EP3336451A1 - Ensemble récepteur de liquide pour système frigorifique, et système frigorifique et congélateur comportant ledit ensemble - Google Patents

Ensemble récepteur de liquide pour système frigorifique, et système frigorifique et congélateur comportant ledit ensemble Download PDF

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Publication number
EP3336451A1
EP3336451A1 EP15906551.5A EP15906551A EP3336451A1 EP 3336451 A1 EP3336451 A1 EP 3336451A1 EP 15906551 A EP15906551 A EP 15906551A EP 3336451 A1 EP3336451 A1 EP 3336451A1
Authority
EP
European Patent Office
Prior art keywords
liquid reservoir
gas
refrigerating system
capillary
refrigerant
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.)
Granted
Application number
EP15906551.5A
Other languages
German (de)
English (en)
Other versions
EP3336451B1 (fr
EP3336451A4 (fr
Inventor
Gaowei Xu
Huawei ZHANG
Zengwu QING
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.)
Hefei Hualing Co Ltd
Midea Group Co Ltd
Original Assignee
Hefei Hualing Co Ltd
Midea Group 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
Priority claimed from CN201510692760.8A external-priority patent/CN105202833A/zh
Priority claimed from CN201520824500.7U external-priority patent/CN205192005U/zh
Application filed by Hefei Hualing Co Ltd, Midea Group Co Ltd filed Critical Hefei Hualing Co Ltd
Publication of EP3336451A1 publication Critical patent/EP3336451A1/fr
Publication of EP3336451A4 publication Critical patent/EP3336451A4/fr
Application granted granted Critical
Publication of EP3336451B1 publication Critical patent/EP3336451B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003—Filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/051—Compression system with heat exchange between particular parts of the system between the accumulator and another part of the cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/052—Compression system with heat exchange between particular parts of the system between the capillary tube and another part of the refrigeration cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23—Separators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/28—Means for preventing liquid refrigerant entering into the compressor

