CN217004939U

CN217004939U - Dual insulation construction of PTC heater

Info

Publication number: CN217004939U
Application number: CN202220686708.7U
Authority: CN
Inventors: 陈强
Original assignee: Dongguan Dalang Hongyuan Trading Firm
Current assignee: Dongguan Dalang Hongyuan Trading Firm
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-19
Anticipated expiration: 2032-03-28

Abstract

A dual insulation structure of a PTC heater comprises a heat conductor, a first heat conducting layer and a second heat conducting layer, wherein the heat conductor is provided with a pipeline for placing a PTC heating element and a liquid channel; the PTC heating element is arranged in the liquid channel, and the PTC heating element is arranged in the liquid channel; the outer surface of the heat conductor is sleeved with heat insulation cotton, and the outer surface of the heat insulation cotton is provided with a heat insulation cover. The double heat preservation structure is beneficial to further improving the heat preservation effect of the PTC heater, improving the heat conversion efficiency and indirectly realizing the functions of saving electricity and protecting environment; meanwhile, the heat emitted from the heat conductor is reduced to enter the working environment of the whole product, and the possibility of aging of external devices caused by the heat is reduced.

Description

Dual insulation construction of PTC heater

Technical Field

The utility model relates to the technical field of PTC heaters, in particular to a double heat-preservation structure of a PTC heater.

Background

PTC heaters (Positive Temperature Coefficient) have been widely used in SPA pools, recreational pools, drinking water dispensers, foot tubs and other household appliances and other industrial products. In the prior art, generally, only a heat insulation shell is used outside a heat conductor to prevent heat from leaking, or only heat insulation cotton is used as a heat insulation material of a product, the heat insulation effects of the heat conductor and the heat insulation shell are not ideal, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a PTC heater dual-insulation structure which has dual-insulation effect and greatly improves the heat conversion efficiency of a heat conductor.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a dual insulation structure of a PTC heater comprises a heat conductor, a first heat conducting layer and a second heat conducting layer, wherein the heat conductor is provided with a pipeline for placing a PTC heating element and a liquid channel; the PTC heating element is arranged in the liquid channel, and the PTC heating element is arranged in the liquid channel; the outer surface of the heat conductor is sleeved with heat insulation cotton, and the outer surface of the heat insulation cotton is provided with a heat insulation cover.

Further, the heat preservation lid includes first heat preservation lid and second heat preservation lid, first heat preservation lid with second heat preservation lid fixed connection is integrative. The combination mode that the heat preservation cover is divided into two is favorable to the equipment of heater.

Furthermore, a plurality of transverse and vertical convex ribs are arranged on the inner surfaces of the first heat-preservation cover and the second heat-preservation cover, and a plurality of heat-preservation grids are formed between the transverse and vertical convex ribs. When two heat preservation covers are fixed outside the heat preservation cotton, the heat preservation check can further prevent that the heat from leaking, reaches better heat preservation effect.

Preferably, the first heat preservation cover and the second heat preservation cover are fixedly connected into a whole through a stud.

Preferably, a plurality of stud holes are formed in the peripheral edge of the first heat-insulating cover, and screw holes matched with the second heat-insulating cover are formed in the second heat-insulating cover.

Preferably, the heat preservation cover is made of a flame retardant material.

Preferably, the material of the heat conductor is an aluminum profile or an aluminum alloy.

