CN101520219A - All-year cold supply chiller with natural cooling function - Google Patents
All-year cold supply chiller with natural cooling function Download PDFInfo
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- CN101520219A CN101520219A CN200910131510A CN200910131510A CN101520219A CN 101520219 A CN101520219 A CN 101520219A CN 200910131510 A CN200910131510 A CN 200910131510A CN 200910131510 A CN200910131510 A CN 200910131510A CN 101520219 A CN101520219 A CN 101520219A
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- 238000001816 cooling Methods 0.000 title claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims description 31
- 230000005520 electrodynamics Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 10
- 230000007704 transition Effects 0.000 abstract description 10
- 238000004378 air conditioning Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 10
- 238000005265 energy consumption Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The invention relates to an all-year cold supply chiller with natural cooling function. A compressor, an air connecting pipe, a condenser, a liquid connecting pipe, a throttling gear and an evaporator form a steam compression type refrigeration circulation loop; the evaporator, the air connecting pipe, the condenser arranged on the evaporator and the liquid connecting pipe, which are all in the steam compression type refrigeration circulation loop form a cold medium natural circulation loop by opening a heat pipe air valve on a heat pipe branch and a heat pipe liquid valve connected in parallel with the throttling gear, and closing a refrigeration air valve on an air suction pipe of the compressor. The all-year cold supply chiller can adopt an integral structure or a split structure, keeps the function of making air conditioning cold water in summer, can sufficiently utilize the natural cold energy of outdoor air to make cold water in transition seasons and winter, provides cold water for all-year cold supply areas, such as inner zone of buildings and highly heating areas, and has the remarkable advantages of simple structure, high efficiency and energy saving.
Description
Technical field
The present invention relates to a kind of all-year-around cooling handpiece Water Chilling Units, be specially adapted to also need provide in transition season and winter the occasion of air conditioner cold water, belong to field of Refrigeration and Air-conditioning equipment with natural cooling function.
Background technology
At present, have all bigger zone of a lot of annual caloric values in the building, as building inner region, main equipment machine room, extraordinary cooling machine room etc., these zones not only need cooling in summer, even also need cooling in transition season and winter, to offset refrigeration duty bigger in the zone.Indubitable, when adopting full air central air conditioner system, utilizing the outdoor new wind in transition season or winter to carry out cooling is good method, but because the air-supply energy consumption is high and the air channel takes up room is greatly the bottleneck that all building inner regions of restriction use all-air system, therefore, fan coil+fresh air conditioner system form that the still a large amount of employings of numerous inner region building can be saved space, but be the industry problem demanding prompt solution for transition season and winter producing cold water efficiently how always.
At present, solve transition season and winter the cooling problem mainly contain two kinds of methods, promptly utilize air-cooled handpiece Water Chilling Units refrigeration and utilize cooling tower cooling (Free cooling).But utilize the wind-cooled cold-water unit to have two remarkable shortcomings again: the running of power parts such as (1) compressor, blower fan brings bigger energy consumption; (2) during the unit winter operation, often low excessively because of the condensation end temperature, cause refrigeration system not run well, as take measures such as condensation pressure regulation valve, the adjusting of cooling fan speed change to improve condensing pressure, will occur problems such as the increase of unit energy consumption, operational reliability reduction again.
And when adopting the cooling tower cooling, the low-temperature cooling water of being produced by cooling tower carries out heat exchange through the cold water that heat exchanger and indoor fan coil pipe return, and cold is sent into indoor the cooling.When adopting the cooling tower cooling, the winter low temperature environment will cause cooling water pipe, cooling tower to freeze, and as cooling water pipe and cooling tower drip tray are taked antifreezing measures such as heating and reinforcement insulation, both increase investment, improve operating cost again.
Above-mentioned the analysis showed that in existing fan coil+fresh air conditioner system, also is difficult to realize efficient, reliable cooling in transition season and winter, awaits providing a kind of technical scheme of producing cold water more efficiently.
Summary of the invention
Shortcoming at above-mentioned prior art, the purpose of this invention is to provide and a kind ofly not only can normally freeze in summer, and transition season and winter with the all-year-around cooling handpiece Water Chilling Units of the cold high efficiency of transmission in the outdoor air to the band natural cooling function of cold water, with the efficient cooling of realization handpiece Water Chilling Units, and improve unit cooling reliability of operation in transition season and winter.
The objective of the invention is to realize by the following technical solutions.
