CN112460856A

CN112460856A - Condenser

Info

Publication number: CN112460856A
Application number: CN201910846394.5A
Authority: CN
Inventors: 赵坤坤; 王海娟; 李鹏; 高元锋; 刘站站
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2021-03-09

Abstract

The invention provides a condenser which comprises a condensation pipe and a heat dissipation structure fixed on the condensation pipe, wherein the condensation pipe comprises a plurality of straight pipe sections extending in parallel and a bent pipe section connecting two adjacent straight pipe sections, the condensation pipe and the heat dissipation structure are matched to enable the condenser to be integrally arranged in a hexagonal honeycomb shape, and the straight pipe sections are arranged at the hexagonal vertex angles of the honeycomb structure. The condenser can greatly improve the heat exchange efficiency.

Description

Condenser

Technical Field

The invention relates to a condenser, in particular to a condenser with a better heat dissipation effect.

Background

The heat dissipation structure on the condenser of the existing refrigerator is generally a fin type heat dissipation structure wound along the pipe wall of a condensation pipe, and the fin type heat dissipation structure is distributed from the refrigerant inlet end of the condensation pipe to the refrigerant outlet end in the same way. However, the temperature of the refrigerant at the inlet end of the condenser tube is the highest, and the temperature is gradually reduced in the flowing process, so that the fin heat dissipation structure at the inlet end of the condenser tube cannot absorb excessive heat, the refrigerant can only continuously flow, and the remaining fin heat dissipation structures can continuously absorb heat, and the fin heat dissipation structure at the outlet end of the condenser tube can easily cause waste of the heat dissipation structure because the temperature of the refrigerant is already low and no more heat can be absorbed, and the heat dissipation structure has low heat absorption efficiency and poor heat exchange effect.

In view of the above, there is a need for an improved condenser to solve the above problems.

Disclosure of Invention

The invention aims to provide a condenser with high heat absorption efficiency and better heat dissipation effect.

In order to achieve the purpose, the invention provides a condenser which comprises a condensation pipe and a heat dissipation structure fixed on the condensation pipe, wherein the condensation pipe comprises a plurality of straight pipe sections extending in parallel and a bent pipe section connecting two adjacent straight pipe sections, the condensation pipe and the heat dissipation structure are matched to enable the condenser to be integrally arranged in a hexagonal honeycomb shape, and the straight pipe sections are arranged at the hexagonal vertex angles of the honeycomb structure.

As a further improvement of the present invention, the condensation pipes are arranged in multiple rows, two adjacent rows of condensation pipes are connected and communicated through the bent pipe sections, two adjacent straight pipe sections of each row of condensation pipes are alternately arranged at a first distance and a second distance, the first distance and the second distance of two adjacent rows of condensation pipes are staggered, and the first distance is greater than the second distance.

As a further improvement of the invention, the honeycomb structure is composed of a plurality of regular hexagons, the first pitch is twice the second pitch, and the distance between two adjacent rows of the condensation pipes is the second pitch

And (4) doubling.

As a further improvement of the present invention, the heat dissipation structure includes a plurality of first fins, and the first fins are connected between two adjacent straight tube sections in a flat plate shape.

As a further improvement of the present invention, the plate edge of the first fin is in line contact with the straight tube section.

As a further improvement of the present invention, the first heat sink has a flat plate portion located in the middle and arc portions located at both sides of the flat plate portion, and the arc portions are in surface contact with the straight tube sections.

As a further improvement of the invention, the circular arc parts outside the straight pipe sections are mutually surrounded to form a hollow cylinder.

As a further improvement of the invention, two adjacent first cooling fins are arranged on the straight pipe section at an included angle of 120 degrees with each other.

As a further improvement of the present invention, the heat dissipation structure further includes second fins disposed on two rows of the straight tube sections on the outermost side in the transverse direction, the second fins are provided with a first flat plate, and a second flat plate and a third flat plate bent from both ends of the first flat plate toward the same side, and the second fins and the first fins on the straight tube sections form a hexagon.

