CN211019274U

CN211019274U - High heating pipe of security

Info

Publication number: CN211019274U
Application number: CN201922061440.9U
Authority: CN
Inventors: 郑振伟
Original assignee: Ningbo Termite Network Technology Co ltd; Ningbo Dingbo Enterprise Management Partnership LP
Current assignee: Ningbo Termite Network Technology Co ltd; Ningbo Dingbo Enterprise Management Partnership LP
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-14
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a high heating pipe of security, including honeycomb duct and heater strip, the heater strip is the banded parcel of spiral and is in the outside of honeycomb duct, be equipped with the first insulation layer between honeycomb duct and the heater strip, be equipped with the second insulating layer between the clearance of the banded heater strip of spiral, the outside parcel of heater strip and second insulating layer has the third insulating layer. Set up the second insulating layer in the clearance through the heater strip at the heating pipe, wrap up again outside heater strip and second insulating layer and set up the third insulating layer for be between the clearance of the banded heater strip of spiral, and all wrapped up by the insulator on the surface of heater strip, avoid the heater strip because of vibration or deformation mutual contact short circuit, also avoid the heater strip to leak electricity and damage other parts, security and reliability when having improved the heating pipe operation.

Description

High heating pipe of security

Technical Field

The utility model relates to a heating element technical field for the water dispenser, concretely relates to high heating pipe of security.

Background

At present, an instant heating type water dispenser exists in the market, water can be heated for users to drink in a very short time, and a heating pipe with a special structure is frequently used in the water dispenser. This type of heating pipe belongs to the liquid heating element who commonly uses, has the advantage that heating efficiency is high, heats through wrapping up the electric heating layer in the body periphery.

For the safety in utilization of guaranteeing the heating pipe, the design form of one of them heating pipe is, at an electric heating layer overcoat insulating layer, prevents the electric leakage phenomenon, can adopt rubber tube etc. to carry out insulation protection in this kind of design, but the intensity of this kind of insulating layer is lower easy deformation, leads to the fracture of insulating layer very easily, can't effectively protect the heating pipe, and the security is poor.

The existing heating layer is formed by winding heating wires, a gap exists between every two circles of heating wires, short circuit can be caused between the adjacent heating wires, another type of heating pipe is designed in a mode that another type of insulating layer is arranged between the adjacent heating wires, and the insulating layer is also spiral and adapts to the spiral shape of the heating wires. However, although the heating tube designed in this way forms protection between the heating wires, the outer surfaces of the heating wires are not insulated and protected, and the safety performance is poor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the technical scheme of the utility model is, a high heating pipe of security is provided, including honeycomb duct and heater strip, the heater strip is the banded parcel of spiral and is in the outside of honeycomb duct, be equipped with the first insulation layer between honeycomb duct and the heater strip, be equipped with the second insulating layer between the clearance of the banded heater strip of spiral, the outside parcel of heater strip and second insulating layer has the third insulating layer.

The utility model discloses technical scheme's beneficial effect does: set up the second insulating layer in the clearance through the heater strip at the heating pipe, wrap up again outside heater strip and second insulating layer and set up the third insulating layer for be between the clearance of the banded heater strip of spiral, and all wrapped up by the insulator on the surface of heater strip, avoid the heater strip because of vibration or deformation mutual contact short circuit, also avoid the heater strip to leak electricity and damage other parts, security and reliability when having improved the heating pipe operation.

Further, the second insulating layer and the third insulating layer are of an integrated structure.

Furthermore, the third insulating layer is in a cylindrical thin tube shape, and the second insulating layer is positioned on the inner wall of the cylindrical thin tube and extends in a spiral strip shape.

Furthermore, the width of the second insulating layer in the shape of a spiral strip is 0.3-0.7 mm, and the width of a gap between every two adjacent second insulating layers is 1.5-3 mm.

Furthermore, the thickness of the third insulating layer is 0.1-0.25 mm, and the thickness of the second insulating layer is 0.1-0.25 mm.

Further, the second insulating layer and the third insulating layer are made of epoxy resin AB glue.

Furthermore, two ends of the heating wire are respectively hooped on the flow guide pipe by the conducting rings.

Drawings

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

Fig. 1 is a structural diagram of a heating pipe with high safety of the present invention;

FIG. 2 is an exploded view of a heating tube;

fig. 3 is a cross-sectional view of the second insulating layer and the third insulating layer.

Wherein the reference numerals are:

1. the device comprises a flow guide pipe, 2, a heating wire, 3, a first insulating layer, 4, a second insulating layer, 5, a third insulating layer, 6 and a conducting ring.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "top", "bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "fitted" are to be understood broadly, for example, the connection may be a fixed connection, a detachable connection, or an integral connection; 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.

Example 1

Please refer to fig. 1, fig. 2 and fig. 3, the utility model provides a high heating pipe of security, including honeycomb duct 1 and heater strip 2, heater strip 2 is the banding parcel of spiral in the outside of honeycomb duct 1, is equipped with first insulating layer 3 between honeycomb duct 1 and the heater strip 2, is equipped with second insulating layer 4 between the clearance of the banding heater strip 2 of spiral, and the outside parcel of heater strip 2 and second insulating layer 4 has third insulating layer 5.

Specifically, through setting up second insulating layer 4 in the clearance of the heater strip 2 of heating pipe, wrap up again outside heater strip 2 and second insulating layer 4 and set up third insulating layer 5 for be between the clearance of the banded heater strip 2 of spiral, and all wrap up by the insulator on the surface of heater strip 2, avoid heater strip 2 because of vibration or deformation mutual contact short circuit, also avoid heater strip 2 electric leakage to damage other parts, improved security and reliability during the time of the heating pipe operation.

