CN217979910U

CN217979910U - Heat exchanger

Info

Publication number: CN217979910U
Application number: CN202221324278.0U
Authority: CN
Inventors: 王冠军
Original assignee: Zhejiang Dunan Thermal Technology Co Ltd
Current assignee: Zhejiang Dunan Thermal Technology Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-12-06
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a heat exchanger, heat exchanger include radiating fin and drainage subassembly, and the drainage subassembly includes water drainage tank, protruding muscle, and water drainage tank orientation sets up in radiating fin's direction of height, and water drainage tank is connected with radiating fin's face, and protruding muscle orientation sets up in radiating fin's width direction, and one side and the water drainage tank of protruding muscle are connected. The water drainage tank is arranged towards the height direction of the radiating fins and connected with the plate surfaces of the radiating fins, accumulated water on the plate surfaces of the radiating fins is favorably drained, and the heat exchange capacity of the heat exchanger is enhanced. The convex ribs are arranged in the width direction of the radiating fins, so that the structural rigidity and strength of the radiating fins are enhanced, the bending resistance of the surfaces of the radiating fins is improved, and the structural stability is enhanced. One side of protruding muscle is connected with the water drainage tank for ponding on the protruding muscle can flow in the water drainage tank, and is sparse with ponding through the water drainage tank, can further improve radiating fin's drainage water ability when reinforcing radiating fin's structural rigidity intensity, improves the heat exchange efficiency of heat exchanger.

Description

Heat exchanger

Technical Field

The utility model relates to an air conditioner heat transfer technical field especially relates to a heat exchanger.

Background

The heat exchanger main function is to carry out the heat transfer with refrigerating system's working medium and outside air, realizes the heat transfer, generally need set up heat exchange tube and radiating fin and realize the purpose of heat transfer, and the heat exchange tube of heat exchanger is the flat pipe of broad usually, has the problem of easy ponding, influences the heat transfer effect of heat exchanger.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a heat exchanger with stable structure, good drainage effect and high heat exchange efficiency aiming at the problem that the heat exchanger is easy to accumulate water.

A heat exchanger, the heat exchanger comprising:

a heat dissipating fin;

the drainage assembly comprises a drainage groove and a convex rib, the drainage groove faces towards the height direction of the radiating fins, the drainage groove is connected with the plate surfaces of the radiating fins, the convex rib faces towards the width direction of the radiating fins, and one side of the convex rib is connected with the drainage groove.

In one embodiment, the heat dissipation fin is provided with a pipe hole, the drainage assembly further comprises flanges, the flanges are arranged at two ends of the pipe hole and connected with the plate surface of the heat dissipation fin, the flanges are provided with saw teeth, the saw teeth are evenly distributed on the flanges at intervals, and the saw teeth are bent towards the direction away from the pipe hole.

In one embodiment, the serrations are trapezoidal or triangular or rectangular.

In one embodiment, the heat exchanger further comprises a heat exchange structure, and the heat exchange structure is connected with the plate surface of the radiating fin.

In one embodiment, the heat exchange structure is a protruding portion, the protruding portion faces the height direction of the heat dissipation fin, slits are formed in two sides of the protruding portion facing the height direction of the heat dissipation fin, the number of the protruding portion is at least two, and the at least two protruding portions are evenly distributed on the plate surface of the heat dissipation fin at intervals.

In one embodiment, the heat exchange structure is a louver, the louver is arranged towards the height direction of the heat dissipation fins, the number of the louver is at least two, and at least two louvers are uniformly arranged on the plate surfaces of the heat dissipation fins at intervals.

In one embodiment, the heat exchanger further comprises a heat exchange tube connected with the heat dissipation fin.

In one embodiment, the number of the heat exchange tubes is at least two, the number of the radiating fins is at least two, the at least two radiating fins are uniformly arranged at intervals, and the at least two heat exchange tubes are vertically arranged on the radiating fins at intervals.

In one embodiment, the number of the ribs is at least two, every three heat exchange structures form one group, and at least two groups of the heat exchange structures, at least two ribs and at least two heat exchange tubes are uniformly arranged at intervals in the height direction of the heat dissipation fin.

In one embodiment, the cross section of the convex rib is triangular or trapezoidal or rectangular.