As a further improvement of the present invention, the heat dissipation structure further includes third fins disposed on two rows of the straight tube sections on the outermost side in the front-rear direction, the third fins are provided with a fourth flat plate and a fifth flat plate disposed at a certain included angle with each other, and the third fins and the first fins on the straight tube sections form a hexagon.

The invention has the beneficial effects that: the condenser has the advantages that the straight pipe sections of the condenser pipes are provided with the heat dissipation structures, the condenser pipes are matched with the heat dissipation structures, so that the condenser is integrally arranged in a hexagonal honeycomb shape, the sectional area of the hexagonal honeycomb structure is large, more air can circulate, the heat dissipation efficiency is improved, all the condenser pipes are connected together through the heat dissipation structures, heat can be continuously transferred to the surrounding heat dissipation structures during heat absorption, the heat transfer efficiency is greatly improved, and the heat exchange efficiency of the condenser is improved.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the condenser of the present invention.

Fig. 2 is a perspective view of fig. 1 from another perspective.

Fig. 3 is an enlarged view at a in fig. 2.

FIG. 4 is an exploded perspective view of a second embodiment of the condenser of the present invention showing a straight tube section and first fins.

Fig. 5 is an exploded perspective view of fig. 4 from another perspective.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.

Referring to fig. 1 to 3, a first embodiment of a condenser according to the present invention is shown, wherein an X axis is defined as a front-back direction, a Y axis is defined as a left-right direction (also referred to as a transverse direction), and a Z axis is defined as an up-down direction. The condenser includes condenser pipe 1 and is fixed in heat radiation structure 2 on the condenser pipe 1, condenser pipe 1 includes a plurality of parallel extension's straight tube section 11 and connects adjacent two the bend section 12 of straight tube section 11, wherein, condenser pipe 1 with heat radiation structure 2 cooperatees and makes the condenser wholly is the honeycomb of hexagon setting, straight tube section 11 all set up in honeycomb's hexagon apex angle department.

Specifically, referring to fig. 1 and fig. 2, in the present embodiment, the condensation tubes 1 are arranged in a plurality of rows, and two adjacent rows of the condensation tubes 1 are connected and communicated with each other through the bent tube sections 12. For example, the first and second rows of the condenser tubes 1 are connected at the front side by the bend 12, the second and third rows of the condenser tubes 1 are connected at the rear side by the bend 12, and the third and fourth rows of the condenser tubes 1 are connected at the front side by the bend 12, so that the refrigerant flows in the condenser tubes 1 in a "W" shape to and fro until flowing out of the condenser tubes 1.

In this embodiment, two adjacent straight tube sections 11 of each row of the condensation tubes 1 are alternately arranged at a first interval and a second interval, the first interval and the second interval of two adjacent rows of the condensation tubes 1 are staggered front and back, and the first interval is greater than the second interval.

For example, the middle row of the condensation pipes 1 is alternately arranged from front to back with the first distance, then with the second distance, and then with the first distance, so that the left and right rows of the condensation pipes 1 are alternately arranged from front to back with the second distance, then with the first distance, and then with the second distance, and vice versa.

In this embodiment, middle one row condenser pipe 1 the second interval is located two rows about condenser pipe 1 first interval is middle, so can make whole condenser be regular hexagon cellular structure, and the sectional area of hexagon structure is great can make more circulation of air, can improve the radiating efficiency greatly. Of course, in other embodiments, the second pitch of the condensation tubes 1 may not be located right in the middle of the first pitch of the left and right rows of the condensation tubes 1.

In this embodiment, the first distance is twice the second distance, and the distance between two adjacent rows of condensation tubes 1 is the second distance

Multiple such that the honeycomb structure is comprised of a plurality of regular hexagons. The sectional area of the regular hexagon is the largest, namely the air quantity flowing through the regular hexagon is the largest, so that the heat dissipation efficiency can be greatly improved.

