CN112460858B - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN112460858B
CN112460858B CN202011385404.9A CN202011385404A CN112460858B CN 112460858 B CN112460858 B CN 112460858B CN 202011385404 A CN202011385404 A CN 202011385404A CN 112460858 B CN112460858 B CN 112460858B
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Prior art keywords
liquid
heat exchange
gas
heat exchanger
communicated
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CN202011385404.9A
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CN112460858A (en
Inventor
张文天
肖开国
田裕兴
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • 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
    • F25B2400/23Separators

Abstract

The invention relates to the technical field of air conditioners, in particular to an air conditioner. The air conditioner includes: the outdoor unit and the indoor unit are communicated, a gas-liquid separator is arranged between the throttling device of the outdoor unit and the first heat exchanger of the indoor unit, and the gas-liquid separator is used for carrying out gas-liquid separation on gas-liquid mixed refrigerant flowing out of the throttling device and then conveying the gas-liquid mixed refrigerant to the first heat exchanger for heat exchange treatment.

Description

Air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner.
Background
In the prior art, in a cooling mode of the air conditioner, the refrigerant throttled by the throttling device is a gas-liquid mixed refrigerant, and at the moment, gas is mixed in the liquid refrigerant in a form of bubbles, so that the bubbles are broken in the process that the refrigerant enters a heat exchanger of the indoor unit to exchange heat, thereby generating liquid flow sound which is like 'guru-lu-guru' and boiled water, particularly when a user has a rest at night, the user can adjust the air conditioner to a silent gear or a low-wind gear, and at the moment, the liquid flow sound is more obvious, so that the sleeping quality of the user is influenced, and the comfort level of the user is reduced.
Disclosure of Invention
An object of this application is to provide an air conditioner to solve among the prior art refrigerant entering indoor set and carry out the problem that the heat transfer in-process produced the liquid flow sound.
Technical scheme (I)
To achieve the above object, the present invention provides an air conditioner comprising: the air-liquid separator is used for carrying out air-liquid separation on air-liquid mixed refrigerants flowing out of the throttling device and then conveying the refrigerants to the first heat exchanger for heat exchange treatment.
Optionally, the first heat exchanger includes: the inlet end of the gas heat exchange tube is communicated with one outlet end of the gas-liquid separator, the inlet end of the liquid heat exchange tube is communicated with the other outlet end of the gas-liquid separator, and the outlet end of the gas heat exchange tube is communicated with the outlet end of the liquid heat exchange tube and then communicated with a compressor suction port of the indoor unit.
Optionally, the number of the liquid heat exchange tubes is set to be N, wherein N is larger than or equal to 1.
Optionally, the N liquid heat exchange tubes are connected in parallel or in series.
Optionally, the first heat exchanger further includes: the inlet end of the flow divider is communicated with one of the outlet ends of the gas-liquid separator, and the outlet end of the flow divider is communicated with the inlet ends of the liquid heat exchange tubes arranged on each branch in a one-to-one correspondence mode.
Optionally, the number of the liquid heat exchange tubes on each branch is set to be M, wherein M is more than or equal to 1.
Optionally, a capillary tube is further communicated with the refrigerant tube between every two adjacent liquid heat exchange tubes, and the plurality of capillary tubes are communicated with the refrigerant tube arranged between the throttling device and the first heat exchanger after being converged by the gas collector.
Optionally, the length of the gas heat exchange tube is less than the total length of the N liquid heat exchange tubes.
Optionally, the outdoor unit includes: the compressor is communicated with the inlet end of the second heat exchanger through one outlet of the four-way valve, and the outlet end of the second heat exchanger is communicated with the inlet end of the throttling device.
Optionally, a gas-liquid separator is further disposed between the second heat exchanger and the throttling device.
(II) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
the present invention provides an air conditioner, comprising: the outdoor unit and the indoor unit are communicated, a gas-liquid separator is arranged between the throttling device of the outdoor unit and the first heat exchanger of the indoor unit, and the gas-liquid separator is used for carrying out gas-liquid separation on gas-liquid mixed refrigerant flowing out of the throttling device and then conveying the gas-liquid mixed refrigerant to the first heat exchanger for heat exchange treatment.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for a person skilled in the art that other drawings can be obtained according to the drawings without inventive exercise, wherein:
