CN217844079U

CN217844079U - Heat radiation assembly and electric oil heater

Info

Publication number: CN217844079U
Application number: CN202220957733.4U
Authority: CN
Inventors: 白相星; 王霄鹏; 韩亮亮; 李静; 马猛
Original assignee: Gree Electric Appliances Inc of Zhuhai; Gree Shijiazhuang Small Home Appliances Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Gree Shijiazhuang Small Home Appliances Co Ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-18
Anticipated expiration: 2032-04-24

Abstract

The utility model provides a radiator unit and electric oil spit of fland belongs to the heating installation field, and this radiator unit includes fixed connection's first fin and second fin, and first fin sets up with the second fin relatively. A plurality of medium channels for conducting heat-conducting media are arranged between the first radiating fin and the second radiating fin, a plurality of temperature-equalizing grooves for radiating heat are also arranged between the first radiating fin and the second radiating fin, the temperature-equalizing grooves and the medium channels are arranged at intervals, and the temperature-equalizing grooves penetrate through the first radiating fin and the second radiating fin. The heat dissipation assembly is large in heat exchange area with air, good in heat dissipation effect and used for the electric heating oil heater, and the heating effect of the electric heating oil heater can be improved.

Description

Heat radiation assembly and electric oil heater

Technical Field

The utility model relates to a heating installation field especially relates to a radiator unit and electric oil spit of fland.

Background

The core component of the existing electric oil heater is an oil heater body, which is composed of a plurality of radiating fin components, an electric heating tube component, a sealing component and heat-conducting oil. Wherein, the radiating fin component is formed by mutually attaching two radiating fins with independent sheet structures. When the existing heat sink assembly is used, the temperature of heat conducting oil is concentrated on an oil circuit of the heat sink, so that the temperature of the heat sink rises too fast and easily exceeds a temperature limit range, users are easily scalded, and certain potential safety hazards exist. If the heating power of the heating assembly is reduced in order to delay the temperature rise of the heat sink, the heating effect of the heat sink assembly is affected. Therefore, the radiating fin with the advantages of fast heat dissipation and good air heat exchange effect is designed, and the radiating fin has important significance for reducing the potential safety hazard of the electric oil heater and improving the heating effect of the electric oil heater.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the correlation technique, one of the objects of the utility model is to provide a radiator unit, this radiator unit is big with air heat transfer area, and the radiating effect is good for can improve the heating effect that heats of electric oil spit of fland on the electric oil spit of fland.

A heat dissipation assembly comprises a first heat dissipation sheet and a second heat dissipation sheet which are fixedly connected, wherein the first heat dissipation sheet and the second heat dissipation sheet are arranged oppositely; the heat dissipation structure is characterized in that a plurality of medium channels used for conducting heat-conducting media are arranged between the first radiating fin and the second radiating fin, a plurality of temperature-equalizing air grooves used for radiating are further arranged between the first radiating fin and the second radiating fin, the temperature-equalizing air grooves are arranged at intervals with the medium channels, and the temperature-equalizing air grooves penetrate through the first radiating fin and the second radiating fin.

In the preferred embodiment of the present invention, the length direction of the medium passage is the same as the length direction of the first heat sink, and the uniform temperature gas groove is perpendicular to the direction of the surface of the first heat sink and runs through the first heat sink and the second heat sink.

In the preferred technical solution of the present invention, 3 to 5 medium channels are disposed between the first heat sink and the second heat sink, and one side of each medium channel is provided with one temperature equalizing groove; and the temperature equalizing air groove and the medium channel are arranged in parallel on the first radiating fin or the second radiating fin.

The utility model discloses in the technical scheme of the preferred, perpendicular to first fin surface, the orthographic surface area of samming gas groove is greater than medium passageway orthographic surface area, just the ratio of samming gas groove orthographic surface area with medium passageway orthographic surface area is 1.1-1.5.

The utility model discloses in the technical scheme of preferred, first fin edge is equipped with the recess, second fin edge is equipped with the arch, the second fin is fixed back on the first fin, protruding embedding in the recess.

In the preferred embodiment of the present invention, the area of the first heat sink is smaller than the area of the second heat sink.

