CN201992898U - Dual-temperature water chilling unit for air-conditioning system - Google Patents
Dual-temperature water chilling unit for air-conditioning system Download PDFInfo
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- CN201992898U CN201992898U CN2011200585125U CN201120058512U CN201992898U CN 201992898 U CN201992898 U CN 201992898U CN 2011200585125 U CN2011200585125 U CN 2011200585125U CN 201120058512 U CN201120058512 U CN 201120058512U CN 201992898 U CN201992898 U CN 201992898U
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Abstract
The utility model discloses a dual-temperature water chilling unit for an air-conditioning system, which comprises a compressor, a condenser, a medium-temperature evaporator, a low-temperature evaporator, a first throttling element and a second throttling element. An inlet of the condenser is communicated with an exhaust port of the compressor; the dual-temperature water chilling unit further comprises an ejector; one end of the medium-temperature evaporator and one end of the low-temperature evaporator are respectively communicated with an outlet of the condenser through the first throttling element and the second throttling element; the other end of the medium-temperature evaporator and the other end of the low-temperature evaporator are respectively communicated with an entrance port and an injection port of the ejector; and an outlet of the ejector is communicated with an air intake port of the compressor. The dual-temperature water chilling unit provided by the utility model has the advantages of low cost, high energy-to-efficiency ratio, simpleness and convenience in construction and easiness in popularization as well as has remarkable economic and social benefits.
Description
Technical field
The utility model belongs to the Refrigeration ﹠ Air-Conditioning equipment technical field, relates in particular to a kind of double-temperature refrigerator water unit that is used for air-conditioning system.
Background technology
At present, the air-conditioning system of handpiece Water Chilling Units and air conditioning terminal product mix is a kind ofly to be widely used in system model in the building air conditioning by people, and inevitably there is the wet Combined Treatment energy waste of heat in the air conditioning mode of the wet Combined Treatment of this heat, is difficult to adapt to the variation of heat moisture ratio, grows a series of problems such as mould and transmission ﹠ distribution energy consumption are big easily.
In order to overcome the problems referred to above, the measure of generally taking is to use the humiture autonomous control system, this system adopts temperature and humidity two to overlap independently air-conditioner control system, control respectively, temperature and humidity in the conditioning chamber, thus the problem of the reduction of hot humidity Combined Treatment is brought in the conventional air-conditioning system energy waste and air quality avoided; And, regulate humidity by new wind, the terminal temperature of regulating of sensible heat can satisfy the requirement that the room heat moisture ratio constantly changes, and has avoided indoor humidity to cross and has exceeded low phenomenon.
Existing humiture independence control air conditioner system generally adopts two to overlap independently system, in the cold emission furred ceiling, adopt about 18 ℃ middle temperature cold water to bear the sensible heat part, in dedicated outdoor air system, adopt about 7 ℃ low-temperature cold water to take away the total heat load and the indoor latent heat load of new wind, yet, because the handpiece Water Chilling Units that is used for air-conditioning system in the prior art can only provide the low-temperature receiver of single water temperature, all develop to produce 7 ℃ of low-temperature cold water targets, the middle temperature cold water about 18 ℃ then generally obtains by underground water or high temperature cold water unit.This shows, because existing humiture independence control air conditioner system needs two to overlap handpiece Water Chilling Units independently and produce low-temperature cold water about 7 ℃ and about 18 ℃ middle temperature cold water respectively, system cost height not only, power consumption is big, and, also can cause the inconvenient problem of construction because of erection unit more; In addition, if groundwater abstraction then can cause the waste of groundwater resources.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the purpose of this utility model is to provide that a kind of cost is low, power consumption is few, the double-temperature refrigerator water unit that is used for air-conditioning system of easy construction.
A kind of double-temperature refrigerator water unit that is used for air-conditioning system that the utility model provides, it comprises compressor, condenser, in warm evaporimeter, cryogenic vaporizer, the first throttle element and second restricting element, the import of condenser is communicated with the exhaust outlet of compressor, also comprise injector, an end of warm evaporimeter and described cryogenic vaporizer is communicated with the outlet of described condenser through described first throttle element and described second restricting element respectively in described, the other end of warm evaporimeter and this cryogenic vaporizer is communicated with the entrance port and the ejecting port of described injector respectively in being somebody's turn to do, and the outlet of described injector is communicated with the air entry of described compressor.
Preferably, described injector is single-phase injector.
Preferably, described first throttle element and described second restricting element are respectively middle pressure choke valve and low pressure choke valve.
