary Working chamber is respectively provided with air entry and exhaust outlet;The air entry in back work chamber selectively crosses cold charge with gas-liquid separator or tonifying Qi Put and be connected.The air entry in back work chamber is arranged to selectable mode of communicating so that the pipeline of the air-conditioner being capable of root According to actual operating mode selection and the air entry succession in back work chamber, the heating capacity of the air-conditioner can be effectively improved And COP.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, of the invention to show Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In the accompanying drawings:
Fig. 1 shows the structural representation of the compresser cylinder embodiment one of air-conditioner of the invention;
Fig. 2 shows the structural representation of the compresser cylinder embodiment two of air-conditioner in Fig. 1;
Fig. 3 shows the structural representation of the compresser cylinder embodiment three of air-conditioner in Fig. 1;
Fig. 4 shows the structural representation of the control system embodiment one of air-conditioner in Fig. 1;
Fig. 5 shows the structural representation of the control system embodiment two of air-conditioner in Fig. 1;And
Fig. 6 shows the schematic diagram of the compresser cylinder connection of air-conditioner in Fig. 1.
Wherein, above-mentioned accompanying drawing is marked including the following drawings:
10th, compressor;11st, the first cylinder;12nd, the first slide plate;13rd, the second slide plate;14th, the second cylinder;15th, the 3rd gas Cylinder;16th, the 4th cylinder;17th, the 5th cylinder;20th, First Heat Exchanger;30th, tonifying Qi supercooling apparatus;31st, bypass;32nd, flash evaporation; 40th, the second heat exchanger;50th, pipeline;51st, main road;52nd, branch road;53rd, branch road;531st, connecting line;532nd, connecting line;60th, gas Liquid/gas separator;71st, the first valve;72nd, the second valve;73rd, the 3rd valve;74th, throttling arrangement;75th, throttling arrangement;76th, throttle Device.
Specific 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 present invention 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 specific 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 Be also intended to include plural form, additionally, it should be understood that, when in this manual use 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 ", " in the description and claims of this application and above-mentioned accompanying drawing Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using Term can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein Order beyond those of diagram or description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that Be cover it is non-exclusive include, for example, containing process, method, system, product or the equipment of series of steps or unit not Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side Method, product or other intrinsic steps of equipment or unit.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ", " in ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation levied.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.If for example, the device in accompanying drawing is squeezed, be described as " in other devices To 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 Implementation method 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 implementation method 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. 4, a kind of embodiments in accordance with the present invention, there is provided air-conditioner.
Specifically, the air-conditioner includes interconnected compressor 10, First Heat Exchanger 20, tonifying Qi supercooling apparatus 30, the Two heat exchangers 40, gas-liquid separator 60.Wherein, compressor 10 includes pump body structure, and pump body structure includes multiple cylinders, Duo Geqi At least one of cylinder includes that at least one of main working chamber, multiple cylinders include back work chamber, main working chamber and auxiliary Working chamber is respectively provided with air entry and exhaust outlet;The air entry in back work chamber is selectively subcooled with gas-liquid separator 60 or tonifying Qi Device 30 is connected.The air entry in back work chamber is arranged to selectable mode of communicating so that the pipeline energy of the air-conditioner Enough air entry successions selected according to actual operating mode with back work chamber, can effectively improve the system of the air-conditioner Heat and COP.
In the present embodiment, the air entry in back work chamber is arranged to selectable mode of communicating so that the air-conditioner Pipeline the sky can be effectively improved according to actual operating mode selection and the air entry succession in back work chamber Adjust the heating capacity and COP of device.
As shown in figure 1, multiple cylinders include the first cylinder 11, multiple working chambers (such as A in figure is formed with the first cylinder 11 With shown in B), each working chamber is respectively provided with air entry, and (as shown in air entry 121, air entry 131 in Fig. 1, roller 132 is arranged at gas In cylinder) and exhaust outlet (not shown), wherein, at least one of multiple working chambers are main working chamber or are back work Chamber..So setting can efficiently avoid when the main working chamber in pump body structure is in and is effectively compressed state, back work Friction loss is produced in chamber, the coefficient of performance when operating mode wide for being effectively improved pump body structure is run, and simplify compressor Structure, improves the operating efficiency of air-conditioner.