The utility model discloses in the technical scheme of preferred, follow first fin length direction, first fin with relative both ends are equipped with first storage chamber and second storage chamber respectively on the second fin, medium passageway sets up between first storage chamber and the second storage chamber, first storage chamber and second storage chamber pass through the medium passageway intercommunication.

One of the objects of the utility model is to provide an electric oil heater, electric oil heater is including the oil heater body, the oil heater body from top to bottom the radiator unit concatenate and form.

In the preferred technical solution of the present invention, the oil heater further comprises a heating component, and the heating component is disposed in the first storage chamber.

In a preferred technical solution of the present invention, a cross-sectional area of an end of the medium channel close to the first storage chamber is larger than a cross-sectional area of an end of the medium channel far from the first storage chamber; the cross-sectional area of one end, close to the first storage cavity, of the temperature equalizing gas groove is smaller than that of one end, far away from the first storage cavity, of the temperature equalizing gas groove.

The utility model has the advantages that:

the utility model provides a pair of heat radiation component, this heat radiation component include two fin such as first fin, second fin, are equipped with a plurality of medium passageways that are used for conducting heat-conducting medium between two fin, when being full of high temperature medium in medium passageway, the heat of high temperature medium can be through two fin to external environment transmission heat. And a plurality of temperature equalizing grooves for heat dissipation are arranged between the two radiating fins, the temperature equalizing grooves penetrate through the two radiating fins, and the arrangement of the temperature equalizing grooves can increase the heat exchange area between the two radiating fins and the air, so that the radiating fins and the air exchange heat in all directions, the heat exchange efficiency between the radiating fins and the air is improved, and the temperature rise of the radiating fins is delayed.

The invention also provides the electric heating oil heater which adopts the radiating fin components to form the oil heater body in series, the heat exchange efficiency of the electric heating oil heater and air is high, the heating and warming experience of users can be improved, the temperature of the oil heater body is not easy to rise, and the potential safety hazard that the oil heater body scalds the users due to high temperature can be reduced.

Drawings

Fig. 1 is an exploded view of a heat sink assembly provided by the present invention;

fig. 2 is a schematic structural view of the uniform temperature gas groove on the first heat sink;

fig. 3 is a schematic view of a part of the structure of the temperature equalizing gas groove and the medium channel on the oil heater body;

fig. 4 is a side view of the oil heater body provided by the present invention.

Reference numerals are as follows:

100. a first heat sink; 110. a media channel; 120. a temperature equalizing air tank; 130. a protrusion; 140. a groove; 150. a first storage chamber; 160. a second storage chamber; 200. a second heat sink; 300. and a heating assembly.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first", "second", "third", etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present invention. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1-4, a heat dissipation assembly includes a first heat sink 100 and a second heat sink 200 fixedly connected, wherein the first heat sink 100 and the second heat sink 200 are disposed opposite to each other; a plurality of medium channels 110 for conducting heat-conducting media are arranged between the first radiating fin 100 and the second radiating fin 200, a plurality of temperature-equalizing air grooves 120 for radiating heat are further arranged between the first radiating fin 100 and the second radiating fin 200, the temperature-equalizing air grooves 120 are arranged at intervals with the medium channels 110, and the temperature-equalizing air grooves 120 penetrate through the first radiating fin 100 and the second radiating fin 200.

It should be noted that the first heat sink 100 and the second heat sink 200 may be fixed to each other by welding. In one embodiment, a groove 140 is formed at an edge of the first heat sink 100, a protrusion 130 is formed at an edge of the second heat sink 200, and the protrusion 130 is inserted into the groove 140 after the second heat sink 200 is fixed to the first heat sink 100. When the first heat dissipation assembly and the second heat dissipation assembly are assembled, the protrusion 130 is opposite to the groove 140, the first heat dissipation plate 100 and the second heat dissipation plate 200 are fixed by welding after the protrusion 130 is embedded into the groove 140, and the fixed first heat dissipation plate 100 and the fixed second heat dissipation plate 200 are sealed with each other to prevent a heat conduction medium from flowing out from the connection position of the first heat dissipation plate and the second heat dissipation plate. The first heat sink 100 and the second heat sink 200 may be made of metal and used as a heater body of the electric oil heater to achieve heat dissipation and warming.

