CN105865008A - Heat pump type air-conditioning heat exchanger with heat exchange working medium flow direction and flow path number in synchronous change - Google Patents
Heat pump type air-conditioning heat exchanger with heat exchange working medium flow direction and flow path number in synchronous change Download PDFInfo
- Publication number
- CN105865008A CN105865008A CN201610231113.1A CN201610231113A CN105865008A CN 105865008 A CN105865008 A CN 105865008A CN 201610231113 A CN201610231113 A CN 201610231113A CN 105865008 A CN105865008 A CN 105865008A
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- China
- Prior art keywords
- arm
- heat exchanger
- windward side
- leeward side
- heat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a heat pump type air-conditioning heat exchanger with a heat exchange working medium flow direction and a flow path number in synchronous change. The heat pump type air-conditioning heat exchanger comprises a heat exchanger with 2n flow paths, first and second branch pipes at a leeward side, first and second branch pipes at a windward side, a header pipe at the leeward side and a header pipe at the windward side, wherein the header pipe at the leeward side is separately connected with the first branch pipe and the second branch pipe at the leeward side; the header pipe at the windward side is separately connected with the first branch pipe and the second branch pipe at the windward side; the branch pipes at the leeward side and the branch pipes the windward side are correspondingly arranged, and are separately connected with end openings at the leeward side and the windward side of the n flow paths in the heat exchanger; the second branch pipe at the leeward side and the first branch pipe at the windward side are provided with one-way valves; the inlet end of the one-way valve of the second branch pipe at the leeward side and the outlet end of the one-way valve of the first branch pipe at the windward side are connected through a pipeline to form a refrigerating branch pipe; and the refrigerating branch pipe is provided with an electronic valve. The number of the flow paths of the heat exchanger is changed with the switching of a refrigerating working condition and a heating working condition while the flow direction of the heat exchange working medium is changed with the switching of the working condition, so that the performances of an air conditioner are optimal.
Description
Technical field
The present invention relates to the technology of a kind of field of air conditioning, specifically a kind of with the working conditions change heat-exchange working medium flow direction and many flow
Synchronize the heat pump type air-conditioner heat exchanger of change.
Background technology
There is refrigeration and heat two kinds of operating modes in heat pump type air conditioner, when operating mode switches, in air-conditioning, heat exchanger also synchronizes to carry out " steaming
Send out device " switch to " condenser ", " condenser " to switch to the transformation of " vaporizer ".As a example by off-premises station, room under cooling condition
Outer machine is as " condenser ", and under heating condition, off-premises station switches to " vaporizer ".But vaporizer and condenser in this technology
Optimum many flow different so that the performance of fixing many flow heat exchanger all cannot reach under cooling condition and heating condition
Excellent.In order to make heat exchanger performance under cooling condition and heating condition all reach optimum, the many flow of heat exchanger should with refrigeration and
The switching of heating condition and change.
Through the retrieval of prior art is found, Chinese patent literature CN105202740A, open (bulletin) day 2015.12.30,
Disclosing a kind of heat pump air conditioner and heat exchanger thereof, including collection QI KOU and liquid collection opening, it also includes first flow path, second flow path and the 3rd
Stream, and this respective first end of three streams all connects with collection QI KOU, and the second end all connects with liquid collection opening, the of first flow path
Second end of two ends and second flow path all the second ends with the 3rd stream are connected；Additionally, be provided with between the 3rd stream and collection QI KOU
First electromagnetic valve, second end of first flow path, second flow path and the 3rd stream three conflux after conflux and set between pipeline and liquid collection opening
Being equipped with the 3rd electromagnetic valve, the first end of the 3rd stream connects with liquid collection opening, and is provided with the second electromagnetic valve.This technology is applied to condensation
During device, cold-producing medium is first divided into 2 branch inflow heat exchangers, after be merged into 1 stream outflow heat exchanger；Stream after merging its change
Heat pipe quantity accounts for 1/3rd of total heat exchanger, and stream length, refrigerant flow rates are big, cause in two phase refrigerant stream after merging
Pressure drop acutely increases, and reduces heat exchange property；3 electric expansion valves in this technology need the complicated signal of telecommunication to control simultaneously, cost
High, control instability.
