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CN104101125A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN104101125A
CN104101125A CN201310122182.5A CN201310122182A CN104101125A CN 104101125 A CN104101125 A CN 104101125A CN 201310122182 A CN201310122182 A CN 201310122182A CN 104101125 A CN104101125 A CN 104101125A
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China
Prior art keywords
compression chamber
circulation
air
compressor
main road
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Granted
Application number
CN201310122182.5A
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Chinese (zh)
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CN104101125B (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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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201310122182.5A priority Critical patent/CN104101125B/en
Publication of CN104101125A publication Critical patent/CN104101125A/en
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  • Air-Conditioning For Vehicles (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The invention provides an air conditioner, which comprises a compressor, a main circuit cycle and an auxiliary circuit cycle, wherein the main circuit cycle and the auxiliary circuit cycle are connected with the compressor; the air conditioner further includes a supercooling device provided in the main and sub-circuit cycles to supercool the refrigerant of the main circuit cycle. The air conditioner of the invention is provided with two compression cavities, wherein the first compression cavity of the compressor is connected in series in the main circuit cycle, and the second compression cavity is connected in series in the auxiliary circuit cycle; that is, when the compressor is operated, the refrigerant in the main circuit cycle and the refrigerant in the sub circuit cycle are compressed at the same time, so that one sub circuit compressor can be reduced, and the cost, the volume and the control complexity can be reduced. The sub-cooling degree of the main-path circulating refrigerant is improved by coupling the sub-cooling effect auxiliary-path circulation in the main-path circulation, so that the refrigerating capacity and the energy efficiency ratio of the air conditioner during refrigeration and the heating capacity and the heating performance coefficient during heating are effectively improved.

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, with the outdoor environment temperature decay rapidly that declines, causes when environment temperature is too low, and air source heat pump heating capacity is limited, need to open electric heater unit and with auxiliary heating, meet user and heat needs, has reduced the efficiency of source pump.
Utilize machinery to cross ability, Energy Efficiency Ratio or the coefficient of performance that cold circulation can significantly improve air-conditioning or source pump.A bypass circulation be coupled on the machinery basis that cold circulation need to circulate at main road excessively.Usually, increase a bypass circulation and need to increase a bypass compressor, cause the increase of cost, and increased the volume of air-conditioner and controlled complexity.
Summary of the invention
The present invention aims to provide a kind of air-conditioner of controlling simply and can effectively improving heating capacity and heating performance.
The invention provides a kind of air-conditioner, comprise compressor and the main road circulation being connected with compressor and bypass circulation, compressor comprises 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 comprises and being arranged in main road circulation and bypass circulation so that the excessively cold supercooling apparatus of cold-producing medium that main road circulates.
Further, compressor is two-spool compressor, and two-spool compressor comprises the first cylinder and the second cylinder, and the first cylinder has the first compression chamber, and the second cylinder has the second compression chamber; On the first cylinder, be provided with the first air entry and the first row gas port that are connected with the first compression chamber, the first compression chamber is connected in main road circulation by the first air entry and first row gas port; On the second cylinder, be provided with the second air entry and the second row gas port that are connected with the second compression chamber, the second compression chamber is connected in bypass circulation by the second air entry and second row gas port.
Further, compressor is single-rotor compressor, has a cylinder, is provided with the first slide plate and the second slide plate so that cylinder is divided into the first compression chamber and the second compression chamber in cylinder; The first air entry and the first row gas port being communicated with the first compression chamber is set on cylinder, and the second air entry being communicated with the second compression chamber and second row gas port, the first compression chamber is connected in main road circulation by the first air entry and first row gas port, and the second compression chamber is connected in bypass circulation by the second air entry and second row gas port.
Further, the capacity of the first compression chamber is VA, and the capacity of the second compression chamber is VB, wherein, and 0.05≤VB/VA≤0.25.
Further, supercooling apparatus is economizer, comprises the first refrigerant chamber and the second refrigerant chamber of mutual isolation heat exchange; The first refrigerant chamber is connected in main road circulation, and second refrigerant chamber is connected in bypass circulation.
Further, air-conditioner also comprises condenser, first throttle device, evaporimeter and the second throttling arrangement; The first refrigerant chamber of the first compression chamber, condenser, economizer, first throttle device and evaporimeter are connected in main road circulation successively; The second refrigerant chamber of the second compression chamber, condenser, the second throttling arrangement and economizer is connected in bypass circulation successively.
Further, supercooling apparatus is flash evaporation, and flash evaporation has arrival end, first port of export and second port of export, and first port of export is linked in main road circulation, and second port of export is linked in bypass circulation.
