CN105202740A - Heat pump air conditioner and heat exchanger thereof - Google Patents
Heat pump air conditioner and heat exchanger thereof Download PDFInfo
- Publication number
- CN105202740A CN105202740A CN201510662665.3A CN201510662665A CN105202740A CN 105202740 A CN105202740 A CN 105202740A CN 201510662665 A CN201510662665 A CN 201510662665A CN 105202740 A CN105202740 A CN 105202740A
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- China
- Prior art keywords
- heat exchanger
- stream
- flow path
- air conditioner
- magnetic valve
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Classifications
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- 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
Abstract
The invention discloses a heat pump air conditioner and a heat exchanger thereof. The heat exchanger comprises an air collecting port and a liquid collecting port and further comprises a first flow path, a second flow path and a third flow path, wherein the respective first ends of the flow paths are all communicated with the air collecting port, the second ends of the flow paths are all communicated with the liquid collecting port, and the second end of the first flow path and the second end of the second flow path are both connected with the second end of the third flow path. In addition, a first magnetic valve is arranged between the third flow path and the air collecting port, a third magnetic valve is arranged between a converged pipe formed after the second ends of the first flow path, the second flow path and the third flow path converge and the liquid collecting port, the first end of the third flow path is communicated with the liquid collecting port, and a second magnetic valve is arranged. When the heat exchanger of the heat pump air conditioner serves as a condenser to work, the number of the flow paths is two, but when the heat exchanger of the heat pump air conditioner serves as an evaporator to work, the number of the flow paths is three. Therefore, flow path optimization is achieved, pressure loss is reduced, and heat exchange efficiency is improved.
Description
Technical field
The present invention relates to air-conditioning technique field, in particular, relate to a kind of heat pump air conditioner and heat exchanger thereof.
Background technology
The solar energy resources that heat pump air conditioner utilizes surface soil and water body to store, as Cooling and Heat Source, without burning, without smoke evacuation, without discarded object, pollution-free, is a kind of a kind of technology utilizing renewable resource of clean environment firendly.
Owing to having refrigeration and heat-production functions simultaneously, the indoor heat exchanger for heat pump air conditioner uses as evaporimeter when freezing, and then as condenser working when heating, in like manner also there are the problems referred to above for outside heat exchanger.When heat exchanger uses as condenser, because its pressure loss is less, therefore, optimum adopts less point way, to improve flow velocity, increases the coefficient of heat transfer; And when using as evaporimeter, because the pressure loss is comparatively large, relative with the impact of flow velocity heat transfer coefficient, the logarithmic mean temperature difference (LMTD) that the pressure loss produces reduces exchange heat effects and accounts for leading, at this moment usually wish to adopt more point way, to reduce refrigerant flow rates, reduce the pressure loss.Drawn by above-mentioned analysis and cannot accomplish for same heat exchanger the shunt design that condensation process and evaporation process are all best.
Therefore, how to reach best number along separate routes, to reduce the pressure loss, improving heat exchange efficiency, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
In view of this, the invention provides a kind of heat exchanger of heat pump air conditioner, to reduce the pressure loss, improve heat exchange efficiency.Present invention also offers a kind of heat pump air conditioner with above-mentioned heat exchanger.
For achieving the above object, the invention provides following technical scheme:
A heat exchanger for heat pump air conditioner, comprise gas collection mouth and liquid collection opening, it also comprises:
First end is all communicated with first flow path, the second stream and the 3rd stream that the second end is all communicated with described liquid collection opening with described gas collection mouth, the second end of described first flow path and the second end of the second stream are all connected with the second end of described 3rd stream;
Be arranged on the first magnetic valve between the first end of described 3rd stream and described gas collection mouth;
The 3rd magnetic valve is provided with between collecting pipe after the confluxing of second end three of the second end of described first flow path, the second end of described second stream and described 3rd stream and described liquid collection opening;
The first end of described 3rd stream is communicated with described liquid collection opening, and is provided with the second magnetic valve.
Preferably, in above-mentioned heat exchanger, described first magnetic valve is the first check valve, described first check valve by described 3rd stream to the conducting of described gas collection mouth.
Preferably, in above-mentioned heat exchanger, described 3rd magnetic valve is the 3rd check valve, and described 3rd check valve, is connected with described second magnetic valve between described liquid collection opening with described 3rd magnetic valve to pipeline conducting of confluxing by described liquid collection opening.
Preferably, in above-mentioned heat exchanger, described second magnetic valve is the second check valve, and described second check valve by the 3rd stream to liquid collection opening conducting.
Preferably, in above-mentioned heat exchanger, described first flow path, described second stream are all identical with the heat exchange area of described 3rd stream.
