CN203010887U - Machine room air conditioner with synchronous supercooling and superheating - Google Patents

Machine room air conditioner with synchronous supercooling and superheating Download PDF

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Publication number
CN203010887U
CN203010887U CN 201220587873 CN201220587873U CN203010887U CN 203010887 U CN203010887 U CN 203010887U CN 201220587873 CN201220587873 CN 201220587873 CN 201220587873 U CN201220587873 U CN 201220587873U CN 203010887 U CN203010887 U CN 203010887U
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CN
China
Prior art keywords
coil
condenser
outlet
supercooling
assembly
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Withdrawn - After Issue
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CN 201220587873
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Chinese (zh)
Inventor
张忠斌
黄虎
袁祎
刘晓露
张敬坤
刘娜
潘亚梅
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Nanjing Canatal Air Condition Elect & Mech Co Ltd
Nanjing Normal University
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Nanjing Canatal Air Condition Elect & Mech Co Ltd
Nanjing Normal University
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Priority to CN 201220587873 priority Critical patent/CN203010887U/en
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Publication of CN203010887U publication Critical patent/CN203010887U/en
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Abstract

The utility model discloses a machine room air conditioner with synchronous supercooling and superheating. The machine air conditioner with the synchronous supercooling and superheating comprises a compressor, a condenser assembly, an expansion valve and an evaporator assembly, wherein the compressor, the condenser assembly, the expansion valve and the evaporator assembly are connected in sequence. An outlet of the evaporator assembly is connected with an inlet of the compressor to form a refrigeration recirculation loop. The condenser assembly comprises a multi-branch condensing coil, a high-pressure liquid storage tank, a liquid collection device, a supercooling coil and a condenser draught fan, wherein the supercooling coil is arranged at the position, with a best heat exchanging effect, in the condenser assembly and is parallel to the multi-branch condensing coil, an outlet of a condensing coil, with a worst condensing effect, of a branch in the multi-branch condensing coil is connected with an inlet of the high-pressure liquid storage tank, an outlet of the high-pressure liquid storage tank and outlets of condensing coils of other branches are together connected with an inlet of the liquid collection device, and an outlet of the liquid collection device is connected with an inlet of the expansion valve through the supercooling coil. The machine air conditioner with the synchronous supercooling and superheating effectively solves the problem of loss of an obtained supercooling and avoids wet compression of the compressor, and refrigeration performance and operation stability of the machine room air conditioner are improved.

