CN221043256U

CN221043256U - Heating device

Info

Publication number: CN221043256U
Application number: CN202322739005.3U
Authority: CN
Inventors: 徐伟
Original assignee: Shanghai Dianchou Technology Co ltd
Current assignee: Shanghai Dianchou Technology Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-05-28
Anticipated expiration: 2033-10-11

Abstract

The present application relates to a heat generating device including: a heat sink and an electric heating unit; the heat dissipation piece is suitable for being installed in the cavity of the matched pipe body, and is provided with an installation part and an abutting part; the installation part is provided with an installation cavity which is matched with the electric heating unit, and the electric heating unit is positioned in the installation cavity; the abutting part is positioned on the outer side wall of the mounting part and abuts against the inner side wall of the cavity of the matched pipe body. The electric heating unit is installed to the cavity of the matched pipe body through the heat radiating piece, and after the electric heating unit is electrified to generate heat, the heat is conducted to the matched pipe body through the installation part and the abutting part of the heat radiating piece in sequence, so that the matched pipe body can radiate heat outwards. Compared with the existing mode of heating the liquid in the pipe body, the heat dissipation device provided by the application has the advantages that the uniform heat conduction of the matched pipe body is realized by arranging the heat dissipation part, and the risk of liquid leakage is avoided.

Description

Heating device

Technical Field

The application relates to the technical field of electric heating, in particular to a heating device.

Background

The electric heating device is visible everywhere in life, such as electric heating, towel rack, clothes hanger, etc., and utilizes electric energy to heat for heating or drying clothes and towels.

At present, most of such electric heating devices are of metal structures with cavities, liquid in the heating cavities is heated through heating devices to achieve uniform heat conduction, such as patent CN201443811U, and a heat conduction liquid heat exchange electric heater is disclosed.

But this way there is a risk of leakage after a long period of use.

Disclosure of Invention

In view of this, the present application proposes a heating device.

According to an aspect of the present application, there is provided a heat generating device characterized by comprising: a heat sink and an electric heating unit;

The heat dissipation piece is suitable for being mounted in the cavity of the matched pipe body and is provided with a mounting part and an abutting part;

The installation part is provided with an installation cavity which is matched with the electric heating unit, and the electric heating unit is positioned in the installation cavity;

the abutting portion is located on the outer side wall of the mounting portion and is suitable for abutting against the inner side wall of the cavity of the matched pipe body.

In one possible implementation, the electric heating unit is further provided with a PTC ceramic heating element;

The two poles of the PTC ceramic heating element are respectively and electrically connected with external power supply through electrode plates.

In one possible implementation, the electric heating unit is further provided with an insulating layer;

the PTC ceramic heating element is positioned inside the insulating layer.

In one possible implementation, the main body of the heat sink is elongated;

the mounting part is of a tubular structure, more than two abutting parts are arranged circumferentially on the outer side wall of the mounting part.

In one possible implementation, the number of the abutment portions is two, and the two abutment portions are respectively located on opposite sides of the mounting portion.

In one possible implementation, the abutment comprises a heat sink bar;

The main body of the radiating strip is in a strip plate shape, the body length direction of the radiating strip is consistent with the body length direction of the mounting part, and one end of the radiating strip is connected with the mounting part.

In one possible implementation manner, two heat dissipation strips are provided, and the side surfaces of the two heat dissipation strips are opposite to each other.

In one possible implementation, the heat dissipating strip is provided with a guide;

The guide part is positioned at one end of the radiating strip far away from the mounting part.

In one possible implementation, the thickness of the heat dissipating strip near the end of the mounting portion is smaller than the thickness of the heat dissipating strip far from the end of the mounting portion.

The application is suitable for heating the inside of the cavity of the electric heating device such as an electric heater. The electric heating unit is installed to the cavity of the matched pipe body through the heat radiating piece, and after the electric heating unit is electrified to generate heat, the heat is conducted to the matched pipe body through the installation part and the abutting part of the heat radiating piece in sequence, so that the matched pipe body can radiate heat outwards. Compared with the existing mode of heating the liquid in the pipe body, the heat dissipation device provided by the application has the advantages that the uniform heat conduction of the matched pipe body is realized by arranging the heat dissipation part, the risk of liquid leakage is avoided, and in addition, the processing process is more convenient.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features and aspects of the application and together with the description, serve to explain the principles of the application.

Fig. 1 shows an end sectional view of a heat generating device of an embodiment of the present application in an installed state;

FIG. 2 is a schematic diagram showing the structure of a heat generating device according to an embodiment of the present application;

FIG. 3 shows a cross-sectional end view of a heat sink according to an embodiment of the present application in an uninstalled state;

fig. 4 is an end sectional view showing a heat sink in an installed state of an embodiment of the present application;

Fig. 5 shows a cross-sectional end view of a heat sink according to another embodiment of the present application in an uninstalled state.

