CN2828678Y - Air conditioner with hot-air straight structure - Google Patents
Air conditioner with hot-air straight structure Download PDFInfo
- Publication number
- CN2828678Y CN2828678Y CN 200520064069 CN200520064069U CN2828678Y CN 2828678 Y CN2828678 Y CN 2828678Y CN 200520064069 CN200520064069 CN 200520064069 CN 200520064069 U CN200520064069 U CN 200520064069U CN 2828678 Y CN2828678 Y CN 2828678Y
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- heat exchanger
- air
- compressor
- source
- conditioner
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Abstract
The utility model relates to an air conditioner with a hot-air straight through structure, which belongs to the field of air conditioning. When the air conditioner carries out heating, a high temperature air exhaust part of a compressor is divided into two paths, wherein one path is open to a source-side heat exchanger, and the other path is open to a target-side heat exchanger for heat exchange, so that the heat exchange capability of the source-side heat exchanger is improved, and simultaneously the source-side heat exchanger can not be frozen when heating is carried out. The utility model is characterized in that the air conditioner comprises a compressor, a four-way change valve, an outdoor heat exchanger, two one-way valves, a gas-liquid separator, two throttling devices, a coolant container and an indoor heat exchanger, wherein all the component devices are connected by coolant pipelines, and an exhaust pipe of the compressor is also connected with a branch pipe which is connected to a capillary pipe, to the source-side heat exchanger then, and to the coolant container in the end. The utility model has the advantages that the heat exchange capability of the heat exchanger and the heating capability of the air conditioner are improved.
Description
Technical field
The utility model relates to a kind of air-conditioner that utilizes heat pump cycle to carry out heat supply or cooling, particularly a kind of air-conditioner that can improve the band hot gas bypass structure of low-temperature heating performance.
Background technology
The air heat source and thermal pump air-conditioner is under the situation of heat supply running, the easy frosting of source heat exchanger, when heat exchanger big and inner along separate routes more for a long time because each influence of factor such as present position and air quantity along separate routes, there is huge difference in each shunt exchange capability of heat, and the heat exchange property of heat exchanger can not be given full play to.When carrying out defrost, the frost of source heat exchanger bottom is difficult to melt sometimes, further widens each difference of exchange capability of heat along separate routes, and then influences the heating capacity of air-conditioner.Traditional Defrost method is the cross valve commutation, and the condenser when the source heat exchanger is changed into kind of refrigeration cycle carries out, so the required heat of defrosting is caloric receptivity, compressor work sum from indoor environment.At this moment because when defrosting needs heat-obtaining from the heat supply object, so exist the frost layer of heat exchanger bottom to be difficult to remove, cause ice sheet to pile up, defrosting time is long, and it is many to absorb heat from the heat supply object, influences heating effect.Now also have compressor air-discharging is directly guided to the technology that outdoor heat exchanger carries out defrost, but all be cut-offfing of control access to strengthen defrosting by magnetic valve, not only increase cost but also can not thoroughly solve the problem of heat exchange inequality when heating, can not give full play to the performance of heat exchanger.
Summary of the invention
The purpose of this utility model is to provide a kind of air-conditioner with the hot gas bypass structure.This air-conditioner is drawn an arm at the blast pipe place of compressor, and described arm has connected and is connected to the place that need strengthen heat exchange when the source heat exchanger heats behind the capillary, links refrigerant container at last.When heating, constantly there is a small amount of high-temperature exhaust air to lead to the roadside that the source heat exchanger need be strengthened heat exchange, so just reduced each evaporation of worst cold case heat exchange inequality along separate routes, not only made full use of the ability of heat exchanger but also improved the inspiratory capacity of compressor, the straight-through bottom that is arranged into heat exchanger along separate routes of hot gas can also prevent that the heat exchanger bottom from freezing.Use the hot gas bypass structure, can heat rapidly, improve heating capacity, reach good heating effect.
The purpose of this utility model is achieved in that and comprises compressor, four-way change-over valve, source heat exchanger, two check valves, gas-liquid separator, two throttling arrangements, refrigerant container, target side heat exchanger, connect with refrigerant pipe between each unit, blast pipe place at compressor has also connected an arm, described arm is connected to the source heat exchanger after having connected capillary, links refrigerant container at last.