Description

Cross the cold machine room air conditioner of crossing hotsync
Technical field
The utility model belongs to the Building Environment and Equipment Engineering technical field, relates to a kind of machine room air conditioner.
Background technology
Air conditioner in machine room is a kind of providing to computer and data processor room such as air circulation, air filtration, unit type air conditioner cooling, that heat and humidity are controlled again.Computer-room air conditioning system has certain requirement to degree of supercooling, often needs to increase the cold-producing medium degree of supercooling, improves the refrigeration efficiency ratio of air conditioner in machine room.
The air conditioner in machine room of a patent of invention CN200910033112.6 big supercooling degree, cold-producing medium enters multiple branch circuit condenser coil and air heat-exchange condensation, enter the high pressure fluid reservoir after converging into a road, from the high pressure fluid reservoir, cold-producing medium out enters sub-cooling coil and carried out cold treatment, thereby has improved the degree of supercooling of cold-producing medium.
Inhomogeneous due to the air side flow field, each branch road heat exchange of multiple branch circuit condenser coil is also inhomogeneous, some branch road good effect of heat exchange, and some branch road heat transfer effects are bad.The branch road of good effect of heat exchange, the abundant condensation of cold-producing medium, obtained larger cold-producing medium degree of supercooling; The branch road that heat transfer effect is bad, cold-producing medium can not complete abundant condensation, and the degree of supercooling of cold-producing medium is not high or there is no a degree of supercooling.The branch road that good effect of heat exchange, degree of supercooling are large and the branch road that heat transfer effect is bad, degree of supercooling is little, that converges into one brain behind a road enters the high pressure fluid reservoir.Due to the gas-liquid two-phase effect of high pressure fluid reservoir, the degree of supercooling of refrigeration system is suppressed together, even the branch road of good effect of heat exchange has obtained very large cold-producing medium degree of supercooling, also under the gas-liquid two-phase effect of high pressure fluid reservoir, is consumed totally.
Cold-producing medium from the high pressure fluid reservoir out after, then enter sub-cooling coil and obtain again certain degree of supercooling, can be described as the remedial measure of doing something against one's will.
So, the air conditioner in machine room of a patent of invention CN200910033112.6 big supercooling degree has been sacrificed on the one hand the cold-producing medium of the branch road that heat exchange is good and has been crossed cold energy power, the area that must increase on the other hand sub-cooling coil makes up and regains in other words the degree of supercooling that refrigeration system needs, reduce first the heat transfer effect of condenser, reduced the refrigeration efficiency ratio of refrigeration system; Second virtually increase the area of sub-cooling coil, improved the initial cost of equipment.
In addition, it should be noted that the refrigerant superheat degree of compressor inlet often needs to be controlled at 5 ℃~11 ℃: the degree of superheat is too low, and compressor easily forms Wet Compression, affects stability and the security of refrigeration system; The degree of superheat is too high, and the delivery temperature of compressor is too high, and the input power of compressor increases, and the performance of refrigeration system reduces, and its stability and security simultaneously also can not be guaranteed.The air conditioner in machine room of a patent of invention CN200910033112.6 big supercooling degree, do not consider the problem that the refrigerant superheat degree is controlled.
Summary of the invention
technical problem:the utility model provides a kind of refrigeration efficiency ratio that improves system, the degree of superheat of effective increase system degree of supercooling and control system, improve service behaviour and the security performance of refrigeration system, improve the synchronous overheated machine room air conditioner of cold-peace of crossing of the operating condition of unit.
technical scheme:the cold machine room air conditioner of crossing hotsync of mistake of the present utility model, comprise the compressor, condenser assembly, expansion valve, the evaporator assembly that connect successively, and the outlet of evaporator assembly is connected with the import of compressor, forms the kind of refrigeration cycle loop, condenser assembly comprises the multiple branch circuit condenser coil, the high pressure fluid reservoir, liquid collector, sub-cooling coil, condenser fan, sub-cooling coil is arranged on the best position of heat transfer effect in condenser assembly parallel with the multiple branch circuit condenser coil, in the multiple branch circuit condenser coil condensation effect the outlet of the condenser coil of poor branch road with the import of high pressure fluid reservoir, be connected, the outlet of high pressure fluid reservoir first is connected by pipeline with the outlet of the condenser coil of other branch roads, and then jointly with the import of liquid collector, be connected, the outlet of liquid collector is connected with the import of expansion valve by sub-cooling coil.
In the utility model, evaporator assembly can comprise multiple branch circuit evaporation coil, gas collecting apparatus, cross hot coil, evaporator fan, cross hot coil and be arranged on the poorest position of heat transfer effect in evaporator assembly parallel with the multiple branch circuit evaporation coil, the outlet of multiple branch circuit evaporation coil is connected with the import of gas collecting apparatus, the outlet of gas collecting apparatus is connected with the import of crossing hot coil, crosses the outlet of hot coil and the import of compressor and is connected.
