Fin type condenser heat exchange structure

Abstract

The utility model provides a fin type condenser heat exchange structure which comprises a heat exchange pipe and outer fins, the heat exchange pipe is arranged in a condenser through a connecting pipe, the outer side face of the heat exchange pipe is symmetrically connected with the outer fins through installation rings, the inner side face of the heat exchange pipe is fixedly connected with the inner fins, meanwhile, through holes are formed in the surfaces of the two ends of each inner fin, and the through holes are communicated with the through holes. The outer fins are composed of two sets of heat dissipation plates, outer heat dissipation grooves are symmetrically formed in the outer side faces of the heat dissipation plates, and meanwhile inner heat dissipation grooves are symmetrically formed in the inner side faces of the heat dissipation plates. Through cooperation of the outer fins, the mounting ring and the inner fins, the actual contact area of the heat exchange tube and internal fluid can be effectively increased, the actual heat dissipation area of the outer surface of the heat exchange tube can also be effectively increased, and therefore the heat exchange efficiency of the heat exchange tube is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a fin-type condenser heat exchange structure. Background Art

[0002] When the existing heat pump unit is in use, there are two groups of heat exchangers: an evaporator and a condenser. The outdoor heat exchanger serving as the evaporator vents cold air outwards. Due to the low evaporation temperature, the surface temperature of the fins of the heat exchanger also drops accordingly. The indoor heat exchanger serving as the condenser, in order to increase the heat exchange efficiency between the fins and the water pipes, the water pipes are generally arranged in a spiral. After long-term use, it is inconvenient to clean the scale in the spirally arranged water pipes and the rust layer on the surface. If a part of the water pipe is damaged, the entire water pipe needs to be replaced and repaired, and the repair cost is high.

[0003] After searching, a heat exchange structure for a heat pump disclosed in the prior art (application number: CN202220532148.X) is recorded in the text as "including an evaporator and a condenser, the evaporator includes a shell, the condenser includes an outer shell, an inner core is arranged in the shell, the outer surface of the inner core is rotatably provided with fins, a heat exchange tube is arranged in the outer shell, the heat exchange tube includes a connecting pipe and a straight tube, the connecting pipe is a U-shaped tube structure, the straight tube is a cylindrical straight tube structure, and the connecting pipe and the straight tube are threadedly connected."; The heat exchange tube in the heat exchange structure includes a connecting pipe and a straight tube, the connecting pipe is a U-shaped tube structure, the straight tube is a cylindrical straight tube structure, and the connecting pipe and the straight tube are threadedly connected, which enhances the flexibility during use, and when the heat exchange tube is partially damaged due to rust or other reasons, the damaged part can be removed and replaced without replacing the entire heat exchange tube, and the maintenance cost is lower, but the straight tube structure in the heat exchange structure is relatively simple, so that the actual contact area between the straight tube and the fluid in the tube is small, and the heat dissipation effect of the outer side of the straight tube also needs to be enhanced, which leads to the heat exchange efficiency of the straight tube to be improved. Utility Model Content

[0004] In order to overcome the defects of the prior art, a fin-type condenser heat exchange structure is now provided to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, a fin-type condenser heat exchange structure is provided, comprising: a heat exchange tube and an outer fin, the heat exchange tube is arranged in the condenser through a connecting pipe, the outer side surface of the heat exchange tube is symmetrically connected to the outer fin through a mounting ring, and the inner side surface of the heat exchange tube is fixedly connected to the inner fin, and through holes are provided on the surfaces of both ends of the inner fin, the outer fin is composed of two groups of heat dissipation plates, and the outer side surface of the heat dissipation plate is symmetrically provided with outer heat dissipation grooves, and the inner side surface of the heat dissipation plate is symmetrically provided with inner heat dissipation grooves.

[0006] Preferably, the outer arc surface of the heat exchange tube is fixedly connected with multiple sets of mounting rings in parallel and at equal intervals along the axial direction, and the mounting rings are C-shaped as a whole, and the mounting rings are fixed to the outer arc surface of the heat exchange tube to form a circular ring structure.

[0007] Preferably, the outer arc surface of the mounting ring is parallel to and fixedly connected with multiple groups of external fins at equal intervals along the circumferential direction, and the external fins are in an elongated strip structure as a whole, and adjacent external fins on the surfaces of adjacent mounting rings are staggered.