Further, air-conditioner also comprises condenser, first throttle device, evaporimeter and the second throttling arrangement; The first compression chamber, condenser, first throttle device and flash evaporation are connected successively and are connected to form main road by first port of export and the second throttling arrangement, evaporimeter and the first compression chamber and circulate; The second compression chamber, condenser, first throttle device and flash evaporation are connected successively and are connected with the second compression chamber through second port of export and form bypass circulation.
According to air-conditioner of the present invention, because compressor has two compression chambers, the first compression chamber of compressor is connected in main road circulation, and the second compression chamber is connected in bypass circulation; While being compressor operating, compress the cold-producing medium in main road circulation and bypass circulation simultaneously.Compare common machinery and cross the cold circulatory system and need two compressors to be separately positioned on during main road circulation and bypass circulate, the present invention can reduce by a bypass compressor, thereby reduces costs, the complexity of volume and control.The bypass by coupling in main road circulation with cold effect circulates, thereby improves the degree of supercooling of main road circulating refrigerant, refrigerating capacity and Energy Efficiency Ratio while effectively improving air-conditioner refrigeration, and heating capacity and and coefficient of performance in heating during heating condition.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the two-spool compressor with two suction mufflers of air-conditioner of the present invention;
Fig. 2 is according to the system schematic of the first embodiment of air-conditioner of the present invention; And
Fig. 3 is according to the system schematic of the second embodiment of air-conditioner of the present invention.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figures 1 to 3, according to air-conditioner of the present invention, comprise compressor 1 and the main road circulation being connected with compressor 1 and bypass circulation, compressor 1 comprises the first compression chamber A and the second compression chamber B, the first compression chamber A is connected in main road circulation, and the second compression chamber B is connected in bypass circulation; Air-conditioner also comprises and being arranged in main road circulation and bypass circulation so that the excessively cold supercooling apparatus 5 of cold-producing medium that main road circulates.Air-conditioner of the present invention, because compressor 1 has two compression chambers, the first compression chamber A of compressor is connected in main road circulation, and the second compression chamber B is connected in bypass circulation; While being compressor operating, compress the cold-producing medium in main road circulation and bypass circulation simultaneously.Compare common machinery and cross the cold circulatory system and need two compressors to be separately positioned on during main road circulation and bypass circulate, the present invention can reduce by a bypass compressor, thereby reduces costs, the complexity of volume and control.The bypass by coupling in main road circulation with cold effect circulates, thereby improves the degree of supercooling of main road circulating refrigerant, refrigerating capacity and Energy Efficiency Ratio while effectively improving air-conditioner refrigeration, and heating capacity and and coefficient of performance in heating during heating condition.
Concrete, as shown in Figure 1, the present invention adopts two-spool compressor, and two-spool compressor comprises that the first cylinder 10 and the second cylinder 20, the first cylinders 10 have the first compression chamber A, and the second cylinder 20 has the second compression chamber B; On the first cylinder 10, be provided with the first air entry and the first row gas port that are connected with the first compression chamber A, on the second cylinder 20, be provided with the second air entry and the second row gas port that are connected with the second compression chamber B.Two cylinders that are two-spool compressor of the present invention all have independently air entry and exhaust outlet, the work that two cylinders can be separate, thus the first cylinder 10 is worked alone in main road circulation, the second cylinder 20 works alone in bypass circulation.
The present invention's compressor also also can adopt single-rotor compressor, by the single-rotor compressor to common, improves, and two slide plates are set in the cylinder of single-rotor compressor, thereby cylinder is divided into two compression chambers, i.e. the first compression chamber A and the second compression chamber B.In order to make the first compression chamber A and the separate work of the second compression chamber B, on cylinder, corresponding the first compression chamber A and the second compression chamber B arrange separate air entry and exhaust outlet respectively, the second air entry and the second row gas port that the first air entry of being communicated with the first compression chamber A and first row gas port are set on cylinder and are communicated with the second compression chamber B.The first compression chamber A is connected in main road circulation by the first air entry and first row gas port, and to compress the cold-producing medium of main road circulation, the second compression chamber B is connected in bypass circulation by the second air entry and second row gas port, to compress the cold-producing medium of bypass circulation.
Preferably, the capacity of the first compression chamber A is VA, the capacity of the second compression chamber B is VB, wherein, 0.05≤VB/VA≤0.25, the Capacity Ratio of selection the first compression chamber A and the second compression chamber B, thereby control the refrigerant flow ratio of main road circulation and bypass circulation, while making main road circulation and bypass circulation coupling, can make the cold-producing medium of main road circulation reach preferably degree of supercooling, thereby make air-conditioner can reach preferably Energy Efficiency Ratio or the coefficient of performance.