Wherein, the first cylinder 11 includes the first slide plate 12 and the second slide plate 13, and the first slide plate 12 and the second slide plate 13 are by the The inner chamber of one cylinder 11 is separated into the first working chamber and the second working chamber.Wherein, the first working chamber forms back work chamber.This reality Apply using a cylinder in example and multiple compression chambers are set in cylinder, so setting can effectively mitigate compressor pump body Weight so that the compressor pump structure is simpler, while improve using the household air-conditioner of the compressor.
Further, the first working chamber have the first air entry and first row gas port, the first air entry selectively with gas Liquid/gas separator 60 or tonifying Qi supercooling apparatus 30 are connected, and first row gas port is connected with First Heat Exchanger 20.Second working chamber has There are the second air entry and second exhaust port, second exhaust port is connected with First Heat Exchanger 20, and multiple cylinders also include:Second gas Cylinder 14, the second cylinder 14 is located at the lower section of the first cylinder 11, and the second cylinder 14 has the 3rd working chamber, and the 3rd working chamber has the Three air entries and the 3rd exhaust outlet, the 3rd air entry are connected with gas-liquid separator 60, the 3rd exhaust outlet and the second air entry phase Connection.The flexibility of the air entry connection that can increase in cylinder is so set so that the compressor is transported according to air-conditioner itself Row operating mode carries out pipeline switching can change the stream of refrigerant in real time, effectively increase compressor and with the compressor The applicability of air-conditioner.
In order to the exhaust outlet and air entry of further realizing back work chamber can realize changeable i.e. optional, difference The first valve 71 is provided with pipeline of first air entry with gas-liquid separator 60 is connected, in connection the first air entry and tonifying Qi The second valve 72 is provided with the pipeline of supercooling apparatus 30, is set on connection pipeline of second air entry with tonifying Qi supercooling apparatus 30 It is equipped with the 3rd valve 73.So set the valve in the carrying out practically operating conditions respective line for allowing to according to compressor with Change the air entry of compressor and the mode of communicating of exhaust outlet, be effectively improved the compression performance of compressor.
As shown in figure 3, the pump body structure in the present embodiment can also be arranged to:Multiple cylinders are vertically set, respectively Cylinder is respectively provided with a working chamber, and working chamber is main working chamber or is back work chamber.So setting can equally play raising The effect of the heating capacity and COP of compressor, increased the practicality and reliability of compressor.
Specifically, multiple cylinders include the 3rd cylinder, the 4th cylinder and the 5th cylinder.3rd cylinder has the 4th work Chamber, the 4th working chamber have the 4th air entry and the 4th exhaust outlet, the 4th air entry selectively with the second heat exchanger 40 or mend Gas supercooling apparatus 30 are connected, and the 4th exhaust outlet is connected with First Heat Exchanger 20.4th cylinder has the 5th working chamber, the 5th Working chamber has the 5th air entry and the 5th exhaust outlet, and the 5th exhaust outlet is connected with First Heat Exchanger 20, and the 5th cylinder has 6th working chamber, the 6th working chamber has the 6th air entry and the 6th exhaust outlet, and the 6th air entry is connected with the second heat exchanger 40 Logical, the 6th exhaust outlet is connected with the 5th air entry.So setting can efficiently avoid in the prior art because of multiple cylinders Being stacked other cylinders when one of cylinder normally compresses can not realize normal compact model, cause to compress friction loss, reduce The problem of the heating capacity of compressor and air-conditioner.
Tonifying Qi supercooling apparatus 30 include flash evaporation 32.The port of export phase of the water influent pipeline of flash evaporation 32 and First Heat Exchanger 20 Connection, the drain pipe road of flash evaporation 32 is connected with the entrance point of the second heat exchanger 40, the gas outlet of flash evaporation 32 and backman The air entry for making chamber is connected.So setting can equally play the compression effect that the compression performance for increasing compressor improves air-conditioner The problem of rate.
Specifically, the entrance point of tonifying Qi supercooling apparatus 30 is connected with the port of export of First Heat Exchanger 20, and cold charge is crossed in tonifying Qi The port of export for putting 30 is connected with the entrance point of the second heat exchanger 40, and tonifying Qi supercooling apparatus 30 also include bypass 31, bypass 31 One end is connected with the port of export of First Heat Exchanger 20, and the other end of bypass 31 is connected with the air entry in back work chamber, auxiliary Throttling arrangement 74 is provided with road 31.The flow of refrigerant that can be effectively in control piper 50 is so set, compressor is improve Heating efficiency.