Second kind of double-temperature refrigerator water unit that is used for air-conditioning system that the utility model provides, it comprises compressor, condenser, middle temperature evaporimeter, cryogenic vaporizer and restricting element, the import of condenser is communicated with the exhaust outlet of compressor, also comprise injector, the entrance port of this injector is communicated with the outlet of described condenser, one end of described cryogenic vaporizer is communicated with described condensator outlet through described restricting element, the other end is communicated with the ejecting port of described injector, and the outlet of described injector warm evaporimeter in described is communicated with the air entry of described compressor.
Preferably, described injector is the two-phase injector.
Preferably, described restricting element is the low pressure choke valve.
The utility model provide the third be used for the double-temperature refrigerator water unit of air-conditioning system, it comprises compressor, condenser, in warm evaporimeter, cryogenic vaporizer, the first throttle element and second restricting element, the import of condenser is communicated with the exhaust outlet of compressor, also comprise injector and gas-liquid separator, an end of warm evaporimeter is communicated with the outlet of described condenser through described first throttle element in described, the other end is communicated with the import of described gas-liquid separator, the gas outlet of described gas-liquid separator is communicated with the entrance port of described injector, the liquid outlet of described gas-liquid separator is communicated with an end of described cryogenic vaporizer through described second restricting element, the other end of described cryogenic vaporizer is communicated with the ejecting port of described injector, and the outlet of described injector is communicated with the air entry of described compressor.
Preferably, described injector is single-phase injector.
Preferably, described first throttle element and described second restricting element are respectively middle pressure choke valve and low pressure choke valve.
" middle temperature " and " low temperature " in above-mentioned in warm evaporimeter and the cryogenic vaporizer all are relative concepts, and " middle temperature " generally is meant the temperature about 18 ℃, and " low temperature " generally is meant the temperature about 7 ℃.
Compared with prior art, the utility model has the advantages that: double-temperature refrigerator water unit of the present utility model, by injector middle temperature evaporimeter and cryogenic vaporizer are integrated in the handpiece Water Chilling Units, realized a handpiece Water Chilling Units, middle temperature cold water about 18 ℃ can be provided, low-temperature cold water about 7 ℃ can be provided again, therefore, not only reduce system cost, reduce power consumption, and erection unit is few, easy construction.This shows, the utlity model has that cost is low, Energy Efficiency Ratio is high, easy construction, the advantage that is easy to promote, have tangible economic benefit and social benefit.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment 1;
Fig. 2 is the schematic diagram of the utility model embodiment 2;
Fig. 3 is the schematic diagram of the utility model embodiment 3.
Description of reference numerals: 1-compressor; The 2-condenser; The 3-cryogenic vaporizer; Warm evaporimeter among the 4-; The 5-injector; 6-first throttle element; 7-second restricting element; The 8-gas-liquid separator.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Embodiment 1
As shown in Figure 1, the double-temperature refrigerator water unit that is used for air-conditioning system is by compressor 1, condenser 2, in warm evaporimeter 4, cryogenic vaporizer 3, injector 5, the first throttle element 6 and second restricting element 7 constitute, wherein, the import of condenser 2 is communicated with the exhaust outlet of compressor 1, in an end of warm evaporimeter 4 and cryogenic vaporizer 3 be communicated with the outlet of condenser 2 through the first throttle element 6 and second restricting element 7 respectively, the other end of warm evaporimeter 4 and this cryogenic vaporizer 3 is communicated with the entrance port and the ejecting port of injector 5 respectively in being somebody's turn to do, and the outlet of injector 5 is communicated with the air entry of compressor 1.In the present embodiment, condenser 2 can adopt water-cooled or air-cooled form, and middle temperature evaporimeter 4 and cryogenic vaporizer 3 adopt the water-cooled form; The first throttle element 6 and second restricting element 7 are respectively middle pressure choke valve and low pressure choke valve, and it adopts capillary, electric expansion valve or heating power expansion valve; Injector 5 is single-phase injector 5.
The principle of present embodiment is: the high-temperature high-pressure refrigerant of discharging from compressor 1 is divided into two-way after entering condenser 2 condensations, one the tunnel through warm evaporimeter 4 in entering after 6 throttlings of first throttle element, other one the tunnel through entering cryogenic vaporizer 3 after 7 throttlings of second restricting element, the overheated gaseous refrigerant of middle pressure that therefrom warm evaporimeter 4 comes out is as main fluid acceleration and pressure decrease in main burner of injector 5, the low pressure superheated gaseous refrigerant that injection comes out from cryogenic vaporizer 3, two fluid streams enter the diffusion chamber and boost after mixing chamber mixes, enter compressor 1 air entry then.In the therefrom warm cold water inlet of warm cold water enter in warm evaporimeter 4, by in after the warm refrigerant cools, form about 18 ℃ middle temperature cold water and enter ends such as the dry-type fan coil of humiture autonomous control system or radiant panel, remove the sensible heat in the room air, low-temperature cold water enters cryogenic vaporizer 3 from the low-temperature cold water inlet, after the low-temperature refrigerant cooling, the low-temperature cold water that forms about 7 ℃ enters the supply terminal device of humiture autonomous control system, removes the latent heat in the room air.