Kind of refrigeration cycle is as follows: become high temperature and high pressure gas after the compressed machine of cold-producing medium, enter in the multiple branch circuit condenser coil and air heat-exchange; The poorest branch road cold-producing medium of heat transfer effect enters the high pressure fluid reservoir, then, after converging with all the other branch roads, through the common sub-cooling coil that is positioned at the best branch road of heat transfer effect, carries out cold heat exchange; Cold-producing medium with big supercooling degree carrys out throttling through expansion valve, after entering the heat exchange of multiple branch circuit evaporation coil, through common be positioned at heat transfer effect the hot coil of crossing of poor branch road carry out Overheating Treatment; Return to compressor, complete whole process of refrigerastion.
The multiple branch circuit condenser coil consists of the multiple branch circuit condenser pipe, is the multiple branch circuit heat exchanger.Wherein, the poorest branch road of heat transfer effect is flowed through after the high pressure fluid reservoir, then, after gathering with other branch roads, passes through together the sub-cooling coil of the benefit of air heat-exchange effect.Like this, good effect of heat exchange in condenser, obtained than the cold-producing medium of big supercooling degree and be fully utilized, and then poor with heat transfer effect, do not obtain enough degree of supercoolings and experience the refrigerant mixed of reservoir gas-liquid two-phase effect, again through one section common sub-cooling coil section that heat transfer effect is best, the degree of supercooling of system is improved to greatest extent, and can suitably reduce the heat exchange area of sub-cooling coil, reduces the initial cost of refrigeration system.Why, sub-cooling coil is placed in the multiple branch circuit condenser coil and the best place of air heat-exchange effect, and purpose is exactly in order to improve the degree of supercooling of refrigeration system, guarantees that the degree of supercooling of refrigeration system at least is greater than 3 ℃, and larger refrigeration is better.
The multiple branch circuit evaporation coil consists of the multiple branch circuit evaporation tube, it is also the multiple branch circuit heat exchanger, cold-producing medium is through passing through the evaporimeter branch road, pass through together again and the air heat-exchange effect superheater at poor place, increased common superheat section, make its refrigerant mixed even, can control its degree of superheat, thereby the refrigerant superheat degree of assurance compressor inlet is at 5 ℃~11 ℃.Improved the performance of refrigeration system, its stability and security simultaneously also guaranteed.Why cross hot coil and be placed in evaporator assembly and the poorest place of air heat-exchange effect, purpose is to guarantee that refrigeration system has certain degree of superheat, generally is greater than 5 ℃.But control to some extent, the degree of superheat is not the bigger the better, generally not over 11 ℃.That is to say, the degree of superheat of refrigeration system need to be controlled in the interval of 5~11 ℃.
beneficial effect:compared to the prior art, the utlity model has following advantage:
(1) described multiple branch circuit condenser coil consists of multiple branch circuit condensing heat-exchange coil pipe, and sub-cooling coil is arranged in the condenser assembly branch road place best with the air heat-exchange effect.Common sub-cooling coil section, improved the heat transfer effect of condenser assembly greatly, guaranteed the degree of supercooling of cold-producing medium.The raising of condenser assembly heat transfer effect, improved the refrigerating capacity of system, improved refrigeration efficiency than (EER), and can reduce the area of sub-cooling coil, reduced the initial cost of equipment.And when big supercooling degree can be guaranteed by expansion valve, cold-producing medium exists without bubble, strengthen stability and the reliability of expansion valve work.
(2) described multiple branch circuit evaporation coil consists of multiple branch circuit evaporation and heat-exchange coil pipe, and superheater is arranged in the evaporator assembly branch road place the poorest with the air heat-exchange effect.The common hot coil of crossing, the degree of superheat of control cold-producing medium, guarantee that the refrigerant superheat degree of compressor inlet is at 5 ℃~11 ℃.Improved the performance of refrigeration system, its stability and security simultaneously also guaranteed.
(3) selectively make in the multiple branch circuit condenser coil after the poorest branch road of heat transfer effect enters the high pressure fluid reservoir, after converging with all the other branch roads again, carried out cold heat exchange through being arranged in the best branch road place of condenser assembly and air heat-exchange effect together, effectively improve the heat transfer effect of multiple branch circuit condenser coil, improve the degree of supercooling of cold-producing medium.
The accompanying drawing explanation
Fig. 1 is disclosed air conditioner in machine room schematic diagram in prior art.
Fig. 2 is the cold machine room air conditioner schematic diagram of crossing hotsync of mistake of the present utility model.
Fig. 3 is the structure cutaway view of condenser assembly in the utility model embodiment mono-.
Fig. 4 is the air wind speed field polar plot of condenser in the utility model embodiment mono-.
Fig. 5 is the structure chart of condenser in the utility model embodiment bis-.
Fig. 6 is the air wind speed field polar plot of condenser in the utility model embodiment bis-.
Fig. 7 is the structure chart of condenser in the utility model embodiment tri-.
Fig. 8 is the air wind speed field polar plot of condenser in the utility model embodiment tri-.
Fig. 9 is the structure chart of evaporimeter in the utility model embodiment mono-.
Figure 10 is the air wind speed field polar plot of evaporimeter in the utility model embodiment mono-.
Figure 11 is the structure chart of evaporimeter in the utility model embodiment bis-.
Figure 12 is the air wind speed field polar plot of evaporimeter in the utility model embodiment bis-.
Figure 13 is the structure chart of evaporimeter in the utility model embodiment tri-.