FIG. 1 is a schematic structural view of an embodiment of an air conditioner according to the present invention;
FIG. 2 is a schematic diagram of the construction of one embodiment of a first heat exchanger according to the present invention;
FIG. 3 is a schematic structural view of another embodiment of an air conditioner according to the present invention;
fig. 4 is a schematic structural view of another embodiment of the first heat exchanger of the present invention.
In the figure: 1. a throttling device; 2. a first heat exchanger; 3. a gas-liquid separator; 4. a gas heat exchange tube; 5. a liquid heat exchange tube; 6. a compressor; 7. a flow divider; 8. a capillary tube; 9. a gas collector; 10. a four-way valve; 11. a second heat exchanger.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the following figures and detailed description:
in order to solve the problem that liquid flow sound is generated in the process that a refrigerant enters an indoor unit to exchange heat in the prior art, as shown in fig. 1-4, the application provides an air conditioner, which comprises: outdoor unit and indoor set that are linked together, be equipped with vapour and liquid separator 3 between throttling arrangement 1 of outdoor unit and the first heat exchanger 2 of indoor set, vapour and liquid separator 3 is used for carrying out gas-liquid separation with the gas-liquid mixture refrigerant that throttling arrangement 1 flows out after, carry and carry out the heat transfer processing for first heat exchanger 2, this scheme adopts above-mentioned design, can realize carrying out gas-liquid separation at first with the refrigerant via throttling arrangement 1 throttled, carry out the heat transfer processing in giving first heat exchanger 2 again, thereby effectively avoid producing the liquid stream sound in the first heat exchanger 2, improve user's comfort level.
Specifically, the outdoor unit includes: the compressor 6 is communicated with the inlet end of the second heat exchanger through one outlet of the four-way valve 10, and the outlet end of the second heat exchanger is communicated with the inlet end of the throttling device 1.
According to one embodiment of the invention, the first heat exchanger 2 comprises: the heat exchanger comprises a gas heat exchange tube 4 and a liquid heat exchange tube 5 which are connected in parallel, wherein the inlet end of the gas heat exchange tube 4 is communicated with one outlet end of the gas-liquid separator 3, the inlet end of the liquid heat exchange tube 5 is communicated with the other outlet end of the gas-liquid separator 3, and the outlet end of the gas heat exchange tube 4 is communicated with the outlet end of the liquid heat exchange tube 5 and then communicated with an air suction port of a compressor 6 of an indoor unit.
According to one embodiment of the invention the number of liquid heat exchange tubes 5 is set to N, wherein N ≧ 1, preferably the length of the gas heat exchange tube 4 is less than the total length of the N liquid heat exchange tubes 5.
Specifically, N liquid heat exchange tubes 5 may be connected in parallel or in series, for example, when N is 1, a gas heat exchange tube 4 and a liquid heat exchange tube 5 are connected in parallel in the air conditioner of the present application, and are both communicated with the gas-liquid separator 3, when the air conditioner is in a cooling operation, the first heat exchanger 2 of the indoor unit is an evaporator, and the second heat exchanger of the outdoor unit is a condenser, and the working process is as follows: firstly, gaseous refrigerant formed after acting through a compressor 6 enters a condenser through a four-way valve 10 for heat release treatment, after the heat is sufficiently released, the refrigerant enters a throttling device 1 for throttling treatment, at the moment, gas is mixed in liquid refrigerant in a bubble mode, therefore, the refrigerant flowing out after being throttled through the throttling device 1 is gas-liquid mixed refrigerant, the gas-liquid mixed refrigerant enters a gas-liquid separator 3 of an indoor unit and is separated into pure liquid refrigerant and pure gaseous refrigerant, then the pure liquid refrigerant and the pure gaseous refrigerant respectively enter a liquid heat exchange tube 5 and a gas heat exchange tube 4 for heat absorption treatment, and finally the refrigerant which is sufficiently absorbed heat enters the compressor 6 through the four-way valve 10, so that the whole refrigeration cycle is completed;
in a similar way, when N > 1, a plurality of liquid heat exchange tubes 5 can be designed in series, so that the heat exchange efficiency of the first heat exchanger 2 is finally and effectively improved by increasing the number of the liquid heat exchange tubes 5 and further increasing the length of the refrigerant pipeline.
According to one embodiment of the present invention, as shown in fig. 1 and 2, when N > 1, and N liquid heat exchange tubes 5 are connected in parallel, the first heat exchanger 2 further comprises: and the inlet end of the flow divider 7 is communicated with one outlet end of the gas-liquid separator 3, and the outlet end of the flow divider 7 is communicated with the inlet ends of the liquid heat exchange tubes 5 arranged on each branch in a one-to-one correspondence manner.