Definitions

  • the present disclosure relates to a field of household appliances, and specifically relates to a liquid reservoir assembly for a refrigerating system, a refrigerating system having the same and a freezer.
  • an evaporator In a freezer in the related art, an evaporator is directly connected to a compressor.
  • a phenomenon of an excessive refrigerant or an insufficient refrigerant in the compressor tends to occur.
  • the refrigerant is insufficient, a refrigerating efficiency is low and an energy consumption is high.
  • the refrigerant is excessive, a condensation tends to be caused to a gas return pipe, and in a serious case, a liquid impact phenomenon will be caused in the compressor, thus resulting in a relatively high noise.
  • the present disclosure seeks to solve at least one of the problems existing in the related art to at least some extent.
  • the present disclosure proposes a liquid reservoir assembly for a refrigerating system, which is capable of improving a refrigerating efficiency, reducing an energy consumption, and decreasing a noise.
  • the present disclosure further proposes a refrigerating system having the above liquid reservoir assembly.
  • the present disclosure further proposes a freezer having the above refrigerating system.
  • the liquid reservoir assembly for the refrigerating system includes: a liquid reservoir having a gas inlet and a gas outlet; a gas input pipe connected to the gas inlet of the liquid reservoir; a gas output pipe connected to the gas outlet of the liquid reservoir; and a capillary attached to the gas input pipe and/or the gas output pipe, and wound around of an outer wall of the liquid reservoir.
  • the liquid reservoir assembly for the refrigerating system has advantages of a high refrigerating efficiency, a low energy consumption and a low noise.
  • the capillary is attached to the gas input pipe.
  • an inlet end of the capillary is wound around the gas input pipe, and an outlet end of the capillary is wound around the outer wall of the liquid reservoir.
  • the capillary is bound to the gas input pipe by a tape.
  • the tape is a heat-transfer tape.
  • the tape is an aluminum-foil tape.
  • the liquid reservoir is oriented in a vertical direction, the gas inlet is disposed at a top of the liquid reservoir and the gas outlet is disposed at a bottom of the liquid reservoir.
  • the gas output pipe extends into the liquid reservoir.
  • a part of the gas output pipe extending into the liquid reservoir is provided with several oil return holes.
  • each of the gas input pipe and the gas output pipe is a copper pipe.
  • both the gas input pipe and the gas output pipe are respectively connected to the liquid reservoir by welding.
  • the refrigerating system includes: a compressor; a condenser connected to the compressor; an evaporator; and a liquid reservoir assembly for the refrigerating system according to the above embodiments of the present disclosure, in which the capillary is connected to the condenser and the evaporator respectively, the gas input pipe is connected to the evaporator, and the gas output pipe is connected to the compressor.
  • the refrigerating system according to embodiments of the present disclosure by using the liquid reservoir assembly for the refrigerating system according to the above embodiments of the present disclosure, has advantages of the high refrigerating efficiency, the low energy consumption and the low noise.
  • the gas input pipe is connected to the evaporator by welding.
  • the freezer according to embodiments of the present disclosure includes the refrigerating system according to the above embodiments of the present disclosure.
  • the freezer according to embodiments of the present disclosure by providing the refrigerating system according to the above embodiments of the present disclosure, has advantages of the high refrigerating efficiency, the low energy consumption and the low noise.
  • a liquid reservoir assembly 100 for a refrigerating system will be described in the following with reference to Figs. 1 to 6 .
  • the liquid reservoir assembly 100 for the refrigerating system includes a liquid reservoir 1, a gas input pipe 2, a gas output pipe 3 and a capillary 4.
  • the liquid reservoir 1 may have a substantially cylindrical shape, the liquid reservoir 1 defines a liquid storage chamber 11 therein, and the liquid storage chamber 11 may be used to store a refrigerant, such that a filling quantity deviation of the refrigerant can be reduced, and a phenomenon of an excessive refrigerant or an insufficient refrigerant can be prevent from occurring.
  • the liquid reservoir 1 may have a gas inlet 12 and a gas outlet 13.