Pump body structure includes silencing cavity.Second exhaust port is connected with first row gas port with the import of silencing cavity, silencing cavity Outlet be connected with First Heat Exchanger 20.The refrigerant for causing to be discharged from the compression chamber of cylinder is so set through in pump body structure Silencing cavity sound-deadening and noise-reducing after discharged by compressor inner chamber and blast pipe again, making an uproar when significantly reducing compressor operating Sound, improves user experience.
Wherein, pipeline 50 includes main road 51 and branch road 52.The first end of main road 51 and the gas outlet of tonifying Qi supercooling apparatus 30 It is connected.One end of branch road 52 is connected with the second end of main road 51, and the second end of branch road 52 is connected with the second air entry.This Sample sets and enables that the cylinder in compressor carries out tonifying Qi, energy by sucking the refrigerant in tonifying Qi supercooling apparatus 30 to compressor The delivery temperature of compressor is enough significantly reduced, the heating capacity of compressor and air-conditioner is increased.
Further, pipeline 50 also includes branch road 53, and one end of branch road 53 is connected with the second end of main road 51, branch road 53 The other end be connected with the first air entry.So set enable to from gas-liquid separator 60 discharge refrigerant can pass through First air entry effectively increases the compression performance of compressor into tonifying Qi is carried out in the compression chamber of cylinder.
Air-conditioner includes connecting line 531.Wherein, connecting line 532 belongs to the part in connecting line 531.Connection The first end of pipeline 531 is connected with the port of export of gas-liquid separator 60, the second end of connecting line 531 and the first air entry phase Connection.Specifically, as shown in figure 4, the first end of connecting line 531 is connected with the main road of branch road 53, the of connecting line 531 Two ends are connected with gas-liquid separator 60.The first end of connecting line 532 is connected with the main road of branch road 53, connecting line 532 The second end be connected with the first air entry.Wherein, the first valve 71, the second tonifying Qi branch road 53 are provided with connecting line 531 Main road on be provided with the second valve 72, it should be noted that " main road of branch road 53 " referred herein for branch road 53 initiating terminal Start the pipeline of this section of branch occur to branch road 53.So set and can respectively be controlled according to the operating condition of compressor Refrigerant trend in the open and-shut mode and then control air conditioner control system of the first valve 71 and the second valve 72, is avoided with reaching There is compression losses in compressor.So as to be effectively improved the heating capacity and COP of compressor.
Further, multiple cylinders include the 4th cylinder and the 5th cylinder, and the 4th cylinder has the 5th working chamber, the 5th work Make chamber with the 5th air entry and the 5th exhaust outlet, the 5th exhaust outlet is connected with First Heat Exchanger 20, the 5th cylinder is with the Six working chambers, the 6th working chamber has the 6th air entry and the 6th exhaust outlet, and the 6th air entry is connected with the second heat exchanger 40, 6th exhaust outlet is connected as shown in Figure 3 and Figure 6 with the 5th air entry, the 3rd cylinder 15, the 4th cylinder 16, the 5th cylinder in figure 17.Wherein, show that one end of pipeline 50 is connected with the exhaust outlet of the 5th cylinder 17 in Fig. 6, then again with the 4th cylinder 16 Air entry be connected.So setting can significantly reduce the delivery temperature of compressor, increased the heating capacity of air-conditioner.
In order to further optimize compressor performance, by the volume and the appearance of the 6th working chamber of the 4th working chamber in compressor Product ratio is set to Q1, wherein, 0.05≤Q1≤0.25.The volume of the 5th working chamber is set to the volumetric ratio of the 6th working chamber Q2, wherein, 0.6≤Q2≤0.75.The volumetric ratio of the volume of the first working chamber and the 3rd working chamber is set to Q3, wherein, 0.05≤Q3≤0.25.It is Q4 by the volumetric ratio of the volume of the second working chamber and the 3rd working chamber, wherein, 0.6≤Q4≤0.75.
