CN216521933U

CN216521933U - PTC heating assembly for heater

Info

Publication number: CN216521933U
Application number: CN202121735097.2U
Authority: CN
Inventors: 雷刚
Original assignee: Xuanyang Technology Development Jiangsu Co ltd
Current assignee: Xuanyang Technology Development Jiangsu Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-05-13
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a PTC heating component for a warmer, which comprises a plurality of frame bodies, a plurality of radiating fins and a plurality of heating bodies, wherein the radiating fins are arranged in the frame bodies in a zigzag manner, and the plurality of frame bodies and the plurality of heating bodies are distributed at intervals in parallel. The radiating fins and/or the frame body are/is provided with a graphene coating; the utility model provides the PTC heating assembly for the heater, which has uniform heat radiation and good heat radiation effect.

Description

PTC heating assembly for heater

Technical Field

The utility model relates to the technical field of heaters, in particular to a PTC heating assembly for a heater.

Background

The existing PTC heating body adopts PTC heating, heat conduction is realized mainly through air convection, and the defects of low heat efficiency, poor body feeling and the like caused by the fact that the heat conduction efficiency is limited by the convection efficiency, the space distance between the position of the heating body and the position of a person and the like exist.

The Chinese patent with the publication number of CN203190499U discloses a PTC heating element heater, which comprises a heater body, wherein a heating device is arranged in the heater body, the heating device comprises a heating shell consisting of an air outlet plate and a rear cover plate, an installation outer frame is fixed in the heating shell, the PTC heating element is arranged on the installation outer frame through a PTC front frame and a PTC rear shell, the PTC heating element is connected with a power supply circuit board, a power supply switch and a temperature control device, the air outlet plate is provided with a control panel connected with the power supply circuit board, and the PTC heating element is connected with a sudden jump prevention temperature control device; the rear end of the PTC rear shell is provided with a fan through a rotating shaft support, the fan is connected with a rotating fan blade, and the front end of the PTC front frame is provided with an air channel consisting of an air channel left support, an air channel right support, an air channel lower support and an air channel upper support.

However, the prior art is still lacking a PTC heating element for a warmer that has high heat radiation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a PTC heating element for a warmer, which has uniform heat radiation and high heat radiation effect.

The utility model provides a PTC heating component for a warmer, which comprises a plurality of frame bodies, a plurality of cooling fins and a plurality of heating bodies, wherein the cooling fins are arranged in the frame bodies in a zigzag manner, and the frame bodies and the heating bodies are distributed in parallel at intervals. And the heat radiating fins and/or the frame body are/is provided with a graphene coating.

Preferably, the frame body comprises a square frame and a stepped piece which are connected integrally, and a through hole is formed in the stepped piece. The through-holes facilitate connection to external terminals.

Preferably, the thickness of the frame body is 0.8-1.0 mm.

Preferably, the area of the front surface of the square frame is 20-40cm²。

Preferably, the zigzag-shaped radiating fins have an internal stagger angle of 10-15 °

Preferably, the PTC heating assembly for a heater of the present invention further comprises a heat conducting silica gel, wherein the heat conducting silica gel is filled in a gap between the frame and the heating element.

Preferably, the heating element is a ceramic heating element. Further preferably, the heating element includes an MCH ceramic heating element, an HTCC ceramic heating element, and an LTCC ceramic heating element.

Preferably, the radiating fins are made of aluminum alloy.

When current passes through the MCH ceramic heating element or the HTCC ceramic heating element or the LTCC ceramic heating element, the ceramic heating element generates heat. Because the ceramic heating body is directly contacted with the aluminum alloy radiating fin, the heat on the ceramic heating body is transferred to the aluminum alloy radiating fin. Furthermore, as the aluminum alloy radiating fin is covered with the graphene coating, heat on the radiating fin is conducted to the graphene coating. Due to the characteristics of the graphene material, a part of heat is radiated to the surrounding space in an infrared radiation mode, and the other part of heat is conducted to the surrounding air in a thermal convection mode. The heating mode combines the advantages of the convection heating body and the radiation heating body, has certain far infrared radiation while having convection heat conduction, and makes up the defects of low thermal efficiency of the convection heater and small heating range of the radiation heater.

Compared with the prior art, the utility model has the beneficial effects and remarkable progresses that:

1. according to the PTC heating component for the heater, the graphene coating is sprayed on the radiating fins, so that heat radiation is facilitated, and the heat radiation efficiency of the heater is improved.

2. The PTC heating component for the heater is combined with the radiating fins through the frame body, so that on one hand, the installation stability of the radiating fins can be improved, and on the other hand, the heat of the heating body can be conducted through the frame body, so that the radiating fins can be uniformly heated, and the optimal total radiating efficiency can be achieved.

Drawings

To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiment of the present invention will be briefly described below.

It should be apparent that the drawings in the following description are only drawings of some embodiments of the utility model, and that other drawings can be obtained by those skilled in the art without inventive exercise, and the other drawings also belong to the drawings required by the embodiments of the utility model.

Fig. 1 is a schematic structural view of a PTC heating element for a warmer according to an embodiment of the present invention;

fig. 2 is a partial structural schematic view of a PTC heating element for a warmer according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a desktop warmer using a PTC heating element for the warmer according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a vertical heater employing a PTC heating element for the heater according to an embodiment of the present invention;

reference numerals: 1. the heat dissipation plate comprises a heat dissipation plate body, 2, a frame body, 3, a ceramic heating body, 4, heat-conducting silica gel, 5, a first zero line terminal, 6, a first live wire terminal, 7, a second zero line terminal, 8, a second live wire terminal, 1.1, a heat dissipation plate body, 1.2, a graphene coating, 2.1, a frame body, 2.2, a frame body graphene coating, 2.3 and a through hole.