A dual insulation structure of a PTC heater comprises a heat conductor, a first heat conducting layer and a second heat conducting layer, wherein the heat conductor is provided with a pipeline for placing a PTC heating element and a liquid channel; the PTC heating element is arranged in the liquid channel, and the PTC heating element is arranged in the liquid channel; the outer surface of the heat conductor is sleeved with heat insulation cotton, and the outer surface of the heat insulation cotton is provided with a heat insulation cover. The double heat preservation structure is beneficial to further improving the heat preservation effect of the PTC heater, improving the heat conversion efficiency and indirectly realizing the functions of saving electricity and protecting the environment; meanwhile, the heat emitted from the heat conductor is reduced to enter the working environment of the whole product, and the possibility of aging of external devices caused by the heat is reduced.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a dual insulation structure of a PTC heater according to the present invention;

fig. 2 is an exploded view of fig. 1.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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 application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

Embodiment, as shown in fig. 1 and 2, a PTC heater dual insulation structure includes a heat conductor 1, the heat conductor 1 having a pipe for placing a PTC heating element and a liquid passage; the liquid heating device also comprises a water inlet 2 and a water outlet 3, wherein liquid enters the liquid channel from the water inlet 2, is heated by the PTC heating element and then flows out from the water outlet 3; the outer surface of the heat conductor 1 is sleeved with heat insulation cotton 4, and the outer surface of the heat insulation cotton 4 is provided with a heat insulation cover.

As a further improvement of this embodiment, the thermal insulation cover includes a first thermal insulation cover 5 and a second thermal insulation cover 6, and the first thermal insulation cover 5 and the second thermal insulation cover 6 are fixedly connected into a whole. The combination mode that the heat preservation cover is divided into two is favorable to the equipment of heater. Specifically, the first heat preservation cover 5 and the second heat preservation cover 6 are fixedly connected into a whole through a stud. The periphery of the first heat-insulating cover 5 is provided with a plurality of stud holes 51, and the second heat-insulating cover 6 is provided with screw holes 61 matched with the stud holes.

As a further improvement of this embodiment, the inner surfaces of the first heat-insulating cover 5 and the second heat-insulating cover 6 are provided with a plurality of vertical and horizontal ribs 56, and a plurality of heat-insulating lattices are formed between the vertical and horizontal ribs. When two heat preservation covers are fixed outside the heat preservation cotton 4, the heat preservation check can further prevent that the heat from leaking, reaches better heat preservation effect.

In this embodiment, the heat-insulating cover is made of a flame-retardant material.

In this embodiment, the heat conductor 1 is made of aluminum profile or aluminum alloy.

The above description is only a preferred embodiment of the present invention, and it should not be understood that the present invention is limited to the details of the embodiment and the range of applications, which can be changed by those skilled in the art according to the spirit of the present invention.

Claims

1. A dual insulation structure of a PTC heater comprises a heat conductor, a first heat conducting layer and a second heat conducting layer, wherein the heat conductor is provided with a pipeline for placing a PTC heating element and a liquid channel; the PTC heating element is arranged in the liquid channel, and the PTC heating element is arranged in the liquid channel; the method is characterized in that: the outer surface of the heat conductor is sleeved with heat insulation cotton, and the outer surface of the heat insulation cotton is provided with a heat insulation cover.

2. A PTC heater dual insulation structure according to claim 1, wherein: the heat preservation cover comprises a first heat preservation cover and a second heat preservation cover, and the first heat preservation cover and the second heat preservation cover are fixedly connected into a whole.

3. A PTC heater dual insulation structure according to claim 2, wherein: the inner surfaces of the first heat-preservation cover and the second heat-preservation cover are provided with a plurality of transverse and vertical convex ribs, and a plurality of heat-preservation grids are formed on the transverse and vertical convex ribs.

4. A PTC heater dual insulation structure according to claim 2, wherein: the first heat-preservation cover and the second heat-preservation cover are fixedly connected into a whole through a stud.

5. A PTC heater dual insulation structure according to claim 4, wherein: the periphery edge of first heat preservation lid is provided with a plurality of stud holes, be provided with the screw rather than the matching on the second heat preservation lid.

6. A PTC heater dual insulation structure according to claim 1, wherein: the heat-insulating cover is made of flame-retardant materials.

7. A PTC heater dual thermal insulation structure according to claim 1, wherein: the heat conductor is made of aluminum profiles or aluminum alloys.