Summary of the invention
The present invention is directed to deficiencies of the prior art, it is proposed that a kind of heat-exchange working medium flows to change Tong Bu with many flow
Heat pump type air-conditioner heat exchanger, by adjusting in real time the many flow under different operating modes, it is achieved heat-exchange working medium flows to and stream number
Purpose synchronizes conversion, promotes the heat exchange property of air-conditioning.
The present invention is achieved by the following technical solutions,
The present invention includes: leeward side house steward, leeward side the first arm, leeward side the second arm, windward side house steward, windward side
One arm, windward side the second arm and heat exchanger, wherein: heat exchanger is provided with 2n stream, leeward side house steward respectively with leeward side
First arm is connected with leeward side the second arm, and windward side house steward is connected with windward side the first arm and windward side the second arm respectively,
Leeward side the first arm and windward side the first arm be correspondingly arranged and respectively with the leeward side port of n stream in heat exchanger and windward side
Port is connected, and leeward side the second arm and windward side the second arm are correspondingly arranged and the back of the body of n other with in heat exchanger respectively stream
Wind side ports is connected with windward side port；
Described leeward side the second arm and windward side the first arm are equipped with check valve, the one-way valve inlet of leeward side the second arm
End is connected with the one-way valved outlet end pipeline of windward side the first arm and constitutes refrigeration arm；
Described refrigeration arm is provided with electronic valve.
Technique effect
Compared with prior art, the many flow of present invention heat exchanger changes with refrigeration and the switching of heating condition, and heats work
Many flow under condition is the twice under cooling condition；The inlet and outlet of heat exchanger is equipped with multiple stream, it is to avoid multiple streams
The problem that when being merged into 1 stream, pressure drop increases；The present invention use 1 electric expansion valve and 2 check valves realize many flow with
The switching of cold and hot operating mode and change, it is only necessary to an electric expansion valve is controlled, improves the reliability of heat exchanger, reduce
Cost.
Accompanying drawing explanation
Fig. 1 is the pipeline connecting figure of embodiment 1；
In figure: leeward side house steward 1-1, leeward side the first arm 2-1, leeward side the second arm 2-2, windward side the first arm
3-1, windward side the second arm 3-2, windward side house steward 4-1, refrigeration arm 5-1, leeward side check valve A, electronic valve B, windward
Side check valve C, heat exchanger D.
Detailed description of the invention
Elaborating embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention,
Give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As it is shown in figure 1, the present embodiment includes: leeward side house steward 1-1, leeward side the first arm 2-1, leeward side the second arm
2-2, windward side house steward 4-1, windward side the first arm 3-1, windward side the second arm 3-2 and heat exchanger D, wherein: heat exchanger D
Being provided with 2n stream, leeward side house steward 1-1 is connected, windward with leeward side the first arm 2-1 and leeward side the second arm 2-2 respectively
Side house steward 4-1 is connected with windward side the first arm 3-1 and windward side the second arm 3-2 respectively, leeward side the first arm 2-1 and meeting
Wind side the first arm 3-1 is correspondingly arranged and is connected with leeward side port and the windward side port of n stream in heat exchanger D respectively, the back of the body
Wind side the second arm 2-2 and windward side the second arm 3-2 be correspondingly arranged and respectively with the leeward side of other n stream in heat exchanger D
Port is connected with windward side port.
Described leeward side the second arm 2-2 is provided with leeward side check valve A, described windward side the first arm 3-1 and is provided with windward
Side check valve C, the arrival end of leeward side check valve A is connected with the port of export pipeline of windward side check valve C and constitutes refrigeration arm 5-1；
Described refrigeration arm 5-1 is provided with electronic valve B.
Described leeward side check valve A is turned on to leeward side house steward 1-1 by heat exchanger D.
Described windward side check valve C is turned on to heat exchanger D by windward side house steward 4-1.
Described electronic valve B is turned on by the leeward side port of windward side check valve C stream in heat exchanger D.