The heat dissipation assembly comprises two heat dissipation fins, namely a first heat dissipation fin 100 and a second heat dissipation fin 200, wherein a plurality of medium channels 110 for conducting heat conducting media are arranged between the two heat dissipation fins, and when the medium channels 110 are filled with high-temperature media, the heat of the high-temperature media can be transferred to the external environment through the two heat dissipation fins. And a plurality of temperature-equalizing air grooves 120 for heat dissipation are also arranged between the two radiating fins, the temperature-equalizing air grooves 120 penetrate through the two radiating fins, and the arrangement of the temperature-equalizing air grooves 120 can increase the heat exchange area between the two radiating fins and the air, so that the radiating fins and the air can exchange heat in all directions, the heat exchange efficiency between the radiating fins and the air is improved, and the temperature rise of the radiating fins is delayed.

Further, the length direction of the medium channel 110 is the same as the length direction of the first fin 100, and the uniform temperature gas groove 120 penetrates the first fin 100 and the second fin 200 in a direction perpendicular to the surface of the first fin 100. When the first fin 100 is disposed up and down, the longitudinal direction thereof is the up-down direction, and the longitudinal direction of the medium passage 110 is disposed along the up-down direction of the first fin 100. The length of the first fin 100 in the vertical direction of the temperature equalizing gas groove 120 is the same as the length of the medium passage 110. In a more preferred embodiment, the length of the temperature equalization air groove 120 is the same as the length of the medium channel 110, so that the temperature equalization air groove 120 can effectively transfer the heat in the medium channel 110 to the air.

Further, 3 to 5 medium channels 110 are arranged between the first heat sink 100 and the second heat sink 200, and one side of each medium channel 110 is provided with one temperature equalization air groove 120; the temperature equalizing grooves 120 are formed in parallel with the medium passages 110 in the first fin 100 or the second fin 200. The media channels 110 are arranged in parallel, and the cross-sections of the media channels 110 may be the same or different. The plurality of medium channels 110 are used for facilitating heat exchange between the high-temperature heat-conducting medium and air.

In one embodiment, the surface area of the orthographic projection of the temperature-equalizing gas groove 120 is larger than the surface area of the orthographic projection of the medium channel 110, and the ratio of the surface area of the orthographic projection of the temperature-equalizing gas groove 120 to the surface area of the orthographic projection of the medium channel 110 is 1.1-1.5. The area of the temperature equalizing air groove 120 is larger than that of the medium channel 110, so as to increase the heat dissipation speed of the temperature equalizing air groove 120, ensure that the temperature equalizing air groove 120 can quickly dissipate the medium heat in the medium channel 110 into the air, and avoid the temperature of the heat sink from being quickly raised.

Further, the area of the first heat sink 100 is smaller than that of the second heat sink 200. The areas of the two radiating fins are different, so that the radiating and self structural strength is ensured, meanwhile, the material can be saved, and the manufacturing cost is reduced.

Further, along the length direction of the first heat sink 100, a first storage cavity 150 and a second storage cavity 160 are respectively disposed at two opposite ends of the first heat sink 100 and the second heat sink 200, the medium channel 110 is disposed between the first storage cavity 150 and the second storage cavity 160, and the first storage cavity 150 and the second storage cavity 160 are communicated through the medium channel 110. The first storage cavity 150 and the second storage cavity 160 are used for storing a heat conducting medium, and when the heat sink is used for manufacturing an oil heater body, the first storage cavity 150 and the second storage cavity 160 are an upper oil bag and a lower oil bag of the oil heater body.

The invention also provides an electric oil heater which comprises an oil heater body, wherein the oil heater body is formed by connecting the radiating assemblies in series. The oil heater body of the electric oil heater can be formed by connecting a plurality of radiating assemblies in series, and it should be noted that the temperature-equalizing air groove 120 of the oil heater body formed by connecting in series penetrates through the whole oil heater body along the serial connection direction of the radiating assemblies.

In one embodiment, the oil filled body further comprises a heating assembly 300, and the heating assembly 300 is disposed in the first storage chamber 150. The heating assembly 300 is an electric heating iron for heating the heat transfer medium in the first storage chamber 150. It should be noted that the heating element 300 is disposed in the first storage cavity 150, and is sealed from the first storage cavity 150.