Figure 14 is the air wind speed field polar plot of evaporimeter in the utility model embodiment tri-.
In figure: 1-compressor 2-condenser assembly; 21-multiple branch circuit condenser coil; The poorest branch road of 211-condensation effect; 22-high pressure fluid reservoir; The 23-liquid collector; The 24-sub-cooling coil; The 25-condensation fan; The 3-evaporator assembly; 31-multiple branch circuit evaporation coil; The 32-gas collecting apparatus; 33-crosses hot coil; The 34-evaporator fan; The 4-expansion valve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
The utility model is crossed the cold machine room air conditioner of crossing hotsync, comprises the compressor 1, condenser assembly 2, expansion valve 4, the evaporator assembly 3 that connect successively, and the outlet of evaporator assembly 3 is connected with the import of compressor 1, forms the kind of refrigeration cycle loop, condenser assembly 2 comprises multiple branch circuit condenser coil 21, high pressure fluid reservoir 22, liquid collector 23, sub-cooling coil 24, condenser fan 25, sub-cooling coil 24 is arranged on the best position of heat transfer effect in condenser assembly 2 parallel with multiple branch circuit condenser coil 21, in multiple branch circuit condenser coil 21, the outlet of the condenser coil of the poorest branch road 211 of condensation effect is connected with the import of high pressure fluid reservoir 22, the outlet of high pressure fluid reservoir 22 first is connected by pipeline with the outlet of the condenser coil of other branch roads, and then jointly with the import of liquid collector 23, be connected, the outlet of liquid collector 23 is connected with the import of expansion valve 4 by sub-cooling coil 24.The condenser coil of other branch roads herein refers to the heat exchange coil except the condenser coil of the poorest branch road 211 of condensation effect in multiple branch circuit condenser coil 21.The import of multiple branch circuit condenser coil 21 is the import of condenser assembly 2, and the outlet of sub-cooling coil 24 is the mouth of locating of condenser assembly 2.
In another embodiment of the present utility model, evaporator assembly 3 comprises multiple branch circuit evaporation coil 31, gas collecting apparatus 32, crosses hot coil 33, evaporator fan 34, cross hot coil 33 and be arranged on the poorest position of heat transfer effect in evaporator assembly 3 parallel with multiple branch circuit evaporation coil 31, the outlet of multiple branch circuit evaporation coil 31 is connected with the import of gas collecting apparatus 32, the outlet of gas collecting apparatus 32 is connected with the import of crossing hot coil 33, and the outlet of crossing hot coil 33 is connected with the import of compressor 1.The import of multiple branch circuit evaporation coil 31 is the import of evaporator assembly 3, and the outlet of crossing hot coil 33 is the outlet of evaporator assembly 3.
In the utility model, compressor 1 is connected with multiple branch circuit condenser coil 21, and the poorest branch road 211 of condensation effect is connected with high pressure fluid reservoir 22, after the branch road after high pressure fluid reservoir 22 and all the other branch roads converge by liquid collector 23, with sub-cooling coil 33, be connected, sub-cooling coil 33 connects expansion valve 4; Pass through again multiple branch circuit evaporation coil 31, after then by gas collecting apparatus 32, branch road being converged, enter be positioned at evaporator assembly 3 heat transfer effects the poorest place cross hot coil 33, finally return to compressor 1.Evaporator fan 34 and condenser fan 25 are used for cold-producing medium and air enhanced heat exchange.
During device work of the present utility model, after the compressed machine 1 of cold-producing medium, become high temperature and high pressure gas, enter in multiple branch circuit condenser coil 21 and air heat-exchange, under condenser fan 25 powerful air flow fields effects, cold-producing medium and air heat-exchange, temperature reduces.Cold-producing medium in the poorest branch road 211 of heat transfer effect enters high pressure fluid reservoir 22, through high pressure fluid reservoir 22 out after with all the other branch roads in cold-producing medium converge, through being positioned at the sub-cooling coil 24 of the benefit of the total 2 one-tenth heat transfer effects of condenser, again utilize the efficient wind field of condenser fan 25, reach the excessively cold purpose of increase.Cold-producing medium with big supercooling degree carrys out throttling through expansion valve 4, because have larger degree of supercooling, during through expansion valve 4, without bubble, exists, and makes cold-producing medium have more stability when throttling.The low-temp low-pressure liquid of process expansion valve 4 enters has 31 heat exchange of multiple branch circuit evaporation coil, heat in absorption chamber under the Wind of evaporator fan 34, reach the purpose of refrigeration, then converge the cold-producing medium branch road more together through being positioned at evaporator assembly 3 heat transfer effects the poorest place cross hot coil 33 after, guarantee that the refrigerant superheat degree of compressor inlet is at 5 ℃~11 ℃, return to again compressor 1, complete whole process of refrigerastion.Ownership cryogen equipment connects by refrigerant tubing, and cold-producing medium working medium adopts R22, R134a or R410A etc.
The utility model is crossed the cold machine room air conditioner of crossing hotsync, and condenser and evaporator fan air-out position have three kinds: upper air-out, lower air-out, the wind of clearing, corresponding air wind speed field polar plot is upper triangle, lower triangle, positive intermediate cam.Based on this, the poorest condensation branch road and the poorest heat exchange branch road in condenser assembly and evaporator assembly also have three kinds of situations.Like this, at least can corresponding 3 * 3=9 kind combination.Respectively air-out air-out on corresponding indoor set evaporator fan, lower air-out, the wind of clearing respectively on the outdoor condenser blower fan; Air-out air-out on corresponding indoor set evaporator fan, lower air-out, the wind of clearing respectively under the outdoor condenser blower fan; Outdoor condenser blower fan clear wind air-out on corresponding indoor set evaporator fan, lower air-out, the wind of clearing respectively.