A kind of all-year-around cooling handpiece Water Chilling Units with natural cooling function, comprise compressor 1, condenser 2, evaporimeter 4, liquid tube connector 9, throttling arrangement 3 and gas connection pipe 8, by compressor 1, condenser 2, by liquid tube connector 9, throttling arrangement 3, evaporimeter 4 and gas connection pipe 8 connect and compose the steam compression type refrigerating closed circuit in turn, it is characterized in that: at throttling arrangement 3 two ends parallel connection heat pipe liquid valves 7, on the compressor suction duct 10 between the air entry of compressor 1 and evaporimeter 4 outlets, refrigerant gas valve 6 is set, on the heat pipe branch road 11 between compressor 1 blast pipe and evaporimeter 4 outlets, heat pipe gas trap 5 is set, by the evaporimeter 4 that is positioned at condenser 2 bottoms, heat pipe gas trap 5, gas connection pipe 8, condenser 2, liquid tube connector 9, heat pipe liquid valve 7 and evaporimeter 4 constitute the refrigerant natural convection loop; Described each parts place and constitute the monoblock type unit in the same housing.
Second kind of technical scheme provided by the invention is:
A kind of all-year-around cooling handpiece Water Chilling Units with natural cooling function, comprise compressor 1, condenser 2, evaporimeter 4, liquid tube connector 9, throttling arrangement 3 and gas connection pipe 8, by compressor 1, condenser 2, liquid tube connector 9, throttling arrangement 3, evaporimeter 4 and gas connection pipe 8 connect and compose the steam compression type refrigerating closed circuit in turn, it is characterized in that: at throttling arrangement 3 two ends parallel connection heat pipe liquid valves 7, on the compressor suction duct 10 between the air entry of compressor 1 and evaporimeter 4 outlets, refrigerant gas valve 6 is set, on the heat pipe branch road 11 between compressor 1 blast pipe and evaporimeter 4 outlets, heat pipe gas trap 5 is set, by the evaporimeter 4 that is positioned at condenser 2 bottoms, heat pipe gas trap 5, gas connection pipe 8, condenser 2, liquid tube connector 9, heat pipe liquid valve 7 and evaporimeter 4 constitute the refrigerant natural convection loop; Condenser 2 is arranged in the upper unit 14, compressor 1, throttling arrangement 3, heat pipe liquid valve 7, evaporimeter 4, refrigerant gas valve 6 and heat pipe gas trap 5 are arranged in the next unit 15, described upper unit 14 is split settings with the next unit 15, the two is connected with liquid tube connector 9 by gas connection pipe 8, constitutes steam compression type refrigerating closed circuit and refrigerant natural convection loop.
In above-mentioned two schemes, described evaporimeter 4 is flooded evaporator or water tank type evaporimeter.Described condenser 2 is the combination of air cooled condenser, evaporative condenser or air cooled condenser and evaporative condenser.Described heat pipe gas trap 5, refrigerant gas valve 6, heat pipe liquid valve 7, be the combination of magnetic valve, electric control valve or magnetic valve and electric control valve; Described heat pipe gas trap 5 and refrigerant gas valve 6 can be merged into a triple valve, and described triple valve is electromagnetic type, electrodynamic type or self-operated three-way valve.Described throttling arrangement 3 is the combination of ball-cock assembly, electric expansion valve, orifice plate, capillary or these throttling arrangements.
Adopt technique scheme, both kept the function of existing handpiece Water Chilling Units refrigeration in summer, and can also utilize Natural Circulation that airborne cold energy is flowed in the air conditioner cold water in transition season and winter, realize the all-year-around cooling function thus, and have advantage simple in structure, that energy-saving effect is outstanding.Be in particular in the following aspects:
1. unit only increases parts such as heat pipe liquid valve, heat pipe gas trap and refrigerant gas valve on the basis of existing air-cooled handpiece Water Chilling Units, for the cooling tower cooling, need not comprise the cooling water system that equipment such as cooling tower, cooling water pump are formed, simplify system, reduced the investment of air-conditioning system;
2. the condenser side of unit utilizes outdoor air as cooling medium, and no cooling tower and cooling water pump operation energy consumption replace lower fan energy consumption, and energy-saving effect is obvious; The antifreeze problem of cooling tower system in winter has been avoided in the use of air-cooled condenser simultaneously, has also saved the operation power consumption of cooling tower antifreezing facility simultaneously;
3. when condenser employing evaporative condenser, then can reduce condensation temperature greatly, improve the heat transfer efficiency of condenser, thereby make when outdoor dry-bulb temperature is higher, still can utilize the refrigerant Natural Circulation to produce air conditioner cold water, prolong the running time of Natural Circulation, strengthen energy-saving effect.