Above-mentioned heat exchanger can evacuate the ponding on radiating fin surface through drainage components, avoids radiating fin surface moisture too much, can not evacuate, and influences the heat transfer effect of heat exchanger, and the water drainage tank sets up towards radiating fin's direction of height to be connected with radiating fin's face, be favorable to dredging the ponding of radiating fin's face, strengthened the heat transfer ability of heat exchanger. The convex ribs are arranged towards the width direction of the radiating fins, so that the structural rigidity and the strength of the radiating fins are enhanced, the bending resistance of the surfaces of the radiating fins is improved, and the structural stability is enhanced. One side of protruding muscle with the water drainage tank is connected for ponding on the protruding muscle can flow in the water drainage tank, and then is sparse with ponding through the water drainage tank, can further improve radiating fin's drainage water ability when reinforcing radiating fin's structural rigidity intensity, improves the heat exchange efficiency of heat exchanger. Above-mentioned heat exchanger, stable in structure, drainage are effectual and heat exchange efficiency is high.

Drawings

FIG. 1 is a schematic diagram of a heat exchanger according to an embodiment;

FIG. 2 is a first enlarged partial view of a heat exchanger in one embodiment;

FIG. 3 is a second enlarged partial view of the heat exchanger in one embodiment;

FIG. 4 is a schematic view of a projection of a heat exchanger according to one embodiment;

FIG. 5 is a schematic view of louvers of a heat exchanger in one embodiment.

Description of the reference symbols:

10. a heat dissipating fin; 20. a rib is protruded; 30. a water discharge tank; 40. flanging; 50. a projection; 60. a blind window; 70. a heat exchange tube;

41. saw teeth; 51. and (5) slotting.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The heat exchanger main function is to carry out the heat transfer with refrigerating system's working medium and outside air, realizes the heat transfer, generally need set up heat exchange tube 70 and radiating fin 10 and realize the purpose of heat transfer, and the heat exchange tube 70 of heat exchanger usually is the flat pipe of broad, has the problem of easy ponding, influences the heat transfer effect of heat exchanger. Based on this, it is necessary to provide a heat exchanger with stable structure, good drainage effect and high heat exchange efficiency aiming at the problem that the heat exchanger is easy to accumulate water.

Referring to fig. 1 to 2, fig. 1 is a schematic view of a heat exchanger according to an embodiment of the present invention, and fig. 2 is a first enlarged view of a part of the heat exchanger according to an embodiment. An embodiment of the utility model provides a pair of heat exchanger, include: heat dissipating fins 10; drainage assembly, drainage assembly include water drainage tank 30, protruding muscle 20, and water drainage tank 30 sets up towards the direction of height in radiating fin 10, and water drainage tank 30 is connected with radiating fin 10's face, and protruding muscle 20 sets up towards the width direction in radiating fin 10, and one side and the water drainage tank 30 of protruding muscle 20 are connected. Above-mentioned heat exchanger can evacuate the ponding on radiating fin 10 surface through drainage component, avoids radiating fin 10 surface moisture too much, can not evacuate, and influences the heat transfer effect of heat exchanger, and water drainage tank 30 sets up towards radiating fin 10's direction of height to be connected with radiating fin 10's face, be favorable to dredging the ponding of radiating fin 10's face, strengthened the heat transfer ability of heat exchanger. The ribs 20 are arranged in the width direction of the radiating fins 10, so that the structural rigidity and strength of the radiating fins 10 are enhanced, the bending resistance of the surface of the radiating fins 10 is improved, and the structural stability is enhanced. One side of the convex rib 20 is connected with the drainage groove 30, so that the accumulated water on the convex rib 20 can flow into the drainage groove 30, and then the accumulated water is evacuated through the drainage groove 30, the structural rigidity strength of the radiating fin 10 can be enhanced, the accumulated water discharge capacity of the radiating fin 10 can be further improved, and the heat exchange efficiency of the heat exchanger can be improved. Above-mentioned heat exchanger, stable in structure, drainage effect are good and heat exchange efficiency is high.