Specifically, as shown in figure 4, having described compressor 10, outdoor heat exchanger on air-conditioner circulating refrigerant stream That is the second heat exchanger 40, indoor heat exchanger is First Heat Exchanger 20, supercooling apparatus i.e. tonifying Qi supercooling apparatus 30, bypass throttling arrangement I.e. throttling arrangement 74, main road throttling arrangement 75, gas-liquid separator 60 and electromagnetism two-port valve be the first valve 71, the second valve 72, 3rd valve 73.Compressor 10 has first, second, and third working chamber, and the first working chamber has the first air entry and first row Gas port, the second working chamber has the second air entry and second exhaust port, and the 3rd working chamber has the 3rd air entry and the 3rd exhaust Mouthful.First air entry of compressor 10 is connected with the outlet of gas-liquid separator 60, and the second air entry is connected with first row gas port Logical, the 3rd air entry is successively that bypass, bypass throttling arrangement and the interior of the second valve 72, supercooling apparatus are changed with electromagnetism two-port valve Hot device is connected, and second and third exhaust outlet is changed with indoor heat exchanger, the main road passage of supercooling apparatus, main throttling arrangement, outdoor successively Hot device is connected with the entrance of gas-liquid separator 60.The 3rd air entry of compressor 10 is also by electricity in parallelly compressed heat pump cycle Magnetic two-port valve is that the first valve 71 is connected with the outlet of gas-liquid separator 60, and is the first valve by electromagnetism two-port valve 71st, the alternative switching refrigerant flow path of the on and off of the second valve 72 realizes main road after cold or nothing after SAPMAC method.Parallel The second air entry of compressor 10 is also exported with the bypass of supercooling apparatus by the 3rd valve 73 and is connected in compressing hot pump circulation, And realized between the first row gas port and the second air entry of compressor 10 by the way that the on and off of the 3rd valve 73 is alternative Carry out tonifying Qi or not tonifying Qi.
With reference to accompanying drawing 4 and accompanying drawing 6, first and second compression chamber series connection (i.e. the 5th cylinder 17 in Fig. 6, the work of the 4th cylinder 16 Make chamber) composition Two-stage Compression in the middle of without tonifying Qi when then close the 3rd valve 73, when the first valve 71 is closed, the second valve 72 When being opened with bypass throttling arrangement 74, main road is realized after SAPMAC method, it is specific as follows:Refrigerant absorbs heat in outdoor heat exchanger Gas-liquid separation is carried out into gas-liquid separator after evaporation gasification, low pressure refrigerant gas enter the first compression chamber through the first air entry Hot gas is pressed through in being inside compressed to be expelled in intermediate cavity from first row gas port (have and eliminate the noise and tonifying Qi immixture), then by the Two air entries are expelled in noise elimination cavity from second exhaust port into being compressed to high pressure superheater gas in the second compression chamber, are then flowed through Machine winding is simultaneously expelled to indoor heat exchanger after being cooled down to it from the exhaust outlet of compressor, high pressure superheater gas heat exchanger indoors Interior to condense heat release and be divided into main road and bypass after being too cold, bypass refrigerant is down to middle pressure quarter-phase system through the throttling of bypass throttling arrangement Cryogen enters the bypass passage heat absorption evaporation gasification of supercooling apparatus, and main road refrigerant is entered one into the main road passage of supercooling apparatus Enter outdoor heat exchanger after being two phase refrigerant through main throttling arrangement reducing pressure by regulating flow after step supercooling, supercooling apparatus bypass passage is out Middle compression refrigerant gas by compressor the 3rd air entry is into the 3rd compression chamber and is compressed into high pressure superheater gas from Three exhaust outlets are expelled to the noise elimination cavity in compressor, after the high pressure superheater gas discharged with the second compression chamber in noise elimination cavity converges Flow through machine winding.Finally indoor heat exchanger is drained into from the exhaust outlet of compressor.Now, supercooling apparatus have to main road refrigerant After cold effect, it is lowered into the refrigerant specific enthalpy of outdoor heat exchanger and imports and exports than enthalpy difference and reduce first and second so as to increasing The power consumption of the unit heating capacity of compression chamber, and the power consumption of the unit heating capacity of the 3rd compression chamber is lower and volume heating capacity is higher, So as to generally improve the coefficient of performance in heating and heating capacity of the relatively conventional single stage compress heat pump assembly of heat pump assembly.While the The pressure at expulsion of three compression chambers is identical with the second compression chamber but delivery temperature is relatively low so as to reduce the mixed temperature of exhaust, electricity Machine cooling is improved.Compressor 10 constitutes parallelly compressed mode of operation and main road refrigerant is by after cold in foregoing circulation, this When heat pump assembly be adapted to operate under low temperature or ultralow-temperature operation conditions, heat COP better than existing twin-stage Gas-supplying enthalpy-increasing heat pump assembly.Its In, letter C and letter D in figure represent outdoor unit and indoor set region respectively.