Detailed Description

Various exemplary embodiments, features and aspects of the application will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood, however, that the terms "center," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

In addition, numerous specific details are set forth in the following description in order to provide a better illustration of the application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, well known methods, procedures, components, and circuits have not been described in detail so as not to obscure the present application.

Fig. 1 shows an end sectional view in a state where a heat generating device according to an embodiment of the present application is mounted, and fig. 2 shows a schematic structural view of the heat generating device according to an embodiment of the present application. As shown in fig. 1 and 2, the heat generating device includes: a heat sink 300 and an electric heating unit 200; the heat sink 300 is adapted to be mounted inside the cavity of the adapted pipe 100, the heat sink 300 being provided with a mounting portion 310 and an abutment portion 320; the mounting part 310 is provided with a mounting cavity which is matched with the electric heating unit 200, and the electric heating unit 200 is positioned in the mounting cavity; the contact portion 320 is located on the outer side wall of the mounting portion 310, and the contact portion 320 contacts the inner side wall of the cavity of the fitting pipe 100.

The application is suitable for heating the inside of the cavity of the electric heating device such as an electric heater, a towel rack, a clothes hanger and the like. The electric heating unit 200 is mounted in the cavity of the adapted pipe body 100 through the heat sink 300, and after the electric heating unit 200 is energized to generate heat, the heat is conducted to the adapted pipe body 100 through the mounting portion 310 and the abutting portion 320 of the heat sink 300 in sequence, so that the adapted pipe body 100 dissipates heat to the outside. Compared with the prior art of heating the liquid in the pipe body, the heat dissipation device provided by the application has the advantages that the heat dissipation piece 300 is arranged to realize uniform heat conduction of the adapted pipe body 100, the risk of liquid leakage is avoided, and the processing is more convenient.

Further, the insulating layer is made of polyimide insulating film, and is formed by wrapping the PTC ceramic heating element 210 with the polyimide insulating film.

Thus, any of the above-described electric heating units 200 is inserted into the mounting portion 310 of the heat sink 300.

Wherein the main body of the heat sink 300 is elongated; the mounting portion 310 of (a) has a tubular structure, and the number of the abutment portions 320 is two or more, and the two or more abutment portions 320 are circumferentially arranged on the outer side wall of the mounting portion 310. By providing two or more contact portions 320 in the circumferential direction, the contact area between the heat sink 300 and the inner wall of the pipe body 100 is increased, and the heat conduction efficiency is improved.

In one possible implementation, the abutment 320 comprises a heat sink bar 321; the main body of the heat dissipation strip 321 is in a strip plate shape, the body length direction of the heat dissipation strip 321 is consistent with the body length direction of the mounting part 310, and one end of the heat dissipation strip 321 is connected with the mounting part 310; the number of the heat dissipation strips 321 is two, and the side surfaces of the two heat dissipation strips 321 are oppositely arranged. The heat sink 300 is abutted against the inner wall of the fitting pipe 100 by the heat sink 321 of the abutting portion 320, and the heat sink 321 is elastically deformed by the extrusion during the installation of the heat sink 300 into the cavity of the fitting pipe 100, so that the side surface of the heat sink 321 abuts against the inner wall of the fitting pipe 100. By arranging the heat dissipation strip 321 capable of elastically deforming, the heat dissipation piece 300 is fully abutted against the inner wall of the matched pipe body 100, and the heat conduction efficiency is improved.

Further, the heat dissipation strip 321 is provided with a guiding portion 322, the guiding portion 322 is located at one end of the heat dissipation strip 321 far away from the mounting portion 310, and the guiding portion 322 is bent towards the mounting portion 310. The guiding portion 322 is configured to provide guiding to the deformation direction of the heat dissipation strip 321 when the heat dissipation strip 321 is elastically deformed to contact with other heat dissipation strips 321 at one end of the heat dissipation strip 321 away from the mounting portion 310 during the mounting process of the heat dissipation piece 300, so as to avoid the deformation failure caused by contact with other heat dissipation strips 321.

Still further, referring to fig. 3, an end of the heat dissipating strip 321 away from the mounting portion 310 is bent to form a guiding portion 322, wherein the bending angle r is 95 ° to 155 °. Preferably, the bending angle r is 135 °. The guiding portion 322 is provided with a preset width H, and the heat dissipation strip 321 is provided with a preset width H, wherein the preset width H is a distance from one end of the heat dissipation strip 321 connected with the mounting portion 310 to the bending position of the guiding portion 322. The preset width H is smaller than the preset width H. Preferably, the preset width H is 1/4 of the preset width H.