Described heat exchanger D is fin-tube heat exchanger, and with leeward side the first arm 2-1, windward side the first arm 3-1 phase
The heat exchange area of n stream even and n the stream connected with leeward side the first arm 2-1, windward side the first arm 3-1 is identical.
Described refrigeration arm 5-1 and leeward side the second arm 2-2, the junction point of windward side the first arm 3-1 are respectively close to changing
Hot device D is at the stream port of leeward side and windward side.
The present embodiment is operationally:
When being in cooling condition, close leeward side check valve A and windward side check valve C, open electronic valve B, heat-exchange working medium from
Leeward side house steward 1-1 flows into, and flows to n stream in heat exchanger D, then from windward side by leeward side the second arm 2-1
First arm 3-1 flows out other n the stream flowing to heat exchanger through refrigeration arm 5-1, leeward side the second arm 2-2, finally changes
Hot working fluid flows directly into windward side house steward 4-1 through windward side the second arm 3-2；
When being in heating condition, close electronic valve B, open leeward side check valve A and windward side check valve C, heat-exchange working medium from
Windward side house steward 4-1 separately flows into windward side the first arm 3-1 and windward side the second arm 3-2,2n stream in heat exchanger D
After heat exchange, arrive leeward side house steward 1-1 through leeward side the first arm 2-1 and leeward side the second arm 2-2 simultaneously.
Claims (6)
1. the heat pump type air-conditioner heat exchanger of a heat-exchange working medium flow direction change Tong Bu with many flow, it is characterised in that including: the back of the body
Wind side house steward, leeward side the first arm, leeward side the second arm, windward side house steward, windward side the first arm, windward side second
Pipe and heat exchanger, wherein: heat exchanger is provided with 2n stream, leeward side house steward respectively with leeward side the first arm and leeward side second
Arm is connected, and windward side house steward is connected with windward side the first arm and windward side the second arm respectively, leeward side the first arm and windward
Side the first arm is correspondingly arranged and is connected with leeward side port and the windward side port of n stream in heat exchanger respectively, leeward side second
Arm and windward side the second arm are correspondingly arranged and the leeward side port of n other with in heat exchanger respectively stream and windward side port
It is connected；
Described leeward side the second arm and windward side the first arm are provided with check valve, the one-way valve inlet end of leeward side the second arm with
The one-way valved outlet end pipeline of windward side the first arm is connected and constitutes refrigeration arm.
Heat-exchange working medium the most according to claim 1 flows to the heat pump type air-conditioner heat exchanger of change Tong Bu with many flow, and it is special
Levying and be, described leeward side check valve is turned on to leeward side house steward by heat exchanger.
Heat-exchange working medium the most according to claim 1 flows to the heat pump type air-conditioner heat exchanger of change Tong Bu with many flow, and it is special
Levying and be, described windward side check valve is turned on to heat exchanger by windward side house steward.
Heat-exchange working medium the most according to claim 1 flows to the heat pump type air-conditioner heat exchanger of change Tong Bu with many flow, and it is special
Levying and be, described electronic valve is turned on by the leeward side port of windward side check valve stream in heat exchanger.
Heat-exchange working medium the most according to claim 1 flows to the heat pump type air-conditioner heat exchanger of change Tong Bu with many flow, and it is special
Levying and be, described heat exchanger is fin-tube heat exchanger, and n the stream being connected with leeward side the first arm, windward side the first arm
Road and identical with the heat exchange area of n stream that leeward side the second arm, windward side the second arm are connected.
