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CN-224230391-U - Evaporator assembly and refrigeration equipment

CN224230391UCN 224230391 UCN224230391 UCN 224230391UCN-224230391-U

Abstract

The utility model discloses an evaporator assembly and refrigeration equipment, wherein the evaporator assembly is used for being installed in the refrigeration equipment, the evaporator assembly includes a first evaporator and a second evaporator. The first evaporator comprises a first evaporation tube and a plurality of first fins which are arranged on the first evaporation tube at intervals. The second evaporator comprises a second evaporation tube and a plurality of second fins which are arranged on the second evaporation tube at intervals. The evaporator assembly further comprises a heating wire, and the heating wire is fixed on the first fin and/or the second fin. According to the utility model, the heat of the heating wire positioned between the first evaporation pipe and the second evaporation pipe can radiate to the first evaporator and the second evaporator at the same time, so that frost on the surfaces of the evaporators at two sides can be heated and defrosted at the same time, and the heating and defrosting efficiency of the evaporator assembly can be improved. And, the heater strip is fixed on the fin, can be through fin conduction heat, more quick with the surface of heat conduction to the evaporator assembly to realize quick defrosting.

Inventors

  • ZHAO CAIYUN
  • ZHANG WEI
  • YANG YUTAO
  • JI LISHENG
  • CHEN JIANQUAN
  • DA CHAOBIN

Assignees

  • 青岛海尔电冰箱有限公司
  • 海尔智家股份有限公司
  • 青岛海尔智能技术研发有限公司

Dates

Publication Date
20260512
Application Date
20250430

Claims (10)

  1. 1. An evaporator assembly (100) for installation in a refrigeration appliance, comprising: The first evaporator (10) comprises a first evaporation tube (11) and a plurality of first fins (12) which are arranged on the first evaporation tube (11) at intervals; The second evaporator (20) is arranged opposite to the first evaporator (10) and comprises a second evaporation tube (21) and a plurality of second fins (22) which are arranged on the second evaporation tube (21) at intervals; and the heating wires (30) are arranged between the first evaporation pipe (11) and the second evaporation pipe (21), and the heating wires (30) are fixed on the first fins (12) and/or the second fins (22).
  2. 2. The evaporator assembly (100) according to claim 1, wherein the first fin (12) and the second fin (22) are provided with a clamping groove (23) on the fin for fixing the heating wire (30), the clamping groove (23) is opened towards the other fin, the heating wire (30) is fixed in the clamping groove (23), and the first fin (12) and the second fin (22) are in contact with each other.
  3. 3. The evaporator assembly (100) according to claim 1, wherein opposite sides of the first fin (12) and the second fin (22) are provided with clamping grooves (23), and the first fin (12) and the second fin (22) are staggered and are clamped on the heating wire (30) through the clamping grooves (23).
  4. 4. The evaporator assembly (100) according to claim 1, wherein the first fins (12) and the second fins (22) are provided with clamping grooves (23) on the fins for fixing the heating wires (30), the clamping grooves (23) are provided with clamping walls (231), and the clamping walls (231) are arc-shaped to match the outer edges of the heating wires (30); And/or, the clamping groove (23) is provided with guide walls (232) at two sides of the opening position, the guide walls (232) extend towards one side away from the clamping groove (23), and the guide walls (232) are arranged in an arc surface.
  5. 5. The evaporator assembly (100) according to claim 1, wherein the bottom of the first evaporator (10) is arranged flush with the bottom of the second evaporator (20), or the bottom of the first evaporator (10) is arranged higher than the bottom of the second evaporator (20), or the first evaporator (10) and the second evaporator (20) are arranged offset in the height direction of the evaporator assembly (100).
  6. 6. The evaporator assembly (100) according to claim 1, wherein the first evaporator tube (11) and the second evaporator tube (21) each extend in a serpentine shape and each comprise a straight tube (13) arranged in parallel up and down, an elbow (14) connecting adjacent straight tubes (13), the heating wire (30) also extends in a serpentine shape and comprises a straight heating wire (33) arranged in parallel up and down and an arc heating wire (34) connecting adjacent straight heating wires (33), the straight heating wire (33) is arranged opposite to the straight tubes (13) in the thickness direction of the evaporator assembly (100), and the arc heating wire (34) is positioned between two adjacent elbows (14) in the height direction of the evaporator assembly (100); And/or the heating wire (30) is fixed on the first fin (12) and/or the second fin (22) through a linear heating wire (33).
  7. 7. The evaporator assembly (100) according to claim 1, wherein the first evaporator (10) further comprises first holders (15) disposed on both sides in the width direction of the first evaporator tube (11), the second evaporator (20) further comprises second holders (25) disposed on both sides in the width direction of the second evaporator tube (21), and the evaporator assembly (100) further comprises a connecting structure (50) connecting the first holders (15) and the second holders (25) on the same side; And/or, the two ends of the heating wire (30) along the width direction of the evaporator assembly (100) are fixed on the first fixing frame (15) or the second fixing frame (25), fixing frames used for fixing the heating wire (30) are provided with fixing grooves (152), clamping walls (153) positioned on two sides of the fixing grooves (152) and buffer grooves (154) positioned on one sides of the clamping walls (153) deviating from the fixing grooves (152).
  8. 8. The evaporator assembly (100) according to claim 1, wherein the first fin (12) and the second fin (22) each include an upper fin located on an upper side and a lower fin located on a lower side in a height direction of the evaporator assembly (100), the lower fins account for 15% -20% of the height of the evaporator assembly (100), and a distribution pitch of the lower fins is 5 mm-20 mm in a width direction of the evaporator assembly (100).
  9. 9. The evaporator assembly (100) according to claim 1, wherein the heating wires (30) extend throughout the area where all the evaporation tubes are located in the height direction of the evaporator assembly (100), and the heating power ratio of the upper half heating wires (30) to the lower half heating wires (30) is 1:2-1:2.5 in the height range covered by the heating wires (30).
  10. 10. A refrigeration appliance comprising a housing and an evaporator chamber arranged in the housing, characterized in that the refrigeration appliance further comprises an evaporator assembly (100) according to any one of claims 1-9, the evaporator assembly (100) being arranged in the evaporator chamber.

