Search

CN-224230823-U - Heat exchanger

CN224230823UCN 224230823 UCN224230823 UCN 224230823UCN-224230823-U

Abstract

A heat exchanger comprises an inner exchanger, an outer exchanger and a baffle plate, wherein the inner exchanger and the outer exchanger are sleeved with each other, the baffle plate is packaged at the rear end of the outer exchanger, the inner exchanger comprises an inner circular ring which is formed into a hollow cylinder shape and surrounds and limits a ventilation pipeline I on the inner side of a hollow cylinder wall, a plurality of inner radiating fins which are distributed and formed on the outer periphery side of the hollow cylinder wall, the outer exchanger comprises an outer circular ring which is formed into a hollow cylinder shape and surrounds and limits a ventilation pipeline II on the inner side of the hollow cylinder wall, a plurality of outer radiating main fins which are distributed and formed on the outer periphery side of the hollow cylinder wall, and a positioning groove which is formed on the inner periphery side of the hollow cylinder wall, wherein the positioning groove is used for being matched with the corresponding inner radiating fins, the outer exchanger is sleeved on the outer side of the inner exchanger, a preset distance is formed between the outer end of the inner exchanger, which stretches into the inner periphery side of the hollow cylinder wall of the outer exchanger, a preset distance is formed correspondingly, a return air area is formed between the outer periphery side of the inner exchanger, and the inner periphery side of the outer exchanger, which is overlapped with the inner periphery side of the outer exchanger. Therefore, the molding difficulty can be reduced, and the cost is saved.

Inventors

  • ZHANG YATONG
  • Lei Zhanying
  • LI XIANFENG
  • LI ZHIPENG
  • YU XIUTING

Assignees

  • 中信渤海铝业(滁州)有限公司
  • 中信渤海铝业控股有限公司

Dates

Publication Date
20260512
Application Date
20250811

Claims (10)

  1. 1. A heat exchanger is characterized by comprising an inner exchanger (100) and an outer exchanger (200) which are sleeved with each other, and a baffle plate (300) which is encapsulated at the rear end (211) of the outer exchanger, wherein the inner exchanger (100) comprises an inner ring (101) which is formed into a hollow cylinder shape and surrounds a ventilation pipeline I (104) on the inner side of the hollow cylinder wall, a plurality of inner radiating fins (105) which are distributed and formed on the outer periphery side of the hollow cylinder wall, an outer ring (206) which is formed into a hollow cylinder shape and surrounds a ventilation pipeline II (201) on the inner side of the hollow cylinder wall, a plurality of outer radiating main fins (204) which are distributed and formed on the outer periphery side of the hollow cylinder wall, and a positioning groove (208) which is formed on the inner periphery side of the hollow cylinder wall, wherein the positioning groove (208) is used for being matched with the corresponding inner radiating fins (105), the outer exchanger (200) is sleeved on the outer side of the inner exchanger (100) so that an air outlet end (107) which extends into the inner side of the outer exchanger (200) is formed on the outer periphery side of the hollow cylinder wall is away from the rear end (201) of the outer exchanger, a preset distance (200) of the inner exchanger cylinder wall is formed on the inner periphery side of the corresponding to the inner periphery side (200), and an inner peripheral region (400) is formed between the outer periphery side of the outer exchanger (200) and the corresponding to be overlapped with each other.
  2. 2. The heat exchanger according to claim 1, wherein the inlet end (106) of the inner exchanger (100) is exposed from the front end of the outer exchanger (200).
  3. 3. A heat exchanger according to claim 1, wherein the inner heat radiating fins (105) are evenly distributed on the outer circumference I (102) of the hollow cylinder wall of the inner ring (101).
  4. 4. The heat exchanger according to claim 1, wherein the outer heat-radiating main fins (204) are uniformly distributed on the outer circumference II (205) of the hollow cylinder wall of the outer exchanger (200).
  5. 5. The heat exchanger according to claim 4, wherein outer heat radiation auxiliary fins (203) are provided on each outer heat radiation main fin (204) at intervals.
  6. 6. The heat exchanger according to claim 5, wherein the outer heat-radiating auxiliary fins (203) are vertically and sequentially spaced apart and parallel to the outer heat-radiating main fins (204).
  7. 7. The heat exchanger according to claim 6, wherein the outer heat radiation auxiliary fin (203) is formed in a chevron-shaped structure on the outer heat radiation main fin (204).
  8. 8. The heat exchanger according to claim 1, wherein two positioning grooves (208) are provided, distributed at the junction of the diameter of the inner circle II (202) of the hollow cylinder wall of the outer exchanger (200) and the inner circle II (202), the positioning grooves (208) being constituted by two parallel positioning walls, namely a positioning wall I (207) and a positioning wall II (209), respectively.
  9. 9. A heat exchanger according to claim 1, characterized in that a partition is provided between the baffle plates (300) spaced from each other and the air outlet end (107) of the inner exchanger (100).
  10. 10. A heat exchanger according to claim 8 or 9, wherein, in addition to the positioning groove (208), a single-sided contact strip is formed on the inner circle II (202) of the hollow cylinder wall of the outer exchanger (200) at a position corresponding to the other inner fin (105) so as to be in corresponding contact with the other inner fin (105).