Detailed Description

In order to make the objects, technical solutions, beneficial effects and significant progress of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below.

It is to be understood that all of the described embodiments are merely some, and not all, embodiments of the utility model; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the term "comprises" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

It is to be understood that:

in the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, movably connected, or integrated; either directly or indirectly through intervening media, intangible signal, or even optical, communication between two elements, or an interaction between two elements, unless expressly limited otherwise.

The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be further noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

The technical means of the present invention will be described in detail below with specific examples.

Example 1

As shown in fig. 1-2, a PTC heating element for a heater is shown, which includes a heat sink 1, a frame 2, a ceramic heating element 3, a heat conductive silica gel 4, a first zero line terminal 5, a first live line terminal 6, a second zero line terminal 7, a second live line terminal 8, a heat sink body 1.1, a graphene coating 1.2, a frame body 2.1, a frame graphene coating 2.2, and a through hole 2.3. The heat sink 1 is zigzag-shaped and disposed in the frame 2, and the frame 2 and the heating element 3 are arranged in parallel at a spacing. The heat sink 1 includes a heat sink body 1.1 and a graphene coating 1.2 disposed on the heat sink body 1.1. The frame 2 includes a frame body 2.1 and a graphene coating layer 2.2 disposed on the frame body 2.1. Frame 2 includes square frame and the stairstepping piece that the integral type is connected, is equipped with through-hole 2.3 on the square frame, and first zero line terminal 5, first live wire terminal 6, second zero line terminal 7, second live wire terminal 8 and square frame are integrated into one piece. The heat conduction silica gel 4 is filled in the gap between the frame body 2 and the heating body 3, and the heat conduction silica gel 4 can facilitate heat conduction.

In this embodiment, the heat sink is made of aluminum alloy.

In this embodiment, the frame is made of stainless steel, the frame has a thickness in the range of 0.8-1.0mm and a front surface area in the range of 20-40cm²。

In this embodiment, the frame and the heat sink are combined in such a manner that a zigzag heat sink is provided between the two frames.

In this embodiment, the heating element is an MCH ceramic heating element.

Example 2

As shown in fig. 3, a desktop warmer using a PTC heating element for a warmer is shown, in which the PTC heating element of embodiment 1 of the present invention is directly installed at an air outlet of the desktop warmer. The PTC heating assembly is fixed on a heating body support at the air outlet of the desktop small heater through a hasp structure as a whole.

Compared with the traditional desktop warmer, the desktop warmer adopting the PTC heating component in the embodiment 1 has the advantage that the heat radiation efficiency is improved. The desktop warmer of the embodiment has wide application prospect.

Example 3

As shown in fig. 4, showing a vertical type warmer using a PTC heating element for a warmer, the PTC heating element of embodiment 1 of the present invention is directly mounted on a heating element support of the vertical type warmer. The PTC heating component is fixed in a heating body support at the air outlet of the vertical heater through a hasp structure as a whole.

Compared with the traditional vertical heater, the vertical heater adopting the PTC heating assembly in the embodiment 1 has the advantage that the heat radiation efficiency is improved. The vertical warmer of the embodiment has wide application prospect.

During the description of the above description:

the description of the terms "this embodiment," "an embodiment of the utility model," "as shown at … …," "further improved technical solution," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model; in this specification, the schematic representations of the terms used above are not necessarily for the same embodiment or example, and the particular features, structures, materials, or characteristics described, etc., may be combined or brought together in any suitable manner in any one or more embodiments or examples; moreover, those of ordinary skill in the art may combine or combine features of the various embodiments or examples and features of the various embodiments or examples described herein without creating a contradiction.

Finally, it should be noted that:

the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same;

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 various changes and modifications may be made, and equivalents may be substituted for elements thereof without departing from the scope of the embodiments of the present invention.

Claims

1. The PTC heating assembly for the warmer is characterized by comprising a plurality of frame bodies, a plurality of cooling fins and a plurality of heating bodies, wherein the cooling fins are arranged in the frame bodies in a zigzag mode, the frame bodies and the heating bodies are distributed at intervals in parallel, and graphene coatings are arranged on the cooling fins and/or the frame bodies.

2. A PTC heating element for a warmer according to claim 1, wherein the frame body comprises a square frame and a stepped piece which are integrally connected, and a through hole is provided on the stepped piece.

3. A PTC heating element for a warmer according to claim 1, wherein the frame has a thickness of 0.8-1.0 mm.

4. A PTC heating element for a warmer according to claim 2, wherein the square frame has a surface area of 20-40cm²。

5. A PTC heating element for a warmer according to claim 1, wherein the stagger angle of the zigzag-shaped heat radiating fins is 10 ° -15 °.

6. A PTC heating element for a heater according to claim 1, further comprising a heat-conducting silica gel, wherein the heat-conducting silica gel is filled in a gap between the frame and the heating element.

7. A PTC heating element for a heater as claimed in claim 1, wherein the heating element is a ceramic heating element.

8. A PTC heating element for a warmer according to claim 6, wherein the heater includes an MCH ceramic heater, an HTCC ceramic heater and an LTCC ceramic heater.

9. A PTC heating element for a warmer according to claim 1, wherein the heat sink is made of an aluminum alloy.