CN102141316A - Double-evaporation-temperature air conditioner with temperature and humidity controlled independently - Google Patents
Double-evaporation-temperature air conditioner with temperature and humidity controlled independently Download PDFInfo
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- CN102141316A CN102141316A CN 201110050911 CN201110050911A CN102141316A CN 102141316 A CN102141316 A CN 102141316A CN 201110050911 CN201110050911 CN 201110050911 CN 201110050911 A CN201110050911 A CN 201110050911A CN 102141316 A CN102141316 A CN 102141316A
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- 239000007788 liquid Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 230000008676 import Effects 0.000 claims description 28
- 238000001704 evaporation Methods 0.000 claims description 23
- 239000006200 vaporizer Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 13
- 230000005855 radiation Effects 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 description 26
- 239000003507 refrigerant Substances 0.000 description 12
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- -1 as shown in Figure 2 Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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Abstract
The invention relates to a double-evaporation-temperature air conditioner with temperature and humidity controlled independently, which is characterized by comprising a compressor, a condenser, an ejector, a high-temperature evaporator, a low-temperature evaporator, a throttling device and a gas-liquid separator, wherein an outlet of the compressor is connected with an inlet of the condenser; a first inlet of the ejector is connected with an outlet of the condenser and a second inlet is connected with an outlet of the low-temperature evaporator; an outlet of the ejector is divided into two paths, one path is connected with an inlet of the low-temperature evaporator through the throttling device and the other path is connected with an inlet of the high-temperature evaporator; and an outlet of the high-temperature evaporator is connected with an inlet of the compressor through the gas-liquid separator. The air conditioner provided by the invention is simple and is convenient in running and suitable for applications in the occasions such as small independent offices or families and the like with lower refrigerating output demand.
Description
Technical field
The present invention relates to a kind of hvac equipment, particularly two evaporating temperature air-conditioners of independently controlling about a kind of temperature and humidity.
Background technology
The load of air-conditioning system comprises sensible heat load and latent heat load, and the task of air-conditioning system is exactly to realize effective regulation and control to the Building Heat wet environment by handling sensible heat load and latent heat load.At present, temperature can be separated processing with sensible heat load and latent heat load with the humidity independence control air conditioner system, bear building latent heat load, controlled humidity by sending into dry air, by sending into the air of only handling or utilizing high temperature cold water to bear sensible heat load, control temperature through the radiation cooling end equipment through lowering the temperature.This air-conditioning regulative mode can be realized the independent control to temperature, humidity, can also realize good energy-saving effect when effectively realizing the regulation and control of Building Heat wet environment.
In the air-conditioning system that temperature and humidity are independently controlled, the air themperature of bearing the required high temperature cold water temperature of temperature control task or sending into is generally about 18～20 ℃, the low-temperature receiver evaporating temperature of at this moment required compression refrigeration mode just can be far above the evaporating temperature of conventional dehumidification by condensation mode correspondence, and the refrigeration system efficiency can obtain large increase.And when utilizing the dehumidification by condensation mode to obtain dry air to bear the humidity control task, needed low-temperature receiver evaporating temperature is lower, generally below 5 ℃.For places such as family or small-sized independent offices, the air-conditioning latent heat load generally only accounts for about 20% of total load, bears the required cold of humidity control task and is significantly less than and bears the required cold of temperature control task.