Referring to fig. 3, the heat dissipation structure 2 includes a plurality of first fins 21, the first fins 21 are connected between two adjacent straight tube sections 11 in a flat plate shape, in this embodiment, an extending direction of the first fins 21 is the same as the straight tube sections 11, and both the straight tube sections 11 and the first fins 21 extend in an up-down direction, and in other embodiments, the first fins may also extend in a horizontal direction.

In this embodiment, except for the two rows of the straight tube sections 11 at the left and right outermost sides and the two rows of the straight tube sections 11 at the upper and lower outermost sides, three first cooling fins 21 arranged at a certain included angle are arranged on each of the other straight tube sections 11, and two sides of each first cooling fin 21 are respectively connected to the straight tube sections 11. The straight tube sections 11 can be connected together in a honeycomb structure by the first fins 21, the first fins 21 serve as sides of a regular hexagon, and the straight tube sections 11 serve as vertices of the regular hexagon, similar to a structure in which a plurality of benzene rings are connected.

The plate edges on two sides of the first radiating fins 21 are in line contact with the straight pipe section 11, two adjacent first radiating fins 21 are arranged on the straight pipe section 11 at an included angle of 120 degrees, in this embodiment, the first radiating fins 21 and the straight pipe section 11 are fixed together in a welding mode, and three first radiating fins 21 are arranged on the straight pipe section 11 at an included angle of 120 degrees. Therefore, the condenser is integrally in a regular hexagonal honeycomb structure, the air flow can be increased, and the heat dissipation efficiency is improved.

The heat dissipation structure 2 further includes second fins 22 disposed on two rows of the straight tube sections 11 on the outermost side in the transverse direction, the extending direction of the second fins 22 is the same as that of the straight tube sections 11, the second fins 22 are provided with a first flat plate 221, and a second flat plate 222 and a third flat plate 223 bent from both ends of the first flat plate 221 toward the same side, and the second fins 22 and the first fins 21 on the straight tube sections 11 form a hexagon. In this embodiment, the included angles between the second plate 222 and the first plate 221 and between the third plate 223 and the first plate 221 are 120 °, so that the second heat sink 22 and the first heat sink 21 form a regular hexagon.

The heat dissipation structure 2 further comprises two rows of third cooling fins 23 arranged on the outermost side in the front-back direction on the straight tube section 11, the extending direction of the third cooling fins 23 is consistent with that of the straight tube section 11, the third cooling fins 23 are provided with a fourth flat plate 231 and a fifth flat plate 232 which are arranged at a certain included angle, and the third cooling fins 23 and the first cooling fins 21 on the straight tube section 11 form a hexagon. In this embodiment, an included angle between the fourth flat plate 231 and the fifth flat plate 232 is 120 °, so that the third heat dissipation fin 23 and the first heat dissipation fin 21 form a regular hexagon.

In the present embodiment, the height of the first fin 21, the second fin 22, and the third fin 23 in the up-down direction is smaller than the height of the straight tube section 11. Therefore, the heat exchange efficiency of the condenser can be ensured, and the volume of the condenser is reduced as much as possible, so that the volume ratio of the refrigerator is improved.

According to the condenser with the structural design, when a refrigerant flows into the condenser, the high temperature of the refrigerant at the inlet of the condenser can be continuously transmitted to the first radiating fins 21, the second radiating fins 22 and the third radiating fins 23 nearby through the first radiating fins 21, the second radiating fins 22 and the third radiating fins 23, so that the first radiating fins 21, the second radiating fins 22 and the third radiating fins 23 on the straight pipe section 11, to which the refrigerant does not flow, can jointly participate in heat transfer work, the heat transfer efficiency is improved, the air flow is increased through the honeycomb structure, the heat dissipation efficiency is improved, and the heat exchange efficiency of the condenser can be greatly improved through the mutual matching of the first radiating fins 21, the second radiating fins 22 and the third.

Referring to fig. 4 and 5, a second embodiment of the condenser of the present invention is shown, which is different from the first embodiment in that the first fin 21 has a middle flat plate portion 221 and arc portions 24 located at both sides of the flat plate portion 221, and the arc portions 24 are in surface contact with the straight tube section 11.

