CN214370558U

CN214370558U - Radiation convection cooling fin and electric oil heater

Info

Publication number: CN214370558U
Application number: CN202120082799.9U
Authority: CN
Inventors: 姚国宁; 张子松; 毛佳雷; 蒋东泉
Original assignee: Ningbo Singfun Electric Appliance Co Ltd
Current assignee: Ningbo Singfun Electric Appliance Co Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-08
Anticipated expiration: 2031-01-13

Abstract

The utility model provides a radiation convection fin, first fin and second fin including butt joint installation, correspond on first fin and the second fin and be provided with a plurality of oil muscle that to the outside outstanding, the oil muscle sets up along the vertical direction of first fin and second fin, when first fin and second fin butt joint installation, the oil muscle combination forms leads the oil pocket, first fin and second fin both sides correspond and are provided with oil circuit intercommunication end, it is provided with the oil circuit of a intercommunication at radiation convection fin upper end or lower extreme at least to connect the end through the oil circuit, one side perpendicular first fin or second fin is provided with the heat dissipation kink. Compared with the prior art, the radiating effect of the radiating fin is improved, an airflow radiating channel is formed between two adjacent radiating bent parts, the radiating area of a product is increased, meanwhile, a heat radiating surface is formed on one side of the radiating fin, the heat transfer mode of the conventional electric oil heater is changed into the mode of simultaneously realizing convection heat transfer and radiation heat transfer, and the heating speed and the heating effect are improved.

Description

Radiation convection cooling fin and electric oil heater

Technical Field

The utility model relates to an oil spit of fland technical field, in particular to radiation convection fin and electric heat oil spit of fland.

Background

The oil heater generally refers to an electric heater, also called an oil-filled electric heater. The electric heater is filled with novel heat conducting oil, when the power supply is switched on, the heat conducting oil around the electric heating tube is heated, and then heat is dissipated to the surrounding environment along the heat pipe or the radiating fin for heating. At present, most of heat transfer modes of the electric oil heater are convection heat transfer and radiation heat transfer is avoided, so that the electric oil heater is low in heating speed and poor in heating effect, and the use experience of customers is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the problem to prior art exists provides a radiation convection fin and electric oil spit of fland that structure is more reasonable.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a radiation convection fin, is including first fin and the second fin of butt joint installation, correspond on first fin and the second fin and be provided with a plurality of oil muscle that are outstanding to the outside, oil muscle sets up along the vertical direction of first fin and second fin, and works as when first fin and second fin butt joint installation, oil muscle combination forms leads the oil pocket, first fin and second fin both sides correspond and are provided with oil circuit intercommunication end, through oil circuit intercommunication end is provided with the oil circuit of a intercommunication at radiation convection fin upper end or lower extreme at least, the perpendicular to one side of first fin or second fin is provided with the heat dissipation kink.

Preferably, the oil passage communication end is in a hollow truncated cone shape, and the diameter of one side close to the radiating fin is larger than that of the other side far away from the radiating fin.

Preferably, the upper end of the radiation convection cooling fin is provided with a communicated first oil path, and the lower end of the radiation convection cooling fin is provided with a communicated second oil path.

Preferably, the width of the heat dissipation bending part is matched with the distance between adjacent radiation convection cooling fins.

The utility model provides an electric oil heater, includes radiation convection fin, a plurality of radiation convection fin connects gradually the setting through oil circuit intercommunication end, and is adjacent radiation convection fin's heat dissipation kink sets up in same one side, and is adjacent form heat dissipation channel between the heat dissipation kink.

Compared with the prior art, the utility model discloses a beneficial effect of radiation convection fin and electric oil spit of fland: the first radiating fin and the second radiating fin which are installed in a butt joint mode are arranged and connected to form a plurality of oil guide cavities, so that the radiating effect of the radiating fins is improved; set up syntropy heat dissipation kink in fin one side, make to form ascending air current heat dissipation passageway between two adjacent heat dissipation kinks, not only increased product heat radiating area, form the heat radiation face in fin one side simultaneously, change conventional electric oil spit of fland heat transfer mode into and realize convection heat transfer and radiation heat transfer simultaneously, realized the long-time heating of nominal power, characteristics such as tasteless, noiselessness, heat supply area are big, application scope is wide when having the heating.

Drawings

Fig. 1 is a schematic perspective view of the radiation convection heat sink and the heat sink in the electric oil heater of the present invention.

Fig. 2 is a front view of the radiation convection heat sink and the heat sink in the electric oil heater of the present invention.

Fig. 3 is a sectional view taken along the line a-a of fig. 2 of the radiant convection heat sink and the electric oil heater of the present invention.

Fig. 4 is a schematic view of the combined structure of the radiation convection heat sink and the electric oil heater of the present invention.