Preferably, in above-mentioned heat exchanger, described first flow path, the second stream are all connected by pipeline with described liquid collection opening with described gas collection mouth with the 3rd stream three.
Preferably, in above-mentioned heat exchanger, this heat exchanger is indoor heat exchanger and the outdoor heat exchanger of heat pump air conditioner.
A kind of heat pump air conditioner, comprise heat exchanger, wherein, described heat exchanger is the heat exchanger described in above-mentioned any one.
Preferably, in above-mentioned heat pump air conditioner, this heat pump air conditioner is Split wall-mounted heat pump air conditioner.
Known via above-mentioned technical scheme, the invention discloses a kind of heat exchanger of heat pump air conditioner, comprise gas collection mouth and liquid collection opening, it also comprises first flow path, the second stream and the 3rd stream, and these three streams first end separately is all communicated with gas collection mouth, second end is all communicated with liquid collection opening, and the second end of first flow path is all connected with the second end of the 3rd stream with the second end of the second stream; In addition, the first magnetic valve is provided with between the 3rd stream and gas collection mouth, confluxing between pipeline and liquid collection opening after second end of first flow path, the second stream and the 3rd stream three confluxes is provided with the 3rd magnetic valve, and the first end of the 3rd stream is communicated with liquid collection opening, and is provided with the second magnetic valve.During work, when heat exchanger is as condenser working, first closed electromagnetic valve, the supersaturation gaseous coolant of HTHP enters heat exchanger by gas collection mouth, and enter first flow path and the second stream, now the 3rd closed electromagnetic valve, refrigerant enters the 3rd stream, and the second magnetic valve finally by conducting is discharged by liquid collection opening; When heat exchanger is as evaporator operation, the gas-liquid two-phase refrigerant of the low-temp low-pressure after throttling enters heat exchanger by liquid collection opening, now, first magnetic valve and the 3rd solenoid valve conduction, second closed electromagnetic valve, refrigerant enters first flow path, the second stream and the 3rd stream, is finally discharged by gas collection mouth.
The heat exchanger of heat pump air conditioner disclosed in the application, when as condenser working, stream is two, and during as evaporator operation, stream is three, therefore, reaches the optimization of stream, decreases the pressure loss, improves heat exchange efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The pipeline connecting figure of the heat exchanger of the heat pump air conditioner that Fig. 1 provides for the embodiment of the present invention;
The pipeline connecting figure of the heat exchanger of the Split wall-mounted heat pump air conditioner that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Core of the present invention is to provide a kind of heat exchanger of heat pump air conditioner, to reduce the pressure loss, improves heat exchange efficiency.Another core of the present invention there is provided a kind of heat pump air conditioner with above-mentioned heat exchanger.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, the invention discloses a kind of heat exchanger of heat pump air conditioner, comprise gas collection mouth (in Fig. 1 and Fig. 2 label A) and liquid collection opening (in Fig. 1 and Fig. 2 label B), it also comprises first flow path 1, second stream 2 and the 3rd stream 3, and these three streams first end separately is all communicated with gas collection mouth, second end is all communicated with liquid collection opening, and the second end of first flow path 1 is all connected with the second end of the 3rd stream 3 with the second end of the second stream 2; In addition, the first magnetic valve 11 is provided with between the 3rd stream 3 and gas collection mouth, first flow path 1, second stream 2 and the 3rd stream 3 three conflux after conflux between pipeline and liquid collection opening and be provided with the 3rd magnetic valve 13, the first end of the 3rd stream 3 is communicated with liquid collection opening, and is provided with the second magnetic valve 12.
During work, when heat exchanger is as condenser working, first magnetic valve 11 and the 3rd magnetic valve 13 are closed, second magnetic valve 12 conducting: the supersaturation gaseous coolant of HTHP enters heat exchanger by gas collection mouth, and enter first flow path 1 and the second stream 2, now refrigerant is condensed into the refrigerant of gas-liquid two-phase, refrigerant enters the 3rd stream 3 (supercooling tube), the refrigerant of gas-liquid two-phase continues to be cooled to the liquid refrigerants with certain degree of supercooling, and the second magnetic valve 12 finally by conducting is discharged by liquid collection opening.
Owing to have employed less point way in condensation process, the flow velocity of refrigerant improves, intraductal heat exchange coefficient increases; Simultaneously condenser ends arrange the 3rd stream 3 i.e. supercooling tube can increase throttling before the degree of supercooling of refrigerant, reduce restriction loss, improve specific refrigerating effect.