Patented technology 1 discloses a kind of idle call double-temperature refrigerator water unit patent (ZL200410009292.1), this unit has adopted two-stage throttling, middle twin-stage compression refrigeration circulation of not exclusively cooling off, produce high temperature cold water and low-temperature cold water, thereby realized the kind of refrigeration cycle of different evaporating temperature operations.But the system equipment of this patent disclosure is comparatively complicated, and unit capacity is bigger, is fit to be applied in the bigger place of refrigerating capacity demand, is not suitable for being applied in the less occasions of refrigerating capacity demand such as small-sized independent office or family.Patented technology 2 (patent No. is ZL200510063463.3) and patented technology 3 (patent No. is ZL200510028464.4) all are the single-stage injection/compression refrigerating systems that the refrigerant vapour that utilizes injector injection evaporimeter to produce makes up, injector replaces device such as expansion valve to reclaim expansion work in these systems, although that injector has is simple in structure, cost is low, movement-less part and adapt to characteristics such as two phase flow, can be applied to the expansion work of utilizing cold-producing medium step-down process in the Vapor Compression Refrigeration Cycle, effectively improve the performance of refrigerant systems coefficient.But patented technology 2 and patented technology 3 all are the single-stage evaporation apparatuses, all can not realize the kind of refrigeration cycle of two evaporating temperature operations.Prior art 4 (the patent No.: ZL200510026386.4) disclose a kind of double-temperature refrigerator of compression/injection mixing circulation that utilizes and hidden the car refrigeration unit, it utilizes two-stage ejector and one-level compressor to make up the kind of refrigeration cycle of two evaporating temperatures, satisfies refrigerating chamber and driver's cabin air-conditioning demand simultaneously.The refrigerator evaporator of this unit (low temperature) side cold is much larger than driver's cabin side A/C evaporator (high temperature) side cold, the required low temperature side cold of temperature and humidity independence control air conditioner system is then far below the high temperature side cold, thereby this refrigeration unit with two evaporating temperatures can't be directly used in temperature and humidity independence control air conditioner system.
China's document 1 " a kind of novel steam compressed/spray the discussion of hybrid refrigeration cycle " (Fan Xiaowei, the moon is built the people, Liu Haifeng, Chen Zhongqi. XI AN JIAOTONG UNIVERSITY Subject Index, 30 (5): 5～11,1996) a kind of kind of refrigeration cycle (as shown in Figure 4) of utilizing injector to realize two evaporating temperature operations is analyzed.This kind of refrigeration cycle is applicable to the two-storage temperature refrigerator kind of refrigeration cycle, and the operative liquid cold-producing medium of condensator outlet still enters the cryogenic vaporizer evaporation by throttling arrangement, and the expansion work of this throttling process is not utilized effectively.China's document 2 " refrigeration performance of four kinds of two warm Vapor Compression Refrigeration Cycle relatively " (Liu Jinghui, Chen Jiangping, Chen Zhijiu. applied science journal, 24 (5): 538～542,2006) several two temperature kind of refrigeration cycle (as Fig. 5, shown in Figure 6) of utilizing injector to make up are analyzed.The double flash evaporation temperature contrast of China's document 2 disclosed kind of refrigeration cycle is big (about 30 ℃), be applicable to that the liquid refrigerant that is flowed out by condenser in the two-storage temperature refrigerator cyclic process with refrigeration and freezing function partly or entirely enters the cold-producing medium of injector injection high-temperature evaporator side evaporation, because the injector injection is limited in one's ability, makes high-temperature evaporator side refrigerating capacity be restricted accordingly.For the temperature of utilizing the dehumidification by condensation mode and humidity independence control air conditioner system, the difference of double flash evaporation temperature requirements is big (generally in 15 ℃) not too, and the high-temperature evaporator side cold of demand will be much larger than cryogenic vaporizer side cold, and these that mention in the document pair temperature and pressure contract/and jet refrigeration circulation all can't be directly used in the air-conditioning system that temperature, humidity are independently controlled.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of temperature that is applied in occasions such as family or small-sized independent office of injector structure and two evaporating temperature air-conditioners that humidity is independently controlled of utilizing.
For achieving the above object, the present invention takes following technical scheme: two evaporating temperature air-conditioners that a kind of temperature and humidity are independently controlled, it is characterized in that it comprises a compressor, a condenser, an injector, a high-temperature evaporator, a cryogenic vaporizer, a throttling arrangement and a gas-liquid separator; The outlet of described compressor connects the import of described condenser; First import of described injector connects the outlet of described condenser, and second import connects the outlet of described cryogenic vaporizer; The outlet of described injector is divided into two-way, the described throttling arrangement of leading up to connects the import of described cryogenic vaporizer, another road connects the import of described high-temperature evaporator, and the outlet of described high-temperature evaporator connects the import of described compressor through described gas-liquid separator.
