CN205655422U - Phase transition heat transfer and compression refrigeration combined cooling system - Google Patents

Phase transition heat transfer and compression refrigeration combined cooling system Download PDF

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Publication number
CN205655422U
CN205655422U CN201620216757.9U CN201620216757U CN205655422U CN 205655422 U CN205655422 U CN 205655422U CN 201620216757 U CN201620216757 U CN 201620216757U CN 205655422 U CN205655422 U CN 205655422U
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China
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air
subsystem
phase
compression refrigeration
heat exchange
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CN201620216757.9U
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Chinese (zh)
Inventor
陈云伟
吴刚
陶锴
戴向阳
王平
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Suzhou Victor Temperature Control Technology Co., Ltd.
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Shenzhen Envicool Technology Co Ltd
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Abstract

Phase transition heat transfer and compression refrigeration combined cooling system includes: phase transition heat transfer subsystem, compression refrigeration subsystem, outdoor air cycle subsystem and indoor air cycle subsystem, phase transition heat transfer subsystem includes heat exchange core, water collector and sprinkler, and room air and outdoor air carry out the heat exchange in heat exchange core department, sprinkler to heat exchange core sprays water, the water through heat exchange core that sprinkler sprays is accepted to the water collector, water collector and sprinkler are through spraying the water pipeling intercommunication, the compression refrigeration subsystem includes condenser, compressor and evaporimeter, condenser and evaporimeter, compressor pass through refrigerant pipeline circulation intercommunication. The utility model discloses integrated phase transition heat transfer and mechanical refrigeration, energy -conserving high -efficient, room air and outdoor air carry out the heat exchange through heat exchange core moreover, and inside and outside air is kept apart, has ensured the interior air quality of data center.