  • the gas inlet 12 may be disposed at a top of the liquid reservoir 1, and the gas outlet 13 may be disposed at a bottom of the liquid reservoir 1.
  • the refrigerant can enter the liquid storage chamber 11 in the liquid reservoir 1 through the gas inlet 12, and flow out of the gas outlet 13 after finishing a subsequent heat exchange with the capillary 4, thus completing a circulation.
  • the gas input pipe 2 may be connected to the gas inlet 12 of the liquid reservoir 1, and the gas output pipe 3 may be connected to the gas outlet 13 of the liquid reservoir 1.
  • the refrigerant can pass through the gas input pipe 2, flow into the liquid reservoir 1 via the gas inlet 12, flow out of the gas outlet 13, pass through the gas output pipe 3, and enter a subsequent compressor 6.
  • the capillary 4 may be attached to the gas input pipe 2 and/or the gas output pipe 3, and wound around an outer wall of the liquid reservoir 1.
  • a refrigerant liquid in the capillary 4 can achieve the heat exchange with the incompletely evaporated refrigerant in the liquid reservoir 1, so as to completely liquefy the refrigerant in the capillary 4 and to reach a supercooling effect, such that a supercooling degree can be increased, a refrigerating capacity per unit volume can be promoted, a refrigerating speed can be enhanced, refrigerating efficiency can be further improved, and an energy consumption can be reduced.
  • the heat exchange between the capillary 4 and the liquid reservoir 1 improves purity of the refrigerant liquid in the capillary 4, a noise produced by an airflow disturbance can also be reduced. Meanwhile, the purity of a refrigerant gas in the liquid reservoir 1 can also be improved, and a liquid impact phenomenon can be prevented from occurring in the subsequent compressor 6.
  • the capillary 4 may be attached to the gas input pipe 2 and/or the gas output pipe 3. That is to say, the capillary 4 may be attached to the gas input pipe 2, as illustrated in drawings. In this way, the refrigerant in the capillary 4 can perform the heat exchange with the refrigerant in the gas input pipe 2, thereby improving the purity of the refrigerant liquid in the capillary 4.
  • the capillary 4 may be attached to the gas output pipe 3, such that the refrigerant in the capillary 4 can perform the heat exchange with the refrigerant outflowing from the liquid reservoir 1, thereby improving the supercooling degree of the refrigerant.
  • the capillary 4 may be attached to the gas input pipe 2 and the gas output pipe 3 at the same time, that is, one end of the capillary 4 is attached to the gas input pipe 2, a middle portion of the capillary 4 is wound around the outer wall of the liquid reservoir 1, and also, the other end of the capillary 4 is attached to the gas output pipe 3, such that the capillary 4 can achieve a sufficient heat exchange with the liquid reservoir 1, and thus the purity of the refrigerant liquid in the capillary 4 can be high, thereby further improving the refrigerating efficiency.
  • the refrigerant in the capillary 4 can achieve the heat exchange with the incompletely evaporated refrigerant in the liquid reservoir 1, so as to completely liquefy the refrigerant in the capillary 4 and to reach the supercooling effect, such that the supercooling degree can be increased, the refrigerating capacity per unit volume can be promoted, the refrigerating speed can be enhanced, the refrigerating efficiency can be further improved, and the energy consumption can be reduced.
  • the liquid reservoir 1 can reduce the filling quantity deviation of the refrigerant, and prevent the phenomenon of the excessive refrigerant or the insufficient refrigerant from occurring, such that the refrigerating speed can be further enhanced, and the refrigerating efficiency can be improved. Meanwhile, since the heat exchange between the capillary 4 and the liquid reservoir 1 improves the purity of the refrigerant liquid in the capillary 4, the purity of the refrigerant gas in the liquid reservoir 1 can also be improved, such that the noise produced by the airflow disturbance can be reduced, and a probability of the liquid impact phenomenon occurring in the compressor 6 can be decreased.
  • the capillary 4 may be attached to the gas input pipe 2, such that the refrigerant in the capillary 4 can achieve the heat exchange with the refrigerant in the gas input pipe 2, the purity of the refrigerant liquid in the capillary 4 can be further improved, and the refrigerating efficiency can be enhanced.
  • an inlet end 41 of the capillary 4 may be wound around the gas input pipe 2 and an outlet end 42 of the capillary 4 may be wound around the outer wall of the liquid reservoir 1.
  • a stability of the capillary 4 being wound around the liquid reservoir 1 can be enhanced, so as to avoid falling off of the capillary 4;
