Search

CN-224230778-U - Fin heat exchanger

CN224230778UCN 224230778 UCN224230778 UCN 224230778UCN-224230778-U

Abstract

The embodiment of the utility model provides a fin heat exchanger, and relates to the technical field of air conditioners. The fin heat exchanger comprises a distributor, a first heat exchange tube group and a supercooling tube group, wherein the first heat exchange tube group comprises a first main tube flow path, a first branch tube flow path and a second branch tube flow path, one end of the first main tube flow path is communicated with the distributor, the other end of the first main tube flow path is simultaneously communicated with the first branch tube flow path and the second branch tube flow path, an installation space is formed among the first main tube flow path, the first branch tube flow path and the second branch tube flow path, and the supercooling tube group is communicated with the distributor and is positioned in the installation space. The fin heat exchanger can reduce the pressure drop of a heat exchanger flow path, improve the performance of a unit, has a compact structure and can save space.

Inventors

  • XUE YIQI
  • ZHAO LIN

Assignees

  • 广东纽恩泰新能源科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250523

Claims (10)

  1. 1. A fin heat exchanger, comprising: A dispenser (10); A first heat exchange tube group (20), wherein the first heat exchange tube group (20) comprises a first main tube flow path (21), a first branch tube flow path (22) and a second branch tube flow path (23), one end of the first main tube flow path (21) is communicated with the distributor (10), the other end is simultaneously communicated with the first branch tube flow path (22) and the second branch tube flow path (23), an installation space (30) is formed among the first main tube flow path (21), the first branch tube flow path (22) and the second branch tube flow path (23), and -A set of supercooling tubes (40), said set of supercooling tubes (40) being in communication with said dispenser (10) and being located within said installation space (30).
  2. 2. The fin heat exchanger according to claim 1, wherein the first branch pipe flow path (22) and the second branch pipe flow path (23) are arranged at intervals in a first direction, the first main pipe flow path (21) and the supercooling pipe group (40) are arranged at intervals in the first direction, and the supercooling pipe group (40) and the second branch pipe flow path (23) are arranged at intervals in a second direction; The first main pipe flow path (21) and the supercooling pipe group (40) are positioned on the same side of the first branch pipe flow path (22) and the second branch pipe flow path (23), the first main pipe flow path (21) is arranged corresponding to the first branch pipe flow path (22), and the supercooling pipe group (40) is arranged corresponding to the second branch pipe flow path (23); Wherein the first direction and the second direction form an included angle.
  3. 3. The fin heat exchanger according to claim 2, wherein the first main pipe flow path (21) includes a plurality of first heat exchange pipes (211) that are sequentially communicated, the plurality of first heat exchange pipes (211) being sequentially arranged in the first direction, and/or, The first branch pipe flow path (22) includes a plurality of second heat exchange pipes (221) that are sequentially communicated, the plurality of second heat exchange pipes (221) being sequentially arranged along the first direction, and/or, The second branch pipe flow path (23) comprises a plurality of third heat exchange pipes (231) which are sequentially communicated, and the third heat exchange pipes (231) are sequentially arranged along the first direction.
  4. 4. The fin heat exchanger according to claim 1, wherein the supercooling tube group (40) includes a first header pipe (41), a first supercooling flow path (42), a second supercooling flow path (43), and a second header pipe (44), the first header pipe (41) communicates with the distributor (10), one ends of the first supercooling flow path (42) and the second supercooling flow path (43) each communicate with the first header pipe (41), and the other ends of the first supercooling flow path (42) and the second supercooling flow path (43) each communicate with the second header pipe (44); Wherein at least part of the first supercooling flow path (42) and the second supercooling flow path (43) are located in the installation space (30).
  5. 5. The fin heat exchanger according to claim 4, wherein the first main pipe flow path (21), the first supercooling flow path (42), and the second supercooling flow path (43) are sequentially disposed at intervals and are located on the same side of the first branch pipe flow path (22) and the second branch pipe flow path (23), the first supercooling flow path (42) and the second supercooling flow path (43) are disposed corresponding to the second branch pipe flow path (23), and the first main pipe flow path (21) is disposed corresponding to the first branch pipe flow path (22).
  6. 6. The fin heat exchanger according to claim 4, wherein the first supercooling flow path (42) includes a plurality of first supercooling pipes (421) that are sequentially communicated, the second supercooling flow path (43) includes a plurality of second supercooling pipes (431) that are sequentially communicated, and the plurality of first supercooling pipes (421) and the plurality of second supercooling pipes (431) are sequentially arranged.
  7. 7. The fin heat exchanger according to claim 1, wherein the fin heat exchanger (100) further includes a first capillary tube (50), both ends of the first capillary tube (50) being in communication with the distributor (10) and the first main pipe flow path (21), respectively.
  8. 8. The fin heat exchanger of claim 1, wherein the fin heat exchanger (100) further includes at least one second heat exchange tube group (60), the at least one second heat exchange tube group (60) is located on a side of the first heat exchange tube group (20) remote from the subcooling tube group (40), and the at least one second heat exchange tube group (60) is in communication with the distributor (10).
  9. 9. The fin heat exchanger according to claim 8, wherein the second heat exchange tube group (60) includes a second main tube flow path (61), a third branch tube flow path (62), and a fourth branch tube flow path (63), one end of the second main tube flow path (61) communicates with the distributor (10), and the other end communicates with the third branch tube flow path (62) and the fourth branch tube flow path (63) at the same time.
  10. 10. The fin heat exchanger according to claim 9, wherein the fin heat exchanger (100) further includes a second capillary tube (70), both ends of the second capillary tube (70) being in communication with the distributor (10) and the second main pipe flow path (61), respectively.