In the first embodiment of air-conditioner of the present invention as shown in Figure 2, supercooling apparatus 5 is economizer, comprises the first refrigerant chamber and the second refrigerant chamber of mutual isolation heat exchange; The first refrigerant chamber is connected in main road circulation, and second refrigerant chamber is connected in bypass circulation.
Particularly, as shown in Figure 2, the exhaust of the exhaust of the first row gas port of the first cylinder 10 of compressor 1 and the second row gas port of the second cylinder 20 is divided into the first branch road (main road) and the second branch road (bypass) after condenser 3, the cold-producing medium of the first branch road enters the first refrigerant chamber of economizer and is crossed cold the first air entry of compressor 1 first cylinder 10 that enters by evaporimeter 2 by first throttle device 401 reducing pressure by regulating flows, first row gas port from compressor 1 after refrigerant gas compresses in the first compression chamber A is discharged, and forms main road circulation.The second refrigerant chamber heat absorption that the cold-producing medium of the second branch road (bypass) enters economizer after the second throttling arrangement 402 reducing pressure by regulating flows enters the second air entry of the second cylinder 20 of compressor 1 completely after evaporation, second row gas port from compressor 1 after refrigerant gas compresses in the second compression chamber B is discharged, and forms bypass circulation.Bypass circulation and main road are coupled by economizer, thereby make the cold-producing medium of main road circulation excessively cold, and make the cold-producing medium of bypass circulation evaporate gasification completely, thereby effectively improved the heating capacity of air-conditioner, the in the situation that of equal heating capacity, effectively reduce energy consumption, improve coefficient of performance in heating.
In the second embodiment of air-conditioner of the present invention as shown in Figure 3, supercooling apparatus 5 is flash evaporation, and flash evaporation has arrival end, first port of export and second port of export, and first port of export is linked in main road circulation, and second port of export is linked in bypass circulation.
Particularly, as shown in Figure 3, the first cylinder of compressor 1 and the exhaust of the second cylinder enter flash evaporation after condenser 3, first throttle device 401, in flash evaporation, refrigerant air-liquid is separated, saturated liquid after separation enters the first branch road, and enter through the second throttling arrangement 402 reducing pressure by regulating flows the first air entry that enters the first cylinder 10 of compressor 1 after evaporimeter 2 heat absorptions are evaporated, first row gas port from compressor 1 after refrigerant gas compresses in the first compression chamber A is discharged, and forms main road circulation.The saturated gas of separating in flash evaporation enters the second branch road, the gas refrigerant of the second branch road enters the second air entry of the second cylinder of compressor 1, refrigerant gas after compression from the second row gas port discharge of compressor 1, forms bypass circulation in the second compression chamber B.By main road, circulate and bypass circulation coupling work, thereby effectively improve the heating capacity of air-conditioner under low temperature condition, in equal heating capacity decline low energy consumption, improve 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, can be also micro-channel heat exchanger and miniature case tube heat exchanger.The flash evaporation of air-conditioner of the present invention can be unidirectional flash evaporation or two-way flash evaporation, can be also that other have the flash evaporation of mending gas carrying liquid function.First throttle device 401 and the second throttling arrangement 402 can be capillary, restriction sleeve, 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 add the parts such as necessary four-way change-over valve 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 have realized following technique effect:
According to air-conditioner of the present invention, because compressor has two compression chambers, the first compression chamber of compressor is connected in main road circulation, and the second compression chamber is connected in bypass circulation; While being compressor operating, compress the cold-producing medium in main road circulation and bypass circulation simultaneously.Compare common machinery and cross the cold circulatory system and need two compressors to be separately positioned on during main road circulation and bypass circulate, the present invention can reduce by a bypass compressor, thereby reduces costs, the complexity of volume and control.The bypass by coupling in main road circulation with cold effect circulates, thereby improves the degree of supercooling of main road circulating refrigerant, refrigerating capacity and Energy Efficiency Ratio while effectively improving air-conditioner refrigeration, and heating capacity and and coefficient of performance in heating during heating condition.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (8)

1. an air-conditioner, comprises compressor (1) and the main road circulation being connected with described compressor (1) and bypass circulation, it is characterized in that,
Described compressor (1) comprises the first compression chamber (A) and the second compression chamber (B), and described the first compression chamber (A) is connected in described main road circulation, and described the second compression chamber (B) is connected in described bypass circulation;
Described air-conditioner also comprises and being arranged in the circulation of described main road and the circulation of described bypass so that the excessively cold supercooling apparatus (5) of cold-producing medium that described main road circulates.
