CN104101125B - Air-conditioner - Google Patents

Air-conditioner Download PDF

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Publication number
CN104101125B
CN104101125B CN201310122182.5A CN201310122182A CN104101125B CN 104101125 B CN104101125 B CN 104101125B CN 201310122182 A CN201310122182 A CN 201310122182A CN 104101125 B CN104101125 B CN 104101125B
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Prior art keywords
compression chamber
circulation
air
main road
bypass
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CN201310122182.5A
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CN104101125A (en
Inventor
梁祥飞
郑波
吴迎文
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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 invention provides a kind of air-conditioner, the main road circulation including compressor and being connected with compressor and bypass circulation, compressor includes the first compression chamber and the second compression chamber, and the first compression chamber is connected in main road circulation, and the second compression chamber is connected in bypass circulation;Air-conditioner also includes being arranged on main road circulation and bypass circulate in so that the supercool supercooling apparatus of the cold-producing medium of main road circulation.The air-conditioner of the present invention has two compression chambers due to compressor, and the first compression chamber of compressor is connected in main road circulation, and the second compression chamber is connected in bypass circulation;I.e. during compressor operating, the cold-producing medium during the circulation of compression main road and bypass circulate simultaneously, such that it is able to reduce by a bypass compressor, reduces cost, volume and the complexity of control.Circulate by being coupled with the bypass of supercool effect in circulating at main road, thus improve the degree of supercooling of main road circulating refrigerant, be effectively improved refrigerating capacity when air-conditioner freezes and Energy Efficiency Ratio, heating capacity when heating and coefficient of performance in heating.