Description of drawings
Fig. 1 places the structure principle chart that constitutes the monoblock type unit in the same housing for " the all-year-around cooling handpiece Water Chilling Units of band natural cooling function " provided by the invention each parts.
Fig. 2 is that " the all-year-around cooling handpiece Water Chilling Units of band natural cooling function " provided by the invention adopts split type structure principle chart.
Fig. 3 is " the all-year-around cooling handpiece Water Chilling Units of band natural cooling function " shown in Figure 2 fundamental diagram under the kind of refrigeration cycle pattern.
Fig. 4 is " the all-year-around cooling handpiece Water Chilling Units of band natural cooling function " shown in Figure 2 fundamental diagram under the refrigerant natural circulation mode.
The title of each Reference numeral among Fig. 1~Fig. 4 is as follows:
The 1-compressor; The 2-condenser; The 3-throttling arrangement; The 4-evaporimeter; 5-heat pipe gas trap; 6-refrigerant gas valve; 7-heat pipe liquid valve; The 8-gas connection pipe; 9-liquid tube connector; The 10-compressor suction duct; 11-heat pipe branch road; The 12-cooling water inlet; The 13-cooling water outlet; The upper unit of 14-; The next unit of 15-.
The specific embodiment
Fig. 1 has provided the structure principle chart of the all-year-around cooling handpiece Water Chilling Units employing monoblock type unit of band natural cooling function disclosed by the invention.This band cools off and strides the all-year-around cooling handpiece Water Chilling Units of cool storage function in season naturally, comprise compressor 1, condenser 2, evaporimeter 4, liquid tube connector 9, throttling arrangement 3 and gas connection pipe 8, by compressor 1, condenser 2, connect and compose the steam compression type refrigerating closed circuit in turn by liquid tube connector 9, throttling arrangement 3, evaporimeter 4 and gas connection pipe 8; At throttling arrangement 3 two ends parallel connection heat pipe liquid valves 7, on the compressor suction duct 10 between the air entry of compressor 1 and evaporimeter 4 outlets, refrigerant gas valve 6 is set, on the heat pipe branch road 11 between compressor 1 blast pipe and evaporimeter 4 outlets, heat pipe gas trap 5 is set, constitutes the refrigerant natural convection loop by the evaporimeter 4 that is positioned at condenser 2 bottoms, heat pipe gas trap 5, gas connection pipe 8, condenser 2, liquid tube connector 9, heat pipe liquid valve 7 and evaporimeter 4; Described each parts place and constitute the monoblock type unit in the same housing.
In the such scheme, described evaporimeter 4 is flooded evaporator or water tank type evaporimeter.Described condenser 2 is the combination of air cooled condenser, evaporative condenser or air cooled condenser and evaporative condenser.Described heat pipe gas trap 5, refrigerant gas valve 6, heat pipe liquid valve 7, be the combination of magnetic valve, electric control valve or magnetic valve and electric control valve; Described heat pipe gas trap 5 and refrigerant gas valve 6 can be merged into a triple valve, and described triple valve is electromagnetic type, electrodynamic type or self-operated three-way valve.Described throttling arrangement 3 is the combination of ball-cock assembly, electric expansion valve, orifice plate, capillary or these throttling arrangements.Cold water enters evaporimeter 4 from cooling water inlet 12, flows out from cooling water outlet 13 through heat exchange cooling back to feed to the user.
Fig. 2 is that " the all-year-around cooling handpiece Water Chilling Units of band natural cooling function " provided by the invention adopts split type structure principle chart.Condenser 2 is arranged in the upper unit 14, compressor 1, throttling arrangement 3, heat pipe liquid valve 7, evaporimeter 4, refrigerant gas valve 6 and heat pipe gas trap 5 are arranged in the next unit 15, described upper unit 14 is split settings with the next unit 15, the two is connected with liquid tube connector 9 by gas connection pipe 8, constitutes steam compression type refrigerating closed circuit and refrigerant natural convection loop.
When the split unit carries out the steam compression type refrigerating circulation time, as shown in Figure 3, open refrigerant gas valve 6, close heat pipe liquid valve 7 and heat pipe gas trap 5.Flow through evaporimeter 4, refrigerant gas valve 6, compressor suction duct 10, compressor 1, gas connection pipe 8, condenser 2, liquid tube connector 9 and throttling arrangement 3 of cold-producing medium constitutes the steam compression type refrigerations circulation.