  • the refrigerant from the inlet end 41 of the capillary 4 can achieve the heat exchange with the gas input pipe 2, a vast majority of the refrigerant has become liquid, only a small amount of the refrigerant is in a gaseous state and is mixed in the liquid, and such gaseous refrigerant is further liquefied while passing through the capillary 4 wound around the liquid reservoir 1, such that all the refrigerants finally entering the evaporator 8 is liquid, the refrigerating capacity per unit volume of the refrigerant is ensured to be maximized, the heat exchange efficiency is improved, the temperature reducing speed is increased, and the energy consumption
  • the capillary 4 may be bound to the gas input pipe 2 by a tape 5, so as to improve the stability of the capillary 4 being attached to the gas input pipe 2, and to reduce the probability of the capillary 4 falling off.
  • the tape 5 may be a heat-transfer tape 5. In this way, the heat exchange between the capillary 4 and the gas input pipe 2 is facilitated.
  • the tape 5 may be an aluminum-foil tape 5. Since the aluminum-foil tape 5 is capable of conducting heat and has advantages of a good viscidity, a strong adhesive force, an anti-aging characteristic, etc., by binding the capillary 4 to the gas input pipe 2 with the aluminum-foil tape 5, the stability and the reliability of the capillary 4 being attached to the gas input pipe 2 can be further improved, and an influence on the heat exchange between the capillary 4 and the gas input pipe 2 can also be reduced.
  • the liquid reservoir 1 may be oriented in a vertical direction, the gas inlet 12 may be disposed at the top of the liquid reservoir 1, and the gas outlet 13 may be disposed at the bottom of the liquid reservoir 1.
  • the refrigerant in the gas input pipe 2 may enter the liquid storage chamber 11 through the gas outlet 13, and perform a gas-liquid separation under the action of gravity.
  • the refrigerant in the liquid storage chamber 11 performs the heat exchange with the refrigerant in the capillary 4, flows out of the gas outlet 13 of the liquid reservoir 1 after being further vaporized, and enters the subsequent compressor 6, thereby completing the circulation.
  • the gas output pipe 3 may extend into the liquid reservoir 1.
  • an end of the gas output pipe 3 may extend into the liquid reservoir 1 until above a central portion of the liquid reservoir 1, and the end may be inclined towards a side wall of the liquid reservoir 1. In this way, when the gas-liquid refrigerant mixture enters the liquid reservoir 1 through the gas inlet 12 at the top, the liquid refrigerant moves downwards under the action of gravity, and gathers at the bottom of the liquid storage chamber 11 to perform the heat exchange with the capillary 4 wound around the outer wall of the liquid reservoir 1, so as to be further vaporized.
  • the gaseous refrigerant moves upwards, flows out of the gas output pipe 3, and further flows into the subsequent compressor 6. Also, the liquid refrigerant continues performing the heat exchange with the capillary 4. While performing the heat exchange with the refrigerant in the liquid reservoir 1, the refrigerant in the capillary 4 can be further liquefied, such that all the refrigerants entering the evaporator 8 can be liquid. Thus, the refrigerating capacity per unit volume of the refrigerant can be ensured to be maximized, the heat exchange efficiency can be improved, and the energy consumption can be reduced.
  • a part of the gas output pipe 3 extending into the liquid reservoir 1 may have several oil return holes 31. Since a lubricating oil in the compressor 6 will unavoidably enter a refrigerating system 200 when the compressor 6 compresses the refrigerant to work, by providing the several oil return holes 31 in the part of the gas output pipe 3 extending into the liquid reservoir 1, a separation of the refrigerant and the lubricating oil can be achieved, the refrigerant can flow into the subsequent heat exchange system, and the lubricating oil can return to a compression chamber of the compressor 6.
  • the influence of the lubricating oil on the refrigerating system 200 can be reduced; on the other hand, the lubricating oil can be recycled to avoid a phenomenon that the compressor 6 is burnt out due to operations with insufficient oil, so as to protect the compressor 6.
  • the gas input pipe 2 and the gas output pipe 3 are each a copper pipe.
  • the copper pipe has a good heat-conduction performance and a low cost, such that, by employing the copper pipe, the heat exchange effects of the gas input pipe 2 and the gas output pipe 3 with the capillary 4 can be improved, and also, the cost can be reduced.
  • the gas input pipe 2 and the gas output pipe 3 may be respectively connected to the liquid reservoir 1 by welding.