Embodiment mono-of the present utility model, i.e. the first type condenser and evaporimeter.Condenser and evaporator fan are all upper air-out, the distributing vector icon of their wind speed triangle that closes.In the definite situation of heat exchanger structure form, the upper Triangle-Profile polar plot of this specific air supply mode and wind speed has relation one to one.From upper triangle wind speed profile polar plot, heat exchanger top wind speed is large, therefore when extraneous air is horizontal while plunderring the heat exchanger upper branch and tube refrigerant generation forced heat-exchanging is effective, so a branch road of the topmost of the utility model condenser assembly 2 is set to sub-cooling coil 24; Heat exchanger bottom wind speed is little, therefore when extraneous air is horizontal while plunderring the heat exchanger lower leg and the tube refrigerant heat transfer effect is poor, so a branch road of the foot of the utility model evaporator assembly 3 was set to hot coil 33, the foot coil pipe of condenser assembly 2 is the poorest branch road 211 of condensation effect.Compressor 1 is connected with multiple branch circuit condenser coil 21, the poorest branch road 211 of condensation effect is connected with high pressure fluid reservoir 22, after branch road after high pressure fluid reservoir 22 and all the other branch roads converge by liquid collector 23, with sub-cooling coil 33, be connected, sub-cooling coil 33 connects expansion valve 4; Pass through again multiple branch circuit evaporation coil 31, after then by gas collecting apparatus 32, branch road being converged, enter be positioned at evaporator assembly 3 heat transfer effects the poorest place cross hot coil 33, finally return to compressor 1.Evaporator fan 34 and condenser fan 25 are used for cold-producing medium and air enhanced heat exchange.
Embodiment bis-of the present utility model, i.e. the second type condenser and evaporimeter.Condenser and evaporator fan are all lower air-out, and the distributing vector figure of their wind speed meets lower triangle.In the definite situation of heat exchanger structure form, the lower Triangle-Profile polar plot of this specific air supply mode and wind speed has relation one to one.From lower triangle wind speed profile polar plot, heat exchanger bottom wind speed is large, therefore when extraneous air is horizontal while plunderring the heat exchanger lower leg and tube refrigerant generation forced heat-exchanging is effective, so the utility model is designed to sub-cooling coil 24 by a branch road of the foot of condenser assembly 2; Heat exchanger top wind speed is little, therefore when extraneous air is horizontal while plunderring the heat exchanger upper branch and the tube refrigerant heat transfer effect is poor, so the utility model was designed to hot coil 33 by a branch road of evaporator assembly 3 topmosts, the topmost coil pipe of condenser assembly 2 is the poorest branch road 211 of condensation effect.Evaporator assembly 3 comprises multiple branch circuit evaporation coil 31, gas collecting apparatus 32, crosses hot coil 33, evaporator fan 34, cross hot coil 33 and be arranged on the poorest position of heat transfer effect in evaporator assembly 3 parallel with multiple branch circuit evaporation coil 31, the outlet of multiple branch circuit evaporation coil 31 is connected with the import of gas collecting apparatus 32, the outlet of gas collecting apparatus 32 is connected with the import of crossing hot coil 33, and the outlet of crossing hot coil 33 is connected with the import of compressor 1.
Embodiment tri-of the present utility model, i.e. the third type condenser and evaporimeter.Condenser and evaporator fan are all the wind of clearing, and the distributing vector figure of their wind speed meets equilateral triangle.In the definite situation of heat exchanger structure form, the equilateral triangle distributing vector figure of this specific air supply mode and wind speed has relation one to one.From equilateral triangle wind speed profile polar plot, heat exchanger middle part wind speed is large, therefore when extraneous air is horizontal while plunderring heat exchanger middle part branch road and tube refrigerant generation forced heat-exchanging is effective, so the utility model branch road that condenser assembly 2 is middle is designed to sub-cooling coil 24, heat exchanger top and bottom wind speed are little, therefore when extraneous air is horizontal while plunderring heat exchanger top or lower leg and the tube refrigerant heat transfer effect is poor, cross so arranging of hot coil 33 in evaporator assembly 2 three kinds of selection modes are just arranged, it is respectively a branch road of topmost, two branch roads of branch road of foot or topmost and foot are simultaneously as crossing hot coil 33, it was hot coil 33 that the present embodiment is selected a branch road of topmost, and it is parallel to each other with multiple branch circuit evaporation coil 31 to cross hot coil 33, the outlet of multiple branch circuit evaporation coil 31 is connected with the import of gas collecting apparatus 32, the outlet of gas collecting apparatus 32 is connected with the import of crossing hot coil 33, the outlet of crossing hot coil 33 is connected with the import of compressor 1, in like manner, three kinds of selections are also arranged in the design of the poorest branch road 211 of condensation effect in condenser assembly, it is the poorest branch road 211 of condensation effect that the utility model is selected a branch road of topmost, it is connected with high pressure fluid reservoir 22, after converging by liquid collector 23 with all the other branch roads after high pressure fluid reservoir 22, with sub-cooling coil 33, be connected, sub-cooling coil 33 connects expansion valve 4.
Except being applicable to the cold machine room air conditioner of crossing hotsync, the utility model can also be widely used in other single cold type refrigeration unit, meets the user to stable, and efficient, energy-conservation needs, be expected to produce huge economic benefit and social benefit.