When the split unit carries out the refrigerant natural convection loop, as shown in Figure 4, open heat pipe liquid valve 7 and heat pipe gas trap 5, close refrigerant gas valve 6.Flow through evaporimeter 4, heat pipe gas trap 5, gas connection pipe 8, condenser 2, liquid tube connector 9 and heat pipe liquid valve 7 of cold-producing medium constitutes the refrigerant Natural Circulation.
Claims (6)
1, a kind of all-year-around cooling handpiece Water Chilling Units with natural cooling function, comprise compressor (1), condenser (2), evaporimeter (4), liquid tube connector (9), throttling arrangement (3) and gas connection pipe (8), by described compressor (1), condenser (2), liquid tube connector (9), throttling arrangement (3), evaporimeter (4) and gas connection pipe (8) connect and compose the steam compression type refrigerating closed circuit in turn, it is characterized in that: at the two ends of described throttling arrangement (3) parallel connection heat pipe liquid valves (7), on the compressor suction duct (10) between the air entry of compressor (1) and evaporimeter (4) outlet, refrigerant gas valve (6) is set, on the heat pipe branch road (11) between compressor (1) blast pipe and evaporimeter (4) outlet, heat pipe gas trap (5) is set, by the evaporimeter (4) that is positioned at condenser (2) bottom, heat pipe gas trap (5), gas connection pipe (8), condenser (2), liquid tube connector (9), heat pipe liquid valve (7) and evaporimeter (4) constitute the refrigerant natural convection loop; Described each parts place and constitute the monoblock type unit in the same housing.
2, a kind of all-year-around cooling handpiece Water Chilling Units with natural cooling function, comprise compressor (1), condenser (2), evaporimeter (4), liquid tube connector (9), throttling arrangement (3) and gas connection pipe (8), by compressor (1), condenser (2), liquid tube connector (9), throttling arrangement (3), evaporimeter (4) and gas connection pipe (8) connect and compose the steam compression type refrigerating closed circuit in turn, it is characterized in that: at throttling arrangement (3) two ends parallel connection heat pipe liquid valves (7), on the compressor suction duct (10) between the air entry of compressor (1) and evaporimeter (4) outlet, refrigerant gas valve (6) is set, on the heat pipe branch road (11) between compressor (1) blast pipe and evaporimeter (4) outlet, heat pipe gas trap (5) is set, by the evaporimeter (4) that is positioned at condenser (2) bottom, heat pipe gas trap (5), gas connection pipe (8), condenser (2), liquid tube connector (9), heat pipe liquid valve (7) and evaporimeter (4) constitute the refrigerant natural convection loop; Condenser (2) is arranged in the upper unit (14), compressor (1), throttling arrangement (3), heat pipe liquid valve (7), evaporimeter (4), refrigerant gas valve (6) and heat pipe gas trap (5) are arranged in the next unit (15), described upper unit (14) is a split setting with the next unit (15), the two is connected with liquid tube connector (9) by gas connection pipe (8), constitutes steam compression type refrigerating closed circuit and refrigerant natural convection loop.
3, according to the all-year-around cooling handpiece Water Chilling Units of right 1 or 2 described band natural cooling functions, it is characterized in that: described evaporimeter (4) is flooded evaporator or water tank type evaporimeter.
4, according to the all-year-around cooling handpiece Water Chilling Units of right 1 or 2 described band natural cooling functions, it is characterized in that: condenser (2) is the combination of air cooled condenser, evaporative condenser or air cooled condenser and evaporative condenser.
5, according to the all-year-around cooling handpiece Water Chilling Units of right 1 or 2 described band natural cooling functions, it is characterized in that: described heat pipe gas trap (5), refrigerant gas valve (6), heat pipe liquid valve (7) are the combination of magnetic valve, electric control valve or magnetic valve and electric control valve; Described heat pipe gas trap (5) and refrigerant gas valve (6) can be merged into a triple valve, and described triple valve is electromagnetic type, electrodynamic type or self-operated three-way valve.
6, according to the all-year-around cooling handpiece Water Chilling Units of right 1 or 2 described band natural cooling functions, it is characterized in that: described throttling arrangement (3) is ball-cock assembly, electric expansion valve, orifice plate, capillary or the combination of these throttling arrangements.
