CN102095268A - Propane refrigerant air conditioner with heat regenerator - Google Patents
Propane refrigerant air conditioner with heat regenerator Download PDFInfo
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- CN102095268A CN102095268A CN 201110049153 CN201110049153A CN102095268A CN 102095268 A CN102095268 A CN 102095268A CN 201110049153 CN201110049153 CN 201110049153 CN 201110049153 A CN201110049153 A CN 201110049153A CN 102095268 A CN102095268 A CN 102095268A
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Abstract
The invention relates to a propane refrigerant air conditioner with a heat regenerator, which belongs to the technical field of air conditioner refrigeration and comprises a condenser, a heat regenerator, a compressor, an expansion valve and an evaporator, wherein the compressor, the condenser, the inner tube of the heat regenerator, the expansion valve and the evaporator are connected in sequence; and the outer tube of the heat regenerator is respectively connected with the evaporator and the compressor. The heat regenerator is added to the air conditioner using propane as a refrigerant, and a low-temperature refrigerant of an evaporator outlet is used for further cooling the mid-temperature refrigerant flowing out of the condenser to ensure that the temperature of the refrigerant flowing into the expansion valve is lowered and the temperature of the refrigerant entering the evaporator after being throttled by the expansion valve is lower, thus, the cooling efficiency of the evaporator is increased, the utilization rate of the refrigerant is increased, and the cooling performance of the whole air conditioner is further improved.
Description
Technical field
What the present invention relates to is a kind of device of air conditioner refrigerating technical field, in particular a kind of propane refrigerant aircondition with regenerator.
Background technology
The refrigeration principle of most of now family expenses and commercial use air conditioner is identical, after the air-conditioner energising, the low-pressure steam of refrigeration system inner refrigerant is sucked also by compressor and drains into condenser behind the boil down to high temperature and high pressure steam, the outdoor air that sucks of the aerofoil fan condenser of flowing through simultaneously, take away the cold-producing medium liberated heat, make high-temperature high-pressure refrigerant steam be condensed in warm highly pressurised liquid, in warm highly pressurised liquid spray into evaporimeter through the liquid of expansion valve throttling becoming lower temperature low pressure, and under corresponding low pressure, evaporate, the heat of drawing surrounding air becomes low temperature, and (temperature is low in the ratio, than lower temperature height) low pressure refrigerant gas inflow compressor, simultaneously axial-flow fan constantly enters between the fin of evaporimeter air to carry out heat exchange, and be sent to the air that turns cold after the heat release indoor, so room air constantly circulates, and reaches the purpose that reduces temperature.Concerning most of air-conditioner now, the low-temperature refrigerant gas that flows out in evaporimeter is the temperature height during than inflow evaporator, but than low many of the temperature of warm high pressure liquid refrigerant flowing out from condenser, the low-temperature refrigerant gas that flows out in these evaporimeters directly was drawn into compressor compresses in the past, its low temperature is just regarded cold waste of expense, has reduced the efficient of air-conditioning system.
Propane (molecular formula is C3H8, another name R290) is exactly a kind of natural environmental-protective highly effective refrigeration agent of primary study now, and R290 is present in oil, the natural gas widely, refines convenient, low price, has good and economic, and to environment and body harmless.R290 is flammable, but can realize the use of keeping the safety in production after reducing the air-conditioning system charging amount and taking suitable safety measure, and this can not become the obstacle of development of new techniques.But after reducing the charging amount of air-conditioning system R290 cold-producing medium, because the deficiency of refrigerant mass fluxes and the problem of taking cold waste in the traditional air-conditioning system process of refrigerastion, its system's refrigeration performance can be subjected to very big influence.
Find through literature search prior art, China's utility model patent publication number: CN201104044, title: a kind of is the domestic movable air-conditioner of cold-producing medium with propane, this technology is by fully closed compressor, condenser, capillary, the system circuit that evaporimeter and connecting pipe thereof constitute, described condenser is provided with two air inlet mouths of pipe and a fluid mouth of pipe, described evaporimeter is provided with two feed liquor mouths of pipe and two mouths of pipe of giving vent to anger, condenser and evaporimeter adopt the mode of multichannel shunting, improve flow of refrigerant speed, reduced refrigerant charge, improved security, but behind the minimizing refrigerant charge, but because the deficiency of refrigerant mass fluxes, the refrigeration performance of its system is subjected to very big influence.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of propane refrigerant aircondition with regenerator is provided, in aircondition, increase regenerator, improved the refrigerating efficiency and the cold-producing medium utilization rate of evaporimeter, and then improved the refrigeration performance of whole aircondition.