  • the gas input pipe 2 may be welded at the gas inlet 12, and the gas output pipe 3 may be welded at the gas output pipe 13.
  • the gas input pipe 2 and the gas output pipe 3 may be welded to the liquid reservoir 1 firstly, and then welded to the evaporator 8 as a whole.
  • the refrigerant in the capillary 4 can achieve the heat exchange with the incompletely evaporated refrigerant in the liquid reservoir 1, so as to completely liquefy the refrigerant in the capillary 4 and to reach the supercooling effect, such that the supercooling degree can be increased, the refrigerating capacity per unit volume can be promoted, the refrigerating speed can be enhanced, the refrigerating efficiency can be further improved, and the energy consumption can be reduced.
  • the liquid reservoir 1 can reduce the filling quantity deviation of the refrigerant, and prevent the phenomenon of the excessive refrigerant or the insufficient refrigerant from occurring, such that the refrigerating speed can be further increased, and the refrigerating efficiency can be further improved. Meanwhile, since the heat exchange between the capillary 4 and the liquid reservoir 1 improves the purity of the refrigerant liquid in the capillary 4, the noise produced by the airflow disturbance can also be reduced, the probability of the liquid impact phenomenon occurring in the compressor 6 can be reduced, and hence a service life of the compressor 6 can be prolonged.
  • the present disclosure further provides a refrigerating system 200, as illustrated in Fig. 7 , the refrigerating system 200 according to embodiments of the present disclosure includes a compressor 6, a condenser 7, an evaporator 8 and a liquid reservoir assembly.
  • the condenser 7 may be connected to the compressor 6, and the liquid reservoir assembly is the liquid reservoir assembly 100 for the refrigerating system according to the above embodiments of the present disclosure.
  • the capillary 4 may be connected to the condenser 7 and the evaporator 8 respectively, the gas input pipe 2 may be connected to the evaporator 8, and the gas output pipe 3 may be connected to the compressor 6.
  • the filling quantity deviation of the refrigerating system can be reduced, the phenomenon of the excessive refrigerant or the insufficient refrigerant can be prevent from occurring.
  • the supercooling degree can be increased, the refrigerating capacity per unit volume can be promoted, the refrigerating speed can be enhanced, the refrigerating efficiency can be improved, and the energy consumption can be reduced.
  • the noise produced by the airflow disturbance can also be reduced, the probability of the liquid impact phenomenon occurring in the compressor 6 can be reduced, and the service life of the compressor 6 can be prolonged.
  • the gas input pipe 2 may be connected to the evaporator 8 by welding, such that the strength and the reliability of the connection between the liquid reservoir assembly 100 and the evaporator 8 can be enhanced, the manufacturing is facilitated, and the production cost is reduced.
  • the compressor 6 has an exhaust port 61 and a gas return port 62
  • the condenser 7 includes a left condenser 71 and a right condenser 72
  • an anti-condensation pipe 73 is connected between the left condenser 71 and the right condenser 72 so as to prevent a condensation phenomenon from occurring to the condenser 7.
  • the exhaust port 61 is connected to one end of the left condenser 71, and the other end of the left condenser 71 is connected to one end of the right condenser 72 through the anti-condensation pipe 73.
  • a dry filter 9 is connected between the other end of the right condenser 72 and the liquid reservoir assembly 100, and the dry filter 9 is communicated with the inlet end 41 of the capillary 4.
  • the inlet end 41 of the capillary 4 is bound to the gas input pipe 2 by the aluminum foil tape 5.
  • the outlet end 42 of the capillary 4 is wound around the outer wall of the liquid reservoir 1.
  • the outlet end 42 of the capillary 4 is connected to an inlet of the evaporator 8, and an outlet of the evaporator 8 is connected to the liquid reservoir 1 through the gas input pipe 2 by welding.
  • the gas output pipe 3 is connected to the compressor 6.
  • the compressor 6 compresses the refrigerant in the compression chamber to work. After being compressed by the compressor 6, the high-temperature and high-pressure refrigerant is discharged out of the exhaust port 61 of the compressor 6, enters the left condenser 71 and the right condenser 72 in turn to perform a heat dissipation, and further enters the capillary 4 via the inlet end 41 of the capillary 4 after being filtered by the dry filter 9, so as to achieve the heat exchange with the refrigerant in the liquid reservoir 1.