Heat-exchange working medium the most according to claim 1 flows to the heat pump type air-conditioner heat exchanger of change Tong Bu with many flow, and it is special
Levy and be, described refrigeration arm and leeward side the second arm, windward side the first arm junction point respectively close to stream in heat exchanger
Leeward side port and windward side port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231113.1A CN105865008A (en) | 2016-04-14 | 2016-04-14 | Heat pump type air-conditioning heat exchanger with heat exchange working medium flow direction and flow path number in synchronous change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610231113.1A CN105865008A (en) | 2016-04-14 | 2016-04-14 | Heat pump type air-conditioning heat exchanger with heat exchange working medium flow direction and flow path number in synchronous change |
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| Publication Number | Publication Date |
|---|---|
| CN105865008A true CN105865008A (en) | 2016-08-17 |
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ID=56637247
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610231113.1A Pending CN105865008A (en) | 2016-04-14 | 2016-04-14 | Heat pump type air-conditioning heat exchanger with heat exchange working medium flow direction and flow path number in synchronous change |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322847A (en) * | 2016-10-17 | 2017-01-11 | 珠海格力电器股份有限公司 | Multi-row heat exchanger and air conditioner including multi-row heat exchanger |
| CN106931685A (en) * | 2017-02-24 | 2017-07-07 | 青岛海尔空调器有限总公司 | Air-conditioning heat exchanger and its control method |
| CN109556322A (en) * | 2017-09-25 | 2019-04-02 | 宁波德业科技集团有限公司 | A kind of double-effect evaporation formula air-conditioning heat exchanger |
| CN112432390A (en) * | 2020-10-30 | 2021-03-02 | 青岛海尔空调器有限总公司 | Heat exchanger for indoor unit and air conditioner |
| WO2022089661A1 (en) * | 2020-10-27 | 2022-05-05 | 青岛海尔空调器有限总公司 | Heat exchanging device and air conditioner |
| CN114543402A (en) * | 2022-03-23 | 2022-05-27 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| CN114608220A (en) * | 2022-03-23 | 2022-06-10 | 西安交通大学 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| WO2023206885A1 (en) * | 2022-04-29 | 2023-11-02 | 广东美的制冷设备有限公司 | Heat exchanger, flow path control method for heat exchanger, readable storage medium, and air conditioner |
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| JPH08313116A (en) * | 1995-05-23 | 1996-11-29 | Toshiba Corp | Air conditioner |
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| CN105202740A (en) * | 2015-10-14 | 2015-12-30 | 珠海格力电器股份有限公司 | Heat pump air conditioner and heat exchanger thereof |
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Patent Citations (7)
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|---|---|---|---|---|
| JPH08313116A (en) * | 1995-05-23 | 1996-11-29 | Toshiba Corp | Air conditioner |
| JPH10318618A (en) * | 1997-05-20 | 1998-12-04 | Fujitsu General Ltd | Air conditioner |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322847A (en) * | 2016-10-17 | 2017-01-11 | 珠海格力电器股份有限公司 | Multi-row heat exchanger and air conditioner including multi-row heat exchanger |
| CN106931685A (en) * | 2017-02-24 | 2017-07-07 | 青岛海尔空调器有限总公司 | Air-conditioning heat exchanger and its control method |
| CN109556322A (en) * | 2017-09-25 | 2019-04-02 | 宁波德业科技集团有限公司 | A kind of double-effect evaporation formula air-conditioning heat exchanger |
| WO2022089661A1 (en) * | 2020-10-27 | 2022-05-05 | 青岛海尔空调器有限总公司 | Heat exchanging device and air conditioner |
| CN112432390A (en) * | 2020-10-30 | 2021-03-02 | 青岛海尔空调器有限总公司 | Heat exchanger for indoor unit and air conditioner |
| CN112432390B (en) * | 2020-10-30 | 2022-08-19 | 青岛海尔空调器有限总公司 | Heat exchanger for indoor unit and air conditioner |
| CN114543402A (en) * | 2022-03-23 | 2022-05-27 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| CN114608220A (en) * | 2022-03-23 | 2022-06-10 | 西安交通大学 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| CN114608220B (en) * | 2022-03-23 | 2024-03-26 | 西安交通大学 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| CN114543402B (en) * | 2022-03-23 | 2024-05-28 | 广东美的制冷设备有限公司 | Heat exchanger, heat exchanger flow path control method, readable storage medium and air conditioner |
| WO2023206885A1 (en) * | 2022-04-29 | 2023-11-02 | 广东美的制冷设备有限公司 | Heat exchanger, flow path control method for heat exchanger, readable storage medium, and air conditioner |
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Application publication date: 20160817 |
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| RJ01 | Rejection of invention patent application after publication |