When heat pump assembly operates in normal temperature operating mode and condensation temperature is not higher, the 3rd valve 73 of opening is now needed to enter Row tonifying Qi, then second and third compression chamber (i.e. the 4th cylinder 16 in Fig. 6, the working chamber of the 3rd cylinder 15) is with identical suction Gaseity is so as to constitute pure Two-stage Compression second vapor injection mode of operation and main road refrigerant is by after cold, volume of now just arbitrarily downgrading Discharge capacity is than larger.Compressor swept volume under the mode of operation heats COP double with existing than being the relatively figure of merit under design conditions Level Gas-supplying enthalpy-increasing heat pump assembly is suitable.
When heat pump assembly operates in normal temperature operating mode and condensation temperature higher, now need to close the second valve 72, open First valve 71, the 3rd valve 73, the 3rd air entry of compressor 10 and the 3rd exhaust outlet respectively with the first air entry and second Exhaust outlet is connected, and the second air entry is connected with the bypass outlet of supercooling apparatus, so as to constitute Two-stage Compression tonifying Qi with parallel pressure Contract mixing mode of operation and main road refrigerant by after cold, swept volume of now just arbitrarily downgrading is smaller, heats COP better than existing There is twin-stage Gas-supplying enthalpy-increasing heat pump assembly.
When heat pump assembly operates in the small pressure ratio operating mode of underload, typically without after cold, now need to close the second valve The 72, the 3rd valve 73 of door, opens the first valve 71, the 3rd air entry of compressor 10 and the 3rd exhaust outlet respectively with the first air-breathing Mouthful connected with second exhaust port, thus constitute parallelly compressed mode of operation and main road refrigerant without after cold, heat COP with it is existing Twin-stage Gas-supplying enthalpy-increasing heat pump assembly is suitable.
Heat pump assembly major part operating mode in the present embodiment after being run under chill formula, under only a small number of operating modes nothing after Run under chill formula, such as heat pump assembly initial start stage, underload and the gentle operating condition of small pressure ratio.Therefore, with respect to single-stage pressure Contracting heat pump assembly, the lifting of season coefficient of performance in heating, heating capacity lifting under low temperature and ultralow-temperature operation conditions.The heat pump assembly compares twin-stage Compression Gas-supplying enthalpy-increasing heat pump assembly has more two kinds of compressor operating patterns and heats COP and optimized and improved, therefore season Coefficient of performance in heating is relative to be lifted.The heat pump assembly switching control structure compared with the prior art in compressor it is more simple and reliable, And it is higher than the compressor efficiency that the second cylinder of the prior art is under non-compressed mode working condition.
In the present embodiment, effective interior volume specific ratio of the 3rd compression chamber of compressor 10 and the first compression chamber be 0.05~ 0.25, further the interior volume specific ratio of optimization is 0.08~0.15.Second compression chamber of the compressor 10 and having for the first compression chamber Effect interior volume specific ratio is 0.6~0.75.
Bypass throttling arrangement, main road throttling arrangement are electric expansion valve, capillary or are electric expansion valve series connection capillary Orifice union etc..
Supercooling apparatus are the Intermediate Heat Exchanger with bilateral coolant channel.As shown in figure 4, in figure supercooling apparatus bilateral Refrigerant is counter-flow arrangement form, and down current arrangement form can also be used as an alternative.
Wherein, in air-conditioner coolant control system electromagnetism two-port valve (the first valve 71, the second valve 72) can also be by Three-way solenoid valve with equal function is substituted.