Description

Fin heat exchanger Technical Field The utility model relates to the technical field of air conditioners, in particular to a fin heat exchanger. Background A fin heat exchanger is an apparatus for improving heat exchange efficiency by increasing a heat exchange area, and mainly includes heat exchange tube groups, a distributor, a supercooling tube group, and the like. When the fin heat exchanger is used as an evaporator, the refrigerant sequentially passes through the supercooling pipe group, the distributor and the heat exchange pipe group, so that the refrigerating function is realized. However, the conventional fin heat exchanger has a limitation in design, and the flow paths in the heat exchange tube group are single, so that the local resistance is large, the integral pressure drop of the fin heat exchanger is increased, and the performance of the unit is finally influenced, so that the performance of the unit is poor. Disclosure of utility model The utility model aims to provide a fin heat exchanger which can reduce the pressure drop of a heat exchanger flow path and improve the performance of a unit. Embodiments of the present utility model are implemented as follows: An embodiment of the present utility model provides a fin heat exchanger including: a dispenser; A first heat exchange tube group including a first main tube flow path, a first branch tube flow path, and a second branch tube flow path, one end of the first main tube flow path being communicated with the distributor, the other end being simultaneously communicated with the first branch tube flow path and the second branch tube flow path, an installation space being formed among the first main tube flow path, the first branch tube flow path, and the second branch tube flow path, and And the supercooling pipe group is communicated with the distributor and is positioned in the installation space. In an alternative embodiment, the first branch pipe flow path and the second branch pipe flow path are arranged at intervals along a first direction, the first main pipe flow path and the supercooling pipe group are arranged at intervals along the first direction, and the supercooling pipe group and the second branch pipe flow path are arranged at intervals along a second direction; The first main pipe flow path and the supercooling pipe set are positioned on the same side of the first branch pipe flow path and the second branch pipe flow path, the first main pipe flow path and the first branch pipe flow path are correspondingly arranged, and the supercooling pipe set and the second branch pipe flow path are correspondingly arranged; Wherein the first direction and the second direction form an included angle. In an alternative embodiment, the first main pipe flow path includes a plurality of first heat exchange pipes sequentially communicated, the plurality of first heat exchange pipes being sequentially arranged along the first direction, and/or, The first branch pipe flow path comprises a plurality of second heat exchange pipes which are sequentially communicated, the second heat exchange pipes are sequentially arranged along the first direction, and/or, The second branch pipe flow path comprises a plurality of third heat exchange pipes which are sequentially communicated, and the third heat exchange pipes are sequentially arranged along the first direction. In an alternative embodiment, the subcooling tube group comprises a first collecting tube, a first subcooling flow path, a second subcooling flow path and a second collecting tube, wherein the first collecting tube is communicated with the distributor, one end of each of the first subcooling flow path and the second subcooling flow path is communicated with the first collecting tube, and the other end of each of the first subcooling flow path and the second subcooling flow path is communicated with the second collecting tube; wherein, at least part of the first supercooling flow path and the second supercooling flow path are both positioned in the installation space. In an alternative embodiment, the first main pipe flow path, the first supercooling flow path and the second supercooling flow path are sequentially arranged at intervals and are all located on the same side of the first branch pipe flow path and the second branch pipe flow path, the first supercooling flow path and the second supercooling flow path are correspondingly arranged with the second branch pipe flow path, and the first main pipe flow path and the first branch pipe flow path are correspondingly arranged. In an optional embodiment, the first supercooling flow path includes a plurality of first supercooling pipes sequentially communicated, the second supercooling flow path includes a plurality of second supercooling pipes sequentially communicated, and the plurality of first supercooling pipes and the plurality of second supercooling pipes are sequentially arranged. In an alternative embodiment, the fin heat exchanger furt