Description

Air-conditioner
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioner.
Background technology
Air source heat pump heating capacity declines decay rapidly with outdoor environment temperature, causes when ambient temperature is too low, air source heat Heat pump heating is limited in one's ability, needs unlatching electric heater unit to meet user with auxiliary heating and heats needs, reduces the energy of source pump Effect.
Utilize mechanical super cooling circulation can significantly improve air-conditioning or the ability of source pump, Energy Efficiency Ratio or the coefficient of performance.Mechanical super cooling Circulation needs to couple a bypass circulation on the basis of main road circulates.Usually, increase a bypass circulation to need to increase by one Bypass compressor, causes the increase of cost, and increases the volume of air-conditioner and control complexity.
Summary of the invention
Simple and that heating capacity and heating performance can be effectively improved air-conditioner is controlled it is desirable to provide a kind of.
The invention provides a kind of air-conditioner, the main road circulation including compressor and being connected and bypass circulation, compressor with compressor Including the first compression chamber and the second compression chamber, the first compression chamber is connected in main road circulation, and the second compression chamber is connected on bypass circulation In;Air-conditioner also includes being arranged on main road circulation and bypass circulate in so that the supercool supercooling apparatus of the cold-producing medium of main road circulation.
Further, compressor is two-spool compressor, and two-spool compressor includes the first cylinder and the second cylinder, the first cylinder Having the first compression chamber, the second cylinder has the second compression chamber;First be connected with the first compression chamber it is provided with on first cylinder Air entry and first row QI KOU, the first compression chamber is connected in main road circulation by the first air entry and first row QI KOU;Second gas Be provided with the second air entry and second exhaust port being connected with the second compression chamber on cylinder, the second compression chamber by the second air entry and Second exhaust port is connected in bypass circulation.
Further, compressor is single-rotor compressor, has a cylinder, is provided with the first slide plate and the second slide plate in cylinder So that cylinder is divided into the first compression chamber and the second compression chamber;The first air entry of connecting with the first compression chamber and the is set on cylinder One air vent, and the second air entry of connecting with the second compression chamber and second exhaust port, the first compression chamber passes through the first air entry Being connected in main road circulation with first row QI KOU, the second compression chamber is connected on bypass by the second air entry and second exhaust port and circulates In.
Further, the capacity of the first compression chamber is VA, and the capacity of the second compression chamber is VB, wherein, 0.05≤VB/VA≤0.25.
Further, supercooling apparatus is economizer, including mutually isolated and the first refrigerant chamber of heat exchange and second refrigerant chamber; First refrigerant chamber is connected in main road circulation, and second refrigerant chamber is connected in bypass circulation.
Further, air-conditioner also includes condenser, first throttle device, vaporizer and the second throttling arrangement;First compression chamber, Condenser, the first refrigerant chamber of economizer, first throttle device and vaporizer are sequentially connected in series in main road circulates;Second compression The second refrigerant chamber of chamber, condenser, the second throttling arrangement and economizer is sequentially connected in series in bypass circulates.
Further, supercooling apparatus is flash evaporation, and flash evaporation has arrival end, first port of export and second port of export, and first goes out Mouth end is linked in main road circulation, and second port of export is linked in bypass circulation.
Further, air-conditioner also includes condenser, first throttle device, vaporizer and the second throttling arrangement;First compression chamber, Condenser, first throttle device and flash evaporation are sequentially connected in series and pass through first port of export and the second throttling arrangement, vaporizer and first Compression chamber connects formation main road circulation;Second compression chamber, condenser, first throttle device and flash evaporation is sequentially connected in series and through Two ports of export and the second compression chamber are connected and form bypass circulation.
According to the air-conditioner of the present invention, owing to compressor has two compression chambers, the first compression chamber of compressor is connected on main road and follows In ring, the second compression chamber is connected in bypass circulation;I.e. during compressor operating, during the circulation of compression main road and bypass circulate simultaneously Cold-producing medium.Comparing common mechanical super cooling blood circulation needs two compressors to be separately positioned in main road circulation and bypass circulation, The present invention can reduce by a bypass compressor, thus reduces the complexity of cost, volume and control.By following at main road In ring, coupling has the bypass circulation of supercool effect, thus improves the degree of supercooling of main road circulating refrigerant, is effectively improved air-conditioner Refrigerating capacity during refrigeration and Energy Efficiency Ratio, and heating capacity during heating condition and and coefficient of performance in heating.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the two-spool compressor with two suction mufflers of the air-conditioner according to the present invention;
Fig. 2 is the system schematic of the first embodiment of the air-conditioner according to the present invention;And
Fig. 3 is the system schematic of the second embodiment of the air-conditioner according to the present invention.
Detailed description of the invention
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figures 1 to 3, according to the air-conditioner of the present invention, the main road circulation that including compressor 1 and is connected with compressor 1 and Bypass circulates, and compressor 1 includes that the first compression chamber A and the second compression chamber B, the first compression chamber A are connected in main road circulation, Second compression chamber B is connected in bypass circulation;Air-conditioner also includes being arranged in main road circulation and bypass circulation so that main road circulates The supercool supercooling apparatus 5 of cold-producing medium.The air-conditioner of the present invention, owing to compressor 1 has two compression chambers, the first of compressor Compression chamber A is connected in main road circulation, and the second compression chamber B is connected in bypass circulation;I.e. during compressor operating, compress simultaneously Cold-producing medium in main road circulation and bypass circulation.Comparing common mechanical super cooling blood circulation needs two compressors to be separately positioned on During main road circulation and bypass circulate, the present invention can reduce by a bypass compressor, thus reduces cost, volume and control Complexity.The bypass by coupling in circulating at main road with supercool effect is circulated, thus improves the mistake of main road circulating refrigerant Cold degree, refrigerating capacity when being effectively improved air-conditioner refrigeration and Energy Efficiency Ratio, and heating capacity during heating condition and and heating performance Coefficient.