The present invention also comprises the terminal and water circulating pump of a radiation cooling, and the outlet of described radiation cooling end is connected with the import of described water circulating pump; The import of described radiation cooling end connects the high temperature cold water outlet of described high-temperature evaporator, and described recirculated water delivery side of pump connects the high temperature cold water import of described high-temperature evaporator.
The present invention adopts injector effectively to utilize the expansion work of cold-producing medium step-down process, compares the efficient that can improve kind of refrigeration cycle with the existing kind of refrigeration cycle of restricting elements such as expansion valve that adopts; Refrigeration system is moved in two evaporating temperatures, can utilize single kind of refrigeration cycle to satisfy the requirement of producing dry air and producing high temperature cold water (or cold wind) simultaneously; The refrigerating capacity ratio of the double flash evaporation device correspondence that is provided with among the present invention can adapt to the hot humidity load ratio characteristics of building such as family or small-sized independent office, realizes that the temperature in these places, humidity independently controls.System equipment of the present invention is simple, operation is convenient, is fit to be applied in the less occasions of refrigerating capacity demand such as small-sized independent office or family.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the principle schematic that adopts the present invention to produce cold water and produce cold wind
Fig. 3 is that the high and low temperature evaporimeter all adopts air-cooled fundamental diagram among the present invention
Fig. 4 is the principle schematic of the two evaporating temperature kind of refrigeration cycle of Chinese document 1 compression/injection
Fig. 5 is the principle schematic of first kind of two warm kind of refrigeration cycle in the Chinese document 2
Fig. 6 is the principle schematic of second kind of two warm kind of refrigeration cycle in the Chinese document 2
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As shown in Figure 1, the present invention includes a compressor 1, a condenser 2, an injector 3, a high-temperature evaporator 4, a cryogenic vaporizer 5, a throttling arrangement 6 and a gas-liquid separator 7.Wherein, the outlet of compressor 1 connects the import of condenser 2.First import of injector 3 is connected with the outlet of condenser 2, and second import is connected with the outlet of cryogenic vaporizer 5.The outlet of injector 3 is divided into two-way, and the throttling arrangement 6 of leading up to is connected with the import of cryogenic vaporizer 5, and another road is connected with the import of high-temperature evaporator 4, and the outlet of high-temperature evaporator 5 connects the import of compressor 1 through gas-liquid separator 7.
As shown in Figure 2, in the foregoing description, terminal 8 and one water circulating pump 9 of a radiation cooling can be provided with again, the outlet of radiation cooling end 8 connects the import of water circulating pump 9, the import of radiation cooling end 8 connects the high temperature cold water outlet of high-temperature evaporator 4, and the outlet of water circulating pump 14 connects the high temperature cold water import of high-temperature evaporator 4.
As shown in Figure 1, the present invention utilizes high-temperature evaporator 4 to handle sensible heat load, bear the temperature control task, utilize cryogenic vaporizer 5 to handle latent heat load, bear the humidity control task simultaneously, thereby satisfy different temperature, humidity demand for control, specific operation process is: when the latent heat load ratio increases, adjusting by throttling arrangement 6 increases the refrigerant flow that enters cryogenic vaporizer 5, satisfies the latent heat load processing demands; Otherwise then reduce the refrigerant flow that enters cryogenic vaporizer 5.When total load is a required overall refrigerating effect when increasing, satisfy the refrigerating capacity demand by the rotating speed that improves compressor 1; Otherwise then reduce the rotating speed of compressor 1.From cold-producing medium, three aspects of empty G﹠W, the present invention is realized the course of work of independent control temperature and humidity is described in detail below.