According to an embodiment of the present invention, as shown in fig. 3 and 4, the number of the liquid heat exchange tubes 5 on each branch is set to be M, where M is greater than or equal to 1, and the specific number may be pre-designed as required, and theoretically, the more the liquid heat exchange tubes 5 communicated with each branch refrigerant tube are, the higher the heat exchange efficiency of the first heat exchanger 2 is.
According to an embodiment of the present invention, as shown in fig. 3 and 4, a capillary tube 8 is further communicated with a refrigerant tube between every two adjacent liquid heat exchange tubes 5, and after being converged by a gas collector 9, a plurality of capillary tubes 8 are communicated with the refrigerant tube arranged between the throttling device 1 and the first heat exchanger 2; when the liquid refrigerant absorbs heat in the liquid heat exchange tube 5, part of the liquid refrigerant is evaporated into a gaseous state, and by adopting the design of the embodiment, the part of the gaseous refrigerant can be collected into the gas collector 9 through the capillary tube 8, and finally conveyed into the refrigerant tube arranged between the throttling device 1 and the first heat exchanger 2 through the capillary tube 8, so that the part of the gaseous refrigerant is drained into the gas-liquid separator 3 to be separated again, and the refrigerant in the liquid heat exchange tube 5 is always in a pure liquid state.
According to an embodiment of the invention, in order to further eliminate liquid flow sound, the gas-liquid separator 3 may be further disposed between the second heat exchanger and the throttling device 1, and through the design of this embodiment, liquid flow sound in the indoor unit can be eliminated, and night flow sound in the outdoor unit can be eliminated, so that user experience is further improved.
The embodiments in the present description are all described in a progressive manner, and some of the embodiments are mainly described as different from other embodiments, and the same and similar parts among the embodiments can be referred to each other.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, a particular component geometry.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. An air conditioner, comprising: the air-liquid separator (3) is arranged between a throttling device (1) of the outdoor unit and a first heat exchanger (2) of the indoor unit, and the air-liquid separator (3) is used for carrying out air-liquid separation on air-liquid mixed refrigerants flowing out of the throttling device (1) and then conveying the refrigerants to the first heat exchanger (2) for heat exchange treatment;
the first heat exchanger (2) comprises: the heat exchanger comprises a gas heat exchange pipe (4) and a liquid heat exchange pipe (5) which are connected in parallel, wherein the number of the liquid heat exchange pipes (5) is N, N is more than 1, and the N liquid heat exchange pipes (5) are connected in parallel;
the inlet end of the gas heat exchange tube (4) is communicated with one outlet end of the gas-liquid separator (3), the inlet end of the liquid heat exchange tube (5) is communicated with the other outlet end of the gas-liquid separator (3), and the outlet end of the gas heat exchange tube (4) is communicated with the outlet end of the liquid heat exchange tube (5) and then communicated with a suction port of a compressor (6) of the indoor unit;
the first heat exchanger (2) further comprises: the inlet end of the flow divider (7) is communicated with one of the outlet ends of the gas-liquid separator (3), and the outlet end of the flow divider (7) is communicated with the inlet ends of the liquid heat exchange tubes (5) arranged on each branch in a one-to-one correspondence manner; the number of the liquid heat exchange tubes (5) on each branch is set to be M, wherein M is more than 1;
capillary tubes (8) are further communicated with the refrigerant tube between every two adjacent liquid heat exchange tubes (5), and the capillary tubes (8) are communicated with the refrigerant tube arranged between the throttling device (1) and the first heat exchanger (2) after being converged by the gas collector (9).
2. Air conditioner according to claim 1, characterized in that the length of the gas heat exchange tube (4) is less than the total length of the N liquid heat exchange tubes (5).
3. The air conditioner of claim 2, wherein the outdoor unit comprises: the heat exchanger comprises a compressor (6), a four-way valve (10), a second heat exchanger (11) and a throttling device (1), wherein the compressor (6) is communicated with the inlet end of the second heat exchanger (11) through one outlet of the four-way valve (10), and the outlet end of the second heat exchanger (11) is communicated with the inlet end of the throttling device (1).
4. Air conditioner according to claim 3, characterized in that a gas-liquid separator (3) is further provided between the second heat exchanger (11) and the throttling device (1).
CN202011385404.9A 2020-12-01 2020-12-01 Air conditioner Active CN112460858B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011385404.9A CN112460858B (en) 2020-12-01 2020-12-01 Air conditioner

