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CN-118999013-B - Refrigerating system and refrigerator

CN118999013BCN 118999013 BCN118999013 BCN 118999013BCN-118999013-B

Abstract

The invention discloses a refrigerating system and a refrigerator, wherein the refrigerating system comprises a compressor, a condenser, a throttling part, a gas-liquid separator and a first evaporator, the compressor is provided with an exhaust port, a first air return port and a second air return port, the condenser is connected to the exhaust port, the throttling part is connected to the outlet of the condenser, the gas-liquid separator comprises a shell, an input pipe, a first output pipe and a second output pipe, the input pipe is connected to the middle part of the shell, the outer end of the input pipe is connected to the outlet of the throttling part, the inner end of the input pipe is positioned in an inner cavity of the shell, the first output pipe is connected to the lower end of the shell and is communicated with the inner cavity, the first evaporator is connected to the first air return port through a pipeline, the second output pipe is connected to the upper end of the shell, the lower end of the second output pipe is positioned in the inner cavity and is staggered with the inner end of the input pipe, and the upper end of the second output pipe is communicated with the second air return port. The liquid refrigerant and the gaseous refrigerant are separated by the gas-liquid separator, so that the refrigerating capacity can be improved.

Inventors

  • SHEN MENGLIANG

Assignees

  • 湖北美的电冰箱有限公司

Dates

Publication Date
20260505
Application Date
20230519

Claims (9)

  1. 1. A refrigeration system, comprising: A compressor having a discharge port, a first return port, and a second return port; A condenser connected to the exhaust port; A throttle member connected to an outlet of the condenser; The gas-liquid separator comprises a shell, an input pipe, a first output pipe and a second output pipe, wherein the input pipe is connected to the middle part of the shell, the outer end of the input pipe is connected with an outlet of the throttling component, the inner end of the input pipe is positioned in an inner cavity of the shell, the first output pipe is connected to the lower end of the shell and communicated with the inner cavity, the second output pipe is connected to the upper end of the shell, the lower end of the second output pipe is positioned in the inner cavity and staggered with the inner end of the input pipe, and the upper end of the second output pipe is communicated with the second return port; The first evaporator is connected with the first output pipe and communicated with the first air return port; The gas-liquid separator is arranged between the throttling component and the first evaporator, the refrigerant output by the throttling component enters the gas-liquid separator and is input into the first evaporator, the distance between the lower end of the second output pipe and the part, connected with the input pipe, of the inner wall of the shell is L1, the distance between the inner end of the input pipe and the part, connected with the inner wall of the shell, of the input pipe is L2, L1< L2 is met, the input pipe comprises a first straight pipe and a first inclined pipe which are connected, the first straight pipe is connected with the shell, and the first inclined pipe is inclined downwards.
  2. 2. The refrigerant system as set forth in claim 1, wherein an inner end surface of said inlet pipe is provided as an inclined surface, said inclined surface facing downward.
  3. 3. The refrigerant system as set forth in claim 1 wherein the angle between the axis of said first straight tube and the axis of said first angled tube is less than 175 degrees.
  4. 4. A refrigeration system as claimed in claim 2 or claim 3 wherein said second output tube is a straight tube.
  5. 5. A refrigeration system as claimed in claim 2 or claim 3 wherein said second output tube includes a second straight tube and a second inclined tube connected thereto, said second straight tube being connected to said housing, said second inclined tube being inclined toward the junction of said housing and said input tube.
  6. 6. The refrigerant system as set forth in claim 5 wherein the angle between the axis of said second straight tube and the axis of said second angled tube is less than 175 degrees.
  7. 7. The refrigeration system of claim 1 further comprising a second evaporator connected to the second output tube and in communication with the second return port.
  8. 8. The refrigeration system of claim 1 further comprising a regenerator disposed between the condenser and the throttling element, the second output tube being connected to the regenerator.
  9. 9. A refrigerator comprising a cabinet and a refrigeration system according to any one of claims 1 to 8, the refrigeration system being connected to the cabinet.

Description

Refrigerating system and refrigerator Technical Field The invention relates to the technical field of refrigerators, in particular to a refrigerating system and a refrigerator. Background A refrigerator is a refrigerating apparatus that maintains a stable low temperature for maintaining a low temperature state of food materials or other objects. The refrigerating system of the refrigerator comprises a compressor, a condenser, a throttling component and an evaporator, the refrigerant output by the current throttling component is mixed with gas and liquid phases, and the heat absorption effect of the gaseous refrigerant is poor, so that the requirement of the refrigerant which is mixed with the gas and liquid phases is difficult to meet when the refrigerant is input into the evaporator in a storage room which needs a specific low temperature. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a refrigeration system which is provided with a gas-liquid separator and can separate gaseous refrigerant and liquid refrigerant to meet specific refrigeration requirements. The invention also provides a refrigerator applying the refrigerating system. According to an embodiment of the first aspect of the present invention, a refrigeration system includes a compressor, a condenser, a throttling component, a gas-liquid separator and a first evaporator, wherein the compressor has a gas outlet, a first gas return port and a second gas return port, the condenser is connected to the gas outlet, the throttling component is connected to the outlet of the condenser, the gas-liquid separator includes a shell, an input pipe, a first output pipe and a second output pipe, the input pipe is connected to the middle part of the shell, the outer end of the input pipe is connected to the outlet of the throttling component, the inner end is located in an inner cavity of the shell, the first output pipe is connected to the lower end of the shell and is communicated with the inner cavity, the first evaporator is connected to the first output pipe and is communicated with the first gas return port through a pipeline, the second output pipe is connected to the upper end of the shell, the lower end of the second output pipe is located in the inner cavity and is staggered with the inner end of the input pipe, and the upper end of the second output pipe is communicated with the second gas return port. The refrigerator provided by the embodiment of the invention has at least the following beneficial effects: The refrigerant becomes low-pressure liquid refrigerant and gaseous refrigerant mixture with lower saturation temperature after the throttle pressure reduction of the throttling component, then enters the inner cavity of the gas-liquid separator through the input pipe, the liquid refrigerant and the gaseous refrigerant are automatically separated in the inner cavity due to the action of gravity, the gaseous refrigerant flows upwards and enters the second output pipe, the liquid refrigerant flows downwards and enters the first output pipe, and the first output pipe is connected with the first evaporator, so that the refrigerant input into the first evaporator is basically all liquid refrigerant, the high-temperature liquid refrigerant has a good refrigerating effect, and specific refrigerating requirements can be met. According to some embodiments of the first aspect of the present invention, in a horizontal direction, a distance between a lower end of the second output pipe and a portion of the inner wall of the housing, where the input pipe is connected, is L1, and a distance between an inner end of the input pipe and a portion of the inner wall of the housing, where the input pipe is connected, is L2, so that L1< L2 is satisfied. According to some embodiments of the first aspect of the invention, the input pipe is a straight pipe, and a gap is formed between the input pipe and the second output pipe. According to some embodiments of the first aspect of the invention, the inner end surface of the input tube is provided as an inclined surface facing downwards. According to some embodiments of the first aspect of the present invention, the input pipe includes a first straight pipe and a first inclined pipe connected to each other, the first straight pipe being connected to the housing, and the first inclined pipe being inclined downward. According to some embodiments of the first aspect of the invention, an angle between an axis of the first straight tube and an axis of the first angled tube is less than 175 degrees. According to some embodiments of the first aspect of the invention, the second output tube is a straight tube. According to some embodiments of the first aspect of the present invention, the second output pipe includes a second straight pipe and a second inclined pipe, the second straight pipe is connected to the housing, an