For cold-producing medium, gaseous refrigerant liquefy after condenser 2 condensations flows into injector 3, liquid refrigerant is from the nozzle ejection of injector 3, meanwhile, injector 3 injections are from the refrigerant vapour of cryogenic vaporizer 5 evaporations, the liquid refrigerant that condenser 2 flows out mixes diffusion with the refrigerant vapour that evaporates through cryogenic vaporizer 5 in injector 3, the cold-producing medium that a part is mixed behind the diffusion enters cryogenic vaporizer 5 through throttling arrangement 6, and evaporated refrigerant vapor enters injector 3 and again by the cold-producing medium injection that flows into from injector 3 nozzles; Cold-producing medium behind another part mixing diffusion enters high-temperature evaporator 4, enters gas-liquid separator 7 through the cold-producing medium of pervaporation and carries out gas-liquid separation.Through behind the gas-liquid separator 7, gaseous refrigerant enters compressor 1, and cold-producing medium after compression enters condenser 2 again.
For air, as shown in Figure 3, in said process, air obtains high temperature air 10 in condenser 2 and cold-producing medium heat exchange; A part high temperature air in cryogenic vaporizer 5 through with the cold-producing medium heat exchange after by cool-down dehumidification, obtain low temperature drying air 11; Another part high temperature air in high-temperature evaporator 4 through with the cold-producing medium heat exchange after, obtain Cryogenic air 12.
For water, as shown in Figure 2, water enters high-temperature evaporator 4 through the high temperature cold water import 13 of high-temperature evaporator 4, reduces the high temperature cold water that obtains (such as 18 ℃, but being not limited thereto) with temperature after the cold-producing medium heat exchange in the high-temperature evaporator 4; High temperature cold water is sent into radiation cooling end 8 via the high temperature cold water outlet 14 of high-temperature evaporator 4, and after radiation cooling end 8 carried out heat exchange, cold water temperature raise, and sends high-temperature evaporator 4 back to by water circulating pump 9 again.
The various embodiments described above only are used to illustrate the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement all should not got rid of outside protection scope of the present invention.
Claims (2)
1. two evaporating temperature air-conditioners of independently controlling of temperature and humidity is characterized in that it comprises a compressor, a condenser, an injector, a high-temperature evaporator, a cryogenic vaporizer, a throttling arrangement and a gas-liquid separator; The outlet of described compressor connects the import of described condenser; First import of described injector connects the outlet of described condenser, and second import connects the outlet of described cryogenic vaporizer; The outlet of described injector is divided into two-way, the described throttling arrangement of leading up to connects the import of described cryogenic vaporizer, another road connects the import of described high-temperature evaporator, and the outlet of described high-temperature evaporator connects the import of described compressor through described gas-liquid separator.
2. two evaporating temperature air-conditioners that a kind of temperature as claimed in claim 1 and humidity are independently controlled is characterized in that: it also comprises the terminal and water circulating pump of a radiation cooling, and the outlet of described radiation cooling end is connected with the import of described water circulating pump; The import of described radiation cooling end connects the high temperature cold water outlet of described high-temperature evaporator, and described recirculated water delivery side of pump connects the high temperature cold water import of described high-temperature evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110050911 CN102141316A (en) | 2011-03-03 | 2011-03-03 | Double-evaporation-temperature air conditioner with temperature and humidity controlled independently |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110050911 CN102141316A (en) | 2011-03-03 | 2011-03-03 | Double-evaporation-temperature air conditioner with temperature and humidity controlled independently |