Description

Phase-change heat-exchange and compression refrigeration composite cooling system
Technical field
This utility model relates to refrigeration system, more particularly, it relates to one utilizes phase-change heat-exchange, and uses Mechanical refrigeration is as supplementary composite refrigeration system.
Background technology
In communication machine room and data center, the energy consumption of air conditioner in machine room occupies sizable proportion, therefore, as What realizes the break-through point that air conditioning system energy-conservation is machine room and Constructing data center energy-saving and emission-reduction.Due in data The heart has the feature of round-the-clock running, thus natural cooling source how round-the-clock can be utilized to realize the sky of refrigeration Adjusting system becomes the direction of research, and the existing method utilizing natural cooling source to freeze mainly has following two Kind:
1, fresh air refrigerating, fresh air refrigerating is by, after filter screen filtration, being directly sent to communication by new for outdoor wind Inside machine room or data center, heated air is discharged to outdoor, is circulated realization and utilizes natural cooling source Refrigeration;
2, ethylene glycol natural cooling, ethylene glycol natural cooling is increase glycol-cooled dish in indoor set Pipe, at the dry and cold device of outdoor arrangement, cools down ethylene glycol by dry and cold device, and the ethylene glycol after cooling down with pump handle send Cooling coil to indoor set, it is achieved utilize the refrigeration of natural cooling source.
But both the above technical scheme still suffers from following deficiency:
Use the mode of fresh air refrigerating, outdoor air be passed directly in communication machine room or data center, although Have passed through filter screen filtration, but the dust in air cannot filter totally completely, causes Cleanliness relatively Difference, but also need periodically drainage screen to be safeguarded;If containing corrosivity gas such as sulfur dioxide in air Body, will also result in a certain degree of infringement to the equipment of communication machine room or data center;Additionally, the phase of new wind Humid control is got up relatively difficult, it is necessary on the body of wall of communication machine room or data center, open bigger leading to Air holes, i.e. destroys the integrity of building, and brings Lou heat, cold bridge, the hidden danger such as leak simultaneously, Relatively big plus the usual volume of Fresh air handling units, need independently installed, take indoor usable floor area etc..
Ethylene glycol natural cooling unit is integrated with glycol-cooled coil pipe in indoor units, adds sleeve Road system, construction complexity, and indoor fan windage can be caused relatively big, power is higher, to its energy saving band Carry out more discount;The heat exchange efficiency of ethylene glycol solution is relatively low simultaneously, and it is entered by enclosed air cooling dry cooler Row cooling, when causing ambient temperature higher, during compressor operating, condensation temperature is higher, also improves compressor Running power, customer investment is bigger.
Utility model content
The purpose of this utility model is to provide a kind of energy-efficient phase-change heat-exchange and compresses refrigeration Compound cooling system System.
To achieve these goals, this utility model takes following technical solution:
Phase-change heat-exchange and compression refrigeration composite cooling system, including: phase-change heat-exchange subsystem, compression refrigeration System, outdoor air cycle subsystem and indoor air circulation subsystem;Described phase-change heat-exchange subsystem bag Include heat exchange core body, drip tray and flusher, room air and outdoor air at heat exchange core body, carry out heat friendship Changing, described flusher accepts, to described heat exchange core body spray water, described drip tray, the warp that flusher sprays Cross the water of heat exchange core body, described drip tray and flusher by spray water pipeline communication;Described compression refrigeration Subsystem includes that condenser, compressor and vaporizer, described condenser and vaporizer, compressor are by refrigeration The circulation connection of agent pipeline.
As a kind of improvement of the present utility model, outdoor air cycle subsystem includes that condensation fan, outdoor go out Air port, outdoor air inlet, described condensation fan is arranged on outdoor air circulation canal, and condensation fan works Time, outdoor air enters from outdoor air inlet, from outdoor air outlet row after heat exchange core body and condenser Going out, forming chamber outer air circulates.
As a kind of improvement of the present utility model, indoor air circulation subsystem includes indoor circulation blower fan, room Inner wind outlet, indoor return air mouth, described indoor circulation blower fan is arranged on indoor air circulation passage, indoor During circulating fan work, room air enters from indoor return air mouth, from room after heat exchange core body and vaporizer Inner wind outlet is outwards sent, and forms indoor air circulation.
As a kind of improvement of the present utility model, described flusher includes spray line and is arranged at spray water Water pump on pipeline, described spray line is connected with spray water pipeline and is arranged at above described heat exchange core body, spray Spill device to be connected with outside water charging system by pipeline.
As a kind of improvement of the present utility model, described phase-change heat-exchange subsystem also includes wet film, described wet film Being arranged on flow of outside air path before heat exchange core body, described spray line is arranged at the top of wet film, institute State drip tray and be arranged at the lower section of wet film.
As a kind of improvement of the present utility model, described phase-change heat-exchange subsystem includes least one set drip tray And flusher.
A kind of improve as of the present utility model, the quantity of described indoor circulation blower fan be one or one with On.
As a kind of improvement of the present utility model, the quantity of described vaporizer is one or more.
As a kind of improvement of the present utility model, the quantity of described condenser and condensation fan is one or one Above.
As a kind of improvement of the present utility model, described compressor is frequency-changeable compressor.
As a kind of improvement of the present utility model, the condensed water that described compression refrigeration subsystem produces passes through pipeline Deliver in described drip tray.
From above technical scheme, refrigeration system of the present utility model includes multiple cycle subsystem, outdoor The air of circulation carries out heat exchange with the air of indoor circulation at heat exchange core body, and indoor air circulation belongs to Circulation in machine room, it is ensured that the quality of room air, it is not necessary to complicated air filtering system, can be fully sharp Use natural cooling source;When using evaporation cooling auxiliary cooling to reduce further frequency-changeable compressor mechanical refrigeration operation Between, it is achieved energy-saving run, use mechanical refrigeration can assist when high temperature and utilize merely natural cooling source to freeze Deficiency, improves refrigeration.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment, below will be in embodiment or description of the prior art The required accompanying drawing used does simple introduction, it should be apparent that, the accompanying drawing in describing below is only this practicality Some novel embodiments, for those of ordinary skill in the art, before not paying creative work Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model embodiment 1;
Fig. 2 is the structural representation of this utility model embodiment 2;
Fig. 3 is the structural representation of this utility model embodiment 3.
Detailed description of the invention
Describe the present invention below in conjunction with the accompanying drawings, when describing the embodiment of the present invention in detail, for ease of saying Bright, represent that the accompanying drawing of device architecture can be disobeyed general ratio and be done partial enlargement, and described schematic diagram simply shows Example, it should not limit the scope of protection of the invention at this.It should be noted that accompanying drawing uses the form simplified And all use non-ratio accurately, only in order to facilitate, clearly to aid in illustrating the purpose of the embodiment of the present invention.
Embodiment 1
As it is shown in figure 1, phase-change heat-exchange of the present utility model and compression refrigeration composite cooling system include drip tray 1, water pump 2, spray line 3, condenser 4, condensation fan 5, compressor 6, electric expansion valve 7, indoor Circulating fan 8, vaporizer 9 and heat exchange core body 10.In Fig. 1, direction shown in dotted arrow is evaporation cooling water Loop direction, direction shown in solid arrow is refrigerant cycle direction.Refrigeration system of the present utility model includes 4 cycle subsystem, respectively: phase-change heat-exchange subsystem, compression refrigeration subsystem, outdoor air circulation Subsystem and indoor air circulation subsystem.
The phase-change heat-exchange subsystem of the present embodiment includes drip tray 1, water pump 2, spray line 3, heat exchange core body 10 and connection drip tray and the pipeline of spray line.Wherein, spray line 3 is arranged on heat exchange core body 10 Side, drip tray 1 is for accepting the cooling water that spray line sprays, by spray between drip tray 1 and spray line 3 Watering pipeline communication, spray water pipeline is provided with water pump 2, and the water in drip tray 1 is carried by water pump 2 In spray line 3, then it is sprayed onto on outdoor air by spray line 3, outdoor air is lowered the temperature, finally falls Enter in drip tray 1, use the mode spraying Phase cooling to carry out heat exchange, circulate with this.Outdoor air is through cold But water flow to heat exchange core body after spraying cooling and room air carries out heat exchange.Spray line and be arranged at sprinkling Water pump composition flusher on waterpipe, flusher is connected with outside water charging system by pipeline simultaneously, Fed by outside water charging system after water evaporates consumption.Heat exchange core body of the present utility model uses Product sold on market.Spray line is arranged at above heat exchange core body, and spray effect is best, but spray line is also Heat exchange core body side can be arranged at according to space requirement.
Compression refrigeration subsystem includes condenser 4, compressor 6, vaporizer 9 and circulation connection condenser 4, vaporizer 9, the refrigerant tubing of compressor 6, refrigerant tubing is additionally provided with electric expansion valve 7. Cold-producing medium circulates between condenser 4 and vaporizer 9 through refrigerant tubing under the driving of compressor 6.Steam Send out device 9 and be arranged at heat exchange core body 10 side.Further, the condensed water that compression kind of refrigeration cycle produces can be used In phase-change heat-exchange subsystem, by condensate drain pan (not shown) by pipeline and phase-change heat-exchange subsystem Drip tray 1 be connected, make condensed water can deliver in drip tray 1.
Outdoor air circulation is realized by condensation fan 5, and when condensation fan 5 works, outdoor air enters from outdoor Air port enters, and discharges from outdoor air outlet after heat exchange core body 10.
Indoor air circulation is realized by indoor circulation blower fan 8, when indoor circulation blower fan 8 works, and room air Enter from indoor return air mouth, and outwards send from indoor air outlet after heat exchange core body 10.
The parts producing power consumption in phase-change heat-exchange of the present utility model and compression refrigeration composite cooling system have: Water pump 2, condensation fan 5, compressor 6, indoor circulation blower fan 8, wherein energy consumption of compressor is maximum, thus The operation time reducing compressor is the key point that native system realizes energy conservation object.The fortune of aforementioned energy-consuming parts The row time is as follows: condensation fan 5 and indoor circulation blower fan 8 round-the-clock running, and water pump 2 is high in outdoor temperature Run when preset value, when still refrigeration demand can not be met after outdoor air is cooled down by evaporation, compression Machine brings into operation, and carries out machinery and supplements refrigeration.
Below the operation principle of this utility model refrigeration system is illustrated:
As outdoor temperature T≤preset temperature T0, condensation fan 5 and indoor circulation blower fan 8 work, and open Outdoor, indoor air circulation, the outdoor air of circulation enters at heat exchange core body 10 with the air of indoor circulation Row full sensible heat amount exchange, it is achieved the control of computer room temperature.
When outdoor temperature T within the specific limits: during T0≤T≤T1, condensation fan 5, indoor circulation blower fan 8 And water pump 2 works, the circulation of opening chamber outer air, indoor air circulation and cooling water circulation, spray line 3 leaves Beginning to spray cooling water, outdoor air reduces dry-bulb temperature by cooling evaporation of water, the air after cooling and The air of indoor circulation carries out the exchange of full sensible heat amount at heat exchange core body 10, and unevaporated cooling Water Sproading is extremely Drip tray 1, reuses.
As outdoor temperature T >=T1, condensation fan 5, indoor circulation blower fan 8, water pump 2 and compressor 6 All work, opening chamber's outer air circulation, indoor air circulation, cooling water circulation and refrigerant cycle, spray Pipe 3 starts to spray cooling water, and outdoor air after cooling and the air of indoor circulation are at heat exchange core body 10 After carrying out the exchange of full sensible heat amount, continue the cold-producing medium in condenser 4 is cooled down, unevaporated cooling water Being recycled to drip tray 1, room air carries out heat exchange at heat exchange core body 10, by outdoor air tape loop After walking a part of heat, at vaporizer 9, further carry out heat exchange with cold-producing medium.Go out in described above Existing preset temperature T0, T1 is to be calculated state of temperature node, environment, space according to ambient temperature and humidity During condition change, preset temperature also can respective change.
Embodiment 2
As in figure 2 it is shown, the present embodiment place different from embodiment 1 is: heat exchange core body 10 has two Individual, phase-change heat-exchange subsystem includes two groups of drip trays 1, water pump 2 and spray line 3, each group of water receiving The connected mode of dish, water pump and spray line is the most same as in Example 1.Condenser 4 in compression refrigeration subsystem And condensation fan 5 is two, condensation fan 5 is correspondingly arranged with condenser 4, and compressor 6 uses frequency conversion Compressor.Compressor 6 provides refrigerant cycle, indoor air circulation for two groups of condensers and one group of vaporizer Realized by an indoor circulation blower fan.Outdoor air carries out heat friendship when heat exchange core body 10 with room air Changing, then discharge from outdoor air outlet, the room air after cooling is outwards sent from indoor air outlet.
Embodiment 3
As it is shown on figure 3, the present embodiment place different from embodiment 2 is: in compression refrigeration subsystem Vaporizer 9 is two, and indoor circulation blower fan 8 is correspondingly arranged with the quantity of vaporizer 9, and condensation fan 5 sets It is placed at outdoor air outlet.Compressor 6 provides refrigerant cycle, room for two groups of vaporizers and one group of condenser The circulation of interior air is realized by 2 indoor circulation blower fans.Outdoor air is when heat exchange core body 10 and Interior Space Gas carries out heat exchange, then discharges from outdoor air outlet, and the room air after cooling is outside from indoor air outlet Send.
Additionally, phase-change heat-exchange subsystem of the present utility model can also be wet film evaporative cooling system, use wet During film evaporation cooling, phase-change heat-exchange subsystem also includes that wet film, described wet film are arranged at flow of outside air path On footpath before heat exchange core body, i.e. wet film is arranged at heat exchange core body upstream, can be located at above heat exchange core body or front Side, air first passes through wet film again through heat exchange core body, and spray line is arranged at the top of wet film, and drip tray is arranged In the lower section of wet film, being directly sprayed onto on wet film by the water in drip tray, air can change through wet film Heat, thus reduce temperature.
Phase-change heat-exchange subsystem of the present utility model has two kinds of forms, and a kind of outdoor air is by heat exchange core body Outside first spraying cooling water is lowered the temperature, and then indoor-outdoor air carries out heat exchange by heat exchange core body again, this Time only have one equipment of heat exchange core body;Another kind is outdoor air moistening and lowering temperature at wet film, the most again with room Interior air carries out heat exchange by heat exchanging core, now has wet film and two equipment of heat exchanging core.
Refrigeration system of the present utility model can be applicable to northern area, round-the-clock employing natural cooling source, both avoided The harmful substance impacts on calculator room equipment such as dust in new wind, sulfide, decrease again machine cold Input, greatly reduce machine room operating cost.Such as in Beijing area, annual fractional energy savings can be up to 40%, the machine cold supplementing refrigeration only accounts for the 35%~60% of whole refrigerating capacity, has been greatly reduced the initial stage Input cost.
Compared with prior art, room air and the outdoor air of this utility model refrigeration system passes through heat exchange core Body carries out heat exchange, and inner air and outer air is isolated, it is ensured that air quality in data center;Cooling water can be used auxiliary Refrigeration, cooling water is helped to be sprayed directly on outdoor air, it is achieved evaporation cooling, the room within heat exchanging core body Inner circulating air is lowered the temperature, and unevaporated water flows into drip tray, repeats to participate in circulation, saves water source;Adopt With frequency conversion press as supplementary refrigeration, realize energy-saving and emission-reduction further.
In this specification, various piece uses the mode gone forward one by one to describe, and what each some importance illustrated is and it The difference of its part, between various piece, same or similar part sees mutually.These parts Between syntagmatic be not only the form disclosed in embodiment, state in the disclosed embodiments Bright, make professional and technical personnel in the field be capable of or use this utility model.Multiple to these embodiments Amendment will be apparent from for those skilled in the art, generic principles defined herein Can realize in other embodiments in the case of without departing from spirit or scope of the present utility model.Cause This, this utility model is not intended to be limited to embodiment illustrated herein, and is to fit to disclosed herein Principle and the consistent widest range of features of novelty.

Claims (10)

1. phase-change heat-exchange and compression refrigeration composite cooling system, it is characterised in that including: phase inversion heater System, compression refrigeration subsystem, outdoor air cycle subsystem and indoor air circulation subsystem;
Described phase-change heat-exchange subsystem includes heat exchange core body, drip tray and flusher, room air and outdoor Air carries out heat exchange at heat exchange core body, described flusher to described heat exchange core body spray water, described in connect Water pond accepts the water through heat exchange core body that flusher sprays, described drip tray and flusher by spraying Waterpipe connects;
Described compression refrigeration subsystem includes condenser, compressor and vaporizer, described condenser and evaporation Device, compressor are by refrigerant tubing circulation connection.
2. phase-change heat-exchange as claimed in claim 1 and compression refrigeration composite cooling system, its feature exists In: outdoor air cycle subsystem includes condensation fan, outdoor air outlet, outdoor air inlet, described condensation Blower fan is arranged on outdoor air circulation canal, and during condensation fan work, outdoor air enters from outdoor air inlet Entering, discharge from outdoor air outlet after heat exchange core body and condenser, forming chamber outer air circulates.
3. phase-change heat-exchange as claimed in claim 1 and compression refrigeration composite cooling system, its feature exists In: indoor air circulation subsystem includes indoor circulation blower fan, indoor air outlet, indoor return air mouth, described Indoor circulation blower fan is arranged on indoor air circulation passage, indoor circulation blower fan work time, room air from Indoor return air mouth enters, and outwards sends, in forming chamber from indoor air outlet after heat exchange core body and vaporizer Air circulates.
4. phase-change heat-exchange as claimed in claim 1 and compression refrigeration composite cooling system, its feature exists In: described flusher includes spray line and is arranged at the water pump on spray water pipeline, described spray line with Spray water pipeline is connected and is arranged at above described heat exchange core body, and flusher is by pipeline and outside moisturizing system System is connected.
5. the phase-change heat-exchange as described in claim 1 or 4 and compression refrigeration composite cooling system, its feature It is: described phase-change heat-exchange subsystem also includes that wet film, described wet film are arranged on flow of outside air path Before heat exchange core body, described spray line is arranged at the top of wet film, and described drip tray is arranged under wet film Side.
Phase-change heat-exchange the most according to claim 1 and compression refrigeration composite cooling system, its feature exists In: described phase-change heat-exchange subsystem includes least one set drip tray and flusher.
Phase-change heat-exchange the most according to claim 6 and compression refrigeration composite cooling system, its feature exists In: the quantity of described indoor circulation blower fan is one or more.
Phase-change heat-exchange the most according to claim 6 and compression refrigeration composite cooling system, its feature exists In: the quantity of described vaporizer is one or more.
Phase-change heat-exchange the most according to claim 6 and compression refrigeration composite cooling system, its feature exists In: the quantity of described condenser and condensation fan is one or more.
10., according to the phase-change heat-exchange described in claim 1 or 4 and compression refrigeration composite cooling system, it is special Levy and be: the condensed water that described compression refrigeration subsystem produces is delivered in described drip tray by pipeline.
CN201620216757.9U 2016-03-21 2016-03-21 Phase transition heat transfer and compression refrigeration combined cooling system Active CN205655422U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108471693A (en) * 2018-03-20 2018-08-31 联想(北京)有限公司 A kind of vaporation-type cooling system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108471693A (en) * 2018-03-20 2018-08-31 联想(北京)有限公司 A kind of vaporation-type cooling system

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C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170228

Address after: Wuzhong Economic Development Zone in Suzhou City, Jiangsu province 215104 Tian River Road No. 105 building 15 floor room 306

Patentee after: Suzhou Victor Temperature Control Technology Co., Ltd.

Address before: 518110 Guangdong city of Shenzhen province Baoan District Guanlan Street Dabu Lane Community Meiguan Road East Hongxin Industrial Park No. 9 building 1-3 floor

Patentee before: Shenzhen Envicool Technology Co., Ltd.