CN212565983U - Radiating fin, heating body and electric heater - Google Patents

Abstract

The utility model provides a fin and heat-generating body and electric heater, include: the oil pocket structure comprises an upper oil pocket formed at the top of the radiating fin and a lower oil pocket formed at the bottom of the radiating fin; and the heat conduction oil path is communicated with the upper oil pocket and the lower oil pocket, and a through hole is formed in the area between the heat conduction oil path and the edge position of the adjacent radiating fin. The oil pocket structure is heated by the heating rod, heat conduction oil in the oil pocket is subjected to convection circulation along an oil way, heat is radiated out through the radiating fins, through the through holes arranged between the edges of the radiating fins and the heat conduction oil way, the heat conductivity coefficient from the center high-temperature area of the oil way position to the edges of the radiating fins can be changed, part of temperature transfer media is changed into air from metal, the heat conductivity is reduced, the purpose of heat insulation is achieved, the temperature of the edges of the radiating fins is reduced, the radiating fins are prevented from scalding users, meanwhile, the arrangement of the through holes can avoid the heat dissipation surface area of the outer outline of the electric heating oil heater in the prior art, and the problem that the.

Description

Radiating fin, heating body and electric heater

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to fin and heat-generating body and electric heater.

Background

The electric oil heater is a safe and reliable space heater popular in recent years, and the heater is usually provided with a heating rod arranged in a cavity of a radiating fin, and heat conducting oil is injected into an oil path around the cavity. When the power supply is switched on, the heat conducting oil around the heating rod is heated and rises to the upper part of the cavity, and the heat is radiated out through the surface of the radiating fin along the convection circulation of the oil way, so that the space environment is heated. The heat conducting oil cooled by the air descends to the periphery of the heating rod along the oil path to be heated again, and a new circulation is started.

According to the prior art, for the electric oil heater, the surface temperature rise of the edge of the heater body is reduced mainly by expanding the heat dissipation surface area of the heater body and the like, so that the safety standard requirement is met, the user is prevented from being scalded, the occupied area and the quality of the electric oil heater can be increased, the application environment of the electric oil heater is limited, and the universality is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art through increase electric oil heater heat radiating surface area in order to prevent that hot oil heater surface temperature is too high, leads to the defect of electric oil heater area occupation and quality increase to a fin and heat-generating body and electric heater are provided.

The utility model provides a cooling fin, include: the oil pocket structure comprises an upper oil pocket formed at the top of the radiating fin and a lower oil pocket formed at the bottom of the radiating fin;

and the heat conduction oil path is communicated with the upper oil pocket and the lower oil pocket, and a through hole is formed in the area between the heat conduction oil path and the edge position of the adjacent radiating fin.

The through holes are linearly arranged.

The arrangement extending direction of the through holes is parallel to the heat conducting oil path.

The through holes are arranged in a plurality of rows.

The through holes in two adjacent columns are arranged in a staggered mode.

The through-hole is the rectangle setting, and is adjacent along vertical direction the minor face of through-hole is relative and parallel.

The utility model also provides a heat-generating body, include: the radiating fins are arranged side by side;

and the heating rod is simultaneously arranged at the oil outlet position of each radiating fin in a penetrating manner.

The utility model also provides an electric heater, include: the above-mentioned heating element;

the temperature control element is arranged on the heating body;

and the indicator light is arranged on the heating body and electrically connected with the temperature control element.

The electric heater also comprises an auxiliary device which is arranged on the heating body.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a cooling fin, include: the oil pocket structure comprises an upper oil pocket formed at the top of the radiating fin and a lower oil pocket formed at the bottom of the radiating fin; and the heat conduction oil path is communicated with the upper oil pocket and the lower oil pocket, and a through hole is formed in the area between the heat conduction oil path and the edge position of the adjacent radiating fin.

The oil pocket structure is heated by the heating rod, heat conduction oil in the oil pocket is subjected to convection circulation along an oil way, heat is radiated out through the radiating fins, through the through holes arranged between the edges of the radiating fins and the heat conduction oil way, the heat conductivity coefficient from the center high-temperature area of the oil way position to the edges of the radiating fins can be changed, part of temperature transfer media is changed into air from metal, the heat conductivity is reduced, the purpose of heat insulation is achieved, the temperature of the edges of the radiating fins is reduced, the radiating fins are prevented from scalding users, meanwhile, the arrangement of the through holes is achieved, the heat dissipation surface area of the outer contour of the electric heating oil heater in the prior art can be avoided, and the.