[0008] Preferably, the two groups of heat sinks in the outer fins are both in a [-shaped structure, and the inner part of the outer fins forms a cavity structure through the grooves of the heat sinks, and the cavity inside the outer fins is connected to the end faces at both ends of the outer fins, and the cross-section of the outer fins is in a U-shaped structure.

[0009] Preferably, the outer side surface of the heat sink is provided with multiple groups of external heat sinks at equal intervals in parallel, while the inner side surface of the heat sink is provided with multiple groups of internal heat sinks at equal intervals in parallel, and the external heat sinks and the internal heat sinks are staggered, and the cross-sections of the external heat sinks and the internal heat sinks are both semicircular structures.

[0010] Preferably, the inner fin has a spiral structure, and multiple groups of through holes are evenly opened on the outer surfaces of both ends of the inner fin, and the through holes are connected to the inner cavity of the inner fin, and multiple groups of through holes at the same end of the inner fin are combined to form a C-shaped distribution.

[0011] Preferably, the cross section of the inner fin is V-shaped, and a group of through openings are respectively provided on the end faces at both ends of the inner fin, and the through openings are isosceles triangle structures, and the inner side surfaces of the openings at both ends of the heat exchange tube are symmetrically provided with thread structures.

[0012] Compared with the prior art, the beneficial effect of the utility model is that through the cooperation of the inner fins and the through holes, the actual contact area between the inner side of the heat exchange tube and the fluid can be effectively increased, thereby improving the heat exchange effect between the heat exchange tube and the fluid in the tube; at the same time, through the cooperation of the outer fins, the outer heat dissipation grooves, the inner heat dissipation grooves and the mounting rings, the actual heat dissipation area of ​​the outer side of the heat exchange tube can be effectively increased, thereby enhancing the heat dissipation effect of the heat exchange tube, and further effectively enhancing the overall heat exchange efficiency of the heat exchange tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the disassembly of the condenser and heat exchange tubes in the comparative document.

[0014] Figure 2 It is a front view schematic diagram of the heat exchange tube of an embodiment of the utility model.

[0015] Figure 3 It is a schematic side view of a heat exchange tube according to an embodiment of the utility model.

[0016] Figure 4It is a schematic top view of the heat exchange tube part of an embodiment of the utility model.

[0017] Figure 5 This is a schematic diagram of the external fin structure of an embodiment of the utility model.

[0018] In the figure: 1. heat exchange tube; 2. external fin; 3. external heat sink; 4. mounting ring; 5. internal fin; 6. through hole; 7. heat sink; 8. internal heat sink. DETAILED DESCRIPTION

[0019] Reference Figures 1 to 5 As shown, the utility model provides a fin-type condenser heat exchange structure, including: a heat exchange tube 1 and an outer fin 2, the heat exchange tube 1 is arranged in the condenser through a connecting pipe, the outer side surface of the heat exchange tube 1 is symmetrically connected to the outer fin 2 through a mounting ring 4, and the inner side surface of the heat exchange tube 1 is fixedly connected to the inner fin 5, and through holes 6 are provided on the surfaces of both ends of the inner fin 5, the outer fin 2 is composed of two groups of heat dissipation plates 7, and the outer side surface of the heat dissipation plate 7 is symmetrically provided with outer heat dissipation grooves 3, and the inner side surface of the heat dissipation plate 7 is symmetrically provided with inner heat dissipation grooves 8.

[0020] In this embodiment, the heat exchange tube 1 is first arranged in the condenser through a threaded pipe, and when the fluid flows into the condenser for condensation treatment, when the fluid flows into the heat exchange tube 1, due to the arrangement of the inner fin 5, the fluid will flow in a spiral shape in the heat exchange tube 1, and a part of the fluid will flow into the inner cavity of the inner fin 5 through the through hole and the through-hole, thereby effectively increasing the actual contact area between the inner side surface of the heat exchange tube 1 and the fluid. At the same time, the airflow on the outer side surface of the heat exchange tube 1 can flow into the cavity opened by the outer fin 2 during the flow, thereby increasing the actual contact area between the airflow and the outer fin 2, and the outer side surface and the inner side surface of the outer fin 2 are respectively provided with an outer heat dissipation groove 3 and an inner heat dissipation groove 8, which can further improve the heat dissipation effect of the outer fin 2, and then effectively enhance the overall heat dissipation effect of the outer side surface of the heat exchange tube 1, thereby effectively improving the heat exchange efficiency between the heat exchange tube 1 and the fluid.