The present invention is achieved by the following technical solutions: the present invention includes: condenser, regenerator, compressor, expansion valve and evaporimeter, wherein: interior pipe, expansion valve and the evaporimeter of compressor, condenser, regenerator link to each other successively, and the outer tube of regenerator links to each other with compressor with evaporimeter respectively.
Described regenerator is a double-tube heat exchanger, and the outer tube diameter of heat exchanger is 1～3 times of diameter of inner pipe.
The outer tube of described compressor, condenser, regenerator, expansion valve and evaporimeter link to each other successively, and the interior pipe of regenerator links to each other with compressor with evaporimeter respectively.
Described regenerator is a double-tube heat exchanger, and the diameter of inner pipe of heat exchanger is 1～1.38 times of outer tube diameter.
The present invention has following advantage compared to existing technology: be in the aircondition of cold-producing medium with propane, increased regenerator, utilize the evaporator outlet low-temperature refrigerant further to lower the temperature for the middle temperature cold-producing medium that flows out condenser, the refrigerant temperature that flows into expansion valve like this reduces, the temperature that it is inflated when entering evaporimeter after the valve throttling is lower, thereby improved the refrigerating efficiency of evaporimeter, improved the cold-producing medium utilization rate, and then improved the refrigeration performance of whole device.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2;
Fig. 3 is an enthalpy circular chart of the present invention.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: condenser 1, regenerator 2, compressor 3, expansion valve 4 and evaporimeter 5, wherein: compressor 3, condenser 1, the interior pipe of regenerator 2, expansion valve 4 links to each other successively with evaporimeter 5, the outer tube of regenerator 2 links to each other with compressor 3 with evaporimeter 5 respectively, the outlet of compressor 3 links to each other with the import of condenser 1, the interior pipe import of the outlet of condenser 1 and regenerator 2 links to each other, the interior pipe outlet of regenerator 2 links to each other with the import of expansion valve 4, the outlet of expansion valve 4 links to each other with the import of evaporimeter 5, the outer tube import of the outlet of evaporimeter 5 and regenerator 2 links to each other, the outer tube outlet of regenerator 2 links to each other with the import of compressor 3, and all connecting pipes are aluminium matter.
Described regenerator 2 is double-tube heat exchangers, and the diameter ratio of outer tube and interior pipe is 3: 1, and promptly the outlet steam pipework circulation area of evaporimeter 5 is about 9 times of outlet liquid line circulation area of condenser 1.
When present embodiment used: cold-producing medium entered condenser 1 after being pressed into high temperature and high pressure gas by compressor 3, the liquid of warm high pressure during device 1 condensation that is condensed becomes, the interior pipe of regenerator 2 of flowing through afterwards enters expansion valve 4, enter evaporimeter 5 after being inflated valve 4 throttlings becoming lower temperature low-pressure gas, with the air heat exchange in the environment, reach the effect of refrigeration to air cooling-down.Cold-producing medium after the heat exchange becomes low-temp low-pressure gas and flows out from evaporimeter 5, enters the outer tube of regenerator 2, to the middle temperature high pressure liquid refrigerant cooling of the interior pipe of the regenerator 2 of flowing through, flows out the outer tube of regenerator 2, is continued circulation by compressor 3 suction compression.The cryogenic gas cold-producing medium cooling that all can be flowed out when warm high pressure liquid refrigerant is flowed through regenerator 2 from condenser 1 outflow at every turn from evaporimeter 5, the refrigerant temperature that enters evaporimeter 5 like this after expansion valve 4 throttlings is lower, thereby improved the refrigerating efficiency of evaporimeter 5, improve the cold-producing medium utilization rate, and then improved the refrigeration performance of whole air-conditioning.
As shown in Figure 2, present embodiment comprises: condenser 1, regenerator 2, compressor 3, expansion valve 4 and evaporimeter 5, wherein: compressor 3, condenser 1, the outer tube of regenerator 2, expansion valve 4 links to each other successively with evaporimeter 5, the interior pipe of regenerator 2 links to each other with compressor 3 with evaporimeter 5 respectively, the outlet of compressor 3 links to each other with the import of condenser 1, the outer tube import of the outlet of condenser 1 and regenerator 2 links to each other, the outer tube outlet of regenerator 2 links to each other with the import of expansion valve 4, the outlet of expansion valve 4 links to each other with the import of evaporimeter 5, the interior pipe import of the outlet of evaporimeter 5 and regenerator 2 links to each other, the interior pipe outlet of regenerator 2 links to each other with the import of compressor 3, and all connecting pipes are aluminium matter.