2. The utility model provides a heat dissipation fin, it is a plurality of the through-hole is linear arrangement.

The through holes are linearly arranged, so that the through holes are used as auxiliary supports through the intervals of the heat conducting fins among the through holes on the premise of ensuring the heat insulation function, the edge strength of the radiating fin is prevented from being seriously reduced due to the arrangement of a single long hole, the deformation and other conditions are avoided, and the service life of the radiating fin is prolonged.

3. The utility model provides a radiating fin, the through-hole arrange extending direction with the heat conduction oil circuit is parallel.

Because the heat conduction oil circuit is the main source of generating heat of most fin side reason, and the through-hole that is linear arrangement sets up with the oil circuit is parallel, can evenly change the heat transfer of oil circuit to fin edge, avoids appearing local fin high temperature phenomenon because of thermal-insulated inhomogeneous and takes place.

4. The utility model provides a fin, adjacent two the through-hole sets up in a staggered way each other.

The through holes are arranged in multiple rows, the heat conductivity coefficient from a central high-temperature area where the oil way is arranged to the edge of the radiating fin can be further changed, the heat insulation effect is more obvious, and two adjacent rows of through holes are arranged in a staggered mode, so that the metal heat transfer path from the oil way to the edge of the heat conducting fin on the heat conducting fin is changed from a single direction to a bent direction, the distance of a high-efficiency heat transfer path is increased, and auxiliary heat insulation is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a heat sink provided in an embodiment of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the heat sink shown in FIG. 1;

FIG. 3 is a schematic structural view of another embodiment of the heat sink shown in FIG. 1;

fig. 4 is a schematic structural view of another embodiment of the heat sink shown in fig. 1.

Description of reference numerals:

1-cavity hole; 2-oil pocket structure; 3-heat conduction oil path; 4-a through hole; 11-upper chamber part; 12-lower chamber part; 21-oil feeding; 22-oil drain.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1-4, the present embodiment provides a heat sink, which includes a heat-conducting oil path 32, a heat-conducting oil path, and a through hole 4.

The radiating fin is rectangular and flaky, each corner is provided with a fillet and comprises a cavity hole 1, the cavity hole 1 is respectively provided with an upper cavity part 11 and a lower cavity part 12 along the height direction, the lower cavity part 12 is connected with the heating rod, an upper oil pocket 21 is arranged along the peripheral side of the upper cavity part 11, a lower oil pocket 22 is arranged along the peripheral side of the lower cavity part 12, the heat conduction oil path is communicated with the upper oil pocket 21 and the lower oil pocket 22, and heat conduction oil is arranged in the upper oil pocket 21, the lower oil pocket 22 and the heat conduction oil path.

In this embodiment, the heat conduction oil paths are three paths and are arranged along the vertical direction, and the middle parts of the three paths of heat conduction oil paths are communicated. As a changeable implementation mode, the heat conduction oil circuit can be arranged in a bent cross mode or in a non-communicated mode in the middle. As other changeable embodiments, one or more oil pockets may be provided, and the arrangement position of the heat conduction oil path may be adjusted according to the arrangement number and the arrangement position of the oil pockets.

A plurality of through holes 4 are arranged between the edge of the radiating fin and the adjacent heat conduction oil circuit. In the present embodiment, the through-holes 4 have the same structure, and as an alternative embodiment, the through-holes 4 may have different structures.

Heat conduction oil circuit 32 is heated at the heating rod, the conduction oil in the oil pocket takes place the convection current circulation along the oil circuit, and radiate away the heat through the fin, through set up through-hole 4 between fin edge and heat conduction oil circuit, can change the central high temperature region of oil circuit position to the coefficient of heat conduction at fin edge, make partial temperature transmission medium become the air by the metal, reduce the heat conductivity, reach thermal-insulated purpose, reduce the temperature at fin edge, prevent that the oil spit of fland from scalding the user, simultaneously through the setting that sets up through-hole 4, can avoid through the heat radiating surface area who increases electric heat oil spit of fland outline among the prior art, the problem that leads to oil spit of fland area and quality to.

Through-hole 4 self can be continuous structure, for example the slot hole form sets up, also can be discontinuous structure, adopt discontinuous structure in this embodiment, a plurality of through-holes 4 are linear arrangement, as the optimal embodiment, in this embodiment, a plurality of through-holes 4 evenly spaced set up and be linear arrangement, be linear arrangement's through-hole 4, make through-hole 4 under the prerequisite of confirming heat insulation function, heat conduction piece interval through between through-hole 4 is as the auxiliary stay, avoid setting up single slot hole and seriously reduce the marginal strength of fin, avoid the emergence of the condition such as deformation, the life of fin has been improved.