[0021] As a preferred embodiment, the outer arc surface of the heat exchange tube 1 is fixedly connected with multiple sets of mounting rings 4 in parallel and at equal intervals along the axial direction, and the mounting rings 4 are C-shaped as a whole. After the mounting rings 4 are fixed to the outer arc surface of the heat exchange tube 1, a circular ring structure is formed.

[0022] In this embodiment, if Figure 3 and Figure 4 The setting of the mounting ring 4 enables the outer side surface of the heat exchange tube 1 to quickly fix multiple groups of external fins 2, thereby helping to improve the production efficiency of the heat exchange tube 1. At the same time, the mounting ring 4 is made of heat-conducting material.

[0023] As a preferred embodiment, the outer arc surface of the mounting ring 4 is parallel to the circumferential direction and fixedly connects multiple groups of external fins 2 at equal intervals, and the external fins 2 are overall in a long strip structure, and adjacent external fins 2 on the surfaces of adjacent mounting rings 4 are staggered.

[0024] In this embodiment, if Figure 3 and Figure 4 The adjacent outer fins 2 on the surfaces of adjacent mounting rings 4 are staggered, which can effectively enhance the heat dissipation effect when the airflow flows on the outer side of the heat exchange tube 1, so that the airflow can fully contact the outer side of the heat exchange tube 1, thereby improving the heat exchange efficiency of the heat exchange tube 1.

[0025] As a preferred embodiment, the two groups of heat sinks 7 in the outer fins 2 are both in a [-shaped structure, and the interior of the outer fins 2 forms a cavity structure through the grooves of the heat sinks 7, and the cavity inside the outer fins 2 is connected to the end faces at both ends of the outer fins 2, and the cross-section of the outer fins 2 is in a U-shaped structure.

[0026] In this embodiment, if Figure 3 and Figure 5 The outer fin 2 is composed of two groups of heat dissipation plates 7, which can effectively reduce the difficulty of opening the outer heat dissipation groove 3 and the inner heat dissipation groove 8 on the surface of the outer fin 2. At the same time, the groove structure of the heat dissipation plate 7 can also increase the overall surface area of ​​the outer fin 2, thereby helping to improve the overall heat dissipation efficiency of the outer fin 2.

[0027] As a preferred embodiment, the outer side surface of the heat sink 7 is provided with multiple groups of outer heat sinks 3 at equal intervals in parallel, while the inner side surface of the heat sink 7 is provided with multiple groups of inner heat sinks 8 at equal intervals in parallel, and the outer heat sinks 3 and the inner heat sinks 8 are staggered, and the cross-sections of the outer heat sinks 3 and the inner heat sinks 8 are both semicircular structures.

[0028] In this embodiment, if Figure 3 and Figure 5 The outer heat dissipation grooves 3 and the inner heat dissipation grooves 8 are staggeredly distributed on the surfaces of both sides of the heat dissipation plate 7, so that the heat dissipation plate 7 can increase its own surface area and reduce the overall weight of the outer fins 2 while having good structural strength, thereby helping to reduce the consumption of raw materials.

[0029] As a preferred embodiment, the inner fin 5 has a spiral structure, and the outer surfaces at both ends of the inner fin 5 are evenly provided with multiple groups of through holes 6, and the through holes 6 are connected to the inner cavity of the inner fin 5, and the multiple groups of through holes 6 at the same end of the inner fin 5 are combined together to form a C-shaped distribution.

[0030] In this embodiment, if Figure 2 and Figure 3The structural setting of the inner fin 5 allows the fluid to flow in a corresponding spiral shape after flowing into the heat exchange tube 1, which can then help extend the residence time of the fluid in the heat exchange tube 1, thereby allowing sufficient heat exchange between the heat exchange tube 1 and the fluid.

[0031] As a preferred embodiment, the cross-section of the inner fin 5 is V-shaped, and a group of through holes are respectively opened on the end faces at both ends of the inner fin 5, and the through holes are isosceles triangle structures. At the same time, the inner side surfaces of the openings at both ends of the heat exchange tube 1 are symmetrically opened with threaded structures.