Concrete, as it is shown in figure 1, the present invention uses two-spool compressor, two-spool compressor to include the first cylinder 10 and second Cylinder 20, the first cylinder 10 has the first compression chamber A, and the second cylinder 20 has the second compression chamber B;Set on first cylinder 10 It is equipped with the first air entry and first row QI KOU being connected with the first compression chamber A, the second cylinder 20 is provided with and the second compression chamber The second air entry that B is connected and second exhaust port.I.e. two cylinders of the two-spool compressor of the present invention are respectively provided with independent air-breathing Mouthful and air vent, the work that two cylinders can be separate so that the first cylinder 10 works alone in main road circulates, the Two cylinders 20 work alone in bypass circulates.
Present invention compressor also can also use single-rotor compressor, by improving common single-rotor compressor, at single turn The cylinder of sub-compressor arranges two slide plates, thus cylinder is divided into two compression chambers, the i.e. first compression chamber A and second pressure Contracting chamber B.In order to make the first compression chamber A and the second work separate for compression chamber B, the most corresponding first compression on cylinder Chamber A and the second compression chamber B arranges what setting on separate air entry and air vent, i.e. cylinder connected with the first compression chamber A The second air entry that first air entry with first row QI KOU and connects with the second compression chamber B and second exhaust port.First compression chamber A It is connected in main road circulation by the first air entry and first row QI KOU, to compress the cold-producing medium of main road circulation, the second compression chamber B It is connected in bypass circulation by the second air entry and second exhaust port, to compress the cold-producing medium of bypass circulation.
Preferably, the capacity of the first compression chamber A is VA, and the capacity of the second compression chamber B is VB, wherein, 0.05≤VB/VA≤0.25, Select the first compression chamber A and the Capacity Ratio of the second compression chamber B, thus control main road circulation and the refrigerant flow ratio of bypass circulation, When making main road circulation and bypass circulation coupling, it is possible to the cold-producing medium making main road circulate reaches preferably degree of supercooling, so that air-conditioning Device can reach preferably Energy Efficiency Ratio or the coefficient of performance.
In the first embodiment of the air-conditioner of the present invention as shown in Figure 2, supercooling apparatus 5 is economizer, including mutually isolated also First refrigerant chamber of heat exchange and second refrigerant chamber;First refrigerant chamber is connected in main road circulation, connects in second refrigerant chamber In bypass circulates.
Specifically, as in figure 2 it is shown, the aerofluxus of the first row QI KOU of the first cylinder 10 of compressor 1 and the of the second cylinder 20 The aerofluxus of two air vents is divided into the first branch road (main road) and the second branch road (bypass), the refrigeration of the first branch road after condenser 3 First refrigerant chamber of agent entrance economizer enters compression through vaporizer 2 after being too cold after first throttle device 401 reducing pressure by regulating flow First air entry of machine 1 first cylinder 10, refrigerant gas compress in the first compression chamber A after from the first row of compressor 1 QI KOU is discharged, and forms main road circulation.The cold-producing medium of the second branch road (bypass) enters after the second throttling arrangement 402 reducing pressure by regulating flow The second air entry of the second cylinder 20 of compressor 1, cold-producing medium gas is entered after the second refrigerant chamber heat absorption evaporation completely of economizer Body is discharged from the second exhaust port of compressor 1 after compressing in the second compression chamber B, forms bypass circulation.Bypass circulation and main road Being coupled by economizer, so that the cold-producing medium of main road circulation is supercool, and the cold-producing medium making bypass circulate evaporates gasification completely, from And it is effectively improved the heating capacity of air-conditioner, in the case of equal heating capacity, it is effectively reduced energy consumption, i.e. improves heating property Can coefficient.
In second embodiment of the air-conditioner of the present invention as shown in Figure 3, supercooling apparatus 5 is flash evaporation, and flash evaporation has entrance End, first port of export and second port of export, first port of export is linked in main road circulation, and second port of export is linked into bypass circulation In.
Specifically, as it is shown on figure 3, the aerofluxus of the first cylinder of compressor 1 and the second cylinder is through condenser 3, first throttle dress Entering flash evaporation after putting 401, in flash evaporation, refrigerant air-liquid separates, and the saturated liquid after separation enters the first branch road, and The first of the first cylinder 10 entering compressor 1 after vaporizer 2 heat absorption is evaporated is entered through the second throttling arrangement 402 reducing pressure by regulating flow Air entry, refrigerant gas is discharged from the first row QI KOU of compressor 1 after compressing in the first compression chamber A, forms main road circulation. The saturated gas separated in flash evaporation enters the second branch road, and the gas refrigerant of the second branch road enters the second of compressor 1 Second air entry of cylinder, refrigerant gas discharges from the second exhaust port of compressor 1 in the second compression chamber B after compression, Formation bypass circulates.Circulate coupling operational by main road circulation and bypass, thus be effectively improved air-conditioner at low temperatures Heating capacity, declines low energy consumption at equal heating capacity, improves coefficient of performance in heating.
The structure of the economizer of air-conditioner of the present invention can be double-tube heat exchanger, plate type heat exchanger, it is also possible to is micro-channel heat exchanger With miniature case tube heat exchanger.The flash evaporation of the air-conditioner of the present invention can be unidirectional flash evaporation or two-way flash evaporation, it is also possible to is it He has the flash evaporation mending gas carrying liquid function.First throttle device 401 and the second throttling arrangement 402 can be capillary tube, throttling Short tube, heating power expansion valve, electric expansion valve or aforementioned any reasonable combination.The main road circulation of air-conditioner of the present invention and bypass circulate Can plus parts such as necessary four-way change-over valves adapting to refrigeration, heat or the application scenario such as water heating.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
According to the air-conditioner of the present invention, owing to compressor has two compression chambers, the first compression chamber of compressor is connected on main road and follows In ring, the second compression chamber is connected in bypass circulation;I.e. during compressor operating, during the circulation of compression main road and bypass circulate simultaneously Cold-producing medium.Comparing common mechanical super cooling blood circulation needs two compressors to be separately positioned in main road circulation and bypass circulation, The present invention can reduce by a bypass compressor, thus reduces the complexity of cost, volume and control.By following at main road In ring, coupling has the bypass circulation of supercool effect, thus improves the degree of supercooling of main road circulating refrigerant, is effectively improved air-conditioner Refrigerating capacity during refrigeration and Energy Efficiency Ratio, and heating capacity during heating condition and and coefficient of performance in heating.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc. With replacement, improvement etc., should be included within the scope of the present invention.