  • the refrigerant After being throttled and depressurized by the capillary 4, the refrigerant enters the evaporator 8 and absorbs heat in the evaporator 8, thus achieving a refrigerating operation. Then, the refrigerant enters the liquid reservoir 1 through the gas input pipe 2, achieves the heat exchange with the refrigerant in the capillary 4 within the liquid reservoir 1, and returns to the compressor 6 through the gas output pipe 3 to be compressed, thereby completing the circulation of the refrigerant in the refrigerating system 200.
  • the capillary 4 Since the capillary 4 is attached to the gas input pipe 2 and wound around the outer wall of the liquid reservoir 1, the refrigerant in the capillary 4 can perform a further heat exchange with the refrigerant in the liquid reservoir 1 during the circulation.
  • the refrigerant liquid after being throttled and depressurized by the capillary 4 can perform the heat exchange with the incompletely evaporated refrigerant in the liquid reservoir 1.
  • the refrigerant in the capillary 4 can be further completely liquefied into the refrigerant liquid under the action of the low-temperature refrigerant in the liquid reservoir 1, so as to reach the supercooling effect, such that the supercooling degree can be increased, and the refrigerating capacity per unit volume can be improved.
  • the refrigerating effect can be promoted, the refrigerating speed can be increased, and the energy consumption can be reduced, so as to improve the purity of the refrigerant liquid entering the evaporator 8, and to reduce the noise produced by the airflow disturbance.
  • the incompletely evaporated refrigerant in the liquid reservoir 1 can be further evaporated under the action of the high-temperature refrigerant in the capillary 4, the purity of the gaseous refrigerant entering the compressor 6 through the gas output pipe 3 can be improved, and the liquid mixed in the refrigerant returning to the compressor 6 via the gas return port 62 is reduced, such that the liquid impact phenomenon can be prevented from occurring in the compressor 6, the noise hence can be further reduced, and also, the probability of a breakdown of the compressor 6 can be reduced.
  • the refrigerating system 200 since the refrigerating system 200 according to embodiments of the present disclosure, by is provided with the liquid reservoir assembly 100 according to the above embodiments of the present disclosure, the refrigerating system 200 has advantages of the high refrigerating efficiency, the low energy consumption and the low noise.
  • the present disclosure further provides a freezer, which includes the refrigerating system 200 according to the above embodiments of the present disclosure.
  • the freezer according to embodiments of the present disclosure by using the refrigerating system 200 according to the above embodiments of the present disclosure, has advantages of the high refrigerating efficiency, the low energy consumption and the low noise.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Compressor (AREA)
EP15906551.5A 2015-10-21 2015-11-18 Ensemble récepteur de liquide pour système frigorifique, et système frigorifique et congélateur comportant ledit ensemble Active EP3336451B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510692760.8A CN105202833A (zh) 2015-10-21 2015-10-21 用于制冷系统的储液器组件、具有它的制冷系统和冷柜
CN201520824500.7U CN205192005U (zh) 2015-10-21 2015-10-21 用于制冷系统的储液器组件、具有它的制冷系统和冷柜
PCT/CN2015/094955 WO2017067035A1 (fr) 2015-10-21 2015-11-18 Ensemble récepteur de liquide pour système frigorifique, et système frigorifique et congélateur comportant ledit ensemble

Publications (3)

Publication Number Publication Date
EP3336451A1 true EP3336451A1 (fr) 2018-06-20
EP3336451A4 EP3336451A4 (fr) 2018-08-08
EP3336451B1 EP3336451B1 (fr) 2022-08-03

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EP15906551.5A Active EP3336451B1 (fr) 2015-10-21 2015-11-18 Ensemble récepteur de liquide pour système frigorifique, et système frigorifique et congélateur comportant ledit ensemble

Country Status (3)

Country Link
US (1) US20180231285A1 (fr)
EP (1) EP3336451B1 (fr)
WO (1) WO2017067035A1 (fr)

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JP2000337261A (ja) * 1999-05-26 2000-12-05 Funai Electric Co Ltd 圧縮機
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DE102015207844A1 (de) * 2015-04-28 2016-11-03 BSH Hausgeräte GmbH Kältegerät mit einem Wärmetauscher
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CN205192005U (zh) * 2015-10-21 2016-04-27 合肥华凌股份有限公司 用于制冷系统的储液器组件、具有它的制冷系统和冷柜

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US20180231285A1 (en) 2018-08-16
EP3336451A4 (fr) 2018-08-08

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