Its second feature is that described source heat exchanger has two refrigerant tubing branch roads at least, and described arm has connected the wherein branch road that is connected to the source heat exchanger behind the capillary, links refrigerant container at last.
Its 3rd feature is that described throttling arrangement is an electric expansion valve.
Its 4th feature is that described arm is common copper pipe.
The utility model has the advantages that: 1, strengthen the exchange capability of heat of the relatively poor shunt of exchange capability of heat on many minutes pipeline heat exchangers, heat exchange is more even along separate routes to make each, gives full play to the heat exchanger ability, increases the compressor air suction amount, improves the low-temperature heating performance of unit.2, directly use copper pipe, not needing increases other components and parts, is easy to promote.
Description of drawings
Fig. 1 is a system architecture schematic diagram of the present utility model.
The specific embodiment
According to shown in Figure 1, the air-conditioner of band hot gas bypass structure, comprise compressor 1, four-way change-over valve 2, source heat exchanger 3, check valve 5, check valve 12, gas-liquid separator 6, throttling arrangement 7, throttling arrangement 11, refrigerant container 10, target side heat exchanger 8, connect with refrigerant pipe between each unit, described source heat exchanger 3 has two refrigerant tubing branch roads at least, blast pipe place at compressor 1 has also connected arm 4, described arm 4 has connected the wherein pipeline branch road that is connected to source heat exchanger 3 behind the capillary 9, links refrigerant container 10 at last.
When air-conditioner freezed, the cold-producing medium of 1 pair of suction of compressor compressed, and the steam of the HTHP of generation flows to refrigerant container 10 by two branch roads respectively.Article one, branch road is the wherein pipeline branch road that enters into source heat exchanger 3 through cross valve 2, carry out heat exchange with outside air after, cold-producing medium becomes highly pressurised liquid, flows into refrigerant containers 10 through check valve 5.Another branch road is another pipeline branch road that enters source heat exchanger 3 through arm 4, capillary 9, flows into refrigerant container 10 at last.The cold-producing medium of two branch roads carries out heat exchange through target approach heat exchanger 8 after throttling arrangement 11 throttlings after refrigerant container 10 converges, enter into compressor 1 by cross valve 2 through gas-liquid separator 6 through the cold-producing medium after the heat exchange, circulates next time.In refrigeration,, carry out converging before the heat exchange at inflow target side heat exchanger 8, so do not influence the refrigeration of air-conditioner though be divided into two branch roads through the cold-producing medium after compressor 1 compression.
When air-conditioner heated, the cold-producing medium of 1 pair of suction of compressor compressed, and the steam of the HTHP of generation flows to refrigerant container 10 by two branch roads respectively.Article one, branch road is that cold-producing medium becomes highly pressurised liquid after cross valve 2 enters into target side heat exchanger 8 and carries out heat exchange, flows into refrigerant containers 10 through check valve 12.Another branch road is a pipeline branch road that enters source heat exchanger 3 through arm 4, capillary 9, flows into refrigerant container 10 at last.The cold-producing medium of two branch roads is after refrigerant container 10 converges, carry out heat exchange through another pipeline branch road and the outdoor air that enters source heat exchanger 3 after throttling arrangement 7 throttlings, enter into compressor 1 by cross valve 2 through gas-liquid separator 6 through the cold-producing medium after the heat exchange, circulate next time.When heating, be divided into two branch roads through the cold-producing medium after compressor 1 compression, one flows to the target side heat exchanger and carries out heat exchange, and a pipeline branch road that flows to the source heat exchanger converges at refrigerant container 10 at last.Like this when air-conditioning heats, each shunt exchange capability of heat of source heat exchanger is more even, its exchange capability of heat is fully used, increase the compressor air suction amount, and the straight-through branch road of hot gas is arranged into source heat exchanger bottom and can also prevents that the heat exchanger bottom from freezing, thereby guaranteed the reliability and the heating effect of unit.
What need indicate is that any alteration of form or parts replacement that does not relate to basic structure and connected mode that the related personnel makes the utility model also belongs to protection domain of the present utility model.