Description

Heat exchanger Technical Field The utility model relates to the field of aluminum alloy profiles, in particular to a heat exchanger. Background The ground temperature is relatively constant, and only tens of degrees are needed in summer, so that the method has higher utilization value. However, the existing heat exchanger is limited by geographical conditions such as drilling and pipe burying, underground installation and the like, and the existing heat exchanger has the problems of complex structure, difficult forming and high price. Disclosure of utility model In order to solve the above problems, an object of the present utility model is to provide a heat exchanger. According to the utility model, the heat exchanger comprises an inner exchanger, an outer exchanger and a baffle plate, wherein the inner exchanger and the outer exchanger are sleeved with each other, the baffle plate is packaged at the rear end of the outer exchanger, the inner exchanger comprises an inner circular ring which is formed into a hollow cylinder shape and surrounds and limits a ventilation pipeline I on the inner side of the hollow cylinder wall, a plurality of inner radiating fins which are distributed and formed on the outer periphery side of the hollow cylinder wall, the outer exchanger comprises an outer circular ring which is formed into a hollow cylinder shape and surrounds and limits a ventilation pipeline II on the inner side of the hollow cylinder wall, a plurality of outer radiating main fins which are distributed and formed on the outer periphery side of the hollow cylinder wall, and a positioning groove which is formed on the inner periphery side of the hollow cylinder wall, wherein the positioning groove is used for being matched with the corresponding inner radiating fins, the outer exchanger is sleeved on the outer side of the inner exchanger, so that an air outlet end of the inner exchanger extending into the inner cylinder wall of the outer exchanger is a preset distance from the rear end of the outer exchanger, a return air zone is correspondingly formed, and an air outlet zone is formed between the outer periphery side of the inner exchanger and the inner periphery side of the outer exchanger, which are overlapped with each other. Preferably, the inlet end of the inner exchanger emerges from the front end of the outer exchanger. Preferably, the inner heat dissipation fins are uniformly distributed on the outer circle I of the hollow cylinder wall of the inner circular ring. Preferably, the outer heat dissipation main fins are uniformly distributed on the outer circle II of the hollow cylinder wall of the outer exchanger. Preferably, outer heat dissipation auxiliary fins are distributed on each outer heat dissipation main fin at intervals. Preferably, the outer heat dissipation auxiliary fins are vertically and sequentially distributed in parallel with the outer heat dissipation main fins at intervals. Preferably, the outer heat dissipation auxiliary fin is formed in a delta-shaped structure on the outer heat dissipation main fin. Preferably, two positioning grooves are arranged at the joint of the diameter of the inner circle II of the hollow cylinder wall of the outer exchanger and the inner circle II, and each positioning groove is formed by two parallel positioning walls, namely a positioning wall I and a positioning wall II. Preferably, a partition is provided between the baffle plates spaced from each other and the air outlet end of the inner exchanger. Preferably, in addition to the positioning groove, a single-sided contact bar is formed on the inner circle II of the hollow cylinder wall of the outer exchanger at a position corresponding to the other inner heat radiating fins so as to be in corresponding contact with the other inner heat radiating fins. The heat exchanger has the beneficial effects that the heat exchanger is decomposed into two parts and then combined, so that the molding difficulty is reduced, the cost is reduced, the heat radiating fins are divided into the outer heat radiating auxiliary fins and the outer heat radiating main fins, and the heat exchange efficiency is improved. Drawings In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings. Figure 1 is a schematic top view of an internal exchanger, Figure 2 is a schematic top view of an external exchanger, Figure 3 is a schematic view of an assembly from above, Figure 4 is a schematic front view of the assembled structure, Figure 5 is a three-dimensional partial schematic view of an assembled structure, Fig. 6 is a schematic three-dimensional cross-sectional view of an assembled structure. Detailed Description Exemplary embodiments of the present utility model are described in detail below with reference to the attached drawings. The exemplary embodiments described below and il