In order to further improve the water drainage capability of the heat exchanger, as shown in fig. 2 and fig. 3, fig. 3 is a second partial enlarged view of the heat exchanger in an embodiment, in one embodiment, a tube hole is formed in the heat dissipation fin 10, the water drainage assembly further includes flanges 40, the flanges 40 are disposed at two ends of the tube hole, the flanges 40 are connected to the plate surface of the heat dissipation fin 10, the flanges 40 are provided with saw teeth 41, the saw teeth 41 are uniformly distributed on the flanges 40 at intervals, and the saw teeth 41 are bent in a direction away from the tube hole. The connection stabilizing effect of the heat exchange tube 70 is enhanced through the turnups 40 on the two sides of the tube hole, and the sawteeth 41 bent towards the direction away from the tube hole on the turnups 40 form a flow guide gap between the sawteeth 41, so that accumulated water at the joint of the heat exchange tube 70 and the turnups 40 is favorably evacuated to the surface of the radiating fin 10, the accumulated water is continuously evacuated through the drainage channel 30 connected with the surface of the radiating fin 10, the accumulated water discharging capacity of the heat exchanger is further improved, and the heat exchange effect of the heat exchanger is enhanced.

Optionally, in one of the embodiments, the serrations 41 are trapezoidal or triangular or rectangular.

In order to improve the ventilation and heat exchange capability of the heat exchanger, as shown in fig. 1, 4 and 5, fig. 4 is a schematic view of a protrusion 50 of the heat exchanger in an embodiment, and fig. 5 is a schematic view of a louver 60 of the heat exchanger in an embodiment, in which the heat exchanger further includes a heat exchange structure, and the heat exchange structure is connected to the plate surface of the heat dissipation fin 10. The ventilation capability of the radiating fin 10 is enhanced through the heat exchange structure, and the heat exchange efficiency is improved.

In order to simplify the structure and reduce the volume, as shown in fig. 3, in one embodiment, the heat exchanging structure is a protrusion 50, the protrusion 50 is disposed toward the height direction of the heat dissipating fin 10, slits 51 are disposed on two sides of the protrusion 50 facing the height direction of the heat dissipating fin 10, at least two protrusions 50 are provided, and at least two protrusions 50 are uniformly spaced on the plate surface of the heat dissipating fin 10. Bulge 50 can obtain through stamping forming, has simplified the structure, save material and installation procedure, and the purpose of increasing the ventilation rate, improvement heat transfer ability is realized through the 51 that cracks of bulge 50.

Alternatively, as shown in fig. 5, in one embodiment, the heat exchanging structure is a louver 60, the louver 60 is disposed toward the height direction of the heat dissipating fin 10, the number of the louvers 60 is at least two, and at least two louvers 60 are uniformly spaced on the plate surface of the heat dissipating fin 10. The ventilation direction is changed through the shutter 60, so that the ventilation rate is further improved, and the heat exchange capacity of the heat exchanger is enhanced.

As shown in fig. 1, optionally, in one of the embodiments, the heat exchanger further includes a heat exchange tube 70, and the heat exchange tube 70 is connected to the heat dissipation fin 10. The heat exchange tube 70 is fixedly connected with the tube hole, so that the heat exchange tube 70 is installed. The heat exchange between the working medium and the external environment is realized by the heat exchange tube 70.

In order to improve the heat exchange efficiency of the heat exchanger, in one embodiment, at least two heat exchange tubes 70 are provided, at least two heat dissipation fins 10 are provided, the at least two heat dissipation fins 10 are arranged at regular intervals, and the at least two heat exchange tubes 70 are vertically arranged on the heat dissipation fins 10 at regular intervals. Through the combined action of the plurality of heat exchange tubes 70 and the radiating fins 10, the heat exchange area is increased, and the heat exchange efficiency of the heat exchanger is improved.

Specifically, the plurality of heat dissipation fins 10 have the saw teeth 41 arranged at the uniform intervals at each flange 40 so as to form uniform gaps with the adjacent heat dissipation fins 10, and the lengths of the plurality of saw teeth 41 after being bent in the direction away from the pipe holes are unequal, so that the mounting strength and stability of the plurality of heat dissipation fins 10 are enhanced.

Optionally, in order to further improve the ventilation rate and the heat exchange efficiency and save space, in one embodiment, the number of the ribs 20 is at least two, every three heat exchange structures form one group, and at least two groups of heat exchange structures, at least two ribs 20 and at least two heat exchange tubes 70 are uniformly arranged at intervals in the height direction of the heat dissipation fin 10. Through rationally arranging the heat exchange structure, the convex ribs 20 and the heat exchange tubes 70, the heat exchange efficiency is improved, and meanwhile, the occupied space of the heat exchanger is saved.