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Application Number Priority Date Filing Date Title
CN202011385404.9A CN112460858B (en) 2020-12-01 2020-12-01 Air conditioner

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CN112460858B true CN112460858B (en) 2022-03-18

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1380527A (en) * 2001-03-21 2002-11-20 广东科龙电器股份有限公司 Electric refrigerator capable of making multi-channel circulating refrigeration and its control method
CN1495390A (en) * 2002-08-22 2004-05-12 Lg������ʽ���� Multibody air conditioner and its working method
CN1534242A (en) * 2003-04-02 2004-10-06 张沈杰 Variable capacity central air conditioner
CN1590866A (en) * 2003-08-25 2005-03-09 乐金电子(天津)电器有限公司 Multiterminal air conditioner
CN107529365B (en) * 2008-09-27 2013-01-02 北京空间飞行器总体设计部 Gravity aids in multi-evaporator two-phase fluid loop apparatus
CN107990579A (en) * 2017-11-08 2018-05-04 西安交通大学 Refrigeration system, the refrigerator and its control method with the refrigeration system
CN110296542A (en) * 2019-07-23 2019-10-01 南京师范大学镇江创新发展研究院 It is a kind of to determine frequency variable-flow condensation machine set system
CN112146297A (en) * 2020-09-22 2020-12-29 华商国际工程有限公司 Refrigeration system and operation control method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6786056B2 (en) * 2002-08-02 2004-09-07 Hewlett-Packard Development Company, L.P. Cooling system with evaporators distributed in parallel
KR20070025332A (en) * 2005-09-01 2007-03-08 주식회사 대우일렉트로닉스 Refrigerating system
WO2013073070A1 (en) * 2011-11-18 2013-05-23 三菱電機株式会社 Refrigeration cycle device
CN104613697B (en) * 2013-11-04 2017-04-12 Lg电子株式会社 Refrigerator
DE102017215488A1 (en) * 2017-09-04 2019-03-07 BSH Hausgeräte GmbH Refrigerating appliance with several temperature zones
CN108375135B (en) * 2018-03-20 2019-09-03 珠海格力电器股份有限公司 Dehumidification system and air conditioner
KR102046129B1 (en) * 2018-06-20 2019-11-18 티이컴퍼니 유한회사 Dual type refrigerating system for defrosting operation
CN109140811A (en) * 2018-10-11 2019-01-04 武汉巨力鼎兴冷链股份有限公司 A kind of freezer circulatory system with high and low temperature refrigeration handoff functionality
CN109668233A (en) * 2018-12-12 2019-04-23 广东美的暖通设备有限公司 Multi-line system
CN210832593U (en) * 2019-09-06 2020-06-23 北京中普瑞讯信息技术有限公司 Refrigerating system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1380527A (en) * 2001-03-21 2002-11-20 广东科龙电器股份有限公司 Electric refrigerator capable of making multi-channel circulating refrigeration and its control method
CN1495390A (en) * 2002-08-22 2004-05-12 Lg������ʽ���� Multibody air conditioner and its working method
CN1534242A (en) * 2003-04-02 2004-10-06 张沈杰 Variable capacity central air conditioner
CN1590866A (en) * 2003-08-25 2005-03-09 乐金电子(天津)电器有限公司 Multiterminal air conditioner
CN107529365B (en) * 2008-09-27 2013-01-02 北京空间飞行器总体设计部 Gravity aids in multi-evaporator two-phase fluid loop apparatus
CN107990579A (en) * 2017-11-08 2018-05-04 西安交通大学 Refrigeration system, the refrigerator and its control method with the refrigeration system
CN110296542A (en) * 2019-07-23 2019-10-01 南京师范大学镇江创新发展研究院 It is a kind of to determine frequency variable-flow condensation machine set system
CN112146297A (en) * 2020-09-22 2020-12-29 华商国际工程有限公司 Refrigeration system and operation control method thereof

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