When heat exchanger is as evaporator operation, first magnetic valve 11 and the 3rd magnetic valve 13 conducting, second magnetic valve 12 cuts out: the gas-liquid two-phase refrigerant of the low-temp low-pressure after throttling enters heat exchanger by liquid collection opening, refrigerant enters first flow path 1, second stream 2 and the 3rd stream 3, be evaporated to saturated or there is the gaseous coolant of certain degree of superheat, the gaseous coolant of first flow path 1 and the second stream 2 is discharged by gas collection mouth, and the gaseous coolant of the 3rd stream 3 is through the first magnetic valve 11, finally discharged by gas collection mouth.
Owing to adopting more point way in evaporation process, the flow velocity of refrigerant reduces, and the pressure loss reduces, and overall heat exchange amount also can improve.
The heat exchanger of heat pump air conditioner disclosed in the application, when as condenser working, stream is two, and during as evaporator operation, stream is three, therefore, reaches the optimization of stream, decreases the pressure loss, improves heat exchange amount.
In specific embodiment, disclosed in the application, the first magnetic valve 11 is the first check valve, and this first check valve is by the direction conducting of the 3rd stream 3 to gas collection mouth.Magnetic valve is defined as the switch that check valve can not need Controlling solenoid valve, simplification device, reduces the labour intensity of operator.
In further embodiment, 3rd magnetic valve 13 is set to the 3rd check valve, 3rd check valve by liquid collection opening to pipeline conducting of confluxing, and be connected with the second check valve between liquid collection opening with the 3rd magnetic valve 13, namely ensure that the second check valve is directly connected with liquid collection opening, do not need through the 3rd magnetic valve 13.In addition, the second magnetic valve 12 is set to the second check valve, and the second check valve by the 3rd stream 3 to liquid collection opening conducting.Magnetic valve is defined as the switch that check valve can not need Controlling solenoid valve, simplification device, reduces the labour intensity of operator.
On the basis of technique scheme, in order to ensure the uniformity that refrigerant distributes, first flow path 1, second stream 2 and the 3rd stream 3 are set to heat exchange area all identical.Be set to the structure that heat exchange area is identical, can avoid occurring that the flow velocity in small size stream is high, affect the problem of heat exchange amount, in addition, also can avoid occurring the problem that flow velocity in large area stream is too low.
In preferred embodiment, above-mentioned first flow path 1, second stream 2 is all connected by pipeline with liquid collection opening with gas collection mouth with the 3rd this three of stream 3, is namely realized the connection of whole heat exchanger by pipeline.Particularly, gas collection mouth is communicated with by the first pipeline 101 with the first end of first flow path 1, and the second end of first flow path 1 is communicated with liquid collection opening by the 3rd pipeline 103; Gas collection mouth is communicated with by the second pipeline 102 with the first end of the second stream 2, and the second end of the second stream 2 is communicated with liquid collection opening by the 4th pipeline 104; Gas collection mouth is communicated with by the 7th pipeline 107 with the first end of the 3rd stream 3, second end of the 3rd stream 3 is communicated with by the 5th pipeline 105 with liquid collection opening, 3rd pipeline 103 is all communicated with the 5th pipeline 105 with the 4th pipeline 104, and the 3rd pipeline 103, the 4th pipeline 104 are communicated with liquid collection opening by collecting pipe after collecting with the 5th pipeline 105; The first end of the 3rd pipeline 103 is communicated with by the 6th pipeline 106 with liquid collection opening.On this basis, the first magnetic valve 11 is arranged on the 7th pipeline 107, and the second magnetic valve 102 is arranged on the 6th pipeline 106, and the 3rd magnetic valve 103 is arranged on collecting pipe.
Connecting whole heat exchanger by arranging pipeline, the position of first flow path 1, second stream 2 and the 3rd stream 3 can be changed as required, and different forms, applied widely.
Because heat pump air conditioner comprises outdoor heat exchanger and indoor heat exchanger, in order to reduce energy loss further, in preferred embodiment, this heat exchanger is defined as indoor heat exchanger and the outdoor heat exchanger of heat pump air conditioner.In practice, also only indoor heat exchanger or indoor heat exchanger can be set to above-mentioned disclosed heat exchanger, and all in protection domain.
In addition, disclosed herein as well is a kind of heat pump air conditioner, it comprises heat exchanger, and this heat exchanger heat exchanger disclosed in above-described embodiment, therefore, the heat pump air conditioner with this heat exchanger also has above-mentioned all technique effects, and this is no longer going to repeat them.