Further, the cross-sectional area of the media passage 110 near the end of the first storage chamber 150 is larger than the cross-sectional area of the media passage at the end remote from the first storage chamber 150; the cross-sectional area of the temperature equalizing gas tank 120 at the end close to the first storage chamber 150 is smaller than that at the end far from the first storage chamber 150. In actual use, the first storage chamber 150 is a lower oil pocket, and the second storage chamber 160 is an upper oil pocket. The cross-sectional area of the lower part of the medium channel 110 is large, and the cross-sectional area of the upper part is small, so that the heat transfer efficiency of the lower part is high, and the heat transfer efficiency of the upper part is low, thereby reducing the temperature of the upper part of the heat sink and enabling the temperature of the whole heat sink to be more uniform. The purpose of the temperature equalization air groove 120 is to make the lower part smaller and the upper part larger is to dissipate the heat of the upper part of the heat sink to the air as soon as possible, thereby improving the heating efficiency.

The electric oil heater that this application will protect is efficient with air heat transfer, can promote user's heating and experience, and oil heater body temperature is difficult to rise moreover, can reduce the oil heater body and scald user's potential safety hazard because of the high temperature.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat dissipation assembly, comprising a first heat sink (100) and a second heat sink (200) fixedly connected, wherein the first heat sink (100) and the second heat sink (200) are disposed opposite to each other; first fin (100) with be equipped with a plurality of medium passageways (110) that are used for conducting heat-conducting medium between second fin (200), first fin (100) with still be equipped with a plurality of samming air tanks (120) that are used for the radiating between second fin (200), samming air tank (120) with medium passageway (110) interval sets up, samming air tank (120) run through first fin (100), second fin (200).

2. The heat dissipation assembly of claim 1, wherein:

the length direction of the medium channel (110) is the same as that of the first radiating fin (100), and the temperature equalizing air groove (120) penetrates through the first radiating fin (100) and the second radiating fin (200) along the direction perpendicular to the surface of the first radiating fin (100).

3. A heat sink assembly as claimed in claim 2, wherein:

3-5 medium channels (110) are arranged between the first radiating fin (100) and the second radiating fin (200), and one side of each medium channel (110) is provided with one temperature equalizing air groove (120); the temperature equalizing grooves (120) are provided in parallel to the medium passages (110) in the first fin (100) or the second fin (200).

4. The heat dissipation assembly of claim 1, wherein:

perpendicular to the surface of the first heat radiating fin (100), the orthographic surface area of the temperature-equalizing gas groove (120) is larger than the orthographic surface area of the medium channel (110), and the ratio of the orthographic surface area of the temperature-equalizing gas groove (120) to the orthographic surface area of the medium channel (110) is 1.1-1.5.

5. The heat dissipation assembly of claim 1, wherein:

the edge of the first radiating fin (100) is provided with a groove (140), the edge of the second radiating fin (200) is provided with a protrusion (130), and after the second radiating fin (200) is fixed on the first radiating fin (100), the protrusion (130) is embedded into the groove (140).

6. The heat dissipation assembly of claim 1, wherein:

the area of the first heat sink (100) is smaller than the area of the second heat sink (200).

7. A heat sink assembly as claimed in any one of claims 1 to 6, wherein:

along the length direction of the first radiating fin (100), a first storage cavity (150) and a second storage cavity (160) are respectively arranged at two opposite ends of the first radiating fin (100) and the second radiating fin (200), the medium channel (110) is arranged between the first storage cavity (150) and the second storage cavity (160), and the first storage cavity (150) is communicated with the second storage cavity (160) through the medium channel (110).

8. The electric oil heater comprises an oil heater body and is characterized in that: the oil heater body is formed by connecting the heat dissipation assemblies in series according to claim 7.

9. The electric oil-filled radiator of claim 8, wherein:

the oil heater body further comprises a heating assembly (300), wherein the heating assembly (300) is arranged in the first storage cavity (150).

10. The electric oil-filled radiator of claim 9, wherein:

the cross-sectional area of the media passage (110) near one end of the first storage chamber (150) is greater than the cross-sectional area of the media passage at the end remote from the first storage chamber (150); the cross-sectional area of the temperature equalizing gas groove (120) at one end close to the first storage cavity (150) is smaller than that at one end far away from the first storage cavity (150).