In one possible implementation, referring to fig. 3 and 4, two guiding portions 322 on two heat dissipation strips 321 in the same abutting portion 320 are oppositely disposed, when the heat dissipation component 300 is installed, pressure is applied to the two heat dissipation strips 321 of the abutting portion 320 to deform the two heat dissipation strips 321, when the inner diameter of the adapted pipe body 100 adapted by the heat dissipation component 300 is smaller, the two heat dissipation strips 321 deform to a larger extent, so that the two corresponding guiding portions 322 are in contact with each other, at this time, a certain angle exists between the two guiding portions 322, for example, the two heat dissipation strips 321 continue to deform, and the angle between the two guiding portions 322 gradually decreases, so that the two heat dissipation strips 321 continue to deform towards the direction of the installation portion 310 until the inner diameter matches with the inner diameter of the adapted pipe body 100.

As shown in fig. 3, the main body of the installation portion 310 is in a strip plate structure, the installation cavity of the installation portion 310 is matched with the electric heating unit 200, the opposite sides of the installation portion 310 are in arc structures, and the arc opposite sides are convenient for the installation portion 310 to deform, so that the installation portion is in full contact with the electric heating unit 200 in the installation cavity, and the thermal conductivity is improved.

Further, as shown in fig. 3, the mounting portion 310 has a rectangular structure in an end sectional view, and two wide sides of the rectangular structure have outwardly protruding arc shapes. Further, the two side surfaces of the mounting portion 310 corresponding to the two wide sides are easy to deform, so that the two side surfaces of the mounting portion 310 corresponding to the two long sides can be fully abutted against the electric heating unit 200.

In one possible implementation, the number of abutment portions 320 is two, and the two abutment portions 320 are located on opposite sides of the mounting portion 310, respectively. As shown in fig. 4, the two abutting portions 320 are respectively located at two sides corresponding to two long sides of the rectangular structure of the mounting portion 310.

Referring to fig. 1 and 4, when the heat sink 300 is mounted in the cavity of the adapted pipe 100, the abutting portions 320 at two sides of the mounting portion 310 are deformed, and simultaneously, pressure is applied to two opposite sides of the mounting portion 310, so that two arc-shaped side surfaces of the mounting portion 310 are deformed, and further, the other two side surfaces of the mounting portion 310 are pressed against the electric heating unit 200.

In one possible implementation, referring to fig. 5, the thickness of the end of the heat dissipating strip 321 near the mounting portion 310 is smaller than the thickness of the end of the heat dissipating strip 321 far away from the mounting portion 310, where the end of the heat dissipating strip 321 near the mounting portion 310 is a portion a in fig. 5, and by setting the smaller thickness, it is convenient to bend the heat dissipating strip during mounting. Further, the heat dissipation strips 321 are in an arc structure, and the two heat dissipation strips 321 in an arc structure located at the same abutting portion 320 are protruded outwards relatively, so that the two heat dissipation strips 321 are bent inwards.

In one possible implementation, the heat sink 300 is made of plastic material, and before the heat sink 300 is installed inside the cavity of the adapted pipe 100, the heat sink 300 is placed in a forming mold to form a cylinder, and the top ends of the heat dissipating strips 321 on the heat sink 300 are tightly butted together, and the outer diameter of the cylinder matches the inner diameter of the adapted pipe 100.

In one possible implementation, a heat conductive glue 400 is filled between the heat sink 300 and the cavity of the adapted pipe body 100. By arranging the heat-conducting glue 400, gaps between the heat dissipation element 300 and the inner wall of the adapted pipe body 100 are filled, and heat conduction efficiency is further improved.

In one possible implementation, a sealing plug 110 is also provided; the sealing plug 110 is matched with the cavity of the adapted body 100, and the sealing plug 110 is detachably connected with the adapted body 100. By providing the sealing plug 110, the inner wall of the cavity of the adapted pipe body 100 is sealed relatively, so that heat generated by the electric heating unit 200 is reduced and dissipated from both ends of the adapted pipe body 100, and heat dissipated from the side surface of the adapted pipe body 100 is improved.

The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A heat generating device, comprising: a heat sink and an electric heating unit;

2. The heat generating device of claim 1, wherein the electric heating unit is further provided with a PTC ceramic heat generating element;

3. The heat generating device of claim 2, wherein the electric heating unit is further provided with an insulating layer;

the PTC ceramic heating element is positioned inside the insulating layer.

4. The heat generating device of claim 1, wherein the body of the heat sink is elongated;

5. The heat generating device of claim 4, wherein the number of abutment portions is two, the two abutment portions being located on opposite sides of the mounting portion, respectively.

6. The heat generating device of claim 1, wherein the abutment comprises a heat sink bar;

7. The heat generating device as recited in claim 6, wherein the number of the heat dissipating strips is two, and the sides of the two heat dissipating strips are disposed opposite to each other.

8. The heat generating device of claim 6, wherein the heat sink strip is provided with a guide;

9. The heat generating device as recited in claim 6, wherein a thickness of an end of the heat dissipating strip near the mounting portion is smaller than a thickness of an end of the heat dissipating strip far from the mounting portion.