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| CN 201110050911 Pending CN102141316A (en) | 2011-03-03 | 2011-03-03 | Double-evaporation-temperature air conditioner with temperature and humidity controlled independently |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625642A (en) * | 2012-03-31 | 2012-08-01 | 重庆大学 | Portable temperature-equalizing type spraying cooling circulating system for high-power electronic component |
| CN106369654A (en) * | 2016-11-28 | 2017-02-01 | 哈尔滨工大金涛科技股份有限公司 | Large-temperature-difference heat exchange device for Freon |
| US10113776B2 (en) | 2016-07-20 | 2018-10-30 | Haier Us Appliance Solutions, Inc. | Packaged terminal air conditioner unit |
| CN109556320A (en) * | 2018-11-09 | 2019-04-02 | 广东申菱环境系统股份有限公司 | A kind of compression/injection Composite Double vaporation-type humiture independence control air conditioner system |
| FR3077237A1 (en) * | 2018-01-31 | 2019-08-02 | Valeo Systemes Thermiques | REFRIGERANT FLUID CIRCUIT FOR VEHICLE |
| CN110410904A (en) * | 2019-07-24 | 2019-11-05 | 华中科技大学 | A kind of densification and high performance humiture independence control air conditioner system |
| CN110578985A (en) * | 2019-09-20 | 2019-12-17 | 青岛海信日立空调系统有限公司 | Control method of air conditioner and air conditioner |
| CN111023604A (en) * | 2018-10-10 | 2020-04-17 | 爱斯佩克株式会社 | Environmental test device and air conditioning device |
| CN112648695A (en) * | 2020-12-29 | 2021-04-13 | 明德倍适(天津)科技有限公司 | Radiation air conditioning system and temperature and humidity adjusting method |
| CN115854448A (en) * | 2022-12-28 | 2023-03-28 | 北京建筑大学 | Double-evaporation temperature and humidity independent control air conditioner |
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| US7520142B2 (en) * | 2005-04-01 | 2009-04-21 | Denso Corporation | Ejector type refrigerating cycle |
| CN101097099A (en) * | 2006-06-26 | 2008-01-02 | 株式会社电装 | Refrigerant cycle device with ejector |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625642A (en) * | 2012-03-31 | 2012-08-01 | 重庆大学 | Portable temperature-equalizing type spraying cooling circulating system for high-power electronic component |
| US10113776B2 (en) | 2016-07-20 | 2018-10-30 | Haier Us Appliance Solutions, Inc. | Packaged terminal air conditioner unit |
| CN106369654A (en) * | 2016-11-28 | 2017-02-01 | 哈尔滨工大金涛科技股份有限公司 | Large-temperature-difference heat exchange device for Freon |
| FR3077237A1 (en) * | 2018-01-31 | 2019-08-02 | Valeo Systemes Thermiques | REFRIGERANT FLUID CIRCUIT FOR VEHICLE |
| WO2019150025A1 (en) * | 2018-01-31 | 2019-08-08 | Valeo Systemes Thermiques | Vehicle refrigerant fluid circuit |
| CN111023604B (en) * | 2018-10-10 | 2022-02-18 | 爱斯佩克株式会社 | Environmental test device and air conditioning device |
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| CN109556320A (en) * | 2018-11-09 | 2019-04-02 | 广东申菱环境系统股份有限公司 | A kind of compression/injection Composite Double vaporation-type humiture independence control air conditioner system |
| CN109556320B (en) * | 2018-11-09 | 2023-11-03 | 广东申菱环境系统股份有限公司 | Compression/injection composite double-evaporation type temperature and humidity independent control air conditioning system |
| CN110410904A (en) * | 2019-07-24 | 2019-11-05 | 华中科技大学 | A kind of densification and high performance humiture independence control air conditioner system |
| CN110578985B (en) * | 2019-09-20 | 2021-04-16 | 青岛海信日立空调系统有限公司 | Control method of air conditioner and air conditioner |
| CN110578985A (en) * | 2019-09-20 | 2019-12-17 | 青岛海信日立空调系统有限公司 | Control method of air conditioner and air conditioner |
| CN112648695A (en) * | 2020-12-29 | 2021-04-13 | 明德倍适(天津)科技有限公司 | Radiation air conditioning system and temperature and humidity adjusting method |
| CN115854448A (en) * | 2022-12-28 | 2023-03-28 | 北京建筑大学 | Double-evaporation temperature and humidity independent control air conditioner |
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Application publication date: 20110803 |