[0032] In this embodiment, if Figure 2 and Figure 3 The through openings opened on the end faces of the inner fins 5 cooperate with the through holes 6, so that when the fluid flows into the heat exchange tube 1, a part of the fluid will flow in the inner cavity of the inner fins 5, thereby helping to increase the actual contact area between the fluid and the heat exchange tube 1, and further helping to enhance the overall heat exchange efficiency of the heat exchange tube 1.

[0033] The fin-type condenser heat exchange structure of the utility model can effectively increase the actual contact area between the heat exchange tube 1 and the internal fluid, and can also effectively increase the actual heat dissipation area of ​​the outer surface of the heat exchange tube 1 through the cooperation of the outer fin 2, the mounting ring 4 and the inner fin 5, thereby effectively improving the heat exchange efficiency of the heat exchange tube 1, and further can assist in enhancing the condensation effect of the condenser; and through the cooperation of the connecting pipe, the heat exchange tube 1 can also be conveniently loaded and unloaded in the condenser.

Claims

1. A finned condenser heat exchange structure, comprising: A heat exchange tube (1) and an outer fin (2), wherein the heat exchange tube (1) is arranged in a condenser through a connecting pipe, and is characterized in that: the outer side surface of the heat exchange tube (1) is symmetrically connected to the outer fin (2) through a mounting ring (4), and the inner side surface of the heat exchange tube (1) is fixedly connected to the inner fin (5), and through holes (6) are provided on the surfaces of both ends of the inner fin (5), and the outer fin (2) is composed of two groups of heat dissipation plates (7), and the outer side surface of the heat dissipation plate (7) is symmetrically provided with outer heat dissipation grooves (3), and the inner side surface of the heat dissipation plate (7) is symmetrically provided with inner heat dissipation grooves (8).

2. The finned condenser heat exchange structure according to claim 1, characterized in that: The outer arc surface of the heat exchange tube (1) is fixedly connected to a plurality of groups of mounting rings (4) in parallel and at equal intervals along the axial direction, and the mounting rings (4) are in a C-shaped structure as a whole. The mounting rings (4) are fixed to the outer arc surface of the heat exchange tube (1) to form a circular ring structure.

3. The finned condenser heat exchange structure according to claim 1, characterized in that: The outer arc surface of the mounting ring (4) is parallel to the circumferential direction and fixedly connected with multiple groups of external fins (2) at equal intervals, and the external fins (2) are in a long strip structure as a whole, and adjacent external fins (2) on the surfaces of adjacent mounting rings (4) are staggered.

4. The finned condenser heat exchange structure according to claim 1, characterized in that: The two groups of heat sinks (7) in the outer fins (2) are both in a [-shaped structure, and the interior of the outer fins (2) forms a cavity structure through the grooves of the heat sinks (7), and the cavity inside the outer fins (2) is connected to the end surfaces at both ends of the outer fins (2), and the cross-section of the outer fins (2) is in a U-shaped structure.

5. The finned condenser heat exchange structure according to claim 1, characterized in that: The outer side surface of the heat dissipation plate (7) is provided with a plurality of groups of external heat dissipation grooves (3) at equal intervals in parallel, and the inner side surface of the heat dissipation plate (7) is provided with a plurality of groups of internal heat dissipation grooves (8) at equal intervals in parallel, and the external heat dissipation grooves (3) and the internal heat dissipation grooves (8) are staggered in distribution, and the cross-sections of the external heat dissipation grooves (3) and the internal heat dissipation grooves (8) are both semicircular structures.

6. The finned condenser heat exchange structure according to claim 1, characterized in that: The inner fin (5) has a spiral structure, and the outer surfaces of both ends of the inner fin (5) are evenly provided with multiple groups of through holes (6), and the through holes (6) are connected to the inner cavity of the inner fin (5), and the multiple groups of through holes (6) at the same end of the inner fin (5) are combined together to form a C-shaped distribution.

7. The finned condenser heat exchange structure according to claim 1, characterized in that: The cross section of the inner fin (5) is V-shaped, and a group of through openings are respectively provided on the end faces at both ends of the inner fin (5), and the through openings are in an isosceles triangle structure. At the same time, the inner side faces of the openings at both ends of the heat exchange tube (1) are symmetrically provided with thread structures.

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