Description

Evaporator assembly and refrigeration equipment Technical Field The utility model relates to the technical field of refrigeration, in particular to an evaporator assembly and refrigeration equipment. Background The refrigeration principle of a refrigeration device mainly depends on the change of state of the refrigerant and the cyclic operation of the compressor. The refrigerant changes from a liquid state to a gas state in the evaporator, and absorbs heat in the refrigeration equipment, thereby reducing the temperature in the refrigeration equipment. The gaseous refrigerant is sucked by the compressor and compressed into a high-temperature and high-pressure gas, and then releases heat through the condenser to gradually condense into a liquid. After the high-pressure liquid is throttled and depressurized by a capillary tube, the high-pressure liquid enters the evaporator again, and continues to vaporize and absorb heat, so that a circulating refrigeration process is formed. In the refrigerating process of the evaporator, the temperature of the evaporator is far lower than that of surrounding air, water vapor in the air is easy to condense at the evaporator, and the evaporator is easy to frost under the condition of long-term working of the refrigerating equipment, so that the normal working of the refrigerating equipment is influenced. Therefore, the evaporator in the current refrigeration equipment is usually additionally provided with a heating assembly to assist defrosting. However, improper connection of the heating assembly to the evaporator may affect the heat transfer effect. Disclosure of utility model The utility model aims to provide an evaporator assembly and refrigeration equipment, which are used for solving the defects in the prior art, enabling the connection between a heating assembly and an evaporator to be simpler and more convenient and effectively improving the heat conduction effect of the heating assembly on the evaporator. In order to achieve one of the above objects, the present utility model provides an evaporator assembly for installation in a refrigeration appliance, comprising: The first evaporator comprises a first evaporation tube and a plurality of first fins which are arranged on the first evaporation tube at intervals; The second evaporator is arranged opposite to the first evaporator and comprises a second evaporation pipe and a plurality of second fins which are arranged on the second evaporation pipe at intervals; and the heating wire is arranged between the first evaporation tube and the second evaporation tube and is fixed on the first fin and/or the second fin. As a further improvement of an embodiment of the utility model, in the first fin and the second fin, a clamping groove is arranged on the fin for fixing the heating wire, the clamping groove is opened towards the other fin, the heating wire is fixed in the clamping groove, and the first fin and the second fin are in contact with each other. As a further improvement of an embodiment of the utility model, the opposite sides of the first fins and the second fins are respectively provided with a clamping groove, and the first fins and the second fins are arranged in a staggered manner and are clamped on the heating wire through the clamping grooves. As a further improvement of an embodiment of the utility model, in the first fin and the second fin, a clamping groove is arranged on the fin for fixing the heating wire, the clamping groove is provided with a clamping wall, and the shape of the clamping wall is an arc shape matched with the shape of the heating wire. As a further improvement of one embodiment of the utility model, the clamping groove is provided with guide walls at two sides of the opening position, the guide walls extend towards one side away from the clamping groove, and the guide walls are arranged in an arc surface. As a further improvement of an embodiment of the present utility model, the bottom of the first evaporator is arranged flush with the bottom of the second evaporator, or the bottom of the first evaporator is arranged higher than the bottom of the second evaporator, or the first evaporator and the second evaporator are arranged in a staggered manner in the height direction of the evaporator assembly. As a further improvement of an embodiment of the utility model, the first evaporation tube and the second evaporation tube are respectively in a serpentine bending extension, and each of the first evaporation tube and the second evaporation tube comprises straight tubes which are arranged in parallel up and down, bent tubes which are connected with adjacent straight tubes, the heating wire is also in a serpentine bending extension, the heating wire comprises a straight heating wire which is arranged in parallel up and down and an arc heating wire which is connected with the adjacent straight heating wire, the straight heating wire is arranged opposite to the straight tubes in the thickness di