As shown in figure 5, be a kind of alternate embodiment system diagram of heat pump assembly in the present embodiment, it is different from optimum embodiment , the form of the supercooling apparatus in Fig. 5 is replaced by flash evaporation form by Intermediate Heat Exchanger, and corresponding bypass throttling arrangement is replaced Main road first throttle device i.e. throttling arrangement 76 is changed to, main road throttling arrangement is then changed into main road second throttling device i.e. throttling arrangement 75.In the alternate embodiment, indoor heat exchanger supercooling refrigerant out is down to middle pressure two-phase shape through the throttling of first throttle device State, the gas-liquid separation into supercooling apparatus, the gas separated enter compressor the 3rd compression chamber or with the first compression chamber Enter the second compression chamber after the gas mixing for ejecting, the liquid separated is gentle through second throttling device, outdoor heat exchanger Liquid/gas separator enters the first compression chamber of compressor or enters the 3rd compression chamber simultaneously, and (the is entered after compression through the first compression chamber Two compression chambers), the 3rd compression chamber be finally compressed to high pressure superheater refrigerant gas into compressor noise elimination cavity in, flow through motor Indoor heat exchanger is drained into by the exhaust outlet of compressor after winding.The first valve 71 is closed, when the second valve 72, the 3rd valve 73 are single When solely opening or open together, then supercooling apparatus have after cold effect to main road refrigerant.Conversely, the first valve 71 is opened, Close the second valve 72, the 3rd valve 73, then supercooling apparatus to main road refrigerant without after cold effect.
Do not exist heat transfer temperature difference in the embodiment supercooling apparatus, therefore with mistake higher when after operation under chill formula Cold effect.First and second throttling arrangement can be electric expansion valve, capillary etc. in the alternate embodiment.Mistake in the embodiment Device for cooling can be two-way flash evaporation, and increase necessary four-way reversing valve and realize refrigerating function.
The compression chamber of twin-tub three in the present embodiment can also be the compression chamber of three cylinder three, and three cylinder dimension scales will be serious after replacement Imbalance, such as R410A Air-source Heat Pump air-conditionings, the first compression chamber of frequency-changeable compressor needed for 3.5kW rated heats Swept volume is 10cm3/ rev, the then swept volume for calculating smaller cylinder by interior volume specific ratio 0.1 is 1cm3/rev.Wherein, herein Parallelly compressed finger in the presence of at least two compression chambers fluid different at least two-way respectively simultaneously be compressed.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.

Claims (17)

1. a kind of air-conditioner, it is characterised in that cross cold charge including the compressor (10) that is connected, First Heat Exchanger (20), tonifying Qi Put (30), the second heat exchanger (40), gas-liquid separator (60);Wherein,
Including pump body structure, the pump body structure includes multiple cylinders to the compressor (10), in multiple cylinders at least One includes main working chamber, and at least one of multiple described cylinders include back work chamber, the main working chamber and described auxiliary Working chamber is helped to be respectively provided with air entry and exhaust outlet;
The air entry in the back work chamber selectively with the gas-liquid separator (60) or the tonifying Qi supercooling apparatus (30) It is connected.
2. air-conditioner according to claim 1, it is characterised in that the multiple cylinder includes:
Multiple working chambers are formed with first cylinder (11), first cylinder (11), each working chamber is respectively provided with air entry And exhaust outlet, wherein, at least one of multiple described working chambers are the main working chamber or are the back work chamber.
3. air-conditioner according to claim 2, it is characterised in that first cylinder (11) including the first slide plate (12) and Be separated into for the inner chamber of first cylinder (11) by the second slide plate (13), first slide plate (12) and second slide plate (13) First working chamber and the second working chamber, first working chamber form the back work chamber.
4. air-conditioner according to claim 3, it is characterised in that first working chamber has the first air entry and first Exhaust outlet, first air entry is selectively connected with the gas-liquid separator (60) or the tonifying Qi supercooling apparatus (30) Logical, the first row gas port is connected with the First Heat Exchanger (20).
5. air-conditioner according to claim 4, it is characterised in that second working chamber has the second air entry and second Exhaust outlet, the second exhaust port is connected with the First Heat Exchanger (20), and the multiple cylinder also includes:
Second cylinder (14), positioned at the lower section of first cylinder (11), second cylinder (14) is with the 3rd working chamber, institute The 3rd working chamber is stated with the 3rd air entry and the 3rd exhaust outlet, the 3rd air entry is connected with the gas-liquid separator (60) Logical, the 3rd exhaust outlet is connected with second air entry.