As shown in Figure 2, as different from Example 1, the entrance port of injector 5 is communicated with the outlet of condenser 2, one end of cryogenic vaporizer 3 is communicated with condenser 2 outlets through second restricting element 7, the other end is communicated with the ejecting port of injector 5, and warm evaporimeter 4 is communicated with the air entry of compressor 1 in the outlet warp of injector 5.In this enforcement, second restricting element 7 is the low pressure choke valve.
The principle of present embodiment is: the high-temperature high-pressure refrigerant of discharging from compressor 1 is divided into two-way after entering condenser 2 condensations, one passes by cold liquid directly enters acceleration and pressure decrease in injector 5 main burners from the entrance port as main fluid, another road is through entering cryogenic vaporizer 3 evaporations after 7 throttlings of second restricting element, enter the injector from ejecting port then, entering the diffusion chamber after mixing chamber mixes boosts, outlet for the middle compacting cryogen of certain mass dryness fraction in entering warm evaporimeter 4 evaporate, enter compressor 1 air entry then.
As shown in Figure 3, the double-temperature refrigerator water unit that is used for air-conditioning system is mainly by compressor 1, condenser 2, in warm evaporimeter 4, cryogenic vaporizer 3, injector 5, the gas-liquid separator 8 first throttle elements 6 and second restricting element 7 constitute, the import of condenser 2 is communicated with the exhaust outlet of compressor 1, in an end of warm evaporimeter 4 be communicated with through the outlet of first throttle element 6 with condenser 2, the other end is communicated with the import of gas-liquid separator 8, the gas outlet of gas-liquid separator 8 is communicated with the entrance port of injector 5, the liquid outlet of gas-liquid separator 8 is communicated with an end of cryogenic vaporizer 3 through second restricting element 7, the other end of cryogenic vaporizer 3 is communicated with the ejecting port of injector 5, and the outlet of injector 5 is communicated with the air entry of compressor 1.In the present embodiment, the first throttle element 6 and second restricting element 7 are respectively middle pressure choke valve and low pressure choke valve.
The principle of present embodiment is: the high-temperature high-pressure refrigerant of discharging from compressor 1 enters 6 throttlings of first throttle element after entering condenser 2 condensations, warm evaporimeter 4 heat absorbing parts evaporation in entering afterwards, in the gas-liquid two-phase cold-producing medium of warm evaporimeter 4 outlets enter gas-liquid separator 8 and separate, saturated gaseous refrigerant enters acceleration and pressure decrease in the main burner, the saturated liquid refrigerant of gas-liquid separator 8 outlets simultaneously enters cryogenic vaporizer 3 evaporations after 7 throttlings of second restricting element, the superheated refrigerant that forms is entered injector 5 by injection, enter the diffusion chamber after two fluid streams are mixed and boost in mixing chamber, enter compressor 1 air entry then.
Above embodiment is integrated in middle temperature evaporimeter and cryogenic vaporizer in the handpiece Water Chilling Units by injector, realized a handpiece Water Chilling Units, middle temperature cold water about 18 ℃ can be provided, low-temperature cold water about 7 ℃ can be provided again, therefore, not only reduce system cost, reduce power consumption, and erection unit is few, easy construction.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (9)
1. double-temperature refrigerator water unit that is used for air-conditioning system, it comprises compressor, condenser, in warm evaporimeter, cryogenic vaporizer, the first throttle element and second restricting element, the import of condenser is communicated with the exhaust outlet of compressor, it is characterized in that: also comprise injector, an end of warm evaporimeter and described cryogenic vaporizer is communicated with the outlet of described condenser through described first throttle element and described second restricting element respectively in described, the other end of warm evaporimeter and this cryogenic vaporizer is communicated with the entrance port and the ejecting port of described injector respectively in being somebody's turn to do, and the outlet of described injector is communicated with the air entry of described compressor.
2. the double-temperature refrigerator water unit that is used for air-conditioning system according to claim 1, it is characterized in that: described injector is single-phase injector.
3. the double-temperature refrigerator water unit that is used for air-conditioning system according to claim 1 is characterized in that: described first throttle element and described second restricting element are respectively middle pressure choke valve and low pressure choke valve.