Further, heat pump air conditioner disclosed in the application is defined as Split wall-mounted heat pump air conditioner, but uses the heat pump air conditioner of heat exchange disclosed in the application also in protection domain for other.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a heat exchanger for heat pump air conditioner, comprises gas collection mouth and liquid collection opening, it is characterized in that, also comprise:
First end is all communicated with first flow path (1), the second stream (2) and the 3rd stream (3) that the second end is all communicated with described liquid collection opening with described gas collection mouth, the second end of described first flow path (1) and the second end of the second stream (2) are all connected with the second end of described 3rd stream (3);
Be arranged on the first magnetic valve (11) between the first end of described 3rd stream (3) and described gas collection mouth;
The 3rd magnetic valve (13) is provided with between collecting pipe after the confluxing of second end three of the second end of described first flow path (1), the second end of described second stream (2) and described 3rd stream (3) and described liquid collection opening;
The first end of described 3rd stream (3) is communicated with described liquid collection opening, and is provided with the second magnetic valve (12).
2. heat exchanger according to claim 1, is characterized in that, described first magnetic valve (11) is the first check valve, described first check valve by described 3rd stream (3) to the conducting of described gas collection mouth.
3. heat exchanger according to claim 1, it is characterized in that, described 3rd magnetic valve (13) is the 3rd check valve, described 3rd check valve, is connected with described second magnetic valve (12) between described liquid collection opening with described 3rd magnetic valve (13) to pipeline conducting of confluxing by described liquid collection opening.
4. heat exchanger according to claim 1, is characterized in that, described second magnetic valve (12) is the second check valve, and described second check valve by the 3rd stream (3) to liquid collection opening conducting.
5. the heat exchanger according to any one of claim 1-4, is characterized in that, described first flow path (1), described second stream (2) are all identical with the heat exchange area of described 3rd stream (3).
6. heat exchanger according to claim 5, is characterized in that, described first flow path (1), the second stream (2) are all connected by pipeline with described liquid collection opening with described gas collection mouth with the 3rd stream (3) three.
7. heat exchanger according to claim 6, is characterized in that, this heat exchanger is indoor heat exchanger and the outdoor heat exchanger of heat pump air conditioner.
8. a heat pump air conditioner, comprises heat exchanger, it is characterized in that, described heat exchanger is the heat exchanger as described in any one of claim 1-6.
9. heat pump air conditioner according to claim 8, is characterized in that, this heat pump air conditioner is Split wall-mounted heat pump air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510662665.3A CN105202740A (en) | 2015-10-14 | 2015-10-14 | Heat pump air conditioner and heat exchanger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510662665.3A CN105202740A (en) | 2015-10-14 | 2015-10-14 | Heat pump air conditioner and heat exchanger thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105202740A true CN105202740A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510662665.3A Pending CN105202740A (en) | 2015-10-14 | 2015-10-14 | Heat pump air conditioner and heat exchanger thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466083A (en) * | 2015-12-24 | 2016-04-06 | 珠海格力电器股份有限公司 | Flow-way-changeable heat pump air conditioner heat exchanger and control method thereof |
| CN105865008A (en) * | 2016-04-14 | 2016-08-17 | 上海交通大学 | Heat pump type air-conditioning heat exchanger with heat exchange working medium flow direction and flow path number in synchronous change |
| 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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| CN101776356A (en) * | 2009-01-14 | 2010-07-14 | 珠海格力电器股份有限公司 | Heat exchanger |
| JP2012167913A (en) * | 2011-02-17 | 2012-09-06 | Hitachi Appliances Inc | Air conditioner |
| CN104848579A (en) * | 2015-05-05 | 2015-08-19 | 广东美的制冷设备有限公司 | Air conditioner and heat exchanging system thereof |
| CN205066124U (en) * | 2015-10-14 | 2016-03-02 | 珠海格力电器股份有限公司 | Heat pump air conditioner and heat exchanger thereof |
-
2015
- 2015-10-14 CN CN201510662665.3A patent/CN105202740A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776356A (en) * | 2009-01-14 | 2010-07-14 | 珠海格力电器股份有限公司 | Heat exchanger |
| JP2012167913A (en) * | 2011-02-17 | 2012-09-06 | Hitachi Appliances Inc | Air conditioner |
| CN104848579A (en) * | 2015-05-05 | 2015-08-19 | 广东美的制冷设备有限公司 | Air conditioner and heat exchanging system thereof |
| CN205066124U (en) * | 2015-10-14 | 2016-03-02 | 珠海格力电器股份有限公司 | Heat pump air conditioner and heat exchanger thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466083A (en) * | 2015-12-24 | 2016-04-06 | 珠海格力电器股份有限公司 | Flow-way-changeable heat pump air conditioner heat exchanger and control method thereof |
| CN105865008A (en) * | 2016-04-14 | 2016-08-17 | 上海交通大学 | Heat pump type air-conditioning heat exchanger with heat exchange working medium flow direction and flow path number in synchronous change |
| 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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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20151230 |