2. air-conditioner according to claim 1, is characterized in that,
Described compressor (1) is two-spool compressor, described two-spool compressor comprises the first cylinder (10) and the second cylinder (20), described the first cylinder (10) has described the first compression chamber (A), and described the second cylinder (20) has described the second compression chamber (B);
On described the first cylinder (10), be provided with the first air entry and the first row gas port that are connected with described the first compression chamber (A), described the first compression chamber (A) is connected in described main road circulation by described the first air entry and first row gas port; On described the second cylinder (20), be provided with the second air entry and the second row gas port that are connected with described the second compression chamber (B), described the second compression chamber (B) is connected in described bypass circulation by described the second air entry and second row gas port.
3. air-conditioner according to claim 1, is characterized in that,
Described compressor (1) is single-rotor compressor, has a cylinder, is provided with the first slide plate and the second slide plate so that described cylinder is divided into described the first compression chamber (A) and described the second compression chamber (B) in described cylinder;
The first air entry and the first row gas port being communicated with described the first compression chamber (A) is set on described cylinder, and the second air entry and the second row gas port that are communicated with described the second compression chamber (B), described the first compression chamber (A) is connected in described main road circulation by described the first air entry and first row gas port, and described the second compression chamber (B) is connected in described bypass circulation by described the second air entry and second row gas port.
4. according to the air-conditioner described in any one in claims 1 to 3, it is characterized in that,
The capacity of described the first compression chamber (A) is VA, and the capacity of described the second compression chamber (B) is VB, wherein, and 0.05≤VB/VA≤0.25.
5. air-conditioner according to claim 1, is characterized in that,
Described supercooling apparatus (5) is economizer, comprises the first refrigerant chamber and the second refrigerant chamber of mutual isolation heat exchange;
Described the first refrigerant chamber is connected in described main road circulation, and described second refrigerant chamber is connected in described bypass circulation.
6. air-conditioner according to claim 5, is characterized in that,
Described air-conditioner also comprises condenser (3), first throttle device (401), evaporimeter (2) and the second throttling arrangement (402);
The first refrigerant chamber of described the first compression chamber (A), described condenser (3), described economizer, described first throttle device (401) and described evaporimeter (2) are connected in described main road circulation successively;
The second refrigerant chamber of described the second compression chamber (B), described condenser (3), described the second throttling arrangement (402) and described economizer is connected in described bypass circulation successively.
7. air-conditioner according to claim 1, is characterized in that,
Described supercooling apparatus (5) is flash evaporation, and described flash evaporation has arrival end, first port of export and second port of export, and described first port of export is linked in described main road circulation, and described second port of export is linked in described bypass circulation.
8. air-conditioner according to claim 7, is characterized in that,
Described air-conditioner also comprises condenser (3), first throttle device (401), evaporimeter (2) and the second throttling arrangement (402);
Described the first compression chamber (A), described condenser (3), described first throttle device (401) and described flash evaporation are connected successively and are passed through described first port of export and described the second throttling arrangement (402), described evaporimeter (2) and described the first compression chamber (A) and be connected to form described main road circulation;
Described the second compression chamber (B), described condenser (3), described first throttle device (401) are connected successively with described flash evaporation and are passed through described second port of export and be connected with described the second compression chamber (B) and form described bypass circulation.
CN201310122182.5A 2013-04-09 2013-04-09 air conditioner Active CN104101125B (en)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN105605817A (en) * 2016-03-14 2016-05-25 珠海格力节能环保制冷技术研究中心有限公司 Refrigerating system
CN106225295A (en) * 2016-08-31 2016-12-14 广东美芝制冷设备有限公司 Refrigeration system
CN106382760A (en) * 2016-08-31 2017-02-08 广东美芝制冷设备有限公司 Compressor and refrigerating system thereof
CN106801953A (en) * 2016-11-29 2017-06-06 珠海格力电器股份有限公司 Air conditioner
CN111121335A (en) * 2018-10-31 2020-05-08 安徽美芝精密制造有限公司 Air conditioning system
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle
CN113503620A (en) * 2021-07-14 2021-10-15 珠海格力电器股份有限公司 Air conditioning system control method and device, storage medium and air conditioning system
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105605817A (en) * 2016-03-14 2016-05-25 珠海格力节能环保制冷技术研究中心有限公司 Refrigerating system
CN106225295A (en) * 2016-08-31 2016-12-14 广东美芝制冷设备有限公司 Refrigeration system
CN106382760A (en) * 2016-08-31 2017-02-08 广东美芝制冷设备有限公司 Compressor and refrigerating system thereof
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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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CN113503620A (en) * 2021-07-14 2021-10-15 珠海格力电器股份有限公司 Air conditioning system control method and device, storage medium and air conditioning system

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