4. double-temperature refrigerator water unit that is used for air-conditioning system, it comprises compressor, condenser, middle temperature evaporimeter, cryogenic vaporizer and restricting element, the import of condenser is communicated with the exhaust outlet of compressor, it is characterized in that: also comprise injector, the entrance port of this injector is communicated with the outlet of described condenser, one end of described cryogenic vaporizer is communicated with described condensator outlet through described restricting element, the other end is communicated with the ejecting port of described injector, and the outlet of described injector warm evaporimeter in described is communicated with the air entry of described compressor.
5. the double-temperature refrigerator water unit that is used for air-conditioning system according to claim 4, it is characterized in that: described injector is the two-phase injector.
6. the double-temperature refrigerator water unit that is used for air-conditioning system according to claim 4, it is characterized in that: described restricting element is the low pressure choke valve.
7. double-temperature refrigerator water unit that is used for air-conditioning system, it comprises compressor, condenser, in warm evaporimeter, cryogenic vaporizer, the first throttle element and second restricting element, the import of condenser is communicated with the exhaust outlet of compressor, it is characterized in that: also comprise injector and gas-liquid separator, an end of warm evaporimeter is communicated with the outlet of described condenser through described first throttle element in described, the other end is communicated with the import of described gas-liquid separator, the gas outlet of described gas-liquid separator is communicated with the entrance port of described injector, the liquid outlet of described gas-liquid separator is communicated with an end of described cryogenic vaporizer through described second restricting element, the other end of described cryogenic vaporizer is communicated with the ejecting port of described injector, and the outlet of described injector is communicated with the air entry of described compressor.
8. the double-temperature refrigerator water unit that is used for air-conditioning system according to claim 7, it is characterized in that: described injector is single-phase injector.
9. the double-temperature refrigerator water unit that is used for air-conditioning system according to claim 7 is characterized in that: described first throttle element and described second restricting element are respectively middle pressure choke valve and low pressure choke valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200585125U CN201992898U (en) | 2011-03-08 | 2011-03-08 | Dual-temperature water chilling unit for air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200585125U CN201992898U (en) | 2011-03-08 | 2011-03-08 | Dual-temperature water chilling unit for air-conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN201992898U true CN201992898U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200585125U Expired - Lifetime CN201992898U (en) | 2011-03-08 | 2011-03-08 | Dual-temperature water chilling unit for air-conditioning system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307825A (en) * | 2012-03-07 | 2013-09-18 | 刘雄 | Control method of heat pump refrigeration equipment |
| CN103743020A (en) * | 2014-01-20 | 2014-04-23 | 西安建筑科技大学 | Dual-temperature radiation household air-conditioner capable of processing fresh air |
| CN105324581A (en) * | 2013-06-18 | 2016-02-10 | 株式会社电装 | Ejector |
| CN105737459A (en) * | 2016-04-13 | 2016-07-06 | 广东美芝制冷设备有限公司 | Air conditioner |
| CN108106047A (en) * | 2017-12-15 | 2018-06-01 | 山东大学 | CO with injector2Dual temperature refrigeration system, method and its application |
| CN110806033A (en) * | 2019-10-29 | 2020-02-18 | 中机国能炼化工程有限公司 | Critical CO is striden in coupling of two subcooler series connection expander2Dual-temperature zone system and application |
-
2011
- 2011-03-08 CN CN2011200585125U patent/CN201992898U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307825A (en) * | 2012-03-07 | 2013-09-18 | 刘雄 | Control method of heat pump refrigeration equipment |
| CN105324581A (en) * | 2013-06-18 | 2016-02-10 | 株式会社电装 | Ejector |
| CN105324581B (en) * | 2013-06-18 | 2017-11-21 | 株式会社电装 | Injector |
| CN103743020A (en) * | 2014-01-20 | 2014-04-23 | 西安建筑科技大学 | Dual-temperature radiation household air-conditioner capable of processing fresh air |
| CN103743020B (en) * | 2014-01-20 | 2016-03-02 | 西安建筑科技大学 | A kind of two temperature radiation room air conditioners processing new wind |
| CN105737459A (en) * | 2016-04-13 | 2016-07-06 | 广东美芝制冷设备有限公司 | Air conditioner |
| CN108106047A (en) * | 2017-12-15 | 2018-06-01 | 山东大学 | CO with injector2Dual temperature refrigeration system, method and its application |
| CN108106047B (en) * | 2017-12-15 | 2019-12-17 | 山东大学 | CO with ejector2dual temperature refrigeration system, method and application thereof |
| CN110806033A (en) * | 2019-10-29 | 2020-02-18 | 中机国能炼化工程有限公司 | Critical CO is striden in coupling of two subcooler series connection expander2Dual-temperature zone system and application |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |