CN106556203A - Split type pair of refrigerating plant - Google Patents

Split type pair of refrigerating plant Download PDF

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Publication number
CN106556203A
CN106556203A CN201610955672.7A CN201610955672A CN106556203A CN 106556203 A CN106556203 A CN 106556203A CN 201610955672 A CN201610955672 A CN 201610955672A CN 106556203 A CN106556203 A CN 106556203A
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CN
China
Prior art keywords
evaporimeter
heat exchanger
condenser
gas
compressor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610955672.7A
Other languages
Chinese (zh)
Inventor
丁剑波
李大伟
卞伟
宋建林
刘瑾
刘越
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Special Refrigerator Co Ltd
Original Assignee
Qingdao Haier Special Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Special Refrigerator Co Ltd filed Critical Qingdao Haier Special Refrigerator Co Ltd
Priority to CN201610955672.7A priority Critical patent/CN106556203A/en
Publication of CN106556203A publication Critical patent/CN106556203A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B1/00Compression machines, plant, or systems with non-reversible cycle
    • F25B1/10Compression machines, plant, or systems with non-reversible cycle with multi-stage compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/37Capillary tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat accumulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/067Evaporator fan units

Abstract

The present invention provides a kind of split type pair of refrigerating plant, including double refrigeration systems, blower fan, outdoor machine shell and multiple independent indoor lockers;The first gas-liquid separator and First Heat Exchanger connection in described pair of refrigeration system, First Heat Exchanger are connected with the second evaporimeter;First gas-liquid separator is connected with the first evaporimeter, and the first evaporimeter is connected with First Heat Exchanger;Second condenser is connected with the second gas-liquid separator;Second gas-liquid separator and the connection of the second heat exchanger, the second heat exchanger are connected with the 4th evaporimeter;Second gas-liquid separator is connected with the 3rd evaporimeter, and the 3rd evaporimeter is connected with the second heat exchanger, and the 4th evaporimeter and the second heat exchanger are connected with the second compressor respectively;Second evaporimeter and First Heat Exchanger are connected with the first compressor by the 3rd heat exchanger respectively.Realize improving split type pair of refrigerating plant energy utilization rate and refrigeration performance, expand cryogenic temperature interval to improve versatility.

Description

Split type pair of refrigerating plant
Technical field
The present invention relates to refrigeration plant, more particularly to a kind of split type pair of refrigerating plant.
Background technology
At present, refrigeration plant(Refrigerator, refrigerator etc.)It is widely used in daily life.With the life of people Running water is flat to be improved constantly, people to food and refrigeration plant the aspect such as environmental protection, energy-conservation, fresh-keeping requirement more and more higher, it is single The refrigerating appliances such as the refrigerator of storage warm area and two storage warm areas can not slowly meet the storage requirements of people's different food products, and drinks is needed It is stored at 5 ~ 20 DEG C of warm area, fruit and vegetable will be stored at 0 ~ 8 DEG C of warm area, the product needed storage such as common meat, fish - 18 DEG C are ensconced, and some Special foods need ultralow temperature storage, such as tuna to need the environment for being stored at -55 DEG C or so In, just can guarantee that the deliciousness of its meat.In prior art, the refrigeration plant with multi-temperature zone refrigerating function, generally using cold Distribution coordinates corresponding automatically controlled control strategy, to realize that multi-temperature zone is freezed, and in actual use, of the prior art many On the one hand warm area refrigeration plant widens that heat transfer temperature energy utilization rate is low, and another aspect control system is loaded down with trivial details, uses in user Easily occurs the problem that certain temperature refrigeration difference is not even freezed in journey;Importantly, can not realize between different warm areas big The refrigeration of the temperature difference, cryogenic temperature are interval less.How a kind of energy utilization rate height, cryogenic temperature interval big, highly versatile are designed Multi-temperature zone refrigeration plant be the technical problem to be solved.
The content of the invention
The technical problem to be solved is:A kind of split type pair of refrigerating plant is provided, realizes improving split type double Refrigerating plant energy utilization rate height and refrigeration performance, expand cryogenic temperature interval to improve versatility.
The technical scheme that the present invention is provided is, a kind of split type pair of refrigerating plant include double refrigeration systems, the first blower fan, the Two blower fans, outdoor machine shell and multiple independent indoor lockers;Described pair of refrigeration system includes the first compressor, the second compression Machine, the first evaporimeter, the second evaporimeter, the 3rd evaporimeter, the 4th evaporimeter, the first gas-liquid separator, the second gas-liquid separator, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, the first condenser and the second condenser;The outdoor machine shell includes One housing and the second housing, first compressor, first condenser and first blower fan are arranged on the off-premises station In shell, first blower fan is arranged between first compressor and first condenser, first blower fan and described The first air channel is provided between first compressor, second compressor, second condenser and second blower fan are arranged In the outdoor machine shell, second blower fan is arranged between second compressor and second condenser, and described The second air channel is provided between two blower fans and second compressor;First evaporimeter, the second evaporimeter, the 3rd evaporation Device, the 4th evaporimeter are arranged in the corresponding indoor locker;The import of first evaporimeter is connected with the first capillary Pipe, the import of second evaporimeter are connected with the second capillary, the outlet of first condenser and first gas-liquid point Import from device connects;The gas outlet of first gas-liquid separator and the heat exchanger channels one of the First Heat Exchanger connect, institute The heat exchanger channels one for stating First Heat Exchanger are connected with second evaporimeter by second capillary, first gas-liquid point Liquid outlet from device is connected with first evaporimeter by first capillary, the outlet of first evaporimeter with it is described The heat exchanger channels two of First Heat Exchanger connect;The import of the 3rd evaporimeter is connected with three capillary, the 4th evaporation The import of device is connected with the 4th capillary, the outlet of second condenser by the heat exchanger channels one of the 3rd heat exchanger with The import connection of second gas-liquid separator;The gas outlet of second gas-liquid separator and the heat exchange of second heat exchanger Passage one connects, and the heat exchanger channels one of second heat exchanger are connected with the 4th evaporimeter by the 4th capillary, The liquid outlet of second gas-liquid separator is connected with the 3rd evaporimeter by the three capillary, the 3rd evaporation The outlet of device is connected with the heat exchanger channels two of second heat exchanger, the outlet of the 4th evaporimeter and second heat exchanger Heat exchanger channels two be connected with the import of second compressor respectively;The outlet of second evaporimeter and first heat exchange The heat exchanger channels two of device are connected with the import of first compressor by the heat exchanger channels two of the 3rd heat exchanger respectively.
The split type pair of refrigerating plant that the present invention is provided, using the refrigeration system of two independent loops, for each refrigeration System is delivered to the cold-producing medium of gaseous state in gas-liquid separator and liquid in different evaporimeters respectively, and gaseous refrigerant will be passed through Heat exchanger carries out the refrigeration of profound hypothermia in being transported to profound hypothermia evaporimeter, and liquid refrigerant is entered after capillary-compensated The refrigeration of low hypothermia is carried out in low hypothermia evaporimeter, and in order to effectively widen temperature range, it is defeated from low hypothermia evaporimeter The cold-producing medium for going out carries out heat exchange with the cold-producing medium entered in low hypothermia evaporimeter by heat exchange, so that low hypothermia evaporation The cryogenic temperature of device is lower, realizes the effect of multi-temperature zone refrigeration, and need not adopt complicated control program, and heat exchanger energy Efficiency is effectively improved enough, reducing energy consumption is realized improving air cooling refrigeration equipment energy utilization rate height and refrigeration performance, expands system Cold temperature range is improving versatility;And exchanged heat by the 3rd heat exchanger between two independent refrigeration systems, Neng Gougeng The temperature difference between each evaporimeter is further widened, lower temperature on the one hand can be obtained, on the other hand can be more effective Raising use versatility.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are these Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structure principle chart of split type pair of refrigerating plant embodiment of the invention;
Fig. 2 is the schematic diagram of split type pair of refrigerating plant embodiment of the invention;
Fig. 3 is the structural representation of condenser of the present invention;
Fig. 4 is the structural representation of outdoor machine shell of the present invention.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As Figure 1-Figure 4, split type pair of refrigerating plant of the present embodiment, using split-type structural, including outdoor machine shell 101 With multiple independent indoor lockers 102, outdoor machine shell 101 is placed on the outside of wall 100, and indoor locker 102 is placed In the inner side of wall 100, wherein, the compressor, condenser, throttling arrangement and blower fan in double refrigeration systems(It is not shown)In portion Part is disposed in the outdoor in casing 101, and the evaporimeter of double refrigeration systems is arranged in corresponding indoor locker 102.In reality During use, as compressor is arranged in the outdoor machine shell 101 of outside, the noise and heat that compressor operating is produced will not Impact is produced on indoor, the comfortableness that user uses indoors can be effectively improved, user experience is improved.Meanwhile, by In using multiple independent indoor lockers 102, indoor locker 102 is made in being placed as required on different rooms With to meet the demand of not chummery freezing or chilled goods.Wherein, circulated air is additionally provided with the indoor locker 102 Fan(It is not shown), the air circulation flow in indoor locker 102 can be realized using circulating fan, to improve indoor locker Temperature distribution evenness in 102.In addition, according to user's needs, the indoor locker 102 can be horizontal counter body or vertical Formula cabinet or wall-mounted cabinet.
Wherein, the double refrigeration systems in the present embodiment include the refrigeration system of two sets of independent loops:Refrigeration system one and system Cooling system two, carries out heat exchange by the 3rd heat exchanger 63 between two refrigeration systems, specific as follows:
Refrigeration system one includes the first compressor 11 for linking together and the first condenser 21, also including the first evaporimeter 41, Second evaporimeter 42, the first gas-liquid separator 31 and First Heat Exchanger 61;The outlet of first condenser 21 and described first The import connection of gas-liquid separator 31;The gas outlet of first gas-liquid separator 31 and the heat exchange of the First Heat Exchanger 61 are logical Road one connects, and the heat exchanger channels one of First Heat Exchanger are connected with the import of second evaporimeter 42 by the second capillary 421; Import of the liquid outlet of first gas-liquid separator 31 by first capillary 411 with first evaporimeter 41 connects Connect, the outlet of first evaporimeter 41 is connected with the heat exchanger channels two of the First Heat Exchanger 61, second evaporimeter 42 Outlet and First Heat Exchanger 61 heat exchanger channels two by the heat exchanger channels one of the 3rd heat exchanger 63 and the described first pressure The import connection of contracting machine 11.
Refrigeration system two includes the second compressor 12 for linking together and the second condenser 22, also including the 3rd evaporimeter 43rd, the 4th evaporimeter 44, the second gas-liquid separator 32 and the second heat exchanger 62;The outlet of second condenser 22 passes through the 3rd The heat exchanger channels two of heat exchanger 63 are connected with the import of second gas-liquid separator 32, and second gas-liquid separator 32 goes out The heat exchanger channels one of gas port and second heat exchanger 62 connect, and the heat exchanger channels one of the second heat exchanger 62 pass through the 4th capillary 441 are connected with the import of the 4th evaporimeter 44;The liquid outlet of second gas-liquid separator 32 is by the 3rd capillary Pipe 431 is connected with the import of the 3rd evaporimeter 43, outlet and second heat exchanger 62 of the 3rd evaporimeter 43 Heat exchanger channels two connect, and the outlet of the 4th evaporimeter 44 and the heat exchanger channels two of the second heat exchanger 62 are respectively with described second The import connection of compressor 12.
Specifically, split type pair of refrigerating plant of the present embodiment adopts the refrigeration system of two heat exchanges and independent loops, By taking refrigeration system one as an example:Cold-producing medium forms the superheated refrigerant gas of high temperature, high pressure, refrigeration through the compression of the first compressor 11 Agent gas is condensed into the first condenser 21, and the dew-point temperature using high low boiling point refrigerant in cold-producing medium is different, refrigeration Formed rich in higher boiling refrigerant liquid and the two phase refrigerant rich in low boiling point refrigerant gas, the refrigeration after the condensation of agent gas Agent is separated into the first gas-liquid separator 31.Liquid phase refrigerant rich in higher boiling cold-producing medium is from the first gas-liquid separator 31 Liquid outlet output, via the first capillary 411 throttle after, enter into after the first evaporimeter 41 is exchanged heat formed two-phase refrigeration Agent is entered in the heat exchanger channels two of First Heat Exchanger 61, and vapor phase refrigerant is introduced into First Heat Exchanger 61 and absorbs the first evaporimeter Liquid phase refrigerant is formed after the cold of the cold-producing mediums of 41 outputs, liquid phase refrigerant enters the after the throttling of the second capillary 421 Two evaporimeters 42 exchange heat;The cold-producing medium exported from the heat exchanger channels two and the second evaporimeter 42 of First Heat Exchanger 61 is transported to the 3rd Carry out being formed after heat exchange with the cold-producing medium of the output of the second condenser 22 in refrigeration system two in the heat exchanger channels one of heat exchanger 62 Gas refrigerant is flowed back in the first compressor 11.
In actual use, the first evaporimeter 41 in refrigeration system one is used for refrigeration or the freezing of routine, and right Cryogenic refrigeration can also be realized in addition to it can be used in conventional freezing in the second evaporimeter 42, the different cold-producing mediums of cooperation can Realize the refrigeration of large span temperature range;Likewise, the 3rd evaporimeter 43 in refrigeration system two is also used for refrigerating or routine Freezing, and the 4th evaporimeter 44 can realize cryogenic refrigeration in addition to it can be used in conventional freezing;Refrigeration system two compared to Refrigeration system one, the cryogenic temperature of 43 to the first evaporimeter 41 of the 3rd evaporimeter are lower, meanwhile, four evaporimeter 44 to the second steams The cryogenic temperature for sending out device 42 is lower.Split type pair of refrigerating plant of the present embodiment adopts mix refrigerant, the mix refrigerant bag Various cold-producing mediums are included, for example:Mixture of the mix refrigerant for R600a and R290;Or, the mix refrigerant is The mixture of R600 and R290;Or, mixture of the mix refrigerant for R600a and R600;Or, the hybrid refrigeration Mixture of the agent for R600a and R170;Or, mixture of the mix refrigerant for R290 and R170;Or, the mixing Mixture of the cold-producing medium for R600a, R290 and R170.Different storage temperature can be formed by different non-public boiling mix refrigerants Area, working medium is to R600a/R290:It is capable of achieving -18 ~ -30 DEG C of storage warm areas and -30 ~ -40 DEG C of storage warm areas;Working medium is to R600/ R290:It is capable of achieving -6 ~ -18 DEG C of storage warm areas and -30 ~ -40 DEG C of storage warm areas;Working medium is to R600/R600a:It is capable of achieving 0 ~ 9 DEG C of storage Hide warm area and -6 ~ -12 DEG C of storage warm areas;Working medium is to R600a/R170:It is capable of achieving -18 ~ -30 DEG C of storage warm areas and -40 ~ -60 DEG C Storage warm area;Working medium is to R290/R170:It is capable of achieving -20 ~ -40 DEG C of storage warm areas and -40 ~ -60 DEG C of storage warm areas etc..
Wherein, the setting according to varying number warm area, the first evaporimeter 41, the second evaporimeter 42,43 and of the 3rd evaporimeter 4th evaporimeter 44 can be constituted using many sub- evaporimeters, and can be with by the way of serial or parallel connection between sub- evaporimeter It is applied in combination.
Further, carry out between refrigeration system one and refrigeration system two heat exchange to more effectively improve, to obtain The refrigeration of more wide temperature range, the first condenser 21 in the present embodiment are provided with the first auxiliary refrigerating agent pipe(Do not mark Note), second condenser 22 is provided with the second auxiliary refrigerating agent pipe(It is unmarked), the first auxiliary refrigerating agent pipe and described The mutual heat exchange of second auxiliary refrigerating agent pipe arranges to form public condensation part 23, and first condenser 21 is attached by described first Refrigerant feeding pipe is connected with first compressor 11, and second condenser 22 is by the second auxiliary refrigerating agent pipe and institute State one connection of heat exchanger channels of the 3rd heat exchanger 63.Specifically, it is in the presence of public condensation part 23, defeated from the first compressor 11 The high temperature that goes out, the superheated refrigerant gas of high pressure by with condense from the second condenser 22 after the cold-producing medium that exports carry out heat exchange, So that the condensation effect in refrigeration system two is more preferably, meanwhile, coordinate the 3rd heat exchanger 63 to carry out the heat friendship between two systems Change process, it is possible to obtain lower cryogenic temperature, in the presence of shared condensation part 23, from the height of the output of the first cold compressor 11 Temperature, high pressure superheater refrigerant gas carry out heat exchange with the cold-producing medium exported from after the condensation of the second condenser 22, make refrigeration system Two condensation effects more preferably while, improve off-premises station space availability ratio;In addition one evaporator outlet cold-producing medium of refrigeration system with Two common condenser of refrigeration system outlet cold-producing medium is exchanged heat, and further lifts the condensation effect of refrigeration system two, increase system System degree of supercooling, and then can lift system refrigerating capacity.Wherein, first condenser 21, second condenser 22 and described Public condensation part 23 is an overall structure, and specifically, in condenser assembling process, refrigerant pipe needs tube expansion to be formed in fin On, and the equal tube expansion of refrigerant pipe in the first condenser 21, second condenser 22 and the public condensation part 23 is arranged on In same fins set, it is preferred that first condenser 21, the public condensation part 22 and second condenser 23 are by up to Under be sequentially arranged.
In addition, outdoor machine shell 101 is arranged on outside room as off-premises station, compressor, condenser in refrigeration system and The parts such as blower fan are located in outdoor machine shell 101.With the first compressor 11 in refrigeration system one, the first condenser 21 and the first wind Machine 10 as a example by the concrete mode of the first housing, the first compressor 11, the first condenser 21 and the first blower fan 10 are arranged On same straight line, the first blower fan 10 blows to the first compressor 11 from the 21 side air draught of the first condenser, has both considered blower fan Lift problem, can guarantee that the radiating effect of compressor and condenser again, reach energy-conservation purpose.First blower fan 10 is positioned at the first condensation Between device 21 and the first compressor 11, radiate to the first condenser 21 during the first 10 air draught of blower fan, meanwhile, the first blower fan 10 can be from The peripheral air draught of the first condenser 21, the then wind-warm syndrome for blowing out are relatively low, and the radiating effect given after the first compressor 11 is preferable.Enter one Step, the upper surface of first housing is formed with domatic 1011, arranges between first blower fan 10 and first housing There is the first fan housing 1012, first fan housing 1012 is constituted with the bottom surface of first housing, two side and first domatic 1011 First air channel, it is preferred that first fan housing 1012 is arc-shaped structure, and first air channel is along first blower fan 10 Air channel divergent segment is sequentially formed with to 11 direction of the first compressor(It is unmarked)With air channel converging transition(It is unmarked);Wherein, Along the blower fan 10 to 11 direction of the first compressor, the area of section of the air channel divergent segment gradually increases, the air channel The area of section of converging transition is gradually reduced, and the length W1 ratio of length W2 of the air channel divergent segment and the air channel converging transition is 1: (3-5).Specifically, the cross section of air quantity is first become ambassador's wind and is diffused on whole duct cross-section by air channel, then air channel cross section Reduce, when now wind speed is gradually increasing and blows to the first 11 surface of compressor, wind speed of the wind speed more than the outlet of the first blower fan 10 increases The big coefficient of heat transfer on 11 surface of the first compressor;Likewise, the second compressor 12, the second condenser 22 in refrigeration system two It is identical with aforesaid way with the mounting means installed in the second housing of the first blower fan 10', and it is then same for public condensation part 23 When be arranged in the first housing and the second housing.
Finally it should be noted that:Above example only to illustrate technical scheme, rather than a limitation;Although With reference to the foregoing embodiments the present invention has been described in detail, it will be understood by those within the art that:Which still may be used To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic; And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (10)

1. a kind of split type pair of refrigerating plant, it is characterised in that including double refrigeration systems, the first blower fan, the second blower fan, off-premises station Shell and multiple independent indoor lockers;The described pair of refrigeration system include the first compressor, the second compressor, the first evaporimeter, Second evaporimeter, the 3rd evaporimeter, the 4th evaporimeter, the first gas-liquid separator, the second gas-liquid separator, First Heat Exchanger, Two heat exchangers, the 3rd heat exchanger, the first condenser and the second condenser;The outdoor machine shell includes the first housing and second shell Body, first compressor, first condenser and first blower fan are arranged in the outdoor machine shell, first wind Machine is arranged between first compressor and first condenser, is set between first blower fan and first compressor The first air channel is equipped with, second compressor, second condenser and second blower fan are arranged in the outdoor machine shell, Second blower fan is arranged between second compressor and second condenser, and second blower fan and described second is pressed The second air channel is provided between contracting machine;First evaporimeter, the second evaporimeter, the 3rd evaporimeter, the 4th evaporimeter are arranged on In the corresponding indoor locker;The import of first evaporimeter is connected with the first capillary, second evaporimeter Import is connected with the second capillary, and the outlet of first condenser is connected with the import of first gas-liquid separator;It is described The heat exchanger channels one of the gas outlet of the first gas-liquid separator and the First Heat Exchanger connect, and the heat exchange of the First Heat Exchanger is led to Road one is connected with second evaporimeter by second capillary, and the liquid outlet of first gas-liquid separator is by described First capillary is connected with first evaporimeter, the outlet of first evaporimeter and the heat exchanger channels of the First Heat Exchanger Two connections;The import of the 3rd evaporimeter is connected with three capillary, and the import of the 4th evaporimeter is connected with the 4th mao Tubule, the outlet of second condenser pass through the heat exchanger channels one and second gas-liquid separator of the 3rd heat exchanger Import connects;The heat exchanger channels one of the gas outlet of second gas-liquid separator and second heat exchanger connect, and described second The heat exchanger channels one of heat exchanger are connected with the 4th evaporimeter by the 4th capillary, second gas-liquid separator Liquid outlet is connected with the 3rd evaporimeter by the three capillary, and the outlet of the 3rd evaporimeter is changed with described second The heat exchanger channels two of hot device connect, the 4th evaporimeter outlet and second heat exchanger heat exchanger channels two respectively with institute State the import connection of the second compressor;The outlet of second evaporimeter and the heat exchanger channels two of the First Heat Exchanger lead to respectively The heat exchanger channels two for crossing the 3rd heat exchanger are connected with the import of first compressor.
2. split type pair of refrigerating plant according to claim 1, it is characterised in that first condenser is provided with first Auxiliary refrigerating agent pipe, second condenser are provided with the second auxiliary refrigerating agent pipe, the first auxiliary refrigerating agent pipe and described The mutual heat exchange of second auxiliary refrigerating agent pipe arranges to form public condensation part, and first condenser is by the described first additional system Refrigerant tube is connected with first compressor, and second condenser is changed with the described 3rd by the second auxiliary refrigerating agent pipe The heat exchanger channels one of hot device connect.
3. split type pair of refrigerating plant according to claim 2, it is characterised in that first condenser, described second Condenser and the public condensation part are an overall structure.
4. split type pair of refrigerating plant according to claim 3, it is characterised in that first condenser, described second The equal tube expansion of refrigerant pipe in condenser and the public condensation part is arranged in same fins set.
5. split type pair of refrigerating plant according to claim 3, it is characterised in that first condenser, described public Condensation part and second condenser are from top to bottom sequentially arranged.
6. split type pair of refrigerating plant according to claim 1, it is characterised in that first evaporimeter, the second evaporation Device, the 3rd evaporimeter, and/or the 4th evaporimeter include multiple sub- evaporimeters for arranging in parallel or series.
7. split type pair of refrigerating plant according to claim 1, it is characterised in that the upper surface of first housing is formed Have first domatic, between first blower fan and first housing, be provided with the first fan housing, first fan housing and described The bottom surface of one housing, two side and first domatic constitute first air channel;The upper surface of second housing is formed with second It is domatic, the second fan housing, second fan housing and second housing are provided between second blower fan and second housing Bottom surface, two side and second domatic constitute second air channel.
8. split type pair of refrigerating plant according to claim 7, it is characterised in that first fan housing and second wind Cover is arc-shaped structure, and first air channel and second air channel are sequentially formed with air channel divergent segment respectively along blowing direction With air channel converging transition;Wherein, along blowing direction, the area of section of the air channel divergent segment gradually increases, the air channel converging transition Area of section be gradually reduced.
9. split type pair of refrigerating plant according to claim 1, it is characterised in that described pair of refrigeration system is using mixing system Cryogen, the mix refrigerant include various cold-producing mediums.
10. split type pair of refrigerating plant according to claim 9, it is characterised in that the mix refrigerant be R600a and The mixture of R290;Or, mixture of the mix refrigerant for R600 and R290;Or, the mix refrigerant is The mixture of R600a and R600;Or, mixture of the mix refrigerant for R600a and R170;Or, the mixing system Mixture of the cryogen for R290 and R170;Or, mixture of the mix refrigerant for R600a, R290 and R170.
CN201610955672.7A 2016-10-27 2016-10-27 Split type pair of refrigerating plant Pending CN106556203A (en)

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* Cited by examiner, † Cited by third party
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JPH10103800A (en) * 1996-09-27 1998-04-21 Sanyo Electric Co Ltd Composite type refrigerating plant
KR20020036106A (en) * 2000-11-08 2002-05-16 황한규 Structure preventing for a noise of kim-chi storage
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KR20080040183A (en) * 2006-11-02 2008-05-08 주식회사 대우일렉트로닉스 Structure for radiation of heat in machine-chamber of refrigerator
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Application publication date: 20170405