Alternatively, in one embodiment, the ribs 20 are triangular or trapezoidal or rectangular in cross-section.

Above-mentioned heat exchanger can evacuate the ponding on radiating fin 10 surface through drainage component, avoids radiating fin 10 surface moisture too much, can not evacuate, and influences the heat transfer effect of heat exchanger, and water drainage tank 30 sets up towards radiating fin 10's direction of height to be connected with radiating fin 10's face, be favorable to dredging the ponding of radiating fin 10's face, strengthened the heat transfer ability of heat exchanger. The ribs 20 are arranged in the width direction of the radiating fins 10, so that the structural rigidity and strength of the radiating fins 10 are enhanced, the bending resistance of the surface of the radiating fins 10 is improved, and the structural stability is enhanced. One side of the convex rib 20 is connected with the drainage groove 30, so that the accumulated water on the convex rib 20 can flow into the drainage groove 30, and then the accumulated water is evacuated through the drainage groove 30, the structural rigidity strength of the radiating fin 10 can be enhanced, the accumulated water discharge capacity of the radiating fin 10 can be further improved, and the heat exchange efficiency of the heat exchanger can be improved. The connection stabilizing effect of the heat exchange tube 70 is enhanced through the turnups 40 on the two sides of the tube hole, and the sawteeth 41 bent towards the direction away from the tube hole on the turnups 40 form a flow guide gap between the sawteeth 41, so that accumulated water at the joint of the heat exchange tube 70 and the turnups 40 is favorably evacuated to the surface of the radiating fin 10, the accumulated water is continuously evacuated through the drainage groove 30 connected with the surface of the radiating fin 10, the accumulated water discharging capacity of the heat exchanger is further improved, and the heat exchange effect of the heat exchanger is enhanced. The ventilation capability of the radiating fin 10 is enhanced through the heat exchange structure, and the heat exchange efficiency is improved. Above-mentioned heat exchanger, stable in structure, drainage are effectual and heat exchange efficiency is high.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A heat exchanger, characterized in that the heat exchanger comprises:

a heat dissipating fin;

2. The heat exchanger according to claim 1, wherein the heat dissipating fins are provided with pipe holes, the drainage assembly further comprises flanges, the flanges are arranged at two ends of the pipe holes and connected with the plate surfaces of the heat dissipating fins, the flanges are provided with saw teeth, the saw teeth are uniformly distributed on the flanges at intervals, and the saw teeth are bent in a direction away from the pipe holes.

3. The heat exchanger of claim 2, wherein the serrations are trapezoidal or triangular or rectangular.

4. The heat exchanger of claim 1, further comprising a heat exchange structure connected to the plate surfaces of the heat dissipating fins.

5. The heat exchanger according to claim 4, wherein the heat exchange structure is a protrusion, the protrusion is disposed toward the height direction of the heat dissipation fin, slits are disposed on two sides of the protrusion facing the height direction of the heat dissipation fin, the number of the protrusions is at least two, and the at least two protrusions are uniformly spaced on the plate surface of the heat dissipation fin.

6. The heat exchanger according to claim 4, wherein the heat exchange structure is at least two louvers arranged in a height direction of the heat dissipating fins, and at least two louvers are arranged on the plate surfaces of the heat dissipating fins at regular intervals.

7. The heat exchanger of claim 4, further comprising a heat exchange tube connected to the heat sink fin.

8. The heat exchanger as claimed in claim 7, wherein the number of the heat exchange tubes is at least two, the number of the heat dissipation fins is at least two, the at least two heat dissipation fins are arranged at regular intervals, and the at least two heat exchange tubes are vertically arranged on the heat dissipation fins at regular intervals.

9. The heat exchanger as claimed in claim 7, wherein the number of the ribs is at least two, every three heat exchange structures are one, and at least two groups of the heat exchange structures, at least two ribs and at least two heat exchange tubes are uniformly spaced towards the height direction of the heat dissipation fin.

10. The heat exchanger of any one of claims 1 to 9, wherein the ribs are triangular or trapezoidal or rectangular in cross-section.