Described regenerator 2 is double-tube heat exchangers, and the diameter ratio of outer tube and interior pipe is 1: 1.38, promptly this moment evaporimeter 5 outlet steam pipework circulation area be about 1.9 times of outlet liquid line circulation area of condenser 1.
When present embodiment used: cold-producing medium entered condenser 1 after being pressed into high temperature and high pressure gas by compressor 3, the liquid of warm high pressure during device 1 condensation that is condensed becomes, the outer tube of regenerator 2 of flowing through afterwards enters expansion valve 4, enter evaporimeter 5 after being inflated valve 4 throttlings becoming lower temperature low-pressure gas, with the air heat exchange in the environment, reach the effect of refrigeration to air cooling-down.Cold-producing medium after the heat exchange becomes low-temp low-pressure gas and flows out evaporimeter 5, enters the interior pipe of regenerator 2, to the middle temperature high pressure liquid refrigerant cooling of the outer tube of the regenerator 2 of flowing through, flows out the interior pipe of regenerator 2, is continued circulation by compressor 3 suction compression.The cryogenic gas cold-producing medium cooling that all can be flowed out when warm high pressure liquid refrigerant is flowed through regenerator 2 from condenser 1 outflow at every turn from evaporimeter 5, refrigerant temperature when entering evaporimeter 5 like this after expansion valve 4 throttlings is lower, thereby improved the refrigerating efficiency of evaporimeter 5, improve the cold-producing medium utilization rate, and then improved the refrigeration performance of whole aircondition.
As shown in Figure 3, though the structure of embodiment 1 and embodiment 2 is not identical entirely, its lap circular chart is identical.Dotted portion is the circulation of traditional air-conditioning system among the figure, the dotted line that removes vertical direction adds that solid line partly is exactly the circulation of two embodiment, represented among the figure enthalpy from compressor 3 to condenser 1, regenerator 2, expansion valve 4 and evaporimeter 5 belong to the circulation of compressor 3 at last, compressor 3 increases enthalpy, enthalpy reduces after condenser 1, regenerator 2 close expansion valve 4, enters evaporimeter 5 refrigeration enthalpy increases and gets back to compressor 3 continuation circulations.The lower left solid line partly is exactly the recruitment Δ Q that the present invention has added the refrigerating capacity that regenerator 2 brought.
Claims (6)
1. propane refrigerant aircondition with regenerator, comprise: condenser, compressor, expansion valve and evaporimeter, it is characterized in that, also comprise regenerator, wherein: interior pipe, expansion valve and the evaporimeter of compressor, condenser, regenerator link to each other successively, and the outer tube of regenerator links to each other with compressor with evaporimeter respectively;
The outlet of described compressor links to each other with the import of described condenser, the outlet of condenser links to each other with the import of the interior pipe of described regenerator, the outlet of the interior pipe of regenerator links to each other with the import of described expansion valve, the outlet of expansion valve links to each other with the import of described evaporimeter, the outlet of evaporimeter links to each other with the import of the outer tube of regenerator, and the outlet of the outer tube of regenerator links to each other with the import of described compressor.
2. the propane refrigerant aircondition of band regenerator according to claim 1 is characterized in that described regenerator is a double-tube heat exchanger.
3. the propane refrigerant aircondition of band regenerator according to claim 2 is characterized in that, the outer tube diameter of described heat exchanger is 1～3 times of diameter of inner pipe.
4. the propane refrigerant aircondition of band regenerator according to claim 1 is characterized in that: the outer tube of described compressor, condenser, regenerator, expansion valve and evaporimeter link to each other successively, and the interior pipe of regenerator links to each other with compressor with evaporimeter respectively.
5. the propane refrigerant aircondition of band regenerator according to claim 1, it is characterized in that, the outlet of described compressor links to each other with the import of condenser, the outlet of condenser links to each other with the import of the outer tube of regenerator, the outer tube outlet of regenerator links to each other with the import of expansion valve, the outlet of expansion valve links to each other with the import of evaporimeter, and the outlet of evaporimeter links to each other with the import of the interior pipe of regenerator, and the outlet of the interior pipe of regenerator links to each other with the import of compressor.