The circular arc portions 24 outside the straight tube section 11 are connected with each other to form a hollow cylinder, in this embodiment, the straight tube section 11 is connected with three circular arc portions 24 outside and connected with each other to form a hollow cylinder, of course, in other embodiments, three first cooling fins 21 may also be welded on one hollow cylinder, and then the hollow cylinder is fixed outside the straight tube section 11.

The second plate 222 and the third plate 223 of the second fin 22 have arc portions 24 at their plate edges, and the fourth plate 231 and the fifth plate 232 of the third fin 23 also have arc portions 24 at their plate edges. The heat transfer rate is increased by providing the circular arc portions 24 at the plate edges of the first fin 21, the second fin 22, and the third fin 23 to increase the contact area with the straight tube section 11.

In summary, the heat dissipation structure 2 is arranged on the straight pipe section 11 of the condenser pipe 1, the condenser pipe 1 and the heat dissipation structure 2 are matched to enable the whole condenser to be arranged in a hexagonal honeycomb shape, the cross section area of the hexagonal honeycomb structure is large, so that more air can circulate, the heat dissipation efficiency is improved, and the heat dissipation structure 2 connects all the condenser pipes 1 together, so that heat can be continuously transferred to the surrounding heat dissipation structure 2 during heat absorption, the heat transfer efficiency is greatly improved, and the whole heat exchange efficiency of the condenser is greatly improved.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a condenser, includes the condenser pipe and is fixed in heat radiation structure on the condenser pipe, the condenser pipe includes a plurality of parallel extension's straight tube section and connects adjacent two the bend section of straight tube section, its characterized in that: the condenser pipe with heat radiation structure cooperatees and makes the condenser wholly is the honeycomb setting of hexagon, the straight tube section all set up in honeycomb structure's hexagon apex angle department.

2. The condenser of claim 1, wherein: the condenser pipes are arranged in multiple rows, two adjacent rows of the condenser pipes are communicated through the bent pipe sections in a linked mode, a first distance and a second distance are alternately arranged between two adjacent straight pipe sections of each row of the condenser pipes, the first distance and the second distance of the two adjacent rows of the condenser pipes are arranged in a staggered mode, and the first distance is larger than the second distance.

3. A condenser as claimed in claim 2, wherein: the honeycomb structure is composed of a plurality of regular hexagons, the first distance is twice of the second distance, and the distance between two adjacent rows of condensation pipes is the second distance

And (4) doubling.

4. The condenser of claim 1, wherein: the heat dissipation structure comprises a plurality of first cooling fins, and the first cooling fins are connected between two adjacent straight pipe sections in a flat plate shape.

5. The condenser of claim 4, wherein: the plate edge of the first cooling fin is in line contact with the straight pipe section.

6. The condenser of claim 4, wherein: the first radiating fin is provided with a flat plate part in the middle and arc parts on two sides of the flat plate part, and the arc parts are in surface contact with the straight pipe section.

7. The condenser of claim 6, wherein: the circular arc parts outside the straight pipe section are mutually connected and enclosed to form a hollow cylinder.

8. The condenser of claim 4, wherein: two adjacent first cooling fins are arranged on the straight pipe section in an included angle of 120 degrees.

9. The condenser of claim 4, wherein: the heat dissipation structure further comprises two rows of second radiating fins arranged on the outermost sides of the straight pipe sections in the transverse direction, each second radiating fin is provided with a first flat plate, a second flat plate and a third flat plate, the second flat plate and the third flat plate are bent from two ends of the first flat plate to the same side, and the second radiating fins and the first radiating fins on the straight pipe sections form a hexagon.

10. The condenser of claim 4, wherein: the heat dissipation structure further comprises third cooling fins arranged on two rows on the outermost side in the front-back direction and arranged on the straight pipe section, the third cooling fins are provided with a fourth flat plate and a fifth flat plate which are arranged at a certain included angle, and the third cooling fins and the first cooling fins on the straight pipe section form a hexagon.