Example 2

As an optimized design of the above embodiment, the second insulating layer 4 and the third insulating layer 5 may be an integrated structure, and in the form of being integrally formed, the third insulating layer 5 is in a cylindrical thin tube shape, and the second insulating layer 4 is located on the inner wall of the cylindrical thin tube and extends in a spiral strip shape, that is, the two insulating layers may be different insulating substances, or may be the same insulating substance that is coated or covered simultaneously.

Example 3

As an optimization choice of the foregoing embodiment, in terms of design size, the width and the gap of the second insulating layer 4 are adapted to the width and the gap of the heating wire 2, and it is required to design the width of the second insulating layer 4 in a spiral strip shape to be 0.3-0.7 mm, and experiments prove that the thickness of the second insulating layer 4 is preferably 0.5mm, the gap width between two adjacent second insulating layers 4 is 1.5-3 mm, and the gap width of the second insulating layer 4 is preferably 2 mm.

Example 4

As an optimization choice of the foregoing embodiment, the thickness of the third insulating layer 5 may be 0.1-0.25 mm in the coverage thickness, and experiments prove that the thickness of the third insulating layer 5 is preferably 0.15mm, the thickness of the second insulating layer 4 is preferably 0.1-0.25 mm, and the thickness of the second insulating layer 4 is preferably 0.15 mm.

Example 5

As one implementation of this embodiment, the second insulating layer 4 and the third insulating layer 5 are both epoxy AB glue. In terms of material and component selection, the second insulating layer 4 and the third insulating layer 5 are preferably high-temperature-resistant epoxy resin AB glue, which is one of epoxy resin glue, is a two-component high-temperature-resistant adhesive mainly based on epoxy resin and amine curing agent, and is mainly suitable for the adhesive bonding, permanent sealing or cold welding bonding of high-temperature-resistant metal, ceramic and the like. Wherein the epoxy resin AB glue comprises the following components in percentage by weight:

the component A comprises: 60 parts of bisphenol A epoxy resin, 25 parts of bisphenol F epoxy resin, 10 parts of hydantoin epoxy resin, 30 parts of aliphatic epoxy resin, 35 parts of epoxy toughening agent and 55 parts of inorganic filler.

And B component: 65 parts of low-molecular polyamide, 12 parts of 4,4' -diamino diphenyl sulfone, 20 parts of 2-ethyl 4-methylimidazole, 70 parts of m-phenylenediamine and 88 parts of inorganic filler.

Wherein the epoxy toughening agent is polyurethane modified epoxy resin, liquid carboxyl nitrile rubber or liquid nitrile 40 rubber. The inorganic filler is one or a mixture of more than two of silicon micropowder, calcium carbonate and fumed silica.

The high-temperature-resistant epoxy resin AB glue prepared by the components in proportion is white viscous liquid before curing, is white hard solid after curing, has a bearing temperature range of-40 to +1200 ℃, a tensile shear strength of × 7 days at 23 ℃, a humidity of not more than 75 percent and not more than 2.0MPA, a tolerance of × 7 days at 23 ℃, a humidity of not more than 75 percent and not more than 6.0MPA, a surface hardness HR of not less than 64 (equivalent to the hardness of an alloy material and higher than the hardness of common steel after quenching), and medium resistance details of various acids except hydrofluoric acid, poor water resistance, no corrosion of alkaline liquid, cold and heat shock resistance of 0-1000 ℃ for multiple times, no shedding, no cracking and no color change, a curing condition of × 7 days at 23 ℃, a humidity of not more than 75 percent, a temperature of 40 ℃ of × 4-6H, and a humidity of not more than 75 percent.

Example 6

As the optimized design of the foregoing embodiment, the two ends of the heating wire 2 are further respectively provided with the conducting rings 6, and the conducting rings 6 tightly clamp the heating wire 2 on the flow guide pipe 1, wherein the conducting rings 6 can fix the heating wire 2 on one hand, and on the other hand, the conducting rings are mainly used for externally connecting a power supply device, in the actual implementation process, one or more conducting rings 6 can be further arranged in the middle of the heating wire 2, so that the flow guide pipe 1 is divided into a plurality of heating sections, and the heating wire can be used.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high heating pipe of security, includes honeycomb duct (1) and heater strip (2), heater strip (2) are the banding parcel of spiral and are in the outside of honeycomb duct (1), be equipped with first insulation layer (3) between honeycomb duct (1) and heater strip (2), be equipped with second insulation layer (4), its characterized in that between the clearance of the banding heater strip of spiral (2): and a third insulating layer (5) is wrapped outside the heating wire (2) and the second insulating layer (4).

2. The heating pipe of claim 1, characterized in that: the second insulating layer (4) and the third insulating layer (5) are of an integrated structure.

3. The heating pipe of claim 2, characterized in that: the third insulating layer (5) is in a cylindrical thin tube shape, and the second insulating layer (4) is located on the inner wall of the cylindrical thin tube and extends in a spiral strip shape.

4. The heating pipe of claim 2, characterized in that: the width of the second insulating layers (4) in the shape of a spiral strip is 0.3-0.7 mm, and the width of a gap between every two adjacent second insulating layers (4) is 1.5-3 mm.

5. The heating pipe of claim 2, characterized in that: the thickness of the third insulating layer (5) is 0.1-0.25 mm, and the thickness of the second insulating layer (4) is 0.1-0.25 mm.

6. The heating pipe of claim 1, characterized in that: the second insulating layer (4) and the third insulating layer (5) are both epoxy resin AB glue.

7. The heating pipe of claim 1, characterized in that: and two ends of the heating wire (2) are respectively hooped on the flow guide pipe (1) by the conducting ring (6).