Claims (2)

1. cross the cold machine room air conditioner of crossing hotsync, it is characterized in that, this air-conditioner comprises compressor (1), condenser assembly (2), expansion valve (4), the evaporator assembly (3) connected successively, the outlet of described evaporator assembly (3) is connected with the import of compressor (1), forms the kind of refrigeration cycle loop;
Described condenser assembly (2) comprises multiple branch circuit condenser coil (21), high pressure fluid reservoir (22), liquid collector (23), sub-cooling coil (24), condenser fan (25), sub-cooling coil (24) is arranged on the best position of the middle heat transfer effect of condenser assembly (2) parallel with multiple branch circuit condenser coil (21), in described multiple branch circuit condenser coil (21), the outlet of the condenser coil of the poorest branch road of condensation effect (211) is connected with the import of described high pressure fluid reservoir (22), the outlet of the outlet of high pressure fluid reservoir (22) and the condenser coil of other branch roads first is connected by pipeline, and then jointly with the import of liquid collector (23), be connected, the outlet of described liquid collector (23) is connected with the import of expansion valve (4) by described sub-cooling coil (24).
2. the cold machine room air conditioner of crossing hotsync of mistake according to claim 1, it is characterized in that, described evaporator assembly (3) comprises multiple branch circuit evaporation coil (31), gas collecting apparatus (32), cross hot coil (33), evaporator fan (34), cross hot coil (33) and be arranged on the poorest position of the middle heat transfer effect of evaporator assembly (3) parallel with multiple branch circuit evaporation coil (31), the outlet of described multiple branch circuit evaporation coil (31) is connected with the import of gas collecting apparatus (32), the outlet of gas collecting apparatus (32) is connected with the import of crossing hot coil (33), the outlet of crossing hot coil (33) is connected with the import of compressor (1).
CN 201220587873 2012-11-08 2012-11-08 Machine room air conditioner with synchronous supercooling and superheating Withdrawn - After Issue CN203010887U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220587873 CN203010887U (en) 2012-11-08 2012-11-08 Machine room air conditioner with synchronous supercooling and superheating