Reference numerals: 1. a first heat sink; 11. a heat dissipation bent part; 12. oil ribs; 13. an oil guide cavity; 2. a second heat sink; 3. a first oil passage; 31. an oil passage communicating end; 4. and a second oil passage.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, the radiation convection heat sink of the present embodiment includes a first heat sink 1 and a second heat sink 2 which are butt-mounted. Specifically, a plurality of oil ribs 12 protruding outward are correspondingly arranged on the first cooling fin 1 and the second cooling fin 2, and in this embodiment, the oil ribs 12 are three and are all arranged along the vertical direction of the first cooling fin 1 and the vertical direction of the second cooling fin 2. When the first radiating fin 1 and the second radiating fin 2 are installed in a butt joint mode, the oil ribs 12 are combined to form the strip-shaped oil guide cavity 13 for containing heat conduction oil, the heat conduction oil is made to fully circulate on the radiating fins, the temperature rise of the surface of the radiation convection radiating fin is guaranteed, and the requirement of national standards for generating a heat radiation surface is met.

The two sides of the first radiating fin 1 and the second radiating fin 2 are correspondingly provided with oil path communication ends 31, specifically, the oil path communication ends 31 are in a hollow circular truncated cone shape, and the diameter of one side close to the radiating fins is larger than that of one side far away from the radiating fins. The upper end of the radiation convection cooling fin is provided with a communicated first oil way 3 through an oil way communication end 31, and the lower end of the radiation convection cooling fin is provided with a communicated second oil way 4, so that the uniform temperature rise in the whole electric heating oil heater is realized, and the heat dissipation efficiency of the electric heating oil heater is improved. In addition, a rectangular heat dissipation bent part 11 is disposed at a side perpendicular to the first heat sink 1 or the second heat sink 2, and in the present embodiment, the width of the heat dissipation bent part 11 is adapted to the distance between adjacent radiation convection heat sinks.

As shown in fig. 4, in practice, the electric oil heater using the radiation convection heat sink includes a plurality of radiation convection heat sinks, and the plurality of radiation convection heat sinks are sequentially connected and disposed through an oil path connecting end 31, and the heat dissipating bent portions 11 of adjacent radiation convection heat sinks are disposed on the same side, that is, a heat dissipating channel is formed between the adjacent heat dissipating bent portions 11. The heat dissipation bent part 11 can increase the heat dissipation area of the product, so that an upward heat dissipation channel is formed between the radiation convection heat dissipation fins, and meanwhile, a heat radiation surface is formed on one side of the radiation convection heat dissipation fins, so that the heating efficiency of the whole electric oil heater is further improved.

Compared with the prior art, the radiation convection cooling fin and the electric oil heater provided by the utility model are connected to form a plurality of oil guide cavities by arranging the first cooling fin and the second cooling fin which are installed in a butt joint manner, so that the cooling effect of the cooling fin is improved; set up syntropy heat dissipation kink in fin one side, make to form ascending air current heat dissipation passageway between two adjacent heat dissipation kinks, not only increased product heat radiating area, form the heat radiation face in fin one side simultaneously, change conventional electric oil spit of fland heat transfer mode into and realize convection heat transfer and radiation heat transfer simultaneously, realized the long-time heating of nominal power, characteristics such as tasteless, noiselessness, heat supply area are big, application scope is wide when having the heating.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A radiation convection heat sink comprises a first heat sink (1) and a second heat sink (2) which are butt-mounted, it is characterized in that a plurality of oil ribs (12) protruding outwards are correspondingly arranged on the first radiating fin (1) and the second radiating fin (2), the oil ribs (12) are arranged along the vertical direction of the first radiating fin (1) and the second radiating fin (2), and when the first heat radiating fin (1) and the second heat radiating fin (2) are installed in a butt joint mode, the oil ribs (12) are combined to form an oil guide cavity (13), oil passage communicating ends (31) are correspondingly arranged at two sides of the first radiating fin (1) and the second radiating fin (2), at least one communicated oil way is arranged at the upper end or the lower end of the radiation convection radiating fin through the oil way communicating end (31), and a radiation bent part (11) is arranged on one side perpendicular to the first radiating fin (1) or the second radiating fin (2).

2. The radiant convective fin according to claim 1, wherein the oil passage communication end (31) is in the form of a hollow truncated cone, and the diameter of the side close to the fin is larger than the diameter of the side far from the fin.

3. The radiant convective fin according to claim 1, characterized in that it is provided with a first communicating oil channel (3) at its upper end and a second communicating oil channel (4) at its lower end.

4. The radiant convective fin according to claim 1, characterized in that the width of the heat dissipation bend (11) is adapted to the distance between adjacent radiant convective fins.

5. An electric oil heater, characterized in that, comprising the radiation convection heat sink of any one of claims 1-4, a plurality of the radiation convection heat sinks are sequentially connected and arranged through an oil passage communication end (31), the heat dissipation bent parts (11) adjacent to the radiation convection heat sinks are arranged on the same side, and a heat dissipation channel is formed between the adjacent heat dissipation bent parts (11).