In this embodiment, the through holes 4 are arranged in a vertical direction and extend in parallel with the heat conducting oil path. Because the heat conduction oil circuit is the main source of generating heat of most fin side reason, and the through-hole 4 that is linear arrangement sets up with the oil circuit is parallel, can evenly change the heat transfer of oil circuit to fin edge, avoids appearing local fin high temperature phenomenon because of thermal-insulated inhomogeneous and takes place. As an alternative embodiment, the through-holes 4 may be arranged to extend in a direction parallel to the side edges of the heat sink. As another alternative embodiment, the through holes 4 may be disposed dispersedly between the heat-transfer oil path and the edge of the heat sink.

The number of rows and columns of the through holes 4 is not specifically required, and may be a single row or multiple rows, in this embodiment, the through holes 4 are multiple rows, and the through holes 4 between adjacent rows are arranged in a staggered manner. Through-hole 4 is multiseriate setting, can further change the central high temperature region that the oil circuit put to the heat conductivity coefficient at fin edge, and thermal-insulated effect is more obvious, and simultaneously, through-hole 4 is the setting of staggering for on the heat conduction piece from the oil circuit to the metal heat transfer route at fin edge buckle by one-way change, increased the distance in high-efficient heat conduction route, realized supplementary thermal-insulated. As an alternative embodiment, the through-holes 4 between adjacent rows may also be arranged flush.

Specifically, the shape of the through hole 4 is not specifically required, and in this embodiment, the through hole 4 is rectangular, and the short sides of adjacent through holes 4 in the vertical direction are opposite and parallel. As shown in fig. 3, as an alternative embodiment, the through holes 4 may be circular and arranged in a single row or multiple rows along a line connecting the centers of circles; as shown in fig. 4, the through-holes 4 are arranged in a rectangular shape and have the same inclination angle with the horizontal direction as the alternative embodiment.

Example 2

This embodiment provides a heat-generating body including the heat-radiating fin and the heating rod provided in embodiment 1. The plurality of radiating fins are arranged side by side, and the heating rod is simultaneously arranged at the position of the lower cavity part 12 of each radiating fin in a penetrating way and used for heating the lower oil pocket 22.

Example 3

The present embodiment provides an electric heater, which includes the heating element, the temperature control element, the indicator light, and the auxiliary device provided in embodiment 2. The temperature control element and the indicator light are both arranged on the heating body, and the indicator light is electrically connected with the temperature control element.

The auxiliary devices include, but are not limited to: the clothes hanger is arranged above the heating body and is suitable for drying clothes and the like; the heating body can be supported or driven by the movable support to move. The movable support can be of a folding structure and also can be of an integrally formed structure, when the folding structure is adopted, the space occupation amount is reduced conveniently when the movable support is idle, and the storage efficiency of the electric heater is improved.

The electric heater is provided with a convection device. Because the air among the radiating fins is in a natural convection state, the hot air floats upwards along the radiating fins and is discharged into the space upwards from the top ends of the radiating fins, and the cold air is supplemented from the bottoms of the radiating fins. Can strengthen the natural convection intensity of oil spit of fland outside air through setting up the convection current device for the speed in space is upwards discharged to the hot-air along the fin, has strengthened the air mobility between the fin, has reduced the upper and lower difference in temperature of electric heater, has improved user's use and has experienced.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (9)

1. A heat sink, comprising:

the oil pocket structure (2) comprises an upper oil pocket (21) formed at the top of the radiating fin and a lower oil pocket (22) formed at the bottom of the radiating fin;

and the heat conduction oil path (3) is communicated with the upper oil pocket (21) and the lower oil pocket (22), and a through hole (4) is formed in the area between the heat conduction oil path (3) and the edge position of the adjacent cooling fin.

2. A heat sink according to claim 1, wherein a number of said through holes (4) are arranged linearly.

3. The heat sink as recited in claim 2, wherein a plurality of said through holes (4) are arranged to extend in parallel with said heat conductive oil path (3).

4. A heat sink according to claim 2 or 3, wherein the through holes (4) are arranged in a plurality of rows.

5. A heat sink according to claim 4, wherein two adjacent columns of said through holes (4) are staggered with respect to each other.

6. A fin as claimed in claim 5, characterised in that said through holes (4) are arranged rectangularly, opposite and parallel in the vertical direction to the short sides of adjacent through holes (4).

7. A heat-generating body, characterized by comprising:

a plurality of the fins of any of claims 1-6, a plurality of the fins being disposed side-by-side with one another;

a heating rod is arranged at the position of the oil outlet (22) of each radiating fin in a penetrating mode.

8. An electric heater, comprising:

a heat-generating body described in claim 7;

the temperature control element is arranged on the heating body;

and the indicator light is arranged on the heating body and electrically connected with the temperature control element.

9. The electric heater of claim 8, further comprising an auxiliary device disposed on the heating body.

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