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CN-122014559-A - Compressor and refrigerator

CN122014559ACN 122014559 ACN122014559 ACN 122014559ACN-122014559-A

Abstract

The embodiment of the application provides a compressor and a refrigerator, and relates to the technical field of refrigeration. The compressor comprises a compressor shell assembly, a cooler, a first compression piston and a second compression piston, wherein the first compression piston and the second compression piston are opposite and are arranged at intervals, a compression cavity is arranged between the first compression piston and the second compression piston and is suitable for being connected with an expander, the compression cavity comprises a first wall surface of the first compression piston facing the second compression piston, a second wall surface of the second compression piston facing the first compression piston and a peripheral wall arranged between the first wall surface and the second wall surface, and the cooler is arranged on the peripheral wall and used for cooling working mediums in the compression cavity. The application is used for avoiding the influence of the working medium output by the compressor on the refrigerating effect.

Inventors

  • SUN CHAO
  • ZHANG QIGONG
  • Mei Yanmei
  • SHENG RONGJIN
  • TONG RENCHAO

Assignees

  • 杭州海康微影传感科技有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (14)

  1. 1. A compressor comprising a compressor housing assembly, a cooler, a first compression piston, and a second compression piston; The first compression piston and the second compression piston are opposite and are arranged at intervals, a compression cavity is arranged between the first compression piston and the second compression piston, and the compression cavity is suitable for being connected with an expansion machine; The compression cavity comprises a first wall surface of the first compression piston facing the second compression piston, a second wall surface of the second compression piston facing the first compression piston and a peripheral wall arranged between the first wall surface and the second wall surface, and the cooler is arranged on the peripheral wall and used for cooling working media in the compression cavity.
  2. 2. The compressor of claim 1, wherein the cooler is disposed within the compressor housing assembly and is in thermal communication with the peripheral wall.
  3. 3. The compressor of claim 1, wherein the cooler is provided to a wall surface of a portion of the compressor housing assembly facing the compression chamber, and the cooler forms at least a portion of the peripheral wall.
  4. 4. A compressor according to claim 3, wherein the cooler is disposed circumferentially around the compression chamber.
  5. 5. The compressor of claim 4, wherein the cooler is located between the first compression piston and the second compression piston.
  6. 6. The compressor of claim 4, wherein the first and second compression pistons move toward or away from each other in a first direction, the first and second compression pistons being in a compressed position, the compression chamber having a first distance in the first direction, the first and second compression pistons being in an expanded position, the compression chamber having a second distance in the first direction, the first distance being less than the second distance; The diameter of the aperture formed by the cooler around the compression cavity is larger than or equal to the diameter of the first compression piston and/or the second compression piston, and the dimension of the cooler in the first direction is larger than or equal to the first distance.
  7. 7. The compressor of claim 6, wherein a dimension of the cooler in a first direction is less than or equal to the second distance.
  8. 8. A compressor according to claim 3, wherein a surface of the partial compressor shell assembly facing away from the cooler is provided with a heat dissipating structure.
  9. 9. The compressor of claim 8, wherein the heat dissipating structure includes heat dissipating fins.
  10. 10. A compressor according to claim 3, wherein said compressor housing assembly is provided with an opening communicating said compression chamber with the outside, a portion of said cooler being disposed within said opening.
  11. 11. The compressor of claim 3, wherein the cooler is a thermoelectric cooler and a cold side of the thermoelectric cooler faces the compression chamber.
  12. 12. The compressor of claim 1, wherein the compressor housing assembly and/or the cooler is provided with a communication port through which the compression chamber is adapted to be connected with the expander; The cooler comprises a connecting cable, and the communication port and the connecting cable are arranged along the circumference of the compression cavity.
  13. 13. The compressor of any one of claims 1 to 12, further comprising a temperature sensor for detecting a temperature of the working fluid in the compression chamber and a controller connected to the temperature sensor and the cooler for controlling and adjusting the power of the cooler based on the temperature of the working fluid detected by the temperature sensor.
  14. 14. A refrigerator comprising an expander and a compressor as claimed in any one of claims 1 to 13, the compression chamber of the compressor being connected to the expander.

Description

Compressor and refrigerator Technical Field The application relates to the technical field of refrigeration, in particular to a compressor and a refrigerator. Background A refrigerator is a device for cooling a device. In the prior art, a refrigerating machine generally compresses a working medium by using a compressor to drive the working medium to transfer heat in refrigeration cycle, thereby realizing cooling of equipment. However, the compressor affects the cooling effect of the refrigerator during the operation of the refrigerator, thereby affecting the cooling efficiency of the refrigerator. Disclosure of Invention The application provides a compressor and a refrigerator, which are used for avoiding the influence of working media output by the compressor on the refrigerating effect. The first aspect of the application provides a compressor, which comprises a compressor shell assembly, a cooler, a first compression piston and a second compression piston, wherein the first compression piston and the second compression piston are opposite and are arranged at intervals, a compression cavity is arranged between the first compression piston and the second compression piston and is suitable for being connected with an expander, the compression cavity comprises a first wall surface of the first compression piston facing the second compression piston, a second wall surface of the second compression piston facing the first compression piston and a peripheral wall arranged between the first wall surface and the second wall surface, and the cooler is arranged on the peripheral wall and is used for cooling working media in the compression cavity. As can be seen from the compressor provided in the first aspect, the cooler is arranged at the peripheral wall of the compression cavity, so that the working medium in the compression cavity can be cooled, the temperature of the working medium output by the compressor is reduced, and the influence of the working medium output by the compressor on the refrigerating effect is reduced. With reference to the first implementation manner of the first aspect, the cooler is disposed in the compressor shell assembly and is in thermal conduction with the peripheral wall. It can be seen from the first implementation manner that the cooler is disposed in the compressor housing assembly and is in thermal conduction with the peripheral wall, and heat of the working medium in the compression cavity can be transferred to the cooler through the peripheral wall, so that cooling of the working medium in the compression cavity is achieved, and the cooler is arranged in the compressor housing assembly. With reference to the second implementation manner of the first aspect, the cooler is provided on a wall surface of a portion of the compressor shell assembly facing the compression chamber, and the cooler forms at least a portion of the peripheral wall. According to the second implementation mode, the cooler forms at least part of the peripheral wall, so that the cooler can be directly arranged towards the compression cavity, and heat exchange between the cooler and working medium in the compression cavity is facilitated, and the cooling effect on the working medium in the compression cavity is improved. With reference to the third implementation manner of the first aspect, the cooler is disposed around the compression chamber. According to the third implementation mode, the cooler is arranged around the compression cavity in a circle and can cool working medium in the circumferential range of the compression cavity correspondingly, so that the uniformity of cooling the working medium in the compression cavity is improved. With reference to the fourth implementation manner of the first aspect, the cooler is located between the first compression piston and the second compression piston. According to the fourth implementation mode, the cooler is located between the first compression piston and the second compression piston, and can correspondingly cool working media located between the first compression piston and the second compression piston, so that the temperature of the working media in the compression cavity is reduced. With reference to the fifth implementation manner of the first aspect, the first compression piston and the second compression piston move towards each other or away from each other along the first direction, when the first compression piston and the second compression piston are in the compression position, the size of the compression cavity in the first direction is a first distance, when the first compression piston and the second compression piston are in the expansion position, the size of the compression cavity in the first direction is a second distance, the first distance is smaller than the second distance, and the aperture formed by the cooler surrounding the compression cavity is larger than or equal to the diameter of the first compression piston and/or the seco