Claims (7)

1. an air-conditioner, the main road circulation including compressor (1) and being connected with described compressor (1) and bypass circulation, it is special Levy and be,
Described compressor (1) includes the first compression chamber (A) and the second compression chamber (B), described first compression chamber (A) Being connected in the circulation of described main road, described second compression chamber (B) is connected in the circulation of described bypass;
Described air-conditioner also includes being arranged on the circulation of described main road and described bypass circulate in so that the refrigeration of described main road circulation The supercooling apparatus (5) that agent is supercool,
The capacity of described first compression chamber (A) is VA, and the capacity of described second compression chamber (B) is VB, wherein, 0.05≤VB/VA≤0.25。
Air-conditioner the most according to claim 1, it is characterised in that
Described compressor (1) is two-spool compressor, and described two-spool compressor includes the first cylinder (10) and the second gas Cylinder (20), described first cylinder (10) has described first compression chamber (A), and described second cylinder (20) has described Second compression chamber (B);
The first air entry being connected with described first compression chamber (A) and first row it is provided with on described first cylinder (10) QI KOU, described first compression chamber (A) is connected in the circulation of described main road by described first air entry and first row QI KOU; The second air entry being connected with described second compression chamber (B) and second exhaust port it is provided with on described second cylinder (20), Described second compression chamber (B) is connected in the circulation of described bypass by described second air entry and second exhaust port.
Air-conditioner the most according to claim 1, it is characterised in that
Described compressor (1) is single-rotor compressor, has a cylinder, is provided with the first slide plate and in described cylinder Two slide plates are so that described cylinder is divided into described first compression chamber (A) and described second compression chamber (B);
The first air entry of connecting with described first compression chamber (A) and first row QI KOU be set on described cylinder, and with institute Stating the second air entry and second exhaust port that the second compression chamber (B) connects, described first compression chamber (A) is by described the One air entry and first row QI KOU are connected in the circulation of described main road, and described second compression chamber (B) is by described second air-breathing Mouth and second exhaust port are connected in the circulation of described bypass.
Air-conditioner the most according to claim 1, it is characterised in that
Described supercooling apparatus (5) is economizer, including mutually isolated and the first refrigerant chamber of heat exchange and second refrigerant chamber;
Described first refrigerant chamber is connected in the circulation of described main road, and described second refrigerant chamber is connected on the circulation of described bypass In.
Air-conditioner the most according to claim 4, it is characterised in that
Described air-conditioner also includes condenser (3), first throttle device (401), vaporizer (2) and the second throttling arrangement (402);
Described first compression chamber (A), described condenser (3), the first refrigerant chamber of described economizer, described first segment Stream device (401) and described vaporizer (2) are sequentially connected in series in described main road circulates;
Described second compression chamber (B), described condenser (3), described second throttling arrangement (402) and described economizer Second refrigerant chamber is sequentially connected in series in described bypass circulates.
Air-conditioner the most according to claim 1, it is characterised in that
Described supercooling apparatus (5) is flash evaporation, and described flash evaporation has arrival end, first port of export and the second outlet End, described first port of export is linked in the circulation of described main road, and described second port of export is linked in the circulation of described bypass.
Air-conditioner the most according to claim 6, it is characterised in that
Described air-conditioner also includes condenser (3), first throttle device (401), vaporizer (2) and the second throttling arrangement (402);
Described first compression chamber (A), described condenser (3), described first throttle device (401) and described flash evaporation depend on Secondary series connection also passes through described first port of export and described second throttling arrangement (402), described vaporizer (2) and described first Compression chamber (A) connects formation described main road circulation;
Described second compression chamber (B), described condenser (3), described first throttle device (401) and described flash evaporation depend on Secondary series connection is also connected with described second compression chamber (B) formation described bypass circulation through described second port of export.
CN201310122182.5A 2013-04-09 2013-04-09 Air-conditioner Active CN104101125B (en)

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Publication number Priority date Publication date Assignee Title
CN105605817B (en) * 2016-03-14 2018-04-20 珠海格力节能环保制冷技术研究中心有限公司 A kind of refrigeration system
CN106225295A (en) * 2016-08-31 2016-12-14 广东美芝制冷设备有限公司 Refrigeration system
WO2019082168A1 (en) 2017-10-27 2019-05-02 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle
CN111121335A (en) * 2018-10-31 2020-05-08 安徽美芝精密制造有限公司 Air conditioning system

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JP2001201194A (en) * 2000-01-18 2001-07-27 Matsushita Refrig Co Ltd Cold storage system with deep freezer
CN1534254A (en) * 2003-03-27 2004-10-06 三洋电机株式会社 Refrigerant circulation device
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