6. according to the propane refrigerant aircondition of claim 2 or 5 described band regenerators, it is characterized in that the diameter of inner pipe of described heat exchanger is 1～1.38 times of outer tube diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110049153 CN102095268A (en) | 2011-03-02 | 2011-03-02 | Propane refrigerant air conditioner with heat regenerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110049153 CN102095268A (en) | 2011-03-02 | 2011-03-02 | Propane refrigerant air conditioner with heat regenerator |
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| CN102095268A true CN102095268A (en) | 2011-06-15 |
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| CN 201110049153 Pending CN102095268A (en) | 2011-03-02 | 2011-03-02 | Propane refrigerant air conditioner with heat regenerator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444967A (en) * | 2011-12-12 | 2012-05-09 | 青岛海尔空调电子有限公司 | Air-conditioning system waste heat recovery method and system thereof |
| WO2014114260A1 (en) * | 2013-01-27 | 2014-07-31 | 南京瑞柯徕姆环保科技有限公司 | Refrigeration power cycle refrigeration apparatus |
| CN105546864A (en) * | 2016-01-13 | 2016-05-04 | 西安交通大学 | Auto-cascade vapor compression type refrigeration cycle system with evaporation subcooler |
| WO2016095295A1 (en) * | 2014-12-19 | 2016-06-23 | 海信科龙电器股份有限公司 | Air conditioner circulating system and air conditioner |
| CN105987529A (en) * | 2015-01-30 | 2016-10-05 | 青岛海尔特种电冰柜有限公司 | Refrigerating cycle system and refrigerating equipment |
| CN106004323A (en) * | 2016-05-25 | 2016-10-12 | 珠海格力电器股份有限公司 | Electric car air conditioner system and electric car with same |
| CN107883495A (en) * | 2017-11-23 | 2018-04-06 | 上海加冷松芝汽车空调股份有限公司 | Air-conditioning system |
| CN108725128A (en) * | 2018-04-23 | 2018-11-02 | 上海理工大学 | Using the secondary circuit air conditioner heat pump system of propane refrigerant |
| CN110025147A (en) * | 2019-05-16 | 2019-07-19 | 李彩华 | A kind of smart television cabinet with lifting and heat sinking function |
| CN114790827A (en) * | 2021-12-15 | 2022-07-26 | 广东天凛高新科技有限公司 | Condensation grouting device and grouting method |
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| US4620858A (en) * | 1981-02-17 | 1986-11-04 | Haden Schweitzer Corporation | Process and system for elimination of paint solvent vapors |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444967A (en) * | 2011-12-12 | 2012-05-09 | 青岛海尔空调电子有限公司 | Air-conditioning system waste heat recovery method and system thereof |
| WO2014114260A1 (en) * | 2013-01-27 | 2014-07-31 | 南京瑞柯徕姆环保科技有限公司 | Refrigeration power cycle refrigeration apparatus |
| US9823000B2 (en) | 2013-01-27 | 2017-11-21 | Nanjing Reclaimer Environmental Teknik Co., Ltd | Cold dynamic cycle refrigeration apparatus |
| WO2016095295A1 (en) * | 2014-12-19 | 2016-06-23 | 海信科龙电器股份有限公司 | Air conditioner circulating system and air conditioner |
| CN105987529A (en) * | 2015-01-30 | 2016-10-05 | 青岛海尔特种电冰柜有限公司 | Refrigerating cycle system and refrigerating equipment |
| CN105546864A (en) * | 2016-01-13 | 2016-05-04 | 西安交通大学 | Auto-cascade vapor compression type refrigeration cycle system with evaporation subcooler |
| CN105546864B (en) * | 2016-01-13 | 2018-05-18 | 西安交通大学 | A kind of Auto-cascade cycle steam compressed refrigerating circulating system of band evaporation subcooler |
| CN106004323A (en) * | 2016-05-25 | 2016-10-12 | 珠海格力电器股份有限公司 | Electric car air conditioner system and electric car with same |
| CN107883495A (en) * | 2017-11-23 | 2018-04-06 | 上海加冷松芝汽车空调股份有限公司 | Air-conditioning system |
| CN108725128A (en) * | 2018-04-23 | 2018-11-02 | 上海理工大学 | Using the secondary circuit air conditioner heat pump system of propane refrigerant |
| CN110025147A (en) * | 2019-05-16 | 2019-07-19 | 李彩华 | A kind of smart television cabinet with lifting and heat sinking function |
| CN114790827A (en) * | 2021-12-15 | 2022-07-26 | 广东天凛高新科技有限公司 | Condensation grouting device and grouting method |
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Application publication date: 20110615 |