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CN200910131510A CN101520219A (en) | 2009-04-03 | 2009-04-03 | All-year cold supply chiller with natural cooling function |
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Cited By (18)
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CN102425831A (en) * | 2011-11-18 | 2012-04-25 | 海信(山东)空调有限公司 | Motorless split-type heat-pipe air conditioner combined unit and refrigerating method |
CN102425880A (en) * | 2011-12-17 | 2012-04-25 | 山东小鸭零售设备有限公司 | Environmental cold source refrigerating system |
CN102434925A (en) * | 2011-09-06 | 2012-05-02 | 北京天云动力科技有限公司 | Energy-saving air conditioner cooling system in electric control cabinet cluster |
CN102589114A (en) * | 2012-01-12 | 2012-07-18 | 广东申菱空调设备有限公司 | Air-cooled water chiller with natural cooling function and control method for water chiller |
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CN104296296A (en) * | 2014-10-27 | 2015-01-21 | 北京德能恒信科技有限公司 | Single-cold type central air conditioner energy saving system |
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JP2015210011A (en) * | 2014-04-25 | 2015-11-24 | 株式会社ササクラ | Natural circulation type cooling device |
CN105241130A (en) * | 2015-11-19 | 2016-01-13 | 珠海格力电器股份有限公司 | Cooling unit and control method thereof |
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CN107461952A (en) * | 2017-08-02 | 2017-12-12 | 阿尔西制冷工程技术(北京)有限公司 | Low form cooling by wind and low form refrigeration unit |
CN110543223A (en) * | 2019-09-16 | 2019-12-06 | 无锡江南计算技术研究所 | Water cooling control system with hybrid control mode and control method thereof |
CN112066458A (en) * | 2020-09-07 | 2020-12-11 | 珠海格力电器股份有限公司 | Air conditioning unit adopting throttle valve and control method thereof |
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2009
- 2009-04-03 CN CN200910131510A patent/CN101520219A/en active Pending
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CN102997348A (en) * | 2011-09-08 | 2013-03-27 | 葛永乐 | Heat pipe energy-saving air conditioner special for novel machine room |
CN103047710A (en) * | 2011-10-17 | 2013-04-17 | 艾默生网络能源有限公司 | Motor room air conditioning system and control method |
CN102425831A (en) * | 2011-11-18 | 2012-04-25 | 海信(山东)空调有限公司 | Motorless split-type heat-pipe air conditioner combined unit and refrigerating method |
CN102425880A (en) * | 2011-12-17 | 2012-04-25 | 山东小鸭零售设备有限公司 | Environmental cold source refrigerating system |
CN102589114A (en) * | 2012-01-12 | 2012-07-18 | 广东申菱空调设备有限公司 | Air-cooled water chiller with natural cooling function and control method for water chiller |
CN103900221A (en) * | 2014-03-03 | 2014-07-02 | 广东申菱空调设备有限公司 | Natural cooling control system and control method thereof |
CN103900221B (en) * | 2014-03-03 | 2016-08-17 | 广东申菱环境系统股份有限公司 | A kind of natural cooling control system and control method thereof |
JP2015210011A (en) * | 2014-04-25 | 2015-11-24 | 株式会社ササクラ | Natural circulation type cooling device |
CN104296296A (en) * | 2014-10-27 | 2015-01-21 | 北京德能恒信科技有限公司 | Single-cold type central air conditioner energy saving system |
CN104676797A (en) * | 2015-03-04 | 2015-06-03 | 珠海格力电器股份有限公司 | Natural cooling air-cooled chiller unit and relative method and device |
CN104949364A (en) * | 2015-06-19 | 2015-09-30 | 郑州轻工业学院 | Machine room air conditioner |
CN105241130A (en) * | 2015-11-19 | 2016-01-13 | 珠海格力电器股份有限公司 | Cooling unit and control method thereof |
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CN107461952A (en) * | 2017-08-02 | 2017-12-12 | 阿尔西制冷工程技术(北京)有限公司 | Low form cooling by wind and low form refrigeration unit |
CN110543223A (en) * | 2019-09-16 | 2019-12-06 | 无锡江南计算技术研究所 | Water cooling control system with hybrid control mode and control method thereof |
CN112066458A (en) * | 2020-09-07 | 2020-12-11 | 珠海格力电器股份有限公司 | Air conditioning unit adopting throttle valve and control method thereof |
CN112378003A (en) * | 2020-11-05 | 2021-02-19 | 中国联合网络通信集团有限公司 | Energy-saving air conditioner and control method thereof |
CN113091355A (en) * | 2021-04-16 | 2021-07-09 | 东北大学 | Heat pipe and vapor compression composite air conditioning system and method with uniform liquid distribution |
CN113091355B (en) * | 2021-04-16 | 2021-11-19 | 东北大学 | Heat pipe and vapor compression composite air conditioning system and method with uniform liquid distribution |
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