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Application Number Priority Date Filing Date Title
CN 201220587873 CN203010887U (en) 2012-11-08 2012-11-08 Machine room air conditioner with synchronous supercooling and superheating

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927677A (en) * 2012-11-08 2013-02-13 南京师范大学 Machine room air conditioner synchronizing supercooling and superheating
TWI499171B (en) * 2013-08-09 2015-09-01 Delta Electronics Inc Method of air flow field control
CN105258404A (en) * 2015-11-10 2016-01-20 南通四方冷链装备股份有限公司 Finned evaporator
CN109682034A (en) * 2018-12-13 2019-04-26 广东美的暖通设备有限公司 Refrigeration system and its control method, air conditioner

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102927677A (en) * 2012-11-08 2013-02-13 南京师范大学 Machine room air conditioner synchronizing supercooling and superheating
CN102927677B (en) * 2012-11-08 2015-04-08 南京师范大学 Machine room air conditioner synchronizing supercooling and superheating
TWI499171B (en) * 2013-08-09 2015-09-01 Delta Electronics Inc Method of air flow field control
CN105258404A (en) * 2015-11-10 2016-01-20 南通四方冷链装备股份有限公司 Finned evaporator
CN109682034A (en) * 2018-12-13 2019-04-26 广东美的暖通设备有限公司 Refrigeration system and its control method, air conditioner
CN109682034B (en) * 2018-12-13 2021-01-05 广东美的暖通设备有限公司 Refrigerating system, control method thereof and air conditioner

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Granted publication date: 20130619

Effective date of abandoning: 20150408

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