Claims (4)
1, the air-conditioner of band hot gas bypass structure, comprise compressor (1), cross valve (2), source heat exchanger (3), check valve (5), check valve (12), gas-liquid separator (6), throttling arrangement (7), throttling arrangement (11), refrigerant container (10), target side heat exchanger (8), connect with refrigerant pipe between each unit, it is characterized in that: also connected an arm (4) at the blast pipe place of compressor (1), described arm (4) is connected to source heat exchanger (3) after having connected capillary (9), links refrigerant container (10) at last.
2, the air-conditioner of band hot gas bypass structure according to claim 1, it is characterized in that: described source heat exchanger (3) has two refrigerant tubing branch roads at least, described arm (4) has connected the wherein branch road that is connected to source heat exchanger (3) behind the capillary (9), links refrigerant container (10) at last.
3, the air-conditioner of band hot gas bypass structure according to claim 1 is characterized in that: described throttling arrangement (7) is an electric expansion valve.
4, the air-conditioner of band hot gas bypass structure according to claim 1 is characterized in that: described arm (4) is common copper pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520064069 CN2828678Y (en) | 2005-09-03 | 2005-09-03 | Air conditioner with hot-air straight structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520064069 CN2828678Y (en) | 2005-09-03 | 2005-09-03 | Air conditioner with hot-air straight structure |
Publications (1)
Publication Number | Publication Date |
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CN2828678Y true CN2828678Y (en) | 2006-10-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200520064069 Expired - Lifetime CN2828678Y (en) | 2005-09-03 | 2005-09-03 | Air conditioner with hot-air straight structure |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101929761A (en) * | 2010-09-09 | 2010-12-29 | 李洲 | Integrated heat exchange system |
CN102589202A (en) * | 2012-02-24 | 2012-07-18 | 广东志高空调有限公司 | Condenser device capable of improving heating efficiency of heat pump |
CN101743449B (en) * | 2007-06-29 | 2012-11-14 | 伊莱克斯家用产品公司 | Hot gas defrost method and apparatus |
CN105928302A (en) * | 2016-05-27 | 2016-09-07 | 青岛海尔股份有限公司 | Novel refrigerator defrosting system |
CN106403068A (en) * | 2016-09-19 | 2017-02-15 | 广东美的制冷设备有限公司 | Defrosting system and defrosting method of air conditioner, air conditioner and air conditioner control method |
CN106766334A (en) * | 2017-01-04 | 2017-05-31 | 海信(广东)空调有限公司 | A kind of air conditioner circulating system and control method |
CN108800436A (en) * | 2018-04-25 | 2018-11-13 | 广东美的制冷设备有限公司 | Air conditioner, Defrost method and computer readable storage medium |
-
2005
- 2005-09-03 CN CN 200520064069 patent/CN2828678Y/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101743449B (en) * | 2007-06-29 | 2012-11-14 | 伊莱克斯家用产品公司 | Hot gas defrost method and apparatus |
CN101929761A (en) * | 2010-09-09 | 2010-12-29 | 李洲 | Integrated heat exchange system |
CN102589202A (en) * | 2012-02-24 | 2012-07-18 | 广东志高空调有限公司 | Condenser device capable of improving heating efficiency of heat pump |
CN105928302A (en) * | 2016-05-27 | 2016-09-07 | 青岛海尔股份有限公司 | Novel refrigerator defrosting system |
CN106403068A (en) * | 2016-09-19 | 2017-02-15 | 广东美的制冷设备有限公司 | Defrosting system and defrosting method of air conditioner, air conditioner and air conditioner control method |
CN106766334A (en) * | 2017-01-04 | 2017-05-31 | 海信(广东)空调有限公司 | A kind of air conditioner circulating system and control method |
CN108800436A (en) * | 2018-04-25 | 2018-11-13 | 广东美的制冷设备有限公司 | Air conditioner, Defrost method and computer readable storage medium |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GREE ELECTRIC(HEFEI) Co.,Ltd. Assignor: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Contract record no.: 2011990000078 Denomination of utility model: Air conditioner with hot-air straight structure Granted publication date: 20061018 License type: Exclusive License Record date: 20110211 |
|
CX01 | Expiry of patent term |
Expiration termination date: 20150903 Granted publication date: 20061018 |
|
EXPY | Termination of patent right or utility model |