6. air-conditioner according to claim 4, it is characterised in that connection first air entry and the gas-liquid separator (60) the first valve (71) is provided with pipeline.
7. air-conditioner according to claim 4, it is characterised in that connection first air entry crosses cold charge with the tonifying Qi The second valve (72) is provided with the pipeline for putting (30).
8. air-conditioner according to claim 5, it is characterised in that connection second air entry crosses cold charge with the tonifying Qi The 3rd valve (73) is provided with the pipeline for putting (30).
9. air-conditioner according to claim 1, it is characterised in that multiple cylinders are vertically set, it is each described Cylinder is respectively provided with a working chamber, and the working chamber is the main working chamber or is the back work chamber.
10. air-conditioner according to claim 9, it is characterised in that the multiple cylinder includes the 3rd cylinder, the described 3rd Cylinder has the 4th working chamber, and the 4th working chamber has the 4th air entry and the 4th exhaust outlet, and the 4th air entry can Selectively it is connected with second heat exchanger (40) or the tonifying Qi supercooling apparatus (30), the 4th exhaust outlet and described One heat exchanger (20) is connected.
11. air-conditioners according to claim 10, it is characterised in that the multiple cylinder includes the 4th cylinder and the 5th gas Cylinder, the 4th cylinder has the 5th working chamber, and the 5th working chamber has the 5th air entry and the 5th exhaust outlet, described the Five exhaust outlets are connected with the First Heat Exchanger (20), and the 5th cylinder has the 6th working chamber, the 6th working chamber With the 6th air entry and the 6th exhaust outlet, the 6th air entry is connected with second heat exchanger (40), and the described 6th Exhaust outlet is connected with the 5th air entry.
12. air-conditioners according to claim 1, it is characterised in that the tonifying Qi supercooling apparatus (30) include:
Flash evaporation (32), the water influent pipeline of the flash evaporation (32) is connected with the port of export of the First Heat Exchanger (20), institute The drain pipe road for stating flash evaporation (32) is connected with the entrance point of second heat exchanger (40), the outlet of the flash evaporation (32) Mouth is connected with the air entry in the back work chamber.
13. air-conditioners according to claim 1, it is characterised in that the entrance point of the tonifying Qi supercooling apparatus (30) and institute The port of export for stating First Heat Exchanger (20) is connected, the port of export and second heat exchanger of the tonifying Qi supercooling apparatus (30) (40) entrance point is connected, and the tonifying Qi supercooling apparatus (30) also include bypass (31), one end of the bypass (31) and institute The port of export for stating First Heat Exchanger (20) is connected, the other end of the bypass (31) and the air entry phase in the back work chamber Connection, throttling arrangement (74) is provided with the bypass (31).
14. air-conditioners according to claim 11, it is characterised in that the volume of the 4th working chamber and the 6th work Make the volumetric ratio in chamber for Q1, wherein, 0.05≤Q1≤0.25.
15. air-conditioners according to claim 11, it is characterised in that the volume of the 5th working chamber and the 6th work Make the volumetric ratio in chamber for Q2, wherein, 0.6≤Q2≤0.75.
16. air-conditioners according to claim 5, it is characterised in that the volume of first working chamber and the 3rd work Make the volumetric ratio in chamber for Q3, wherein, 0.05≤Q3≤0.25.
17. air-conditioners according to claim 5, it is characterised in that the volume of second working chamber and the 3rd work Make the volumetric ratio in chamber for Q4, wherein, 0.6≤Q4≤0.75.
CN201611079261.2A 2016-11-29 2016-11-29 Air-conditioner Pending CN106766292A (en)

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CN206222580U (en) * 2016-11-29 2017-06-06 珠海格力电器股份有限公司 Air-conditioner

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CN102128508A (en) * 2010-01-19 2011-07-20 珠海格力电器股份有限公司 Ejector throttling and vapor supplementing system and heat pump or refrigerating system vapor supplementing method
CN104101124A (en) * 2013-04-09 2014-10-15 珠海格力电器股份有限公司 Air conditioner
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